diff options
Diffstat (limited to 'app/assets/javascripts/jquery.ui.selectmenu.js')
| -rw-r--r-- | app/assets/javascripts/jquery.ui.selectmenu.js | 845 |
1 files changed, 845 insertions, 0 deletions
diff --git a/app/assets/javascripts/jquery.ui.selectmenu.js b/app/assets/javascripts/jquery.ui.selectmenu.js new file mode 100644 index 00000000000..d61d75f96ab --- /dev/null +++ b/app/assets/javascripts/jquery.ui.selectmenu.js @@ -0,0 +1,845 @@ + /* + * jQuery UI selectmenu dev version + * + * Copyright (c) 2009 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 + * https://github.com/fnagel/jquery-ui/wiki/Selectmenu + */ + +(function($) { + +$.widget("ui.selectmenu", { + getter: "value", + version: "1.8", + eventPrefix: "selectmenu", + options: { + transferClasses: true, + typeAhead: "sequential", + style: 'dropdown', + positionOptions: { + my: "left top", + at: "left bottom", + offset: null + }, + width: null, + menuWidth: null, + handleWidth: 26, + maxHeight: null, + icons: null, + format: null, + bgImage: function() {}, + wrapperElement: "<div />" + }, + + _create: function() { + var self = this, o = this.options; + + // set a default id value, generate a new random one if not set by developer + var selectmenuId = this.element.attr( 'id' ) || 'ui-selectmenu-' + Math.random().toString( 16 ).slice( 2, 10 ); + + // quick array of button and menu id's + this.ids = [ selectmenuId + '-button', selectmenuId + '-menu' ]; + + // define safe mouseup for future toggling + this._safemouseup = true; + + // create menu button wrapper + this.newelement = $( '<a />', { + 'class': this.widgetBaseClass + ' ui-widget ui-state-default ui-corner-all', + 'id' : this.ids[ 0 ], + 'role': 'button', + 'href': '#nogo', + 'tabindex': this.element.attr( 'disabled' ) ? 1 : 0, + 'aria-haspopup': true, + 'aria-owns': this.ids[ 1 ] + }); + this.newelementWrap = $( o.wrapperElement ) + .append( this.newelement ) + .insertAfter( this.element ); + + // transfer tabindex + var tabindex = this.element.attr( 'tabindex' ); + if ( tabindex ) { + this.newelement.attr( 'tabindex', tabindex ); + } + + // save reference to select in data for ease in calling methods + this.newelement.data( 'selectelement', this.element ); + + // menu icon + this.selectmenuIcon = $( '<span class="' + this.widgetBaseClass + '-icon ui-icon"></span>' ) + .prependTo( this.newelement ); + + // append status span to button + this.newelement.prepend( '<span class="' + self.widgetBaseClass + '-status" />' ); + + // make associated form label trigger focus + $( 'label[for="' + selectmenuId + '"]' ) + .attr( 'for', this.ids[0] ) + .bind( 'click.selectmenu', function() { + self.newelement[0].focus(); + return false; + }); + + // click toggle for menu visibility + this.newelement + .bind('mousedown.selectmenu', function(event) { + self._toggle(event, true); + // make sure a click won't open/close instantly + if (o.style == "popup") { + self._safemouseup = false; + setTimeout(function() { self._safemouseup = true; }, 300); + } + return false; + }) + .bind('click.selectmenu', function() { + return false; + }) + .bind("keydown.selectmenu", function(event) { + var ret = false; + switch (event.keyCode) { + case $.ui.keyCode.ENTER: + ret = true; + break; + case $.ui.keyCode.SPACE: + self._toggle(event); + break; + case $.ui.keyCode.UP: + if (event.altKey) { + self.open(event); + } else { + self._moveSelection(-1); + } + break; + case $.ui.keyCode.DOWN: + if (event.altKey) { + self.open(event); + } else { + self._moveSelection(1); + } + break; + case $.ui.keyCode.LEFT: + self._moveSelection(-1); + break; + case $.ui.keyCode.RIGHT: + self._moveSelection(1); + break; + case $.ui.keyCode.TAB: + ret = true; + break; + default: + ret = true; + } + return ret; + }) + .bind('keypress.selectmenu', function(event) { + self._typeAhead(event.which, 'mouseup'); + return true; + }) + .bind('mouseover.selectmenu focus.selectmenu', function() { + if (!o.disabled) { + $(this).addClass(self.widgetBaseClass + '-focus ui-state-hover'); + } + }) + .bind('mouseout.selectmenu blur.selectmenu', function() { + if (!o.disabled) { + $(this).removeClass(self.widgetBaseClass + '-focus ui-state-hover'); + } + }); + + // document click closes menu + $(document).bind("mousedown.selectmenu", function(event) { + self.close(event); + }); + + // change event on original selectmenu + this.element + .bind("click.selectmenu", function() { + self._refreshValue(); + }) + // FIXME: newelement can be null under unclear circumstances in IE8 + // TODO not sure if this is still a problem (fnagel 20.03.11) + .bind("focus.selectmenu", function() { + if (self.newelement) { + self.newelement[0].focus(); + } + }); + + // set width when not set via options + if (!o.width) { + o.width = this.element.outerWidth(); + } + // set menu button width + this.newelement.width(o.width); + + // hide original selectmenu element + this.element.hide(); + + // create menu portion, append to body + this.list = $( '<ul />', { + 'class': 'ui-widget ui-widget-content', + 'aria-hidden': true, + 'role': 'listbox', + 'aria-labelledby': this.ids[0], + 'id': this.ids[1] + }); + this.listWrap = $( o.wrapperElement ) + .addClass( self.widgetBaseClass + '-menu' ) + .append( this.list ) + .appendTo( 'body' ); + + // transfer menu click to menu button + this.list + .bind("keydown.selectmenu", function(event) { + var ret = false; + switch (event.keyCode) { + case $.ui.keyCode.UP: + if (event.altKey) { + self.close(event, true); + } else { + self._moveFocus(-1); + } + break; + case $.ui.keyCode.DOWN: + if (event.altKey) { + self.close(event, true); + } else { + self._moveFocus(1); + } + break; + case $.ui.keyCode.LEFT: + self._moveFocus(-1); + break; + case $.ui.keyCode.RIGHT: + self._moveFocus(1); + break; + case $.ui.keyCode.HOME: + self._moveFocus(':first'); + break; + case $.ui.keyCode.PAGE_UP: + self._scrollPage('up'); + break; + case $.ui.keyCode.PAGE_DOWN: + self._scrollPage('down'); + break; + case $.ui.keyCode.END: + self._moveFocus(':last'); + break; + case $.ui.keyCode.ENTER: + case $.ui.keyCode.SPACE: + self.close(event, true); + $(event.target).parents('li:eq(0)').trigger('mouseup'); + break; + case $.ui.keyCode.TAB: + ret = true; + self.close(event, true); + $(event.target).parents('li:eq(0)').trigger('mouseup'); + break; + case $.ui.keyCode.ESCAPE: + self.close(event, true); + break; + default: + ret = true; + } + return ret; + }) + .bind('keypress.selectmenu', function(event) { + self._typeAhead(event.which, 'focus'); + return true; + }) + // this allows for using the scrollbar in an overflowed list + .bind( 'mousedown.selectmenu mouseup.selectmenu', function() { return false; }); + + // needed when window is resized + // TODO seems to be useless, but causes errors (fnagel 01.08.11) + // see: https://github.com/fnagel/jquery-ui/issues/147 + // $(window).bind( "resize.selectmenu", $.proxy( self._refreshPosition, this ) ); + }, + + _init: function() { + var self = this, o = this.options; + + // serialize selectmenu element options + var selectOptionData = []; + this.element + .find('option') + .each(function() { + var opt = $(this); + selectOptionData.push({ + value: opt.attr('value'), + text: self._formatText(opt.text()), + selected: opt.attr('selected'), + disabled: opt.attr('disabled'), + classes: