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'ui-icon-triangle-2-n-s' : 'ui-icon-triangle-1-s' ); //make associated form label trigger focus $('label[for='+this.element.attr('id')+']') .attr('for', this.ids[0]) .bind('click', function(){ self.newelement[0].focus(); return false; }); //click toggle for menu visibility this.newelement .bind('mousedown', function(event){ self._toggle(event); //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',function(){ return false; }) .keydown(function(event){ var ret = true; switch (event.keyCode) { case $.ui.keyCode.ENTER: ret = true; break; case $.ui.keyCode.SPACE: ret = false; self._toggle(event); break; case $.ui.keyCode.UP: case $.ui.keyCode.LEFT: ret = false; self._moveSelection(-1); break; case $.ui.keyCode.DOWN: case $.ui.keyCode.RIGHT: ret = false; self._moveSelection(1); break; case $.ui.keyCode.TAB: ret = true; break; default: ret = false; self._typeAhead(event.keyCode, 'mouseup'); break; } return ret; }) .bind('mouseover focus', function(){ $(this).addClass(self.widgetBaseClass+'-focus ui-state-hover'); }) .bind('mouseout blur', function(){ $(this).removeClass(self.widgetBaseClass+'-focus ui-state-hover'); }); //document click closes menu $(document) .mousedown(function(event){ self.close(event); }); //change event on original selectmenu this.element .click(function(){ this._refreshValue(); }) .focus(function(){ this.newelement[0].focus(); }); //create menu portion, append to body var cornerClass = (o.style == "dropdown")? " ui-corner-bottom" : " ui-corner-all" this.list = $('').appendTo('body'); //serialize selectmenu element options var selectOptionData = []; this.element .find('option') .each(function(){ selectOptionData.push({ value: $(this).attr('value'), text: self._formatText(jQuery(this).text()), selected: $(this).attr('selected'), classes: $(this).attr('class'), parentOptGroup: $(this).parent('optgroup').attr('label') }); }); //active state class is only used in popup style var activeClass = (self.options.style == "popup") ? " ui-state-active" : ""; //write li's for(var i in selectOptionData){ var thisLi = $('
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o.width : selectWidth); //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) ? o.width : selectWidth)); } else { this.list.width( (o.menuWidth) ? o.menuWidth : ((o.width) ? o.width - o.handleWidth : selectWidth - o.handleWidth)); } //set max height from option if(o.maxHeight && o.maxHeight < this.list.height()){ this.list.height(o.maxHeight); } //save reference to actionable li's (not group label li's) this._optionLis = this.list.find('li:not(.'+ self.widgetBaseClass +'-group)'); //transfer menu click to menu button this.list .keydown(function(event){ var ret = true; switch (event.keyCode) { case $.ui.keyCode.UP: case $.ui.keyCode.LEFT: ret = false; self._moveFocus(-1); break; case $.ui.keyCode.DOWN: case $.ui.keyCode.RIGHT: ret = false; self._moveFocus(1); break; case $.ui.keyCode.HOME: ret = false; self._moveFocus(':first'); break; case $.ui.keyCode.PAGE_UP: ret = false; self._scrollPage('up'); break; case $.ui.keyCode.PAGE_DOWN: ret = false; self._scrollPage('down'); break; case $.ui.keyCode.END: ret = false; self._moveFocus(':last'); break; case $.ui.keyCode.ENTER: case $.ui.keyCode.SPACE: ret = false; self.close(event,true); $(event.target).parents('li:eq(0)').trigger('mouseup'); break; case $.ui.keyCode.TAB: ret = true; self.close(event,true); break; case $.ui.keyCode.ESCAPE: ret = false; self.close(event,true); break; default: ret = false; self._typeAhead(event.keyCode,'focus'); break; } return ret; }); //selectmenu style if(o.style == 'dropdown'){ this.newelement .addClass(self.widgetBaseClass+"-dropdown"); this.list .addClass(self.widgetBaseClass+"-menu-dropdown"); } else { this.newelement .addClass(self.widgetBaseClass+"-popup"); this.list .addClass(self.widgetBaseClass+"-menu-popup"); } //append status span to button