Lavagna in Flash

[andr3a]

function Drawing(__path, __color) {
	// andr3a, scritta al volo il 28/01/2006
	// compatibile Flash 6, 7, 8 .. forse pure FlashLite 2.0
	function __init(__path, __s, __color) {
		var __listener = __initListener(__path, __s, __color);
		Mouse.addListener(__listener);
		__initMenu(__path, __listener);
	};
	function __initListener(__path, __s, __color) {
		var __listener = new Object();
		__listener.path = __path[__s];
		__listener.onMouseDown = function() {
			this.__draw = true;
			this.path.moveTo(__path._xmouse, __path._ymouse);
		};
		__listener.onMouseMove = function() {
			if(this.__draw) {
				with(this.path) {
					lineStyle(1, __color);
					lineTo(__path._xmouse, __path._ymouse);
				}
			}
		};
		__listener.onMouseUp = function() {
			this.__draw = false;
		};
		__listener.clearDrawed = function() {
			__path[__s].clear();
		};
		return __listener;
	};
	function __initMenu(__path, __listener) {
		if(ContextMenu) {
			var __cmenu = new ContextMenu();
			__cmenu.customItems.push(new ContextMenuItem("Clear", __listener.clearDrawed));
			__path.menu = __cmenu;
		};
	};
	function __depth(__path) {
		var __depth = 1000;
		if(__path.getNextHighestDepth)
			__depth = __path.getNextHighestDepth();
		return __depth;
	};
	var __s = '__drawing__' + Math.random() * 123456789 + '__';
	__path.createEmptyMovieClip(__s, __depth(__path));
	__init(__path, __s, __color);
}
Drawing(this, 0x00000);