/* * Copyright 2006 Mat Gessel * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ /** * Debugging utilities */ /** * Array */ Array.prototype.toString = function() { return "Array[" + this.length + "]"; } /** * Debug */ Debug.s_enabled = false; Debug.s_window = null; Debug.s_pendingWrite = ""; if (Debug.s_enabled) { window.onerror = function(message, url, line) { Debug.writeln("Error (" + url + ":" + line + ") \n" + message); }; } function Debug() {} Debug.write = function(string) { if (Debug.s_enabled) { Debug.s_pendingWrite += string; if (! DebugWindow.s_initializing) { DebugWindow.getInstance().write(string); Debug.s_pendingWrite = ""; } } }; Debug.writeln = function(string) { if (Debug.s_enabled) { if (string != null) { Debug.write(string); } Debug.write("\n"); } }; Debug.prettyPrint = function(object) { if (Debug.s_enabled) { Debug.writeln(object); if (object.constructor == Array) { for (var i = 0; i < object.length; i++) { Debug.writeln(" [" + i + "]" + object[i]); } } else { for (member in object) { Debug.writeln(" +" + member + "=" + object[member]); } } } }; /** * DebugWindow */ DebugWindow.s_instance = null; DebugWindow.s_initializing = false; function DebugWindow() { DebugWindow.s_initializing = true; var WIDTH = 640; var HEIGHT = 480; var url = ""; var name = "debug"; var features = "width=" + WIDTH + ", height=" + HEIGHT + ",menubar=no,status=no,toolbar=no,resizable=yes,scrollbars=yes"; var replace = false; this.m_document = null; this.m_window = window.open(url, name, features, replace); if (this.m_window != null) { // popup not blocked var x = screen.width / 2 - WIDTH / 2; var y = screen.height / 2 - HEIGHT / 2; this.m_window.moveTo(x, y); this.newDocument(); } DebugWindow.s_initializing = false; } DebugWindow.getInstance = function() { if (DebugWindow.s_instance == null || DebugWindow.s_instance.isClosed()) { DebugWindow.s_instance = new DebugWindow(); } return DebugWindow.s_instance; }; DebugWindow.prototype.newDocument = function() { var header = "\n\ Debugging Window\n\ \n\ \n\

Debug Output

\n\
\n\
\n\ \n\
\n\ 

\n"
	this.m_document = this.m_window.document;
	this.m_document.open("text/html");
	this.m_document.write(header);
};

DebugWindow.close = function()
{
	this.m_window.close();
	this.m_window = null;
	this.m_document = null;
}

DebugWindow.prototype.isClosed = function(string)
{
	return (this.m_window != null) ? this.m_window.closed : true;
};

DebugWindow.prototype.write = function(string)
{
	if (this.m_window != null)
	{
		this.m_document.write(string);
		this.m_window.scrollBy(0, 25);
	}
};

DebugWindow.prototype.writeln = function(string)
{
	if (this.m_window != null)
	{
		this.m_document.writeln((string != null) ? string : "");
		this.m_window.scrollBy(0, 25);
	}
};