528 lines
14 KiB
JavaScript
528 lines
14 KiB
JavaScript
/*!
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* jQuery UI Tooltip 1.13.3
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* https://jqueryui.com
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*
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* Copyright OpenJS Foundation and other contributors
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* Released under the MIT license.
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* https://jquery.org/license
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*/
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//>>label: Tooltip
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//>>group: Widgets
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//>>description: Shows additional information for any element on hover or focus.
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//>>docs: https://api.jqueryui.com/tooltip/
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//>>demos: https://jqueryui.com/tooltip/
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//>>css.structure: ../../themes/base/core.css
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//>>css.structure: ../../themes/base/tooltip.css
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//>>css.theme: ../../themes/base/theme.css
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( function( factory ) {
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"use strict";
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if ( typeof define === "function" && define.amd ) {
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// AMD. Register as an anonymous module.
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define( [
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"jquery",
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"../keycode",
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"../position",
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"../unique-id",
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"../version",
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"../widget"
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], factory );
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} else {
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// Browser globals
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factory( jQuery );
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}
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} )( function( $ ) {
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"use strict";
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$.widget( "ui.tooltip", {
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version: "1.13.3",
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options: {
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classes: {
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"ui-tooltip": "ui-corner-all ui-widget-shadow"
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},
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content: function() {
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var title = $( this ).attr( "title" );
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// Escape title, since we're going from an attribute to raw HTML
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return $( "<a>" ).text( title ).html();
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},
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hide: true,
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// Disabled elements have inconsistent behavior across browsers (#8661)
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items: "[title]:not([disabled])",
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position: {
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my: "left top+15",
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at: "left bottom",
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collision: "flipfit flip"
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},
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show: true,
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track: false,
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// Callbacks
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close: null,
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open: null
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},
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_addDescribedBy: function( elem, id ) {
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var describedby = ( elem.attr( "aria-describedby" ) || "" ).split( /\s+/ );
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describedby.push( id );
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elem
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.data( "ui-tooltip-id", id )
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.attr( "aria-describedby", String.prototype.trim.call( describedby.join( " " ) ) );
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},
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_removeDescribedBy: function( elem ) {
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var id = elem.data( "ui-tooltip-id" ),
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describedby = ( elem.attr( "aria-describedby" ) || "" ).split( /\s+/ ),
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index = $.inArray( id, describedby );
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if ( index !== -1 ) {
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describedby.splice( index, 1 );
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}
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elem.removeData( "ui-tooltip-id" );
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describedby = String.prototype.trim.call( describedby.join( " " ) );
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if ( describedby ) {
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elem.attr( "aria-describedby", describedby );
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} else {
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elem.removeAttr( "aria-describedby" );
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}
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},
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_create: function() {
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this._on( {
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mouseover: "open",
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focusin: "open"
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} );
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// IDs of generated tooltips, needed for destroy
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this.tooltips = {};
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// IDs of parent tooltips where we removed the title attribute
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this.parents = {};
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// Append the aria-live region so tooltips announce correctly
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this.liveRegion = $( "<div>" )
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.attr( {
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role: "log",
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"aria-live": "assertive",
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"aria-relevant": "additions"
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} )
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.appendTo( this.document[ 0 ].body );
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this._addClass( this.liveRegion, null, "ui-helper-hidden-accessible" );
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this.disabledTitles = $( [] );
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},
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_setOption: function( key, value ) {
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var that = this;
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this._super( key, value );
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if ( key === "content" ) {
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$.each( this.tooltips, function( id, tooltipData ) {
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that._updateContent( tooltipData.element );
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} );
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}
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},
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_setOptionDisabled: function( value ) {
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this[ value ? "_disable" : "_enable" ]();
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},
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_disable: function() {
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var that = this;
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// Close open tooltips
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$.each( this.tooltips, function( id, tooltipData ) {
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var event = $.Event( "blur" );
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event.target = event.currentTarget = tooltipData.element[ 0 ];
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that.close( event, true );
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} );
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// Remove title attributes to prevent native tooltips
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this.disabledTitles = this.disabledTitles.add(
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this.element.find( this.options.items ).addBack()
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.filter( function() {
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var element = $( this );
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if ( element.is( "[title]" ) ) {
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return element
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.data( "ui-tooltip-title", element.attr( "title" ) )
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.removeAttr( "title" );
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}
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} )
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);
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},
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_enable: function() {
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// restore title attributes
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this.disabledTitles.each( function() {
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var element = $( this );
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if ( element.data( "ui-tooltip-title" ) ) {
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element.attr( "title", element.data( "ui-tooltip-title" ) );
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}
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} );
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this.disabledTitles = $( [] );
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},
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open: function( event ) {
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var that = this,
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target = $( event ? event.target : this.element )
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// we need closest here due to mouseover bubbling,
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// but always pointing at the same event target
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.closest( this.options.items );
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// No element to show a tooltip for or the tooltip is already open
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if ( !target.length || target.data( "ui-tooltip-id" ) ) {
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return;
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}
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if ( target.attr( "title" ) ) {
