includes/clientside/static/editor.js
author Dan
Wed, 26 Mar 2008 02:56:23 -0400
changeset 509 175df10e0b56
parent 504 bc8e0e9ee01d
child 541 acb7e23b6ffa
permissions -rw-r--r--
Added a copy of Firebug Lite for debugging purposes. License is uncertain but being treated as MPL. (If is is not MPL then it is under something more permissive that permits relicensing anyway)

// Javascript routines for the page editor

if ( document.getElementById('mdgCss') )
{
  var css_url = document.getElementById('mdgCss').href;
}
else
{
  var css_url = scriptPath + '/includes/clientside/css/enano_shared.css';
}

var do_popups = ( is_Safari ) ? '' : ',inlinepopups';
var _skin = ( typeof(tinymce_skin) == 'string' ) ? tinymce_skin : 'default';
var editor_img_path = scriptPath + '/images/editor';

// Idle time required for autosave, in seconds
var AUTOSAVE_TIMEOUT = 15;
var AutosaveTimeoutObj = null;
var tinymce_initted = false;

var enano_tinymce_options = {
  mode : "none",
  plugins : 'table,save,safari,pagebreak,style,layer,advhr,insertdatetime,searchreplace,print,contextmenu,paste,directionality,fullscreen,noneditable,visualchars,nonbreaking,xhtmlxtras' + do_popups,
  theme : 'advanced',
  skin : _skin,
  theme_advanced_resize_horizontal : false,
  theme_advanced_resizing : true,
  theme_advanced_toolbar_location : "top",
  theme_advanced_toolbar_align : "left",
  theme_advanced_buttons1 : "save,|,bold,italic,underline,strikethrough,|,justifyleft,justifycenter,justifyright,justifyfull,|,forecolor,backcolor,|,formatselect,|,fontselect,fontsizeselect",
  theme_advanced_buttons3_add_before : "tablecontrols,separator",
  theme_advanced_buttons3_add_after : "|,fullscreen",
  theme_advanced_statusbar_location : 'bottom',
  noneditable_noneditable_class : 'mce_readonly',
  content_css : css_url
};

// Check tinyMCE to make sure its init is finished
function tinymce_preinit_check()
{
  if ( typeof(tinyMCE.init) != 'function' )
    return false;
  if ( typeof(tinymce.DOM) != 'object' )
    return false;
  if ( typeof(tinymce.DOM.get) != 'function' )
    return false;
  return true;
}

var initTinyMCE = function(e)
{
  if ( typeof(tinyMCE) == 'object' )
  {
    if ( !KILL_SWITCH && !DISABLE_MCE )
    {
      if ( !tinymce_preinit_check() && !force )
      {
        setTimeout('initTinyMCE(false);', 200);
        return false;
      }
      tinyMCE.init(enano_tinymce_options);
      tinymce_initted = true;
    }
  }
}
// Safari doesn't fire the init on demand so call it on page load
if ( is_Safari )
{
  addOnloadHook(initTinyMCE);
}

var editor_open = false;

function ajaxEditor(revid)
{
  if ( KILL_SWITCH )
    return true;
  if ( editor_open )
    return true;
  var rev_id_uri = ( revid ) ? '&revid=' + revid : '';
  selectButtonMinor('edit');
  selectButtonMajor('article');
  setAjaxLoading();
  ajaxGet(stdAjaxPrefix + '&_mode=getsource' + rev_id_uri, function()
    {
      if ( ajax.readyState == 4 && ajax.status == 200 )
      {
        unsetAjaxLoading();
        
        var response = String(ajax.responseText + '');
        if ( response.substr(0, 1) != '{' )
        {
          handle_invalid_json(response);
          return false;
        }
        
        response = parseJSON(response);
        if ( response.mode == 'error' )
        {
          unselectAllButtonsMinor();
          new messagebox(MB_OK | MB_ICONSTOP, $lang.get('editor_err_server'), response.error);
          return false;
        }
        
        if ( !response.auth_view_source )
        {
          unselectAllButtonsMinor();
          new messagebox(MB_OK | MB_ICONSTOP, $lang.get('editor_err_access_denied_title'), $lang.get('editor_err_access_denied_body'));
          return false;
        }
        
