| Current File : //proc/self/root/usr/share/javascript/jquery-ui/ui/widgets/tooltip.js |
/*!
* jQuery UI Tooltip 1.13.2
* http://jqueryui.com
*
* Copyright jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*/
//>>label: Tooltip
//>>group: Widgets
//>>description: Shows additional information for any element on hover or focus.
//>>docs: http://api.jqueryui.com/tooltip/
//>>demos: http://jqueryui.com/tooltip/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/tooltip.css
//>>css.theme: ../../themes/base/theme.css
( function( factory ) {
"use strict";
if ( typeof define === "function" && define.amd ) {
// AMD. Register as an anonymous module.
define( [
"jquery",
"../keycode",
"../position",
"../unique-id",
"../version",
"../widget"
], factory );
} else {
// Browser globals
factory( jQuery );
}
} )( function( $ ) {
"use strict";
$.widget( "ui.tooltip", {
version: "1.13.2",
options: {
classes: {
"ui-tooltip": "ui-corner-all ui-widget-shadow"
},
content: function() {
var title = $( this ).attr( "title" );
// Escape title, since we're going from an attribute to raw HTML
return $( "<a>" ).text( title ).html();
},
hide: true,
// Disabled elements have inconsistent behavior across browsers (#8661)
items: "[title]:not([disabled])",
position: {
my: "left top+15",
at: "left bottom",
collision: "flipfit flip"
},
show: true,
track: false,
// Callbacks
close: null,
open: null
},
_addDescribedBy: function( elem, id ) {
var describedby = ( elem.attr( "aria-describedby" ) || "" ).split( /\s+/ );
describedby.push( id );
elem
.data( "ui-tooltip-id", id )
.attr( "aria-describedby", String.prototype.trim.call( describedby.join( " " ) ) );
},
_removeDescribedBy: function( elem ) {
var id = elem.data( "ui-tooltip-id" ),
describedby = ( elem.attr( "aria-describedby" ) || "" ).split( /\s+/ ),
index = $.inArray( id, describedby );
if ( index !== -1 ) {
describedby.splice( index, 1 );
}
elem.removeData( "ui-tooltip-id" );
describedby = String.prototype.trim.call( describedby.join( " " ) );
if ( describedby ) {
elem.attr( "aria-describedby", describedby );
} else {
elem.removeAttr( "aria-describedby" );
}
},
_create: function() {
this._on( {
mouseover: "open",
focusin: "open"
} );
// IDs of generated tooltips, needed for destroy
this.tooltips = {};
// IDs of parent tooltips where we removed the title attribute
this.parents = {};
// Append the aria-live region so tooltips announce correctly
this.liveRegion = $( "<div>" )
.attr( {
role: "log",
"aria-live": "assertive",
"aria-relevant": "additions"
} )
.appendTo( this.document[ 0 ].body );
this._addClass( this.liveRegion, null, "ui-helper-hidden-accessible" );
this.disabledTitles = $( [] );
},
_setOption: function( key, value ) {
var that = this;
this._super( key, value );
if ( key === "content" ) {
$.each( this.tooltips, function( id, tooltipData ) {
that._updateContent( tooltipData.element );
} );
}
},
_setOptionDisabled: function( value ) {
this[ value ? "_disable" : "_enable" ]();
},
_disable: function() {
var that = this;
// Close open tooltips
$.each( this.tooltips, function( id, tooltipData ) {
var event = $.Event( "blur" );
event.target = event.currentTarget = tooltipData.element[ 0 ];
that.close( event, true );
} );
// Remove title attributes to prevent native tooltips
this.disabledTitles = this.disabledTitles.add(
this.element.find( this.options.items ).addBack()
.filter( function() {
var element = $( this );
if ( element.is( "[title]" ) ) {
return element
.data( "ui-tooltip-title", element.attr( "title" ) )
.removeAttr( "title" );
}
} )
);
},
_enable: function() {
// restore title attributes
this.disabledTitles.each( function() {
var element = $( this );
if ( element.data( "ui-tooltip-title" ) ) {
element.attr( "title", element.data( "ui-tooltip-title" ) );
}
} );
this.disabledTitles = $( [] );
},
open: function( event ) {
var that = this,
target = $( event ? event.target : this.element )
// we need closest here due to mouseover bubbling,
// but always pointing at the same event target
.closest( this.options.items );
// No element to show a tooltip for or the tooltip is already open
if ( !target.length || target.data( "ui-tooltip-id" ) ) {
return;
}
if ( target.attr( "title" ) ) {
target.data( "ui-tooltip-title", target.attr( "title" ) );
}
target.data( "ui-tooltip-open", true );
// Kill parent tooltips, custom or native, for hover
if ( event && event.type === "mouseover" ) {
target.parents().each( function() {
var parent = $( this ),
blurEvent;
if ( parent.data( "ui-tooltip-open" ) ) {
