| /* jshint forin:true, noarg:true, noempty:true, eqeqeq:true, boss:true, undef:true, curly:true, browser:true, jquery:true */ |
| /* |
| * jQuery MultiSelect UI Widget 1.14pre |
| * Copyright (c) 2012 Eric Hynds |
| * |
| * http://www.erichynds.com/jquery/jquery-ui-multiselect-widget/ |
| * |
| * Depends: |
| * - jQuery 1.4.2+ |
| * - jQuery UI 1.8 widget factory |
| * |
| * Optional: |
| * - jQuery UI effects |
| * - jQuery UI position utility |
| * |
| * Dual licensed under the MIT and GPL licenses: |
| * http://www.opensource.org/licenses/mit-license.php |
| * http://www.gnu.org/licenses/gpl.html |
| * |
| */ |
| (function($, undefined) { |
| |
| var multiselectID = 0; |
| var $doc = $(document); |
| |
| $ |
| .widget( |
| "ech.multiselect", |
| { |
| |
| // default options |
| options : { |
| header : true, |
| height : 175, |
| minWidth : 225, |
| classes : '', |
| checkAllText : 'Hide all', |
| uncheckAllText : 'Show all', |
| noneSelectedText : 'Select columns to hide', |
| selectedText : '# columns hidden', |
| selectedList : 0, |
| show : null, |
| hide : null, |
| autoOpen : false, |
| multiple : true, |
| position : {}, |
| appendTo : "body" |
| }, |
| |
| _create : function() { |
| var el = this.element.hide(); |
| var o = this.options; |
| |
| this.speed = $.fx.speeds._default; // default speed for effects |
| this._isOpen = false; // assume no |
| |
| // create a unique namespace for events that the widget |
| // factory cannot unbind automatically. Use eventNamespace if on |
| // jQuery UI 1.9+, and otherwise fallback to a custom string. |
| this._namespaceID = this.eventNamespace |
| || ('multiselect' + multiselectID); |
| |
| var button = (this.button = $('<button type="button"><img src="images/hide_ico.png"/> <span class="ui-icon ui-icon-triangle-1-s"></span></button>')) |
| .addClass( |
| 'ui-multiselect ui-widgetSelect ui-state-defaultSelect ui-corner-allSelect') |
| .addClass(o.classes).attr({ |
| 'title' : el.attr('title'), |
| 'aria-haspopup' : true, |
| 'tabIndex' : el.attr('tabIndex') |
| }).insertAfter(el), |
| |
| buttonlabel = (this.buttonlabel = $('<span />')).html( |
| o.noneSelectedText).appendTo(button), |
| |
| menu = (this.menu = $('<div />')) |
| .addClass( |
| 'ui-multiselect-menu ui-widgetSelect ui-widget-contentSelect ui-corner-allSelect') |
| .addClass(o.classes).appendTo($(o.appendTo)), |
| |
| header = (this.header = $('<div />')) |
| .addClass( |
| 'ui-widget-headerSelect ui-corner-allSelect ui-multiselect-header ui-helper-clearfixSelect') |
| .appendTo(menu), |
| |
| headerLinkContainer = (this.headerLinkContainer = $('<ul />')) |
| .addClass('ui-helper-resetSelect') |
| .html( |
| function() { |
| if (o.header === true) { |
| return '<li><a class="ui-multiselect-all" href="#"><img src="images/hide_ico.png"/> <span class="ui-multiselect-spanlink">' |
| + o.checkAllText |
| + '</span></a></li><li><a class="ui-multiselect-none" href="#"><img src="images/show_ico.png"/> <span class="ui-multiselect-spanlink">' |
| + o.uncheckAllText + '</span></a></li>'; |
| } else if (typeof o.header === "string") { |
| return '<li>' + o.header + '</li>'; |
| } else { |
| return ''; |
| } |
| }) |
| .append( |
| '<li class="ui-multiselect-close"><a href="#" class="ui-multiselect-close"><img src="images/cross.png"/><span class="ui-icon ui-icon-circle-close"></span></a></li>') |
| .appendTo(header), |
| |
| checkboxContainer = (this.checkboxContainer = $('<ul />')) |
| .addClass('ui-multiselect-checkboxes ui-helper-resetSelect') |
| .appendTo(menu); |
| |
| // perform event bindings |
| this._bindEvents(); |
| |
| // build menu |
| this.refresh(true); |
| |
| // some addl. logic for single selects |
