846 lines
26 KiB
JavaScript
846 lines
26 KiB
JavaScript
/*
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* jQuery UI selectmenu dev version
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*
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* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
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* Dual licensed under the MIT (MIT-LICENSE.txt)
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* and GPL (GPL-LICENSE.txt) licenses.
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*
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* http://docs.jquery.com/UI
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* https://github.com/fnagel/jquery-ui/wiki/Selectmenu
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*/
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(function($) {
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$.widget("ui.selectmenu", {
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getter: "value",
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version: "1.8",
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eventPrefix: "selectmenu",
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options: {
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transferClasses: true,
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typeAhead: "sequential",
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style: 'dropdown',
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positionOptions: {
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my: "left top",
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at: "left bottom",
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offset: null
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},
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width: null,
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menuWidth: null,
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handleWidth: 26,
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maxHeight: null,
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icons: null,
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format: null,
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bgImage: function() {},
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wrapperElement: "<div />"
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},
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_create: function() {
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var self = this, o = this.options;
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// set a default id value, generate a new random one if not set by developer
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var selectmenuId = this.element.attr( 'id' ) || 'ui-selectmenu-' + Math.random().toString( 16 ).slice( 2, 10 );
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// quick array of button and menu id's
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this.ids = [ selectmenuId + '-button', selectmenuId + '-menu' ];
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// define safe mouseup for future toggling
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this._safemouseup = true;
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// create menu button wrapper
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this.newelement = $( '<a />', {
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'class': this.widgetBaseClass + ' ui-widget ui-state-default ui-corner-all',
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'id' : this.ids[ 0 ],
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'role': 'button',
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'href': '#nogo',
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'tabindex': this.element.attr( 'disabled' ) ? 1 : 0,
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'aria-haspopup': true,
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'aria-owns': this.ids[ 1 ]
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});
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this.newelementWrap = $( o.wrapperElement )
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.append( this.newelement )
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.insertAfter( this.element );
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// transfer tabindex
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var tabindex = this.element.attr( 'tabindex' );
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if ( tabindex ) {
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this.newelement.attr( 'tabindex', tabindex );
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}
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// save reference to select in data for ease in calling methods
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this.newelement.data( 'selectelement', this.element );
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// menu icon
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this.selectmenuIcon = $( '<span class="' + this.widgetBaseClass + '-icon ui-icon"></span>' )
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.prependTo( this.newelement );
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// append status span to button
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this.newelement.prepend( '<span class="' + self.widgetBaseClass + '-status" />' );
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// make associated form label trigger focus
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$( 'label[for="' + selectmenuId + '"]' )
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.attr( 'for', this.ids[0] )
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.bind( 'click.selectmenu', function() {
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self.newelement[0].focus();
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return false;
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});
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// click toggle for menu visibility
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this.newelement
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.bind('mousedown.selectmenu', function(event) {
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self._toggle(event, true);
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// make sure a click won't open/close instantly
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if (o.style == "popup") {
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self._safemouseup = false;
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setTimeout(function() { self._safemouseup = true; }, 300);
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}
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return false;
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})
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.bind('click.selectmenu', function() {
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return false;
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})
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.bind("keydown.selectmenu", function(event) {
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var ret = false;
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switch (event.keyCode) {
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case $.ui.keyCode.ENTER:
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ret = true;
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break;
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case $.ui.keyCode.SPACE:
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self._toggle(event);
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break;
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case $.ui.keyCode.UP:
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if (event.altKey) {
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self.open(event);
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} else {
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self._moveSelection(-1);
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}
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break;
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case $.ui.keyCode.DOWN:
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if (event.altKey) {
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self.open(event);
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} else {
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self._moveSelection(1);
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}
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break;
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case $.ui.keyCode.LEFT:
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self._moveSelection(-1);
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break;
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case $.ui.keyCode.RIGHT:
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self._moveSelection(1);
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break;
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case $.ui.keyCode.TAB:
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ret = true;
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break;
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default:
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ret = true;
