1 files changed, 132 insertions, 0 deletions
diff --git a/extlib/leaflet/src/dom/DomEvent.js b/extlib/leaflet/src/dom/DomEvent.js
new file mode 100644
index 00000000..bcabebc2
--- /dev/null
+++ b/extlib/leaflet/src/dom/DomEvent.js
@@ -0,0 +1,132 @@
+/*
+ * L.DomEvent contains functions for working with DOM events.
+ */
+
+L.DomEvent = {
+	/* inpired by John Resig, Dean Edwards and YUI addEvent implementations */
+	addListener: function(/*HTMLElement*/ obj, /*String*/ type, /*Function*/ fn, /*Object*/ context) {
+		var id = L.Util.stamp(fn);
+		
+		function handler(e) {
+			return fn.call(context || obj, e || L.DomEvent._getEvent());
+		}
+		
+		if (L.Browser.touch && (type == 'dblclick') && this.addDoubleTapListener) {
+			this.addDoubleTapListener(obj, handler, id);
+		} else if ('addEventListener' in obj) {
+			if (type == 'mousewheel') {
+				obj.addEventListener('DOMMouseScroll', handler, false);
+				obj.addEventListener(type, handler, false);
+			} else if ((type == 'mouseenter') || (type == 'mouseleave')) {
+				var originalHandler = handler,
+					newType = (type == 'mouseenter' ? 'mouseover' : 'mouseout');
+				handler = function(e) {
+					if (!L.DomEvent._checkMouse(obj, e)) return;
+					return originalHandler(e);
+				};
+				obj.addEventListener(newType, handler, false);
+			} else {
+				obj.addEventListener(type, handler, false);
+			}
+		} else if ('attachEvent' in obj) {
+			obj.attachEvent("on" + type, handler);
+		}
+		
+		obj['_leaflet_' + type + id] = handler;
+	},
+	
+	removeListener: function(/*HTMLElement*/ obj, /*String*/ type, /*Function*/ fn) {
+		var id = L.Util.stamp(fn),
+			key = '_leaflet_' + type + id;
+			handler = obj[key];
+			
+		if (L.Browser.mobileWebkit && (type == 'dblclick') && this.removeDoubleTapListener) {
+			this.removeDoubleTapListener(obj, id);
+		} else if ('removeEventListener' in obj) {
+			if (type == 'mousewheel') {
+				obj.removeEventListener('DOMMouseScroll', handler, false);
+				obj.removeEventListener(type, handler, false);
+			} else if ((type == 'mouseenter') || (type == 'mouseleave')) {
+				obj.removeEventListener((type == 'mouseenter' ? 'mouseover' : 'mouseout'), handler, false);
+			} else {
+				obj.removeEventListener(type, handler, false);
+			}
+		} else if ('detachEvent' in obj) {
+			obj.detachEvent("on" + type, handler);
+		}
+		obj[key] = null; 
+	},
+	
+	_checkMouse: function(el, e) {
+		var related = e.relatedTarget;
+		
+		if (!related) return true;
+		
+		try {
+			while (related && (related != el)) { 
+				related = related.parentNode; 
+			}
+		} catch(err) { return false; }
+		
+		return (related != el);
+	},
+	
+	_getEvent: function()/*->Event*/ {
+		var e = window.event;
+		if (!e) {
+			var caller = arguments.callee.caller;
+			while (caller) {
+				e = caller['arguments'][0];
+				if (e && Event == e.constructor) { break; }
+				caller = caller.caller;
+			}
+		}
+		return e;
+	},
+	
+	stopPropagation: function(/*Event*/ e) {
+		if (e.stopPropagation) {
+			e.stopPropagation();
+		} else {
+			e.cancelBubble = true;
+		}
+	},
+	
+	disableClickPropagation: function(/*HTMLElement*/ el) {
+		L.DomEvent.addListener(el, 'mousedown', L.DomEvent.stopPropagation);
+		L.DomEvent.addListener(el, 'click', L.DomEvent.stopPropagation);
+		L.DomEvent.addListener(el, 'dblclick', L.DomEvent.stopPropagation);
+	},
+	
+	preventDefault: function(/*Event*/ e) {
+		if (e.preventDefault) {
+			e.preventDefault();
+		} else {
+			e.returnValue = false;
+		}
+	},
+	
+	stop: function(e) {
+		L.DomEvent.preventDefault(e);
+		L.DomEvent.stopPropagation(e);
+	},
+	
+	getMousePosition: function(e, container) {
+		var x = e.pageX ? e.pageX : e.clientX + 
+				document.body.scrollLeft + document.documentElement.scrollLeft,
+			y = e.pageY ? e.pageY : e.clientY + 
+					document.body.scrollTop + document.documentElement.scrollTop,
+			pos = new L.Point(x, y);
+			
+		return (container ? 
+					pos.subtract(L.DomUtil.getCumulativeOffset(container)) : pos);
+	},
+	
+	getWheelDelta: function(e) {
+		var delta = 0;
+		if (e.wheelDelta) { delta = e.wheelDelta/120; }
+			if (e.detail) { delta = -e.detail/3; }
+			return delta;
+	}
+};
+