| /* |
| * jQuery UI Draggable 1.8.2 |
| * |
| * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about) |
| * Dual licensed under the MIT (MIT-LICENSE.txt) |
| * and GPL (GPL-LICENSE.txt) licenses. |
| * |
| * http://docs.jquery.com/UI/Draggables |
| * |
| * Depends: |
| * jquery.ui.core.js |
| * jquery.ui.mouse.js |
| * jquery.ui.widget.js |
| */ |
| (function($) { |
| |
| $.widget("ui.draggable", $.ui.mouse, { |
| widgetEventPrefix: "drag", |
| options: { |
| addClasses: true, |
| appendTo: "parent", |
| axis: false, |
| connectToSortable: false, |
| containment: false, |
| cursor: "auto", |
| cursorAt: false, |
| grid: false, |
| handle: false, |
| helper: "original", |
| iframeFix: false, |
| opacity: false, |
| refreshPositions: false, |
| revert: false, |
| revertDuration: 500, |
| scope: "default", |
| scroll: true, |
| scrollSensitivity: 20, |
| scrollSpeed: 20, |
| snap: false, |
| snapMode: "both", |
| snapTolerance: 20, |
| stack: false, |
| zIndex: false |
| }, |
| _create: function() { |
| |
| if (this.options.helper == 'original' && !(/^(?:r|a|f)/).test(this.element.css("position"))) |
| this.element[0].style.position = 'relative'; |
| |
| (this.options.addClasses && this.element.addClass("ui-draggable")); |
| (this.options.disabled && this.element.addClass("ui-draggable-disabled")); |
| |
| this._mouseInit(); |
| |
| }, |
| |
| destroy: function() { |
| if(!this.element.data('draggable')) return; |
| this.element |
| .removeData("draggable") |
| .unbind(".draggable") |
| .removeClass("ui-draggable" |
| + " ui-draggable-dragging" |
| + " ui-draggable-disabled"); |
| this._mouseDestroy(); |
| |
| return this; |
| }, |
| |
| _mouseCapture: function(event) { |
| |
| var o = this.options; |
| |
| // among others, prevent a drag on a resizable-handle |
| if (this.helper || o.disabled || $(event.target).is('.ui-resizable-handle')) |
| return false; |
| |
| //Quit if we're not on a valid handle |
| this.handle = this._getHandle(event); |
| if (!this.handle) |
| return false; |
| |
| return true; |
| |
| }, |
| |
| _mouseStart: function(event) { |
| |
| var o = this.options; |
| |
| //Create and append the visible helper |
| this.helper = this._createHelper(event); |
| |
| //Cache the helper size |
| this._cacheHelperProportions(); |
| |
| //If ddmanager is used for droppables, set the global draggable |
| if($.ui.ddmanager) |
| $.ui.ddmanager.current = this; |
| |
| /* |
| * - Position generation - |
| * This block generates everything position related - it's the core of draggables. |
| */ |
| |
| //Cache the margins of the original element |
| this._cacheMargins(); |
| |
| //Store the helper's css position |
| this.cssPosition = this.helper.css("position"); |
| this.scrollParent = this.helper.scrollParent(); |
| |
| //The element's absolute position on the page minus margins |
| this.offset = this.positionAbs = this.element.offset(); |
| this.offset = { |
| top: this.offset.top - this.margins.top, |
| left: this.offset.left - this.margins.left |
| }; |
| |
| $.extend(this.offset, { |
| click: { //Where the click happened, relative to the element |
| left: event.pageX - this.offset.left, |
| top: event.pageY - this.offset.top |
| }, |
| parent: this._getParentOffset(), |
| relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper |
| }); |
| |
| //Generate the original position |
| this.originalPosition = this.position = this._generatePosition(event); |
| this.originalPageX = event.pageX; |
| this.originalPageY = event.pageY; |
| |
| //Adjust the mouse offset relative to the helper if 'cursorAt' is supplied |
| (o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt)); |
| |
| //Set a containment if given in the options |
| if(o.containment) |
| this._setContainment(); |
| |
| //Trigger event + callbacks |
| if(this._trigger("start", event) === false) { |
| this._clear(); |
| return false; |
| } |
| |
| //Recache the helper size |
| this._cacheHelperProportions(); |
| |
| //Prepare the droppable offsets |
| if ($.ui.ddmanager && !o.dropBehaviour) |
| $.ui.ddmanager.prepareOffsets(this, event); |
| |
| this.helper.addClass("ui-draggable-dragging"); |
| this._mouseDrag(event, true); //Execute the drag once - this causes the helper not to be visible before getting its correct position |
| return true; |
| }, |
| |
| _mouseDrag: function(event, noPropagation) { |
| |
| //Compute the helpers position |
| this.position = this._generatePosition(event); |
