/**
 * $RCSfile: editor_plugin_src.js,v $
 * $Revision: 1.37 $
 * $Date: 2006/03/27 10:07:08 $
 *
 * @author Moxiecode
 * @copyright Copyright © 2004-2006, Moxiecode Systems AB, All rights reserved.
 */

/* Import plugin specific language pack */ 
tinyMCE.importPluginLanguagePack('paste', 'en,tr,sv,cs,zh_cn,fr_ca,da,he,nb,de,hu,ru,ru_KOI8-R,ru_UTF-8,nn,fi,es,cy,is,pl,nl,fr,pt_br');

var TinyMCE_PastePlugin = {
 getInfo : function() {
  return {
   longname : 'Paste text/word',
   author : 'Moxiecode Systems',
   authorurl : 'http://tinymce.moxiecode.com',
   infourl : 'http://tinymce.moxiecode.com/tinymce/docs/plugin_paste.html',
   version : tinyMCE.majorVersion + "." + tinyMCE.minorVersion
  };
 },

 initInstance : function(inst) {
  if (tinyMCE.isMSIE && tinyMCE.getParam("paste_auto_cleanup_on_paste", false))
   tinyMCE.addEvent(inst.getBody(), "paste", TinyMCE_PastePlugin._handlePasteEvent);
 },

 getControlHTML : function(cn) { 
  switch (cn) { 
   case "pastetext":
    return tinyMCE.getButtonHTML(cn, 'lang_paste_text_desc', '{$pluginurl}/images/pastetext.gif', 'mcePasteText', true);

   case "pasteword":
    return tinyMCE.getButtonHTML(cn, 'lang_paste_word_desc', '{$pluginurl}/images/pasteword.gif', 'mcePasteWord', true);

   case "selectall":
    return tinyMCE.getButtonHTML(cn, 'lang_selectall_desc', '{$pluginurl}/images/selectall.gif', 'mceSelectAll', true);
  } 

  return ''; 
 },

 execCommand : function(editor_id, element, command, user_interface, value) { 
  switch (command) { 
   case "mcePasteText": 
    if (user_interface) {
     if ((tinyMCE.isMSIE && !tinyMCE.isOpera) && !tinyMCE.getParam('paste_use_dialog', false))
      TinyMCE_PastePlugin._insertText(clipboardData.getData("Text"), true); 
     else { 
      var template = new Array(); 
      template['file'] = '../../plugins/paste/pastetext.htm'; // Relative to theme 
      template['width']  = 450; 
      template['height'] = 400; 
      var plain_text = ""; 
      tinyMCE.openWindow(template, {editor_id : editor_id, plain_text: plain_text, resizable : "yes", scrollbars : "no", inline : "yes", mceDo : 'insert'}); 
     }
    } else
     TinyMCE_PastePlugin._insertText(value['html'], value['linebreaks']);

    return true;

   case "mcePasteWord": 
    if (user_interface) {
     if ((tinyMCE.isMSIE && !tinyMCE.isOpera) && !tinyMCE.getParam('paste_use_dialog', false)) {
      var html = TinyMCE_PastePlugin._clipboardHTML();

      if (html && html.length > 0)
       TinyMCE_PastePlugin._insertWordContent(html);
     } else { 
      var template = new Array(); 
      template['file'] = '../../plugins/paste/pasteword.htm'; // Relative to theme 
      template['width']  = 450; 
      template['height'] = 400; 
      var plain_text = ""; 
      tinyMCE.openWindow(template, {editor_id : editor_id, plain_text: plain_text, resizable : "yes", scrollbars : "no", inline : "yes", mceDo : 'insert'});
     }
    } else
     TinyMCE_PastePlugin._insertWordContent(value);

    return true;

   case "mceSelectAll":
    tinyMCE.execInstanceCommand(editor_id, 'selectall'); 
    return true; 

