| /*! |
| * jQuery UI Mouse 1.9.2 |
| * http://jqueryui.com |
| * |
| * Copyright 2012 jQuery Foundation and other contributors |
| * Released under the MIT license. |
| * http://jquery.org/license |
| * |
| * http://api.jqueryui.com/mouse/ |
| * |
| * Depends: |
| * jquery.ui.widget.js |
| */ |
| (function( $, undefined ) { |
| |
| var mouseHandled = false; |
| $( document ).mouseup( function( e ) { |
| mouseHandled = false; |
| }); |
| |
| $.widget("ui.mouse", { |
| version: "1.9.2", |
| options: { |
| cancel: 'input,textarea,button,select,option', |
| distance: 1, |
| delay: 0 |
| }, |
| _mouseInit: function() { |
| var that = this; |
| |
| this.element |
| .bind('mousedown.'+this.widgetName, function(event) { |
| return that._mouseDown(event); |
| }) |
| .bind('click.'+this.widgetName, function(event) { |
| if (true === $.data(event.target, that.widgetName + '.preventClickEvent')) { |
| $.removeData(event.target, that.widgetName + '.preventClickEvent'); |
| 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); |
| if ( this._mouseMoveDelegate ) { |
| $(document) |
| .unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate) |
| .unbind('mouseup.'+this.widgetName, this._mouseUpDelegate); |
| } |
| }, |
| |
| _mouseDown: function(event) { |
| // don't let more than one widget handle mouseStart |
| if( mouseHandled ) { return; } |
| |
| // we may have missed mouseup (out of window) |
| (this._mouseStarted && this._mouseUp(event)); |
| |
| this._mouseDownEvent = event; |
| |
| var that = this, |
| btnIsLeft = (event.which === 1), |
| // event.target.nodeName works around a bug in IE 8 with |
| // disabled inputs (#7620) |
| elIsCancel = (typeof this.options.cancel === "string" && event.target.nodeName ? $(event.target).closest(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() { |
| that.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; |
| } |
| } |
| |
| // Click event may never have fired (Gecko & Opera) |
| if (true === $.data(event.target, this.widgetName + '.preventClickEvent')) { |
| $.removeData(event.target, this.widgetName + '.preventClickEvent'); |
| } |
| |
| // these delegates are required to keep context |
| this._mouseMoveDelegate = function(event) { |
| return that._mouseMove(event); |
| }; |
| this._mouseUpDelegate = function(event) { |
| return that._mouseUp(event); |
| }; |
| $(document) |
| .bind('mousemove.'+this.widgetName, this._mouseMoveDelegate) |
| .bind('mouseup.'+this.widgetName, this._mouseUpDelegate); |
| |
| event.preventDefault(); |
| |
| mouseHandled = true; |
| return true; |
| }, |
| |
| _mouseMove: function(event) { |
| // IE mouseup check - mouseup happened when mouse was out of window |
| if ($.ui.ie && !(document.documentMode >= 9) && !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; |
| |
| if (event.target === this._mouseDownEvent.target) { |
| $.data(event.target, this.widgetName + '.preventClickEvent', true); |
| } |
| |
| 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); |