| /*! gridster.js - v0.5.6 - 2014-09-25 |
| * http://gridster.net/ |
| * Copyright (c) 2014 ducksboard; Licensed MIT */ |
| |
| ;(function(root, factory) { |
| |
| if (typeof define === 'function' && define.amd) { |
| define('gridster-coords', ['jquery'], factory); |
| } else { |
| root.GridsterCoords = factory(root.$ || root.jQuery); |
| } |
| |
| }(this, function($) { |
| /** |
| * Creates objects with coordinates (x1, y1, x2, y2, cx, cy, width, height) |
| * to simulate DOM elements on the screen. |
| * Coords is used by Gridster to create a faux grid with any DOM element can |
| * collide. |
| * |
| * @class Coords |
| * @param {HTMLElement|Object} obj The jQuery HTMLElement or a object with: left, |
| * top, width and height properties. |
| * @return {Object} Coords instance. |
| * @constructor |
| */ |
| function Coords(obj) { |
| if (obj[0] && $.isPlainObject(obj[0])) { |
| this.data = obj[0]; |
| }else { |
| this.el = obj; |
| } |
| |
| this.isCoords = true; |
| this.coords = {}; |
| this.init(); |
| return this; |
| } |
| |
| |
| var fn = Coords.prototype; |
| |
| |
| fn.init = function(){ |
| this.set(); |
| this.original_coords = this.get(); |
| }; |
| |
| |
| fn.set = function(update, not_update_offsets) { |
| var el = this.el; |
| |
| if (el && !update) { |
| this.data = el.offset(); |
| this.data.width = el.width(); |
| this.data.height = el.height(); |
| } |
| |
| if (el && update && !not_update_offsets) { |
| var offset = el.offset(); |
| this.data.top = offset.top; |
| this.data.left = offset.left; |
| } |
| |
| var d = this.data; |
| |
| typeof d.left === 'undefined' && (d.left = d.x1); |
| typeof d.top === 'undefined' && (d.top = d.y1); |
| |
| this.coords.x1 = d.left; |
| this.coords.y1 = d.top; |
| this.coords.x2 = d.left + d.width; |
| this.coords.y2 = d.top + d.height; |
| this.coords.cx = d.left + (d.width / 2); |
| this.coords.cy = d.top + (d.height / 2); |
| this.coords.width = d.width; |
| this.coords.height = d.height; |
| this.coords.el = el || false ; |
| |
| return this; |
| }; |
| |
| |
| fn.update = function(data){ |
| if (!data && !this.el) { |
| return this; |
| } |
| |
| if (data) { |
| var new_data = $.extend({}, this.data, data); |
| this.data = new_data; |
| return this.set(true, true); |
| } |
| |
| this.set(true); |
| return this; |
| }; |
| |
| |
| fn.get = function(){ |
| return this.coords; |
| }; |
| |
| fn.destroy = function() { |
| this.el.removeData('coords'); |
| delete this.el; |
| }; |
| |
| //jQuery adapter |
| $.fn.coords = function() { |
| if (this.data('coords') ) { |
| return this.data('coords'); |
| } |
| |
| var ins = new Coords(this, arguments[0]); |
| this.data('coords', ins); |
| return ins; |
| }; |
| |
| return Coords; |
| |
| })); |
| |
| ;(function(root, factory) { |
| |
| if (typeof define === 'function' && define.amd) { |
| define('gridster-collision', ['jquery', 'gridster-coords'], factory); |
| } else { |
| root.GridsterCollision = factory(root.$ || root.jQuery, |
| root.GridsterCoords); |
| } |
| |
| }(this, function($, Coords) { |
| |
| var defaults = { |
| colliders_context: document.body, |
| overlapping_region: 'C' |
| // ,on_overlap: function(collider_data){}, |
| // on_overlap_start : function(collider_data){}, |
| // on_overlap_stop : function(collider_data){} |
| }; |
| |
| |
| /** |
| * Detects collisions between a DOM element against other DOM elements or |
| * Coords objects. |
| * |
| * @class Collision |
| * @uses Coords |
| * @param {HTMLElement} el The jQuery wrapped HTMLElement. |
| * @param {HTMLElement|Array} colliders Can be a jQuery collection |
| * of HTMLElements or an Array of Coords instances. |
| * @param {Object} [options] An Object with all options you want to |
| * overwrite: |
| * @param {String} [options.overlapping_region] Determines when collision |
| * is valid, depending on the overlapped area. Values can be: 'N', 'S', |
| * 'W', 'E', 'C' or 'all'. Default is 'C'. |
| * @param {Function} [options.on_overlap_start] Executes a function the first |
| * time each `collider ` is overlapped. |
| * @param {Function} [options.on_overlap_stop] Executes a function when a |
| * `collider` is no longer collided. |
| * @param {Function} [options.on_overlap] Executes a function when the |
| * mouse is moved during the collision. |
| * @return {Object} Collision instance. |
| * @constructor |
| */ |
| function Collision(el, colliders, options) { |
| this.options = $.extend(defaults, options); |
| this.$element = el; |
| this.last_colliders = []; |
| this.last_colliders_coords = []; |
| this.set_colliders(colliders); |
| |
| this.init(); |
| } |
| |
| Collision.defaults = defaults; |
| |
| var fn = Collision.prototype; |
| |
| |
| fn.init = function() { |
| this.find_collisions(); |
| }; |
| |
| |
| fn.overlaps = function(a, b) { |
| var x = false; |
| var y = false; |
| |
| if ((b.x1 >= a.x1 && b.x1 <= a.x2) || |
| (b.x2 >= a.x1 && b.x2 <= a.x2) || |
| (a.x1 >= b.x1 && a.x2 <= b.x2) |
| ) { x = true; } |
| |
| if ((b.y1 >= a.y1 && b.y1 <= a.y2) || |
| (b.y2 >= a.y1 && b.y2 <= a.y2) || |
| (a.y1 >= b.y1 && a.y2 <= b.y2) |
| ) { y = true; } |
| |
| return (x && y); |
| }; |
| |
| |
| fn.detect_overlapping_region = function(a, b){ |
| var regionX = ''; |
| var regionY = ''; |
| |
| if (a.y1 > b.cy && a.y1 < b.y2) { regionX = 'N'; } |
| if (a.y2 > b.y1 && a.y2 < b.cy) { regionX = 'S'; } |
| if (a.x1 > b.cx && a.x1 < b.x2) { regionY = 'W'; } |
| if (a.x2 > b.x1 && a.x2 < b.cx) { regionY = 'E'; } |
| |
| return (regionX + regionY) || 'C'; |
| }; |
| |
| |
| fn.calculate_overlapped_area_coords = function(a, b){ |
| var x1 = Math.max(a.x1, b.x1); |
| var y1 = Math.max(a.y1, b.y1); |
| var x2 = Math.min(a.x2, b.x2); |
| var y2 = Math.min(a.y2, b.y2); |
| |
| return $({ |
| left: x1, |
| top: y1, |
| width : (x2 - x1), |
| height: (y2 - y1) |
| }).coords().get(); |
| }; |
| |
| |
| fn.calculate_overlapped_area = function(coords){ |
| return (coords.width * coords.height); |
| }; |
| |
| |
| fn.manage_colliders_start_stop = function(new_colliders_coords, start_callback, stop_callback){ |
| var last = this.last_colliders_coords; |
| |
| for (var i = 0, il = last.length; i < il; i++) { |
| if ($.inArray(last[i], new_colliders_coords) === -1) { |
| start_callback.call(this, last[i]); |
| } |
| } |
| |
| for (var j = 0, jl = new_colliders_coords.length; j < jl; j++) { |
| if ($.inArray(new_colliders_coords[j], last) === -1) { |
| stop_callback.call(this, new_colliders_coords[j]); |
| } |
| |
| } |
| }; |
| |
| |
| fn.find_collisions = function(player_data_coords){ |
| var self = this; |
| var overlapping_region = this.options.overlapping_region; |
| var colliders_coords = []; |
| var colliders_data = []; |
| var $colliders = (this.colliders || this.$colliders); |
| var count = $colliders.length; |
| var player_coords = self.$element.coords() |
| .update(player_data_coords || false).get(); |
| |
| while(count--){ |
| var $collider = self.$colliders ? |
| $($colliders[count]) : $colliders[count]; |
| var $collider_coords_ins = ($collider.isCoords) ? |
| $collider : $collider.coords(); |
| var collider_coords = $collider_coords_ins.get(); |
| var overlaps = self.overlaps(player_coords, collider_coords); |
| |
| if (!overlaps) { |
| continue; |
| } |
| |
| var region = self.detect_overlapping_region( |
| player_coords, collider_coords); |
| |
| //todo: make this an option |
| if (region === overlapping_region || overlapping_region === 'all') { |
| |
| var area_coords = self.calculate_overlapped_area_coords( |
| player_coords, collider_coords); |
| var area = self.calculate_overlapped_area(area_coords); |
| var collider_data = { |
| area: area, |
| area_coords : area_coords, |
| region: region, |
| coords: collider_coords, |
| player_coords: player_coords, |
| el: $collider |
| }; |
| |
| if (self.options.on_overlap) { |
| self.options.on_overlap.call(this, collider_data); |
| } |
| colliders_coords.push($collider_coords_ins); |
| colliders_data.push(collider_data); |
| } |
| } |
| |
| if (self.options.on_overlap_stop || self.options.on_overlap_start) { |
| this.manage_colliders_start_stop(colliders_coords, |
| self.options.on_overlap_start, self.options.on_overlap_stop); |
| } |
| |
| this.last_colliders_coords = colliders_coords; |
| |
| return colliders_data; |
| }; |
| |
| |
| fn.get_closest_colliders = function(player_data_coords){ |
| var colliders = this.find_collisions(player_data_coords); |
| |
| colliders.sort(function(a, b) { |
| /* if colliders are being overlapped by the "C" (center) region, |
| * we have to set a lower index in the array to which they are placed |
| * above in the grid. */ |
| if (a.region === 'C' && b.region === 'C') { |
| if (a.coords.y1 < b.coords.y1 || a.coords.x1 < b.coords.x1) { |
| return - 1; |
| }else{ |
| return 1; |
| } |
| } |
| |
| if (a.area < b.area) { |
| return 1; |
| } |
| |
| return 1; |
| }); |
| return colliders; |
| }; |
| |
| |
| fn.set_colliders = function(colliders) { |
| if (typeof colliders === 'string' || colliders instanceof $) { |
| this.$colliders = $(colliders, |
| this.options.colliders_context).not(this.$element); |
| }else{ |
| this.colliders = $(colliders); |
| } |
| }; |
| |
| |
| //jQuery adapter |
| $.fn.collision = function(collider, options) { |
| return new Collision( this, collider, options ); |
| }; |
| |
| return Collision; |
| |
| })); |
| |
| ;(function(window, undefined) { |
| |
| /* Delay, debounce and throttle functions taken from underscore.js |
| * |
| * Copyright (c) 2009-2013 Jeremy Ashkenas, DocumentCloud and |
| * Investigative Reporters & Editors |
| * |
| * Permission is hereby granted, free of charge, to any person |
| * obtaining a copy of this software and associated documentation |
| * files (the "Software"), to deal in the Software without |
| * restriction, including without limitation the rights to use, |
| * copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following |
| * conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
| * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| window.delay = function(func, wait) { |
| var args = Array.prototype.slice.call(arguments, 2); |
| return setTimeout(function(){ return func.apply(null, args); }, wait); |
| }; |
| |
| window.debounce = function(func, wait, immediate) { |
| var timeout; |
| return function() { |
| var context = this, args = arguments; |
| var later = function() { |
| timeout = null; |
| if (!immediate) func.apply(context, args); |
| }; |
| if (immediate && !timeout) func.apply(context, args); |
| clearTimeout(timeout); |
| timeout = setTimeout(later, wait); |
| }; |
| }; |
| |
| window.throttle = function(func, wait) { |
| var context, args, timeout, throttling, more, result; |
| var whenDone = debounce( |
| function(){ more = throttling = false; }, wait); |
| return function() { |
| context = this; args = arguments; |
| var later = function() { |
| timeout = null; |
| if (more) func.apply(context, args); |
| whenDone(); |
| }; |
| if (!timeout) timeout = setTimeout(later, wait); |
| if (throttling) { |
| more = true; |
| } else { |
| result = func.apply(context, args); |
| } |
| whenDone(); |
| throttling = true; |
| return result; |
| }; |
| }; |
| |
| })(window); |
| |
| ;(function(root, factory) { |
| |
| if (typeof define === 'function' && define.amd) { |
| define('gridster-draggable', ['jquery'], factory); |
| } else { |
| root.GridsterDraggable = factory(root.$ || root.jQuery); |
| } |
| |
| }(this, function($) { |
| |
| var defaults = { |
| items: 'li', |
| distance: 1, |
| limit: true, |
| offset_left: 0, |
| autoscroll: true, |
| ignore_dragging: ['INPUT', 'TEXTAREA', 'SELECT', 'BUTTON'], // or function |
| handle: null, |
| container_width: 0, // 0 == auto |
| move_element: true, |
| helper: false, // or 'clone' |
| remove_helper: true |
| // drag: function(e) {}, |
| // start : function(e, ui) {}, |
| // stop : function(e) {} |
| }; |
| |
| var $window = $(window); |
| var dir_map = { x : 'left', y : 'top' }; |
| var isTouch = !!('ontouchstart' in window); |
| |
| var capitalize = function(str) { |
| return str.charAt(0).toUpperCase() + str.slice(1); |
| }; |
| |
| var idCounter = 0; |
| var uniqId = function() { |
| return ++idCounter + ''; |
| } |
| |
| /** |
| * Basic drag implementation for DOM elements inside a container. |
| * Provide start/stop/drag callbacks. |
| * |
| * @class Draggable |
| * @param {HTMLElement} el The HTMLelement that contains all the widgets |
| * to be dragged. |
| * @param {Object} [options] An Object with all options you want to |
| * overwrite: |
| * @param {HTMLElement|String} [options.items] Define who will |
| * be the draggable items. Can be a CSS Selector String or a |
| * collection of HTMLElements. |
| * @param {Number} [options.distance] Distance in pixels after mousedown |
| * the mouse must move before dragging should start. |
| * @param {Boolean} [options.limit] Constrains dragging to the width of |
| * the container |
| * @param {Object|Function} [options.ignore_dragging] Array of node names |
| * that sould not trigger dragging, by default is `['INPUT', 'TEXTAREA', |
| * 'SELECT', 'BUTTON']`. If a function is used return true to ignore dragging. |
| * @param {offset_left} [options.offset_left] Offset added to the item |
| * that is being dragged. |
| * @param {Number} [options.drag] Executes a callback when the mouse is |
| * moved during the dragging. |
| * @param {Number} [options.start] Executes a callback when the drag |
| * starts. |
| * @param {Number} [options.stop] Executes a callback when the drag stops. |
| * @return {Object} Returns `el`. |
| * @constructor |
| */ |
| function Draggable(el, options) { |
| this.options = $.extend({}, defaults, options); |
| this.$document = $(document); |
| this.$container = $(el); |
| this.$dragitems = $(this.options.items, this.$container); |
| this.is_dragging = false; |
| this.player_min_left = 0 + this.options.offset_left; |
| this.id = uniqId(); |
| this.ns = '.gridster-draggable-' + this.id; |
| this.init(); |
| } |
| |
| Draggable.defaults = defaults; |
| |
| var fn = Draggable.prototype; |
| |
| fn.init = function() { |
| var pos = this.$container.css('position'); |
| this.calculate_dimensions(); |
| this.$container.css('position', pos === 'static' ? 'relative' : pos); |
| this.disabled = false; |
| this.events(); |
| |
| $(window).bind(this.nsEvent('resize'), |
| throttle($.proxy(this.calculate_dimensions, this), 200)); |
| }; |
| |
| fn.nsEvent = function(ev) { |
| return (ev || '') + this.ns; |
| }; |
| |
| fn.events = function() { |
| this.pointer_events = { |