  } 

  // Pass to next handler in chain 
  return false; 
 },

 // Private plugin internal methods

 _handlePasteEvent : function(e) {
  switch (e.type) {
   case "paste":
    var html = TinyMCE_PastePlugin._clipboardHTML();
    var r, inst = tinyMCE.selectedInstance;

    // Removes italic, strong etc, the if was needed due to bug #1437114
    if (inst && (r = inst.getRng()) && r.text.length > 0)
     tinyMCE.execCommand('delete');

    if (html && html.length > 0)
     tinyMCE.execCommand('mcePasteWord', false, html);

    tinyMCE.cancelEvent(e);
    return false;
  }

  return true;
 },

 _insertText : function(content, bLinebreaks) { 
  if (content && content.length > 0) {
   if (bLinebreaks) { 
    // Special paragraph treatment 
    if (tinyMCE.getParam("paste_create_paragraphs", true)) {
     var rl = tinyMCE.getParam("paste_replace_list", '\u2122,<sup>TM</sup>,\u2026,...,\u201c|\u201d,",\u2019,\',\u2013|\u2014|\u2015|\u2212,-').split(',');
     for (var i=0; i<rl.length; i+=2)
      content = content.replace(new RegExp(rl[i], 'gi'), rl[i+1]);

     content = tinyMCE.regexpReplace(content, "\r\n\r\n", "</p><p>", "gi"); 
     content = tinyMCE.regexpReplace(content, "\r\r", "</p><p>", "gi"); 
     content = tinyMCE.regexpReplace(content, "\n\n", "</p><p>", "gi"); 

     // Has paragraphs 
     if ((pos = content.indexOf('</p><p>')) != -1) { 
      tinyMCE.execCommand("Delete"); 

      var node = tinyMCE.selectedInstance.getFocusElement(); 

      // Get list of elements to break 
      var breakElms = new Array(); 

      do { 
       if (node.nodeType == 1) { 
        // Don't break tables and break at body 
        if (node.nodeName == "TD" || node.nodeName == "BODY") 
         break; 
  
        breakElms[breakElms.length] = node; 
       } 
      } while(node = node.parentNode); 

      var before = "", after = "</p>"; 
      before += content.substring(0, pos); 

      for (var i=0; i<breakElms.length; i++) { 
       before += "</" + breakElms[i].nodeName + ">"; 
       after += "<" + breakElms[(breakElms.length-1)-i].nodeName + ">"; 
      } 

      before += "<p>"; 
      content = before + content.substring(pos+7) + after; 
     } 
    } 

    if (tinyMCE.getParam("paste_create_linebreaks", true)) {
     content = tinyMCE.regexpReplace(content, "\r\n", "<br />", "gi"); 
     content = tinyMCE.regexpReplace(content, "\r", "<br />", "gi"); 
     content = tinyMCE.regexpReplace(content, "\n", "<br />", "gi"); 
    }
   } 
  
   tinyMCE.execCommand("mceInsertRawHTML", false, content); 
  }
 },

 _insertWordContent : function(content) { 
  if (content && content.length > 0) {
   // Cleanup Word content
   var bull = String.fromCharCode(8226);
   var middot = String.fromCharCode(183);
   var cb;

   if ((cb = tinyMCE.getParam("paste_insert_word_content_callback", "")) != "")
    content = eval(cb + "('before', content)");

   var rl = tinyMCE.getParam("paste_replace_list", '\u2122,<sup>TM</sup>,\u2026,...,\u201c|\u201d,",\u2019,\',\u2013|\u2014|\u2015|\u2212,-').split(',');
   for (var i=0; i<rl.length; i+=2)
    content = content.replace(new RegExp(rl[i], 'gi'), rl[i+1]);

   if (tinyMCE.getParam("paste_convert_headers_to_strong", false)) {
    content = content.replace(new RegExp('<p class=MsoHeading.*?>(.*?)<\/p>', 'gi'), '<p><b>$1</b></p>');
   }

