var eventHandler = function(event) { if (this.eventPropagationEnabled) { this.safeUpdate(); } else { event.preventDefault(); event.stopPropagation(); } }; this.addEventListener('DOMAttrModified', eventHandler, true); //this.addEventListener('DOMCharacterDataModified', eventHandler, true); //this.addEventListener('DOMNodeInserted', eventHandler, true); //this.addEventListener('DOMNodeRemoved', eventHandler, true); this.safeUpdate(); var dragHandler = function (event) { event.preventDefault(); event.stopPropagation(); } //this.addEventListener('draggesture', dragHandler, true); this.addEventListener('dragover', dragHandler, true); this.addEventListener('dragenter', dragHandler, true); this.addEventListener('dragexit', dragHandler, true); this.addEventListener('dragdrop', dragHandler, true); this.addEventListener('drop', dragHandler, true); true