        // do we need to enter a captcha before saving the page?
        var captcha_hash = ( response.require_captcha ) ? response.captcha_id : false;
        
        ajaxBuildEditor((!response.auth_edit), response.time, response.allow_wysiwyg, captcha_hash, response.revid, response.undo_info, response);
      }
    });
}

function ajaxBuildEditor(readonly, timestamp, allow_wysiwyg, captcha_hash, revid, undo_info, response)
{
  // Set flags
  // We don't want the fancy confirmation framework to trigger if the user is only viewing the page source
  if ( !readonly )
  {
    editor_open = true;
    disableUnload();
  }
  
  // Destroy existing contents of page container
  if ( editor_use_modal_window )
  {
    darken(true);
    // Build a div with 80% width, centered, and 10px from the top of the window
    var edcon = document.createElement('div');
    edcon.style.position = 'absolute';
    edcon.style.backgroundColor = '#FFFFFF';
    edcon.style.padding = '10px';
    edcon.style.width = '80%';
    edcon.id = 'ajaxEditContainerModal';
    
    // Positioning
    var top = getScrollOffset() + 10;
    var left = ( getWidth() / 10 ) - 10; // 10% of window width on either side - 10px for padding = perfect centering effect
    edcon.style.top = String(top) + 'px';
    edcon.style.left = String(left) + 'px';
    var body = document.getElementsByTagName('body')[0];
    
    // Set opacity to 0
    domObjChangeOpac(0, edcon);
    body.appendChild(edcon);
  }
  else
  {
    var edcon = document.getElementById('ajaxEditContainer');
    for ( var i = edcon.childNodes.length - 1; i >= 0; i-- )
    {
      edcon.removeChild(edcon.childNodes[i]);
    }
  }
  
  var content = response.src;
  
  //
  // BUILD EDITOR
  //
  
  var heading = document.createElement('h3');
  heading.style.cssFloat = 'left';
  heading.style.styleFloat = 'left';
  heading.style.marginTop = '0px';
  heading.style.marginBottom = '0px';
  heading.appendChild(document.createTextNode($lang.get('editor_msg_editor_heading')));
  
  // Plaintext/wikitext toggler
  // Only build the editor if using TinyMCE is allowed. THIS IS WEAK
  // AND CANNOT BE MADE ANY STRONGER.
  
  if ( allow_wysiwyg )
  {
    var toggler = document.createElement('p');
    toggler.style.marginLeft = '0';
    toggler.style.textAlign = 'right';
    
    var span_wiki = document.createElement('span');
    var span_mce  = document.createElement('span');
    span_wiki.id  = 'enano_edit_btn_pt';
    span_mce.id   = 'enano_edit_btn_mce';
    if ( readCookie('enano_editor_mode') == 'tinymce' )
    {
      // Current selection is TinyMCE - make span_wiki have the link and span_mce be plaintext
      var a = document.createElement('a');
      a.href = '#';
      a.appendChild(document.createTextNode($lang.get('editor_btn_wikitext')));
      span_wiki.appendChild(a);
      toggler.appendChild(span_wiki);
      toggler.appendChild(document.createTextNode(' | '));
      span_mce.appendChild(document.createTextNode($lang.get('editor_btn_graphical')));
      toggler.appendChild(span_mce);
    }
    else
    {
      // Current selection is wikitext - set span_wiki to plaintext and span_mce to link
      span_wiki.appendChild(document.createTextNode($lang.get('editor_btn_wikitext')));
      toggler.appendChild(span_wiki);
      toggler.appendChild(document.createTextNode(' | '));
      var a = document.createElement('a');
      a.href = '#';
      a.appendChild(document.createTextNode($lang.get('editor_btn_graphical')));
      span_mce.appendChild(a);
      toggler.appendChild(span_mce);
    }
  }
  
  // Form (to allow submits from MCE to trigger a real save)
  var form = document.createElement('form');
  form.action = 'javascript:void(0);';
  form.onsubmit = function()
  {
    ajaxEditorSave();
    return false;
  }
  
  // Draft notice
  if ( response.have_draft )
  {
    var dn = document.createElement('div');
    dn.className = 'warning-box';
    dn.id = 'ajax_edit_draft_notice';
    dn.innerHTML = '<b>' + $lang.get('editor_msg_have_draft_title') + '</b><br />';
    dn.innerHTML += $lang.get('editor_msg_have_draft_body', { author: response.draft_author, time: response.draft_time });
  }
  
  // Old-revision notice
  if ( revid > 0 )
  {
    var oldrev_box = document.createElement('div');
    oldrev_box.className = 'usermessage';
    oldrev_box.appendChild(document.createTextNode($lang.get('editor_msg_editing_old_revision')));
  }
  