| this.positionAbs = this._convertPositionTo("absolute"); |
| |
| //Call plugins and callbacks and use the resulting position if something is returned |
| if (!noPropagation) { |
| var ui = this._uiHash(); |
| if(this._trigger('drag', event, ui) === false) { |
| this._mouseUp({}); |
| return false; |
| } |
| this.position = ui.position; |
| } |
| |
| if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px'; |
| if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px'; |
| if($.ui.ddmanager) $.ui.ddmanager.drag(this, event); |
| |
| return false; |
| }, |
| |
| _mouseStop: function(event) { |
| |
| //If we are using droppables, inform the manager about the drop |
| var dropped = false; |
| if ($.ui.ddmanager && !this.options.dropBehaviour) |
| dropped = $.ui.ddmanager.drop(this, event); |
| |
| //if a drop comes from outside (a sortable) |
| if(this.dropped) { |
| dropped = this.dropped; |
| this.dropped = false; |
| } |
| |
| //if the original element is removed, don't bother to continue |
| if(!this.element[0] || !this.element[0].parentNode) |
| return false; |
| |
| if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) { |
| var self = this; |
| $(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() { |
| if(self._trigger("stop", event) !== false) { |
| self._clear(); |
| } |
| }); |
| } else { |
| if(this._trigger("stop", event) !== false) { |
| this._clear(); |
| } |
| } |
| |
| return false; |
| }, |
| |
| cancel: function() { |
| |
| if(this.helper.is(".ui-draggable-dragging")) { |
| this._mouseUp({}); |
| } else { |
| this._clear(); |
| } |
| |
| return this; |
| |
| }, |
| |
| _getHandle: function(event) { |
| |
| var handle = !this.options.handle || !$(this.options.handle, this.element).length ? true : false; |
| $(this.options.handle, this.element) |
| .find("*") |
| .andSelf() |
| .each(function() { |
| if(this == event.target) handle = true; |
| }); |
| |
| return handle; |
| |
| }, |
| |
| _createHelper: function(event) { |
| |
| var o = this.options; |
| var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event])) : (o.helper == 'clone' ? this.element.clone() : this.element); |
| |
| if(!helper.parents('body').length) |
| helper.appendTo((o.appendTo == 'parent' ? this.element[0].parentNode : o.appendTo)); |
| |
| if(helper[0] != this.element[0] && !(/(fixed|absolute)/).test(helper.css("position"))) |
| helper.css("position", "absolute"); |
| |
| return helper; |
| |
| }, |
| |
| _adjustOffsetFromHelper: function(obj) { |
| if (typeof obj == 'string') { |
| obj = obj.split(' '); |
| } |
| if ($.isArray(obj)) { |
| obj = {left: +obj[0], top: +obj[1] || 0}; |
| } |
| if ('left' in obj) { |
| this.offset.click.left = obj.left + this.margins.left; |
| } |
| if ('right' in obj) { |
| this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left; |
| } |
| if ('top' in obj) { |
| this.offset.click.top = obj.top + this.margins.top; |
| } |
| if ('bottom' in obj) { |
| this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top; |
| } |
| }, |
| |
| _getParentOffset: function() { |
| |
| //Get the offsetParent and cache its position |
| this.offsetParent = this.helper.offsetParent(); |
| var po = this.offsetParent.offset(); |
| |
| // This is a special case where we need to modify a offset calculated on start, since the following happened: |
| // 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent |
| // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that |
| // the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag |
| if(this.cssPosition == 'absolute' && this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) { |
| po.left += this.scrollParent.scrollLeft(); |
| po.top += this.scrollParent.scrollTop(); |
| } |
| |
| if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information |
| || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie)) //Ugly IE fix |
| po = { top: 0, left: 0 }; |
| |
| return { |
| top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0), |
| left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0) |
| }; |
| |
| }, |
| |
| _getRelativeOffset: function() { |
| |
| if(this.cssPosition == "relative") { |
| var p = this.element.position(); |
| return { |
| top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(), |
| left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft() |
| }; |
| } else { |
| return { top: 0, left: 0 }; |
| } |
| |
| }, |
| |
| _cacheMargins: function() { |
| this.margins = { |