this.newelement.prepend(''+ selectOptionData[this._selectedIndex()].text +''); //hide original selectmenu element this.element.hide(); //transfer disabled state if(this.element.attr('disabled') == true){ this.disable(); } //update value this.value(this._selectedIndex()); }, destroy: function() { this.element.removeData(this.widgetName) .removeClass(this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled') .removeAttr('aria-disabled'); //unbind click on label, reset its for attr $('label[for='+this.newelement.attr('id')+']') .attr('for',this.element.attr('id')) .unbind('click'); this.newelement.remove(); this.list.remove(); this.element.show(); }, _typeAhead: function(code, eventType){ var self = this; //define self._prevChar if needed if(!self._prevChar){ self._prevChar = ['',0]; } var C = String.fromCharCode(code); c = C.toLowerCase(); var 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; }, _uiHash: function(){ return { value: this.value() }; }, open: function(event){ var self = this; var disabledStatus = this.newelement.attr("aria-disabled"); if(disabledStatus != 'true'){ this._refreshPosition(); this._closeOthers(event); this.newelement .addClass('ui-state-active'); this.list .appendTo('body') .addClass(self.widgetBaseClass + '-open') .attr('aria-hidden', false) .find('li:not(.'+ self.widgetBaseClass +'-group):eq('+ this._selectedIndex() +') a')[0].focus(); if(this.options.style == "dropdown"){ this.newelement.removeClass('ui-corner-all').addClass('ui-corner-top'); } this._refreshPosition(); this._trigger("open", event, this._uiHash()); } }, close: function(event, retainFocus){ if(this.newelement.is('.ui-state-active')){ this.newelement .removeClass('ui-state-active'); this.list .attr('aria-hidden', true) .removeClass(this.widgetBaseClass+'-open'); if(this.options.style == "dropdown"){ this.newelement.removeClass('ui-corner-top').addClass('ui-corner-all'); } if(retainFocus){this.newelement[0].focus();} this._trigger("close", event, this._uiHash()); } }, change: function(event) { this.element.trigger('change'); this._trigger("change", event, this._uiHash()); }, select: function(event) { 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.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){ var currIndex = parseInt(this._selectedOptionLi().data('index'), 10); var newIndex = currIndex + amt; return this._optionLis.eq(newIndex).trigger('mouseup'); }, _moveFocus: function(amt){ if(!isNaN(amt)){ var currIndex = parseInt(this._focusedOptionLi().data('index'), 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; } var activeID = this.widgetBaseClass + '-item-' + Math.round(Math.random() * 1000); this._focusedOptionLi().find('a:eq(0)').attr('id',''); this._optionLis.eq(newIndex).find('a:eq(0)').attr('id',activeID)[0].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); }, _setData: function(key, value) { this.options[key] = value; 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); } }, value: function(newValue) { if (arguments.length) { this.element[0].selectedIndex = newValue; this._refreshValue(); this._refreshPosition(); } return this.element[0].selectedIndex; }, _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(){ //set left value this.list.css('left', this.newelement.offset().left); //set top value var menuTop = this.newelement.offset().top; var scrolledAmt = this.list[0].scrollTop; this.list.find('li:lt('+this._selectedIndex()+')').each(function(){ scrolledAmt -= $(this).outerHeight(); }); if(this.newelement.is('.'+this.widgetBaseClass+'-popup')){ menuTop+=scrolledAmt; this.list.css('top', menuTop); } else { menuTop += this.newelement.height(); this.list.css('top', menuTop); } } }); $.extend($.ui.selectmenu, { getter: "value", version: "@VERSION", eventPrefix: "selectmenu", defaults: { transferClasses: true, style: 'popup', width: null, menuWidth: null, handleWidth: 26, maxHeight: null, icons: null, format: null } }); })(jQuery);