mirror of
https://github.com/jquery/jquery-ui.git
synced 2024-10-05 01:44:18 +00:00
152 lines
3.3 KiB
JavaScript
152 lines
3.3 KiB
JavaScript
/*
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* jQuery UI popup utility
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*/
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(function($) {
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var idIncrement = 0;
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$.widget( "ui.popup", {
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options: {
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position: {
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my: "left top",
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at: "left bottom"
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}
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},
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_create: function() {
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if ( !this.options.trigger ) {
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this.options.trigger = this.element.prev();
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}
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if ( !this.element.attr( "id" ) ) {
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this.element.attr( "id", "ui-popup-" + idIncrement++ );
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this.generatedId = true;
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}
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if ( !this.element.attr( "role" ) ) {
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// TODO alternatives to tooltip are dialog and menu, all three aren't generic popups
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this.element.attr( "role", "tooltip" );
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this.generatedRole = true;
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}
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this.options.trigger
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.attr( "aria-haspopup", true )
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.attr( "aria-owns", this.element.attr( "id" ) );
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this.element
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.addClass("ui-popup")
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this.close();
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this._bind(this.options.trigger, {
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keydown: function( event ) {
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// prevent space-to-open to scroll the page, only hapens for anchor ui.button
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if ($( event.currentTarget ).is( "a:ui-button" ) && event.keyCode == $.ui.keyCode.SPACE) {
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event.preventDefault()
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}
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// TODO handle keydown to open popup? only when not handled by ui.button
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//if (event.keyCode == $.ui.keyCode.SPACE) {
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//}
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},
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click: function( event ) {
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event.preventDefault();
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if (this.isOpen) {
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// let it propagate to close
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return;
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}
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var that = this;
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clearTimeout( this.closeTimer );
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setTimeout(function() {
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that.open( event );
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}, 1);
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}
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});
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this._bind(this.element, {
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blur: function( event ) {
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var that = this;
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// use a timer to allow click to clear it and letting that
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// handle the closing instead of opening again
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that.closeTimer = setTimeout( function() {
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that.close( event );
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}, 100);
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}
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});
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this._bind({
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// TODO only triggerd on element if it can receive focus
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// bind to document instead?
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keyup: function( event ) {
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if (event.keyCode == $.ui.keyCode.ESCAPE && this.element.is( ":visible" )) {
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this.close( event );
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this.options.trigger.focus();
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}
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}
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});
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this._bind(document, {
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click: function( event ) {
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if (this.isOpen && !$(event.target).closest(".ui-popup").length) {
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this.close( event );
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}
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}
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})
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},
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_destroy: function() {
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this.element
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.show()
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.removeClass( "ui-popup" )
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.removeAttr( "aria-hidden" )
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.removeAttr( "aria-expanded" );
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this.options.trigger
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.removeAttr( "aria-haspopup" )
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.removeAttr( "aria-owns" );
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if ( this.generatedId ) {
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this.element.removeAttr( "id" );
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}
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if ( this.generatedRole ) {
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this.element.removeAttr( "role" );
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}
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},
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open: function( event ) {
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var position = $.extend( {}, {
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of: this.options.trigger
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}, this.options.position );
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this.element
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.show()
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.attr( "aria-hidden", false )
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.attr( "aria-expanded", true )
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.position( position )
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.focus();
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if (this.element.is(":ui-menu")) {
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this.element.menu("focus", event, this.element.children( "li" ).first() );
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}
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// take trigger out of tab order to allow shift-tab to skip trigger
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this.options.trigger.attr("tabindex", -1);
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this.isOpen = true;
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this._trigger( "open", event );
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},
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close: function( event ) {
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this.element
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.hide()
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.attr( "aria-hidden", true )
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.attr( "aria-expanded", false );
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this.options.trigger.attr("tabindex", 0);
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this.isOpen = false;
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this._trigger( "close", event );
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}
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});
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}(jQuery));
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