integration/lib/cleditor/jquery.cleditor.js
changeset 146 de72873a5ddb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/integration/lib/cleditor/jquery.cleditor.js	Fri Jun 21 10:15:31 2013 +0200
@@ -0,0 +1,1132 @@
+/**
+ @preserve CLEditor WYSIWYG HTML Editor v1.3.0
+ http://premiumsoftware.net/cleditor
+ requires jQuery v1.4.2 or later
+
+ Copyright 2010, Chris Landowski, Premium Software, LLC
+ Dual licensed under the MIT or GPL Version 2 licenses.
+*/
+
+// ==ClosureCompiler==
+// @compilation_level SIMPLE_OPTIMIZATIONS
+// @output_file_name jquery.cleditor.min.js
+// ==/ClosureCompiler==
+
+(function($) {
+
+  //==============
+  // jQuery Plugin
+  //==============
+
+  $.cleditor = {
+
+    // Define the defaults used for all new cleditor instances
+    defaultOptions: {
+      width:        500, // width not including margins, borders or padding
+      height:       250, // height not including margins, borders or padding
+      controls:     // controls to add to the toolbar
+                    "bold italic underline strikethrough subscript superscript | font size " +
+                    "style | color highlight removeformat | bullets numbering | outdent " +
+                    "indent | alignleft center alignright justify | undo redo | " +
+                    "rule image link unlink | cut copy paste pastetext | print source",
+      colors:       // colors in the color popup
+                    "FFF FCC FC9 FF9 FFC 9F9 9FF CFF CCF FCF " +
+                    "CCC F66 F96 FF6 FF3 6F9 3FF 6FF 99F F9F " +
+                    "BBB F00 F90 FC6 FF0 3F3 6CC 3CF 66C C6C " +
+                    "999 C00 F60 FC3 FC0 3C0 0CC 36F 63F C3C " +
+                    "666 900 C60 C93 990 090 399 33F 60C 939 " +
+                    "333 600 930 963 660 060 366 009 339 636 " +
+                    "000 300 630 633 330 030 033 006 309 303",    
+      fonts:        // font names in the font popup
+                    "Arial,Arial Black,Comic Sans MS,Courier New,Narrow,Garamond," +
+                    "Georgia,Impact,Sans Serif,Serif,Tahoma,Trebuchet MS,Verdana",
+      sizes:        // sizes in the font size popup
+                    "1,2,3,4,5,6,7",
+      styles:       // styles in the style popup
+                    [["Paragraph", "<p>"], ["Header 1", "<h1>"], ["Header 2", "<h2>"],
+                    ["Header 3", "<h3>"],  ["Header 4","<h4>"],  ["Header 5","<h5>"],
+                    ["Header 6","<h6>"]],
+      useCSS:       false, // use CSS to style HTML when possible (not supported in ie)
+      docType:      // Document type contained within the editor
+                    '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">',
+      docCSSFile:   // CSS file used to style the document contained within the editor
+                    "", 
+      bodyStyle:    // style to assign to document body contained within the editor
+                    "margin:4px; font:10pt Arial,Verdana; cursor:text"
+    },
+
+    // Define all usable toolbar buttons - the init string property is 
+    //   expanded during initialization back into the buttons object and 
+    //   seperate object properties are created for each button.