opt.attr('class'), + typeahead: opt.attr('typeahead'), + parentOptGroup: opt.parent('optgroup'), + bgImage: o.bgImage.call(opt) + }); + }); + + // active state class is only used in popup style + var activeClass = (self.options.style == "popup") ? " ui-state-active" : ""; + + // empty list so we can refresh the selectmenu via selectmenu() + this.list.html(""); + + // write li's + if (selectOptionData.length) { + for (var i = 0; i < selectOptionData.length; i++) { + var thisLiAttr = { role : 'presentation' }; + if ( selectOptionData[ i ].disabled ) { + thisLiAttr[ 'class' ] = this.namespace + '-state-disabled'; + } + var thisAAttr = { + html: selectOptionData[i].text, + href : '#nogo', + tabindex : -1, + role : 'option', + 'aria-selected' : false + }; + if ( selectOptionData[ i ].disabled ) { + thisAAttr[ 'aria-disabled' ] = selectOptionData[ i ].disabled; + } + if ( selectOptionData[ i ].typeahead ) { + thisAAttr[ 'typeahead' ] = selectOptionData[ i ].typeahead; + } + var thisA = $('<a/>', thisAAttr); + var thisLi = $('<li/>', thisLiAttr) + .append(thisA) + .data('index', i) + .addClass(selectOptionData[i].classes) + .data('optionClasses', selectOptionData[i].classes || '') + .bind("mouseup.selectmenu", function(event) { + if (self._safemouseup && !self._disabled(event.currentTarget) && !self._disabled($( event.currentTarget ).parents( "ul>li." + self.widgetBaseClass + "-group " )) ) { + var changed = $(this).data('index') != self._selectedIndex(); + self.index($(this).data('index')); + self.select(event); + if (changed) { + self.change(event); + } + self.close(event, true); + } + return false; + }) + .bind("click.selectmenu", function() { + return false; + }) + .bind('mouseover.selectmenu focus.selectmenu', function(e) { + // no hover if diabled + if (!$(e.currentTarget).hasClass(self.namespace + '-state-disabled') && !$(e.currentTarget).parent("ul").parent("li").hasClass(self.namespace + '-state-disabled')) { + self._selectedOptionLi().addClass(activeClass); + self._focusedOptionLi().removeClass(self.widgetBaseClass + '-item-focus ui-state-hover'); + $(this).removeClass('ui-state-active').addClass(self.widgetBaseClass + '-item-focus ui-state-hover'); + } + }) + .bind('mouseout.selectmenu blur.selectmenu', function() { + if ($(this).is(self._selectedOptionLi().selector)) { + $(this).addClass(activeClass); + } + $(this).removeClass(self.widgetBaseClass + '-item-focus ui-state-hover'); + }); + + // optgroup or not... + if ( selectOptionData[i].parentOptGroup.length ) { + var optGroupName = self.widgetBaseClass + '-group-' + this.element.find( 'optgroup' ).index( selectOptionData[i].parentOptGroup ); + if (this.list.find( 'li.' + optGroupName ).length ) { + this.list.find( 'li.' + optGroupName + ':last ul' ).append( thisLi ); + } else { + $(' <li role="presentation" class="' + self.widgetBaseClass + '-group ' + optGroupName + (selectOptionData[i].parentOptGroup.attr("disabled") ? ' ' + this.namespace + '-state-disabled" aria-disabled="true"' : '"' ) + '><span class="' + self.widgetBaseClass + '-group-label">' + selectOptionData[i].parentOptGroup.attr('label') + '</span><ul></ul></li> ') + .appendTo( this.list ) + .find( 'ul' ) + .append( thisLi ); + } + } else { + thisLi.appendTo(this.list); + } + + // append icon if option is specified + if (o.icons) { + for (var j in o.icons) { + if (thisLi.is(o.icons[j].find)) { + thisLi + .data('optionClasses', selectOptionData[i].classes + ' ' + self.widgetBaseClass + '-hasIcon') + .addClass(self.widgetBaseClass + '-hasIcon'); + var iconClass = o.icons[j].icon || ""; + thisLi + .find('a:eq(0)') + .prepend('<span