| start: this.nsEvent('touchstart') + ' ' + this.nsEvent('mousedown'), |
| move: this.nsEvent('touchmove') + ' ' + this.nsEvent('mousemove'), |
| end: this.nsEvent('touchend') + ' ' + this.nsEvent('mouseup'), |
| }; |
| |
| this.$container.on(this.nsEvent('selectstart'), |
| $.proxy(this.on_select_start, this)); |
| |
| this.$container.on(this.pointer_events.start, this.options.items, |
| $.proxy(this.drag_handler, this)); |
| |
| this.$document.on(this.pointer_events.end, $.proxy(function(e) { |
| this.is_dragging = false; |
| if (this.disabled) { return; } |
| this.$document.off(this.pointer_events.move); |
| if (this.drag_start) { |
| this.on_dragstop(e); |
| } |
| }, this)); |
| }; |
| |
| fn.get_actual_pos = function($el) { |
| var pos = $el.position(); |
| return pos; |
| }; |
| |
| |
| fn.get_mouse_pos = function(e) { |
| if (e.originalEvent && e.originalEvent.touches) { |
| var oe = e.originalEvent; |
| e = oe.touches.length ? oe.touches[0] : oe.changedTouches[0]; |
| } |
| |
| return { |
| left: e.clientX, |
| top: e.clientY |
| }; |
| }; |
| |
| |
| fn.get_offset = function(e) { |
| e.preventDefault(); |
| var mouse_actual_pos = this.get_mouse_pos(e); |
| var diff_x = Math.round( |
| mouse_actual_pos.left - this.mouse_init_pos.left); |
| var diff_y = Math.round(mouse_actual_pos.top - this.mouse_init_pos.top); |
| |
| var left = Math.round(this.el_init_offset.left + |
| diff_x - this.baseX + $(window).scrollLeft() - this.win_offset_x); |
| var top = Math.round(this.el_init_offset.top + |
| diff_y - this.baseY + $(window).scrollTop() - this.win_offset_y); |
| |
| if (this.options.limit) { |
| if (left > this.player_max_left) { |
| left = this.player_max_left; |
| } else if(left < this.player_min_left) { |
| left = this.player_min_left; |
| } |
| } |
| |
| return { |
| position: { |
| left: left, |
| top: top |
| }, |
| pointer: { |
| left: mouse_actual_pos.left, |
| top: mouse_actual_pos.top, |
| diff_left: diff_x + ($(window).scrollLeft() - this.win_offset_x), |
| diff_top: diff_y + ($(window).scrollTop() - this.win_offset_y) |
| } |
| }; |
| }; |
| |
| |
| fn.get_drag_data = function(e) { |
| var offset = this.get_offset(e); |
| offset.$player = this.$player; |
| offset.$helper = this.helper ? this.$helper : this.$player; |
| |
| return offset; |
| }; |
| |
| |
| fn.set_limits = function(container_width) { |
| container_width || (container_width = this.$container.width()); |
| this.player_max_left = (container_width - this.player_width + |
| - this.options.offset_left); |
| |
| this.options.container_width = container_width; |
| |
| return this; |
| }; |
| |
| |
| fn.scroll_in = function(axis, data) { |
| var dir_prop = dir_map[axis]; |
| |
| var area_size = 50; |
| var scroll_inc = 30; |
| |
| var is_x = axis === 'x'; |
| var window_size = is_x ? this.window_width : this.window_height; |
| var doc_size = is_x ? $(document).width() : $(document).height(); |
| var player_size = is_x ? this.$player.width() : this.$player.height(); |
| |
| var next_scroll; |
| var scroll_offset = $window['scroll' + capitalize(dir_prop)](); |
| var min_window_pos = scroll_offset; |
| var max_window_pos = min_window_pos + window_size; |
| |
| var mouse_next_zone = max_window_pos - area_size; // down/right |
| var mouse_prev_zone = min_window_pos + area_size; // up/left |
| |
| var abs_mouse_pos = min_window_pos + data.pointer[dir_prop]; |
| |
| var max_player_pos = (doc_size - window_size + player_size); |
| |
| if (abs_mouse_pos >= mouse_next_zone) { |
| next_scroll = scroll_offset + scroll_inc; |
| if (next_scroll < max_player_pos) { |
| $window['scroll' + capitalize(dir_prop)](next_scroll); |
| this['scroll_offset_' + axis] += scroll_inc; |
| } |
| } |
| |
| if (abs_mouse_pos <= mouse_prev_zone) { |
| next_scroll = scroll_offset - scroll_inc; |
| if (next_scroll > 0) { |
| $window['scroll' + capitalize(dir_prop)](next_scroll); |
| this['scroll_offset_' + axis] -= scroll_inc; |
| } |
| } |
| |
| return this; |
| }; |
| |
| |
| fn.manage_scroll = function(data) { |
| this.scroll_in('x', data); |
| this.scroll_in('y', data); |
| }; |
| |
| |
| fn.calculate_dimensions = function(e) { |
| this.window_height = $window.height(); |
| this.window_width = $window.width(); |
| }; |
| |
| |
| fn.drag_handler = function(e) { |
| var node = e.target.nodeName; |
| // skip if drag is disabled, or click was not done with the mouse primary button |
| if (this.disabled || e.which !== 1 && !isTouch) { |
| return; |
| } |
| |
| if (this.ignore_drag(e)) { |
| return; |
| } |
| |
| var self = this; |
| var first = true; |
| this.$player = $(e.currentTarget); |
| |
| this.el_init_pos = this.get_actual_pos(this.$player); |
| this.mouse_init_pos = this.get_mouse_pos(e); |
| this.offsetY = this.mouse_init_pos.top - this.el_init_pos.top; |
| |
| this.$document.on(this.pointer_events.move, function(mme) { |
| var mouse_actual_pos = self.get_mouse_pos(mme); |
| var diff_x = Math.abs( |
| mouse_actual_pos.left - self.mouse_init_pos.left); |
| var diff_y = Math.abs( |
| mouse_actual_pos.top - self.mouse_init_pos.top); |
| if (!(diff_x > self.options.distance || |
| diff_y > self.options.distance) |
| ) { |
| return false; |
| } |
| |
| if (first) { |
| first = false; |
| self.on_dragstart.call(self, mme); |
| return false; |
| } |
| |
| if (self.is_dragging === true) { |
| self.on_dragmove.call(self, mme); |
| } |
| |
| return false; |
| }); |
| |
| if (!isTouch) { return false; } |
| }; |
| |
| |
| fn.on_dragstart = function(e) { |
| e.preventDefault(); |
| |
| if (this.is_dragging) { return this; } |
| |
| this.drag_start = this.is_dragging = true; |
| var offset = this.$container.offset(); |
| this.baseX = Math.round(offset.left); |
| this.baseY = Math.round(offset.top); |
| this.initial_container_width = this.options.container_width || this.$container.width(); |
| |
| if (this.options.helper === 'clone') { |
| this.$helper = this.$player.clone() |
| .appendTo(this.$container).addClass('helper'); |
| this.helper = true; |
| } else { |
| this.helper = false; |
| } |
| |
| this.win_offset_y = $(window).scrollTop(); |
| this.win_offset_x = $(window).scrollLeft(); |
| this.scroll_offset_y = 0; |
| this.scroll_offset_x = 0; |
| this.el_init_offset = this.$player.offset(); |
| this.player_width = this.$player.width(); |
| this.player_height = this.$player.height(); |
| |
| this.set_limits(this.options.container_width); |
| |
| if (this.options.start) { |
| this.options.start.call(this.$player, e, this.get_drag_data(e)); |
| } |
| return false; |
| }; |
| |
| |
| fn.on_dragmove = function(e) { |
| var data = this.get_drag_data(e); |
| |
| this.options.autoscroll && this.manage_scroll(data); |
| |
| if (this.options.move_element) { |
| (this.helper ? this.$helper : this.$player).css({ |
| 'position': 'absolute', |
| 'left' : data.position.left, |
| 'top' : data.position.top |
| }); |
| } |
| |
| var last_position = this.last_position || data.position; |
| data.prev_position = last_position; |
| |
| if (this.options.drag) { |
| this.options.drag.call(this.$player, e, data); |
| } |
| |
| this.last_position = data.position; |
| return false; |
| }; |
| |
| |
| fn.on_dragstop = function(e) { |
| var data = this.get_drag_data(e); |
| this.drag_start = false; |
| |
| if (this.options.stop) { |
| this.options.stop.call(this.$player, e, data); |
| } |
| |
| if (this.helper && this.options.remove_helper) { |
| this.$helper.remove(); |
| } |
| |
| return false; |
| }; |
| |
| fn.on_select_start = function(e) { |
| if (this.disabled) { return; } |
| |
| if (this.ignore_drag(e)) { |
| return; |
| } |
| |
| return false; |
| }; |
| |
| fn.enable = function() { |
| this.disabled = false; |
| }; |
| |
| fn.disable = function() { |
| this.disabled = true; |
| }; |
| |
| fn.destroy = function() { |
| this.disable(); |
| |
| this.$container.off(this.ns); |
| this.$document.off(this.ns); |
| $(window).off(this.ns); |
| |
| $.removeData(this.$container, 'drag'); |
| }; |
| |
| fn.ignore_drag = function(event) { |
| if (this.options.handle) { |
| return !$(event.target).is(this.options.handle); |
| } |
| |
| if ($.isFunction(this.options.ignore_dragging)) { |
| return this.options.ignore_dragging(event); |
| } |
| |
| return $(event.target).is(this.options.ignore_dragging.join(', ')); |
| }; |
| |
| //jQuery adapter |
| $.fn.drag = function ( options ) { |
| return new Draggable(this, options); |
| }; |
| |
| return Draggable; |
| |
| })); |
| |
| ;(function(root, factory) { |
| |
| if (typeof define === 'function' && define.amd) { |
| define(['jquery', 'gridster-draggable', 'gridster-collision'], factory); |
| } else { |
| root.Gridster = factory(root.$ || root.jQuery, root.GridsterDraggable, |
| root.GridsterCollision); |
| } |
| |
| }(this, function($, Draggable, Collision) { |
| |
| var defaults = { |
| namespace: '', |
| widget_selector: 'li', |
| widget_margins: [10, 10], |
| widget_base_dimensions: [400, 225], |
| extra_rows: 0, |
| extra_cols: 0, |
| min_cols: 1, |
| max_cols: Infinity, |
| min_rows: 15, |
| max_size_x: false, |
| autogrow_cols: false, |
| autogenerate_stylesheet: true, |
| avoid_overlapped_widgets: true, |
| auto_init: true, |
| serialize_params: function($w, wgd) { |
| var url = $w.find('iframe').contents().get(0).location.href; |
| return { |
| col: wgd.col, |
| row: wgd.row, |
| size_x: wgd.size_x, |
| size_y: wgd.size_y, |
| src: url, |
| }; |
| }, |
| collision: {}, |
| draggable: { |
| items: '.gs-w', |
| distance: 4, |
| ignore_dragging: Draggable.defaults.ignore_dragging.slice(0) |
| }, |
| resize: { |
| enabled: false, |
| axes: ['both'], |
| handle_append_to: '', |
| handle_class: 'gs-resize-handle', |
| max_size: [Infinity, Infinity], |
| min_size: [1, 1] |
| }, |
| header: { |
| enabled: true, |
| axes: ['both'], |
| handle_append_to: '', |
| handle_class: 'gs-header' |
| } |
| }; |
| |
| /** |
| * @class Gridster |
| * @uses Draggable |
| * @uses Collision |
| * @param {HTMLElement} el The HTMLelement that contains all the widgets. |
| * @param {Object} [options] An Object with all options you want to |
| * overwrite: |
| * @param {HTMLElement|String} [options.widget_selector] Define who will |
| * be the draggable widgets. Can be a CSS Selector String or a |
| * collection of HTMLElements |
| * @param {Array} [options.widget_margins] Margin between widgets. |
| * The first index for the horizontal margin (left, right) and |
| * the second for the vertical margin (top, bottom). |
| * @param {Array} [options.widget_base_dimensions] Base widget dimensions |
| * in pixels. The first index for the width and the second for the |
| * height. |
| * @param {Number} [options.extra_cols] Add more columns in addition to |
| * those that have been calculated. |
| * @param {Number} [options.extra_rows] Add more rows in addition to |
| * those that have been calculated. |
| * @param {Number} [options.min_cols] The minimum required columns. |
| * @param {Number} [options.max_cols] The maximum columns possible (set to null |
| * for no maximum). |
| * @param {Number} [options.min_rows] The minimum required rows. |
| * @param {Number} [options.max_size_x] The maximum number of columns |
| * that a widget can span. |
| * @param {Boolean} [options.autogenerate_stylesheet] If true, all the |
| * CSS required to position all widgets in their respective columns |
| * and rows will be generated automatically and injected to the |
| * `<head>` of the document. You can set this to false, and write |
| * your own CSS targeting rows and cols via data-attributes like so: |
| * `[data-col="1"] { left: 10px; }` |
| * @param {Boolean} [options.avoid_overlapped_widgets] Avoid that widgets loaded |
| * from the DOM can be overlapped. It is helpful if the positions were |
| * bad stored in the database or if there was any conflict. |
| * @param {Boolean} [options.auto_init] Automatically call gridster init |
| * method or not when the plugin is instantiated. |
| * @param {Function} [options.serialize_params] Return the data you want |
| * for each widget in the serialization. Two arguments are passed: |
| * `$w`: the jQuery wrapped HTMLElement, and `wgd`: the grid |
| * coords object (`col`, `row`, `size_x`, `size_y`). |
| * @param {Object} [options.collision] An Object with all options for |
| * Collision class you want to overwrite. See Collision docs for |
| * more info. |
| * @param {Object} [options.draggable] An Object with all options for |
| * Draggable class you want to overwrite. See Draggable docs for more |
| * info. |
| * @param {Object|Function} [options.draggable.ignore_dragging] Note that |
| * if you use a Function, and resize is enabled, you should ignore the |
| * resize handlers manually (options.resize.handle_class). |
| * @param {Object} [options.resize] An Object with resize config options. |
| * @param {Boolean} [options.resize.enabled] Set to true to enable |
| * resizing. |
| * @param {Array} [options.resize.axes] Axes in which widgets can be |
| * resized. Possible values: ['x', 'y', 'both']. |
| * @param {String} [options.resize.handle_append_to] Set a valid CSS |
| * selector to append resize handles to. |
| * @param {String} [options.resize.handle_class] CSS class name used |
| * by resize handles. |
| * @param {Array} [options.resize.max_size] Limit widget dimensions |
| * when resizing. Array values should be integers: |
| * `[max_cols_occupied, max_rows_occupied]` |
| * @param {Array} [options.resize.min_size] Limit widget dimensions |
| * when resizing. Array values should be integers: |
| * `[min_cols_occupied, min_rows_occupied]` |
| * @param {Function} [options.resize.start] Function executed |
| * when resizing starts. |
| * @param {Function} [otions.resize.resize] Function executed |
| * during the resizing. |
| * @param {Function} [options.resize.stop] Function executed |
| * when resizing stops. |
| * |
| * @constructor |
| */ |
| function Gridster(el, options) { |
| this.options = $.extend(true, {}, defaults, options); |
| this.$el = $(el); |
| this.$wrapper = this.$el.parent(); |
| this.$widgets = this.$el.children( |
| this.options.widget_selector).addClass('gs-w'); |
| this.widgets = []; |
| this.$changed = $([]); |
| this.wrapper_width = this.$wrapper.width(); |
| this.min_widget_width = (this.options.widget_margins[0] * 2) + |
| this.options.widget_base_dimensions[0]; |
| this.min_widget_height = (this.options.widget_margins[1] * 2) + |
| this.options.widget_base_dimensions[1]; |
| |
| this.generated_stylesheets = []; |
| this.$style_tags = $([]); |
| |
| this.options.auto_init && this.init(); |
| } |
| |
| Gridster.defaults = defaults; |