| left: (parseInt(this.element.css("marginLeft"),10) || 0), |
| top: (parseInt(this.element.css("marginTop"),10) || 0) |
| }; |
| }, |
| |
| _cacheHelperProportions: function() { |
| this.helperProportions = { |
| width: this.helper.outerWidth(), |
| height: this.helper.outerHeight() |
| }; |
| }, |
| |
| _setContainment: function() { |
| |
| var o = this.options; |
| if(o.containment == 'parent') o.containment = this.helper[0].parentNode; |
| if(o.containment == 'document' || o.containment == 'window') this.containment = [ |
| 0 - this.offset.relative.left - this.offset.parent.left, |
| 0 - this.offset.relative.top - this.offset.parent.top, |
| $(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left, |
| ($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top |
| ]; |
| |
| if(!(/^(document|window|parent)$/).test(o.containment) && o.containment.constructor != Array) { |
| var ce = $(o.containment)[0]; if(!ce) return; |
| var co = $(o.containment).offset(); |
| var over = ($(ce).css("overflow") != 'hidden'); |
| |
| this.containment = [ |
| co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left, |
| co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top, |
| co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left, |
| co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top |
| ]; |
| } else if(o.containment.constructor == Array) { |
| this.containment = o.containment; |
| } |
| |
| }, |
| |
| _convertPositionTo: function(d, pos) { |
| |
| if(!pos) pos = this.position; |
| var mod = d == "absolute" ? 1 : -1; |
| var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName); |
| |
| return { |
| top: ( |
| pos.top // The absolute mouse position |
| + this.offset.relative.top * mod // Only for relative positioned nodes: Relative offset from element to offset parent |
| + this.offset.parent.top * mod // The offsetParent's offset without borders (offset + border) |
| - ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod) |
| ), |
| left: ( |
| pos.left // The absolute mouse position |
| + this.offset.relative.left * mod // Only for relative positioned nodes: Relative offset from element to offset parent |
| + this.offset.parent.left * mod // The offsetParent's offset without borders (offset + border) |
| - ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod) |
| ) |
| }; |
| |
| }, |
| |
| _generatePosition: function(event) { |
| |
| var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName); |
| var pageX = event.pageX; |
| var pageY = event.pageY; |
| |
| /* |
| * - Position constraining - |
| * Constrain the position to a mix of grid, containment. |
| */ |
| |
| if(this.originalPosition) { //If we are not dragging yet, we won't check for options |
| |
| if(this.containment) { |
| if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left; |
| if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top; |
| if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left; |
| if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top; |
| } |
| |
| if(o.grid) { |
| var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1]; |
| pageY = this.containment ? (!(top - this.offset.click.top < this.containment[1] || top - this.offset.click.top > this.containment[3]) ? top : (!(top - this.offset.click.top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top; |
| |
| var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0]; |
| pageX = this.containment ? (!(left - this.offset.click.left < this.containment[0] || left - this.offset.click.left > this.containment[2]) ? left : (!(left - this.offset.click.left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left; |
| } |
| |
| } |
| |
| return { |
| top: ( |
| pageY // The absolute mouse position |
| - this.offset.click.top // Click offset (relative to the element) |
| - this.offset.relative.top // Only for relative positioned nodes: Relative offset from element to offset parent |
| - this.offset.parent.top // The offsetParent's offset without borders (offset + border) |
| + ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) )) |
| ), |
| left: ( |
| pageX // The absolute mouse position |
| - this.offset.click.left // Click offset (relative to the element) |
| - this.offset.relative.left // Only for relative positioned nodes: Relative offset from element to offset parent |
| - this.offset.parent.left // The offsetParent's offset without borders (offset + border) |
| + ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() )) |