+    //   e.g. buttons.size.title = "Font Size"
+    buttons: {
+      // name,title,command,popupName (""=use name)
+      init:
+      "bold,,|" +
+      "italic,,|" +
+      "underline,,|" +
+      "strikethrough,,|" +
+      "subscript,,|" +
+      "superscript,,|" +
+      "font,,fontname,|" +
+      "size,Font Size,fontsize,|" +
+      "style,,formatblock,|" +
+      "color,Font Color,forecolor,|" +
+      "highlight,Text Highlight Color,hilitecolor,color|" +
+      "removeformat,Remove Formatting,|" +
+      "bullets,,insertunorderedlist|" +
+      "numbering,,insertorderedlist|" +
+      "outdent,,|" +
+      "indent,,|" +
+      "alignleft,Align Text Left,justifyleft|" +
+      "center,,justifycenter|" +
+      "alignright,Align Text Right,justifyright|" +
+      "justify,,justifyfull|" +
+      "undo,,|" +
+      "redo,,|" +
+      "rule,Insert Horizontal Rule,inserthorizontalrule|" +
+      "image,Insert Image,insertimage,url|" +
+      "link,Insert Hyperlink,createlink,url|" +
+      "unlink,Remove Hyperlink,|" +
+      "cut,,|" +
+      "copy,,|" +
+      "paste,,|" +
+      "pastetext,Paste as Text,inserthtml,|" +
+      "print,,|" +
+      "source,Show Source"
+    },
+
+    // imagesPath - returns the path to the images folder
+    imagesPath: function() { return imagesPath(); }
+
+  };
+
+  // cleditor - creates a new editor for each of the matched textareas
+  $.fn.cleditor = function(options) {
+
+    // Create a new jQuery object to hold the results
+    var $result = $([]);
+
+    // Loop through all matching textareas and create the editors
+    this.each(function(idx, elem) {
+      if (elem.tagName == "TEXTAREA") {
+        var data = $.data(elem, CLEDITOR);
+        if (!data) data = new cleditor(elem, options);
+        $result = $result.add(data);
+      }
+    });
+
+    // return the new jQuery object
+    return $result;
+
+  };
+    
+  //==================
+  // Private Variables
+  //==================
+
+  var
+
+  // Misc constants
+  BACKGROUND_COLOR = "backgroundColor",
+  BUTTON           = "button",
+  BUTTON_NAME      = "buttonName",
+  CHANGE           = "change",
+  CLEDITOR         = "cleditor",
+  CLICK            = "click",
+  DISABLED         = "disabled",
+  DIV_TAG          = "<div>",
+  TRANSPARENT      = "transparent",
+  UNSELECTABLE     = "unselectable",
+
+  // Class name constants
+  MAIN_CLASS       = "cleditorMain",    // main containing div
+  TOOLBAR_CLASS    = "cleditorToolbar", // toolbar div inside main div
+  GROUP_CLASS      = "cleditorGroup",   // group divs inside the toolbar div
+  BUTTON_CLASS     = "cleditorButton",  // button divs inside group div
+  DISABLED_CLASS   = "cleditorDisabled",// disabled button divs
+  DIVIDER_CLASS    = "cleditorDivider", // divider divs inside group div
+  POPUP_CLASS      = "cleditorPopup",   // popup divs inside body
+  LIST_CLASS       = "cleditorList",    // list popup divs inside body
+  COLOR_CLASS      = "cleditorColor",   // color popup div inside body
+  PROMPT_CLASS     = "cleditorPrompt",  // prompt popup divs inside body
+  MSG_CLASS        = "cleditorMsg",     // message popup div inside body
+
+  // Test for ie
+  ie = $.browser.msie,
+  ie6 = /msie\s6/i.test(navigator.userAgent),
+
+  // Test for iPhone/iTouch/iPad
+  iOS = /iphone|ipad|ipod/i.test(navigator.userAgent),
+
+  // Popups are created once as needed and shared by all editor instances
+  popups = {},
+
+  // Used to prevent the document click event from being bound more than once
+  documentClickAssigned,
+
+  // Local copy of the buttons object
+  buttons = $.cleditor.buttons;
+
+  //===============
+  // Initialization
+  //===============
+
+  // Expand the buttons.init string back into the buttons object
+  //   and create seperate object properties for each button.
+  //   e.g. buttons.size.title = "Font Size"
+  $.each(buttons.init.split("|"), function(idx, button) {
+    var items = button.split(","), name = items[0];
+    buttons[name] = {
+      stripIndex: idx,
+      name: name,
+      title: items[1] === "" ? name.charAt(0).toUpperCase() + name.substr(1) : items[1],
+      command: items[2] === "" ? name : items[2],
+      popupName: items[3] === "" ? name : items[3]
+    };
+  });
+  delete buttons.init;
+
+  //============
+  // Constructor
+  //============
+
+  // cleditor - creates a new editor for the passed in textarea element
+  cleditor = function(area, options) {
+
+    var editor = this;
+
+    // Get the defaults and override with options
+    editor.options = options = $.extend({}, $.cleditor.defaultOptions, options);
+
+    // Hide the textarea and associate it with this editor
+    var $area = editor.$area = $(area)
+      .hide()
+      .data(CLEDITOR, editor)
