From 67d49f593bb34f10751421a51c8e13d42bc1b16e Mon Sep 17 00:00:00 2001
From: jzaefferer <joern.zaefferer@gmail.com>
Date: Wed, 13 Apr 2011 14:01:46 +0200
Subject: [PATCH] Overhaul tooltip implementation. Avoid queuing and other
 problems by creating the tooltip element on the fly, never reusing it. Use
 aria-describedby attribute to find the associated tooltip again. Allows
 customizing animations much easier (just replace fadeIn/fadeOut), still open.
 Updated demos and visual test to replace now-missing .widget() method. Added
 tooltipClass for that.

---
 demos/tooltip/custom-animation.html |   7 +-
 demos/tooltip/index.html            |   1 +
 demos/tooltip/tracking.html         |  13 ++-
 tests/visual/tooltip/tooltip.html   |  25 +++---
 ui/jquery.ui.tooltip.js             | 130 +++++++++++++++-------------
 5 files changed, 95 insertions(+), 81 deletions(-)

diff --git a/demos/tooltip/custom-animation.html b/demos/tooltip/custom-animation.html
index a9d0df66e..a9745a062 100644
--- a/demos/tooltip/custom-animation.html
+++ b/demos/tooltip/custom-animation.html
@@ -11,12 +11,15 @@
 	<link type="text/css" href="../demos.css" rel="stylesheet" />
 	<script type="text/javascript">
 	$(function() {
+		// TODO overhaul this with custom animation API
 		$(".demo").tooltip({
 			open: function() {
-				$(this).tooltip("widget").stop(false, true).hide().slideDown();
+				$(".ui-tooltip").stop(false, true).hide().slideDown();
 			},
 			close: function() {
-				$(this).tooltip("widget").stop(false, true).show().slideUp();
+				$(".ui-tooltip").stop(false, false).show().slideUp(function() {
+					$(this).remove();
+				});
 			}
 		});
 	});
diff --git a/demos/tooltip/index.html b/demos/tooltip/index.html
index 6bc9c1e5c..3563350c5 100644
--- a/demos/tooltip/index.html
+++ b/demos/tooltip/index.html
@@ -14,6 +14,7 @@
 		<li><a href="tracking.html">Track the mouse</a></li>
 		<li><a href="custom-animation.html">Custom animation</a></li>
 		<li><a href="delegation-mixbag.html">Delegation Mixbag</a></li>
+		<li><a href="lots.html">Lots</a></li>
 	</ul>
 </div>
 
diff --git a/demos/tooltip/tracking.html b/demos/tooltip/tracking.html
index e3bb19e74..dd5dc9d92 100644
--- a/demos/tooltip/tracking.html
+++ b/demos/tooltip/tracking.html
@@ -13,12 +13,11 @@
 	$(function() {
 		$(".demo").tooltip({
 			open: function() {
-				var tooltip = $(this).tooltip("widget");
-				$(document).mousemove(function(event) {
-					tooltip.position({
-						my: "left center",
-						at: "right center",
-						offset: "25 25",
+				var tooltip = $( ".ui-tooltip" );
+				$(document).mousemove(function( event ) {
+					tooltip.position( {
+						my: "left+25 center",
+						at: "right+25 center",
 						of: event
 					});
 				})
@@ -26,7 +25,7 @@
 				.mousemove();
 			},
 			close: function() {
-				$(document).unbind("mousemove");
+				$(document).unbind( "mousemove" );
 			}
 		});
 	});
diff --git a/tests/visual/tooltip/tooltip.html b/tests/visual/tooltip/tooltip.html
index 538b43804..70c850b60 100644
--- a/tests/visual/tooltip/tooltip.html
+++ b/tests/visual/tooltip/tooltip.html
@@ -10,7 +10,9 @@
 	<script type="text/javascript" src="../../../ui/jquery.ui.position.js"></script>
 	<script type="text/javascript" src="../../../ui/jquery.ui.button.js"></script>
 	<script type="text/javascript" src="../../../ui/jquery.ui.tooltip.js"></script>
+	<!--
 	<script type="text/javascript" src="http://jqueryui.com/themeroller/themeswitchertool/"></script>
+	-->
 	<script type="text/javascript">
 	$(function() {
 		$.fn.themeswitcher && $('<div/>').css({
@@ -18,20 +20,22 @@
 			right: 10,
 			top: 10
 		}).appendTo(document.body).themeswitcher();
-		
+
 		function enable() {
 			// default
 			$("#context1, form, #childish").tooltip();
 			
