consoleappender.js

Browser independent JavaScript SDK. ClassLoader to lazy load JavaScript classes, extensions to core

/*
 * JavaScript Software Development Kit - what JavaScript should be and can be - js-sdk.sourceforge.net
 * Copyright (C) 2006-2007 Mathew Sheets
 *
 * == BEGIN LICENSE ==
 *
 * Licensed under the terms of any of the following licenses at your
 * choice:
 *
 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
 *    http://www.gnu.org/licenses/lgpl.html
 *
 * == END LICENSE ==
 */

package jsx.logging;

import jsx.lang.StringBuffer;
import jsx.logging.DefaultAppender;
import jsx.logging.DefaultLayout;
import jsx.logging.Level;

import jsx.event.*;

import jsx.dom.Element;
import jsx.dom.behavior.draggable.Draggable;

class ConsoleAppender extends DefaultAppender mixin Draggable
{

	ConsoleAppender(_name)
	{
		if(!_name)
		{
			var _name = "Default";
		}
		super(_name);

		var me = this;
		this.name = _name;
		this.suffix = "logging_console";

		this.scrollIndex = 200;
		this.scrollIndexLocked = 0;

		this.container = document.createElement("div");
		this.container.id = this.name +"."+ this.suffix;

		var containerStyle = this.container.style;
		containerStyle.backgroundColor = "#b5c9c6";
		containerStyle.border = "1px solid #000000";

		containerStyle.position = "absolute";
		containerStyle.zIndex = ConsoleAppender.Z_INDEX++ + "";

		this.containerLeft = "10px";
		containerStyle.left = this.containerLeft;

		this.containerTop = "400px";
		containerStyle.top = this.containerTop;

		this.containerWidth = (screen.width-50)+"px";
		containerStyle.width = this.containerWidth;

//********************************************
// Controls
//********************************************
		var controls = document.createElement("div");
		var controlsStyle = controls.style;
		controlsStyle.width = "100%";
		controlsStyle.height = "20px";

//********************************************
// Appender Name
//********************************************
		var title = document.createElement("div");
		var titleStyle = title.style;
		titleStyle.display = "inline";
		titleStyle.color = "#000000";
		titleStyle.fontWeight = "bold";
		titleStyle.paddingLeft = "5px";
		titleStyle.paddingRight = "5px";
		title.appendChild(document.createTextNode(this.name + " Console Appender"));
//********************************************
//********************************************

//********************************************
// level filters
//********************************************
		var filters = document.createElement("div");
		var filtersStyle = filters.style;
		filtersStyle.display = "inline";
		filtersStyle.paddingLeft = "5px";
		filtersStyle.paddingRight = "5px";

		var filterTitle = document.createElement("span");
		filterTitleStyle = filterTitle.style;
		filterTitleStyle.color = "#000000";
		filterTitleStyle.fontWeight = "bold";
		filterTitle.appendChild(document.createTextNode("Filters:"));

		var trace = document.createElement("input");
		var debug = document.createElement("input");
		var info = document.createElement("input");
		var warn = document.createElement("input");
		var error = document.createElement("input");
		var fatal = document.createElement("input");
		trace.type = "checkbox";
		debug.type = "checkbox";
		info.type = "checkbox";
		warn.type = "checkbox";
		error.type = "checkbox";
		fatal.type = "checkbox";
		trace.id = this.container.id + ".trace_chk";
		debug.id = this.container.id + ".debug_chk";
		info.id = this.container.id + ".info_chk";
		warn.id = this.container.id + ".warn_chk";
		error.id = this.container.id + ".error_chk";
		fatal.id = this.container.id + ".fatal_chk";

		var traceSpan = document.createElement("span");
		var debugSpan = document.createElement("span");
		var infoSpan = document.createElement("span");
		var warnSpan = document.createElement("span");
		var errorSpan = document.createElement("span");
		var fatalSpan = document.createElement("span");

		var traceSpanStyle = traceSpan.style;
		var debugSpanStyle = debugSpan.style;
		var infoSpanStyle = infoSpan.style;
		var warnSpanStyle = warnSpan.style;
		var errorSpanStyle = errorSpan.style;
		var fatalSpanStyle = fatalSpan.style;

		traceSpanStyle.color = ConsoleAppender.TRACE_COLOR;
		debugSpanStyle.color = ConsoleAppender.DEBUG_COLOR;
		infoSpanStyle.color = ConsoleAppender.INFO_COLOR;
		warnSpanStyle.color = ConsoleAppender.WARN_COLOR;
		errorSpanStyle.color = ConsoleAppender.ERROR_COLOR;
		fatalSpanStyle.color = ConsoleAppender.FATAL_COLOR;

