/*! * jQuery UI Tooltip @VERSION * http://jqueryui.com * * Copyright 2012 jQuery Foundation and other contributors * Released under the MIT license. * http://jquery.org/license * * http://api.jqueryui.com/tooltip/ * * Depends: * jquery.ui.core.js * jquery.ui.widget.js * jquery.ui.position.js */ (function( $ ) { var increments = 0; function addDescribedBy( elem, id ) { var describedby = (elem.attr( "aria-describedby" ) || "").split( /\s+/ ); describedby.push( id ); elem .data( "ui-tooltip-id", id ) .attr( "aria-describedby", $.trim( describedby.join( " " ) ) ); } function removeDescribedBy( 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 = $.trim( describedby.join( " " ) ); if ( describedby ) { elem.attr( "aria-describedby", describedby ); } else { elem.removeAttr( "aria-describedby" ); } } $.widget( "ui.tooltip", { version: "@VERSION", options: { content: function() { return $( this ).attr( "title" ); }, 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, tooltipClass: null, track: false, // callbacks close: null, open: null }, _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 = {}; if ( this.options.disabled ) { this._disable(); } }, _setOption: function( key, value ) { var that = this; if ( key === "disabled" ) { this[ value ? "_disable" : "_enable" ](); this.options[ key ] = value; // disable element style changes return; } this._super( key, value ); if ( key === "content" ) { $.each( this.tooltips, function( id, element ) { that._updateContent( element ); }); } }, _disable: function() { var that = this; // close open tooltips $.each( this.tooltips, function( id, element ) { var event = $.Event( "blur" ); event.target = event.currentTarget = element[0]; that.close( event, true ); }); // remove title attributes to prevent native tooltips this.element.find( this.options.items ).andSelf().each(function() { var element = $( this ); if ( element.is( "[title]" ) ) { element .data( "ui-tooltip-title", element.attr( "title" ) ) .attr( "title", "" ); } }); }, _enable: function() { // restore title attributes this.element.find( this.options.items ).andSelf().each(function() { var element = $( this ); if ( element.data( "ui-tooltip-title" ) ) { element.attr( "title", element.data( "ui-tooltip-title" ) ); } }); }, 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 if ( !target.length ) { return; } // If the tooltip is open and we're tracking then reposition the tooltip. // This makes sure that a tracking tooltip doesn't obscure a focused element // if the user was hovering when the element gained focused. if ( this.options.track && target.data( "ui-tooltip-id" ) ) { this._find( target ).position( $.extend({ of: target }, this.options.position ) ); // Stop tracking (#8622) this._off( this.document, "mousemove" ); 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._updateContent( target, event ); }, _updateContent: function( target, event ) { var content, contentOption = this.options.content, that = this, eventType = event ? event.type : null; if ( typeof contentOption === "string" ) { return this._open( event, target, contentOption ); } content = contentOption.call( target[0], function( response ) { // ignore async response if tooltip was closed already if ( !target.data( "ui-tooltip-open" ) ) { return; } // 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() { // 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 tooltip, events, delayedShow, 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. tooltip = this._find( target ); if ( tooltip.length ) { 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" ); } } tooltip = this._tooltip( target ); addDescribedBy( target, tooltip.attr( "id" ) ); tooltip.find( ".ui-tooltip-content" ).html( content ); 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. if ( this.options.show && this.options.show.delay ) { delayedShow = setInterval(function() { if ( tooltip.is( ":visible" ) ) { position( positionOption.of ); clearInterval( delayedShow ); } }, $.fx.interval ); } this._trigger( "open", event, { tooltip: tooltip } ); events = { keyup: function( event ) { if ( event.keyCode === $.ui.keyCode.ESCAPE ) { var fakeEvent = $.Event(event); fakeEvent.currentTarget = target[0]; this.close( fakeEvent, true ); } }, remove: function() { this._removeTooltip( 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 that = this, target = $( event ? event.currentTarget : this.element ), tooltip = this._find( target ); // 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 ( this.closing ) { return; } // only set title if we had one before (see comment in _open()) if ( target.data( "ui-tooltip-title" ) ) { target.attr( "title", target.data( "ui-tooltip-title" ) ); } removeDescribedBy( target ); 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 ]; }); } this.closing = true; this._trigger( "close", event, { tooltip: tooltip } ); this.closing = false; }, _tooltip: function( element ) { var id = "ui-tooltip-" + increments++, tooltip = $( "
" ) .attr({ id: id, role: "tooltip" }) .addClass( "ui-tooltip ui-widget ui-corner-all ui-widget-content " + ( this.options.tooltipClass || "" ) ); $( "
" ) .addClass( "ui-tooltip-content" ) .appendTo( tooltip ); tooltip.appendTo( this.document[0].body ); if ( $.fn.bgiframe ) { tooltip.bgiframe(); } this.tooltips[ id ] = element; return tooltip; }, _find: function( target ) { var id = target.data( "ui-tooltip-id" ); return id ? $( "#" + id ) : $(); }, _removeTooltip: function( tooltip ) { tooltip.remove(); delete this.tooltips[ tooltip.attr( "id" ) ]; }, _destroy: function() { var that = this; // close open tooltips $.each( this.tooltips, function( id, element ) { // Delegate to close method to handle common cleanup var event = $.Event( "blur" ); 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" ) ) { element.attr( "title", element.data( "ui-tooltip-title" ) ); element.removeData( "ui-tooltip-title" ); } }); } }); }( jQuery ) );