  // Preview holder
  var preview_anchor = document.createElement('a');
  preview_anchor.name = 'ajax_preview';
  preview_anchor.id = 'ajax_preview';
  var preview_container = document.createElement('div');
  preview_container.id = 'enano_editor_preview';
  preview_container.style.clear = 'left';
  
  // Textarea containing the content
  var ta_wrapper = document.createElement('div');
  ta_wrapper.style.margin = '10px 0';
  // ta_wrapper.style.clear = 'both';
  var textarea = document.createElement('textarea');
  ta_wrapper.appendChild(textarea);
  
  textarea.id = 'ajaxEditArea';
  textarea.rows = '20';
  textarea.cols = '60';
  textarea.style.width = '98.7%';
  
  // Revision metadata controls
  var tblholder = document.createElement('div');
  tblholder.className = 'tblholder';
  var metatable = document.createElement('table');
  metatable.setAttribute('border', '0');
  metatable.setAttribute('cellspacing', '1');
  metatable.setAttribute('cellpadding', '4');
  
  if ( readonly )
  {
    // Close Viewer button
    var toolbar = '';
    var head = new templateParser(response.toolbar_templates.toolbar_start);
    var button = new templateParser(response.toolbar_templates.toolbar_button);
    var tail = new templateParser(response.toolbar_templates.toolbar_end);
    
    toolbar += head.run();
    
    button.assign_bool({
        show_title: true
      });
    
    // Button: close
    button.assign_vars({
        TITLE: $lang.get('editor_btn_closeviewer'),
        IMAGE: editor_img_path + '/discard.gif',
        FLAGS: 'href="#" onclick="ajaxReset(true); return false;"'
      });
    toolbar += button.run();
    toolbar += tail.run();
  }
  else
  {
    // First row: edit summary
    var tr1 = document.createElement('tr');
    var td1_1 = document.createElement('td');
    var td1_2 = document.createElement('td');
    td1_1.className = 'row2';
    td1_2.className = 'row1';
    td1_2.style.width = '70%';
    td1_1.appendChild(document.createTextNode($lang.get('editor_lbl_edit_summary')));
    td1_1.appendChild(document.createElement('br'));
    var small = document.createElement('small');
    small.appendChild(document.createTextNode($lang.get('editor_lbl_edit_summary_explain')));
    td1_1.appendChild(small);
    
    var field_es = document.createElement('input');
    field_es.id = 'enano_editor_field_summary';
    field_es.type = 'text';
    field_es.size = '40';
    field_es.style.width = '96%';
    
    if ( revid > 0 )
    {
      undo_info.last_rev_id = revid;
      field_es.value = $lang.get('editor_reversion_edit_summary', undo_info);
    }
    
    td1_2.appendChild(field_es);
    
    tr1.appendChild(td1_1);
    tr1.appendChild(td1_2);
    
    // Second row: minor edit
    var tr2 = document.createElement('tr');
    var td2_1 = document.createElement('td');
    var td2_2 = document.createElement('td');
    td2_1.className = 'row2';
    td2_2.className = 'row1';
    td2_1.appendChild(document.createTextNode($lang.get('editor_lbl_minor_edit')));
    td2_1.appendChild(document.createElement('br'));
    var small = document.createElement('small');
    small.appendChild(document.createTextNode($lang.get('editor_lbl_minor_edit_explain')));
    td2_1.appendChild(small);
    
    var label = document.createElement('label');
    var field_mi = document.createElement('input');
    field_mi.id = 'enano_editor_field_minor';
    field_mi.type = 'checkbox';
    label.appendChild(field_mi);
    label.appendChild(document.createTextNode(' '));
    label.appendChild(document.createTextNode($lang.get('editor_lbl_minor_edit_field')));
    td2_2.appendChild(label);
    
    tr2.appendChild(td2_1);
    tr2.appendChild(td2_2);
    
    if ( captcha_hash )
    {
      // generate captcha field (effectively third row)
      var tr4 = document.createElement('tr');
      var td4_1 = document.createElement('td');
      var td4_2 = document.createElement('td');
      td4_1.className = 'row2';
      td4_2.className = 'row1';
      
      td4_1.appendChild(document.createTextNode($lang.get('editor_lbl_field_captcha')));
      td4_1.appendChild(document.createElement('br'));
      var small2 = document.createElement('small');
      small2.appendChild(document.createTextNode($lang.get('editor_msg_captcha_pleaseenter')));
      small2.appendChild(document.createElement('br'));
      small2.appendChild(document.createElement('br'));
      small2.appendChild(document.createTextNode($lang.get('editor_msg_captcha_blind')));
      td4_1.appendChild(small2);
      