+      .blur(function() {
+        // Update the iframe when the textarea loses focus
+        updateFrame(editor, true);
+      });
+
+    // Create the main container and append the textarea
+    var $main = editor.$main = $(DIV_TAG)
+      .addClass(MAIN_CLASS)
+      .width(options.width)
+      .height(options.height);
+
+    // Create the toolbar
+    var $toolbar = editor.$toolbar = $(DIV_TAG)
+      .addClass(TOOLBAR_CLASS)
+      .appendTo($main);
+
+    // Add the first group to the toolbar
+    var $group = $(DIV_TAG)
+      .addClass(GROUP_CLASS)
+      .appendTo($toolbar);
+    
+    // Add the buttons to the toolbar
+    $.each(options.controls.split(" "), function(idx, buttonName) {
+      if (buttonName === "") return true;
+
+      // Divider
+      if (buttonName == "|") {
+
+        // Add a new divider to the group
+        var $div = $(DIV_TAG)
+          .addClass(DIVIDER_CLASS)
+          .appendTo($group);
+
+        // Create a new group
+        $group = $(DIV_TAG)
+          .addClass(GROUP_CLASS)
+          .appendTo($toolbar);
+
+      }
+
+      // Button
+      else {
+        
+        // Get the button definition
+        var button = buttons[buttonName];
+
+        // Add a new button to the group
+        var $buttonDiv = $(DIV_TAG)
+          .data(BUTTON_NAME, button.name)
+          .addClass(BUTTON_CLASS)
+          .attr("title", button.title)
+          .bind(CLICK, $.proxy(buttonClick, editor))
+          .appendTo($group)
+          .hover(hoverEnter, hoverLeave);
+
+        // Prepare the button image
+        var map = {};
+        if (button.css) map = button.css;
+        else if (button.image) map.backgroundImage = imageUrl(button.image);
+        if (button.stripIndex) map.backgroundPosition = button.stripIndex * -24;
+        $buttonDiv.css(map);
+
+        // Add the unselectable attribute for ie
+        if (ie)
+          $buttonDiv.attr(UNSELECTABLE, "on");
+
+        // Create the popup
+        if (button.popupName)
+          createPopup(button.popupName, options, button.popupClass,
+            button.popupContent, button.popupHover);
+        
+      }
+
+    });
+
+    // Add the main div to the DOM and append the textarea
+    $main.insertBefore($area)
+      .append($area);
+
+    // Bind the document click event handler
+    if (!documentClickAssigned) {
+      $(document).click(function(e) {
+        // Dismiss all non-prompt popups
+        var $target = $(e.target);
+        if (!$target.add($target.parents()).is("." + PROMPT_CLASS))
+          hidePopups();
+      });
+      documentClickAssigned = true;
+    }
+
+    // Bind the window resize event when the width or height is auto or %
+    if (/auto|%/.test("" + options.width + options.height))
+      $(window).resize(function() {refresh(editor);});
+
+    // Create the iframe and resize the controls
+    refresh(editor);
+
+  };
+
+  //===============
+  // Public Methods
+  //===============
+
+  var fn = cleditor.prototype,
+
+  // Expose the following private functions as methods on the cleditor object.
+  // The closure compiler will rename the private functions. However, the
+  // exposed method names on the cleditor object will remain fixed.
+  methods = [
+    ["clear", clear],
+    ["disable", disable],
+    ["execCommand", execCommand],
+    ["focus", focus],
+    ["hidePopups", hidePopups],
+    ["sourceMode", sourceMode, true],
+    ["refresh", refresh],
+    ["select", select],
+    ["selectedHTML", selectedHTML, true],
+    ["selectedText", selectedText, true],
+    ["showMessage", showMessage],
+    ["updateFrame", updateFrame],
+    ["updateTextArea", updateTextArea]
+  ];
+
+  $.each(methods, function(idx, method) {
+    fn[method[0]] = function() {
+      var editor = this, args = [editor];
+      // using each here would cast booleans into objects!
+      for(var x = 0; x < arguments.length; x++) {args.push(arguments[x]);}
+      var result = method[1].apply(editor, args);
+      if (method[2]) return result;
+      return editor;
+    };
+  });
+
+  // change - shortcut for .bind("change", handler) or .trigger("change")
+  fn.change = function(handler) {
+    var $this = $(this);
+    return handler ? $this.bind(CHANGE, handler) : $this.trigger(CHANGE);
+  };
+
+  //===============
+  // Event Handlers
+  //===============
+
+  // buttonClick - click event handler for toolbar buttons
+  function buttonClick(e) {
+
+    var editor = this,
+        buttonDiv = e.target,
+        buttonName = $.data(buttonDiv, BUTTON_NAME),
+        button = buttons[buttonName],
+        popupName = button.popupName,
+        popup = popups[popupName];
+
+    // Check if disabled
+    if (editor.disabled || $(buttonDiv).attr(DISABLED) == DISABLED)