| Gridster.generated_stylesheets = []; |
| |
| |
| /** |
| * Sorts an Array of grid coords objects (representing the grid coords of |
| * each widget) in ascending way. |
| * |
| * @method sort_by_row_asc |
| * @param {Array} widgets Array of grid coords objects |
| * @return {Array} Returns the array sorted. |
| */ |
| Gridster.sort_by_row_asc = function(widgets) { |
| widgets = widgets.sort(function(a, b) { |
| if (!a.row) { |
| a = $(a).coords().grid; |
| b = $(b).coords().grid; |
| } |
| |
| if (a.row > b.row) { |
| return 1; |
| } |
| return -1; |
| }); |
| |
| return widgets; |
| }; |
| |
| |
| /** |
| * Sorts an Array of grid coords objects (representing the grid coords of |
| * each widget) placing first the empty cells upper left. |
| * |
| * @method sort_by_row_and_col_asc |
| * @param {Array} widgets Array of grid coords objects |
| * @return {Array} Returns the array sorted. |
| */ |
| Gridster.sort_by_row_and_col_asc = function(widgets) { |
| widgets = widgets.sort(function(a, b) { |
| if (a.row > b.row || a.row === b.row && a.col > b.col) { |
| return 1; |
| } |
| return -1; |
| }); |
| |
| return widgets; |
| }; |
| |
| |
| /** |
| * Sorts an Array of grid coords objects by column (representing the grid |
| * coords of each widget) in ascending way. |
| * |
| * @method sort_by_col_asc |
| * @param {Array} widgets Array of grid coords objects |
| * @return {Array} Returns the array sorted. |
| */ |
| Gridster.sort_by_col_asc = function(widgets) { |
| widgets = widgets.sort(function(a, b) { |
| if (a.col > b.col) { |
| return 1; |
| } |
| return -1; |
| }); |
| |
| return widgets; |
| }; |
| |
| |
| /** |
| * Sorts an Array of grid coords objects (representing the grid coords of |
| * each widget) in descending way. |
| * |
| * @method sort_by_row_desc |
| * @param {Array} widgets Array of grid coords objects |
| * @return {Array} Returns the array sorted. |
| */ |
| Gridster.sort_by_row_desc = function(widgets) { |
| widgets = widgets.sort(function(a, b) { |
| if (a.row + a.size_y < b.row + b.size_y) { |
| return 1; |
| } |
| return -1; |
| }); |
| return widgets; |
| }; |
| |
| |
| |
| /** Instance Methods **/ |
| |
| var fn = Gridster.prototype; |
| |
| fn.init = function() { |
| this.options.resize.enabled && this.setup_resize(); |
| this.options.header.enabled && this.setup_header(); |
| this.generate_grid_and_stylesheet(); |
| this.get_widgets_from_DOM(); |
| this.set_dom_grid_height(); |
| this.set_dom_grid_width(); |
| this.$wrapper.addClass('ready'); |
| this.draggable(); |
| this.options.resize.enabled && this.resizable(); |
| |
| $(window).bind('resize.gridster', throttle( |
| $.proxy(this.recalculate_faux_grid, this), 200)); |
| }; |
| |
| |
| /** |
| * Disables dragging. |
| * |
| * @method disable |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.disable = function() { |
| this.$wrapper.find('.player-revert').removeClass('player-revert'); |
| this.drag_api.disable(); |
| return this; |
| }; |
| |
| |
| /** |
| * Enables dragging. |
| * |
| * @method enable |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.enable = function() { |
| this.drag_api.enable(); |
| return this; |
| }; |
| |
| |
| |
| /** |
| * Disables drag-and-drop widget resizing. |
| * |
| * @method disable |
| * @return {Class} Returns instance of gridster Class. |
| */ |
| fn.disable_resize = function() { |
| this.$el.addClass('gs-resize-disabled'); |
| this.resize_api.disable(); |
| return this; |
| }; |
| |
| |
| /** |
| * Enables drag-and-drop widget resizing. |
| * |
| * @method enable |
| * @return {Class} Returns instance of gridster Class. |
| */ |
| fn.enable_resize = function() { |
| this.$el.removeClass('gs-resize-disabled'); |
| this.resize_api.enable(); |
| return this; |
| }; |
| |
| |
| /** |
| * Add a new widget to the grid. |
| * |
| * @method add_widget |
| * @param {URI} url of the widget |
| * or the HTMLElement. |
| * @param {Number} [size_x] The nº of rows the widget occupies horizontally. |
| * @param {Number} [size_y] The nº of columns the widget occupies vertically. |
| * @param {Number} [col] The column the widget should start in. |
| * @param {Number} [row] The row the widget should start in. |
| * @param {Array} [max_size] max_size Maximun size (in units) for width and height. |
| * @param {Array} [min_size] min_size Minimum size (in units) for width and height. |
| * @return {HTMLElement} Returns the jQuery wrapped HTMLElement representing. |
| * the widget that was just created. |
| */ |
| fn.add_widget = function(url, size_x, size_y, col, row, max_size, min_size) { |
| var pos; |
| size_x || (size_x = 1); |
| size_y || (size_y = 1); |
| |
| if (!col & !row) { |
| pos = this.next_position(size_x, size_y); |
| } else { |
| pos = { |
| col: col, |
| row: row, |
| size_x: size_x, |
| size_y: size_y |
| }; |
| |
| this.empty_cells(col, row, size_x, size_y); |
| } |
| var html = '<li><iframe src="'+url+'"/></li>'; |
| var $w = $(html).attr({ |
| 'data-col': pos.col, |
| 'data-row': pos.row, |
| 'data-sizex' : size_x, |
| 'data-sizey' : size_y |
| }).addClass('gs-w').appendTo(this.$el).hide(); |
| |
| this.$widgets = this.$widgets.add($w); |
| |
| this.register_widget($w); |
| |
| this.add_faux_rows(pos.size_y); |
| //this.add_faux_cols(pos.size_x); |
| |
| if (max_size) { |
| this.set_widget_max_size($w, max_size); |
| } |
| |
| if (min_size) { |
| this.set_widget_min_size($w, min_size); |
| } |
| |
| this.set_dom_grid_width(); |
| this.set_dom_grid_height(); |
| |
| this.drag_api.set_limits(this.cols * this.min_widget_width); |
| |
| return $w.fadeIn(); |
| }; |
| |
| |
| /** |
| * Change widget size limits. |
| * |
| * @method set_widget_min_size |
| * @param {HTMLElement|Number} $widget The jQuery wrapped HTMLElement |
| * representing the widget or an index representing the desired widget. |
| * @param {Array} min_size Minimum size (in units) for width and height. |
| * @return {HTMLElement} Returns instance of gridster Class. |
| */ |
| fn.set_widget_min_size = function($widget, min_size) { |
| $widget = typeof $widget === 'number' ? |
| this.$widgets.eq($widget) : $widget; |
| |
| if (!$widget.length) { return this; } |
| |
| var wgd = $widget.data('coords').grid; |
| wgd.min_size_x = min_size[0]; |
| wgd.min_size_y = min_size[1]; |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Change widget size limits. |
| * |
| * @method set_widget_max_size |
| * @param {HTMLElement|Number} $widget The jQuery wrapped HTMLElement |
| * representing the widget or an index representing the desired widget. |
| * @param {Array} max_size Maximun size (in units) for width and height. |
| * @return {HTMLElement} Returns instance of gridster Class. |
| */ |
| fn.set_widget_max_size = function($widget, max_size) { |
| $widget = typeof $widget === 'number' ? |
| this.$widgets.eq($widget) : $widget; |
| |
| if (!$widget.length) { return this; } |
| |
| var wgd = $widget.data('coords').grid; |
| wgd.max_size_x = max_size[0]; |
| wgd.max_size_y = max_size[1]; |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Append the resize handle into a widget. |
| * |
| * @method add_resize_handle |
| * @param {HTMLElement} $widget The jQuery wrapped HTMLElement |
| * representing the widget. |
| * @return {HTMLElement} Returns instance of gridster Class. |
| */ |
| fn.add_resize_handle = function($w) { |
| var append_to = this.options.resize.handle_append_to; |
| $(this.resize_handle_tpl).appendTo( append_to ? $(append_to, $w) : $w); |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Append the header handle into a widget. |
| * |
| * @method add_header_handle |
| * @param {HTMLElement} $widget The jQuery wrapped HTMLElement |
| * representing the widget. |
| * @return {HTMLElement} Returns instance of gridster Class. |
| */ |
| fn.add_header_handle = function($w) { |
| var append_to = this.options.header.handle_append_to; |
| $(this.header_handle_tpl).appendTo( append_to ? $(append_to, $w) : $w); |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Change the size of a widget. Width is limited to the current grid width. |
| * |
| * @method resize_widget |
| * @param {HTMLElement} $widget The jQuery wrapped HTMLElement |
| * representing the widget. |
| * @param {Number} size_x The number of columns that will occupy the widget. |
| * By default <code>size_x</code> is limited to the space available from |
| * the column where the widget begins, until the last column to the right. |
| * @param {Number} size_y The number of rows that will occupy the widget. |
| * @param {Function} [callback] Function executed when the widget is removed. |
| * @return {HTMLElement} Returns $widget. |
| */ |
| fn.resize_widget = function($widget, size_x, size_y, callback) { |
| var wgd = $widget.coords().grid; |
| var col = wgd.col; |
| var max_cols = this.options.max_cols; |
| var old_size_y = wgd.size_y; |
| var old_col = wgd.col; |
| var new_col = old_col; |
| |
| size_x || (size_x = wgd.size_x); |
| size_y || (size_y = wgd.size_y); |
| |
| if (max_cols !== Infinity) { |
| size_x = Math.min(size_x, max_cols - col + 1); |
| } |
| |
| if (size_y > old_size_y) { |
| this.add_faux_rows(Math.max(size_y - old_size_y, 0)); |
| } |
| |
| var player_rcol = (col + size_x - 1); |
| if (player_rcol > this.cols) { |
| this.add_faux_cols(player_rcol - this.cols); |
| } |
| |
| var new_grid_data = { |
| col: new_col, |
| row: wgd.row, |
| size_x: size_x, |
| size_y: size_y |
| }; |
| |
| this.mutate_widget_in_gridmap($widget, wgd, new_grid_data); |
| |
| this.set_dom_grid_height(); |
| this.set_dom_grid_width(); |
| |
| if (callback) { |
| callback.call(this, new_grid_data.size_x, new_grid_data.size_y); |
| } |
| |
| return $widget; |
| }; |
| |
| |
| /** |
| * Mutate widget dimensions and position in the grid map. |
| * |
| * @method mutate_widget_in_gridmap |
| * @param {HTMLElement} $widget The jQuery wrapped HTMLElement |
| * representing the widget to mutate. |
| * @param {Object} wgd Current widget grid data (col, row, size_x, size_y). |
| * @param {Object} new_wgd New widget grid data. |
| * @return {HTMLElement} Returns instance of gridster Class. |
| */ |
| fn.mutate_widget_in_gridmap = function($widget, wgd, new_wgd) { |
| var old_size_x = wgd.size_x; |
| var old_size_y = wgd.size_y; |
| |
| var old_cells_occupied = this.get_cells_occupied(wgd); |
| var new_cells_occupied = this.get_cells_occupied(new_wgd); |
| |
| var empty_cols = []; |
| $.each(old_cells_occupied.cols, function(i, col) { |
| if ($.inArray(col, new_cells_occupied.cols) === -1) { |
| empty_cols.push(col); |
| } |
| }); |
| |
| var occupied_cols = []; |
| $.each(new_cells_occupied.cols, function(i, col) { |
| if ($.inArray(col, old_cells_occupied.cols) === -1) { |
| occupied_cols.push(col); |
| } |
| }); |
| |
| var empty_rows = []; |
| $.each(old_cells_occupied.rows, function(i, row) { |
| if ($.inArray(row, new_cells_occupied.rows) === -1) { |
| empty_rows.push(row); |
| } |
| }); |
| |
| var occupied_rows = []; |
| $.each(new_cells_occupied.rows, function(i, row) { |
| if ($.inArray(row, old_cells_occupied.rows) === -1) { |
| occupied_rows.push(row); |
| } |
| }); |
| |
| this.remove_from_gridmap(wgd); |
| |
| if (occupied_cols.length) { |
| var cols_to_empty = [ |
| new_wgd.col, new_wgd.row, new_wgd.size_x, Math.min(old_size_y, new_wgd.size_y), $widget |
| ]; |
| this.empty_cells.apply(this, cols_to_empty); |
| } |
| |
| if (occupied_rows.length) { |
| var rows_to_empty = [new_wgd.col, new_wgd.row, new_wgd.size_x, new_wgd.size_y, $widget]; |
| this.empty_cells.apply(this, rows_to_empty); |
| } |
| |
| // not the same that wgd = new_wgd; |
| wgd.col = new_wgd.col; |
| wgd.row = new_wgd.row; |
| wgd.size_x = new_wgd.size_x; |
| wgd.size_y = new_wgd.size_y; |
| |
| this.add_to_gridmap(new_wgd, $widget); |
| |
| $widget.removeClass('player-revert'); |
| |
| //update coords instance attributes |
| $widget.data('coords').update({ |
| width: (new_wgd.size_x * this.options.widget_base_dimensions[0] + |
| ((new_wgd.size_x - 1) * this.options.widget_margins[0]) * 2), |
| height: (new_wgd.size_y * this.options.widget_base_dimensions[1] + |
| ((new_wgd.size_y - 1) * this.options.widget_margins[1]) * 2) |
| }); |
| |
| $widget.attr({ |
| 'data-col': new_wgd.col, |
| 'data-row': new_wgd.row, |
| 'data-sizex': new_wgd.size_x, |
| 'data-sizey': new_wgd.size_y |
| }); |
| |
| if (empty_cols.length) { |
| var cols_to_remove_holes = [ |
| empty_cols[0], new_wgd.row, |
| empty_cols.length, |
| Math.min(old_size_y, new_wgd.size_y), |
| $widget |
| ]; |
| |
| this.remove_empty_cells.apply(this, cols_to_remove_holes); |
| } |
| |
| if (empty_rows.length) { |
| var rows_to_remove_holes = [ |
| new_wgd.col, new_wgd.row, new_wgd.size_x, new_wgd.size_y, $widget |
| ]; |
| this.remove_empty_cells.apply(this, rows_to_remove_holes); |
| } |
| |
| this.move_widget_up($widget); |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Move down widgets in cells represented by the arguments col, row, size_x, |
| * size_y |
| * |
| * @method empty_cells |
| * @param {Number} col The column where the group of cells begin. |
| * @param {Number} row The row where the group of cells begin. |
| * @param {Number} size_x The number of columns that the group of cells |
| * occupy. |
| * @param {Number} size_y The number of rows that the group of cells |
| * occupy. |
| * @param {HTMLElement} $exclude Exclude widgets from being moved. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.empty_cells = function(col, row, size_x, size_y, $exclude) { |
| var $nexts = this.widgets_below({ |
| col: col, |
| row: row - size_y, |
| size_x: size_x, |
| size_y: size_y |
| }); |
| |
| $nexts.not($exclude).each($.proxy(function(i, w) { |
| var wgd = $(w).coords().grid; |
| if ( !(wgd.row <= (row + size_y - 1))) { return; } |
| var diff = (row + size_y) - wgd.row; |
| this.move_widget_down($(w), diff); |
| }, this)); |
| |
| this.set_dom_grid_height(); |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Move up widgets below cells represented by the arguments col, row, size_x, |
| * size_y. |
| * |
| * @method remove_empty_cells |
| * @param {Number} col The column where the group of cells begin. |
| * @param {Number} row The row where the group of cells begin. |
| * @param {Number} size_x The number of columns that the group of cells |
| * occupy. |
| * @param {Number} size_y The number of rows that the group of cells |
| * occupy. |
| * @param {HTMLElement} exclude Exclude widgets from being moved. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.remove_empty_cells = function(col, row, size_x, size_y, exclude) { |
