Make event category choice multiselect

2 files changed, 681 insertions, 0 deletions

diff --git a/core/css/jquery.multiselect.css b/core/css/jquery.multiselect.css
new file mode 100644
index 00000000000..156799f0869
--- /dev/null
+++ b/core/css/jquery.multiselect.css
@@ -0,0 +1,23 @@
+.ui-multiselect { padding:2px 0 2px 4px; text-align:left }
+.ui-multiselect span.ui-icon { float:right }
+.ui-multiselect-single .ui-multiselect-checkboxes input { position:absolute !important; top: auto !important; left:-9999px; }
+.ui-multiselect-single .ui-multiselect-checkboxes label { padding:5px !important }
+
+.ui-multiselect-header { margin-bottom:3px; padding:3px 0 3px 4px }
+.ui-multiselect-header ul { font-size:0.9em }
+.ui-multiselect-header ul li { float:left; padding:0 10px 0 0 }
+.ui-multiselect-header a { text-decoration:none }
+.ui-multiselect-header a:hover { text-decoration:underline }
+.ui-multiselect-header span.ui-icon { float:left }
+.ui-multiselect-header li.ui-multiselect-close { float:right; text-align:right; padding-right:0 }
+
+.ui-multiselect-menu { display:none; padding:3px; position:absolute; z-index:10000 }
+.ui-multiselect-checkboxes { position:relative /* fixes bug in IE6/7 */; overflow-y:scroll }
+.ui-multiselect-checkboxes label { cursor:default; display:block; border:1px solid transparent; padding:3px 1px }
+.ui-multiselect-checkboxes label input { position:relative; top:1px }
+.ui-multiselect-checkboxes li { clear:both; font-size:0.9em; padding-right:3px }
+.ui-multiselect-checkboxes li.ui-multiselect-optgroup-label { text-align:center; font-weight:bold; border-bottom:1px solid }
+.ui-multiselect-checkboxes li.ui-multiselect-optgroup-label a { display:block; padding:3px; margin:1px 0; text-decoration:none }
+
+/* remove label borders in IE6 because IE6 does not support transparency */
+* html .ui-multiselect-checkboxes label { border:none }
diff --git a/core/js/jquery.multiselect.js b/core/js/jquery.multiselect.js
new file mode 100644
index 00000000000..46aab7ebf01
--- /dev/null
+++ b/core/js/jquery.multiselect.js
@@ -0,0 +1,658 @@
+/*
+ * jQuery MultiSelect UI Widget 1.11
+ * Copyright (c) 2011 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($, undefined){
+
+var multiselectID = 0;
+
+$.widget("ech.multiselect", {
+
+	// default options
+	options: {
+		header: true,
+		height: 175,
+		minWidth: 225,
+		classes: '',
+		checkAllText: 'Check all',
+		uncheckAllText: 'Uncheck all',
+		noneSelectedText: 'Select options',
+		selectedText: '# selected',
+		selectedList: 0,
+		show: '',
+		hide: '',
+		autoOpen: false,
+		multiple: true,
+		position: {}
+	},
+
+	_create: function(){
+		var el = this.element.hide(),
+			o = this.options;
+
+		this.speed = $.fx.speeds._default; // default speed for effects
+		this._isOpen = false; // assume no
+
+		var
+			button = (this.button = $('<button type="button"><span class="ui-icon ui-icon-triangle-2-n-s"></span></button>'))
+				.addClass('ui-multiselect ui-widget ui-state-default ui-corner-all')
+				.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-widget ui-widget-content ui-corner-all')
+				.addClass( o.classes )
+				.insertAfter( button ),
+
+			header = (this.header = $('<div />'))
+				.addClass('ui-widget-header ui-corner-all ui-multiselect-header ui-helper-clearfix')
+				.appendTo( menu ),
+
+			headerLinkContainer = (this.headerLinkContainer = $('<ul />'))
+				.addClass('ui-helper-reset')
+				.html(function(){
+					if( o.header === true ){
+						return '<li><a class="ui-multiselect-all" href="#"><span class="ui-icon ui-icon-check"></span><span>' + o.checkAllText + '</span></a></li><li><a class="ui-multiselect-none" href="#"><span class="ui-icon ui-icon-closethick"></span><span>' + 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"><span class="ui-icon ui-icon-circle-close"></span></a></li>')
+				.appendTo( header ),
+
+			checkboxContainer = (this.checkboxContainer = $('<ul />'))
+				.addClass('ui-multiselect-checkboxes ui-helper-reset')
+				.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');
+		}
+	},
+
+	_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,
+			o = this.options,
+			menu = this.menu,
+			checkboxContainer = this.checkboxContainer,
+			optgroups = [],
+			html = [],
+			id = el.attr('id') || multiselectID++; // unique ID for the label & option tags
+
+		// build items
+		this.element.find('option').each(function( i ){
+			var $this = $(this),
+				parent = this.parentNode,
+				title = this.innerHTML,
+				description = this.title,
+				value = this.value,
+				inputID = this.id || 'ui-multiselect-'+id+'-option-'+i,
+				isDisabled = this.disabled,
+				isSelected = this.selected,
+				labelClasses = ['ui-corner-all'],
+				optLabel;
+
+			// is this an optgroup?
