// Hack described here http://www.telerik.com/community/forums/sharepoint-2007/full-featured-editor/paragraph-style-names-don-t-match-config.aspx
function OnClientSelectionChange(editor, args) {
  var tool = editor.getToolByName("FormatBlock");
  if (tool) {
    setTimeout(function () {
      var defaultBlockSets = [
        ["p", "Normal"],
        ["h1", "Heading 1"],
        ["h2", "Heading 2"],
        ["h3", "Heading 3"],
        ["h4", "Heading 4"],
        ["h5", "Heading 5"],
        ["menu", "Menu list"],
        ["pre", "Formatted"],
        ["address", "Address"]];

      var value = tool.get_value();

      var block = Prototype.Browser.IE
        ? defaultBlockSets.find(function (element) { return element[1] == value; })
        : [value];

      if (block) {
        var tag = block[0];
        var correctBlock = editor._paragraphs.find(function (element) { return element[0].indexOf(tag) > -1; });
        if (correctBlock) {
          tool.set_value(correctBlock[1]);
        }
      }
    }, 0);
  }
}

function OnClientModeChange(editor) {
    var url = window.location.protocol + '//' + window.location.hostname;
    var html = editor.get_html();
    var originalHtml = html;

    var lastIndexOf = window.location.pathname.lastIndexOf("/");
    var path = "";
    if (lastIndexOf !== -1) {
        path = window.location.pathname.substring(0, lastIndexOf);
    }

    if (path.indexOf("/") !== 0) {
        path = "/" + path;
    }

    var regexpWithPath = new RegExp(url + path, "gi");
    var regexpWithUrl = new RegExp(url, "gi");

    html = html.replace(regexpWithPath, "");
    html = html.replace(regexpWithUrl, "");

    if (html !== originalHtml) {
        editor.set_html(html);
        editor.saveClientState();
    }
}

function OnClientCommandExecuted(sender, args) {
  if (args.get_commandName() == "SetImageProperties") {
    replaceClearImgeDimensionsFunction();
  }
}

function replaceClearImgeDimensionsFunction(count) {
  if (!count) count = 0;
  setTimeout(function () {
      try {
          var selector = 'iframe[src^="Telerik.Web.UI.DialogHandler.aspx?DialogName=ImageProperties"]';
          $$(selector)[0].contentWindow.Telerik.Web.UI.Widgets.ImageProperties.prototype._clearImgeDimensions = function (image) {
              fixImageParameters(image, prefixes.split('|'));
          };
      } catch (e) {
          if (count < 10) {
              count++;
              replaceClearImgeDimensionsFunction(count);
          }
      }
  }, 500);
}

function fixImageParameters(image, mediaPrefixes) {

    var isMediaLink = false;

    for (var i = 0; i < mediaPrefixes.length; i++) {
        if (mediaPrefixes[i] === undefined || mediaPrefixes[i] === "") {
            continue;
        };

      var imageHost = decodeURI(window.location.protocol + "//" + window.location.hostname);

      if (new RegExp("^" + imageHost + "(.)*/" + decodeURI(mediaPrefixes[i]) + "*", "i").test(decodeURI(image.src))) {
          isMediaLink = true;
          break;
      };
    };

    if (!isMediaLink) { return; };

    _toQueryParams = function(href) {
        var result = {};

        var search = href.split("?")[1];

        if (search !== undefined) {
            var params = search.split("&");
            $sc.each(params, function(index, value) {
                var param = value.split("=");
                result[param[0]] = param[1];
            });
        };

        return result;
    };

    // This code corrects inconsistencies between image sizes set in style attribute, width and height attributes, w and h image parameters.
    var src = image.getAttribute("src");

    var params = _toQueryParams(src);

    var n = src.indexOf("?");
    if (n >= 0) {
        src = src.substr(0, n + 1);
    } else {
        src = src + "?";
    }

    for (var param in params) {
        if (params[param] === undefined || params[param] === "") {
            delete params[param];
        }
    }