| var $nexts = this.widgets_below({ |
| col: col, |
| row: row, |
| size_x: size_x, |
| size_y: size_y |
| }); |
| |
| $nexts.not(exclude).each($.proxy(function(i, widget) { |
| this.move_widget_up( $(widget), size_y ); |
| }, this)); |
| |
| this.set_dom_grid_height(); |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Get the most left column below to add a new widget. |
| * |
| * @method next_position |
| * @param {Number} size_x The nº of rows the widget occupies horizontally. |
| * @param {Number} size_y The nº of columns the widget occupies vertically. |
| * @return {Object} Returns a grid coords object representing the future |
| * widget coords. |
| */ |
| fn.next_position = function(size_x, size_y) { |
| size_x || (size_x = 1); |
| size_y || (size_y = 1); |
| var ga = this.gridmap; |
| var cols_l = ga.length; |
| var valid_pos = []; |
| var rows_l; |
| |
| for (var c = 1; c < cols_l; c++) { |
| rows_l = ga[c].length; |
| for (var r = 1; r <= rows_l; r++) { |
| var can_move_to = this.can_move_to({ |
| size_x: size_x, |
| size_y: size_y |
| }, c, r); |
| |
| if (can_move_to) { |
| valid_pos.push({ |
| col: c, |
| row: r, |
| size_y: size_y, |
| size_x: size_x |
| }); |
| } |
| } |
| } |
| |
| if (valid_pos.length) { |
| return Gridster.sort_by_row_and_col_asc(valid_pos)[0]; |
| } |
| return false; |
| }; |
| |
| |
| /** |
| * Remove a widget from the grid. |
| * |
| * @method remove_widget |
| * @param {HTMLElement} el The jQuery wrapped HTMLElement you want to remove. |
| * @param {Boolean|Function} silent If true, widgets below the removed one |
| * will not move up. If a Function is passed it will be used as callback. |
| * @param {Function} callback Function executed when the widget is removed. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.remove_widget = function(el, silent, callback) { |
| var $el = el instanceof $ ? el : $(el); |
| var wgd = $el.coords().grid; |
| |
| // if silent is a function assume it's a callback |
| if ($.isFunction(silent)) { |
| callback = silent; |
| silent = false; |
| } |
| |
| this.cells_occupied_by_placeholder = {}; |
| this.$widgets = this.$widgets.not($el); |
| |
| var $nexts = this.widgets_below($el); |
| |
| this.remove_from_gridmap(wgd); |
| |
| $el.fadeOut($.proxy(function() { |
| $el.remove(); |
| |
| if (!silent) { |
| $nexts.each($.proxy(function(i, widget) { |
| this.move_widget_up( $(widget), wgd.size_y ); |
| }, this)); |
| } |
| |
| this.set_dom_grid_height(); |
| |
| if (callback) { |
| callback.call(this, el); |
| } |
| }, this)); |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Remove all widgets from the grid. |
| * |
| * @method remove_all_widgets |
| * @param {Function} callback Function executed for each widget removed. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.remove_all_widgets = function(callback) { |
| this.$widgets.each($.proxy(function(i, el){ |
| this.remove_widget(el, true, callback); |
| }, this)); |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Returns a serialized array of the widgets in the grid. |
| * |
| * @method serialize |
| * @param {HTMLElement} [$widgets] The collection of jQuery wrapped |
| * HTMLElements you want to serialize. If no argument is passed all widgets |
| * will be serialized. |
| * @return {Array} Returns an Array of Objects with the data specified in |
| * the serialize_params option. |
| */ |
| fn.serialize = function($widgets) { |
| $widgets || ($widgets = this.$widgets); |
| |
| return $widgets.map($.proxy(function(i, widget) { |
| var $w = $(widget); |
| return this.options.serialize_params($w, $w.coords().grid); |
| }, this)).get(); |
| }; |
| |
| |
| /** |
| * Returns a serialized array of the widgets that have changed their |
| * position. |
| * |
| * @method serialize_changed |
| * @return {Array} Returns an Array of Objects with the data specified in |
| * the serialize_params option. |
| */ |
| fn.serialize_changed = function() { |
| return this.serialize(this.$changed); |
| }; |
| |
| |
| /** |
| * Convert widgets from DOM elements to "widget grid data" Objects. |
| * |
| * @method dom_to_coords |
| * @param {HTMLElement} $widget The widget to be converted. |
| */ |
| fn.dom_to_coords = function($widget) { |
| return { |
| 'col': parseInt($widget.attr('data-col'), 10), |
| 'row': parseInt($widget.attr('data-row'), 10), |
| 'size_x': parseInt($widget.attr('data-sizex'), 10) || 1, |
| 'size_y': parseInt($widget.attr('data-sizey'), 10) || 1, |
| 'max_size_x': parseInt($widget.attr('data-max-sizex'), 10) || false, |
| 'max_size_y': parseInt($widget.attr('data-max-sizey'), 10) || false, |
| 'min_size_x': parseInt($widget.attr('data-min-sizex'), 10) || false, |
| 'min_size_y': parseInt($widget.attr('data-min-sizey'), 10) || false, |
| 'el': $widget |
| }; |
| }; |
| |
| |
| /** |
| * Creates the grid coords object representing the widget an add it to the |
| * mapped array of positions. |
| * |
| * @method register_widget |
| * @param {HTMLElement|Object} $el jQuery wrapped HTMLElement representing |
| * the widget, or an "widget grid data" Object with (col, row, el ...). |
| * @return {Boolean} Returns true if the widget final position is different |
| * than the original. |
| */ |
| fn.register_widget = function($el) { |
| var isDOM = $el instanceof jQuery; |
| var wgd = isDOM ? this.dom_to_coords($el) : $el; |
| var posChanged = false; |
| isDOM || ($el = wgd.el); |
| |
| var empty_upper_row = this.can_go_widget_up(wgd); |
| if (empty_upper_row) { |
| wgd.row = empty_upper_row; |
| $el.attr('data-row', empty_upper_row); |
| this.$el.trigger('gridster:positionchanged', [wgd]); |
| posChanged = true; |
| } |
| |
| if (this.options.avoid_overlapped_widgets && |
| !this.can_move_to( |
| {size_x: wgd.size_x, size_y: wgd.size_y}, wgd.col, wgd.row) |
| ) { |
| $.extend(wgd, this.next_position(wgd.size_x, wgd.size_y)); |
| $el.attr({ |
| 'data-col': wgd.col, |
| 'data-row': wgd.row, |
| 'data-sizex': wgd.size_x, |
| 'data-sizey': wgd.size_y |
| }); |
| posChanged = true; |
| } |
| |
| // attach Coord object to player data-coord attribute |
| $el.data('coords', $el.coords()); |
| // Extend Coord object with grid position info |
| $el.data('coords').grid = wgd; |
| |
| this.add_to_gridmap(wgd, $el); |
| |
| this.options.resize.enabled && this.add_resize_handle($el); |
| this.options.header.enabled && this.add_header_handle($el); |
| |
| return posChanged; |
| }; |
| |
| |
| /** |
| * Update in the mapped array of positions the value of cells represented by |
| * the grid coords object passed in the `grid_data` param. |
| * |
| * @param {Object} grid_data The grid coords object representing the cells |
| * to update in the mapped array. |
| * @param {HTMLElement|Boolean} value Pass `false` or the jQuery wrapped |
| * HTMLElement, depends if you want to delete an existing position or add |
| * a new one. |
| * @method update_widget_position |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.update_widget_position = function(grid_data, value) { |
| this.for_each_cell_occupied(grid_data, function(col, row) { |
| if (!this.gridmap[col]) { return this; } |
| this.gridmap[col][row] = value; |
| }); |
| return this; |
| }; |
| |
| |
| /** |
| * Remove a widget from the mapped array of positions. |
| * |
| * @method remove_from_gridmap |
| * @param {Object} grid_data The grid coords object representing the cells |
| * to update in the mapped array. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.remove_from_gridmap = function(grid_data) { |
| return this.update_widget_position(grid_data, false); |
| }; |
| |
| |
| /** |
| * Add a widget to the mapped array of positions. |
| * |
| * @method add_to_gridmap |
| * @param {Object} grid_data The grid coords object representing the cells |
| * to update in the mapped array. |
| * @param {HTMLElement|Boolean} value The value to set in the specified |
| * position . |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.add_to_gridmap = function(grid_data, value) { |
| this.update_widget_position(grid_data, value || grid_data.el); |
| |
| if (grid_data.el) { |
| var $widgets = this.widgets_below(grid_data.el); |
| $widgets.each($.proxy(function(i, widget) { |
| this.move_widget_up( $(widget)); |
| }, this)); |
| } |
| }; |
| |
| |
| /** |
| * Make widgets draggable. |
| * |
| * @uses Draggable |
| * @method draggable |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.draggable = function() { |
| var self = this; |
| var draggable_options = $.extend(true, {}, this.options.draggable, { |
| offset_left: this.options.widget_margins[0], |
| offset_top: this.options.widget_margins[1], |
| container_width: this.cols * this.min_widget_width, |
| limit: true, |
| start: function(event, ui) { |
| self.$widgets.filter('.player-revert') |
| .removeClass('player-revert'); |
| |
| self.$player = $(this); |
| self.$helper = $(ui.$helper); |
| |
| self.helper = !self.$helper.is(self.$player); |
| |
| self.on_start_drag.call(self, event, ui); |
| self.$el.trigger('gridster:dragstart'); |
| }, |
| stop: function(event, ui) { |
| self.on_stop_drag.call(self, event, ui); |
| self.$el.trigger('gridster:dragstop'); |
| }, |
| drag: throttle(function(event, ui) { |
| self.on_drag.call(self, event, ui); |
| self.$el.trigger('gridster:drag'); |
| }, 60) |
| }); |
| |
| this.drag_api = this.$el.drag(draggable_options); |
| return this; |
| }; |
| |
| |
| /** |
| * Bind resize events to get resize working. |
| * |
| * @method resizable |
| * @return {Class} Returns instance of gridster Class. |
| */ |
| fn.resizable = function() { |
| this.resize_api = this.$el.drag({ |
| items: '.' + this.options.resize.handle_class, |
| offset_left: this.options.widget_margins[0], |
| container_width: this.container_width, |
| move_element: false, |
| resize: true, |
| limit: this.options.autogrow_cols ? false : true, |
| start: $.proxy(this.on_start_resize, this), |
| stop: $.proxy(function(event, ui) { |
| delay($.proxy(function() { |
| this.on_stop_resize(event, ui); |
| }, this), 120); |
| }, this), |
| drag: throttle($.proxy(this.on_resize, this), 60) |
| }); |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Setup things required for resizing. Like build templates for drag handles. |
| * |
| * @method setup_resize |
| * @return {Class} Returns instance of gridster Class. |
| */ |
| fn.setup_resize = function() { |
| this.resize_handle_class = this.options.resize.handle_class; |
| var axes = this.options.resize.axes; |
| var handle_tpl = '<span class="' + this.resize_handle_class + ' ' + |
| this.resize_handle_class + '-{type}" />'; |
| |
| this.resize_handle_tpl = $.map(axes, function(type) { |
| return handle_tpl.replace('{type}', type); |
| }).join(''); |
| |
| if ($.isArray(this.options.draggable.ignore_dragging)) { |
| this.options.draggable.ignore_dragging.push( |
| '.' + this.resize_handle_class); |
| } |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Setup header required for dragging, zoom, and close handles. |
| * |
| * @method setup_header |
| * @return {Class} Returns instance of gridster Class. |
| */ |
| fn.setup_header = function() { |
| this.header_handle_class = this.options.header.handle_class; |
| var axes = this.options.header.axes; |
| var handle_tpl = '<header class="gs-header">'+ |
| '<span class="gs-icon gs-close-handle" onClick="remove_widget(this);"></span>' + |
| '<span class="gs-icon gs-zoom-handle" onClick="zoom_widget(this);"></span>' + |
| '</header><div class="overlay_fix"/>'; |
| |
| this.header_handle_tpl = $.map(axes, function(type) { |
| return handle_tpl; |
| }).join(''); |
| |
| return this; |
| }; |
| |
| /** |
| * This function is executed when the player begins to be dragged. |
| * |
| * @method on_start_drag |
| * @param {Event} event The original browser event |
| * @param {Object} ui A prepared ui object with useful drag-related data |
| */ |
| fn.on_start_drag = function(event, ui) { |
| this.$helper.add(this.$player).add(this.$wrapper).addClass('dragging'); |
| |
| this.highest_col = this.get_highest_occupied_cell().col; |
| |
| this.$player.addClass('player'); |
| this.player_grid_data = this.$player.coords().grid; |
| this.placeholder_grid_data = $.extend({}, this.player_grid_data); |
| |
| this.set_dom_grid_height(this.$el.height() + |
| (this.player_grid_data.size_y * this.min_widget_height)); |
| |
| this.set_dom_grid_width(this.cols); |
| |
| var pgd_sizex = this.player_grid_data.size_x; |
| var cols_diff = this.cols - this.highest_col; |
| |
| if (this.options.autogrow_cols && cols_diff <= pgd_sizex) { |
| this.add_faux_cols(Math.min(pgd_sizex - cols_diff, 1)); |
| } |
| |
| var colliders = this.faux_grid; |
| var coords = this.$player.data('coords').coords; |
| |
| this.cells_occupied_by_player = this.get_cells_occupied( |
| this.player_grid_data); |
| this.cells_occupied_by_placeholder = this.get_cells_occupied( |
| this.placeholder_grid_data); |
| |
| this.last_cols = []; |
| this.last_rows = []; |
| |
| // see jquery.collision.js |
| this.collision_api = this.$helper.collision( |
| colliders, this.options.collision); |
| |
| this.$preview_holder = $('<' + this.$player.get(0).tagName + ' />', { |
| 'class': 'preview-holder', |
| 'data-row': this.$player.attr('data-row'), |
| 'data-col': this.$player.attr('data-col'), |
| css: { |
| width: coords.width, |
| height: coords.height |
| } |
| }).appendTo(this.$el); |
| |
| if (this.options.draggable.start) { |
| this.options.draggable.start.call(this, event, ui); |
| } |
| }; |
| |
| |
| /** |
| * This function is executed when the player is being dragged. |
| * |
| * @method on_drag |
| * @param {Event} event The original browser event |
| * @param {Object} ui A prepared ui object with useful drag-related data |
| */ |
| fn.on_drag = function(event, ui) { |
| //break if dragstop has been fired |
| if (this.$player === null) { |
| return false; |
| } |
| |
| var abs_offset = { |
| left: ui.position.left + this.baseX, |
| top: ui.position.top + this.baseY |
| }; |
| |
| // auto grow cols |
| if (this.options.autogrow_cols) { |
| var prcol = this.placeholder_grid_data.col + |
| this.placeholder_grid_data.size_x - 1; |
| |
| // "- 1" due to adding at least 1 column in on_start_drag |
| if (prcol >= this.cols - 1 && this.options.max_cols >= this.cols + 1) { |
| this.add_faux_cols(1); |
| this.set_dom_grid_width(this.cols + 1); |
| this.drag_api.set_limits(this.container_width); |
| } |
| |
| this.collision_api.set_colliders(this.faux_grid); |
| } |
| |
| this.colliders_data = this.collision_api.get_closest_colliders( |
| abs_offset); |
| |
| this.on_overlapped_column_change( |