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}
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return ret;
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})
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.bind('keypress.selectmenu', function(event) {
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self._typeAhead(event.which, 'mouseup');
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return true;
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})
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.bind('mouseover.selectmenu focus.selectmenu', function() {
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if (!o.disabled) {
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$(this).addClass(self.widgetBaseClass + '-focus ui-state-hover');
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}
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})
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.bind('mouseout.selectmenu blur.selectmenu', function() {
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if (!o.disabled) {
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$(this).removeClass(self.widgetBaseClass + '-focus ui-state-hover');
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}
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});
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// document click closes menu
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$(document).bind("mousedown.selectmenu", function(event) {
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self.close(event);
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});
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// change event on original selectmenu
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this.element
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.bind("click.selectmenu", function() {
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self._refreshValue();
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})
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// FIXME: newelement can be null under unclear circumstances in IE8
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// TODO not sure if this is still a problem (fnagel 20.03.11)
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.bind("focus.selectmenu", function() {
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if (self.newelement) {
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self.newelement[0].focus();
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}
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});
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// set width when not set via options
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if (!o.width) {
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o.width = this.element.outerWidth();
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}
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// set menu button width
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this.newelement.width(o.width);
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// hide original selectmenu element
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this.element.hide();
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// create menu portion, append to body
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this.list = $( '<ul />', {
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'class': 'ui-widget ui-widget-content',
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'aria-hidden': true,
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'role': 'listbox',
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'aria-labelledby': this.ids[0],
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'id': this.ids[1]
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});
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this.listWrap = $( o.wrapperElement )
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.addClass( self.widgetBaseClass + '-menu' )
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.append( this.list )
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.appendTo( 'body' );
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// transfer menu click to menu button
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this.list
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.bind("keydown.selectmenu", function(event) {
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var ret = false;
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switch (event.keyCode) {
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case $.ui.keyCode.UP:
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if (event.altKey) {
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self.close(event, true);
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} else {
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self._moveFocus(-1);
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}
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break;
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case $.ui.keyCode.DOWN:
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if (event.altKey) {
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self.close(event, true);
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} else {
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self._moveFocus(1);
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}
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break;
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case $.ui.keyCode.LEFT:
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self._moveFocus(-1);
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break;
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case $.ui.keyCode.RIGHT:
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self._moveFocus(1);
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break;
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case $.ui.keyCode.HOME:
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self._moveFocus(':first');
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break;
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case $.ui.keyCode.PAGE_UP:
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self._scrollPage('up');
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break;
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case $.ui.keyCode.PAGE_DOWN:
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self._scrollPage('down');
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break;
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case $.ui.keyCode.END:
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self._moveFocus(':last');
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break;
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case $.ui.keyCode.ENTER:
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case $.ui.keyCode.SPACE:
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self.close(event, true);
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$(event.target).parents('li:eq(0)').trigger('mouseup');
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break;
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case $.ui.keyCode.TAB:
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ret = true;
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self.close(event, true);
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$(event.target).parents('li:eq(0)').trigger('mouseup');
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break;
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case $.ui.keyCode.ESCAPE:
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self.close(event, true);
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break;
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default:
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ret = true;
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}
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return ret;
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})
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.bind('keypress.selectmenu', function(event) {
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self._typeAhead(event.which, 'focus');
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return true;
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})
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// this allows for using the scrollbar in an overflowed list
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.bind( 'mousedown.selectmenu mouseup.selectmenu', function() { return false; });
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// needed when window is resized
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// TODO seems to be useless, but causes errors (fnagel 01.08.11)
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// see: https://github.com/fnagel/jquery-ui/issues/147
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// $(window).bind( "resize.selectmenu", $.proxy( self._refreshPosition, this ) );
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},
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_init: function() {
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var self = this, o = this.options;
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// serialize selectmenu element options