    // if style
    if (image.style.height !== undefined && image.style.height !== "") {
        var height = image.style.height.replace("px", "");
        image.removeAttribute("height");
        params["h"] = height;
    }
    // else if attribute
    else if (image.attributes !== undefined && image.attributes["height"] !== undefined && image.attributes["height"] !== "") {
        image.style.height = image.attributes["height"].value + "px";
        params["h"] = image.attributes["height"].value;
    }
    // no style, no attribute
    else {
        delete params["h"];
    }

    // if style
    if (image.style.width !== undefined && image.style.width !== "") {
        var width = image.style.width.replace("px", "");
        image.removeAttribute("width");
        params["w"] = width;
    }
    // else if attribute
    else if (image.attributes !== undefined && image.attributes["width"] !== undefined && image.attributes["width"] !== "") {
        image.style.width = image.attributes["width"].value + "px";
        params["w"] = image.attributes["width"].value;
    }
    // no style, no attribute
    else {
        delete params["w"];
    }

    if ($sc.param(params) === "" && src.endsWith("?")) {
        src = src.substr(0, src.length - 1);
    } else {
        src = src + $sc.param(params);
    }

    image.setAttribute("src", src);
}

// Fix mentioned here http://www.telerik.com/community/forums/aspnet-ajax/editor/html-entity-characters-are-not-escaped-on-hyperlink-editor-email-subject.aspx
function OnClientPasteHtml(sender, args) {
  var commandName = args.get_commandName();
  var value = args.get_value();
  if (Prototype.Browser.IE && (commandName == "LinkManager" || commandName == "SetLinkProperties")) {
    if (/<a[^>]*href=['|"]mailto:.*subject=/i.test(value)) {
      var hrefMarker = 'href=';

      // quote could be ' or " depending on subject content
      var quote = value.charAt(value.indexOf(hrefMarker) + hrefMarker.length);
      var regex = new RegExp(hrefMarker + quote + 'mailto:.*subject=.*' + quote, 'i');
      var fixedValue = value.replace(regex, function (str) { return str.replace(/</g, "&lt;").replace(/>/g, "&gt;"); });
      args.set_value(fixedValue);
    }
} else if (commandName == "Paste") {
    // The StripPathsFilter() method receives as a parameter an array of strings (devided by a white space) that will be stripped from the absolute links.
    var relativeUrl = getRelativeUrl(); //returns the relative url.
    var domainUrl = window.location.protocol + '//' + window.location.host;
    if (relativeUrl) {
      var filter = new Telerik.Web.UI.Editor.StripPathsFilter([relativeUrl, domainUrl]); //strip the domain name from the absolute path

      var contentElement = document.createElement("SPAN");
      contentElement.innerHTML = value;
      var newElement = filter.getHtmlContent(contentElement);
      value = newElement.innerHTML;
      if (scForm.browser.isFirefox) {
        value = value.replace(/%7e\//ig, '~/');
      }

      args.set_value(value);  //set the modified pasted content in the editor
  }
  }

  if (Prototype.Browser.IE) {
    var helperIframe = $$("iframe[title^='Paste helper']:first")[0];
    if (helperIframe) {
        Element.setStyle(helperIframe, { width: 0, height: 0 });
    }
  }
}

function getRelativeUrl() {
  var result = window.location.href;
  if (result) {
    var query = window.location.search;
    if (query) {
      result = result.substring(0, result.length - query.length);
    }

    var slashPosition = result.lastIndexOf('/');
    if (slashPosition > -1) {
      result = result.substring(0, slashPosition + 1);
    }
  }

  return result;
}

function fixIeObjectTagBug() {
  var objects = Element.select($('Editor_contentIframe').contentWindow.document, 'object');
  var i;
  for (i = 0; i < objects.length; i++) {
    if (!objects[i].id || objects[i].id.indexOf('IE_NEEDS_AN_ID_') > -1) {
      objects[i].id = 'IE_NEEDS_AN_ID_' + i;
    }
  }
}