| this.on_start_overlapping_column, this.on_stop_overlapping_column); |
| |
| this.on_overlapped_row_change( |
| this.on_start_overlapping_row, this.on_stop_overlapping_row); |
| |
| |
| if (this.helper && this.$player) { |
| this.$player.css({ |
| 'left': ui.position.left, |
| 'top': ui.position.top |
| }); |
| } |
| |
| if (this.options.draggable.drag) { |
| this.options.draggable.drag.call(this, event, ui); |
| } |
| }; |
| |
| |
| /** |
| * This function is executed when the player stops being dragged. |
| * |
| * @method on_stop_drag |
| * @param {Event} event The original browser event |
| * @param {Object} ui A prepared ui object with useful drag-related data |
| */ |
| fn.on_stop_drag = function(event, ui) { |
| this.$helper.add(this.$player).add(this.$wrapper) |
| .removeClass('dragging'); |
| |
| ui.position.left = ui.position.left + this.baseX; |
| ui.position.top = ui.position.top + this.baseY; |
| this.colliders_data = this.collision_api.get_closest_colliders( |
| ui.position); |
| |
| this.on_overlapped_column_change( |
| this.on_start_overlapping_column, |
| this.on_stop_overlapping_column |
| ); |
| |
| this.on_overlapped_row_change( |
| this.on_start_overlapping_row, |
| this.on_stop_overlapping_row |
| ); |
| |
| this.$player.addClass('player-revert').removeClass('player') |
| .attr({ |
| 'data-col': this.placeholder_grid_data.col, |
| 'data-row': this.placeholder_grid_data.row |
| }).css({ |
| 'left': '', |
| 'top': '' |
| }); |
| |
| this.$changed = this.$changed.add(this.$player); |
| |
| this.cells_occupied_by_player = this.get_cells_occupied( |
| this.placeholder_grid_data); |
| this.set_cells_player_occupies( |
| this.placeholder_grid_data.col, this.placeholder_grid_data.row); |
| |
| this.$player.coords().grid.row = this.placeholder_grid_data.row; |
| this.$player.coords().grid.col = this.placeholder_grid_data.col; |
| |
| if (this.options.draggable.stop) { |
| this.options.draggable.stop.call(this, event, ui); |
| } |
| |
| this.$preview_holder.remove(); |
| |
| this.$player = null; |
| this.$helper = null; |
| this.placeholder_grid_data = {}; |
| this.player_grid_data = {}; |
| this.cells_occupied_by_placeholder = {}; |
| this.cells_occupied_by_player = {}; |
| |
| this.set_dom_grid_height(); |
| this.set_dom_grid_width(); |
| |
| if (this.options.autogrow_cols) { |
| this.drag_api.set_limits(this.cols * this.min_widget_width); |
| } |
| }; |
| |
| |
| /** |
| * This function is executed every time a widget starts to be resized. |
| * |
| * @method on_start_resize |
| * @param {Event} event The original browser event |
| * @param {Object} ui A prepared ui object with useful drag-related data |
| */ |
| fn.on_start_resize = function(event, ui) { |
| this.$resized_widget = ui.$player.closest('.gs-w'); |
| this.resize_coords = this.$resized_widget.coords(); |
| this.resize_wgd = this.resize_coords.grid; |
| this.resize_initial_width = this.resize_coords.coords.width; |
| this.resize_initial_height = this.resize_coords.coords.height; |
| this.resize_initial_sizex = this.resize_coords.grid.size_x; |
| this.resize_initial_sizey = this.resize_coords.grid.size_y; |
| this.resize_initial_col = this.resize_coords.grid.col; |
| this.resize_last_sizex = this.resize_initial_sizex; |
| this.resize_last_sizey = this.resize_initial_sizey; |
| |
| this.resize_max_size_x = Math.min(this.resize_wgd.max_size_x || |
| this.options.resize.max_size[0], |
| this.options.max_cols - this.resize_initial_col + 1); |
| this.resize_max_size_y = this.resize_wgd.max_size_y || |
| this.options.resize.max_size[1]; |
| |
| this.resize_min_size_x = (this.resize_wgd.min_size_x || |
| this.options.resize.min_size[0] || 1); |
| this.resize_min_size_y = (this.resize_wgd.min_size_y || |
| this.options.resize.min_size[1] || 1); |
| |
| this.resize_initial_last_col = this.get_highest_occupied_cell().col; |
| |
| this.set_dom_grid_width(this.cols); |
| |
| this.resize_dir = { |
| right: ui.$player.is('.' + this.resize_handle_class + '-x'), |
| bottom: ui.$player.is('.' + this.resize_handle_class + '-y') |
| }; |
| |
| this.$resized_widget.css({ |
| 'min-width': this.options.widget_base_dimensions[0], |
| 'min-height': this.options.widget_base_dimensions[1] |
| }); |
| |
| var nodeName = this.$resized_widget.get(0).tagName; |
| this.$resize_preview_holder = $('<' + nodeName + ' />', { |
| 'class': 'preview-holder resize-preview-holder', |
| 'data-row': this.$resized_widget.attr('data-row'), |
| 'data-col': this.$resized_widget.attr('data-col'), |
| 'css': { |
| 'width': this.resize_initial_width, |
| 'height': this.resize_initial_height |
| } |
| }).appendTo(this.$el); |
| |
| this.$resized_widget.addClass('resizing'); |
| |
| if (this.options.resize.start) { |
| this.options.resize.start.call(this, event, ui, this.$resized_widget); |
| } |
| |
| this.$el.trigger('gridster:resizestart'); |
| }; |
| |
| |
| /** |
| * This function is executed every time a widget stops being resized. |
| * |
| * @method on_stop_resize |
| * @param {Event} event The original browser event |
| * @param {Object} ui A prepared ui object with useful drag-related data |
| */ |
| fn.on_stop_resize = function(event, ui) { |
| this.$resized_widget |
| .removeClass('resizing') |
| .css({ |
| 'width': '', |
| 'height': '' |
| }); |
| |
| delay($.proxy(function() { |
| this.$resize_preview_holder |
| .remove() |
| .css({ |
| 'min-width': '', |
| 'min-height': '' |
| }); |
| |
| if (this.options.resize.stop) { |
| this.options.resize.stop.call(this, event, ui, this.$resized_widget); |
| } |
| |
| this.$el.trigger('gridster:resizestop'); |
| }, this), 300); |
| |
| this.set_dom_grid_width(); |
| |
| if (this.options.autogrow_cols) { |
| this.drag_api.set_limits(this.cols * this.min_widget_width); |
| } |
| }; |
| |
| |
| /** |
| * This function is executed when a widget is being resized. |
| * |
| * @method on_resize |
| * @param {Event} event The original browser event |
| * @param {Object} ui A prepared ui object with useful drag-related data |
| */ |
| fn.on_resize = function(event, ui) { |
| var rel_x = (ui.pointer.diff_left); |
| var rel_y = (ui.pointer.diff_top); |
| var wbd_x = this.options.widget_base_dimensions[0]; |
| var wbd_y = this.options.widget_base_dimensions[1]; |
| var margin_x = this.options.widget_margins[0]; |
| var margin_y = this.options.widget_margins[1]; |
| var max_size_x = this.resize_max_size_x; |
| var min_size_x = this.resize_min_size_x; |
| var max_size_y = this.resize_max_size_y; |
| var min_size_y = this.resize_min_size_y; |
| var autogrow = this.options.autogrow_cols; |
| var width; |
| var max_width = Infinity; |
| var max_height = Infinity; |
| |
| var inc_units_x = Math.ceil((rel_x / (wbd_x + margin_x * 2)) - 0.2); |
| var inc_units_y = Math.ceil((rel_y / (wbd_y + margin_y * 2)) - 0.2); |
| |
| var size_x = Math.max(1, this.resize_initial_sizex + inc_units_x); |
| var size_y = Math.max(1, this.resize_initial_sizey + inc_units_y); |
| |
| var max_cols = (this.container_width / this.min_widget_width) - |
| this.resize_initial_col + 1; |
| var limit_width = ((max_cols * this.min_widget_width) - margin_x * 2); |
| |
| size_x = Math.max(Math.min(size_x, max_size_x), min_size_x); |
| size_x = Math.min(max_cols, size_x); |
| width = (max_size_x * wbd_x) + ((size_x - 1) * margin_x * 2); |
| max_width = Math.min(width, limit_width); |
| min_width = (min_size_x * wbd_x) + ((size_x - 1) * margin_x * 2); |
| |
| size_y = Math.max(Math.min(size_y, max_size_y), min_size_y); |
| max_height = (max_size_y * wbd_y) + ((size_y - 1) * margin_y * 2); |
| min_height = (min_size_y * wbd_y) + ((size_y - 1) * margin_y * 2); |
| |
| if (this.resize_dir.right) { |
| size_y = this.resize_initial_sizey; |
| } else if (this.resize_dir.bottom) { |
| size_x = this.resize_initial_sizex; |
| } |
| |
| if (autogrow) { |
| var last_widget_col = this.resize_initial_col + size_x - 1; |
| if (autogrow && this.resize_initial_last_col <= last_widget_col) { |
| this.set_dom_grid_width(Math.max(last_widget_col + 1, this.cols)); |
| |
| if (this.cols < last_widget_col) { |
| this.add_faux_cols(last_widget_col - this.cols); |
| } |
| } |
| } |
| |
| var css_props = {}; |
| !this.resize_dir.bottom && (css_props.width = Math.max(Math.min( |
| this.resize_initial_width + rel_x, max_width), min_width)); |
| !this.resize_dir.right && (css_props.height = Math.max(Math.min( |
| this.resize_initial_height + rel_y, max_height), min_height)); |
| |
| this.$resized_widget.css(css_props); |
| |
| if (size_x !== this.resize_last_sizex || |
| size_y !== this.resize_last_sizey) { |
| |
| this.resize_widget(this.$resized_widget, size_x, size_y); |
| this.set_dom_grid_width(this.cols); |
| |
| this.$resize_preview_holder.css({ |
| 'width': '', |
| 'height': '' |
| }).attr({ |
| 'data-row': this.$resized_widget.attr('data-row'), |
| 'data-sizex': size_x, |
| 'data-sizey': size_y |
| }); |
| } |
| |
| if (this.options.resize.resize) { |
| this.options.resize.resize.call(this, event, ui, this.$resized_widget); |
| } |
| |
| this.$el.trigger('gridster:resize'); |
| |
| this.resize_last_sizex = size_x; |
| this.resize_last_sizey = size_y; |
| }; |
| |
| |
| /** |
| * Executes the callbacks passed as arguments when a column begins to be |
| * overlapped or stops being overlapped. |
| * |
| * @param {Function} start_callback Function executed when a new column |
| * begins to be overlapped. The column is passed as first argument. |
| * @param {Function} stop_callback Function executed when a column stops |
| * being overlapped. The column is passed as first argument. |
| * @method on_overlapped_column_change |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.on_overlapped_column_change = function(start_callback, stop_callback) { |
| if (!this.colliders_data.length) { |
| return this; |
| } |
| var cols = this.get_targeted_columns( |
| this.colliders_data[0].el.data.col); |
| |
| var last_n_cols = this.last_cols.length; |
| var n_cols = cols.length; |
| var i; |
| |
| for (i = 0; i < n_cols; i++) { |
| if ($.inArray(cols[i], this.last_cols) === -1) { |
| (start_callback || $.noop).call(this, cols[i]); |
| } |
| } |
| |
| for (i = 0; i< last_n_cols; i++) { |
| if ($.inArray(this.last_cols[i], cols) === -1) { |
| (stop_callback || $.noop).call(this, this.last_cols[i]); |
| } |
| } |
| |
| this.last_cols = cols; |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Executes the callbacks passed as arguments when a row starts to be |
| * overlapped or stops being overlapped. |
| * |
| * @param {Function} start_callback Function executed when a new row begins |
| * to be overlapped. The row is passed as first argument. |
| * @param {Function} end_callback Function executed when a row stops being |
| * overlapped. The row is passed as first argument. |
| * @method on_overlapped_row_change |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.on_overlapped_row_change = function(start_callback, end_callback) { |
| if (!this.colliders_data.length) { |
| return this; |
| } |
| var rows = this.get_targeted_rows(this.colliders_data[0].el.data.row); |
| var last_n_rows = this.last_rows.length; |
| var n_rows = rows.length; |
| var i; |
| |
| for (i = 0; i < n_rows; i++) { |
| if ($.inArray(rows[i], this.last_rows) === -1) { |
| (start_callback || $.noop).call(this, rows[i]); |
| } |
| } |
| |
| for (i = 0; i < last_n_rows; i++) { |
| if ($.inArray(this.last_rows[i], rows) === -1) { |
| (end_callback || $.noop).call(this, this.last_rows[i]); |
| } |
| } |
| |
| this.last_rows = rows; |
| }; |
| |
| |
| /** |
| * Sets the current position of the player |
| * |
| * @param {Number} col |
| * @param {Number} row |
| * @param {Boolean} no_player |
| * @method set_player |
| * @return {object} |
| */ |
| fn.set_player = function(col, row, no_player) { |
| var self = this; |
| if (!no_player) { |
| this.empty_cells_player_occupies(); |
| } |
| var cell = !no_player ? self.colliders_data[0].el.data : {col: col}; |
| var to_col = cell.col; |
| var to_row = row || cell.row; |
| |
| this.player_grid_data = { |
| col: to_col, |
| row: to_row, |
| size_y : this.player_grid_data.size_y, |
| size_x : this.player_grid_data.size_x |
| }; |
| |
| this.cells_occupied_by_player = this.get_cells_occupied( |
| this.player_grid_data); |
| |
| var $overlapped_widgets = this.get_widgets_overlapped( |
| this.player_grid_data); |
| |
| var constraints = this.widgets_constraints($overlapped_widgets); |
| |
| this.manage_movements(constraints.can_go_up, to_col, to_row); |
| this.manage_movements(constraints.can_not_go_up, to_col, to_row); |
| |
| /* if there is not widgets overlapping in the new player position, |
| * update the new placeholder position. */ |
| if (!$overlapped_widgets.length) { |
| var pp = this.can_go_player_up(this.player_grid_data); |
| if (pp !== false) { |
| to_row = pp; |
| } |
| this.set_placeholder(to_col, to_row); |
| } |
| |
| return { |
| col: to_col, |
| row: to_row |
| }; |
| }; |
| |
| |
| /** |
| * See which of the widgets in the $widgets param collection can go to |
| * a upper row and which not. |
| * |
| * @method widgets_contraints |
| * @param {jQuery} $widgets A jQuery wrapped collection of |
| * HTMLElements. |
| * @return {object} Returns a literal Object with two keys: `can_go_up` & |
| * `can_not_go_up`. Each contains a set of HTMLElements. |
| */ |
| fn.widgets_constraints = function($widgets) { |
| var $widgets_can_go_up = $([]); |
| var $widgets_can_not_go_up; |
| var wgd_can_go_up = []; |
| var wgd_can_not_go_up = []; |
| |
| $widgets.each($.proxy(function(i, w) { |
| var $w = $(w); |
| var wgd = $w.coords().grid; |
| if (this.can_go_widget_up(wgd)) { |
| $widgets_can_go_up = $widgets_can_go_up.add($w); |
| wgd_can_go_up.push(wgd); |
| } else { |
| wgd_can_not_go_up.push(wgd); |
| } |
| }, this)); |
| |
| $widgets_can_not_go_up = $widgets.not($widgets_can_go_up); |
| |
| return { |
| can_go_up: Gridster.sort_by_row_asc(wgd_can_go_up), |
| can_not_go_up: Gridster.sort_by_row_desc(wgd_can_not_go_up) |
| }; |
| }; |
| |
| |
| /** |
| * Sorts an Array of grid coords objects (representing the grid coords of |
| * each widget) in descending way. |
| * |
| * @method manage_movements |
| * @param {jQuery} $widgets A jQuery collection of HTMLElements |
| * representing the widgets you want to move. |
| * @param {Number} to_col The column to which we want to move the widgets. |
| * @param {Number} to_row The row to which we want to move the widgets. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.manage_movements = function($widgets, to_col, to_row) { |
| $.each($widgets, $.proxy(function(i, w) { |
| var wgd = w; |
