https://www.libriincantina.it/wp-includes/js/jquery/ui/tooltip.js?ver=1.14.2

1/*!
2 * jQuery UI Tooltip 1.14.2
3 * https://jqueryui.com
4 *
5 * Copyright OpenJS Foundation and other contributors
6 * Released under the MIT license.
7 * https://jquery.org/license
8 */
9
10//>>label: Tooltip
11//>>group: Widgets
12//>>description: Shows additional information for any element on hover or focus.
13//>>docs: https://api.jqueryui.com/tooltip/
14//>>demos: https://jqueryui.com/tooltip/
15//>>css.structure: ../../themes/base/core.css
16//>>css.structure: ../../themes/base/tooltip.css
17//>>css.theme: ../../themes/base/theme.css
18
19( function( factory ) {
20	"use strict";
21
22	if ( typeof define === "function" && define.amd ) {
23
24		// AMD. Register as an anonymous module.
25		define( [
26			"jquery",
27			"../keycode",
28			"../position",
29			"../unique-id",
30			"../version",
31			"../widget"
32		], factory );
33	} else {
34
35		// Browser globals
36		factory( jQuery );
37	}
38} )( function( $ ) {
39"use strict";
40
41$.widget( "ui.tooltip", {
42	version: "1.14.2",
43	options: {
44		classes: {
45			"ui-tooltip": "ui-corner-all ui-widget-shadow"
46		},
47		content: function() {
48			var title = $( this ).attr( "title" );
49
50			// Escape title, since we're going from an attribute to raw HTML
51			return $( "<a>" ).text( title ).html();
52		},
53		hide: true,
54
55		// Disabled elements have inconsistent behavior across browsers (#8661)
56		items: "[title]:not([disabled])",
57		position: {
58			my: "left top+15",
59			at: "left bottom",
60			collision: "flipfit flip"
61		},
62		show: true,
63		track: false,
64
65		// Callbacks
66		close: null,
67		open: null
68	},
69
70	_addDescribedBy: function( elem, id ) {
71		var describedby = ( elem.attr( "aria-describedby" ) || "" ).split( /\s+/ );
72		describedby.push( id );
73		elem
74			.data( "ui-tooltip-id", id )
75			.attr( "aria-describedby", String.prototype.trim.call( describedby.join( " " ) ) );
76	},
77
78	_removeDescribedBy: function( elem ) {
79		var id = elem.data( "ui-tooltip-id" ),
80			describedby = ( elem.attr( "aria-describedby" ) || "" ).split( /\s+/ ),
81			index = $.inArray( id, describedby );
82
83		if ( index !== -1 ) {
84			describedby.splice( index, 1 );
85		}
86
87		elem.removeData( "ui-tooltip-id" );
88		describedby = String.prototype.trim.call( describedby.join( " " ) );
89		if ( describedby ) {
90			elem.attr( "aria-describedby", describedby );
91		} else {
92			elem.removeAttr( "aria-describedby" );
93		}
94	},
95
96	_create: function() {
97		this._on( {
98			mouseover: "open",
99			focusin: "open"
100		} );
101
102		// IDs of generated tooltips, needed for destroy
103		this.tooltips = {};
104
105		// IDs of parent tooltips where we removed the title attribute
106		this.parents = {};
107
108		// Append the aria-live region so tooltips announce correctly
109		this.liveRegion = $( "<div>" )
110			.attr( {
111				role: "log",
112				"aria-live": "assertive",
113				"aria-relevant": "additions"
114			} )
115			.appendTo( this.document[ 0 ].body );
116		this._addClass( this.liveRegion, null, "ui-helper-hidden-accessible" );
117
118		this.disabledTitles = $( [] );
119	},
120
121	_setOption: function( key, value ) {
122		var that = this;
123
124		this._super( key, value );
125
126		if ( key === "content" ) {
127			$.each( this.tooltips, function( id, tooltipData ) {
128				that._updateContent( tooltipData.element );
129			} );
130		}
131	},
132
133	_setOptionDisabled: function( value ) {
134		this[ value ? "_disable" : "_enable" ]();
135	},
136
137	_disable: function() {
138		var that = this;
139
140		// Close open tooltips
141		$.each( this.tooltips, function( id, tooltipData ) {
142			var event = $.Event( "blur" );
143			event.target = event.currentTarget = tooltipData.element[ 0 ];
144			that.close( event, true );
145		} );
146
147		// Remove title attributes to prevent native tooltips
148		this.disabledTitles = this.disabledTitles.add(
149			this.element.find( this.options.items ).addBack()
