/*

 * Enano - an open source wiki-like CMS

 * Copyright (C) 2006-2007 Dan Fuhry

 * Javascript client library

 *

 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied

 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.

 *

 * For more information about Enano, please visit http://enanocms.org/.

 * Unless otherwise noted, all of the code in these script files may be used freely so long as the above license block

 * is displayed and your modified code is distributed in compliance with the GPL. See the special page "About Enano" on

 * this website for more information.

 */

if ( typeof(title) != 'string')

{

	alert('There was a problem loading the PHP-generated Javascript variables that control parameters for AJAX applets. Most on-page functionality will be very badly broken.\n\nTheme developers, ensure that you are using {JS_DYNAMIC_VARS} *before* you include jsres.php.');

}

// placeholder for window.console - used if firebug isn't present

// http://getfirebug.com/firebug/firebugx.js

console.info('Enano::JS runtime: starting system init');

if ( typeof(ENANO_JSRES_COMPRESSED) == undefined )

{

	var ENANO_JSRES_COMPRESSED = false;

}

// Run-time variables

var detect = navigator.userAgent.toLowerCase();

var IE;

// Detect whether the user is running the Evil One or not...

function checkIt(string) {

	place = detect.indexOf(string) + 1;

	thestring = string;

	return place ? true : false;

}

var IE = checkIt('msie');

var IE_8 = checkIt('msie 8.');

var is_Opera = checkIt('opera');

var is_iPhone = checkIt('iphone') || checkIt('ipod');

var is_iPhone_3 = checkIt('iphone') && Number(navigator.userAgent.replace(/^.*iPhone OS ([0-9]+)_([0-9]+) .*$/, '$1.$2')) >= 3.0;

var is_Webkit = checkIt('applewebkit');

var is_Gecko = checkIt('gecko');

var is_firefox2 = checkIt('firefox/2.');

var is_Safari = checkIt('safari') ? true : false;

var KILL_SWITCH = false;

var editor_formats = {};

if ( IE )

{

	var version = window.navigator.appVersion;

	version = version.substr( ( version.indexOf('MSIE') + 5 ) );

	var rawversion = '';

	for ( var i = 0; i < version.length; i++ )

	{

		var chr = version.substr(i, 1);

		if ( !chr.match(/[0-9\.]/) )

		{

			break;

		}

		rawversion += chr;

	}

	rawversion = parseInt(rawversion);

	if ( rawversion < 6 )

	{

		KILL_SWITCH = true;

	}

}

var cmt_open;

var editor_open = false;

var list;

var edit_open = false;

var catlist = new Array();

var arrDiff1Buttons = new Array();

var arrDiff2Buttons = new Array();

var arrTimeIdList   = new Array();

var list;

var unObj;

var unSelectMenuOn = false;

var unObjDivCurrentId = false;

var unObjCurrentSelection = false;

var userlist = new Array();

var submitAuthorized = true;

var timelist = [];

var rDnsObj;

var rDnsBannerObj;

var ns4 = document.layers;

var op5 = (navigator.userAgent.indexOf("Opera 5")!=-1) ||(navigator.userAgent.indexOf("Opera/5")!=-1);

var op6 = (navigator.userAgent.indexOf("Opera 6")!=-1) ||(navigator.userAgent.indexOf("Opera/6")!=-1);

var agt=navigator.userAgent.toLowerCase();

var mac = (agt.indexOf("mac")!=-1);

var ie = (agt.indexOf("msie") != -1);

var mac_ie = mac && ie;

var mouseX = 0;

var mouseY = 0;

var menuheight;

var inertiabase = 1;

var inertiainc = 1;

var slideintervalinc = 20;

var inertiabaseoriginal = inertiabase;

var heightnow;

var targetheight;

var block;

var slideinterval;

var divheights = new Array();

var __menutimeout = false;

var startmouseX = false;

var startmouseY = false;

var startScroll = false;

var is_dragging = false;

var current_ta  = false;

var startwidth  = false;

var startheight = false;

var do_width    = false;

var ajax_load_icon = cdnPath + '/images/loading.gif';

var editor_use_modal_window = false;

// You have an NSIS coder in your midst...

var MB_OK = 1;

var MB_OKCANCEL = 2;

var MB_YESNO = 4;

var MB_YESNOCANCEL = 8;

var MB_ABORTRETRYIGNORE = 16;

var MB_ICONINFORMATION = 32;

var MB_ICONEXCLAMATION = 64;

var MB_ICONSTOP = 128;

var MB_ICONQUESTION = 256;

var MB_ICONLOCK = 512;

// Can be set to true by slow themes (St. Patty)

if ( typeof(pref_disable_js_fx) != 'boolean' )