| if (!o.multiple) { |
| menu.addClass('ui-multiselect-single'); |
| } |
| |
| // bump unique ID |
| multiselectID++; |
| }, |
| |
| _init : function() { |
| if (this.options.header === false) { |
| this.header.hide(); |
| } |
| if (!this.options.multiple) { |
| this.headerLinkContainer.find( |
| '.ui-multiselect-all, .ui-multiselect-none').hide(); |
| } |
| if (this.options.autoOpen) { |
| this.open(); |
| } |
| if (this.element.is(':disabled')) { |
| this.disable(); |
| } |
| }, |
| |
| refresh : function(init) { |
| var el = this.element; |
| var o = this.options; |
| var menu = this.menu; |
| var checkboxContainer = this.checkboxContainer; |
| var optgroups = []; |
| var html = ""; |
| var id = el.attr('id') || multiselectID++; // unique ID for the |
| // label & option tags |
| |
| // build items |
| el.find('option').each( |
| function(i) { |
| var $this = $(this); |
| var parent = this.parentNode; |
| var description = this.innerHTML; |
| var title = this.title; |
| var value = this.value; |
| var inputID = 'ui-multiselect-' |
| + (this.id || id + '-option-' + i); |
| var isDisabled = this.disabled; |
| var isSelected = this.selected; |
| var labelClasses = [ 'ui-corner-allSelect' ]; |
| var liClasses = (isDisabled ? 'ui-multiselect-disabled ' |
| : ' ') |
| + this.className; |
| var optLabel; |
| |
| // is this an optgroup? |
| if (parent.tagName === 'OPTGROUP') { |
| optLabel = parent.getAttribute('label'); |
| |
| // has this optgroup been added already? |
| if ($.inArray(optLabel, optgroups) === -1) { |
| html += '<li class="ui-multiselect-optgroup-label ' |
| + parent.className + '"><a href="#">' + optLabel |
| + '</a></li>'; |
| optgroups.push(optLabel); |
| } |
| } |
| |
| if (isDisabled) { |
| labelClasses.push('ui-state-disabledSelect'); |
| } |
| |
| // browsers automatically select the first option |
| // by default with single selects |
| if (isSelected && !o.multiple) { |
| labelClasses.push('ui-state-activeSelect'); |
| } |
| |
| html += '<li class="' + liClasses + '">'; |
| |
| // create the label |
| html += '<label for="' + inputID + '" title="' + title |
| + '" class="' + labelClasses.join(' ') + '">'; |
| if (!isDisabled) { |
| html += '<input id="' + inputID + '" name="multiselect_' |
| + id + '" type="' |
| + (o.multiple ? "checkbox" : "radio") + '" value="' |
| + value + '" title="' + title + '" class="styled"'; |
| } |
| // pre-selected? |
| if (isSelected) { |
| html += ' checked="checked"'; |
| html += ' aria-selected="true"'; |
| } |
| |
| // disabled? |
| /* |
| * if(isDisabled) { html += ' disabled="disabled"'; html += ' |
| * aria-disabled="true"'; } |
| */ |
| |
| // add the title and close everything off |
| if (!isDisabled) { |
| html += ' />'; |
| } |
| html += '<span style="color: #83939A;">' + description |
| + '</span></label></li>'; // #cfdced |
| }); |
| |
| // insert into the DOM |
| checkboxContainer.html(html); |
| |
| // cache some moar useful elements |
| this.labels = menu.find('label'); |
| this.inputs = this.labels.children('input'); |
| |
| // set widths |
| this._setButtonWidth(); |
| this._setMenuWidth(); |
| |
| // remember default value |
| this.button[0].defaultValue = this.update(); |
| |
| // broadcast refresh event; useful for widgets |
| if (!init) { |
| this._trigger('refresh'); |
| } |
| }, |
| |
| // updates the button text. call refresh() to rebuild |
| update : function() { |
| var o = this.options; |
| var $inputs = this.inputs; |
| var $checked = $inputs.filter(':checked'); |
| var numChecked = $checked.length; |
| var value; |
| |
| if (numChecked === 0) { |
| value = o.noneSelectedText; |
| } else { |
| if ($.isFunction(o.selectedText)) { |