150				.filter( function() {
151					var element = $( this );
152					if ( element.is( "[title]" ) ) {
153						return element
154							.data( "ui-tooltip-title", element.attr( "title" ) )
155							.removeAttr( "title" );
156					}
157				} )
158		);
159	},
160
161	_enable: function() {
162
163		// restore title attributes
164		this.disabledTitles.each( function() {
165			var element = $( this );
166			if ( element.data( "ui-tooltip-title" ) ) {
167				element.attr( "title", element.data( "ui-tooltip-title" ) );
168			}
169		} );
170		this.disabledTitles = $( [] );
171	},
172
173	open: function( event ) {
174		var that = this,
175			target = $( event ? event.target : this.element )
176
177				// we need closest here due to mouseover bubbling,
178				// but always pointing at the same event target
179				.closest( this.options.items );
180
181		// No element to show a tooltip for or the tooltip is already open
182		if ( !target.length || target.data( "ui-tooltip-id" ) ) {
183			return;
184		}
185
186		if ( target.attr( "title" ) ) {
187			target.data( "ui-tooltip-title", target.attr( "title" ) );
188		}
189
190		target.data( "ui-tooltip-open", true );
191
192		// Kill parent tooltips, custom or native, for hover
193		if ( event && event.type === "mouseover" ) {
194			target.parents().each( function() {
195				var parent = $( this ),
196					blurEvent;
197				if ( parent.data( "ui-tooltip-open" ) ) {
198					blurEvent = $.Event( "blur" );
199					blurEvent.target = blurEvent.currentTarget = this;
200					that.close( blurEvent, true );
201				}
202				if ( parent.attr( "title" ) ) {
203					parent.uniqueId();
204					that.parents[ this.id ] = {
205						element: this,
206						title: parent.attr( "title" )
207					};
208					parent.attr( "title", "" );
209				}
210			} );
211		}
212
213		this._registerCloseHandlers( event, target );
214		this._updateContent( target, event );
215	},
216
217	_updateContent: function( target, event ) {
218		var content,
219			contentOption = this.options.content,
220			that = this,
221			eventType = event ? event.type : null;
222
223		if ( typeof contentOption === "string" || contentOption.nodeType ||
224				contentOption.jquery ) {
225			return this._open( event, target, contentOption );
226		}
227
228		content = contentOption.call( target[ 0 ], function( response ) {
229
230			// Ignore async response if tooltip was closed already
231			if ( !target.data( "ui-tooltip-open" ) ) {
232				return;
233			}
234
235			// JQuery creates a special event for focusin when it doesn't
236			// exist natively. To improve performance, the native event
237			// object is reused and the type is changed. Therefore, we can't
238			// rely on the type being correct after the event finished
239			// bubbling, so we set it back to the previous value. (#8740)
240			if ( event ) {
241				event.type = eventType;
242			}
243			that._open( event, target, response );
244		} );
245		if ( content ) {
246			this._open( event, target, content );
247		}
248	},
249
250	_open: function( event, target, content ) {
251		var tooltipData, tooltip, delayedShow, a11yContent,
252			positionOption = $.extend( {}, this.options.position );
253
254		if ( !content ) {
255			return;
256		}
257
258		// Content can be updated multiple times. If the tooltip already
259		// exists, then just update the content and bail.
260		tooltipData = this._find( target );
261		if ( tooltipData ) {
262			tooltipData.tooltip.find( ".ui-tooltip-content" ).html( content );
263			return;
264		}
265
266		// If we have a title, clear it to prevent the native tooltip
267		// we have to check first to avoid defining a title if none exists
268		// (we don't want to cause an element to start matching [title])
269		//
270		// We use removeAttr only for key events, to allow IE to export the correct
271		// accessible attributes. For mouse events, set to empty string to avoid
272		// native tooltip showing up (happens only when removing inside mouseover).