+			if( parent.tagName.toLowerCase() === 'optgroup' ){
+				optLabel = parent.getAttribute('label');
+
+				// has this optgroup been added already?
+				if( $.inArray(optLabel, optgroups) === -1 ){
+					html.push('<li class="ui-multiselect-optgroup-label"><a href="#">' + optLabel + '</a></li>');
+					optgroups.push( optLabel );
+				}
+			}
+
+			if( isDisabled ){
+				labelClasses.push('ui-state-disabled');
+			}
+
+			// browsers automatically select the first option
+			// by default with single selects
+			if( isSelected && !o.multiple ){
+				labelClasses.push('ui-state-active');
+			}
+
+			html.push('<li class="' + (isDisabled ? 'ui-multiselect-disabled' : '') + '">');
+
+			// create the label
+			html.push('<label for="'+inputID+'" title="'+description+'" class="'+labelClasses.join(' ')+ '">');
+			html.push('<input id="'+inputID+'" name="multiselect_'+id+'" type="'+(o.multiple ? "checkbox" : "radio")+'" value="'+value+'" title="'+title+'"');
+
+			// pre-selected?
+			if( isSelected ){
+				html.push(' checked="checked"');
+				html.push(' aria-selected="true"');
+			}
+
+			// disabled?
+			if( isDisabled ){
+				html.push(' disabled="disabled"');
+				html.push(' aria-disabled="true"');
+			}
+
+			// add the title and close everything off
+			html.push(' /><span>' + title + '</span></label></li>');
+		});
+
+		// insert into the DOM
+		checkboxContainer.html( html.join('') );
+
+		// cache some moar useful elements
+		this.labels = menu.find('label');
+
+		// 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,
+			$inputs = this.labels.find('input'),
+			$checked = $inputs.filter(':checked'),
+			numChecked = $checked.length,
+			value;
+
+		if( numChecked === 0 ){
+			value = o.noneSelectedText;
+		} else {
+			if($.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.title; }).get().join(', ');
+			} else {
+				value = o.selectedText.replace('#', numChecked).replace('#', $inputs.length);
+			}
+		}
+
+		this.buttonlabel.html( value );
+		return value;
+	},
+
+	// binds events
+	_bindEvents: function(){
+		var self = this, button = this.button;
+
+		function clickHandler(){
+			self[ self._isOpen ? 'close' : 'open' ]();
+			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-disabled') ){
+					$(this).addClass('ui-state-hover');
+				}
+			},
+			mouseleave: function(){
+				$(this).removeClass('ui-state-hover');
+			},
+			focus: function(){
+				if( !button.hasClass('ui-state-disabled') ){
+					$(this).addClass('ui-state-focus');
+				}
+			},
+			blur: function(){
+				$(this).removeClass('ui-state-focus');
+			}
+		});
+
+		// 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),
+					$inputs = $this.parent().nextUntil('li.ui-multiselect-optgroup-label').find('input:visible:not(:disabled)'),
+				    nodes = $inputs.get(),
+				    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-disabled') ){
+					self.labels.removeClass('ui-state-hover');
+					$(this).addClass('ui-state-hover').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),
+					val = this.value,
+					checked = this.checked,
+					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;
+				}
+
+				// 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-active');
+					$this.closest('label').toggleClass('ui-state-active', checked );
+
+					// close menu
+					self.close();
+				}
+
+				// fire change on the select box
+				self.element.trigger("change");
+
+				// setTimeout is to fix multiselect issue #14 and #47. caused by jQuery issue #3827
+				// http://bugs.jquery.com/ticket/3827
+				setTimeout($.proxy(self.update, self), 10);
+			});
+
+		// close each widget when clicking on any other element/anywhere else on the page
+		$(document).bind('mousedown.multiselect', function( e ){
+			if(self._isOpen && !$.contains(self.menu[0], e.target) && !$.contains(self.button[0], e.target) && e.target !== self.button[0]){
+				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(function(){ self.update(); }, 10);
+		});
+	},
+
+	// set button width
+	_setButtonWidth: function(){
+		var width = this.element.outerWidth(),
+			o = this.options;
+
+		if( /\d/.test(o.minWidth) && width < o.minWidth){
+			width = o.minWidth;
+		}
+
+		// set widths
+		this.button.width( width );
+	},
+
+	// set menu width
+	_setMenuWidth: function(){
+		var m = this.menu,
+			width = this.button.outerWidth()-
+				parseInt(m.css('padding-left'),10)-
+				parseInt(m.css('padding-right'),10)-
+				parseInt(m.css('border-right-width'),10)-
+				parseInt(m.css('border-left-width'),10);
+
+		m.width( width || this.button.outerWidth() );
+	},
+
+	// move up or down within the menu
+	_traverse: function( which, start ){
+		var $start = $(start),
+			moveToLast = which === 38 || which === 37,
+
+			// select the first li that isn't an optgroup label / disabled
+			$next = $start.parent()[moveToLast ? 'prevAll' : 'nextAll']('li:not(.ui-multiselect-disabled, .ui-multiselect-optgroup-label)')[ moveToLast ? 'last' : 'first']();
+
+		// if at the first/last element
+		if( !$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.