| ) |
| }; |
| |
| }, |
| |
| _clear: function() { |
| this.helper.removeClass("ui-draggable-dragging"); |
| if(this.helper[0] != this.element[0] && !this.cancelHelperRemoval) this.helper.remove(); |
| //if($.ui.ddmanager) $.ui.ddmanager.current = null; |
| this.helper = null; |
| this.cancelHelperRemoval = false; |
| }, |
| |
| // From now on bulk stuff - mainly helpers |
| |
| _trigger: function(type, event, ui) { |
| ui = ui || this._uiHash(); |
| $.ui.plugin.call(this, type, [event, ui]); |
| if(type == "drag") this.positionAbs = this._convertPositionTo("absolute"); //The absolute position has to be recalculated after plugins |
| return $.Widget.prototype._trigger.call(this, type, event, ui); |
| }, |
| |
| plugins: {}, |
| |
| _uiHash: function(event) { |
| return { |
| helper: this.helper, |
| position: this.position, |
| originalPosition: this.originalPosition, |
| offset: this.positionAbs |
| }; |
| } |
| |
| }); |
| |
| $.extend($.ui.draggable, { |
| version: "1.8.2" |
| }); |
| |
| $.ui.plugin.add("draggable", "connectToSortable", { |
| start: function(event, ui) { |
| |
| var inst = $(this).data("draggable"), o = inst.options, |
| uiSortable = $.extend({}, ui, { item: inst.element }); |
| inst.sortables = []; |
| $(o.connectToSortable).each(function() { |
| var sortable = $.data(this, 'sortable'); |
| if (sortable && !sortable.options.disabled) { |
| inst.sortables.push({ |
| instance: sortable, |
| shouldRevert: sortable.options.revert |
| }); |
| sortable._refreshItems(); //Do a one-time refresh at start to refresh the containerCache |
| sortable._trigger("activate", event, uiSortable); |
| } |
| }); |
| |
| }, |
| stop: function(event, ui) { |
| |
| //If we are still over the sortable, we fake the stop event of the sortable, but also remove helper |
| var inst = $(this).data("draggable"), |
| uiSortable = $.extend({}, ui, { item: inst.element }); |
| |
| $.each(inst.sortables, function() { |
| if(this.instance.isOver) { |
| |
| this.instance.isOver = 0; |
| |
| inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance |
| this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work) |
| |
| //The sortable revert is supported, and we have to set a temporary dropped variable on the draggable to support revert: 'valid/invalid' |
| if(this.shouldRevert) this.instance.options.revert = true; |
| |
| //Trigger the stop of the sortable |
| this.instance._mouseStop(event); |
| |
| this.instance.options.helper = this.instance.options._helper; |
| |
| //If the helper has been the original item, restore properties in the sortable |
| if(inst.options.helper == 'original') |
| this.instance.currentItem.css({ top: 'auto', left: 'auto' }); |
| |
| } else { |
| this.instance.cancelHelperRemoval = false; //Remove the helper in the sortable instance |
| this.instance._trigger("deactivate", event, uiSortable); |
| } |
| |
| }); |
| |
| }, |
| drag: function(event, ui) { |
| |
| var inst = $(this).data("draggable"), self = this; |
| |
| var checkPos = function(o) { |
| var dyClick = this.offset.click.top, dxClick = this.offset.click.left; |
| var helperTop = this.positionAbs.top, helperLeft = this.positionAbs.left; |
| var itemHeight = o.height, itemWidth = o.width; |
| var itemTop = o.top, itemLeft = o.left; |
| |
| return $.ui.isOver(helperTop + dyClick, helperLeft + dxClick, itemTop, itemLeft, itemHeight, itemWidth); |
| }; |
| |
| $.each(inst.sortables, function(i) { |
| |
| //Copy over some variables to allow calling the sortable's native _intersectsWith |
| this.instance.positionAbs = inst.positionAbs; |
| this.instance.helperProportions = inst.helperProportions; |
| this.instance.offset.click = inst.offset.click; |
| |
| if(this.instance._intersectsWith(this.instance.containerCache)) { |
| |
| //If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once |
| if(!this.instance.isOver) { |
| |
| this.instance.isOver = 1; |
| //Now we fake the start of dragging for the sortable instance, |
| //by cloning the list group item, appending it to the sortable and using it as inst.currentItem |
| //We can then fire the start event of the sortable with our passed browser event, and our own helper (so it doesn't create a new one) |
| this.instance.currentItem = $(self).clone().appendTo(this.instance.element).data("sortable-item", true); |
| this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it |
| this.instance.options.helper = function() { return ui.helper[0]; }; |