| value = o.selectedText.call(this, numChecked, $inputs.length, |
| $checked.get()); |
| } else if (/\d/.test(o.selectedList) && o.selectedList > 0 |
| && numChecked <= o.selectedList) { |
| value = $checked.map(function() { |
| return $(this).next().html(); |
| }).get().join(', '); |
| } else { |
| value = o.selectedText.replace('#', numChecked).replace('#', |
| $inputs.length); |
| } |
| } |
| |
| this._setButtonValue(value); |
| |
| return value; |
| }, |
| |
| // this exists as a separate method so that the developer |
| // can easily override it. |
| _setButtonValue : function(value) { |
| this.buttonlabel.text(value); |
| }, |
| |
| // binds events |
| _bindEvents : function() { |
| var self = this; |
| var button = this.button; |
| |
| function clickHandler() { |
| self[self._isOpen ? 'close' : 'open'](); |
| $("span[class='checkbox']").prop('onmouseup',''); |
| return false; |
| } |
| |
| // webkit doesn't like it when you click on the span :( |
| button.find('span').bind('click.multiselect', clickHandler); |
| |
| // button events |
| button.bind({ |
| click : clickHandler, |
| keypress : function(e) { |
| switch (e.which) { |
| case 27: // esc |
| case 38: // up |
| case 37: // left |
| self.close(); |
| break; |
| case 39: // right |
| case 40: // down |
| self.open(); |
| break; |
| } |
| }, |
| mouseenter : function() { |
| if (!button.hasClass('ui-state-disabledSelect')) { |
| $(this).addClass('ui-state-hoverSelect'); |
| } |
| }, |
| mouseleave : function() { |
| $(this).removeClass('ui-state-hoverSelect'); |
| }, |
| focus : function() { |
| if (!button.hasClass('ui-state-disabledSelect')) { |
| $(this).addClass('ui-state-focusSelect'); |
| } |
| }, |
| blur : function() { |
| $(this).removeClass('ui-state-focusSelect'); |
| } |
| }); |
| |
| // header links |
| this.header.delegate('a', 'click.multiselect', function(e) { |
| // close link |
| if ($(this).hasClass('ui-multiselect-close')) { |
| self.close(); |
| |
| // check all / uncheck all |
| } else { |
| self[$(this).hasClass('ui-multiselect-all') ? 'checkAll' |
| : 'uncheckAll'](); |
| } |
| |
| e.preventDefault(); |
| }); |
| |
| // optgroup label toggle support |
| this.menu.delegate( |
| 'li.ui-multiselect-optgroup-label a', |
| 'click.multiselect', |
| function(e) { |
| e.preventDefault(); |
| |
| var $this = $(this); |
| var $inputs = $this.parent().nextUntil( |
| 'li.ui-multiselect-optgroup-label').find( |
| 'input:visible:not(:disabled)'); |
| var nodes = $inputs.get(); |
| var label = $this.parent().text(); |
| |
| // trigger event and bail if the return is false |
| if (self._trigger('beforeoptgrouptoggle', e, { |
| inputs : nodes, |
| label : label |
| }) === false) { |
| return; |
| } |
| |
| // toggle inputs |
| self._toggleChecked( |
| $inputs.filter(':checked').length !== $inputs.length, |
| $inputs); |
| |
| self._trigger('optgrouptoggle', e, { |
| inputs : nodes, |
| label : label, |
| checked : nodes[0].checked |
| }); |
| }).delegate( |
| 'label', |
| 'mouseenter.multiselect', |
| function() { |
| if (!$(this).hasClass('ui-state-disabledSelect')) { |
| self.labels.removeClass('ui-state-hoverSelect'); |
| $(this).addClass('ui-state-hoverSelect').find('input') |
| .focus(); |
| } |
| }).delegate('label', 'keydown.multiselect', function(e) { |
| e.preventDefault(); |
| |
| switch (e.which) { |
| case 9: // tab |
| case 27: // esc |
| self.close(); |
| break; |
| case 38: // up |
| case 40: // down |
| case 37: // left |
| case 39: // right |
| self._traverse(e.which, this); |
| break; |
| case 13: // enter |
| $(this).find('input')[0].click(); |
| break; |
| } |
| }).delegate( |
| 'input[type="checkbox"], input[type="radio"]', |