      var img = document.createElement('img');
      img.src = makeUrlNS('Special', 'Captcha/' + captcha_hash);
      img._captchaHash = captcha_hash;
      img.id = 'enano_editor_captcha_img';
      img.onclick = function()
      {
        this.src = makeUrlNS('Special', 'Captcha/' + this._captchaHash + '/' + Math.floor(Math.random() * 100000));
      }
      img.style.cursor = 'pointer';
      td4_2.appendChild(img);
      td4_2.appendChild(document.createElement('br'));
      td4_2.appendChild(document.createTextNode($lang.get('editor_lbl_field_captcha_code') + ' '));
      var input = document.createElement('input');
      input.type = 'text';
      input.id = 'enano_editor_field_captcha';
      input._captchaHash = captcha_hash;
      input.size = '9';
      td4_2.appendChild(input);
      
      tr4.appendChild(td4_1);
      tr4.appendChild(td4_2);
    }
    
    // Third row: controls
    
    var toolbar = '';
    var head = new templateParser(response.toolbar_templates.toolbar_start);
    var button = new templateParser(response.toolbar_templates.toolbar_button);
    var label = new templateParser(response.toolbar_templates.toolbar_label);
    var tail = new templateParser(response.toolbar_templates.toolbar_end);
    
    button.assign_bool({
        show_title: true
      });
    
    toolbar += head.run();
    
    // Button: Save
    button.assign_vars({
        TITLE: $lang.get('editor_btn_save'),
        IMAGE: editor_img_path + '/save.gif',
        FLAGS: 'href="#" onclick="ajaxEditorSave(); return false;"'
      });
    toolbar += button.run();
    
    // Button: preview
    button.assign_vars({
        TITLE: $lang.get('editor_btn_preview'),
        IMAGE: editor_img_path + '/preview.gif',
        FLAGS: 'href="#" onclick="ajaxEditorGenPreview(); return false;"'
      });
    toolbar += button.run();
    
    // Button: revert
    button.assign_vars({
        TITLE: $lang.get('editor_btn_revert'),
          IMAGE: editor_img_path + '/revert.gif',
        FLAGS: 'href="#" onclick="ajaxEditorRevertToLatest(); return false;"'
      });
    toolbar += button.run();
    
    // Button: diff
    button.assign_vars({
        TITLE: $lang.get('editor_btn_diff'),
        IMAGE: editor_img_path + '/diff.gif',
        FLAGS: 'href="#" onclick="ajaxEditorShowDiffs(); return false;"'
      });
    toolbar += button.run();
    
    // Button: cancel
    button.assign_vars({
        TITLE: $lang.get('editor_btn_cancel'),
        IMAGE: editor_img_path + '/discard.gif',
        FLAGS: 'href="#" onclick="ajaxEditorCancel(); return false;"'
      });
    toolbar += button.run();
    
    // Separator
    label.assign_vars({
        TITLE: ' '
      });
    toolbar += label.run();
    
    // Button: Save draft
    button.assign_vars({
        TITLE: $lang.get('editor_btn_savedraft'),
        IMAGE: editor_img_path + '/savedraft.gif',
        FLAGS: 'href="#" onclick="ajaxPerformAutosave(); return false;" id="ajax_edit_savedraft_btn"'
      });
    toolbar += button.run();
    
    toolbar += tail.run();
    
    metatable.appendChild(tr1);
    metatable.appendChild(tr2);
    if ( captcha_hash )
    {
      metatable.appendChild(tr4);
    }
    // metatable.appendChild(tr3);
  }
  tblholder.appendChild(metatable);
  
  // Edit disclaimer/notice
  if ( editNotice ) // This is set globally in {JS_DYNAMIC_VARS}.
  {
    var en_div = document.createElement('div');
    en_div.innerHTML = editNotice;
    en_div.className = 'usermessage';
    en_div.style.margin = '10px 0 0 0';
  }
  