| |
| event.target = this.instance.currentItem[0]; |
| this.instance._mouseCapture(event, true); |
| this.instance._mouseStart(event, true, true); |
| |
| //Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes |
| this.instance.offset.click.top = inst.offset.click.top; |
| this.instance.offset.click.left = inst.offset.click.left; |
| this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left; |
| this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top; |
| |
| inst._trigger("toSortable", event); |
| inst.dropped = this.instance.element; //draggable revert needs that |
| //hack so receive/update callbacks work (mostly) |
| inst.currentItem = inst.element; |
| this.instance.fromOutside = inst; |
| |
| } |
| |
| //Provided we did all the previous steps, we can fire the drag event of the sortable on every draggable drag, when it intersects with the sortable |
| if(this.instance.currentItem) this.instance._mouseDrag(event); |
| |
| } else { |
| |
| //If it doesn't intersect with the sortable, and it intersected before, |
| //we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval |
| if(this.instance.isOver) { |
| |
| this.instance.isOver = 0; |
| this.instance.cancelHelperRemoval = true; |
| |
| //Prevent reverting on this forced stop |
| this.instance.options.revert = false; |
| |
| // The out event needs to be triggered independently |
| this.instance._trigger('out', event, this.instance._uiHash(this.instance)); |
| |
| this.instance._mouseStop(event, true); |
| this.instance.options.helper = this.instance.options._helper; |
| |
| //Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size |
| this.instance.currentItem.remove(); |
| if(this.instance.placeholder) this.instance.placeholder.remove(); |
| |
| inst._trigger("fromSortable", event); |
| inst.dropped = false; //draggable revert needs that |
| } |
| |
| }; |
| |
| }); |
| |
| } |
| }); |
| |
| $.ui.plugin.add("draggable", "cursor", { |
| start: function(event, ui) { |
| var t = $('body'), o = $(this).data('draggable').options; |
| if (t.css("cursor")) o._cursor = t.css("cursor"); |
| t.css("cursor", o.cursor); |
| }, |
| stop: function(event, ui) { |
| var o = $(this).data('draggable').options; |
| if (o._cursor) $('body').css("cursor", o._cursor); |
| } |
| }); |
| |
| $.ui.plugin.add("draggable", "iframeFix", { |
| start: function(event, ui) { |
| var o = $(this).data('draggable').options; |
| $(o.iframeFix === true ? "iframe" : o.iframeFix).each(function() { |
| $('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>') |
| .css({ |
| width: this.offsetWidth+"px", height: this.offsetHeight+"px", |
| position: "absolute", opacity: "0.001", zIndex: 1000 |
| }) |
| .css($(this).offset()) |
| .appendTo("body"); |
| }); |
| }, |
| stop: function(event, ui) { |
| $("div.ui-draggable-iframeFix").each(function() { this.parentNode.removeChild(this); }); //Remove frame helpers |
| } |
| }); |
| |
| $.ui.plugin.add("draggable", "opacity", { |
| start: function(event, ui) { |
| var t = $(ui.helper), o = $(this).data('draggable').options; |
| if(t.css("opacity")) o._opacity = t.css("opacity"); |
| t.css('opacity', o.opacity); |
| }, |
| stop: function(event, ui) { |
| var o = $(this).data('draggable').options; |
| if(o._opacity) $(ui.helper).css('opacity', o._opacity); |
| } |
| }); |
| |
| $.ui.plugin.add("draggable", "scroll", { |
| start: function(event, ui) { |
| var i = $(this).data("draggable"); |
| if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') i.overflowOffset = i.scrollParent.offset(); |
| }, |
| drag: function(event, ui) { |
| |
| var i = $(this).data("draggable"), o = i.options, scrolled = false; |
| |
| if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') { |
| |
| if(!o.axis || o.axis != 'x') { |
| if((i.overflowOffset.top + i.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) |
| i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop + o.scrollSpeed; |
| else if(event.pageY - i.overflowOffset.top < o.scrollSensitivity) |
| i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop - o.scrollSpeed; |
| } |
| |
| if(!o.axis || o.axis != 'y') { |
| if((i.overflowOffset.left + i.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) |
| i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft + o.scrollSpeed; |
| else if(event.pageX - i.overflowOffset.left < o.scrollSensitivity) |
| i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft - o.scrollSpeed; |
| } |
| |
| } else { |
| |