class="' + self.widgetBaseClass + '-item-icon ui-icon ' + iconClass + '"></span>'); + if (selectOptionData[i].bgImage) { + thisLi.find('span').css('background-image', selectOptionData[i].bgImage); + } + } + } + } + } + } else { + $('<li role="presentation"><a href="#nogo" tabindex="-1" role="option"></a></li>').appendTo(this.list); + } + // we need to set and unset the CSS classes for dropdown and popup style + var isDropDown = ( o.style == 'dropdown' ); + this.newelement + .toggleClass( self.widgetBaseClass + '-dropdown', isDropDown ) + .toggleClass( self.widgetBaseClass + '-popup', !isDropDown ); + this.list + .toggleClass( self.widgetBaseClass + '-menu-dropdown ui-corner-bottom', isDropDown ) + .toggleClass( self.widgetBaseClass + '-menu-popup ui-corner-all', !isDropDown ) + // add corners to top and bottom menu items + .find( 'li:first' ) + .toggleClass( 'ui-corner-top', !isDropDown ) + .end().find( 'li:last' ) + .addClass( 'ui-corner-bottom' ); + this.selectmenuIcon + .toggleClass( 'ui-icon-triangle-1-s', isDropDown ) + .toggleClass( 'ui-icon-triangle-2-n-s', !isDropDown ); + + // transfer classes to selectmenu and list + if ( o.transferClasses ) { + var transferClasses = this.element.attr( 'class' ) || ''; + this.newelement.add( this.list ).addClass( transferClasses ); + } + + // set menu width to either menuWidth option value, width option value, or select width + if ( o.style == 'dropdown' ) { + this.list.width( o.menuWidth ? o.menuWidth : o.width ); + } else { + this.list.width( o.menuWidth ? o.menuWidth : o.width - o.handleWidth ); + } + + // reset height to auto + this.list.css( 'height', 'auto' ); + var listH = this.listWrap.height(); + // calculate default max height + if ( o.maxHeight && o.maxHeight < listH ) { + this.list.height( o.maxHeight ); + } else { + var winH = $( window ).height() / 3; + if ( winH < listH ) this.list.height( winH ); + } + + // save reference to actionable li's (not group label li's) + this._optionLis = this.list.find( 'li:not(.' + self.widgetBaseClass + '-group)' ); + + // transfer disabled state + if ( this.element.attr( 'disabled' ) ) { + this.disable(); + } else { + this.enable() + } + + // update value + this.index( this._selectedIndex() ); + + // needed when selectmenu is placed at the very bottom / top of the page + window.setTimeout( function() { + self._refreshPosition(); + }, 200 ); + }, + + destroy: function() { + this.element.removeData( this.widgetName ) + .removeClass( this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled' ) + .removeAttr( 'aria-disabled' ) + .unbind( ".selectmenu" ); + + // TODO unneded as event binding has been disabled + // $( window ).unbind( ".selectmenu" ); + $( document ).unbind( ".selectmenu" ); + + // unbind click on label, reset its for attr + $( 'label[for=' + this.newelement.attr('id') + ']' ) + .attr( 'for', this.element.attr( 'id' ) ) + .unbind( '.selectmenu' ); + + this.newelementWrap.remove(); + this.listWrap.remove(); + + this.element.show(); + + // call widget destroy function + $.Widget.prototype.destroy.apply(this, arguments); + }, + + _typeAhead: function( code, eventType ){ + var self = this, focusFound = false, C = String.fromCharCode(code).toUpperCase(); + c = C.toLowerCase(); + + if ( self.options.typeAhead == 'sequential' ) { + // clear the timeout so we can use _prevChar + window.clearTimeout('ui.selectmenu-' + self.selectmenuId); + + // define our find var + var find = typeof( self._prevChar ) == 'undefined' ? '' : self._prevChar.join( '' ); + + function focusOptSeq( elem, ind, c ){ + focusFound = true; + $( elem ).trigger( eventType ); + typeof( self._prevChar ) == 'undefined' ? self._prevChar = [ c ] : self._prevChar[ self._prevChar.length ] = c; + } + this.list.find( 'li a' ).each( function( i ) { + if ( !focusFound ) { + // allow the typeahead attribute on the option tag for a more specific lookup + var thisText = $( this ).attr( 'typeahead' ) || $(this).text(); + if ( thisText.indexOf( find + C ) === 0 ) { + focusOptSeq( this, i, C ); + } else if (thisText.indexOf(find+c) === 0 ) { + focusOptSeq( this, i, c ); + } + } + }); + // set a 1 second timeout for sequenctial typeahead + // keep this set even if we have no matches so it doesnt typeahead somewhere else + window.setTimeout( function( el ) { + self._prevChar = undefined; + }, 1000, self ); + + } else { + // define self._prevChar if needed + if ( !self._prevChar ) { self._prevChar = [ '' , 0 ]; } + + focusFound = false; + function focusOpt( elem, ind ){ + focusFound = true; + $( elem ).trigger( eventType ); + self._prevChar[ 1 ] = ind; + } + this.list.find( 'li a' ).each(function( i ){ + if (!focusFound){ + var thisText = $(this).text(); + if ( thisText.indexOf( C ) === 0 || thisText.indexOf( c ) === 0 ) { + if (self._prevChar[0] == C){ + if ( self._prevChar[ 1 ] < i ){ focusOpt( this, i ); } + } else{ + focusOpt( this, i ); + } + } + } + }); + this._prevChar[ 0 ] = C; + } + }, + + // returns some usefull information, called by callbacks only + _uiHash: function() { + var index = this.index(); + return { + index: index, + option: $("option", this.element).get(index), + value: this.element[0].value + }; + }, + + open: function(event) { + var self = this, o = this.options; + if ( self.newelement.attr("aria-disabled") != 'true' ) { + self._closeOthers(event); + self.newelement.addClass('ui-state-active'); + + self.listWrap.appendTo( o.appendTo ); + self.list.attr('aria-hidden', false); + + if ( o.style == "dropdown" ) { + self.newelement.removeClass('ui-corner-all').addClass('ui-corner-top'); + } + + self.listWrap.addClass( self.widgetBaseClass + '-open' ); + // positioning needed for IE7 (tested 01.08.11 on MS VPC Image) + // see https://github.com/fnagel/jquery-ui/issues/147 + if ( $.browser.msie && $.browser.version.substr( 0,1 ) == 7 ) { + self._refreshPosition(); + } + var selected = self.list.attr('aria-hidden', false).find('li:not(.' + self.widgetBaseClass + '-group):eq(' + self._selectedIndex() + '):visible a'); + if (selected.length) selected[0].focus(); + // positioning needed for FF, Chrome, IE8, IE7, IE6 (tested 01.08.11 on MS VPC Image) + self._refreshPosition(); + + self._trigger("open", event, self._uiHash()); + } + }, + + close: function(event, retainFocus) { + if ( this.newelement.is('.ui-state-active') ) { + this.newelement + .removeClass('ui-state-active'); + this.listWrap.removeClass(this.widgetBaseClass + '-open'); + this.list.attr('aria-hidden', true); + if ( this.options.style == "dropdown" ) { + this.newelement.removeClass('ui-corner-top').addClass('ui-corner-all'); + } + if ( retainFocus ) { + this.newelement.focus(); + } + this._trigger("close", event, this._uiHash()); + } + }, + + change: function(event) { + this.element.trigger("change"); + this._trigger("change", event, this._uiHash()); + }, + + select: function(event) { + if (this._disabled(event.currentTarget)) { return false; } + this._trigger("select", event, this._uiHash()); + }, + + _closeOthers: function(event) { + $('.' + this.widgetBaseClass + '.ui-state-active').not(this.newelement).each(function() { + $(this).data('selectelement').selectmenu('close', event); + }); + $('.' + this.widgetBaseClass + '.ui-state-hover').trigger('mouseout'); + }, + + _toggle: function(event, retainFocus) { + if ( this.list.parent().is('.' + this.widgetBaseClass + '-open') ) { + this.close(event, retainFocus); + } else { + this.open(event); + } + }, + + _formatText: function(text) { + return (this.options.format ? this.options.format(text) : text); + }, + + _selectedIndex: function() { + return this.element[0].selectedIndex; + }, + + _selectedOptionLi: function() { + return this._optionLis.eq(this._selectedIndex()); + }, + + _focusedOptionLi: function() { + return this.list.find('.' + this.widgetBaseClass + '-item-focus'); + }, + + _moveSelection: function(amt, recIndex) { + // do nothing if disabled + if (!this.options.disabled) { + var currIndex = parseInt(this._selectedOptionLi().data('index') || 0, 10); + var newIndex = currIndex + amt; + // do not loop when using up key + + if (newIndex < 0) { + newIndex = 0; + } + if (newIndex > this._optionLis.size() - 1) { + newIndex = this._optionLis.size() - 1; + } + // Occurs when a full loop has been made + if (newIndex === recIndex) { return false; } + + if (this._optionLis.eq(newIndex).hasClass( this.namespace + '-state-disabled' )) { + // if option at newIndex is disabled, call _moveFocus, incrementing amt by one + (amt > 0) ? ++amt : --amt; + this._moveSelection(amt, newIndex); + } else { + return this._optionLis.eq(newIndex).trigger('mouseup'); + } + } + }, + + _moveFocus: function(amt, recIndex) { + if (!isNaN(amt)) { + var currIndex = parseInt(this._focusedOptionLi().data('index') || 0, 10); + var newIndex = currIndex + amt; + } else { + var newIndex = parseInt(this._optionLis.filter(amt).data('index'), 10); + } + + if (newIndex < 0) { + newIndex = 0; + } + if (newIndex > this._optionLis.size() - 1) { + newIndex = this._optionLis.size() - 1; + } + + //Occurs when a full loop has been made + if (newIndex === recIndex) { return false; } + + var activeID = this.widgetBaseClass + '-item-' + Math.round(Math.random() * 1000); + + this._focusedOptionLi().find('a:eq(0)').attr('id', ''); + + if (this._optionLis.eq(newIndex).hasClass( this.namespace + '-state-disabled' )) { + // if option at newIndex is disabled, call _moveFocus, incrementing amt by one + (amt > 0) ? ++amt : --amt; + this._moveFocus(amt, newIndex); + } else { + this._optionLis.eq(newIndex).find('a:eq(0)').attr('id',activeID).focus(); + } + + this.list.attr('aria-activedescendant', activeID); + }, + + _scrollPage: function(direction) { + var numPerPage = Math.floor(this.list.outerHeight() / this.list.find('li:first').outerHeight()); + numPerPage = (direction == 'up' ? -numPerPage : numPerPage); + this._moveFocus(numPerPage); + }, + + _setOption: function(key, value) { + this.options[key] = value; + // set + if (key == 'disabled') { + this.close(); + this.element + .add(this.newelement) + .add(this.list)[value ? 'addClass' : 'removeClass']( + this.widgetBaseClass + '-disabled' + ' ' + + this.namespace + '-state-disabled') + .attr("aria-disabled", value); + } + }, + + disable: function(index, type){ + // if options is not provided, call the parents disable function + if ( typeof( index ) == 'undefined' ) { + this._setOption( 'disabled', true ); + } else { + if ( type == "optgroup" ) { + this._disableOptgroup(index); + } else { + this._disableOption(index); + } + } + }, + + enable: function(index, type) { + // if options is not provided, call the parents enable function + if ( typeof( index ) == 'undefined' ) { + this._setOption('disabled', false); + } else { + if ( type == "optgroup" ) { + this._enableOptgroup(index); + } else { + this._enableOption(index); + } + } + }, + + _disabled: function(elem) { + return $(elem).hasClass( this.namespace + '-state-disabled' ); + }, + + + _disableOption: function(index) { + var optionElem = this._optionLis.eq(index); + if (optionElem) { + optionElem.addClass(this.namespace + '-state-disabled') + .find("a").attr("aria-disabled", true); + this.element.find("option").eq(index).attr("disabled", "disabled"); + } + }, + + _enableOption: function(index) { + var optionElem = this._optionLis.eq(index); + if (optionElem) { + optionElem.removeClass( this.namespace + '-state-disabled' ) + .find("a").attr("aria-disabled", false); + this.element.find("option").eq(index).removeAttr("disabled"); + } + }, + + _disableOptgroup: function(index) { + var optGroupElem = this.list.find( 'li.' + this.widgetBaseClass + '-group-' + index ); + if (optGroupElem) { + optGroupElem.addClass(this.namespace + '-state-disabled') + .attr("aria-disabled", true); + this.element.find("optgroup").eq(index).attr("disabled", "disabled"); + } + }, + + _enableOptgroup: function(index) { + var optGroupElem = this.list.find( 'li.' + this.widgetBaseClass + '-group-' + index ); + if (optGroupElem) { + optGroupElem.removeClass(this.namespace + '-state-disabled') + .attr("aria-disabled", false); + this.element.find("optgroup").eq(index).removeAttr("disabled"); + } + }, + + index: function(newValue) { + if (arguments.length) { + if (!this._disabled($(this._optionLis[newValue]))) { + this.element[0].selectedIndex = newValue; + this._refreshValue(); + } else { + return false; + } + } else { + return this._selectedIndex(); + } + }, + + value: function(newValue) { + if (arguments.length) { + this.element[0].value = newValue; + this._refreshValue(); + } else { + return this.element[0].value; + } + }, + + _refreshValue: function() { + var activeClass = (this.options.style == "popup") ? " ui-state-active" : ""; + var activeID = this.widgetBaseClass + '-item-' + Math.round(Math.random() * 1000); + // deselect previous + this.list + .find('.' + this.widgetBaseClass + '-item-selected') + .removeClass(this.widgetBaseClass + "-item-selected" + activeClass) + .find('a') + .attr('aria-selected', 'false') + .attr('id', ''); + // select new + this._selectedOptionLi() + .addClass(this.widgetBaseClass + "-item-selected" + activeClass) + .find('a') + .attr('aria-selected', 'true') + .attr('id', activeID); + + // toggle any class brought in from option + var currentOptionClasses = (this.newelement.data('optionClasses') ? this.newelement.data('optionClasses') : ""); + var newOptionClasses = (this._selectedOptionLi().data('optionClasses') ? this._selectedOptionLi().data('optionClasses') : ""); + this.newelement + .removeClass(currentOptionClasses) + .data('optionClasses', newOptionClasses) + .addClass( newOptionClasses ) + .find('.' + this.widgetBaseClass + '-status') + .html( + this._selectedOptionLi() + .find('a:eq(0)') + .html() + ); + + this.list.attr('aria-activedescendant', activeID); + }, + + _refreshPosition: function() { + var o = this.options; + + // if its a native pop-up we need to calculate the position of the selected li + if ( o.style == "popup" && !o.positionOptions.offset ) { + var selected = this._selectedOptionLi(); + var _offset = "0 -" + ( selected.outerHeight() + selected.offset().top - this.list.offset().top ); + } + // update zIndex if jQuery UI is able to process + var zIndexElement = this.element.zIndex(); + if ( zIndexElement ) { + this.listWrap.css( 'zIndex', zIndexElement ); + } + this.listWrap.position({ + // set options for position plugin + of: o.positionOptions.of || this.newelement, + my: o.positionOptions.my, + at: o.positionOptions.at, + offset: o.positionOptions.offset || _offset, + collision: o.positionOptions.collision || 'flip' + }); + } +}); + +})(jQuery); |