  // Put it all together...
  form.appendChild(heading);
  if ( allow_wysiwyg )
    form.appendChild(toggler);
  
  if ( dn )
    form.appendChild(dn);
  
  if ( oldrev_box )
    form.appendChild(oldrev_box);
  
  form.appendChild(preview_anchor);
  form.appendChild(preview_container);
  form.appendChild(ta_wrapper);
  form.appendChild(tblholder);
  form.innerHTML += '<div style="margin: 10px 0 0 0;">' + toolbar + '</div>';
  edcon.appendChild(form);
  
  if ( editNotice && !readonly )
  {
    edcon.appendChild(en_div);
  }
  
  // more textarea attribs/init
  var textarea = document.getElementById('ajaxEditArea');
  textarea.as_last_save = 0;
  textarea.content_orig = content;
  textarea.used_draft = false;
  textarea.onkeyup = function()
  {
    if ( this.needReset )
    {
      var img = $dynano('ajax_edit_savedraft_btn').object.getElementsByTagName('img')[0];
      var lbl = $dynano('ajax_edit_savedraft_btn').object.getElementsByTagName('span')[0];
      img.src = editor_img_path + '/savedraft.gif';
      lbl.innerHTML = $lang.get('editor_btn_savedraft');
    }
    if ( AutosaveTimeoutObj )
      clearTimeout(AutosaveTimeoutObj);
    AutosaveTimeoutObj = setTimeout('ajaxAutosaveDraft();', ( AUTOSAVE_TIMEOUT * 1000 ));
  }
  
  if ( readonly )
  {
    textarea.className = 'mce_readonly';
    textarea.setAttribute('readonly', 'readonly');
  }
  
  $dynano('ajaxEditArea').object.focus();
  $dynano('ajaxEditArea').object._edTimestamp = timestamp;
  $dynano('ajaxEditArea').setContent(content);
  
  // If the editor preference is tinymce, switch the editor to TinyMCE now
  if ( readCookie('enano_editor_mode') == 'tinymce' && allow_wysiwyg )
  {
    $dynano('ajaxEditArea').switchToMCE();
  }
  
  if ( allow_wysiwyg )
  {
    if ( readCookie('enano_editor_mode') == 'tinymce' )
    {
      var a = document.getElementById('enano_edit_btn_pt').getElementsByTagName('a')[0];
      a.onclick = function() {
        ajaxSetEditorPlain();
        return false;
      };
    }
    else
    {
      var a = document.getElementById('enano_edit_btn_mce').getElementsByTagName('a')[0];
      a.onclick = function() {
        ajaxSetEditorMCE();
        return false;
      };
    }
  }
  
  // if we're using the modal window, fade it in
  if ( editor_use_modal_window )
  {
    domOpacity(edcon, 0, 100, 500);
  }
  
  // Autosave every 5 minutes           (m  *  s  *  ms)
  setInterval('ajaxPerformAutosave();', ( 5 * 60 * 1000 ));
}

function ajaxEditorDestroyModalWindow()
{
  if ( editor_use_modal_window )
  {
    var edcon = document.getElementById('ajaxEditContainerModal');
    var body = document.getElementsByTagName('body')[0];
    if ( edcon )
    {
      body.removeChild(edcon);
      enlighten(true);
    }
  }
}

function ajaxEditorSave(is_draft)
{
  if ( !is_draft )
    ajaxSetEditorLoading();
  var ta_content = $dynano('ajaxEditArea').getContent();
  
  if ( !is_draft && ( ta_content == '' || ta_content == '<p></p>' || ta_content == '<p>&nbsp;</p>' ) )
  {
    new messagebox(MB_OK|MB_ICONSTOP, $lang.get('editor_err_no_text_title'), $lang.get('editor_err_no_text_body'));
    ajaxUnSetEditorLoading();
    return false;
  }
  
  if ( is_draft )
  {
    // ajaxSetEditorLoading();
    var img = $dynano('ajax_edit_savedraft_btn').object.getElementsByTagName('img')[0];
    var lbl = $dynano('ajax_edit_savedraft_btn').object.getElementsByTagName('span')[0];
    img.src = scriptPath + '/images/loading.gif';
    var d = new Date();
    var m = String(d.getMinutes());
    if ( m.length < 2 )
      m = '0' + m;
    var time = d.getHours() + ':' + m;
    lbl.innerHTML = $lang.get('editor_msg_draft_saving');
  }
  
  var edit_summ = $dynano('enano_editor_field_summary').object.value;
  if ( !edit_summ )
    edit_summ = '';
  var is_minor = ( $dynano('enano_editor_field_minor').object.checked ) ? 1 : 0;
  var timestamp = $dynano('ajaxEditArea').object._edTimestamp;
  var used_draft = $dynano('ajaxEditArea').object.used_draft;
  
  var json_packet = {
    src: ta_content,
    summary: edit_summ,
    minor_edit: is_minor,
    time: timestamp,
    draft: ( is_draft == true ),
    used_draft: used_draft
  };
  