| if(!o.axis || o.axis != 'x') { |
| if(event.pageY - $(document).scrollTop() < o.scrollSensitivity) |
| scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed); |
| else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) |
| scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed); |
| } |
| |
| if(!o.axis || o.axis != 'y') { |
| if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity) |
| scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed); |
| else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) |
| scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed); |
| } |
| |
| } |
| |
| if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) |
| $.ui.ddmanager.prepareOffsets(i, event); |
| |
| } |
| }); |
| |
| $.ui.plugin.add("draggable", "snap", { |
| start: function(event, ui) { |
| |
| var i = $(this).data("draggable"), o = i.options; |
| i.snapElements = []; |
| |
| $(o.snap.constructor != String ? ( o.snap.items || ':data(draggable)' ) : o.snap).each(function() { |
| var $t = $(this); var $o = $t.offset(); |
| if(this != i.element[0]) i.snapElements.push({ |
| item: this, |
| width: $t.outerWidth(), height: $t.outerHeight(), |
| top: $o.top, left: $o.left |
| }); |
| }); |
| |
| }, |
| drag: function(event, ui) { |
| |
| var inst = $(this).data("draggable"), o = inst.options; |
| var d = o.snapTolerance; |
| |
| var x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width, |
| y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height; |
| |
| for (var i = inst.snapElements.length - 1; i >= 0; i--){ |
| |
| var l = inst.snapElements[i].left, r = l + inst.snapElements[i].width, |
| t = inst.snapElements[i].top, b = t + inst.snapElements[i].height; |
| |
| //Yes, I know, this is insane ;) |
| if(!((l-d < x1 && x1 < r+d && t-d < y1 && y1 < b+d) || (l-d < x1 && x1 < r+d && t-d < y2 && y2 < b+d) || (l-d < x2 && x2 < r+d && t-d < y1 && y1 < b+d) || (l-d < x2 && x2 < r+d && t-d < y2 && y2 < b+d))) { |
| if(inst.snapElements[i].snapping) (inst.options.snap.release && inst.options.snap.release.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item }))); |
| inst.snapElements[i].snapping = false; |
| continue; |
| } |
| |
| if(o.snapMode != 'inner') { |
| var ts = Math.abs(t - y2) <= d; |
| var bs = Math.abs(b - y1) <= d; |
| var ls = Math.abs(l - x2) <= d; |
| var rs = Math.abs(r - x1) <= d; |
| if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top - inst.margins.top; |
| if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top - inst.margins.top; |
| if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left - inst.margins.left; |
| if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left - inst.margins.left; |
| } |
| |
| var first = (ts || bs || ls || rs); |
| |
| if(o.snapMode != 'outer') { |
| var ts = Math.abs(t - y1) <= d; |
| var bs = Math.abs(b - y2) <= d; |
| var ls = Math.abs(l - x1) <= d; |
| var rs = Math.abs(r - x2) <= d; |
| if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top - inst.margins.top; |
| if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top - inst.margins.top; |
| if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left - inst.margins.left; |
| if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left - inst.margins.left; |
| } |
| |
| if(!inst.snapElements[i].snapping && (ts || bs || ls || rs || first)) |
| (inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item }))); |
| inst.snapElements[i].snapping = (ts || bs || ls || rs || first); |
| |
| }; |
| |
| } |
| }); |
| |
| $.ui.plugin.add("draggable", "stack", { |
| start: function(event, ui) { |
| |
| var o = $(this).data("draggable").options; |
| |
| var group = $.makeArray($(o.stack)).sort(function(a,b) { |
| return (parseInt($(a).css("zIndex"),10) || 0) - (parseInt($(b).css("zIndex"),10) || 0); |
| }); |
| if (!group.length) { return; } |
| |
| var min = parseInt(group[0].style.zIndex) || 0; |
| $(group).each(function(i) { |
| this.style.zIndex = min + i; |
| }); |
| |
| this[0].style.zIndex = min + group.length; |
| |
| } |
| }); |
| |
| $.ui.plugin.add("draggable", "zIndex", { |
| start: function(event, ui) { |
| var t = $(ui.helper), o = $(this).data("draggable").options; |
| if(t.css("zIndex")) o._zIndex = t.css("zIndex"); |
| t.css('zIndex', o.zIndex); |
| }, |
| stop: function(event, ui) { |
| var o = $(this).data("draggable").options; |
| if(o._zIndex) $(ui.helper).css('zIndex', o._zIndex); |
| } |
| }); |
| |
| })(jQuery); |