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target.data( "ui-tooltip-title", target.attr( "title" ) );
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}
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target.data( "ui-tooltip-open", true );
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// Kill parent tooltips, custom or native, for hover
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if ( event && event.type === "mouseover" ) {
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target.parents().each( function() {
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var parent = $( this ),
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blurEvent;
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if ( parent.data( "ui-tooltip-open" ) ) {
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blurEvent = $.Event( "blur" );
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blurEvent.target = blurEvent.currentTarget = this;
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that.close( blurEvent, true );
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}
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if ( parent.attr( "title" ) ) {
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parent.uniqueId();
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that.parents[ this.id ] = {
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element: this,
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title: parent.attr( "title" )
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};
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parent.attr( "title", "" );
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}
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} );
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}
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this._registerCloseHandlers( event, target );
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this._updateContent( target, event );
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},
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_updateContent: function( target, event ) {
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var content,
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contentOption = this.options.content,
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that = this,
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eventType = event ? event.type : null;
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if ( typeof contentOption === "string" || contentOption.nodeType ||
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contentOption.jquery ) {
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return this._open( event, target, contentOption );
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}
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content = contentOption.call( target[ 0 ], function( response ) {
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// IE may instantly serve a cached response for ajax requests
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// delay this call to _open so the other call to _open runs first
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that._delay( function() {
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// Ignore async response if tooltip was closed already
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if ( !target.data( "ui-tooltip-open" ) ) {
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return;
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}
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// JQuery creates a special event for focusin when it doesn't
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// exist natively. To improve performance, the native event
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// object is reused and the type is changed. Therefore, we can't
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// rely on the type being correct after the event finished
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// bubbling, so we set it back to the previous value. (#8740)
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if ( event ) {
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event.type = eventType;
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}
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this._open( event, target, response );
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} );
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} );
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if ( content ) {
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this._open( event, target, content );
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}
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},
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_open: function( event, target, content ) {
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var tooltipData, tooltip, delayedShow, a11yContent,
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positionOption = $.extend( {}, this.options.position );
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if ( !content ) {
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return;
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}
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// Content can be updated multiple times. If the tooltip already
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// exists, then just update the content and bail.
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tooltipData = this._find( target );
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if ( tooltipData ) {
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tooltipData.tooltip.find( ".ui-tooltip-content" ).html( content );
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return;
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}
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// If we have a title, clear it to prevent the native tooltip
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// we have to check first to avoid defining a title if none exists
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// (we don't want to cause an element to start matching [title])
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//
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// We use removeAttr only for key events, to allow IE to export the correct
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// accessible attributes. For mouse events, set to empty string to avoid
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// native tooltip showing up (happens only when removing inside mouseover).
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if ( target.is( "[title]" ) ) {
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if ( event && event.type === "mouseover" ) {
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target.attr( "title", "" );
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} else {
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target.removeAttr( "title" );
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}
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}
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tooltipData = this._tooltip( target );
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tooltip = tooltipData.tooltip;
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this._addDescribedBy( target, tooltip.attr( "id" ) );
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tooltip.find( ".ui-tooltip-content" ).html( content );
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// Support: Voiceover on OS X, JAWS on IE <= 9
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// JAWS announces deletions even when aria-relevant="additions"
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// Voiceover will sometimes re-read the entire log region's contents from the beginning
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this.liveRegion.children().hide();
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a11yContent = $( "<div>" ).html( tooltip.find( ".ui-tooltip-content" ).html() );
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a11yContent.removeAttr( "name" ).find( "[name]" ).removeAttr( "name" );
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a11yContent.removeAttr( "id" ).find( "[id]" ).removeAttr( "id" );
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a11yContent.appendTo( this.liveRegion );
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function position( event ) {
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positionOption.of = event;
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if ( tooltip.is( ":hidden" ) ) {
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return;
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}
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tooltip.position( positionOption );
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}
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if ( this.options.track && event && /^mouse/.test( event.type ) ) {
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this._on( this.document, {
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mousemove: position
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} );
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// trigger once to override element-relative positioning
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position( event );
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} else {
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tooltip.position( $.extend( {
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of: target
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}, this.options.position ) );
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}
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tooltip.hide();
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this._show( tooltip, this.options.show );
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// Handle tracking tooltips that are shown with a delay (#8644). As soon
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// as the tooltip is visible, position the tooltip using the most recent
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// event.
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// Adds the check to add the timers only when both delay and track options are set (#14682)
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if ( this.options.track && this.options.show && this.options.show.delay ) {
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delayedShow = this.delayedShow = setInterval( function() {
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if ( tooltip.is( ":visible" ) ) {
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position( positionOption.of );
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clearInterval( delayedShow );
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}
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}, 13 );
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}
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this._trigger( "open", event, { tooltip: tooltip } );
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},
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_registerCloseHandlers: function( event, target ) {
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var events = {
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keyup: function( event ) {
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if ( event.keyCode === $.ui.keyCode.ESCAPE ) {
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var fakeEvent = $.Event( event );
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fakeEvent.currentTarget = target[ 0 ];
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this.close( fakeEvent, true );
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}
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}
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};
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// Only bind remove handler for delegated targets. Non-delegated
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// tooltips will handle this in destroy.