+      return;
+
+    // Fire the buttonClick event
+    var data = {
+      editor: editor,
+      button: buttonDiv,
+      buttonName: buttonName,
+      popup: popup,
+      popupName: popupName,
+      command: button.command,
+      useCSS: editor.options.useCSS
+    };
+
+    if (button.buttonClick && button.buttonClick(e, data) === false)
+      return false;
+
+    // Toggle source
+    if (buttonName == "source") {
+
+      // Show the iframe
+      if (sourceMode(editor)) {
+        delete editor.range;
+        editor.$area.hide();
+        editor.$frame.show();
+        buttonDiv.title = button.title;
+      }
+
+      // Show the textarea
+      else {
+        editor.$frame.hide();
+        editor.$area.show();
+        buttonDiv.title = "Show Rich Text";
+      }
+
+      // Enable or disable the toolbar buttons
+      // IE requires the timeout
+      setTimeout(function() {refreshButtons(editor);}, 100);
+
+    }
+
+    // Check for rich text mode
+    else if (!sourceMode(editor)) {
+
+      // Handle popups
+      if (popupName) {
+        var $popup = $(popup);
+
+        // URL
+        if (popupName == "url") {
+
+          // Check for selection before showing the link url popup
+          if (buttonName == "link" && selectedText(editor) === "") {
+            showMessage(editor, "A selection is required when inserting a link.", buttonDiv);
+            return false;
+          }
+
+          // Wire up the submit button click event handler
+          $popup.children(":button")
+            .unbind(CLICK)
+            .bind(CLICK, function() {
+
+              // Insert the image or link if a url was entered
+              var $text = $popup.find(":text"),
+                url = $.trim($text.val());
+              if (url !== "")
+                execCommand(editor, data.command, url, null, data.button);
+
+              // Reset the text, hide the popup and set focus
+              $text.val("http://");
+              hidePopups();
+              focus(editor);
+
+            });
+
+        }
+
+        // Paste as Text
+        else if (popupName == "pastetext") {
+
+          // Wire up the submit button click event handler
+          $popup.children(":button")
+            .unbind(CLICK)
+            .bind(CLICK, function() {
+
+              // Insert the unformatted text replacing new lines with break tags
+              var $textarea = $popup.find("textarea"),
+                text = $textarea.val().replace(/\n/g, "<br />");
+              if (text !== "")
+                execCommand(editor, data.command, text, null, data.button);
+
+              // Reset the text, hide the popup and set focus
+              $textarea.val("");
+              hidePopups();
+              focus(editor);
+
+            });
+
+        }
+
+        // Show the popup if not already showing for this button
+        if (buttonDiv !== $.data(popup, BUTTON)) {
+          showPopup(editor, popup, buttonDiv);
+          return false; // stop propagination to document click
+        }
+
+        // propaginate to documnt click
+        return;
+
+      }
+
+      // Print
+      else if (buttonName == "print")
+        editor.$frame[0].contentWindow.print();
+
+      // All other buttons
+      else if (!execCommand(editor, data.command, data.value, data.useCSS, buttonDiv))
+        return false;
+
+    }
+
+    // Focus the editor
+    focus(editor);
+
+  }
+
+  // hoverEnter - mouseenter event handler for buttons and popup items
+  function hoverEnter(e) {
+    var $div = $(e.target).closest("div");
+    $div.css(BACKGROUND_COLOR, $div.data(BUTTON_NAME) ? "#FFF" : "#FFC");
+  }
+
+  // hoverLeave - mouseleave event handler for buttons and popup items
+  function hoverLeave(e) {
+    $(e.target).closest("div").css(BACKGROUND_COLOR, "transparent");
+  }
+
+  // popupClick - click event handler for popup items
+  function popupClick(e) {
+
+    var editor = this,
+        popup = e.data.popup,
+        target = e.target;
+
+    // Check for message and prompt popups
+    if (popup === popups.msg || $(popup).hasClass(PROMPT_CLASS))
+      return;
+
+    // Get the button info
+    var buttonDiv = $.data(popup, BUTTON),
+        buttonName = $.data(buttonDiv, BUTTON_NAME),
+        button = buttons[buttonName],
+        command = button.command,
+        value,
+        useCSS = editor.options.useCSS;
+
+    // Get the command value
+    if (buttonName == "font")
+      // Opera returns the fontfamily wrapped in quotes
+      value = target.style.fontFamily.replace(/"/g, "");
+    else if (buttonName == "size") {
+      if (target.tagName == "DIV")
+        target = target.children[0];
+      value = target.innerHTML;
+    }
