HackFlowy/public/js/libs/myLogic/removeNode.js

 var removeNode = function(vo, broadcast) {
 	// debugger; 
	upDateParentModelViews(vo, broadcast);
	//#TODO => This won't work for transcluded nodes with the same parent...
	if( hasDuplicates(vo.thisModel.get("parents"))){ //later. 

	}
	else{
		var newParents = _.filter(vo.thisModel.get("parents"), function(parId){
			return parId != vo.parentId;
		});
		vo.thisModel.set("parents", newParents);
		if(!broadcast){ //broadCast=true means we received this update from somebody else. 
			socket.emitWrapper("removeNode", [vo.thisId, vo.thisIndex, vo.parentId, CurrentUser]);
		}
	}

}

var upDateParentModelViews = function(vo, broadcast){
	var children = vo.parentModel.get("children");
	children.remove(vo.thisIndex);
	vo.parentModel.set("children", children);
	


	if(!broadcast){ //broadCast=true means we received this update from somebody else.
		//UI STUFF
		// console.log("what");
		if( vo.thisLI.isFirstViz() ){
			if(vo.thisLI.attr('data-depth')!=0){
				var len = vo.thisLI.parent().parent().children().children("textarea").val().length;
				vo.thisLI.parent().parent().children().children("textarea").focus();
				vo.thisLI.parent().parent().children().children("textarea").setSelection(len, len);
			}
			else{
				vo.thisLI.next().children().children('textarea').focus();
			}
		}else{
			if(!vo.cursorHack){
				var len = vo.thisLI.prev().children().children("textarea").val().length;
				vo.thisLI.prev().children().children("textarea").focus();
				vo.thisLI.prev().children().children("textarea").setSelection(len, len);
			}
			else{
				vo.thisLI.next().children().children('textarea').focus();
			}
		}
	}


	_.each(vo.parentModel.get("views"), function(parentView){
		parentView.removeNode(vo.thisIndex);
	}); 

	INPUT_PROCESSED=true; 
}