X-Git-Url: https://scripts.mit.edu/gitweb/autoinstallsdev/mediawiki.git/blobdiff_plain/87219ebd28426c6d21cb545233ee52f5f7af7dfd..18a6620945d02687fbcfc4c27355d952fd748b41:/resources/jquery.ui/jquery.ui.mouse.js

diff --git a/resources/jquery.ui/jquery.ui.mouse.js b/resources/jquery.ui/jquery.ui.mouse.js
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+++ b/resources/jquery.ui/jquery.ui.mouse.js
@@ -0,0 +1,151 @@
+/*!
+ * jQuery UI Mouse 1.8.2
+ *
+ * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
+ * Dual licensed under the MIT (MIT-LICENSE.txt)
+ * and GPL (GPL-LICENSE.txt) licenses.
+ *
+ * http://docs.jquery.com/UI/Mouse
+ *
+ * Depends:
+ *	jquery.ui.widget.js
+ */
+(function($) {
+
+$.widget("ui.mouse", {
+	options: {
+		cancel: ':input,option',
+		distance: 1,
+		delay: 0
+	},
+	_mouseInit: function() {
+		var self = this;
+
+		this.element
+			.bind('mousedown.'+this.widgetName, function(event) {
+				return self._mouseDown(event);
+			})
+			.bind('click.'+this.widgetName, function(event) {
+				if(self._preventClickEvent) {
+					self._preventClickEvent = false;
+					event.stopImmediatePropagation();
+					return false;
+				}
+			});
+
+		this.started = false;
+	},
+
+	// TODO: make sure destroying one instance of mouse doesn't mess with
+	// other instances of mouse
+	_mouseDestroy: function() {
+		this.element.unbind('.'+this.widgetName);
+	},
+
+	_mouseDown: function(event) {
+		// don't let more than one widget handle mouseStart
+		// TODO: figure out why we have to use originalEvent
+		event.originalEvent = event.originalEvent || {};
+		if (event.originalEvent.mouseHandled) { return; }
+
+		// we may have missed mouseup (out of window)
+		(this._mouseStarted && this._mouseUp(event));
+
+		this._mouseDownEvent = event;
+
+		var self = this,
+			btnIsLeft = (event.which == 1),
+			elIsCancel = (typeof this.options.cancel == "string" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length : false);
+		if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
+			return true;
+		}
+
+		this.mouseDelayMet = !this.options.delay;
+		if (!this.mouseDelayMet) {
+			this._mouseDelayTimer = setTimeout(function() {
+				self.mouseDelayMet = true;
+			}, this.options.delay);
+		}
+
+		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
+			this._mouseStarted = (this._mouseStart(event) !== false);
+			if (!this._mouseStarted) {
+				event.preventDefault();
+				return true;
+			}
+		}
+
+		// these delegates are required to keep context
+		this._mouseMoveDelegate = function(event) {
+			return self._mouseMove(event);
+		};
+		this._mouseUpDelegate = function(event) {
+			return self._mouseUp(event);
+		};
+		$(document)
+			.bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
+			.bind('mouseup.'+this.widgetName, this._mouseUpDelegate);
+
+		// preventDefault() is used to prevent the selection of text here -
+		// however, in Safari, this causes select boxes not to be selectable
+		// anymore, so this fix is needed
+		($.browser.safari || event.preventDefault());
+
+		event.originalEvent.mouseHandled = true;
+		return true;
+	},
+
+	_mouseMove: function(event) {
+		// IE mouseup check - mouseup happened when mouse was out of window
+		if ($.browser.msie && !event.button) {
+			return this._mouseUp(event);
+		}
+
+		if (this._mouseStarted) {
+			this._mouseDrag(event);
+			return event.preventDefault();
+		}
+
+		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
+			this._mouseStarted =
+				(this._mouseStart(this._mouseDownEvent, event) !== false);
+			(this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
+		}
+
+		return !this._mouseStarted;
+	},
+
+	_mouseUp: function(event) {
+		$(document)
+			.unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
+			.unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);
+
+		if (this._mouseStarted) {
+			this._mouseStarted = false;
+			this._preventClickEvent = (event.target == this._mouseDownEvent.target);
+			this._mouseStop(event);
+		}
+
+		return false;
+	},
+
+	_mouseDistanceMet: function(event) {
+		return (Math.max(
+				Math.abs(this._mouseDownEvent.pageX - event.pageX),
+				Math.abs(this._mouseDownEvent.pageY - event.pageY)
+			) >= this.options.distance
+		);
+	},
+
+	_mouseDelayMet: function(event) {
+		return this.mouseDelayMet;
+	},
+
+	// These are placeholder methods, to be overriden by extending plugin
+	_mouseStart: function(event) {},
+	_mouseDrag: function(event) {},
+	_mouseStop: function(event) {},
+	_mouseCapture: function(event) { return true; }
+});
+
+})(jQuery);