| 'click.multiselect', |
| function(e) { |
| var $this = $(this); |
| var val = this.value; |
| var checked = this.checked; |
| var tags = self.element.find('option'); |
| |
| // bail if this input is disabled or the event is cancelled |
| if (this.disabled || self._trigger('click', e, { |
| value : val, |
| text : this.title, |
| checked : checked |
| }) === false) { |
| e.preventDefault(); |
| return; |
| } |
| |
| // make sure the input has focus. otherwise, the esc key |
| // won't close the menu after clicking an item. |
| $this.focus(); |
| |
| // toggle aria state |
| $this.attr('aria-selected', checked); |
| |
| // change state on the original option tags |
| tags.each(function() { |
| if (this.value === val) { |
| this.selected = checked; |
| } else if (!self.options.multiple) { |
| this.selected = false; |
| } |
| }); |
| |
| // some additional single select-specific logic |
| if (!self.options.multiple) { |
| self.labels.removeClass('ui-state-activeSelect'); |
| $this.closest('label').toggleClass( |
| 'ui-state-activeSelect', checked); |
| |
| // close menu |
| self.close(); |
| } |
| |
| // fire change on the select box |
| self.element.trigger("change"); |
| |
| // setTimeout is to fix multiselect issue #14 and #47. |
| // caused by jQuery issue #3827 |
| // http://bugs.jquery.com/ticket/3827 |
| setTimeout($.proxy(self.update, self), 10); |
| }); |
| |
| // close each widget when clicking on any other element/anywhere |
| // else on the page |
| $doc.bind('mousedown.' + this._namespaceID, function(event) { |
| var target = event.target; |
| |
| if (self._isOpen && target !== self.button[0] |
| && target !== self.menu[0] |
| && !$.contains(self.menu[0], target) |
| && !$.contains(self.button[0], target)) { |
| self.close(); |
| } |
| }); |
| |
| // deal with form resets. the problem here is that buttons aren't |
| // restored to their defaultValue prop on form reset, and the |
| // reset |
| // handler fires before the form is actually reset. delaying it a |
| // bit |
| // gives the form inputs time to clear. |
| $(this.element[0].form).bind('reset.multiselect', function() { |
| setTimeout($.proxy(self.refresh, self), 10); |
| }); |
| }, |
| |
| // set button width |
| _setButtonWidth : function() { |
| var width = this.element.outerWidth(); |
| var o = this.options; |
| |
| if (/\d/.test(o.minWidth) && width < o.minWidth) { |
| width = o.minWidth; |
| } |
| |
| // set widths |
| this.button.outerWidth(width); |
| }, |
| |
| // set menu width |
| _setMenuWidth : function() { |
| var m = this.menu; |
| m.outerWidth(this.button.outerWidth()); |
| }, |
| |
| // move up or down within the menu |
| _traverse : function(which, start) { |
| var $start = $(start); |
| var moveToLast = which === 38 || which === 37; |
| |
| // select the first li that isn't an optgroup label / disabled |
| var $next = $start.parent()[moveToLast ? 'prevAll' : 'nextAll'] |
| ( |
| 'li:not(.ui-multiselect-disabled, .ui-multiselect-optgroup-label)') |
| .first(); |
| |
| // if at the first/last element |
| if (!$next.length) { |
| var $container = this.menu.find('ul').last(); |
| |
| // move to the first/last |
| this.menu.find('label')[moveToLast ? 'last' : 'first']() |
| .trigger('mouseover'); |
| |
| // set scroll position |
| $container.scrollTop(moveToLast ? $container.height() : 0); |
| |
| } else { |
| $next.find('label').trigger('mouseover'); |
| } |
| }, |
| |
| // This is an internal function to toggle the checked property and |
| // other related attributes of a checkbox. |
| // |
| // The context of this function should be a checkbox; do not proxy |
| // it. |
| _toggleState : function(prop, flag) { |
