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/*
* jQuery UI Popup @VERSION
*
* Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* http://docs.jquery.com/UI/Popup
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
* jquery.ui.position.js
*/
(function($) {
var idIncrement = 0;
$.widget( "ui.popup", {
version: "@VERSION",
options: {
position: {
my: "left top",
at: "left bottom"
}
},
_create: function() {
if ( !this.options.trigger ) {
this.options.trigger = this.element.prev();
}
if ( !this.element.attr( "id" ) ) {
this.element.attr( "id", "ui-popup-" + idIncrement++ );
this.generatedId = true;
}
if ( !this.element.attr( "role" ) ) {
// TODO alternatives to tooltip are dialog and menu, all three aren't generic popups
this.element.attr( "role", "tooltip" );
this.generatedRole = true;
}
this.options.trigger
.attr( "aria-haspopup", "true" )
.attr( "aria-owns", this.element.attr( "id" ) );
this.element
.addClass("ui-popup")
this.close();
this._bind(this.options.trigger, {
keydown: function( event ) {
// prevent space-to-open to scroll the page, only hapens for anchor ui.button
if ( this.options.trigger.is( "a:ui-button" ) && event.keyCode == $.ui.keyCode.SPACE) {
event.preventDefault()
}
// TODO handle SPACE to open popup? only when not handled by ui.button
if ( event.keyCode == $.ui.keyCode.SPACE && this.options.trigger.is("a:not(:ui-button)") ) {
this.options.trigger.trigger( "click", event );
}
// translate keydown to click
// opens popup and let's tooltip hide itself
if ( event.keyCode == $.ui.keyCode.DOWN ) {
// prevent scrolling
event.preventDefault();
this.options.trigger.trigger( "click", event );
}
},
click: function( event ) {
event.preventDefault();
if (this.isOpen) {
// let it propagate to close
return;
}
var that = this;
clearTimeout( this.closeTimer );
setTimeout(function() {
that.open( event );
}, 1);
}
});
this._bind(this.element, {
// TODO use focusout so that element itself doesn't need to be focussable
blur: function( event ) {
var that = this;
// use a timer to allow click to clear it and letting that
// handle the closing instead of opening again
that.closeTimer = setTimeout( function() {
that.close( event );
}, 100);
}
});
this._bind({
// TODO only triggerd on element if it can receive focus
// bind to document instead?
// either element itself or a child should be focusable
keyup: function( event ) {
if (event.keyCode == $.ui.keyCode.ESCAPE && this.element.is( ":visible" )) {
this.close( event );
// TODO move this to close()? would allow menu.select to call popup.close, and get focus back to trigger
this.options.trigger.focus();
}
}
});
this._bind(document, {
click: function( event ) {
if (this.isOpen && !$(event.target).closest(".ui-popup").length) {
this.close( event );
}
}
})
},
_destroy: function() {
this.element
.show()
.removeClass( "ui-popup" )
.removeAttr( "aria-hidden" )
.removeAttr( "aria-expanded" );
this.options.trigger
.removeAttr( "aria-haspopup" )
.removeAttr( "aria-owns" );
if ( this.generatedId ) {
this.element.removeAttr( "id" );
}
if ( this.generatedRole ) {
this.element.removeAttr( "role" );
}
},
open: function( event ) {
var position = $.extend( {}, {
of: this.options.trigger
}, this.options.position );
this.element
.show()
.attr( "aria-hidden", "false" )
.attr( "aria-expanded", "true" )
.position( position )
// TODO find a focussable child, otherwise put focus on element, add tabIndex=0 if not focussable
.focus();
if (this.element.is(":ui-menu")) {
this.element.menu("focus", event, this.element.children( "li" ).first() );
}
// take trigger out of tab order to allow shift-tab to skip trigger
this.options.trigger.attr("tabindex", -1);
this.isOpen = true;
this._trigger( "open", event );
},
close: function( event ) {
this.element
.hide()
.attr( "aria-hidden", "true" )
.attr( "aria-expanded", "false" );
this.options.trigger.attr("tabindex", 0);
this.isOpen = false;
this._trigger( "close", event );
}
});
}(jQuery));
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