  // Do we need to add captcha info?
  if ( document.getElementById('enano_editor_field_captcha') )
  {
    var captcha_field = document.getElementById('enano_editor_field_captcha');
    if ( captcha_field.value == '' )
    {
      new messagebox(MB_OK|MB_ICONSTOP, $lang.get('editor_err_need_captcha_title'), $lang.get('editor_err_need_captcha_body'));
      ajaxUnSetEditorLoading();
      return false;
    }
    json_packet.captcha_code = captcha_field.value;
    json_packet.captcha_id = captcha_field._captchaHash;
  }
  
  json_packet = ajaxEscape(toJSONString(json_packet));
  ajaxPost(stdAjaxPrefix + '&_mode=savepage_json', 'r=' + json_packet, function()
    {
      if ( ajax.readyState == 4 && ajax.status == 200 )
      {
        var response = String(ajax.responseText + '');
        if ( response.substr(0, 1) != '{' )
        {
          handle_invalid_json(response);
          return false;
        }
        
        response = parseJSON(response);
        // This will only be used if there was a lower-level error.
        if ( response.mode == 'error' )
        {
          new messagebox(MB_OK | MB_ICONSTOP, $lang.get('editor_err_server'), response.error);
          return false;
        }
        // This will be used if the PageProcessor generated errors (usually security/permissions related)
        if ( response.mode == 'errors' )
        {
          // This will be true if the user entered a captcha code incorrectly, thus
          // invalidating the code and requiring a new image to be generated.
          if ( response.new_captcha )
          {
            // Generate the new captcha field
            var img = document.getElementById('enano_editor_captcha_img');
            var input = document.getElementById('enano_editor_field_captcha');
            if ( img && input )
            {
              img._captchaHash = response.new_captcha;
              input._captchaHash = response.new_captcha;
              img.src = makeUrlNS('Special', 'Captcha/' + response.new_captcha);
              input.value = '';
            }
          }
          var errors = '<ul><li>' + implode('</li><li>', response.errors) + '</li></ul>';
          new messagebox(MB_OK | MB_ICONSTOP, $lang.get('editor_err_save_title'), $lang.get('editor_err_save_body') + errors);
          return false;
        }
        // If someone else got to the page first, warn the user
        if ( response.mode == 'obsolete' )
        {
          // Update the local timestamp to allow override
          $dynano('ajaxEditArea').object._edTimestamp = response.time;
          new messagebox(MB_OK | MB_ICONEXCLAMATION, $lang.get('editor_err_obsolete_title'), $lang.get('editor_err_obsolete_body', { author: response.author, timestamp: response.date_string, page_url: makeUrl(title, false, true) }));
          return false;
        }
        if ( response.mode == 'success' )
        {
          if ( response.is_draft )
          {
            document.getElementById('ajaxEditArea').used_draft = true;
            document.getElementById('ajaxEditArea').needReset = true;
            var img = $dynano('ajax_edit_savedraft_btn').object.getElementsByTagName('img')[0];
            var lbl = $dynano('ajax_edit_savedraft_btn').object.getElementsByTagName('span')[0];
            img.src = scriptPath + '/images/mini-info.png';
            var d = new Date();
            var m = String(d.getMinutes());
            if ( m.length < 2 )
              m = '0' + m;
            var time = d.getHours() + ':' + m;
            lbl.innerHTML = $lang.get('editor_msg_draft_saved', { time: time });
          }
          else
          {
            // The save was successful; reset flags and make another request for the new page content
            ajaxUnSetEditorLoading();
            setAjaxLoading();
            editor_open = false;
            enableUnload();
            changeOpac(0, 'ajaxEditContainer');
            ajaxGet(stdAjaxPrefix + '&_mode=getpage&noheaders', function()
              {
                if ( ajax.readyState == 4 && ajax.status == 200 )
                {
                  unsetAjaxLoading();
                  selectButtonMajor('article');
                  unselectAllButtonsMinor();
                  
                  ajaxEditorDestroyModalWindow();
                  document.getElementById('ajaxEditContainer').innerHTML = '<div class="usermessage">' + $lang.get('editor_msg_saved') + '</div>' + ajax.responseText;
                  opacity('ajaxEditContainer', 0, 100, 1000);
                }
              });
          }
        }
      }
    }, true);
}