| return function() { |
| |
| if (!this.disabled) { |
| this[prop] = flag; |
| } |
| |
| if (flag) { |
| this.setAttribute('aria-selected', true); |
| // for each span show checked style |
| this.previousSibling.style.backgroundPosition = "0 -" |
| + checkboxHeight * 2 + "px"; |
| // this.previousSibling.style.backgroundPositionX = "0" ; |
| // this.previousSibling.style.backgroundPositionY = "-" + |
| // checkboxHeight*2 + "px"; |
| } else { |
| this.removeAttribute('aria-selected'); |
| // for each span remove checked style |
| this.previousSibling.style.backgroundPosition = "0 0"; |
| } |
| }; |
| }, |
| |
| _toggleChecked : function(flag, group) { |
| var $inputs = (group && group.length) ? group : this.inputs; |
| var self = this; |
| |
| // toggle state on inputs |
| $inputs.each(this._toggleState('checked', flag)); |
| |
| // give the first input focus |
| $inputs.eq(0).focus(); |
| |
| // update button text |
| this.update(); |
| |
| // gather an array of the values that actually changed |
| var values = $inputs.map(function() { |
| return this.value; |
| }).get(); |
| |
| // riya -- toggle state on original option tags ---- as we are |
| // using our own checkboxes - this is erroring and seems not |
| // required |
| /* |
| * this.element .find('option') .each(function() { |
| * if(!this.disabled && $.inArray(this.value, values) > -1) { |
| * self._toggleState('selected', flag).call(this); } }); |
| */ |
| |
| // trigger the change event on the select |
| if ($inputs.length) { |
| this.element.trigger("change"); |
| } |
| }, |
| |
| _toggleDisabled : function(flag) { |
| this.button.attr({ |
| 'disabled' : flag, |
| 'aria-disabled' : flag |
| })[flag ? 'addClass' : 'removeClass']('ui-state-disabledSelect'); |
| |
| var inputs = this.menu.find('input'); |
| var key = "ech-multiselect-disabled"; |
| |
| if (flag) { |
| // remember which elements this widget disabled (not |
| // pre-disabled) |
| // elements, so that they can be restored if the widget is |
| // re-enabled. |
| inputs = inputs.filter(':enabled').data(key, true) |
| } else { |
| inputs = inputs.filter(function() { |
| return $.data(this, key) === true; |
| }).removeData(key); |
| } |
| |
| inputs.attr({ |
| 'disabled' : flag, |
| 'arial-disabled' : flag |
| }).parent()[flag ? 'addClass' : 'removeClass'] |
| ('ui-state-disabledSelect'); |
| |
| this.element.attr({ |
| 'disabled' : flag, |
| 'aria-disabled' : flag |
| }); |
| }, |
| |
| // open the menu |
| open : function(e) { |
| var self = this; |
| var button = this.button; |
| var menu = this.menu; |
| var speed = this.speed; |
| var o = this.options; |
| var args = []; |
| |
| // bail if the multiselectopen event returns false, this widget is |
| // disabled, or is already open |
| if (this._trigger('beforeopen') === false |
| || button.hasClass('ui-state-disabledSelect') || this._isOpen) { |
| return; |
| } |
| |
| var $container = menu.find('ul').last(); |
| var effect = o.show; |
| |
| // figure out opening effects/speeds |
| if ($.isArray(o.show)) { |
| effect = o.show[0]; |
| speed = o.show[1] || self.speed; |
| } |
| |
| // if there's an effect, assume jQuery UI is in use |
| // build the arguments to pass to show() |
| if (effect) { |
| args = [ effect, speed ]; |
| } |
| |
| // set the scroll of the checkbox container |
| $container.scrollTop(0).height(o.height); |
| |
| // positon |
| this.position(); |
| |
| // show the menu, maybe with a speed/effect combo |
| $.fn.show.apply(menu, args); |
| |
| // select the first not disabled option |
| // triggering both mouseover and mouseover because 1.4.2+ has a |
| // bug where triggering mouseover |
| // will actually trigger mouseenter. the mouseenter trigger is |