{

	var pref_disable_js_fx = false;

}

var aclDisableTransitionFX = ( is_firefox2 || pref_disable_js_fx ) ? true : false;

// Syntax:

// messagebox(MB_OK|MB_ICONINFORMATION, 'Title', 'Text');

// :-D

var $_REQUEST = new Object();

if ( window.location.hash )

{

	var hash = String(window.location.hash);

	hash = hash.substr(1);

	var reqobj = hash.split(';');

	var a, b;

	for ( var i = 0; i < reqobj.length; i++ )

	{

		a = reqobj[i].substr(0, reqobj[i].indexOf(':'));

		b = reqobj[i].substr( ( reqobj[i].indexOf(':') + 1 ) );

		$_REQUEST[a] = b;

	}

}

if ( !onload_hooks )

	var onload_hooks = new Array();

function addOnloadHook(func)

{

	if ( typeof ( func ) == 'function' )

	{

		if ( typeof(onload_hooks.push) == 'function' )

		{

			onload_hooks.push(func);

		}

		else

		{

			onload_hooks[onload_hooks.length] = func;

		}

	}

}

function runOnloadHooks(e)

{

	var _errorTrapper = 0;

	for ( var _oLc = 0; _oLc < onload_hooks.length; _oLc++ )

	{

		_errorTrapper++;

		if ( _errorTrapper >= 1000 )

			break;

		var _f = onload_hooks[_oLc];

		if ( typeof(_f) == 'function' )

		{

			_f(e);

		}

	}

	onload_hooks = [];

}

var enano_hooks = {};

function setHook(hook_name)

{

	if ( enano_hooks[hook_name] )

	{

		return enano_hooks[hook_name];

	}

	return 'void(0);';

}

function attachHook(hook_name, code)

{

	if ( !enano_hooks[hook_name] )

		enano_hooks[hook_name] = '';

	enano_hooks[hook_name] += code;

}

var loaded_components = loaded_components || {};

var _load_component_running = false;

function load_component(file)

{

	var multiple = false;

	if ( typeof(file) == 'object' )

	{

		if ( ENANO_JSRES_COMPRESSED )

		{

			multiple = true;

			for ( var i = 0; i < file.length; i++ )

			{

				file[i] = (file[i].replace(/\.js$/, '')) + '.js';

				if ( loaded_components[file[i]] )

				{

					file[i] = false;

				}

			}

			var file2 = [];

			for ( var i = 0; i < file.length; i++ )

			{

				if ( file[i] )

					file2.push(file[i]);

			}

			file = file2;

			delete(file2);

			if ( file.length < 1 )

			{

				return true;

			}

			var file_flat = implode(',', file);

		}

		else

		{

			for ( var i = 0; i < file.length; i++ )

			{

				load_component(file[i]);

			}

			return true;

		}

	}

	_load_component_running = true;

	if ( !multiple )

	{

		file = file.replace(/\.js$/, '');

		if ( loaded_components[file + '.js'] )

		{

			// already loaded

			return true;

		}

	}

	console.info('Loading component %s via AJAX', ( multiple ? file_flat : file ));

	load_show_win(( multiple ? file_flat : file ));

	// get an XHR instance

	var ajax = ajaxMakeXHR();

	if ( !multiple )

		file = file + '.js';

	var uri = ( ENANO_JSRES_COMPRESSED ) ? scriptPath + '/includes/clientside/jsres.php?f=' + (multiple ? file_flat : file ) + '&' + enano_version : scriptPath + '/includes/clientside/static/' + file + '?' + enano_version;

	try

	{

		ajax.open('GET', uri, false);

		ajax.onreadystatechange = function()

		{

			if ( this.readyState == 4 && this.status != 200 )

			{

				alert('There was a problem loading a script from the server. Please check your network connection.');

				load_hide_win();

				throw('load_component(): XHR for component ' + file + ' failed');

			}

		}

		ajax.send(null);

		// async request, so if status != 200 at this point then we're screwed

		if ( ajax.readyState == 4 && ajax.status == 200 )

		{

			if ( onload_complete )

				onload_hooks = [];

			eval_global(ajax.responseText);

			if ( window.jQuery && aclDisableTransitionFX )

				if ( window.jQuery.fx )

					window.jQuery.fx.off = true;

			load_hide_win();

			if ( onload_complete )

				runOnloadHooks();

		}

	}

	catch(e)

	{

		alert('There was a problem loading a script from the server. Please check your network connection.');

		load_hide_win();

		console.info("Component loader exception is shown below.");

		console.debug(e);

		console.trace();

		throw('load_component(): XHR for component ' + file + ' failed');

	}

	if ( !multiple )

	{

		loaded_components[file] = true;