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var selectOptionData = [];
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this.element
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.find('option')
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.each(function() {
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var opt = $(this);
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selectOptionData.push({
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value: opt.attr('value'),
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text: self._formatText(opt.text()),
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selected: opt.attr('selected'),
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disabled: opt.attr('disabled'),
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classes: opt.attr('class'),
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typeahead: opt.attr('typeahead'),
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parentOptGroup: opt.parent('optgroup'),
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bgImage: o.bgImage.call(opt)
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});
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});
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// active state class is only used in popup style
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var activeClass = (self.options.style == "popup") ? " ui-state-active" : "";
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// empty list so we can refresh the selectmenu via selectmenu()
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this.list.html("");
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// write li's
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if (selectOptionData.length) {
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for (var i = 0; i < selectOptionData.length; i++) {
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var thisLiAttr = { role : 'presentation' };
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if ( selectOptionData[ i ].disabled ) {
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thisLiAttr[ 'class' ] = this.namespace + '-state-disabled';
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}
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var thisAAttr = {
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html: selectOptionData[i].text,
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href : '#nogo',
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tabindex : -1,
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role : 'option',
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'aria-selected' : false
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};
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if ( selectOptionData[ i ].disabled ) {
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thisAAttr[ 'aria-disabled' ] = selectOptionData[ i ].disabled;
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}
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if ( selectOptionData[ i ].typeahead ) {
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thisAAttr[ 'typeahead' ] = selectOptionData[ i ].typeahead;
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}
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var thisA = $('<a/>', thisAAttr);
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var thisLi = $('<li/>', thisLiAttr)
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.append(thisA)
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.data('index', i)
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.addClass(selectOptionData[i].classes)
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.data('optionClasses', selectOptionData[i].classes || '')
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.bind("mouseup.selectmenu", function(event) {
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if (self._safemouseup && !self._disabled(event.currentTarget) && !self._disabled($( event.currentTarget ).parents( "ul>li." + self.widgetBaseClass + "-group " )) ) {
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var changed = $(this).data('index') != self._selectedIndex();
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self.index($(this).data('index'));
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self.select(event);
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if (changed) {
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self.change(event);
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}
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self.close(event, true);
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}
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return false;
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})
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.bind("click.selectmenu", function() {
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return false;
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})
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.bind('mouseover.selectmenu focus.selectmenu', function(e) {
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// no hover if diabled
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if (!$(e.currentTarget).hasClass(self.namespace + '-state-disabled') && !$(e.currentTarget).parent("ul").parent("li").hasClass(self.namespace + '-state-disabled')) {
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self._selectedOptionLi().addClass(activeClass);
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self._focusedOptionLi().removeClass(self.widgetBaseClass + '-item-focus ui-state-hover');
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$(this).removeClass('ui-state-active').addClass(self.widgetBaseClass + '-item-focus ui-state-hover');
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}
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})
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.bind('mouseout.selectmenu blur.selectmenu', function() {
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if ($(this).is(self._selectedOptionLi().selector)) {
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$(this).addClass(activeClass);
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}
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$(this).removeClass(self.widgetBaseClass + '-item-focus ui-state-hover');
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});
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// optgroup or not...
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if ( selectOptionData[i].parentOptGroup.length ) {
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var optGroupName = self.widgetBaseClass + '-group-' + this.element.find( 'optgroup' ).index( selectOptionData[i].parentOptGroup );
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if (this.list.find( 'li.' + optGroupName ).length ) {
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this.list.find( 'li.' + optGroupName + ':last ul' ).append( thisLi );
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} else {
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$(' <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> ')
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.appendTo( this.list )
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.find( 'ul' )
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.append( thisLi );
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}
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} else {
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thisLi.appendTo(this.list);
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}
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// append icon if option is specified
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if (o.icons) {
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for (var j in o.icons) {
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if (thisLi.is(o.icons[j].find)) {
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thisLi
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.data('optionClasses', selectOptionData[i].classes + ' ' + self.widgetBaseClass + '-hasIcon')
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.addClass(self.widgetBaseClass + '-hasIcon');
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var iconClass = o.icons[j].icon || "";
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thisLi
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.find('a:eq(0)')
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.prepend('<span class="' + self.widgetBaseClass + '-item-icon ui-icon ' + iconClass + '"></span>');
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if (selectOptionData[i].bgImage) {
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thisLi.find('span').css('background-image', selectOptionData[i].bgImage);
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}
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}
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}
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}
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}
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} else {
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$('<li role="presentation"><a href="#nogo" tabindex="-1" role="option"></a></li>').appendTo(this.list);