 			// custom class, replaces ui-widget-content
-			$("#context2").tooltip().each(function() {
-				$(this).tooltip("widget").addClass("ui-widget-header");
-			})
-			$("#right1").tooltip().tooltip("widget").addClass("ui-state-error");
+			$("#context2").tooltip({
+				tooltipClass: "ui-widget-header"
+			});
+			$("#right1").tooltip({
+				tooltipClass: "ui-state-error"
+			});
 			
 			// synchronous content
 			$("#footnotes").tooltip({
-				items: "[href^=#]",
+				items: "[href^='#']",
 				content: function() {
 					return $($(this).attr("href")).html();
 				}
@@ -64,12 +68,13 @@
 			
 			// custom position
 			$("#right2").tooltip({
+				tooltipClass: "ui-state-highlight",
 				position: {
 					my: "center top",
 					at: "center bottom",
 					offset: "0 10"
 				}
-			}).tooltip("widget").addClass("ui-state-highlight");
+			});
 			
 			$("#button1").button();
 			$("#button2").button({
@@ -94,12 +99,12 @@
 		enable();
 		
 		$("#disable").toggle(function() {
-			$("*").tooltip("disable");
+			$(":ui-tooltip").tooltip("disable");
 		}, function() {
-			$("*").tooltip("enable");
+			$(":ui-tooltip").tooltip("enable");
 		});
 		$("#toggle").toggle(function() {
-			$("*").tooltip("destroy");
+			$(":ui-tooltip").tooltip("destroy");
 		}, function() {
 			enable();
 		});
diff --git a/ui/jquery.ui.tooltip.js b/ui/jquery.ui.tooltip.js
index 9b4d52bd1..534b3c947 100644
--- a/ui/jquery.ui.tooltip.js
+++ b/ui/jquery.ui.tooltip.js
@@ -18,9 +18,10 @@ var increments = 0;
 
 $.widget("ui.tooltip", {
 	options: {
+		tooltipClass: null,
 		items: "[title]",
 		content: function() {
-			return $(this).attr("title");
+			return $( this ).attr( "title" );
 		},
 		position: {
 			my: "left center",
@@ -29,25 +30,10 @@ $.widget("ui.tooltip", {
 		}
 	},
 	_create: function() {
-		var self = this;
-		this.tooltip = $("<div></div>")
-			.attr("id", "ui-tooltip-" + increments++)
-			.attr("role", "tooltip")
-			.attr("aria-hidden", "true")
-			.addClass("ui-tooltip ui-widget ui-corner-all ui-widget-content")
-			.appendTo(document.body)
-			.hide();
-		this.tooltipContent = $("<div></div>")
-			.addClass("ui-tooltip-content")
-			.appendTo(this.tooltip);
-		this.opacity = this.tooltip.css("opacity");
-		this.element
-			.bind("focus.tooltip mouseover.tooltip", function(event) {
-				self.open( event );
-			})
-			.bind("blur.tooltip mouseout.tooltip", function(event) {
-				self.close( event );
-			});
+		this._bind( {
+			mouseover: "open",
+			focusin: "open"
+		});
 	},
 	
 	enable: function() {
@@ -55,34 +41,28 @@ $.widget("ui.tooltip", {
 	},
 	
 	disable: function() {
+		// only set option, disable element style changes
 		this.options.disabled = true;
 	},
 	