function ajaxEditorGenPreview()
{
  ajaxSetEditorLoading();
  var ta_content = $dynano('ajaxEditArea').getContent();
  ta_content = ajaxEscape(ta_content);
  if ( $dynano('enano_editor_preview').object.innerHTML != '' )
  {
    opacity('enano_editor_preview', 100, 0, 500);
  }
  ajaxPost(stdAjaxPrefix + '&_mode=preview', 'text=' + ta_content, function()
    {
      if ( ajax.readyState == 4 && ajax.status == 200 )
      {
        ajaxUnSetEditorLoading();
        changeOpac(0, 'enano_editor_preview');
        $dynano('enano_editor_preview').object.innerHTML = ajax.responseText;
        window.location.hash = '#ajax_preview';
        opacity('enano_editor_preview', 0, 100, 500);
      }
    }, true);
}

function ajaxEditorRevertToLatest()
{
  var mb = new messagebox(MB_YESNO | MB_ICONQUESTION, $lang.get('editor_msg_revert_confirm_title'), $lang.get('editor_msg_revert_confirm_body'));
  mb.onclick['Yes'] = function()
  {
    setTimeout('ajaxEditorRevertToLatestReal();', 750);
  }
}

function ajaxEditorRevertToLatestReal()
{
  ajaxSetEditorLoading();
  ajaxGet(stdAjaxPrefix + '&_mode=getsource', function()
    {
      if ( ajax.readyState == 4 && ajax.status == 200 )
      {
        ajaxUnSetEditorLoading();
        
        var response = String(ajax.responseText + '');
        if ( response.substr(0, 1) != '{' )
        {
          handle_invalid_json(response);
          return false;
        }
        
        response = parseJSON(response);
        if ( response.mode == 'error' )
        {
          unselectAllButtonsMinor();
          new messagebox(MB_OK | MB_ICONSTOP, $lang.get('editor_err_server'), response.error);
          return false;
        }
        
        if ( !response.auth_view_source )
        {
          unselectAllButtonsMinor();
          new messagebox(MB_OK | MB_ICONSTOP, $lang.get('editor_err_access_denied_title'), $lang.get('editor_err_access_denied_body'));
          return false;
        }
        
        $dynano('ajaxEditArea').setContent(response.src);
      }
    }, true);
}

function ajaxEditorShowDiffs()
{
  ajaxSetEditorLoading();
  var ta_content = $dynano('ajaxEditArea').getContent();
  ta_content = ajaxEscape(ta_content);
  if ( $dynano('enano_editor_preview').object.innerHTML != '' )
  {
    opacity('enano_editor_preview', 100, 0, 500);
  }
  ajaxPost(stdAjaxPrefix + '&_mode=diff_cur', 'text=' + ta_content, function()
    {
      if ( ajax.readyState == 4 && ajax.status == 200 )
      {
        ajaxUnSetEditorLoading();
        changeOpac(0, 'enano_editor_preview');
        $dynano('enano_editor_preview').object.innerHTML = ajax.responseText;
        window.location.hash = '#ajax_preview';
        opacity('enano_editor_preview', 0, 100, 500);
      }
    }, true);
}

function ajaxEditorCancel()
{
  var mb = new messagebox(MB_YESNO | MB_ICONQUESTION, $lang.get('editor_msg_cancel_confirm_title'), $lang.get('editor_msg_cancel_confirm_body'));
  mb.onclick['Yes'] = function()
  {
    setAjaxLoading();
    ajaxEditorDestroyModalWindow();
    editor_open = false;
    enableUnload();
    setTimeout('ajaxReset();', 750);
  }
}

function ajaxSetEditorMCE()
{
  if ( editor_loading )
    return false;
  
  // Clear out existing buttons
  var span_wiki = $dynano('enano_edit_btn_pt').object;
  var span_mce  = $dynano('enano_edit_btn_mce').object;
  span_wiki.removeChild(span_wiki.firstChild);
  span_mce.removeChild(span_mce.firstChild);
  
  // Rebuild control
  var a = document.createElement('a');
  a.href = '#';
  a.onclick = function() {
    ajaxSetEditorPlain();
    return false;
  };
  a.appendChild(document.createTextNode($lang.get('editor_btn_wikitext')));
  span_wiki.appendChild(a);
  span_mce.appendChild(document.createTextNode($lang.get('editor_btn_graphical')));
  
  // Swap editor
  $dynano('ajaxEditArea').switchToMCE();
  
  // Remember the setting
  createCookie('enano_editor_mode', 'tinymce', 365);
}

function ajaxSetEditorPlain()
{
  if ( editor_loading )
    return false;
  