		traceSpanStyle.fontWeight = "bold";
		debugSpanStyle.fontWeight = "bold";
		infoSpanStyle.fontWeight = "bold";
		warnSpanStyle.fontWeight = "bold";
		errorSpanStyle.fontWeight = "bold";
		fatalSpanStyle.fontWeight = "bold";

		traceSpan.appendChild(document.createTextNode("trace "));
		debugSpan.appendChild(document.createTextNode("debug "));
		infoSpan.appendChild(document.createTextNode("info "));
		warnSpan.appendChild(document.createTextNode("warn "));
		errorSpan.appendChild(document.createTextNode("error "));
		fatalSpan.appendChild(document.createTextNode("fatal"));

		filters.appendChild(filterTitle);
		filters.appendChild(trace);
		filters.appendChild(traceSpan);
		filters.appendChild(debug);
		filters.appendChild(debugSpan);
		filters.appendChild(info);
		filters.appendChild(infoSpan);
		filters.appendChild(warn);
		filters.appendChild(warnSpan);
		filters.appendChild(error);
		filters.appendChild(errorSpan);
		filters.appendChild(fatal);
		filters.appendChild(fatalSpan);
//********************************************
//********************************************

//********************************************
// Display
//********************************************
		var display = document.createElement("div");
		var displayStyle = display.style;
		displayStyle.display = "inline";
		displayStyle.paddingLeft = "5px";
		displayStyle.paddingRight = "5px";

		var scrollLockChk = document.createElement("input");
		scrollLockChk.type = "checkbox";
		scrollLockChk.id = this.container.id + ".scroll_lock_chk";

		var scrollLockSpan = document.createElement("span");
		var scrollLockSpanStyle = scrollLockSpan.style;
		scrollLockSpanStyle.color = "#000000";
		scrollLockSpanStyle.fontWeight = "bold";
		scrollLockSpan.appendChild(document.createTextNode("Scroll Lock "));

		var clearLogsBtn = document.createElement("input");
		clearLogsBtn.type = "button";
		clearLogsBtn.id = this.container.id + ".clear_btn";
		clearLogsBtn.value = "Clear";

		var minBtn = document.createElement("input");
		var maxBtn = document.createElement("input");
		maxBtn.style.display = "none";
		var closeBtn = document.createElement("input");

		minBtn.type = "button";
		maxBtn.type = "button";
		closeBtn.type = "button";

		minBtn.id = this.container.id + ".min_btn";
		maxBtn.id = this.container.id + ".max_btn";
		closeBtn.id = this.container.id + ".close_btn";

		minBtn.value = "_";
		maxBtn.value = "+";
		closeBtn.value = "X";

		display.appendChild(scrollLockChk);
		display.appendChild(scrollLockSpan);
		display.appendChild(clearLogsBtn);
		display.appendChild(minBtn);
		display.appendChild(maxBtn);
		display.appendChild(closeBtn);
//********************************************
//********************************************
		// add all containers
		controls.appendChild(title);
		controls.appendChild(filters);
		controls.appendChild(display);
		this.container.appendChild(controls);


//********************************************
// iframe console
//********************************************
		var consoleContainer = document.createElement("iframe");
		consoleContainer.id = this.container.id + ".iframe_console";
		consoleContainer.name = consoleContainer.id;
		consoleContainer.frameBorder = "0";
		consoleContainer.scrolling = "auto";

		this.consoleWidth = "99%";
		consoleContainer.width = this.consoleWidth;

		this.consoleHeight = "100%";
		consoleContainer.height = this.consoleHeight;

		this.container.appendChild(consoleContainer);
		document.getElementsByTagName("body")[0].appendChild(this.container);

		// IE hack, for some reason you need to try to reference the element so it is
		// recognized in the dom
		if(!frames[consoleContainer.name].document)
		{
			try{document.getElementById(consoleContainer.id)}catch(_exception){}
		}

		this.loggingConsole = frames[consoleContainer.name];
		var consoleDoc = this.loggingConsole.document;
		consoleDoc.open();
		consoleDoc.write("<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'>\n");
		consoleDoc.write("<html><head><title>JavaScript SDK Logging</title></head><body></body></html>");
		consoleDoc.close();
		consoleDoc.body.style.backgroundColor = "#ffffff";
//********************************************
//********************************************

		// these statements need to be below appending to the body
		trace.checked = "checked";
		debug.checked = "checked";
		info.checked = "checked";
		warn.checked = "checked";
		error.checked = "checked";
		fatal.checked = "checked";

//********************************************
// Events after the appending to the body
//********************************************
		new EventDispatcher(controls, "onmouseover", true).addListener(function(_eventMouseOver)
		{
			var _eventMouseOver = new Event(_eventMouseOver || $GLOBAL_OBJECT.event);
			_eventMouseOver.getObject().style.cursor = "move";
		});