| var $w = wgd.el; |
| |
| var can_go_widget_up = this.can_go_widget_up(wgd); |
| |
| if (can_go_widget_up) { |
| //target CAN go up |
| //so move widget up |
| this.move_widget_to($w, can_go_widget_up); |
| this.set_placeholder(to_col, can_go_widget_up + wgd.size_y); |
| |
| } else { |
| //target can't go up |
| var can_go_player_up = this.can_go_player_up( |
| this.player_grid_data); |
| |
| if (!can_go_player_up) { |
| // target can't go up |
| // player cant't go up |
| // so we need to move widget down to a position that dont |
| // overlaps player |
| var y = (to_row + this.player_grid_data.size_y) - wgd.row; |
| |
| this.move_widget_down($w, y); |
| this.set_placeholder(to_col, to_row); |
| } |
| } |
| }, this)); |
| |
| return this; |
| }; |
| |
| /** |
| * Determines if there is a widget in the row and col given. Or if the |
| * HTMLElement passed as first argument is the player. |
| * |
| * @method is_player |
| * @param {Number|HTMLElement} col_or_el A jQuery wrapped collection of |
| * HTMLElements. |
| * @param {Number} [row] The column to which we want to move the widgets. |
| * @return {Boolean} Returns true or false. |
| */ |
| fn.is_player = function(col_or_el, row) { |
| if (row && !this.gridmap[col_or_el]) { return false; } |
| var $w = row ? this.gridmap[col_or_el][row] : col_or_el; |
| return $w && ($w.is(this.$player) || $w.is(this.$helper)); |
| }; |
| |
| |
| /** |
| * Determines if the widget that is being dragged is currently over the row |
| * and col given. |
| * |
| * @method is_player_in |
| * @param {Number} col The column to check. |
| * @param {Number} row The row to check. |
| * @return {Boolean} Returns true or false. |
| */ |
| fn.is_player_in = function(col, row) { |
| var c = this.cells_occupied_by_player || {}; |
| return $.inArray(col, c.cols) >= 0 && $.inArray(row, c.rows) >= 0; |
| }; |
| |
| |
| /** |
| * Determines if the placeholder is currently over the row and col given. |
| * |
| * @method is_placeholder_in |
| * @param {Number} col The column to check. |
| * @param {Number} row The row to check. |
| * @return {Boolean} Returns true or false. |
| */ |
| fn.is_placeholder_in = function(col, row) { |
| var c = this.cells_occupied_by_placeholder || {}; |
| return this.is_placeholder_in_col(col) && $.inArray(row, c.rows) >= 0; |
| }; |
| |
| |
| /** |
| * Determines if the placeholder is currently over the column given. |
| * |
| * @method is_placeholder_in_col |
| * @param {Number} col The column to check. |
| * @return {Boolean} Returns true or false. |
| */ |
| fn.is_placeholder_in_col = function(col) { |
| var c = this.cells_occupied_by_placeholder || []; |
| return $.inArray(col, c.cols) >= 0; |
| }; |
| |
| |
| /** |
| * Determines if the cell represented by col and row params is empty. |
| * |
| * @method is_empty |
| * @param {Number} col The column to check. |
| * @param {Number} row The row to check. |
| * @return {Boolean} Returns true or false. |
| */ |
| fn.is_empty = function(col, row) { |
| if (typeof this.gridmap[col] !== 'undefined') { |
| if(typeof this.gridmap[col][row] !== 'undefined' && |
| this.gridmap[col][row] === false |
| ) { |
| return true; |
| } |
| return false; |
| } |
| return true; |
| }; |
| |
| |
| /** |
| * Determines if the cell represented by col and row params is occupied. |
| * |
| * @method is_occupied |
| * @param {Number} col The column to check. |
| * @param {Number} row The row to check. |
| * @return {Boolean} Returns true or false. |
| */ |
| fn.is_occupied = function(col, row) { |
| if (!this.gridmap[col]) { |
| return false; |
| } |
| |
| if (this.gridmap[col][row]) { |
| return true; |
| } |
| return false; |
| }; |
| |
| |
| /** |
| * Determines if there is a widget in the cell represented by col/row params. |
| * |
| * @method is_widget |
| * @param {Number} col The column to check. |
| * @param {Number} row The row to check. |
| * @return {Boolean|HTMLElement} Returns false if there is no widget, |
| * else returns the jQuery HTMLElement |
| */ |
| fn.is_widget = function(col, row) { |
| var cell = this.gridmap[col]; |
| if (!cell) { |
| return false; |
| } |
| |
| cell = cell[row]; |
| |
| if (cell) { |
| return cell; |
| } |
| |
| return false; |
| }; |
| |
| |
| /** |
| * Determines if there is a widget in the cell represented by col/row |
| * params and if this is under the widget that is being dragged. |
| * |
| * @method is_widget_under_player |
| * @param {Number} col The column to check. |
| * @param {Number} row The row to check. |
| * @return {Boolean} Returns true or false. |
| */ |
| fn.is_widget_under_player = function(col, row) { |
| if (this.is_widget(col, row)) { |
| return this.is_player_in(col, row); |
| } |
| return false; |
| }; |
| |
| |
| /** |
| * Get widgets overlapping with the player or with the object passed |
| * representing the grid cells. |
| * |
| * @method get_widgets_under_player |
| * @return {HTMLElement} Returns a jQuery collection of HTMLElements |
| */ |
| fn.get_widgets_under_player = function(cells) { |
| cells || (cells = this.cells_occupied_by_player || {cols: [], rows: []}); |
| var $widgets = $([]); |
| |
| $.each(cells.cols, $.proxy(function(i, col) { |
| $.each(cells.rows, $.proxy(function(i, row) { |
| if(this.is_widget(col, row)) { |
| $widgets = $widgets.add(this.gridmap[col][row]); |
| } |
| }, this)); |
| }, this)); |
| |
| return $widgets; |
| }; |
| |
| |
| /** |
| * Put placeholder at the row and column specified. |
| * |
| * @method set_placeholder |
| * @param {Number} col The column to which we want to move the |
| * placeholder. |
| * @param {Number} row The row to which we want to move the |
| * placeholder. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.set_placeholder = function(col, row) { |
| var phgd = $.extend({}, this.placeholder_grid_data); |
| var $nexts = this.widgets_below({ |
| col: phgd.col, |
| row: phgd.row, |
| size_y: phgd.size_y, |
| size_x: phgd.size_x |
| }); |
| |
| // Prevents widgets go out of the grid |
| var right_col = (col + phgd.size_x - 1); |
| if (right_col > this.cols) { |
| col = col - (right_col - col); |
| } |
| |
| var moved_down = this.placeholder_grid_data.row < row; |
| var changed_column = this.placeholder_grid_data.col !== col; |
| |
| this.placeholder_grid_data.col = col; |
| this.placeholder_grid_data.row = row; |
| |
| this.cells_occupied_by_placeholder = this.get_cells_occupied( |
| this.placeholder_grid_data); |
| |
| this.$preview_holder.attr({ |
| 'data-row' : row, |
| 'data-col' : col |
| }); |
| |
| if (moved_down || changed_column) { |
| $nexts.each($.proxy(function(i, widget) { |
| this.move_widget_up( |
| $(widget), this.placeholder_grid_data.col - col + phgd.size_y); |
| }, this)); |
| } |
| |
| var $widgets_under_ph = this.get_widgets_under_player( |
| this.cells_occupied_by_placeholder); |
| |
| if ($widgets_under_ph.length) { |
| $widgets_under_ph.each($.proxy(function(i, widget) { |
| var $w = $(widget); |
| this.move_widget_down( |
| $w, row + phgd.size_y - $w.data('coords').grid.row); |
| }, this)); |
| } |
| |
| }; |
| |
| |
| /** |
| * Determines whether the player can move to a position above. |
| * |
| * @method can_go_player_up |
| * @param {Object} widget_grid_data The actual grid coords object of the |
| * player. |
| * @return {Number|Boolean} If the player can be moved to an upper row |
| * returns the row number, else returns false. |
| */ |
| fn.can_go_player_up = function(widget_grid_data) { |
| var p_bottom_row = widget_grid_data.row + widget_grid_data.size_y - 1; |
| var result = true; |
| var upper_rows = []; |
| var min_row = 10000; |
| var $widgets_under_player = this.get_widgets_under_player(); |
| |
| /* generate an array with columns as index and array with upper rows |
| * empty as value */ |
| this.for_each_column_occupied(widget_grid_data, function(tcol) { |
| var grid_col = this.gridmap[tcol]; |
| var r = p_bottom_row + 1; |
| upper_rows[tcol] = []; |
| |
| while (--r > 0) { |
| if (this.is_empty(tcol, r) || this.is_player(tcol, r) || |
| this.is_widget(tcol, r) && |
| grid_col[r].is($widgets_under_player) |
| ) { |
| upper_rows[tcol].push(r); |
| min_row = r < min_row ? r : min_row; |
| } else { |
| break; |
| } |
| } |
| |
| if (upper_rows[tcol].length === 0) { |
| result = false; |
| return true; //break |
| } |
| |
| upper_rows[tcol].sort(function(a, b) { |
| return a - b; |
| }); |
| }); |
| |
| if (!result) { return false; } |
| |
| return this.get_valid_rows(widget_grid_data, upper_rows, min_row); |
| }; |
| |
| |
| /** |
| * Determines whether a widget can move to a position above. |
| * |
| * @method can_go_widget_up |
| * @param {Object} widget_grid_data The actual grid coords object of the |
| * widget we want to check. |
| * @return {Number|Boolean} If the widget can be moved to an upper row |
| * returns the row number, else returns false. |
| */ |
| fn.can_go_widget_up = function(widget_grid_data) { |
| var p_bottom_row = widget_grid_data.row + widget_grid_data.size_y - 1; |
| var result = true; |
| var upper_rows = []; |
| var min_row = 10000; |
| |
| /* generate an array with columns as index and array with topmost rows |
| * empty as value */ |
| this.for_each_column_occupied(widget_grid_data, function(tcol) { |
| var grid_col = this.gridmap[tcol]; |
| upper_rows[tcol] = []; |
| |
| var r = p_bottom_row + 1; |
| // iterate over each row |
| while (--r > 0) { |
| if (this.is_widget(tcol, r) && !this.is_player_in(tcol, r)) { |
| if (!grid_col[r].is(widget_grid_data.el)) { |
| break; |
| } |
| } |
| |
| if (!this.is_player(tcol, r) && |
| !this.is_placeholder_in(tcol, r) && |
| !this.is_player_in(tcol, r)) { |
| upper_rows[tcol].push(r); |
| } |
| |
| if (r < min_row) { |
| min_row = r; |
| } |
| } |
| |
| if (upper_rows[tcol].length === 0) { |
| result = false; |
| return true; //break |
| } |
| |
| upper_rows[tcol].sort(function(a, b) { |
| return a - b; |
| }); |
| }); |
| |
| if (!result) { return false; } |
| |
| return this.get_valid_rows(widget_grid_data, upper_rows, min_row); |
| }; |
| |
| |
| /** |
| * Search a valid row for the widget represented by `widget_grid_data' in |
| * the `upper_rows` array. Iteration starts from row specified in `min_row`. |
| * |
| * @method get_valid_rows |
| * @param {Object} widget_grid_data The actual grid coords object of the |
| * player. |
| * @param {Array} upper_rows An array with columns as index and arrays |
| * of valid rows as values. |
| * @param {Number} min_row The upper row from which the iteration will start. |
| * @return {Number|Boolean} Returns the upper row valid from the `upper_rows` |
| * for the widget in question. |
| */ |
| fn.get_valid_rows = function(widget_grid_data, upper_rows, min_row) { |
| var p_top_row = widget_grid_data.row; |
| var p_bottom_row = widget_grid_data.row + widget_grid_data.size_y - 1; |
| var size_y = widget_grid_data.size_y; |
| var r = min_row - 1; |
| var valid_rows = []; |
| |
| while (++r <= p_bottom_row ) { |
| var common = true; |
| $.each(upper_rows, function(col, rows) { |
| if ($.isArray(rows) && $.inArray(r, rows) === -1) { |
| common = false; |
| } |
| }); |
| |
| if (common === true) { |
| valid_rows.push(r); |
| if (valid_rows.length === size_y) { |
| break; |
| } |
| } |
| } |
| |
| var new_row = false; |
| if (size_y === 1) { |
| if (valid_rows[0] !== p_top_row) { |
| new_row = valid_rows[0] || false; |
| } |
| } else { |
| if (valid_rows[0] !== p_top_row) { |
| new_row = this.get_consecutive_numbers_index( |
| valid_rows, size_y); |
| } |
| } |
| |
| return new_row; |
| }; |
| |
| |
| fn.get_consecutive_numbers_index = function(arr, size_y) { |
| var max = arr.length; |
| var result = []; |
| var first = true; |
| var prev = -1; // or null? |
| |
| for (var i=0; i < max; i++) { |
| if (first || arr[i] === prev + 1) { |
| result.push(i); |
| if (result.length === size_y) { |
| break; |
| } |
| first = false; |
| } else { |
| result = []; |
| first = true; |
| } |
| |
| prev = arr[i]; |
| } |
| |
| return result.length >= size_y ? arr[result[0]] : false; |
| }; |
| |
| |
| /** |
| * Get widgets overlapping with the player. |
| * |
| * @method get_widgets_overlapped |
| * @return {jQuery} Returns a jQuery collection of HTMLElements. |
| */ |
| fn.get_widgets_overlapped = function() { |
| var $w; |
| var $widgets = $([]); |
| var used = []; |
| var rows_from_bottom = this.cells_occupied_by_player.rows.slice(0); |
| rows_from_bottom.reverse(); |
| |
| $.each(this.cells_occupied_by_player.cols, $.proxy(function(i, col) { |
| $.each(rows_from_bottom, $.proxy(function(i, row) { |
| // if there is a widget in the player position |
| if (!this.gridmap[col]) { return true; } //next iteration |
| var $w = this.gridmap[col][row]; |
| if (this.is_occupied(col, row) && !this.is_player($w) && |
| $.inArray($w, used) === -1 |
| ) { |
| $widgets = $widgets.add($w); |
| used.push($w); |
| } |
| |
| }, this)); |
| }, this)); |
| |
| return $widgets; |
| }; |
| |
| |
| /** |
| * This callback is executed when the player begins to collide with a column. |
| * |
| * @method on_start_overlapping_column |
| * @param {Number} col The collided column. |
| * @return {jQuery} Returns a jQuery collection of HTMLElements. |
| */ |
| fn.on_start_overlapping_column = function(col) { |
| this.set_player(col, false); |
| }; |
| |
| |
| /** |
| * A callback executed when the player begins to collide with a row. |
| * |
| * @method on_start_overlapping_row |
| * @param {Number} row The collided row. |
| * @return {jQuery} Returns a jQuery collection of HTMLElements. |
| */ |
| fn.on_start_overlapping_row = function(row) { |
| this.set_player(false, row); |
| }; |
| |
| |
| /** |
| * A callback executed when the the player ends to collide with a column. |
| * |
| * @method on_stop_overlapping_column |
| * @param {Number} col The collided row. |
| * @return {jQuery} Returns a jQuery collection of HTMLElements. |
| */ |
| fn.on_stop_overlapping_column = function(col) { |
| this.set_player(col, false); |
| |
| var self = this; |
| this.for_each_widget_below(col, this.cells_occupied_by_player.rows[0], |
| function(tcol, trow) { |
| self.move_widget_up(this, self.player_grid_data.size_y); |
| }); |
| }; |
| |
| |
| /** |
| * This callback is executed when the player ends to collide with a row. |
| * |
| * @method on_stop_overlapping_row |
| * @param {Number} row The collided row. |
| * @return {jQuery} Returns a jQuery collection of HTMLElements. |
| */ |
| fn.on_stop_overlapping_row = function(row) { |
| this.set_player(false, row); |
| |
| var self = this; |
| var cols = this.cells_occupied_by_player.cols; |
