upgrade

main/inc/lib/javascript/svgedit/touch.js

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+// http://ross.posterous.com/2008/08/19/iphone-touch-events-in-javascript/
+function touchHandler(event) {'use strict';
+
+	var simulatedEvent,
+		touches = event.changedTouches,
+		first = touches[0],
+		type = "";
+	switch (event.type) {
+		case "touchstart": type = "mousedown"; break;
+		case "touchmove":  type = "mousemove"; break;
+		case "touchend":   type = "mouseup"; break;
+		default: return;
+	}
+
+	// initMouseEvent(type, canBubble, cancelable, view, clickCount, 
+	//	screenX, screenY, clientX, clientY, ctrlKey, 
+	//	altKey, shiftKey, metaKey, button, relatedTarget);
+
+	simulatedEvent = document.createEvent("MouseEvent");
+	simulatedEvent.initMouseEvent(type, true, true, window, 1,
+								first.screenX, first.screenY,
+								first.clientX, first.clientY, false,
+								false, false, false, 0/*left*/, null);
+	if (touches.length < 2) {
+		first.target.dispatchEvent(simulatedEvent);
+		event.preventDefault();
+	}
+}
+
+document.addEventListener('touchstart', touchHandler, true);
+document.addEventListener('touchmove', touchHandler, true);
+document.addEventListener('touchend', touchHandler, true);
+document.addEventListener('touchcancel', touchHandler, true);