blurEvent = $.Event( "blur" );
blurEvent.target = blurEvent.currentTarget = this;
that.close( blurEvent, true );
}
if ( parent.attr( "title" ) ) {
parent.uniqueId();
that.parents[ this.id ] = {
element: this,
title: parent.attr( "title" )
};
parent.attr( "title", "" );
}
} );
}
this._registerCloseHandlers( event, target );
this._updateContent( target, event );
},
_updateContent: function( target, event ) {
var content,
contentOption = this.options.content,
that = this,
eventType = event ? event.type : null;
if ( typeof contentOption === "string" || contentOption.nodeType ||
contentOption.jquery ) {
return this._open( event, target, contentOption );
}
content = contentOption.call( target[ 0 ], function( response ) {
// IE may instantly serve a cached response for ajax requests
// delay this call to _open so the other call to _open runs first
that._delay( function() {
// Ignore async response if tooltip was closed already
if ( !target.data( "ui-tooltip-open" ) ) {
return;
}
// JQuery creates a special event for focusin when it doesn't
// exist natively. To improve performance, the native event
// object is reused and the type is changed. Therefore, we can't
// rely on the type being correct after the event finished
// bubbling, so we set it back to the previous value. (#8740)
if ( event ) {
event.type = eventType;
}
this._open( event, target, response );
} );
} );
if ( content ) {
this._open( event, target, content );
}
},
_open: function( event, target, content ) {
var tooltipData, tooltip, delayedShow, a11yContent,
positionOption = $.extend( {}, this.options.position );
if ( !content ) {
return;
}
// Content can be updated multiple times. If the tooltip already
// exists, then just update the content and bail.
tooltipData = this._find( target );
if ( tooltipData ) {
tooltipData.tooltip.find( ".ui-tooltip-content" ).html( content );
return;
}
// If we have a title, clear it to prevent the native tooltip
// we have to check first to avoid defining a title if none exists
// (we don't want to cause an element to start matching [title])
//
// We use removeAttr only for key events, to allow IE to export the correct
// accessible attributes. For mouse events, set to empty string to avoid
// native tooltip showing up (happens only when removing inside mouseover).
if ( target.is( "[title]" ) ) {
if ( event && event.type === "mouseover" ) {
target.attr( "title", "" );
} else {
target.removeAttr( "title" );
}
}
tooltipData = this._tooltip( target );
tooltip = tooltipData.tooltip;
this._addDescribedBy( target, tooltip.attr( "id" ) );
tooltip.find( ".ui-tooltip-content" ).html( content );
// Support: Voiceover on OS X, JAWS on IE <= 9
// JAWS announces deletions even when aria-relevant="additions"
// Voiceover will sometimes re-read the entire log region's contents from the beginning
this.liveRegion.children().hide();
a11yContent = $( "<div>" ).html( tooltip.find( ".ui-tooltip-content" ).html() );
a11yContent.removeAttr( "name" ).find( "[name]" ).removeAttr( "name" );
a11yContent.removeAttr( "id" ).find( "[id]" ).removeAttr( "id" );
a11yContent.appendTo( this.liveRegion );
function position( event ) {
positionOption.of = event;
if ( tooltip.is( ":hidden" ) ) {
return;
}
tooltip.position( positionOption );
}
if ( this.options.track && event && /^mouse/.test( event.type ) ) {
this._on( this.document, {
mousemove: position
} );
// trigger once to override element-relative positioning
position( event );
} else {
tooltip.position( $.extend( {
of: target
}, this.options.position ) );
}
tooltip.hide();
this._show( tooltip, this.options.show );
// Handle tracking tooltips that are shown with a delay (#8644). As soon
// as the tooltip is visible, position the tooltip using the most recent
// event.
// Adds the check to add the timers only when both delay and track options are set (#14682)
if ( this.options.track && this.options.show && this.options.show.delay ) {
delayedShow = this.delayedShow = setInterval( function() {
if ( tooltip.is( ":visible" ) ) {
position( positionOption.of );
clearInterval( delayedShow );
}
}, 13 );
}
this._trigger( "open", event, { tooltip: tooltip } );
},
_registerCloseHandlers: function( event, target ) {
var events = {
keyup: function( event ) {
if ( event.keyCode === $.ui.keyCode.ESCAPE ) {
var fakeEvent = $.Event( event );
fakeEvent.currentTarget = target[ 0 ];
this.close( fakeEvent, true );
}
}
};
// Only bind remove handler for delegated targets. Non-delegated
// tooltips will handle this in destroy.