| for (var c = 0, cl = cols.length; c < cl; c++) { |
| this.for_each_widget_below(cols[c], row, function(tcol, trow) { |
| self.move_widget_up(this, self.player_grid_data.size_y); |
| }); |
| } |
| }; |
| |
| |
| /** |
| * Move a widget to a specific row. The cell or cells must be empty. |
| * If the widget has widgets below, all of these widgets will be moved also |
| * if they can. |
| * |
| * @method move_widget_to |
| * @param {HTMLElement} $widget The jQuery wrapped HTMLElement of the |
| * widget is going to be moved. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.move_widget_to = function($widget, row) { |
| var self = this; |
| var widget_grid_data = $widget.coords().grid; |
| var diff = row - widget_grid_data.row; |
| var $next_widgets = this.widgets_below($widget); |
| |
| var can_move_to_new_cell = this.can_move_to( |
| widget_grid_data, widget_grid_data.col, row, $widget); |
| |
| if (can_move_to_new_cell === false) { |
| return false; |
| } |
| |
| this.remove_from_gridmap(widget_grid_data); |
| widget_grid_data.row = row; |
| this.add_to_gridmap(widget_grid_data); |
| $widget.attr('data-row', row); |
| this.$changed = this.$changed.add($widget); |
| |
| |
| $next_widgets.each(function(i, widget) { |
| var $w = $(widget); |
| var wgd = $w.coords().grid; |
| var can_go_up = self.can_go_widget_up(wgd); |
| if (can_go_up && can_go_up !== wgd.row) { |
| self.move_widget_to($w, can_go_up); |
| } |
| }); |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Move up the specified widget and all below it. |
| * |
| * @method move_widget_up |
| * @param {HTMLElement} $widget The widget you want to move. |
| * @param {Number} [y_units] The number of cells that the widget has to move. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.move_widget_up = function($widget, y_units) { |
| var el_grid_data = $widget.coords().grid; |
| var actual_row = el_grid_data.row; |
| var moved = []; |
| var can_go_up = true; |
| y_units || (y_units = 1); |
| |
| if (!this.can_go_up($widget)) { return false; } //break; |
| |
| this.for_each_column_occupied(el_grid_data, function(col) { |
| // can_go_up |
| if ($.inArray($widget, moved) === -1) { |
| var widget_grid_data = $widget.coords().grid; |
| var next_row = actual_row - y_units; |
| next_row = this.can_go_up_to_row( |
| widget_grid_data, col, next_row); |
| |
| if (!next_row) { |
| return true; |
| } |
| |
| var $next_widgets = this.widgets_below($widget); |
| |
| this.remove_from_gridmap(widget_grid_data); |
| widget_grid_data.row = next_row; |
| this.add_to_gridmap(widget_grid_data); |
| $widget.attr('data-row', widget_grid_data.row); |
| this.$changed = this.$changed.add($widget); |
| |
| moved.push($widget); |
| |
| $next_widgets.each($.proxy(function(i, widget) { |
| this.move_widget_up($(widget), y_units); |
| }, this)); |
| } |
| }); |
| |
| }; |
| |
| |
| /** |
| * Move down the specified widget and all below it. |
| * |
| * @method move_widget_down |
| * @param {jQuery} $widget The jQuery object representing the widget |
| * you want to move. |
| * @param {Number} y_units The number of cells that the widget has to move. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.move_widget_down = function($widget, y_units) { |
| var el_grid_data, actual_row, moved, y_diff; |
| |
| if (y_units <= 0) { return false; } |
| |
| el_grid_data = $widget.coords().grid; |
| actual_row = el_grid_data.row; |
| moved = []; |
| y_diff = y_units; |
| |
| if (!$widget) { return false; } |
| |
| if ($.inArray($widget, moved) === -1) { |
| |
| var widget_grid_data = $widget.coords().grid; |
| var next_row = actual_row + y_units; |
| var $next_widgets = this.widgets_below($widget); |
| |
| this.remove_from_gridmap(widget_grid_data); |
| |
| $next_widgets.each($.proxy(function(i, widget) { |
| var $w = $(widget); |
| var wd = $w.coords().grid; |
| var tmp_y = this.displacement_diff( |
| wd, widget_grid_data, y_diff); |
| |
| if (tmp_y > 0) { |
| this.move_widget_down($w, tmp_y); |
| } |
| }, this)); |
| |
| widget_grid_data.row = next_row; |
| this.update_widget_position(widget_grid_data, $widget); |
| $widget.attr('data-row', widget_grid_data.row); |
| this.$changed = this.$changed.add($widget); |
| |
| moved.push($widget); |
| } |
| }; |
| |
| |
| /** |
| * Check if the widget can move to the specified row, else returns the |
| * upper row possible. |
| * |
| * @method can_go_up_to_row |
| * @param {Number} widget_grid_data The current grid coords object of the |
| * widget. |
| * @param {Number} col The target column. |
| * @param {Number} row The target row. |
| * @return {Boolean|Number} Returns the row number if the widget can move |
| * to the target position, else returns false. |
| */ |
| fn.can_go_up_to_row = function(widget_grid_data, col, row) { |
| var ga = this.gridmap; |
| var result = true; |
| var urc = []; // upper_rows_in_columns |
| var actual_row = widget_grid_data.row; |
| var r; |
| |
| /* generate an array with columns as index and array with |
| * upper rows empty in the column */ |
| this.for_each_column_occupied(widget_grid_data, function(tcol) { |
| var grid_col = ga[tcol]; |
| urc[tcol] = []; |
| |
| r = actual_row; |
| while (r--) { |
| if (this.is_empty(tcol, r) && |
| !this.is_placeholder_in(tcol, r) |
| ) { |
| urc[tcol].push(r); |
| } else { |
| break; |
| } |
| } |
| |
| if (!urc[tcol].length) { |
| result = false; |
| return true; |
| } |
| |
| }); |
| |
| if (!result) { return false; } |
| |
| /* get common rows starting from upper position in all the columns |
| * that widget occupies */ |
| r = row; |
| for (r = 1; r < actual_row; r++) { |
| var common = true; |
| |
| for (var uc = 0, ucl = urc.length; uc < ucl; uc++) { |
| if (urc[uc] && $.inArray(r, urc[uc]) === -1) { |
| common = false; |
| } |
| } |
| |
| if (common === true) { |
| result = r; |
| break; |
| } |
| } |
| |
| return result; |
| }; |
| |
| |
| fn.displacement_diff = function(widget_grid_data, parent_bgd, y_units) { |
| var actual_row = widget_grid_data.row; |
| var diffs = []; |
| var parent_max_y = parent_bgd.row + parent_bgd.size_y; |
| |
| this.for_each_column_occupied(widget_grid_data, function(col) { |
| var temp_y_units = 0; |
| |
| for (var r = parent_max_y; r < actual_row; r++) { |
| if (this.is_empty(col, r)) { |
| temp_y_units = temp_y_units + 1; |
| } |
| } |
| |
| diffs.push(temp_y_units); |
| }); |
| |
| var max_diff = Math.max.apply(Math, diffs); |
| y_units = (y_units - max_diff); |
| |
| return y_units > 0 ? y_units : 0; |
| }; |
| |
| |
| /** |
| * Get widgets below a widget. |
| * |
| * @method widgets_below |
| * @param {HTMLElement} $el The jQuery wrapped HTMLElement. |
| * @return {jQuery} A jQuery collection of HTMLElements. |
| */ |
| fn.widgets_below = function($el) { |
| var el_grid_data = $.isPlainObject($el) ? $el : $el.coords().grid; |
| var self = this; |
| var ga = this.gridmap; |
| var next_row = el_grid_data.row + el_grid_data.size_y - 1; |
| var $nexts = $([]); |
| |
| this.for_each_column_occupied(el_grid_data, function(col) { |
| self.for_each_widget_below(col, next_row, function(tcol, trow) { |
| if (!self.is_player(this) && $.inArray(this, $nexts) === -1) { |
| $nexts = $nexts.add(this); |
| return true; // break |
| } |
| }); |
| }); |
| |
| return Gridster.sort_by_row_asc($nexts); |
| }; |
| |
| |
| /** |
| * Update the array of mapped positions with the new player position. |
| * |
| * @method set_cells_player_occupies |
| * @param {Number} col The new player col. |
| * @param {Number} col The new player row. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.set_cells_player_occupies = function(col, row) { |
| this.remove_from_gridmap(this.placeholder_grid_data); |
| this.placeholder_grid_data.col = col; |
| this.placeholder_grid_data.row = row; |
| this.add_to_gridmap(this.placeholder_grid_data, this.$player); |
| return this; |
| }; |
| |
| |
| /** |
| * Remove from the array of mapped positions the reference to the player. |
| * |
| * @method empty_cells_player_occupies |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.empty_cells_player_occupies = function() { |
| this.remove_from_gridmap(this.placeholder_grid_data); |
| return this; |
| }; |
| |
| |
| fn.can_go_up = function($el) { |
| var el_grid_data = $el.coords().grid; |
| var initial_row = el_grid_data.row; |
| var prev_row = initial_row - 1; |
| var ga = this.gridmap; |
| var upper_rows_by_column = []; |
| |
| var result = true; |
| if (initial_row === 1) { return false; } |
| |
| this.for_each_column_occupied(el_grid_data, function(col) { |
| var $w = this.is_widget(col, prev_row); |
| |
| if (this.is_occupied(col, prev_row) || |
| this.is_player(col, prev_row) || |
| this.is_placeholder_in(col, prev_row) || |
| this.is_player_in(col, prev_row) |
| ) { |
| result = false; |
| return true; //break |
| } |
| }); |
| |
| return result; |
| }; |
| |
| |
| /** |
| * Check if it's possible to move a widget to a specific col/row. It takes |
| * into account the dimensions (`size_y` and `size_x` attrs. of the grid |
| * coords object) the widget occupies. |
| * |
| * @method can_move_to |
| * @param {Object} widget_grid_data The grid coords object that represents |
| * the widget. |
| * @param {Object} col The col to check. |
| * @param {Object} row The row to check. |
| * @param {Number} [max_row] The max row allowed. |
| * @return {Boolean} Returns true if all cells are empty, else return false. |
| */ |
| fn.can_move_to = function(widget_grid_data, col, row, max_row) { |
| var ga = this.gridmap; |
| var $w = widget_grid_data.el; |
| var future_wd = { |
| size_y: widget_grid_data.size_y, |
| size_x: widget_grid_data.size_x, |
| col: col, |
| row: row |
| }; |
| var result = true; |
| |
| //Prevents widgets go out of the grid |
| var right_col = col + widget_grid_data.size_x - 1; |
| if (right_col > this.cols) { |
| return false; |
| } |
| |
| if (max_row && max_row < row + widget_grid_data.size_y - 1) { |
| return false; |
| } |
| |
| this.for_each_cell_occupied(future_wd, function(tcol, trow) { |
| var $tw = this.is_widget(tcol, trow); |
| if ($tw && (!widget_grid_data.el || $tw.is($w))) { |
| result = false; |
| } |
| }); |
| |
| return result; |
| }; |
| |
| |
| /** |
| * Given the leftmost column returns all columns that are overlapping |
| * with the player. |
| * |
| * @method get_targeted_columns |
| * @param {Number} [from_col] The leftmost column. |
| * @return {Array} Returns an array with column numbers. |
| */ |
| fn.get_targeted_columns = function(from_col) { |
| var max = (from_col || this.player_grid_data.col) + |
| (this.player_grid_data.size_x - 1); |
| var cols = []; |
| for (var col = from_col; col <= max; col++) { |
| cols.push(col); |
| } |
| return cols; |
| }; |
| |
| |
| /** |
| * Given the upper row returns all rows that are overlapping with the player. |
| * |
| * @method get_targeted_rows |
| * @param {Number} [from_row] The upper row. |
| * @return {Array} Returns an array with row numbers. |
| */ |
| fn.get_targeted_rows = function(from_row) { |
| var max = (from_row || this.player_grid_data.row) + |
| (this.player_grid_data.size_y - 1); |
| var rows = []; |
| for (var row = from_row; row <= max; row++) { |
| rows.push(row); |
| } |
| return rows; |
| }; |
| |
| /** |
| * Get all columns and rows that a widget occupies. |
| * |
| * @method get_cells_occupied |
| * @param {Object} el_grid_data The grid coords object of the widget. |
| * @return {Object} Returns an object like `{ cols: [], rows: []}`. |
| */ |
| fn.get_cells_occupied = function(el_grid_data) { |
| var cells = { cols: [], rows: []}; |
| var i; |
| if (arguments[1] instanceof $) { |
| el_grid_data = arguments[1].coords().grid; |
| } |
| |
| for (i = 0; i < el_grid_data.size_x; i++) { |
| var col = el_grid_data.col + i; |
| cells.cols.push(col); |
| } |
| |
| for (i = 0; i < el_grid_data.size_y; i++) { |
| var row = el_grid_data.row + i; |
| cells.rows.push(row); |
| } |
| |
| return cells; |
| }; |
| |
| |
| /** |
| * Iterate over the cells occupied by a widget executing a function for |
| * each one. |
| * |
| * @method for_each_cell_occupied |
| * @param {Object} el_grid_data The grid coords object that represents the |
| * widget. |
| * @param {Function} callback The function to execute on each column |
| * iteration. Column and row are passed as arguments. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.for_each_cell_occupied = function(grid_data, callback) { |
| this.for_each_column_occupied(grid_data, function(col) { |
| this.for_each_row_occupied(grid_data, function(row) { |
| callback.call(this, col, row); |
| }); |
| }); |
| return this; |
| }; |
| |
| |
| /** |
| * Iterate over the columns occupied by a widget executing a function for |
| * each one. |
| * |
| * @method for_each_column_occupied |
| * @param {Object} el_grid_data The grid coords object that represents |
| * the widget. |
| * @param {Function} callback The function to execute on each column |
| * iteration. The column number is passed as first argument. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.for_each_column_occupied = function(el_grid_data, callback) { |
| for (var i = 0; i < el_grid_data.size_x; i++) { |
| var col = el_grid_data.col + i; |
| callback.call(this, col, el_grid_data); |
| } |
| }; |
| |
| |
| /** |
| * Iterate over the rows occupied by a widget executing a function for |
| * each one. |
| * |
| * @method for_each_row_occupied |
| * @param {Object} el_grid_data The grid coords object that represents |
| * the widget. |
| * @param {Function} callback The function to execute on each column |
| * iteration. The row number is passed as first argument. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.for_each_row_occupied = function(el_grid_data, callback) { |
| for (var i = 0; i < el_grid_data.size_y; i++) { |
| var row = el_grid_data.row + i; |
| callback.call(this, row, el_grid_data); |
| } |
| }; |
| |
| |
| |
| fn._traversing_widgets = function(type, direction, col, row, callback) { |
| var ga = this.gridmap; |
| if (!ga[col]) { return; } |
| |
| var cr, max; |
| var action = type + '/' + direction; |
| if (arguments[2] instanceof $) { |
| var el_grid_data = arguments[2].coords().grid; |
| col = el_grid_data.col; |
| row = el_grid_data.row; |
| callback = arguments[3]; |
| } |
| var matched = []; |
| var trow = row; |
| |
| |
| var methods = { |
| 'for_each/above': function() { |
| while (trow--) { |
| if (trow > 0 && this.is_widget(col, trow) && |
| $.inArray(ga[col][trow], matched) === -1 |
| ) { |
| cr = callback.call(ga[col][trow], col, trow); |
