Plato - dojo/mouse.js

define(["./_base/kernel", "./on", "./has", "./dom", "./_base/window"], function(dojo, on, has, dom, win){

// module:
	//		dojo/mouse

has.add("dom-quirks", win.doc && win.doc.compatMode == "BackCompat");
	has.add("events-mouseenter", win.doc && "onmouseenter" in win.doc.createElement("div"));
	has.add("events-mousewheel", win.doc && 'onmousewheel' in win.doc);

var mouseButtons;
	if((has("dom-quirks") && has("ie")) || !has("dom-addeventlistener")){
		mouseButtons = {
			LEFT:   1,
			MIDDLE: 4,
			RIGHT:  2,
			// helper functions
			isButton: function(e, button){ return e.button & button; },
			isLeft:   function(e){ return e.button & 1; },
			isMiddle: function(e){ return e.button & 4; },
			isRight:  function(e){ return e.button & 2; }
		};
	}else{
		mouseButtons = {
			LEFT:   0,
			MIDDLE: 1,
			RIGHT:  2,
			// helper functions
			isButton: function(e, button){ return e.button == button; },
			isLeft:   function(e){ return e.button == 0; },
			isMiddle: function(e){ return e.button == 1; },
			isRight:  function(e){ return e.button == 2; }
		};
	}
	dojo.mouseButtons = mouseButtons;

/*=====
	dojo.mouseButtons = {
		// LEFT: Number
		//		Numeric value of the left mouse button for the platform.
		LEFT:   0,
		// MIDDLE: Number
		//		Numeric value of the middle mouse button for the platform.
		MIDDLE: 1,
		// RIGHT: Number
		//		Numeric value of the right mouse button for the platform.
		RIGHT:  2,

isButton: function(e, button){
			// summary:
			//		Checks an event object for a pressed button
			// e: Event
			//		Event object to examine
			// button: Number
			//		The button value (example: dojo.mouseButton.LEFT)
			return e.button == button; // Boolean
		},
		isLeft: function(e){
			// summary:
			//		Checks an event object for the pressed left button
			// e: Event
			//		Event object to examine
			return e.button == 0; // Boolean
		},
		isMiddle: function(e){
			// summary:
			//		Checks an event object for the pressed middle button
			// e: Event
			//		Event object to examine
			return e.button == 1; // Boolean
		},
		isRight: function(e){
			// summary:
			//		Checks an event object for the pressed right button
			// e: Event
			//		Event object to examine
			return e.button == 2; // Boolean
		}
	};
=====*/

_eventHandler: eventHandler,		// for dojo/touch

// enter: Synthetic Event
		//		This is an extension event for the mouseenter that IE provides, emulating the
		//		behavior on other browsers.
		enter: eventHandler("mouseover"),

// leave: Synthetic Event
		//		This is an extension event for the mouseleave that IE provides, emulating the
		//		behavior on other browsers.
		leave: eventHandler("mouseout"),

// wheel: Normalized Mouse Wheel Event
		//		This is an extension event for the mousewheel that non-Mozilla browsers provide,
		//		emulating the behavior on Mozilla based browsers.
		wheel: wheel,

isLeft: mouseButtons.isLeft,
		/*=====
		isLeft: function(){
			// summary:
			//		Test an event object (from a mousedown event) to see if the left button was pressed.
		},
		=====*/

isMiddle: mouseButtons.isMiddle,
		/*=====
		 isMiddle: function(){
			 // summary:
			 //		Test an event object (from a mousedown event) to see if the middle button was pressed.
		 },
		 =====*/

isRight: mouseButtons.isRight
		/*=====
		 , isRight: function(){
			 // summary:
			 //		Test an event object (from a mousedown event) to see if the right button was pressed.
		 }
		 =====*/
	};
});

dojo/mouse.js

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