/**
 * $RCSfile: form_utils.js,v $
 * $Revision: 1.11 $
 * $Date: 2006/04/07 15:53:12 $
 *
 * Various form utilitiy functions.
 *
 * @author Moxiecode
 * @copyright Copyright © 2004-2006, Moxiecode Systems AB, All rights reserved.
 */

function getColorPickerHTML(id, target_form_element) {
 var html = "";

 html += '<a id="' + id + '_link" href="javascript:void(0);" onkeydown="pickColor(event,\'' + target_form_element +'\');" onmousedown="pickColor(event,\'' + target_form_element +'\');return false;">';
 html += '<img id="' + id + '" src="../../themes/' + tinyMCE.getParam("theme") + '/images/color.gif"';
 html += ' onmouseover="this.className=\'mceButtonOver\'"';
 html += ' onmouseout="this.className=\'mceButtonNormal\'"';
 html += ' onmousedown="this.className=\'mceButtonDown\'"';
 html += ' width="20" height="16" border="0" title="' + tinyMCE.getLang('lang_browse') + '"';
 html += ' class="mceButtonNormal" alt="' + tinyMCE.getLang('lang_browse') + '" /></a>';

 return html;
}

function pickColor(e, target_form_element) {
 if ((e.keyCode == 32 || e.keyCode == 13) || e.type == "mousedown")
  tinyMCEPopup.pickColor(e, target_form_element);
}

function updateColor(img_id, form_element_id) {
 document.getElementById(img_id).style.backgroundColor = document.forms[0].elements[form_element_id].value;
}

function setBrowserDisabled(id, state) {
 var img = document.getElementById(id);
 var lnk = document.getElementById(id + "_link");

 if (lnk) {
  if (state) {
   lnk.setAttribute("realhref", lnk.getAttribute("href"));
   lnk.removeAttribute("href");
   tinyMCE.switchClass(img, 'mceButtonDisabled', true);
  } else {
   lnk.setAttribute("href", lnk.getAttribute("realhref"));
   tinyMCE.switchClass(img, 'mceButtonNormal', false);
  }
 }
}

function getBrowserHTML(id, target_form_element, type, prefix) {
 var option = prefix + "_" + type + "_browser_callback";
 var cb = tinyMCE.getParam(option, tinyMCE.getParam("file_browser_callback"));
 if (cb == null)
  return "";

 var html = "";

 html += '<a id="' + id + '_link" href="javascript:openBrower(\'' + id + '\',\'' + target_form_element + '\', \'' + type + '\',\'' + option + '\');" onmousedown="return false;">';
 html += '<img id="' + id + '" src="../../themes/' + tinyMCE.getParam("theme") + '/images/browse.gif"';
 html += ' onmouseover="this.className=\'mceButtonOver\';"';
 html += ' onmouseout="this.className=\'mceButtonNormal\';"';
 html += ' onmousedown="this.className=\'mceButtonDown\';"';
 html += ' width="20" height="18" border="0" title="' + tinyMCE.getLang('lang_browse') + '"';
 html += ' class="mceButtonNormal" alt="' + tinyMCE.getLang('lang_browse') + '" /></a>';

 return html;
}

function openBrower(img_id, target_form_element, type, option) {
 var img = document.getElementById(img_id);

 if (img.className != "mceButtonDisabled")
  tinyMCEPopup.openBrowser(target_form_element, type, option);
}

function selectByValue(form_obj, field_name, value, add_custom, ignore_case) {
 if (!form_obj || !form_obj.elements[field_name])
  return;

 var sel = form_obj.elements[field_name];

 var found = false;
 for (var i=0; i<sel.options.length; i++) {
  var option = sel.options[i];

  if (option.value == value || (ignore_case && option.value.toLowerCase() == value.toLowerCase())) {
   option.selected = true;
   found = true;
  } else
   option.selected = false;
 }

 if (!found && add_custom && value != '') {
  var option = new Option(value, value);
  option.selected = true;
  sel.options[sel.options.length] = option;
  sel.selectedIndex = sel.options.length - 1;
 }

 return found;
}

function getSelectValue(form_obj, field_name) {
 var elm = form_obj.elements[field_name];

 if (elm == null || elm.options == null)
  return "";

 return elm.options[elm.selectedIndex].value;
}

function addSelectValue(form_obj, field_name, name, value) {
 var s = form_obj.elements[field_name];
 var o = new Option(name, value);
 s.options[s.options.length] = o;
}

function addClassesToList(list_id, specific_option) {
 // Setup class droplist
 var styleSelectElm = document.getElementById(list_id);
 var styles = tinyMCE.getParam('theme_advanced_styles', false);
 styles = tinyMCE.getParam(specific_option, styles);

 if (styles) {
  var stylesAr = styles.split(';');

  for (var i=0; i<stylesAr.length; i++) {
   if (stylesAr != "") {
    var key, value;

    key = stylesAr[i].split('=')[0];
    value = stylesAr[i].split('=')[1];

    styleSelectElm.options[styleSelectElm.length] = new Option(key, value);
   }
  }
 } else {
  // Use auto impored classes
  var csses = tinyMCE.getCSSClasses(tinyMCE.getWindowArg('editor_id'));
  for (var i=0; i<csses.length; i++)
   styleSelectElm.options[styleSelectElm.length] = new Option(csses[i], csses[i]);
 }
}

function isVisible(element_id) {
 var elm = document.getElementById(element_id);

 return elm && elm.style.display != "none";
}

function convertRGBToHex(col) {
 var re = new RegExp("rgb\\s*\\(\\s*([0-9]+).*,\\s*([0-9]+).*,\\s*([0-9]+).*\\)", "gi");

 var rgb = col.replace(re, "$1,$2,$3").split(',');
 if (rgb.length == 3) {
  r = parseInt(rgb[0]).toString(16);
  g = parseInt(rgb[1]).toString(16);
  b = parseInt(rgb[2]).toString(16);

  r = r.length == 1 ? '0' + r : r;
  g = g.length == 1 ? '0' + g : g;
  b = b.length == 1 ? '0' + b : b;

  return "#" + r + g + b;
 }

 return col;
}

function convertHexToRGB(col) {
 if (col.indexOf('#') != -1) {
  col = col.replace(new RegExp('[^0-9A-F]', 'gi'), '');

  r = parseInt(col.substring(0, 2), 16);
  g = parseInt(col.substring(2, 4), 16);
  b = parseInt(col.substring(4, 6), 16);

  return "rgb(" + r + "," + g + "," + b + ")";
 }

 return col;
}

function trimSize(size) {
 return size.replace(new RegExp('[^0-9%]', 'gi'), '');
}

function getCSSSize(size) {
 size = trimSize(size);

 if (size == "")
  return "";

 return size.indexOf('%') != -1 ? size : size + "px";
}

function getStyle(elm, attrib, style) {
 var val = tinyMCE.getAttrib(elm, attrib);

 if (val != '')
  return '' + val;

 if (typeof(style) == 'undefined')
  style = attrib;

 val = eval('elm.style.' + style);

 return val == null ? '' : '' + val;
}