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if ( target[ 0 ] !== this.element[ 0 ] ) {
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events.remove = function() {
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var targetElement = this._find( target );
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if ( targetElement ) {
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this._removeTooltip( targetElement.tooltip );
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}
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};
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}
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if ( !event || event.type === "mouseover" ) {
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events.mouseleave = "close";
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}
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if ( !event || event.type === "focusin" ) {
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events.focusout = "close";
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}
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this._on( true, target, events );
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},
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close: function( event ) {
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var tooltip,
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that = this,
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target = $( event ? event.currentTarget : this.element ),
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tooltipData = this._find( target );
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// The tooltip may already be closed
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if ( !tooltipData ) {
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// We set ui-tooltip-open immediately upon open (in open()), but only set the
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// additional data once there's actually content to show (in _open()). So even if the
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// tooltip doesn't have full data, we always remove ui-tooltip-open in case we're in
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// the period between open() and _open().
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target.removeData( "ui-tooltip-open" );
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return;
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}
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tooltip = tooltipData.tooltip;
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// Disabling closes the tooltip, so we need to track when we're closing
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// to avoid an infinite loop in case the tooltip becomes disabled on close
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if ( tooltipData.closing ) {
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return;
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}
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// Clear the interval for delayed tracking tooltips
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clearInterval( this.delayedShow );
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// Only set title if we had one before (see comment in _open())
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// If the title attribute has changed since open(), don't restore
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if ( target.data( "ui-tooltip-title" ) && !target.attr( "title" ) ) {
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target.attr( "title", target.data( "ui-tooltip-title" ) );
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}
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this._removeDescribedBy( target );
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tooltipData.hiding = true;
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tooltip.stop( true );
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this._hide( tooltip, this.options.hide, function() {
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that._removeTooltip( $( this ) );
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} );
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target.removeData( "ui-tooltip-open" );
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this._off( target, "mouseleave focusout keyup" );
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// Remove 'remove' binding only on delegated targets
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if ( target[ 0 ] !== this.element[ 0 ] ) {
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this._off( target, "remove" );
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}
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this._off( this.document, "mousemove" );
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if ( event && event.type === "mouseleave" ) {
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$.each( this.parents, function( id, parent ) {
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$( parent.element ).attr( "title", parent.title );
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delete that.parents[ id ];
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} );
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}
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tooltipData.closing = true;
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this._trigger( "close", event, { tooltip: tooltip } );
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if ( !tooltipData.hiding ) {
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tooltipData.closing = false;
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}
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},
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_tooltip: function( element ) {
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var tooltip = $( "<div>" ).attr( "role", "tooltip" ),
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content = $( "<div>" ).appendTo( tooltip ),
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id = tooltip.uniqueId().attr( "id" );
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this._addClass( content, "ui-tooltip-content" );
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this._addClass( tooltip, "ui-tooltip", "ui-widget ui-widget-content" );
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tooltip.appendTo( this._appendTo( element ) );
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return this.tooltips[ id ] = {
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element: element,
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tooltip: tooltip
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};
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},
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_find: function( target ) {
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var id = target.data( "ui-tooltip-id" );
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return id ? this.tooltips[ id ] : null;
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},
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_removeTooltip: function( tooltip ) {
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// Clear the interval for delayed tracking tooltips
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clearInterval( this.delayedShow );
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tooltip.remove();
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delete this.tooltips[ tooltip.attr( "id" ) ];
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},
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_appendTo: function( target ) {
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var element = target.closest( ".ui-front, dialog" );
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if ( !element.length ) {
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element = this.document[ 0 ].body;
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}
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return element;
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},
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_destroy: function() {
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var that = this;
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// Close open tooltips
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$.each( this.tooltips, function( id, tooltipData ) {
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// Delegate to close method to handle common cleanup
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var event = $.Event( "blur" ),
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element = tooltipData.element;
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event.target = event.currentTarget = element[ 0 ];
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that.close( event, true );
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// Remove immediately; destroying an open tooltip doesn't use the
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// hide animation
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$( "#" + id ).remove();
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// Restore the title
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if ( element.data( "ui-tooltip-title" ) ) {
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// If the title attribute has changed since open(), don't restore
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if ( !element.attr( "title" ) ) {
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element.attr( "title", element.data( "ui-tooltip-title" ) );
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}
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element.removeData( "ui-tooltip-title" );
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}
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} );
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this.liveRegion.remove();
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}
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} );
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// DEPRECATED
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// TODO: Switch return back to widget declaration at top of file when this is removed
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if ( $.uiBackCompat !== false ) {
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// Backcompat for tooltipClass option
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$.widget( "ui.tooltip", $.ui.tooltip, {
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options: {
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tooltipClass: null
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},
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_tooltip: function() {
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var tooltipData = this._superApply( arguments );
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if ( this.options.tooltipClass ) {
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tooltipData.tooltip.addClass( this.options.tooltipClass );
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}
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return tooltipData;
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}
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} );
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}
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return $.ui.tooltip;
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} );
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