/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * This file is part of Travelsized CMS
 *              A content management system with modules, based on wiki syntax
 *
 * Author: Dan Jensen <admin@leinir.dk>
 * Copyright 2003/2004
 *
 * This program is free software; you can redistribute it 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.
 *
 * The GNU General Public License is available at: http://www.gnu.org/copyleft/
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

//This was taken wholesale from TikiWiki - http://tikiwiki.sourceforge.net
//Thanks guys, great piece of work there :)

function getElementById(id) {
    if (document.all) {
 return document.getElementById(id);
    }
    for (i=0;i<document.forms.length;i++) {
 if (document.forms[i].elements[id]) {return document.forms[i].elements[id]; }
    }
}

function setSomeElement(fooel, foo1) {
 document.getElementById(fooel).value = document.getElementById(fooel).value + foo1;
}

function replaceSome(fooel, what, repl) {
 document.getElementById(fooel).value = document.getElementById(fooel).value.replace(what, repl);
}

function setSelectionRange(textarea, selectionStart, selectionEnd) {
  if (textarea.setSelectionRange) {
    textarea.focus();
    textarea.setSelectionRange(selectionStart, selectionEnd);
  }
  else if (textarea.createTextRange) {
    var range = textarea.createTextRange();
    textarea.collapse(true);
    textarea.moveEnd('character', selectionEnd);
    textarea.moveStart('character', selectionStart);
    textarea.select();
  }
}
function setCaretToPos (textarea, pos) {
  setSelectionRange(textarea, pos, pos);
}

function showTooltip(tip) {
  if (tip) {
    document.getElementById('tooltip').value = tip;
  } else {
    document.getElementById('tooltip').value = 'Move mouse over controls for tip';
  }
}

function insertAt(elementId, replaceString) {
  //inserts given text at selection or cursor position
  textarea = getElementById(elementId);
  var toBeReplaced = /text|page|area_name/;//substrings in replaceString to be replaced by the selection if a selection was done
  if (textarea.setSelectionRange) {
    //Mozilla UserAgent Gecko-1.4
    var selectionStart = textarea.selectionStart;
    var selectionEnd = textarea.selectionEnd;
    if (selectionStart != selectionEnd) { // has there been a selection
 var newString = replaceString.replace(toBeReplaced, textarea.value.substring(selectionStart, selectionEnd));
     textarea.value = textarea.value.substring(0, selectionStart)
                  + newString
                  + textarea.value.substring(selectionEnd);
      setSelectionRange(textarea, selectionStart, selectionStart + newString.length);
    }
    else  {// set caret
       textarea.value = textarea.value.substring(0, selectionStart)
                  + replaceString
                  + textarea.value.substring(selectionEnd);
      setCaretToPos(textarea, selectionStart + replaceString.length);
    }
  }
  else if (document.selection) {
    //UserAgent IE-6.0
    textarea.focus();
    var range = document.selection.createRange();
    if (range.parentElement() == textarea) {
      var isCollapsed = range.text == '';
      if (! isCollapsed)  {
        range.text = replaceString.replace(toBeReplaced, range.text);
        range.moveStart('character', -range.text.length);
        range.select();
      }
 else {
  range.text = replaceString;
 }
    }
  }
  else { //UserAgent Gecko-1.0.1 (NN7.0)
    setSomeElement(elementId, replaceString)
    //alert("don't know yet how to handle insert" + document);
 }
}