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jquery.cleditor.js
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/**
@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.
*/
(function($) {
//==============
// jQuery Plugin
//==============
$.cleditor = {
// Define the defaults used for all new cleditor instances
defaultOptions: {
disabled: false,
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", "|", "classname",
"style", "|", "color", "highlight", "removeformat", "|", "bullets", "numbering", "|",
"outdent", "indent", "|", "alignleft", "center", "alignright", "justify", "|", "undo",
"redo", "|", "rule", "image", "link", "unlink", "|", "cut", "copy", "paste", "pastetext",
"|", "print", "imagegallery", "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" ],
classes: // class names in the class popup
[ [ "Calibri", "font-calibri" ], [ "Courier New", "font-courier-new" ],
[ "Garamond", "font-garamond" ], [ "Georgia", "font-georgia" ],
[ "Helvetica", "font-helvetica" ], [ "Tahoma", "font-tahoma" ],
[ "Times New Roman", "font-times-new-roman" ], [ "Trebuchet Ms", "font-trebuchet-ms" ],
[ "Verdana", "font-verdana" ] ],
styles: // styles in the style popup
[ [ "Paragraph", "<p>" ], [ "Quote", "<blockquote>" ], [ "Fixed", "<pre>" ],
[ "Header 1", "<h1>" ], [ "Header 2", "<h2>" ], [ "Header 3", "<h3>" ],
[ "Header 4", "<h4>" ], [ "Header 5", "<h5>" ], [ "Header 6", "<h6>" ] ],
useCSS: true, // use CSS to style HTML when possible (not supported in ie)
docType: // Document type contained within the editor
'<!DOCTYPE html>',
docCSSFile: // CSS file used to style the document contained within the editor
[ "jquery.cleditor.editor.css" ],
script: false,
runScript: false,
galleryUploadsPath: // path used by image gallery to retrieve image information from the server.
'/file_uploads/images/'
},
// The following call-back functions on the options object do not have
// defaults, but may be set by the client.
// updateFrame: 'undefined',
// updateTextArea: 'undefined'
// 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: {
bold: {
image: "cleditorSprite bold-icon",
name: "bold",
title: "Bold",
command: "bold"
},
italic: {
image: "cleditorSprite italic-icon",
name: "italic",
title: "Italic",
command: "italic"
},
underline: {
image: "cleditorSprite underline-icon",
name: "underline",
title: "Underline",
command: "underline"
},
strikethrough: {
image: "cleditorSprite strikethrough-icon",
name: "strikethrough",
title: "Strikethrough",
command: "strikethrough"
},
subscript: {
image: "cleditorSprite subscript-icon",
name: "subscript",
title: "Subscript",
command: "subscript"
},
superscript: {
image: "cleditorSprite superscript-icon",
name: "superscript",
title: "Superscript",
command: "superscript"
},
classname: {
image: "cleditorSprite font-icon",
name: "classname",
title: "Class",
command: "surroundhtml",
popupName: "classname"
},
style: {
image: "cleditorSprite style-icon",
name: "style",
title: "Style",
command: "formatblock",
popupName: "style"
},
color: {
image: "cleditorSprite color-icon",
name: "color",
title: "Font Color",
command: "forecolor",
popupName: "color"
},
highlight: {
image: "cleditorSprite highlight-icon",
name: "highlight",
title: "Text Highlight Color",
command: "hilitecolor",
popupName: "color"
},
removeformat: {
image: "cleditorSprite removeformat-icon",
name: "removeformat",
title: "Remove Formatting",
command: "removeformat"
},
bullets: {
image: "cleditorSprite bullets-icon",
name: "bullets",
title: "Bullets",
command: "insertunorderedlist"
},
numbering: {
image: "cleditorSprite numbering-icon",
name: "numbering",
title: "Numbering",
command: "insertorderedlist"
},
outdent: {
image: "cleditorSprite outdent-icon",
name: "outdent",
title: "Outdent",
command: "outdent"
},
indent: {
image: "cleditorSprite indent-icon",
name: "indent",
title: "Indent",
command: "indent"
},
alignleft: {
image: "cleditorSprite alignleft-icon",
name: "alignleft",
title: "Align Text Left",
command: "justifyleft"
},
center: {
image: "cleditorSprite center-icon",
name: "center",
title: "Center",
command: "justifycenter"
},
alignright: {
image: "cleditorSprite alignright-icon",
name: "alignright",
title: "Align Text Right",
command: "justifyright"
},
justify: {
image: "cleditorSprite justify-icon",
name: "justify",
title: "Justify",
command: "justifyfull"
},
undo: {
image: "cleditorSprite undo-icon",
name: "undo",
title: "Undo",
command: "undo"
},
redo: {
image: "cleditorSprite redo-icon",
name: "redo",
title: "Redo",
command: "redo"
},
rule: {
image: "cleditorSprite rule-icon",
name: "rule",
title: "Insert Horizontal Rule",
command: "inserthorizontalrule"
},
image: {
image: "cleditorSprite image-icon",
name: "image",
title: "Insert Image",
command: "insertimage",
popupName: "url"
},
link: {
image: "cleditorSprite link-icon",
name: "link",
title: "Insert Hyperlink",
command: "createlink",
popupName: "url"
},
unlink: {
image: "cleditorSprite unlink-icon",
name: "unlink",
title: "Remove Hyperlink",
command: "unlink"
},
cut: {
image: "cleditorSprite cut-icon",
name: "cut",
title: "Cut",
command: "cut"
},
copy: {
image: "cleditorSprite copy-icon",
name: "copy",
title: "Copy",
command: "copy"
},
paste: {
image: "cleditorSprite paste-icon",
name: "paste",
title: "Paste",
command: "paste"
},
pastetext: {
image: "cleditorSprite pastetext-icon",
name: "pastetext",
title: "Paste as Text",
command: "inserthtml",
popupName: "pastetext"
},
print: {
image: "cleditorSprite print-icon",
name: "print",
title: "Print",
command: "print"
},
imagegallery: {
image: "cleditorSprite imagegallery-icon",
name: "imagegallery",
title: "Image Gallery",
command: "insertimage",
popupName: "imagegallery"
},
source: {
image: "cleditorSprite source-icon",
name: "source",
title: "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",
// 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
UNSELECTABLE_CLASS = "cleditorUnselectable",
// Test for ie
ie = /msie/i.test(navigator.userAgent),
ie6boxmodel = $.support.boxModel,
// Test for iPhone/iTouch/iPad
mozilla = /mozilla/i.test(navigator.userAgent),
webkit = /webkit/i.test(navigator.userAgent),
iOS = /iphone|ipad|ipod/i.test(navigator.userAgent),
// Popups are created once as needed and shared by all editor instances
popups = {},
editors = [],
// The image gallery is created once and shared by all editor instances.
