Tooltip: Update open tooltips if the content option changes. Fixes #8…

…544 - Unable to update tooltip content dynamically.

tests/unit/tooltip/tooltip_options.js

@@ -46,6 +46,25 @@ asyncTest( "content: sync + async callback", function() {
 	}).tooltip( "open" );
 });
 
+test( "content: change while open", function() {
+	expect( 2 ) ;
+	var element = $( "#tooltipped1" ).tooltip({
+		content: function() {
+			return "old";
+		}
+	});
+
+	element.one( "tooltipopen", function( event, ui ) {
+		equal( ui.tooltip.text(), "old", "original content" );
+		element.tooltip( "option", "content", function() {
+			return "new";
+		});
+		equal( ui.tooltip.text(), "new", "updated content" );
+	});
+
+	element.tooltip( "open" );
+});
+
 test( "items", function() {
 	expect( 2 );
 	var event,

ui/jquery.ui.tooltip.js

@@ -73,13 +73,22 @@ $.widget( "ui.tooltip", {
 	},
 
 	_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() {
@@ -114,9 +123,7 @@ $.widget( "ui.tooltip", {
 	},
 
 	open: function( event ) {
-		var content,
-			that = this,
-			target = $( event ? event.target : this.element )
+		var target = $( event ? event.target : this.element )
 				.closest( this.options.items );
 
 		// No element to show a tooltip for
@@ -140,19 +147,26 @@ $.widget( "ui.tooltip", {
 
 		target.data( "tooltip-open", true );
 
+		this._updateContent( target, event );
+	},
+
+	_updateContent: function( target, event ) {
+		var content,
+			that = this;
+
 		content = this.options.content.call( target[0], function( response ) {
 			// ignore async response if tooltip was closed already
 			if ( !target.data( "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
-			setTimeout(function() {
-				that._open( event, target, response );
-			}, 1 );
+			that._delay(function() {
+				this._open( event, target, response );
+			});
 		});
 		if ( content ) {
-			that._open( event, target, content );
+			this._open( event, target, content );
 		}
 	},