| // there for when it's eventually fixed |
| this.labels.filter(':not(.ui-state-disabledSelect)').eq(0) |
| .trigger('mouseover').trigger('mouseenter').find('input') |
| .trigger('focus'); |
| |
| button.addClass('ui-state-activeSelect'); |
| this._isOpen = true; |
| this._trigger('open'); |
| }, |
| |
| // close the menu |
| close : function() { |
| if (this._trigger('beforeclose') === false) { |
| return; |
| } |
| |
| var o = this.options; |
| var effect = o.hide; |
| var speed = this.speed; |
| var args = []; |
| |
| // figure out opening effects/speeds |
| if ($.isArray(o.hide)) { |
| effect = o.hide[0]; |
| speed = o.hide[1] || this.speed; |
| } |
| |
| if (effect) { |
| args = [ effect, speed ]; |
| } |
| |
| $.fn.hide.apply(this.menu, args); |
| this.button.removeClass('ui-state-activeSelect').trigger('blur') |
| .trigger('mouseleave'); |
| this._isOpen = false; |
| this._trigger('close'); |
| }, |
| |
| enable : function() { |
| this._toggleDisabled(false); |
| }, |
| |
| disable : function() { |
| this._toggleDisabled(true); |
| }, |
| |
| checkAll : function(e) { |
| this._toggleChecked(true); |
| this._trigger('checkAll'); |
| }, |
| |
| uncheckAll : function() { |
| this._toggleChecked(false); |
| this._trigger('uncheckAll'); |
| }, |
| |
| getChecked : function() { |
| return this.menu.find('input').filter(':checked'); |
| }, |
| |
| destroy : function() { |
| // remove classes + data |
| $.Widget.prototype.destroy.call(this); |
| |
| // unbind events |
| $doc.unbind(this._namespaceID); |
| |
| this.button.remove(); |
| this.menu.remove(); |
| this.element.show(); |
| |
| return this; |
| }, |
| |
| isOpen : function() { |
| return this._isOpen; |
| }, |
| |
| widget : function() { |
| return this.menu; |
| }, |
| |
| getButton : function() { |
| return this.button; |
| }, |
| |
| position : function() { |
| var o = this.options; |
| |
| // use the position utility if it exists and options are |
| // specifified |
| if ($.ui.position && !$.isEmptyObject(o.position)) { |
| o.position.of = o.position.of || this.button; |
| |
| this.menu.show().position(o.position).hide(); |
| |
| // otherwise fallback to custom positioning |
| } else { |
| var pos = this.button.offset(); |
| |
| this.menu.css({ |
| top : pos.top + this.button.outerHeight(), |
| left : pos.left |
| }); |
| } |
| }, |
| |
| // react to option changes after initialization |
| _setOption : function(key, value) { |
| var menu = this.menu; |
| |
| switch (key) { |
| case 'header': |
| menu.find('div.ui-multiselect-header')[value ? 'show' : 'hide'] |
| (); |
| break; |
| case 'checkAllText': |
| menu.find('a.ui-multiselect-all span').eq(-1).text(value); |
| break; |
| case 'uncheckAllText': |
| menu.find('a.ui-multiselect-none span').eq(-1).text(value); |
| break; |
| case 'height': |
| menu.find('ul').last().height(parseInt(value, 10)); |
| break; |
| case 'minWidth': |
| this.options[key] = parseInt(value, 10); |
| this._setButtonWidth(); |
| this._setMenuWidth(); |
| break; |
| case 'selectedText': |
| case 'selectedList': |
| case 'noneSelectedText': |
| this.options[key] = value; // these all needs to update |
| // immediately for the update() call |
| this.update(); |
| break; |
| case 'classes': |
| menu.add(this.button).removeClass(this.options.classes) |
| .addClass(value); |
| break; |
| case 'multiple': |
| menu.toggleClass('ui-multiselect-single', !value); |
| this.options.multiple = value; |
| this.element[0].multiple = value; |
| this.refresh(); |
| break; |
| case 'position': |
| this.position(); |
| } |
| |
| $.Widget.prototype._setOption.apply(this, arguments); |
| } |
| }); |
| |
| })(jQuery); |