	}

	_load_component_running = false;

	return true;

}

function load_show_win(file)

{

	var img = '<img style="margin-right: 5px" src="' + cdnPath + '/images/loading.gif" />';

	if ( document.getElementById('_js_load_component') )

	{

		document.getElementById('_js_load_component').innerHTML = img + msg_loading_component.replace('%component%', file);

		return;

	}

	file = file.replace(/\.js$/, '').replace(/\.js,/g, ', ');

	var ld = document.createElement('div');

	ld.style.padding = '10px';

	ld.style.height = '12px';

	ld.style.position = 'fixed';

	ld.style.right = '5px';

	ld.style.bottom = '0px';

	ld.innerHTML = img + msg_loading_component.replace('%component%', file);

	ld.id = '_js_load_component';

	// FYI: The base64 encoded image is a 70% opacity 1x1px white PNG.

	ld.style.backgroundImage = 'url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAAlwSFlzAAALEwAACxMBAJqcGAAAAA1JREFUCNdj+P///xkACcgDypG+nnEAAAAASUVORK5CYII=)';

	document.body.appendChild(ld);

	document.body.style.cursor = 'wait';

}

function load_hide_win()

{

	var ld = document.getElementById('_js_load_component');

	if ( !ld )

		return false;

	ld.parentNode.removeChild(ld);

	document.body.style.cursor = 'default';

}

// evaluate a snippet of code in the global context, used for dynamic component loading

// from: http://dean.edwards.name/weblog/2006/11/sandbox/

function eval_global(_jsString)

{

	if (typeof _jsString != "string")

	{

		return false;

	}

	// Check whether window.eval executes code in the global scope.

	window.eval("var __INCLUDE_TEST_1__ = true;");

	if (typeof window.__INCLUDE_TEST_1__ != "undefined")

	{

		delete window.__INCLUDE_TEST_1__;

		window.eval(_jsString);

	}

	else if (typeof window.execScript != "undefined")	// IE only

	{

		window.execScript(_jsString);

	}

	else

	{

		// Test effectiveness of creating a new SCRIPT element and adding it to the document.

		this._insertScriptTag = function (_jsCode) {

			var _script = document.createElement("script");

			_script.type = "text/javascript";

			_script.defer = false;

			_script.text = _jsCode;

			var _headNodeSet = document.getElementsByTagName("head");

			if (_headNodeSet.length)

			{

				_script = _headNodeSet.item(0).appendChild(_script);

			}

			else

			{

				var _head = document.createElement("head");

				_head = document.documentElement.appendChild(_head);

				_script = _head.appendChild(_script);

			}

			return _script;

		}

		var _testScript = this._insertScriptTag("var __INCLUDE_TEST_2__ = true;");

		if (typeof window.__INCLUDE_TEST_2__ == "boolean")

		{

			_testScript.parentNode.removeChild(_testScript);

			this._insertScriptTag(_jsString);

		}

		else

		{

			// Check whether window.setTimeout works in real time.

			window.setTimeout("var __INCLUDE_TEST_3__ = true;", 0);

			if (typeof window.__INCLUDE_TEST_3__ != "undefined")

			{

				delete window.__INCLUDE_TEST_3__;

				window.setTimeout(_jsString, 0);

			}

		}

	}

	return true;

}

var autofill_check = function()

{

	var inputs = document.getElementsByTagName('input');

	for ( var i = 0; i < inputs.length; i++ )

	{

		if ( inputs[i].className )

		{

			if ( inputs[i].className.match(/^autofill/) )

			{

				load_component('autofill');

				return;

			}

		}

	}

}

addOnloadHook(autofill_check);

var head = document.getElementsByTagName('head')[0];

// safari has window.console but not the .debug() method

if ( is_Safari && !window.console.debug )

{

	window.console.debug = function() {};

}

// Do not remove the following comments, they are used by jsres.php.

/*!START_INCLUDER*/

// Start loading files

// The string from the [ to the ] needs to be valid JSON, it's parsed by jsres.php.

var thefiles = [

	'dynano.js',

	'functions.js',

	'dropdown.js',

	'json.js',

	'sliders.js',

	'preformat.js',

	'loader.js'

];

for(var f in thefiles)

{

	if ( typeof(thefiles[f]) != 'string' )

		continue;

	var script = document.createElement('script');

	script.type="text/javascript";

	if ( thefiles[f] == 'json.js' && KILL_SWITCH )

	{

		// alert('kill switch and problem script');

		continue;

	}

	script.src=cdnPath+"/includes/clientside/static/"+thefiles[f];

	head.appendChild(script);

}

// Do not remove the following comment, it is used by jsres.php.

/*!END_INCLUDER*/

addOnloadHook(function() {