   content = content.replace(new RegExp('tab-stops: list [0-9]+.0pt">', 'gi'), '">' + "--list--");
   content = content.replace(new RegExp(bull + "(.*?)<BR>", "gi"), "<p>" + middot + "$1</p>");
   content = content.replace(new RegExp('<SPAN style="mso-list: Ignore">', 'gi'), "<span>" + bull); // Covert to bull list
   content = content.replace(/<o:p><\/o:p>/gi, "");
   content = content.replace(new RegExp('<br style="page-break-before: always;.*>', 'gi'), '-- page break --'); // Replace pagebreaks
   content = content.replace(new RegExp('<(!--)([^>]*)(--)>', 'g'), "");  // Word comments

   if (tinyMCE.getParam("paste_remove_spans", true))
    content = content.replace(/<\/?span[^>]*>/gi, "");

   if (tinyMCE.getParam("paste_remove_styles", true))
    content = content.replace(new RegExp('<(\\w[^>]*) style="([^"]*)"([^>]*)', 'gi'), "<$1$3");

   content = content.replace(/<\/?font[^>]*>/gi, "");

   // Strips class attributes.
   switch (tinyMCE.getParam("paste_strip_class_attributes", "all")) {
    case "all":
     content = content.replace(/<(\w[^>]*) class=([^ |>]*)([^>]*)/gi, "<$1$3");
     break;

    case "mso":
     content = content.replace(new RegExp('<(\\w[^>]*) class="?mso([^ |>]*)([^>]*)', 'gi'), "<$1$3");
     break;
   }

   content = content.replace(new RegExp('href="?' + TinyMCE_PastePlugin._reEscape("" + document.location) + '', 'gi'), 'href="' + tinyMCE.settings['document_base_url']);
   content = content.replace(/<(\w[^>]*) lang=([^ |>]*)([^>]*)/gi, "<$1$3");
   content = content.replace(/<\\?\?xml[^>]*>/gi, "");
   content = content.replace(/<\/?\w+:[^>]*>/gi, "");
   content = content.replace(/-- page break --\s*<p>&nbsp;<\/p>/gi, ""); // Remove pagebreaks
   content = content.replace(/-- page break --/gi, ""); // Remove pagebreaks

 //  content = content.replace(/\/?&nbsp;*/gi, ""); &nbsp;
 //  content = content.replace(/<p>&nbsp;<\/p>/gi, '');

   if (!tinyMCE.settings['force_p_newlines']) {
    content = content.replace('', '' ,'gi');
    content = content.replace('</p>', '<br /><br />' ,'gi');
   }

   if (!tinyMCE.isMSIE && !tinyMCE.settings['force_p_newlines']) {
    content = content.replace(/<\/?p[^>]*>/gi, "");
   }

   content = content.replace(/<\/?div[^>]*>/gi, "");

   // Convert all middlot lists to UL lists
   if (tinyMCE.getParam("paste_convert_middot_lists", true)) {
    var div = document.createElement("div");
    div.innerHTML = content;

    // Convert all middot paragraphs to li elements
    var className = tinyMCE.getParam("paste_unindented_list_class", "unIndentedList");

    while (TinyMCE_PastePlugin._convertMiddots(div, "--list--")) ; // bull
    while (TinyMCE_PastePlugin._convertMiddots(div, middot, className)) ; // Middot
    while (TinyMCE_PastePlugin._convertMiddots(div, bull)) ; // bull

    content = div.innerHTML;
   }

   // Replace all headers with strong and fix some other issues
   if (tinyMCE.getParam("paste_convert_headers_to_strong", false)) {
    content = content.replace(/<h[1-6]>&nbsp;<\/h[1-6]>/gi, '<p>&nbsp;&nbsp;</p>');
    content = content.replace(/<h[1-6]>/gi, '<p><b>');
    content = content.replace(/<\/h[1-6]>/gi, '</b></p>');
    content = content.replace(/<b>&nbsp;<\/b>/gi, '<b>&nbsp;&nbsp;</b>');
    content = content.replace(/^(&nbsp;)*/gi, '');
   }

   content = content.replace(/--list--/gi, ""); // Remove --list--

   if ((cb = tinyMCE.getParam("paste_insert_word_content_callback", "")) != "")
    content = eval(cb + "('after', content)");