| matched.push(ga[col][trow]); |
| if (cr) { break; } |
| } |
| } |
| }, |
| 'for_each/below': function() { |
| for (trow = row + 1, max = ga[col].length; trow < max; trow++) { |
| if (this.is_widget(col, trow) && |
| $.inArray(ga[col][trow], matched) === -1 |
| ) { |
| cr = callback.call(ga[col][trow], col, trow); |
| matched.push(ga[col][trow]); |
| if (cr) { break; } |
| } |
| } |
| } |
| }; |
| |
| if (methods[action]) { |
| methods[action].call(this); |
| } |
| }; |
| |
| |
| /** |
| * Iterate over each widget above the column and row specified. |
| * |
| * @method for_each_widget_above |
| * @param {Number} col The column to start iterating. |
| * @param {Number} row The row to start iterating. |
| * @param {Function} callback The function to execute on each widget |
| * iteration. The value of `this` inside the function is the jQuery |
| * wrapped HTMLElement. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.for_each_widget_above = function(col, row, callback) { |
| this._traversing_widgets('for_each', 'above', col, row, callback); |
| return this; |
| }; |
| |
| |
| /** |
| * Iterate over each widget below the column and row specified. |
| * |
| * @method for_each_widget_below |
| * @param {Number} col The column to start iterating. |
| * @param {Number} row The row to start iterating. |
| * @param {Function} callback The function to execute on each widget |
| * iteration. The value of `this` inside the function is the jQuery wrapped |
| * HTMLElement. |
| * @return {Class} Returns the instance of the Gridster Class. |
| */ |
| fn.for_each_widget_below = function(col, row, callback) { |
| this._traversing_widgets('for_each', 'below', col, row, callback); |
| return this; |
| }; |
| |
| |
| /** |
| * Returns the highest occupied cell in the grid. |
| * |
| * @method get_highest_occupied_cell |
| * @return {Object} Returns an object with `col` and `row` numbers. |
| */ |
| fn.get_highest_occupied_cell = function() { |
| var r; |
| var gm = this.gridmap; |
| var rl = gm[1].length; |
| var rows = [], cols = []; |
| var row_in_col = []; |
| for (var c = gm.length - 1; c >= 1; c--) { |
| for (r = rl - 1; r >= 1; r--) { |
| if (this.is_widget(c, r)) { |
| rows.push(r); |
| cols.push(c); |
| break; |
| } |
| } |
| } |
| |
| return { |
| col: Math.max.apply(Math, cols), |
| row: Math.max.apply(Math, rows) |
| }; |
| }; |
| |
| |
| fn.get_widgets_from = function(col, row) { |
| var ga = this.gridmap; |
| var $widgets = $(); |
| |
| if (col) { |
| $widgets = $widgets.add( |
| this.$widgets.filter(function() { |
| var tcol = $(this).attr('data-col'); |
| return (tcol === col || tcol > col); |
| }) |
| ); |
| } |
| |
| if (row) { |
| $widgets = $widgets.add( |
| this.$widgets.filter(function() { |
| var trow = $(this).attr('data-row'); |
| return (trow === row || trow > row); |
| }) |
| ); |
| } |
| |
| return $widgets; |
| }; |
| |
| |
| /** |
| * Set the current height of the parent grid. |
| * |
| * @method set_dom_grid_height |
| * @return {Object} Returns the instance of the Gridster class. |
| */ |
| fn.set_dom_grid_height = function(height) { |
| if (typeof height === 'undefined') { |
| var r = this.get_highest_occupied_cell().row; |
| height = r * this.min_widget_height; |
| } |
| |
| this.container_height = height; |
| this.$el.css('height', this.container_height); |
| return this; |
| }; |
| |
| /** |
| * Set the current width of the parent grid. |
| * |
| * @method set_dom_grid_width |
| * @return {Object} Returns the instance of the Gridster class. |
| */ |
| fn.set_dom_grid_width = function(cols) { |
| if (typeof cols === 'undefined') { |
| cols = this.get_highest_occupied_cell().col; |
| } |
| |
| var max_cols = (this.options.autogrow_cols ? this.options.max_cols : |
| this.cols); |
| |
| cols = Math.min(max_cols, Math.max(cols, this.options.min_cols)); |
| this.container_width = cols * this.min_widget_width; |
| this.$el.css('width', this.container_width); |
| return this; |
| }; |
| |
| |
| /** |
| * It generates the neccessary styles to position the widgets. |
| * |
| * @method generate_stylesheet |
| * @param {Number} rows Number of columns. |
| * @param {Number} cols Number of rows. |
| * @return {Object} Returns the instance of the Gridster class. |
| */ |
| fn.generate_stylesheet = function(opts) { |
| var styles = ''; |
| var max_size_x = this.options.max_size_x || this.cols; |
| var max_rows = 0; |
| var max_cols = 0; |
| var i; |
| var rules; |
| |
| opts || (opts = {}); |
| opts.cols || (opts.cols = this.cols); |
| opts.rows || (opts.rows = this.rows); |
| opts.namespace || (opts.namespace = this.options.namespace); |
| opts.widget_base_dimensions || |
| (opts.widget_base_dimensions = this.options.widget_base_dimensions); |
| opts.widget_margins || |
| (opts.widget_margins = this.options.widget_margins); |
| opts.min_widget_width = (opts.widget_margins[0] * 2) + |
| opts.widget_base_dimensions[0]; |
| opts.min_widget_height = (opts.widget_margins[1] * 2) + |
| opts.widget_base_dimensions[1]; |
| |
| // don't duplicate stylesheets for the same configuration |
| var serialized_opts = $.param(opts); |
| if ($.inArray(serialized_opts, Gridster.generated_stylesheets) >= 0) { |
| return false; |
| } |
| |
| this.generated_stylesheets.push(serialized_opts); |
| Gridster.generated_stylesheets.push(serialized_opts); |
| |
| /* generate CSS styles for cols */ |
| for (i = opts.cols; i >= 0; i--) { |
| styles += (opts.namespace + ' [data-col="'+ (i + 1) + '"] { left:' + |
| ((i * opts.widget_base_dimensions[0]) + |
| (i * opts.widget_margins[0]) + |
| ((i + 1) * opts.widget_margins[0])) + 'px; }\n'); |
| } |
| |
| /* generate CSS styles for rows */ |
| for (i = opts.rows; i >= 0; i--) { |
| styles += (opts.namespace + ' [data-row="' + (i + 1) + '"] { top:' + |
| ((i * opts.widget_base_dimensions[1]) + |
| (i * opts.widget_margins[1]) + |
| ((i + 1) * opts.widget_margins[1]) ) + 'px; }\n'); |
| } |
| |
| for (var y = 1; y <= opts.rows; y++) { |
| styles += (opts.namespace + ' [data-sizey="' + y + '"] { height:' + |
| (y * opts.widget_base_dimensions[1] + |
| (y - 1) * (opts.widget_margins[1] * 2)) + 'px; }\n'); |
| } |
| |
| for (var x = 1; x <= max_size_x; x++) { |
| styles += (opts.namespace + ' [data-sizex="' + x + '"] { width:' + |
| (x * opts.widget_base_dimensions[0] + |
| (x - 1) * (opts.widget_margins[0] * 2)) + 'px; }\n'); |
| } |
| |
| this.remove_style_tags(); |
| |
| return this.add_style_tag(styles); |
| }; |
| |
| |
| /** |
| * Injects the given CSS as string to the head of the document. |
| * |
| * @method add_style_tag |
| * @param {String} css The styles to apply. |
| * @return {Object} Returns the instance of the Gridster class. |
| */ |
| fn.add_style_tag = function(css) { |
| var d = document; |
| var tag = d.createElement('style'); |
| |
| d.getElementsByTagName('head')[0].appendChild(tag); |
| tag.setAttribute('type', 'text/css'); |
| |
| if (tag.styleSheet) { |
| tag.styleSheet.cssText = css; |
| } else { |
| tag.appendChild(document.createTextNode(css)); |
| } |
| |
| this.$style_tags = this.$style_tags.add(tag); |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Remove the style tag with the associated id from the head of the document |
| * |
| * @method remove_style_tag |
| * @return {Object} Returns the instance of the Gridster class. |
| */ |
| fn.remove_style_tags = function() { |
| var all_styles = Gridster.generated_stylesheets; |
| var ins_styles = this.generated_stylesheets; |
| |
| this.$style_tags.remove(); |
| |
| Gridster.generated_stylesheets = $.map(all_styles, function(s) { |
| if ($.inArray(s, ins_styles) === -1) { return s; } |
| }); |
| }; |
| |
| |
| /** |
| * Generates a faux grid to collide with it when a widget is dragged and |
| * detect row or column that we want to go. |
| * |
| * @method generate_faux_grid |
| * @param {Number} rows Number of columns. |
| * @param {Number} cols Number of rows. |
| * @return {Object} Returns the instance of the Gridster class. |
| */ |
| fn.generate_faux_grid = function(rows, cols) { |
| this.faux_grid = []; |
| this.gridmap = []; |
| var col; |
| var row; |
| for (col = cols; col > 0; col--) { |
| this.gridmap[col] = []; |
| for (row = rows; row > 0; row--) { |
| this.add_faux_cell(row, col); |
| } |
| } |
| return this; |
| }; |
| |
| |
| /** |
| * Add cell to the faux grid. |
| * |
| * @method add_faux_cell |
| * @param {Number} row The row for the new faux cell. |
| * @param {Number} col The col for the new faux cell. |
| * @return {Object} Returns the instance of the Gridster class. |
| */ |
| fn.add_faux_cell = function(row, col) { |
| var coords = $({ |
| left: this.baseX + ((col - 1) * this.min_widget_width), |
| top: this.baseY + (row -1) * this.min_widget_height, |
| width: this.min_widget_width, |
| height: this.min_widget_height, |
| col: col, |
| row: row, |
| original_col: col, |
| original_row: row |
| }).coords(); |
| |
| if (!$.isArray(this.gridmap[col])) { |
| this.gridmap[col] = []; |
| } |
| |
| this.gridmap[col][row] = false; |
| this.faux_grid.push(coords); |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Add rows to the faux grid. |
| * |
| * @method add_faux_rows |
| * @param {Number} rows The number of rows you want to add to the faux grid. |
| * @return {Object} Returns the instance of the Gridster class. |
| */ |
| fn.add_faux_rows = function(rows) { |
| var actual_rows = this.rows; |
| var max_rows = actual_rows + (rows || 1); |
| |
| for (var r = max_rows; r > actual_rows; r--) { |
| for (var c = this.cols; c >= 1; c--) { |
| this.add_faux_cell(r, c); |
| } |
| } |
| |
| this.rows = max_rows; |
| |
| if (this.options.autogenerate_stylesheet) { |
| this.generate_stylesheet(); |
| } |
| |
| return this; |
| }; |
| |
| /** |
| * Add cols to the faux grid. |
| * |
| * @method add_faux_cols |
| * @param {Number} cols The number of cols you want to add to the faux grid. |
| * @return {Object} Returns the instance of the Gridster class. |
| */ |
| fn.add_faux_cols = function(cols) { |
| var actual_cols = this.cols; |
| var max_cols = actual_cols + (cols || 1); |
| max_cols = Math.min(max_cols, this.options.max_cols); |
| |
| for (var c = actual_cols + 1; c <= max_cols; c++) { |
| for (var r = this.rows; r >= 1; r--) { |
| this.add_faux_cell(r, c); |
| } |
| } |
| |
| this.cols = max_cols; |
| |
| if (this.options.autogenerate_stylesheet) { |
| this.generate_stylesheet(); |
| } |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Recalculates the offsets for the faux grid. You need to use it when |
| * the browser is resized. |
| * |
| * @method recalculate_faux_grid |
| * @return {Object} Returns the instance of the Gridster class. |
| */ |
| fn.recalculate_faux_grid = function() { |
| var aw = this.$wrapper.width(); |
| this.baseX = ($(window).width() - aw) / 2; |
| this.baseY = this.$wrapper.offset().top; |
| |
| $.each(this.faux_grid, $.proxy(function(i, coords) { |
| this.faux_grid[i] = coords.update({ |
| left: this.baseX + (coords.data.col -1) * this.min_widget_width, |
| top: this.baseY + (coords.data.row -1) * this.min_widget_height |
| }); |
| }, this)); |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Get all widgets in the DOM and register them. |
| * |
| * @method get_widgets_from_DOM |
| * @return {Object} Returns the instance of the Gridster class. |
| */ |
| fn.get_widgets_from_DOM = function() { |
| var widgets_coords = this.$widgets.map($.proxy(function(i, widget) { |
| var $w = $(widget); |
| return this.dom_to_coords($w); |
| }, this)); |
| |
| widgets_coords = Gridster.sort_by_row_and_col_asc(widgets_coords); |
| |
| var changes = $(widgets_coords).map($.proxy(function(i, wgd) { |
| return this.register_widget(wgd) || null; |
| }, this)); |
| |
| if (changes.length) { |
| this.$el.trigger('gridster:positionschanged'); |
| } |
| |
| return this; |
| }; |
| |
| |
| /** |
| * Calculate columns and rows to be set based on the configuration |
| * parameters, grid dimensions, etc ... |
| * |
| * @method generate_grid_and_stylesheet |
| * @return {Object} Returns the instance of the Gridster class. |
| */ |
| fn.generate_grid_and_stylesheet = function() { |
| var aw = this.$wrapper.width(); |
| var max_cols = this.options.max_cols; |
| |
| var cols = Math.floor(aw / this.min_widget_width) + |
| this.options.extra_cols; |
| |
| var actual_cols = this.$widgets.map(function() { |
| return $(this).attr('data-col'); |
| }).get(); |
| |
| //needed to pass tests with phantomjs |
| actual_cols.length || (actual_cols = [0]); |
| |
| var min_cols = Math.max.apply(Math, actual_cols); |
| |
| this.cols = Math.max(min_cols, cols, this.options.min_cols); |
| |
| if (max_cols !== Infinity && max_cols >= min_cols && max_cols < this.cols) { |
| this.cols = max_cols; |
| } |
| |
| // get all rows that could be occupied by the current widgets |
| var max_rows = this.options.extra_rows; |
| this.$widgets.each(function(i, w) { |
| max_rows += (+$(w).attr('data-sizey')); |
| }); |
| |
| this.rows = Math.max(max_rows, this.options.min_rows); |
| |
| this.baseX = ($(window).width() - aw) / 2; |
| this.baseY = this.$wrapper.offset().top; |
| |
| if (this.options.autogenerate_stylesheet) { |
| this.generate_stylesheet(); |
| } |
| |
| return this.generate_faux_grid(this.rows, this.cols); |
| }; |
| |
| /** |
| * Destroy this gridster by removing any sign of its presence, making it easy to avoid memory leaks |
| * |
| * @method destroy |
| * @param {Boolean} remove If true, remove gridster from DOM. |
| * @return {Object} Returns the instance of the Gridster class. |
| */ |
| fn.destroy = function(remove) { |
| this.$el.removeData('gridster'); |
| |
| // remove bound callback on window resize |
| $(window).unbind('.gridster'); |
| |
| if (this.drag_api) { |
| this.drag_api.destroy(); |
| } |
| |
| this.remove_style_tags(); |
| |
| remove && this.$el.remove(); |
| |
| return this; |
| }; |
| |
| |
| //jQuery adapter |
| $.fn.gridster = function(options) { |
| return this.each(function() { |
| if (! $(this).data('gridster')) { |
| $(this).data('gridster', new Gridster( this, options )); |
| } |
| }); |
| }; |
| |
| return Gridster; |
| |
| })); |
| |
| function remove_widget(button) { |
| var gridster = $(".gridster ul").gridster().data('gridster'); |
| gridster.remove_widget($(button).parent().parent()); |
| save(); |
| } |
| |
| function zoom_widget(button) { |
| /* $(button).parent().parent(). |
| css('position','absolute').animate({ |
| width: '100%', |
| height: '600px' |
| }, 500); */ |
| var url = $(button).parent().parent().find('iframe').contents().get(0).location.href; |
| window.location.href = url; |
| } |
| |