+    else if (buttonName == "style")
+      value = "<" + target.tagName + ">";
+    else if (buttonName == "color")
+      value = hex(target.style.backgroundColor);
+    else if (buttonName == "highlight") {
+      value = hex(target.style.backgroundColor);
+      if (ie) command = 'backcolor';
+      else useCSS = true;
+    }
+
+    // Fire the popupClick event
+    var data = {
+      editor: editor,
+      button: buttonDiv,
+      buttonName: buttonName,
+      popup: popup,
+      popupName: button.popupName,
+      command: command,
+      value: value,
+      useCSS: useCSS
+    };
+
+    if (button.popupClick && button.popupClick(e, data) === false)
+      return;
+
+    // Execute the command
+    if (data.command && !execCommand(editor, data.command, data.value, data.useCSS, buttonDiv))
+      return false;
+
+    // Hide the popup and focus the editor
+    hidePopups();
+    focus(editor);
+
+  }
+
+  //==================
+  // Private Functions
+  //==================
+
+  // checksum - returns a checksum using the Adler-32 method
+  function checksum(text)
+  {
+    var a = 1, b = 0;
+    for (var index = 0; index < text.length; ++index) {
+      a = (a + text.charCodeAt(index)) % 65521;
+      b = (b + a) % 65521;
+    }
+    return (b << 16) | a;
+  }
+
+  // clear - clears the contents of the editor
+  function clear(editor) {
+    editor.$area.val("");
+    updateFrame(editor);
+  }
+
+  // createPopup - creates a popup and adds it to the body
+  function createPopup(popupName, options, popupTypeClass, popupContent, popupHover) {
+
+    // Check if popup already exists
+    if (popups[popupName])
+      return popups[popupName];
+
+    // Create the popup
+    var $popup = $(DIV_TAG)
+      .hide()
+      .addClass(POPUP_CLASS)
+      .appendTo("body");
+
+    // Add the content
+
+    // Custom popup
+    if (popupContent)
+      $popup.html(popupContent);
+
+    // Color
+    else if (popupName == "color") {
+      var colors = options.colors.split(" ");
+      if (colors.length < 10)
+        $popup.width("auto");
+      $.each(colors, function(idx, color) {
+        $(DIV_TAG).appendTo($popup)
+          .css(BACKGROUND_COLOR, "#" + color);
+      });
+      popupTypeClass = COLOR_CLASS;
+    }
+
+    // Font
+    else if (popupName == "font")
+      $.each(options.fonts.split(","), function(idx, font) {
+        $(DIV_TAG).appendTo($popup)
+          .css("fontFamily", font)
+          .html(font);
+      });
+
+    // Size
+    else if (popupName == "size")
+      $.each(options.sizes.split(","), function(idx, size) {
+        $(DIV_TAG).appendTo($popup)
+          .html("<font size=" + size + ">" + size + "</font>");
+      });
+
+    // Style
+    else if (popupName == "style")
+      $.each(options.styles, function(idx, style) {
+        $(DIV_TAG).appendTo($popup)
+          .html(style[1] + style[0] + style[1].replace("<", "</"));
+      });
+
+    // URL
+    else if (popupName == "url") {
+      $popup.html('Enter URL:<br><input type=text value="http://" size=35><br><input type=button value="Submit">');
+      popupTypeClass = PROMPT_CLASS;
+    }
+
+    // Paste as Text
+    else if (popupName == "pastetext") {
+      $popup.html('Paste your content here and click submit.<br /><textarea cols=40 rows=3></textarea><br /><input type=button value=Submit>');
+      popupTypeClass = PROMPT_CLASS;
+    }
+
+    // Add the popup type class name
+    if (!popupTypeClass && !popupContent)
+      popupTypeClass = LIST_CLASS;
+    $popup.addClass(popupTypeClass);
+
+    // Add the unselectable attribute to all items
+    if (ie) {
+      $popup.attr(UNSELECTABLE, "on")
+        .find("div,font,p,h1,h2,h3,h4,h5,h6")
+        .attr(UNSELECTABLE, "on");
+    }
+
+    // Add the hover effect to all items
+    if ($popup.hasClass(LIST_CLASS) || popupHover === true)
+      $popup.children().hover(hoverEnter, hoverLeave);
+
+    // Add the popup to the array and return it
+    popups[popupName] = $popup[0];
+    return $popup[0];
+
+  }
+
+  // disable - enables or disables the editor
+  function disable(editor, disabled) {
+
+    // Update the textarea and save the state
+    if (disabled) {
+      editor.$area.attr(DISABLED, DISABLED);
+      editor.disabled = true;
+    }
+    else {
+      editor.$area.removeAttr(DISABLED);
+      delete editor.disabled;
+    }
+
+    // Switch the iframe into design mode.
+    // ie6 does not support designMode.
+    // ie7 & ie8 do not properly support designMode="off".
+    try {
+      if (ie) editor.doc.body.contentEditable = !disabled;
+      else editor.doc.designMode = !disabled ? "on" : "off";
+    }
+    // Firefox 1.5 throws an exception that can be ignored
+    // when toggling designMode from off to on.