if ( target[ 0 ] !== this.element[ 0 ] ) {
events.remove = function() {
var targetElement = this._find( target );
if ( targetElement ) {
this._removeTooltip( targetElement.tooltip );
}
};
}
if ( !event || event.type === "mouseover" ) {
events.mouseleave = "close";
}
if ( !event || event.type === "focusin" ) {
events.focusout = "close";
}
this._on( true, target, events );
},
close: function( event ) {
var tooltip,
that = this,
target = $( event ? event.currentTarget : this.element ),
tooltipData = this._find( target );
// The tooltip may already be closed
if ( !tooltipData ) {
// We set ui-tooltip-open immediately upon open (in open()), but only set the
// additional data once there's actually content to show (in _open()). So even if the
// tooltip doesn't have full data, we always remove ui-tooltip-open in case we're in
// the period between open() and _open().
target.removeData( "ui-tooltip-open" );
return;
}
tooltip = tooltipData.tooltip;
// Disabling closes the tooltip, so we need to track when we're closing
// to avoid an infinite loop in case the tooltip becomes disabled on close
if ( tooltipData.closing ) {
return;
}
// Clear the interval for delayed tracking tooltips
clearInterval( this.delayedShow );
// Only set title if we had one before (see comment in _open())
// If the title attribute has changed since open(), don't restore
if ( target.data( "ui-tooltip-title" ) && !target.attr( "title" ) ) {
target.attr( "title", target.data( "ui-tooltip-title" ) );
}
this._removeDescribedBy( target );
tooltipData.hiding = true;
tooltip.stop( true );
this._hide( tooltip, this.options.hide, function() {
that._removeTooltip( $( this ) );
} );
target.removeData( "ui-tooltip-open" );
this._off( target, "mouseleave focusout keyup" );
// Remove 'remove' binding only on delegated targets
if ( target[ 0 ] !== this.element[ 0 ] ) {
this._off( target, "remove" );
}
this._off( this.document, "mousemove" );
if ( event && event.type === "mouseleave" ) {
$.each( this.parents, function( id, parent ) {
$( parent.element ).attr( "title", parent.title );
delete that.parents[ id ];
} );
}
tooltipData.closing = true;
this._trigger( "close", event, { tooltip: tooltip } );
if ( !tooltipData.hiding ) {
tooltipData.closing = false;
}
},
_tooltip: function( element ) {
var tooltip = $( "<div>" ).attr( "role", "tooltip" ),
content = $( "<div>" ).appendTo( tooltip ),
id = tooltip.uniqueId().attr( "id" );
this._addClass( content, "ui-tooltip-content" );
this._addClass( tooltip, "ui-tooltip", "ui-widget ui-widget-content" );
tooltip.appendTo( this._appendTo( element ) );
return this.tooltips[ id ] = {
element: element,
tooltip: tooltip
};
},
_find: function( target ) {
var id = target.data( "ui-tooltip-id" );
return id ? this.tooltips[ id ] : null;
},
_removeTooltip: function( tooltip ) {
// Clear the interval for delayed tracking tooltips
clearInterval( this.delayedShow );
tooltip.remove();
delete this.tooltips[ tooltip.attr( "id" ) ];
},
_appendTo: function( target ) {
var element = target.closest( ".ui-front, dialog" );
if ( !element.length ) {
element = this.document[ 0 ].body;
}
return element;
},
_destroy: function() {
var that = this;
// Close open tooltips
$.each( this.tooltips, function( id, tooltipData ) {
// Delegate to close method to handle common cleanup
var event = $.Event( "blur" ),
element = tooltipData.element;
event.target = event.currentTarget = element[ 0 ];
that.close( event, true );
// Remove immediately; destroying an open tooltip doesn't use the
// hide animation
$( "#" + id ).remove();
// Restore the title
if ( element.data( "ui-tooltip-title" ) ) {
// If the title attribute has changed since open(), don't restore
if ( !element.attr( "title" ) ) {
element.attr( "title", element.data( "ui-tooltip-title" ) );
}
element.removeData( "ui-tooltip-title" );
}
} );
this.liveRegion.remove();
}
} );
// DEPRECATED
// TODO: Switch return back to widget declaration at top of file when this is removed
if ( $.uiBackCompat !== false ) {
// Backcompat for tooltipClass option
$.widget( "ui.tooltip", $.ui.tooltip, {
options: {
tooltipClass: null
},
_tooltip: function() {
var tooltipData = this._superApply( arguments );
if ( this.options.tooltipClass ) {
tooltipData.tooltip.addClass( this.options.tooltipClass );
}
return tooltipData;
}
} );
}
return $.ui.tooltip;
} );