+	_toggleCheckbox: function( prop, flag ){
+		return function(){
+			!this.disabled && (this[ prop ] = flag);
+
+			if( flag ){
+				this.setAttribute('aria-selected', true);
+			} else {
+				this.removeAttribute('aria-selected');
+			}
+		}
+	},
+
+	_toggleChecked: function( flag, group ){
+		var $inputs = (group && group.length) ?
+			group :
+			this.labels.find('input'),
+
+			self = this;
+
+		// toggle state on inputs
+		$inputs.each(this._toggleCheckbox('checked', flag));
+
+		// update button text
+		this.update();
+
+		// gather an array of the values that actually changed
+		var values = $inputs.map(function(){
+			return this.value;
+		}).get();
+
+		// toggle state on original option tags
+		this.element
+			.find('option')
+			.each(function(){
+				if( !this.disabled && $.inArray(this.value, values) > -1 ){
+					self._toggleCheckbox('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-disabled');
+
+		this.menu
+			.find('input')
+			.attr({ 'disabled':flag, 'aria-disabled':flag })
+			.parent()[ flag ? 'addClass' : 'removeClass' ]('ui-state-disabled');
+
+		this.element
+			.attr({ 'disabled':flag, 'aria-disabled':flag });
+	},
+
+	// open the menu
+	open: function( e ){
+		var self = this,
+			button = this.button,
+			menu = this.menu,
+			speed = this.speed,
+			o = this.options;
+
+		// bail if the multiselectopen event returns false, this widget is disabled, or is already open
+		if( this._trigger('beforeopen') === false || button.hasClass('ui-state-disabled') || this._isOpen ){
+			return;
+		}
+
+		var $container = menu.find('ul:last'),
+			effect = o.show,
+			pos = button.position();
+
+		// figure out opening effects/speeds
+		if( $.isArray(o.show) ){
+			effect = o.show[0];
+			speed = o.show[1] || self.speed;
+		}
+
+		// set the scroll of the checkbox container
+		$container.scrollTop(0).height(o.height);
+
+		// position and show menu
+		if( $.ui.position && !$.isEmptyObject(o.position) ){
+			o.position.of = o.position.of || button;
+
+			menu
+				.show()
+				.position( o.position )
+				.hide()
+				.show( effect, speed );
+
+		// if position utility is not available...
+		} else {
+			menu.css({
+				top: pos.top+button.outerHeight(),
+				left: pos.left
+			}).show( effect, speed );
+		}
+
+		// select the first 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.eq(0).trigger('mouseover').trigger('mouseenter').find('input').trigger('focus');
+
+		button.addClass('ui-state-active');
+		this._isOpen = true;
+		this._trigger('open');
+	},
+
+	// close the menu
+	close: function(){
+		if(this._trigger('beforeclose') === false){
+			return;
+		}
+
+		var o = this.options, effect = o.hide, speed = this.speed;
+
+		// figure out opening effects/speeds
+		if( $.isArray(o.hide) ){
+			effect = o.hide[0];
+			speed = o.hide[1] || this.speed;
+		}
+
+		this.menu.hide(effect, speed);
+		this.button.removeClass('ui-state-active').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 );
+
+		this.button.remove();
+		this.menu.remove();
+		this.element.show();
+
+		return this;
+	},
+
+	isOpen: function(){
+		return this._isOpen;
+	},
+
+	widget: function(){
+		return this.menu;
+	},
+
+	// 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;
+		}
+
+		$.Widget.prototype._setOption.apply( this, arguments );
+	}
+});
+
+})(jQuery);