+    catch (err) {}
+
+    // Enable or disable the toolbar buttons
+    refreshButtons(editor);
+
+  }
+
+  // execCommand - executes a designMode command
+  function execCommand(editor, command, value, useCSS, button) {
+
+    // Restore the current ie selection
+    restoreRange(editor);
+
+    // Set the styling method
+    if (!ie) {
+      if (useCSS === undefined || useCSS === null)
+        useCSS = editor.options.useCSS;
+      editor.doc.execCommand("styleWithCSS", 0, useCSS.toString());
+    }
+
+    // Execute the command and check for error
+    var success = true, description;
+    if (ie && command.toLowerCase() == "inserthtml")
+      getRange(editor).pasteHTML(value);
+    else {
+      try { success = editor.doc.execCommand(command, 0, value || null); }
+      catch (err) { description = err.description; success = false; }
+      if (!success) {
+        if ("cutcopypaste".indexOf(command) > -1)
+          showMessage(editor, "For security reasons, your browser does not support the " +
+            command + " command. Try using the keyboard shortcut or context menu instead.",
+            button);
+        else
+          showMessage(editor,
+            (description ? description : "Error executing the " + command + " command."),
+            button);
+      }
+    }
+
+    // Enable the buttons
+    refreshButtons(editor);
+    return success;
+
+  }
+
+  // focus - sets focus to either the textarea or iframe
+  function focus(editor) {
+    setTimeout(function() {
+      if (sourceMode(editor)) editor.$area.focus();
+      else editor.$frame[0].contentWindow.focus();
+      refreshButtons(editor);
+    }, 0);
+  }
+
+  // getRange - gets the current text range object
+  function getRange(editor) {
+    if (ie) return getSelection(editor).createRange();
+    return getSelection(editor).getRangeAt(0);
+  }
+
+  // getSelection - gets the current text range object
+  function getSelection(editor) {
+    if (ie) return editor.doc.selection;
+    return editor.$frame[0].contentWindow.getSelection();
+  }
+
+  // Returns the hex value for the passed in string.
+  //   hex("rgb(255, 0, 0)"); // #FF0000
+  //   hex("#FF0000"); // #FF0000
+  //   hex("#F00"); // #FF0000
+  function hex(s) {
+    var m = /rgba?\((\d+), (\d+), (\d+)/.exec(s),
+      c = s.split("");
+    if (m) {
+      s = ( m[1] << 16 | m[2] << 8 | m[3] ).toString(16);
+      while (s.length < 6)
+        s = "0" + s;
+    }
+    return "#" + (s.length == 6 ? s : c[1] + c[1] + c[2] + c[2] + c[3] + c[3]);
+  }
+
+  // hidePopups - hides all popups
+  function hidePopups() {
+    $.each(popups, function(idx, popup) {
+      $(popup)
+        .hide()
+        .unbind(CLICK)
+        .removeData(BUTTON);
+    });
+  }
+
+  // imagesPath - returns the path to the images folder
+  function imagesPath() {
+    var cssFile = "jquery.cleditor.css",
+        href = $("link[href$='" + cssFile +"']").attr("href");
+    return href.substr(0, href.length - cssFile.length) + "images/";
+  }
+
+  // imageUrl - Returns the css url string for a filemane
+  function imageUrl(filename) {
+    return "url(" + imagesPath() + filename + ")";
+  }
+
+  // refresh - creates the iframe and resizes the controls
+  function refresh(editor) {
+
+    var $main = editor.$main,
+      options = editor.options;
+
+    // Remove the old iframe
+    if (editor.$frame) 
+      editor.$frame.remove();
+
+    // Create a new iframe
+    var $frame = editor.$frame = $('<iframe frameborder="0" src="javascript:true;">')
+      .hide()
+      .appendTo($main);
+
+    // Load the iframe document content
+    var contentWindow = $frame[0].contentWindow,
+      doc = editor.doc = contentWindow.document,
+      $doc = $(doc);
+
+    doc.open();
+    doc.write(
+      options.docType +
+      '<html>' +
+      ((options.docCSSFile === '') ? '' : '<head><link rel="stylesheet" type="text/css" href="' + options.docCSSFile + '" /></head>') +
+      '<body style="' + options.bodyStyle + '"></body></html>'
+    );
+    doc.close();
+
+    // Work around for bug in IE which causes the editor to lose
+    // focus when clicking below the end of the document.
+    if (ie)
+      $doc.click(function() {focus(editor);});
+
+    // Load the content
+    updateFrame(editor);
+
+    // Bind the ie specific iframe event handlers
+    if (ie) {
+
+      // Save the current user selection. This code is needed since IE will
+      // reset the selection just after the beforedeactivate event and just
+      // before the beforeactivate event.
