/*

 * 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

if (!window.console || !console.firebug)

{

    var names = ["log", "debug", "info", "warn", "error", "assert", "dir", "dirxml",

    "group", "groupEnd", "time", "timeEnd", "count", "trace", "profile", "profileEnd"];

    window.console = {};

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

        window.console[names[i]] = function() {}

}

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;

var is_Safari;

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

function checkIt(string) {

  place = detect.indexOf(string) + 1;

  thestring = string;

  return place;

}

if (checkIt('msie')) IE = true;

else IE = false;

var is_Opera = ( checkIt('opera') ) ? true : false;

var is_iPhone = ( checkIt('iphone') || checkIt('ipod') ) ? true : false;

var is_firefox2 = ( checkIt('firefox/2.') ) ? true : false;

var KILL_SWITCH = false;

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 tinymce_initted = false;

if ( typeof(DISABLE_MCE) == undefined )

{

  var DISABLE_MCE = false;

}

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

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);

    }

  }

}

var loaded_components = {};

var _load_component_running = false;

function load_component(file)

{

  _load_component_running = true;

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

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

  {

    // already loaded

    return true;

  }

  console.info('Loading component %s via AJAX', file);

  load_show_win(file);

  // get an XHR instance

  var ajax = ajaxMakeXHR();

  file = file + '.js';

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

  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 = new Array();

      eval_global(ajax.responseText);

      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);

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

  }

  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$/, '');

  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',

  'tinymce-init.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() {

  if ( $_REQUEST['do'] )

  {

    var act = $_REQUEST['do'];

    switch(act)

    {

      case 'comments':

        ajaxComments();

        break;

      case 'edit':

        ajaxEditor();

        break;

      case 'login':

        ajaxStartLogin();

        break;

      case 'history':

        ajaxHistory();

        break;

      case 'catedit':

        ajaxCatEdit();

        break;

      case 'rename':

        ajaxRename();

        break;

      case 'aclmanager':

        ajaxOpenACLManager();

        break;

    }

  }

});

function Placeholder(funcname, filename)

{

  this.filename = filename;

  this.funcname = funcname;

  this.go = function()

  {

    window[funcname] = null;

    load_component(filename);

    var arglist = [];

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

    {

      arglist[arglist.length] = 'arguments['+i+']';

    }

    arglist = implode(', ', arglist);

    return eval(funcname + '(' + arglist + ');');

  }

}

// list of public functions that need placeholders that fetch the component

var placeholder_list = {

  ajaxReset: 'ajax.js',

  ajaxComments: 'comments.js',

  ajaxEditor: 'editor.js',

  ajaxHistory: 'ajax.js',

  ajaxRename: 'ajax.js',

  ajaxDelVote: 'ajax.js',

  ajaxProtect: 'ajax.js',

  ajaxClearLogs: 'ajax.js',

  ajaxResetDelVotes: 'ajax.js',

  ajaxDeletePage: 'ajax.js',

  ajaxSetPassword: 'ajax.js',

  ajaxChangeStyle: 'ajax.js',