  // Clear out existing buttons
  var span_wiki = $dynano('enano_edit_btn_pt').object;
  var span_mce  = $dynano('enano_edit_btn_mce').object;
  span_wiki.removeChild(span_wiki.firstChild);
  span_mce.removeChild(span_mce.firstChild);
  
  // Rebuild control
  span_wiki.appendChild(document.createTextNode($lang.get('editor_btn_wikitext')));
  var a = document.createElement('a');
  a.href = '#';
  a.onclick = function() {
    ajaxSetEditorMCE();
    return false;
  };
  a.appendChild(document.createTextNode($lang.get('editor_btn_graphical')));
  span_mce.appendChild(a);
  
  // Swap editor
  $dynano('ajaxEditArea').destroyMCE();
  
  // Remember the setting
  createCookie('enano_editor_mode', 'text', 365);
}

var editor_loading = false;

function ajaxSetEditorLoading()
{
  var ed = tinyMCE.get('ajaxEditArea');
  editor_loading = true;
  if ( ed )
  {
    ed.setProgressState(1);
  }
  else
  {
    ed = document.getElementById('ajaxEditArea');
    var blackout = document.createElement('div');
    blackout.style.position = 'absolute';
    blackout.style.top = $dynano('ajaxEditArea').Top() + 'px';
    blackout.style.left = $dynano('ajaxEditArea').Left() + 'px';
    blackout.style.width = $dynano('ajaxEditArea').Width() + 'px';
    blackout.style.height = $dynano('ajaxEditArea').Height() + 'px';
    blackout.style.backgroundColor = '#FFFFFF';
    domObjChangeOpac(60, blackout);
    blackout.style.backgroundImage = 'url(' + scriptPath + '/includes/clientside/tinymce/themes/advanced/skins/default/img/progress.gif)';
    blackout.style.backgroundPosition = 'center center';
    blackout.style.backgroundRepeat = 'no-repeat';
    blackout.id = 'enano_editor_blackout';
    blackout.style.zIndex = getHighestZ() + 2;
    
    var body = document.getElementsByTagName('body')[0];
    body.appendChild(blackout);
  }
}

function ajaxUnSetEditorLoading()
{
  editor_loading = false;
  var ed = tinyMCE.get('ajaxEditArea');
  if ( ed )
  {
    ed.setProgressState(0);
  }
  else
  {
    var blackout = document.getElementById('enano_editor_blackout');
    var body = document.getElementsByTagName('body')[0];
    body.removeChild(blackout);
  }
}

function ajaxAutosaveDraft()
{
  var aed = document.getElementById('ajaxEditArea');
  if ( !aed )
    return false;
  var last_save = aed.as_last_save;
  var now = unix_time();
  if ( ( last_save + 120 ) < now && aed.value != aed.content_orig )
  {
    ajaxPerformAutosave();
  }
}

function ajaxPerformAutosave()
{
  var aed = document.getElementById('ajaxEditArea');
  if ( !aed )
    return false;
  var now = unix_time();
  aed.as_last_save = now;
  
  var ta_content = $dynano('ajaxEditArea').getContent();
  
  if ( ta_content == '' || ta_content == '<p></p>' || ta_content == '<p>&nbsp;</p>' )
  {
    return false;
  }
  
  ajaxEditorSave(true);
}

function ajaxEditorUseDraft()
{
  var aed = document.getElementById('ajaxEditArea');
  if ( !aed )
    return false;
  ajaxSetEditorLoading();
  ajaxGet(stdAjaxPrefix + '&_mode=getsource&get_draft=1', function()
    {
      if ( ajax.readyState == 4 && ajax.status == 200 )
      {
        ajaxUnSetEditorLoading();
        
        var response = String(ajax.responseText + '');
        if ( response.substr(0, 1) != '{' )
        {
          handle_invalid_json(response);
          return false;
        }
        
        response = parseJSON(response);
        if ( response.mode == 'error' )
        {
          unselectAllButtonsMinor();
          new messagebox(MB_OK | MB_ICONSTOP, $lang.get('editor_err_server'), response.error);
          return false;
        }
        
        $dynano('ajaxEditArea').setContent(response.src);
        $dynano('ajaxEditArea').object.used_draft = true;
        
        var es = document.getElementById('enano_editor_field_summary');
        if ( es.value == '' )
        {
          es.value = response.edit_summary;
        }
        
        var dn = $dynano('ajax_edit_draft_notice').object;
        dn.parentNode.removeChild(dn);
      }
    }, true);
}