+      $doc.bind("beforedeactivate beforeactivate selectionchange keypress", function(e) {
+        
+        // Flag the editor as inactive
+        if (e.type == "beforedeactivate")
+          editor.inactive = true;
+        
+        // Get rid of the bogus selection and flag the editor as active
+        else if (e.type == "beforeactivate") {
+          if (!editor.inactive && editor.range && editor.range.length > 1)
+            editor.range.shift();
+          delete editor.inactive;
+        }
+
+        // Save the selection when the editor is active
+        else if (!editor.inactive) {
+          if (!editor.range) 
+            editor.range = [];
+          editor.range.unshift(getRange(editor));
+
+          // We only need the last 2 selections
+          while (editor.range.length > 2)
+            editor.range.pop();
+        }
+
+      });
+
+      // Restore the text range when the iframe gains focus
+      $frame.focus(function() {
+        restoreRange(editor);
+      });
+
+    }
+
+    // Update the textarea when the iframe loses focus
+    ($.browser.mozilla ? $doc : $(contentWindow)).blur(function() {
+      updateTextArea(editor, true);
+    });
+
+    // Enable the toolbar buttons as the user types or clicks
+    $doc.click(hidePopups)
+      .bind("keyup mouseup", function() {
+        refreshButtons(editor);
+      });
+
+    // Show the textarea for iPhone/iTouch/iPad or
+    // the iframe when design mode is supported.
+    if (iOS) editor.$area.show();
+    else $frame.show();
+
+    // Wait for the layout to finish - shortcut for $(document).ready()
+    $(function() {
+
+      var $toolbar = editor.$toolbar,
+          $group = $toolbar.children("div:last"),
+          wid = $main.width();
+
+      // Resize the toolbar
+      var hgt = $group.offset().top + $group.outerHeight() - $toolbar.offset().top + 1;
+      $toolbar.height(hgt);
+
+      // Resize the iframe
+      hgt = (/%/.test("" + options.height) ? $main.height() : parseInt(options.height)) - hgt;
+      $frame.width(wid).height(hgt);
+
+      // Resize the textarea. IE6 textareas have a 1px top
+      // & bottom margin that cannot be removed using css.
+      editor.$area.width(wid).height(ie6 ? hgt - 2 : hgt);
+
+      // Switch the iframe into design mode if enabled
+      disable(editor, editor.disabled);
+
+      // Enable or disable the toolbar buttons
+      refreshButtons(editor);
+
+    });
+
+  }
+
+  // refreshButtons - enables or disables buttons based on availability
+  function refreshButtons(editor) {
+
+    // Webkit requires focus before queryCommandEnabled will return anything but false
+    if (!iOS && $.browser.webkit && !editor.focused) {
+      editor.$frame[0].contentWindow.focus();
+      window.focus();
+      editor.focused = true;
+    }
+
+    // Get the object used for checking queryCommandEnabled
+    var queryObj = editor.doc;
+    if (ie) queryObj = getRange(editor);
+
+    // Loop through each button
+    var inSourceMode = sourceMode(editor);
+    $.each(editor.$toolbar.find("." + BUTTON_CLASS), function(idx, elem) {
+
+      var $elem = $(elem),
+        button = $.cleditor.buttons[$.data(elem, BUTTON_NAME)],
+        command = button.command,
+        enabled = true;
+
+      // Determine the state
+      if (editor.disabled)
+        enabled = false;
+      else if (button.getEnabled) {
+        var data = {
+          editor: editor,
+          button: elem,
+          buttonName: button.name,
+          popup: popups[button.popupName],
+          popupName: button.popupName,
+          command: button.command,
+          useCSS: editor.options.useCSS
+        };
+        enabled = button.getEnabled(data);
+        if (enabled === undefined)
+          enabled = true;
+      }
+      else if (((inSourceMode || iOS) && button.name != "source") ||
+      (ie && (command == "undo" || command == "redo")))
+        enabled = false;
+      else if (command && command != "print") {
+        if (ie && command == "hilitecolor")
+          command = "backcolor";
+        // IE does not support inserthtml, so it's always enabled
+        if (!ie || command != "inserthtml") {
+          try {enabled = queryObj.queryCommandEnabled(command);}
+          catch (err) {enabled = false;}
+        }
+      }
+
+      // Enable or disable the button
+      if (enabled) {
+        $elem.removeClass(DISABLED_CLASS);
+        $elem.removeAttr(DISABLED);
+      }
+      else {
+        $elem.addClass(DISABLED_CLASS);
+        $elem.attr(DISABLED, DISABLED);
+      }
+