273		if ( target.is( "[title]" ) ) {
274			if ( event && event.type === "mouseover" ) {
275				target.attr( "title", "" );
276			} else {
277				target.removeAttr( "title" );
278			}
279		}
280
281		tooltipData = this._tooltip( target );
282		tooltip = tooltipData.tooltip;
283		this._addDescribedBy( target, tooltip.attr( "id" ) );
284		tooltip.find( ".ui-tooltip-content" ).html( content );
285
286		// Support: Voiceover on OS X, JAWS on IE <= 9
287		// JAWS announces deletions even when aria-relevant="additions"
288		// Voiceover will sometimes re-read the entire log region's contents from the beginning
289		this.liveRegion.children().hide();
290		a11yContent = $( "<div>" ).html( tooltip.find( ".ui-tooltip-content" ).html() );
291		a11yContent.removeAttr( "name" ).find( "[name]" ).removeAttr( "name" );
292		a11yContent.removeAttr( "id" ).find( "[id]" ).removeAttr( "id" );
293		a11yContent.appendTo( this.liveRegion );
294
295		function position( event ) {
296			positionOption.of = event;
297			if ( tooltip.is( ":hidden" ) ) {
298				return;
299			}
300			tooltip.position( positionOption );
301		}
302		if ( this.options.track && event && /^mouse/.test( event.type ) ) {
303			this._on( this.document, {
304				mousemove: position
305			} );
306
307			// trigger once to override element-relative positioning
308			position( event );
309		} else {
310			tooltip.position( $.extend( {
311				of: target
312			}, this.options.position ) );
313		}
314
315		tooltip.hide();
316
317		this._show( tooltip, this.options.show );
318
319		// Handle tracking tooltips that are shown with a delay (#8644). As soon
320		// as the tooltip is visible, position the tooltip using the most recent
321		// event.
322		// Adds the check to add the timers only when both delay and track options are set (#14682)
323		if ( this.options.track && this.options.show && this.options.show.delay ) {
324			delayedShow = this.delayedShow = setInterval( function() {
325				if ( tooltip.is( ":visible" ) ) {
326					position( positionOption.of );
327					clearInterval( delayedShow );
328				}
329			}, 13 );
330		}
331
332		this._trigger( "open", event, { tooltip: tooltip } );
333	},
334
335	_registerCloseHandlers: function( event, target ) {
336		var events = {
337			keyup: function( event ) {
338				if ( event.keyCode === $.ui.keyCode.ESCAPE ) {
339					var fakeEvent = $.Event( event );
340					fakeEvent.currentTarget = target[ 0 ];
341					this.close( fakeEvent, true );
342				}
343			}
344		};
345
346		// Only bind remove handler for delegated targets. Non-delegated
347		// tooltips will handle this in destroy.
348		if ( target[ 0 ] !== this.element[ 0 ] ) {
349			events.remove = function() {
350				var targetElement = this._find( target );
351				if ( targetElement ) {
352					this._removeTooltip( targetElement.tooltip );
353				}
354			};
355		}
356
357		if ( !event || event.type === "mouseover" ) {
358			events.mouseleave = "close";
359		}
360		if ( !event || event.type === "focusin" ) {
361			events.focusout = "close";
362		}
363		this._on( true, target, events );
364	},
365
366	close: function( event ) {
367		var tooltip,
368			that = this,
369			target = $( event ? event.currentTarget : this.element ),
370			tooltipData = this._find( target );
371
372		// The tooltip may already be closed
373		if ( !tooltipData ) {
374
375			// We set ui-tooltip-open immediately upon open (in open()), but only set the
376			// additional data once there's actually content to show (in _open()). So even if the
377			// tooltip doesn't have full data, we always remove ui-tooltip-open in case we're in
378			// the period between open() and _open().
