  /**
   * form_utils.js
   *
   * Copyright 2009, Moxiecode Systems AB
   * Released under LGPL License.
   *
   * License: http://tinymce.moxiecode.com/license
   * Contributing: http://tinymce.moxiecode.com/contributing
   */

  var themeBaseURL = tinyMCEPopup.editor.baseURI.toAbsolute('themes/' + tinyMCEPopup.getParam("theme"));

  function getColorPickerHTML(id, target_form_element) {
      var h = "", dom = tinyMCEPopup.dom;

      if (label = dom.select('label[for=' + target_form_element + ']')[0]) {
          label.id = label.id || dom.uniqueId();
      }

      h += '<a role="button" aria-labelledby="' + id + '_label" id="' + id + '_link" href="javascript:;" onclick="tinyMCEPopup.pickColor(event,\'' + target_form_element + '\');" onmousedown="return false;" class="pickcolor">';
      h += '<span id="' + id + '" title="' + tinyMCEPopup.getLang('browse') + '">&nbsp;<span id="' + id + '_label" class="mceVoiceLabel mceIconOnly" style="display:none;">' + tinyMCEPopup.getLang('browse') + '</span></span></a>';

      return h;
  }

  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");
              tinyMCEPopup.dom.addClass(img, 'disabled');
          } else {
              if (lnk.getAttribute("realhref"))
                  lnk.setAttribute("href", lnk.getAttribute("realhref"));

              tinyMCEPopup.dom.removeClass(img, 'disabled');
          }
      }
  }

  function getBrowserHTML(id, target_form_element, type, prefix) {
      var option = prefix + "_" + type + "_browser_callback", cb, html;

      cb = tinyMCEPopup.getParam(option, tinyMCEPopup.getParam("file_browser_callback"));

      if (!cb)
          return "";

      html = "";
      html += '<a id="' + id + '_link" href="javascript:openBrowser(\'' + id + '\',\'' + target_form_element + '\', \'' + type + '\',\'' + option + '\');" onmousedown="return false;" class="browse">';
      html += '<span id="' + id + '" title="' + tinyMCEPopup.getLang('browse') + '">&nbsp;</span></a>';

      return html;
  }

  function openBrowser(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;
      if (!value)
          value = "";

      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 || elm.selectedIndex === -1)
          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 = tinyMCEPopup.getParam('theme_advanced_styles', false);
      styles = tinyMCEPopup.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 {
          tinymce.each(tinyMCEPopup.editor.dom.getClasses(), function (o) {
              styleSelectElm.options[styleSelectElm.length] = new Option(o.title || o['class'], o['class']);
          });
      }
  }

  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(/([0-9\.]+)px|(%|in|cm|mm|em|ex|pt|pc)/, '$1$2');
  }

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

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

      // Add px
      if (/^[0-9]+$/.test(size))
          size += 'px';

      return size;
  }

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

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

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

      return tinyMCEPopup.dom.getStyle(elm, style);
  }