+    });
+  }
+
+  // restoreRange - restores the current ie selection
+  function restoreRange(editor) {
+    if (ie && editor.range)
+      editor.range[0].select();
+  }
+
+  // select - selects all the text in either the textarea or iframe
+  function select(editor) {
+    setTimeout(function() {
+      if (sourceMode(editor)) editor.$area.select();
+      else execCommand(editor, "selectall");
+    }, 0);
+  }
+
+  // selectedHTML - returns the current HTML selection or and empty string
+  function selectedHTML(editor) {
+    restoreRange(editor);
+    var range = getRange(editor);
+    if (ie)
+      return range.htmlText;
+    var layer = $("<layer>")[0];
+    layer.appendChild(range.cloneContents());
+    var html = layer.innerHTML;
+    layer = null;
+    return html;
+  }
+
+  // selectedText - returns the current text selection or and empty string
+  function selectedText(editor) {
+    restoreRange(editor);
+    if (ie) return getRange(editor).text;
+    return getSelection(editor).toString();
+  }
+
+  // showMessage - alert replacement
+  function showMessage(editor, message, button) {
+    var popup = createPopup("msg", editor.options, MSG_CLASS);
+    popup.innerHTML = message;
+    showPopup(editor, popup, button);
+  }
+
+  // showPopup - shows a popup
+  function showPopup(editor, popup, button) {
+
+    var offset, left, top, $popup = $(popup);
+
+    // Determine the popup location
+    if (button) {
+      var $button = $(button);
+      offset = $button.offset();
+      left = --offset.left;
+      top = offset.top + $button.height();
+    }
+    else {
+      var $toolbar = editor.$toolbar;
+      offset = $toolbar.offset();
+      left = Math.floor(($toolbar.width() - $popup.width()) / 2) + offset.left;
+      top = offset.top + $toolbar.height() - 2;
+    }
+
+    // Position and show the popup
+    hidePopups();
+    $popup.css({left: left, top: top})
+      .show();
+
+    // Assign the popup button and click event handler
+    if (button) {
+      $.data(popup, BUTTON, button);
+      $popup.bind(CLICK, {popup: popup}, $.proxy(popupClick, editor));
+    }
+
+    // Focus the first input element if any
+    setTimeout(function() {
+      $popup.find(":text,textarea").eq(0).focus().select();
+    }, 100);
+
+  }
+
+  // sourceMode - returns true if the textarea is showing
+  function sourceMode(editor) {
+    return editor.$area.is(":visible");
+  }
+
+  // updateFrame - updates the iframe with the textarea contents
+  function updateFrame(editor, checkForChange) {
+    
+    var code = editor.$area.val(),
+      options = editor.options,
+      updateFrameCallback = options.updateFrame,
+      $body = $(editor.doc.body);
+
+    // Check for textarea change to avoid unnecessary firing
+    // of potentially heavy updateFrame callbacks.
+    if (updateFrameCallback) {
+      var sum = checksum(code);
+      if (checkForChange && editor.areaChecksum == sum)
+        return;
+      editor.areaChecksum = sum;
+    }
+
+    // Convert the textarea source code into iframe html
+    var html = updateFrameCallback ? updateFrameCallback(code) : code;
+
+    // Prevent script injection attacks by html encoding script tags
+    html = html.replace(/<(?=\/?script)/ig, "&lt;");
+
+    // Update the iframe checksum
+    if (options.updateTextArea)
+      editor.frameChecksum = checksum(html);
+
+    // Update the iframe and trigger the change event
+    if (html != $body.html()) {
+      $body.html(html);
+      $(editor).triggerHandler(CHANGE);
+    }
+
+  }
+
+  // updateTextArea - updates the textarea with the iframe contents
+  function updateTextArea(editor, checkForChange) {
+
+    var html = $(editor.doc.body).html(),
+      options = editor.options,
+      updateTextAreaCallback = options.updateTextArea,
+      $area = editor.$area;
+
+    // Check for iframe change to avoid unnecessary firing
+    // of potentially heavy updateTextArea callbacks.
+    if (updateTextAreaCallback) {
+      var sum = checksum(html);
+      if (checkForChange && editor.frameChecksum == sum)
+        return;
+      editor.frameChecksum = sum;
+    }
+
+    // Convert the iframe html into textarea source code
+    var code = updateTextAreaCallback ? updateTextAreaCallback(html) : html;
+
+    // Update the textarea checksum
+    if (options.updateFrame)
+      editor.areaChecksum = checksum(code);
+
+    // Update the textarea and trigger the change event
+    if (code != $area.val()) {
+      $area.val(code);
+      $(editor).triggerHandler(CHANGE);
+    }
+
+  }
+
+})(jQuery);