-	_destroy: function() {
-		this.tooltip.remove();
-	},
-	
-	widget: function() {
-		return this.element.pushStack(this.tooltip.get());
-	},
-	
 	open: function(event) {
 		var target = $(event && event.target || this.element).closest(this.options.items);
 		if ( !target.length ) {
 			return;
 		}
-		// already visible? possible when both focus and mouseover events occur
-		if (this.current && this.current[0] == target[0])
-			return;
 		var self = this;
-		this.current = target;
-		this.currentTitle = target.attr("title");
+		if ( !target.data("tooltip-title") ) {
+			target.data("tooltip-title", target.attr("title"));
+		}
 		var content = this.options.content.call(target[0], function(response) {
 			// IE may instantly serve a cached response, need to give it a chance to finish with _open before that
 			setTimeout(function() {
-				// ignore async responses that come in after the tooltip is already hidden
-				if (self.current == target)
+				// when undefined, it got removeAttr, then ignore (ajax response)
+				// intially its an empty string, so not undefined
+				// TODO is there a better approach to enable ajax tooltips to have two updates?
+				if (target.attr( "aria-describedby" ) !== undefined) {
 					self._open(event, target, response);
+				}
 			}, 13);
 		});
 		if (content) {
@@ -90,48 +70,74 @@ $.widget("ui.tooltip", {
 		}
 	},
 	
-	_open: function(event, target, content) {
-		if (!content)
+	_open: function( event, target, content ) {
+		if ( !content )
 			return;
-		
+
 		target.attr("title", "");
-		
-		if (this.options.disabled)
+
+		if ( this.options.disabled )
 			return;
-			
-		this.tooltipContent.html(content);
-		this.tooltip.css({
-			top: 0,
-			left: 0
-		}).show().position( $.extend({
+
+		// ajaxy tooltip can update an existing one
+		var tooltip = this._find( target );
+		if (!tooltip.length) {
+			tooltip = this._tooltip();
+			target.attr( "aria-describedby", tooltip.attr( "id" ) );
+		}
+		tooltip.find(".ui-tooltip-content").html( content );
+		tooltip.position( $.extend({
 			of: target
-		}, this.options.position )).hide();
-		
-		this.tooltip.attr("aria-hidden", "false");
-		target.attr("aria-describedby", this.tooltip.attr("id"));
+		}, this.options.position ) ).hide();
+
 
-		this.tooltip.stop(false, true).fadeIn();
+		tooltip.fadeIn();
 
 		this._trigger( "open", event );
+
+		this._bind( target, {
+			mouseleave: "close",
+			blur: "close"
+		});
 	},
 	
-	close: function(event) {
-		if (!this.current)
-			return;
-		
-		var current = this.current;
-		this.current = null;
-		current.attr("title", this.currentTitle);
+	close: function( event ) {
+		var target = $( event && event.currentTarget || this.element );
+		target.attr( "title", target.data( "tooltip-title" ) );
 		
-		if (this.options.disabled)
+		if ( this.options.disabled )
 			return;
+
+		var tooltip = this._find( target );
+		target.removeAttr( "aria-describedby" );
 		
-		current.removeAttr("aria-describedby");
-		this.tooltip.attr("aria-hidden", "true");
+		tooltip.fadeOut( function() {
+			$( this ).remove();
+		});
 		
-		this.tooltip.stop(false, true).fadeOut();
+		target.unbind( "mouseleave.tooltip blur.tooltip" );
 		
 		this._trigger( "close", event );
+	},
+
+	_tooltip: function() {
+		var tooltip = $( "<div></div>" )
+			.attr( "id", "ui-tooltip-" + increments++ )
+			.attr( "role", "tooltip" )
+			.addClass( "ui-tooltip ui-widget ui-corner-all ui-widget-content" );
+		if (this.options.tooltipClass) {
+			tooltip.addClass(this.options.tooltipClass);
+		}
+		$( "<div></div>" )
+			.addClass( "ui-tooltip-content" )
+			.appendTo( tooltip );
+		tooltip.appendTo( document.body );
+		return tooltip;
+	},
+
+	_find: function( target ) {
+		var id = target.attr( "aria-describedby" );
+		return id ? $( document.getElementById( id ) ) : $();
 	}
 });
 
-- 
2.39.5