   // Insert cleaned content
   tinyMCE.execCommand("mceInsertContent", false, content);
   window.setTimeout('tinyMCE.execCommand("mceCleanup");', 1); // Do normal cleanup detached from this thread
  }
 },

 _reEscape : function(s) {
  var l = "?.\\*[](){}+^$:";
  var o = "";

  for (var i=0; i<s.length; i++) {
   var c = s.charAt(i);

   if (l.indexOf(c) != -1)
    o += '\\' + c;
   else
    o += c;
  }

  return o;
 },

 _convertMiddots : function(div, search, class_name) {
  var mdot = String.fromCharCode(183);
  var bull = String.fromCharCode(8226);

  var nodes = div.getElementsByTagName("p");
  var prevul;
  for (var i=0; i<nodes.length; i++) {
   var p = nodes[i];

   // Is middot
   if (p.innerHTML.indexOf(search) == 0) {
    var ul = document.createElement("ul");

    if (class_name)
     ul.className = class_name;

    // Add the first one
    var li = document.createElement("li");
    li.innerHTML = p.innerHTML.replace(new RegExp('' + mdot + '|' + bull + '|--list--|&nbsp;', "gi"), '');
    ul.appendChild(li);

    // Add the rest
    var np = p.nextSibling;
    while (np) {
           // If the node is whitespace, then
           // ignore it and continue on.
           if (np.nodeType == 3 && new RegExp('^\\s$', 'm').test(np.nodeValue)) {
                   np = np.nextSibling;
                   continue;
           }

     if (search == mdot) {
             if (np.nodeType == 1 && new RegExp('^o(\\s+|&nbsp;)').test(np.innerHTML)) {
                     // Second level of nesting
                     if (!prevul) {
                             prevul = ul;
                             ul = document.createElement("ul");
                             prevul.appendChild(ul);
                     }
                     np.innerHTML = np.innerHTML.replace(/^o/, '');
             } else {
                     // Pop the stack if we're going back up to the first level
                     if (prevul) {
                             ul = prevul;
                             prevul = null;
                     }
                     // Not element or middot paragraph
                     if (np.nodeType != 1 || np.innerHTML.indexOf(search) != 0)
                             break;
             }
     } else {
             // Not element or middot paragraph
             if (np.nodeType != 1 || np.innerHTML.indexOf(search) != 0)
                     break;
            }

     var cp = np.nextSibling;
     var li = document.createElement("li");
     li.innerHTML = np.innerHTML.replace(new RegExp('' + mdot + '|' + bull + '|--list--|&nbsp;', "gi"), '');
     np.parentNode.removeChild(np);
     ul.appendChild(li);
     np = cp;
    }

    p.parentNode.replaceChild(ul, p);

    return true;
   }
  }

  return false;
 },

 _clipboardHTML : function() {
  var div = document.getElementById('_TinyMCE_clipboardHTML');

  if (!div) {
   var div = document.createElement('DIV');
   div.id = '_TinyMCE_clipboardHTML';

   with (div.style) {
    visibility = 'hidden';
    overflow = 'hidden';
    position = 'absolute';
    width = 1;
    height = 1;
   }

   document.body.appendChild(div);
  }

  div.innerHTML = '';
  var rng = document.body.createTextRange();
  rng.moveToElementText(div);
  rng.execCommand('Paste');
  var html = div.innerHTML;
  div.innerHTML = '';
  return html;
 }
};

tinyMCE.addPlugin("paste", TinyMCE_PastePlugin);