379			target.removeData( "ui-tooltip-open" );
380			return;
381		}
382
383		tooltip = tooltipData.tooltip;
384
385		// Disabling closes the tooltip, so we need to track when we're closing
386		// to avoid an infinite loop in case the tooltip becomes disabled on close
387		if ( tooltipData.closing ) {
388			return;
389		}
390
391		// Clear the interval for delayed tracking tooltips
392		clearInterval( this.delayedShow );
393
394		// Only set title if we had one before (see comment in _open())
395		// If the title attribute has changed since open(), don't restore
396		if ( target.data( "ui-tooltip-title" ) && !target.attr( "title" ) ) {
397			target.attr( "title", target.data( "ui-tooltip-title" ) );
398		}
399
400		this._removeDescribedBy( target );
401
402		tooltipData.hiding = true;
403		tooltip.stop( true );
404		this._hide( tooltip, this.options.hide, function() {
405			that._removeTooltip( $( this ) );
406		} );
407
408		target.removeData( "ui-tooltip-open" );
409		this._off( target, "mouseleave focusout keyup" );
410
411		// Remove 'remove' binding only on delegated targets
412		if ( target[ 0 ] !== this.element[ 0 ] ) {
413			this._off( target, "remove" );
414		}
415		this._off( this.document, "mousemove" );
416
417		if ( event && event.type === "mouseleave" ) {
418			$.each( this.parents, function( id, parent ) {
419				$( parent.element ).attr( "title", parent.title );
420				delete that.parents[ id ];
421			} );
422		}
423
424		tooltipData.closing = true;
425		this._trigger( "close", event, { tooltip: tooltip } );
426		if ( !tooltipData.hiding ) {
427			tooltipData.closing = false;
428		}
429	},
430
431	_tooltip: function( element ) {
432		var tooltip = $( "<div>" ).attr( "role", "tooltip" ),
433			content = $( "<div>" ).appendTo( tooltip ),
434			id = tooltip.uniqueId().attr( "id" );
435
436		this._addClass( content, "ui-tooltip-content" );
437		this._addClass( tooltip, "ui-tooltip", "ui-widget ui-widget-content" );
438
439		tooltip.appendTo( this._appendTo( element ) );
440
441		return this.tooltips[ id ] = {
442			element: element,
443			tooltip: tooltip
444		};
445	},
446
447	_find: function( target ) {
448		var id = target.data( "ui-tooltip-id" );
449		return id ? this.tooltips[ id ] : null;
450	},
451
452	_removeTooltip: function( tooltip ) {
453
454		// Clear the interval for delayed tracking tooltips
455		clearInterval( this.delayedShow );
456
457		tooltip.remove();
458		delete this.tooltips[ tooltip.attr( "id" ) ];
459	},
460
461	_appendTo: function( target ) {
462		var element = target.closest( ".ui-front, dialog" );
463
464		if ( !element.length ) {
465			element = this.document[ 0 ].body;
466		}
467
468		return element;
469	},
470
471	_destroy: function() {
472		var that = this;
473
474		// Close open tooltips
475		$.each( this.tooltips, function( id, tooltipData ) {
476
477			// Delegate to close method to handle common cleanup
478			var event = $.Event( "blur" ),
479				element = tooltipData.element;
480			event.target = event.currentTarget = element[ 0 ];
481			that.close( event, true );
482
483			// Remove immediately; destroying an open tooltip doesn't use the
484			// hide animation
485			$( "#" + id ).remove();
486
487			// Restore the title
488			if ( element.data( "ui-tooltip-title" ) ) {
489
490				// If the title attribute has changed since open(), don't restore
491				if ( !element.attr( "title" ) ) {
492					element.attr( "title", element.data( "ui-tooltip-title" ) );
493				}
494				element.removeData( "ui-tooltip-title" );
495			}
496		} );
497		this.liveRegion.remove();
498	}
499} );
500
501// DEPRECATED
502// TODO: Switch return back to widget declaration at top of file when this is removed
503if ( $.uiBackCompat === true ) {
504
505	// Backcompat for tooltipClass option
506	$.widget( "ui.tooltip", $.ui.tooltip, {
507		options: {
508			tooltipClass: null
509		},
510		_tooltip: function() {
511			var tooltipData = this._superApply( arguments );
512			if ( this.options.tooltipClass ) {
513				tooltipData.tooltip.addClass( this.options.tooltipClass );
514			}
515			return tooltipData;
516		}
517	} );
518}
519
520return $.ui.tooltip;
521
522} );