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}
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// we need to set and unset the CSS classes for dropdown and popup style
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var isDropDown = ( o.style == 'dropdown' );
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this.newelement
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.toggleClass( self.widgetBaseClass + '-dropdown', isDropDown )
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.toggleClass( self.widgetBaseClass + '-popup', !isDropDown );
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this.list
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.toggleClass( self.widgetBaseClass + '-menu-dropdown ui-corner-bottom', isDropDown )
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.toggleClass( self.widgetBaseClass + '-menu-popup ui-corner-all', !isDropDown )
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// add corners to top and bottom menu items
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.find( 'li:first' )
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.toggleClass( 'ui-corner-top', !isDropDown )
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.end().find( 'li:last' )
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.addClass( 'ui-corner-bottom' );
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this.selectmenuIcon
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.toggleClass( 'ui-icon-triangle-1-s', isDropDown )
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.toggleClass( 'ui-icon-triangle-2-n-s', !isDropDown );
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// transfer classes to selectmenu and list
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if ( o.transferClasses ) {
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var transferClasses = this.element.attr( 'class' ) || '';
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this.newelement.add( this.list ).addClass( transferClasses );
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}
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// set menu width to either menuWidth option value, width option value, or select width
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if ( o.style == 'dropdown' ) {
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this.list.width( o.menuWidth ? o.menuWidth : o.width );
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} else {
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this.list.width( o.menuWidth ? o.menuWidth : o.width - o.handleWidth );
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}
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// reset height to auto
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this.list.css( 'height', 'auto' );
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var listH = this.listWrap.height();
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// calculate default max height
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if ( o.maxHeight && o.maxHeight < listH ) {
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this.list.height( o.maxHeight );
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} else {
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var winH = $( window ).height() / 3;
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if ( winH < listH ) this.list.height( winH );
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}
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// save reference to actionable li's (not group label li's)
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this._optionLis = this.list.find( 'li:not(.' + self.widgetBaseClass + '-group)' );
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// transfer disabled state
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if ( this.element.attr( 'disabled' ) ) {
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this.disable();
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} else {
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this.enable()
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}
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// update value
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this.index( this._selectedIndex() );
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// needed when selectmenu is placed at the very bottom / top of the page
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window.setTimeout( function() {
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self._refreshPosition();
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}, 200 );
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},
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destroy: function() {
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this.element.removeData( this.widgetName )
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.removeClass( this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled' )
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.removeAttr( 'aria-disabled' )
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.unbind( ".selectmenu" );
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// TODO unneded as event binding has been disabled
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// $( window ).unbind( ".selectmenu" );
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$( document ).unbind( ".selectmenu" );
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// unbind click on label, reset its for attr
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$( 'label[for=' + this.newelement.attr('id') + ']' )
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.attr( 'for', this.element.attr( 'id' ) )
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.unbind( '.selectmenu' );
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this.newelementWrap.remove();
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this.listWrap.remove();
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this.element.show();
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// call widget destroy function
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$.Widget.prototype.destroy.apply(this, arguments);
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},
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_typeAhead: function( code, eventType ){
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var self = this, focusFound = false, C = String.fromCharCode(code).toUpperCase();
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c = C.toLowerCase();
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if ( self.options.typeAhead == 'sequential' ) {
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// clear the timeout so we can use _prevChar
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window.clearTimeout('ui.selectmenu-' + self.selectmenuId);
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// define our find var
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var find = typeof( self._prevChar ) == 'undefined' ? '' : self._prevChar.join( '' );
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function focusOptSeq( elem, ind, c ){
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focusFound = true;
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$( elem ).trigger( eventType );
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typeof( self._prevChar ) == 'undefined' ? self._prevChar = [ c ] : self._prevChar[ self._prevChar.length ] = c;
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}
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this.list.find( 'li a' ).each( function( i ) {
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if ( !focusFound ) {
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// allow the typeahead attribute on the option tag for a more specific lookup
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var thisText = $( this ).attr( 'typeahead' ) || $(this).text();
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if ( thisText.indexOf( find + C ) === 0 ) {
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focusOptSeq( this, i, C );
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} else if (thisText.indexOf(find+c) === 0 ) {
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focusOptSeq( this, i, c );
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}
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}
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});
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// set a 1 second timeout for sequenctial typeahead
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// keep this set even if we have no matches so it doesnt typeahead somewhere else
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window.setTimeout( function( el ) {
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self._prevChar = undefined;
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}, 1000, self );
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} else {
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// define self._prevChar if needed
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if ( !self._prevChar ) { self._prevChar = [ '' , 0 ]; }
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focusFound = false;
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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);
|