imageGallery = new ImageGallery(),
// Used to prevent the document click event from being bound more than once
documentClickEventListener,
// Local copy of the buttons object
buttons = $.cleditor.buttons;
//============
// 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);
var toolBarControls = options.controls,
controlLength = toolBarControls.length;
for (var i = 0; i < controlLength; i++) {
var buttonName = toolBarControls[i];
if (buttonName === "|") {
// Divider
// Add a new divider to the group
$(DIV_TAG)
.addClass(DIVIDER_CLASS)
.appendTo($group);
// Create a new group
$group = $(DIV_TAG)
.addClass(GROUP_CLASS)
.appendTo($toolbar);
} else {
// Button
// Get the button definition
var button = buttons[buttonName];
if (typeof button === "undefined") {
throw "Button Name:" + buttonName + " is undefined";
}
// Add a new button to the group
var $buttonDiv = $(DIV_TAG)
.data(BUTTON_NAME, button.name)
.addClass(BUTTON_CLASS)
.addClass(button.image)
.attr("title", button.title)
.bind(CLICK, $.proxy(buttonClick, editor))
.appendTo($group);
// Prepare the button image
var map = {};
if (button.css) {
map = button.css;
}
$buttonDiv.css(map);
// 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 (!documentClickEventListener) {
documentClickEventListener = function(e) {
// Dismiss all non-prompt popups
var $target = $(e.target);
if (!$target.add($target.parents()).is("." + PROMPT_CLASS))
hidePopups();
}
$(document).click(documentClickEventListener);
}
// Bind the window resize event when the width or height is auto or %
if (/auto|%/.test("" + options.width + options.height)) {
editor.windowResizeListener = function() { refresh(editor); };
$(window).resize(editor.windowResizeListener);
}
editors.push(editor);
// Create the imageGallery DOM content.
imageGallery.create();
// Create the iframe and resize the controls
refresh(editor);
};
//===============
// Public Methods
//===============
// 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 ],
[ "text", text, true ],
[ "html", html, true ],
[ "content", content, true ],
[ "wordcount", wordcount, true ],
[ "select", select ],
[ "surroundHTML", surroundHTML ],
[ "pasteHTML", pasteHTML ],
[ "selectedHTML", selectedHTML, true ],
[ "selectedText", selectedText, true ],
[ "showMessage", showMessage ],
[ "updateFrame", updateFrame ],
[ "updateTextArea", updateTextArea ]
];
$.each(methods, function(idx, method) {
cleditor.prototype[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")
cleditor.prototype.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 || $(buttonDiv).attr(DISABLED) === DISABLED) {
return;
}
// Fire the buttonClick event
var data = {
editor: editor,
button: buttonDiv,
buttonName: buttonName,
popup: popup,
popupName: popupName,
command: button.command,
useCSS: editor.options.useCSS
};
// Ugh?
if (button.buttonClick && button.buttonClick(e, data) === false) {
return false;
}
// Toggle source
if (buttonName === "source") {
if (sourceMode(editor)) {
// Show the iframe
delete editor.range;
editor.$area.hide();
editor.$frame.show();
buttonDiv.title = button.title;
} else {
// Show the textarea
editor.$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);
} else if (!sourceMode(editor)) {
// Check for rich text mode
//
// 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);
});
} else if (popupName === "pastetext") {
// Paste as Text
// 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 !== "") {
pasteHTML(editor, text);
}
// Reset the text, hide the popup and set focus
$textarea.val("");
hidePopups();
focus(editor);
});
} else if (popupName === "imagegallery") {
// Show the gallery dialog.
imageGallery.show(editor);
return false;
}
// Show the popup if not already showing for this button
if (buttonDiv !== $.data(popup, BUTTON)) {
showPopup(editor, popup, buttonDiv);
return false; // stop propagination to document click
}
// propaginate to documnt click
return;
} else if (buttonName === "print") {
// Print
editor.$frame[0].contentWindow.print();
} else if (!execCommand(editor, data.command, data.value, data.useCSS, buttonDiv)) {
// All other buttons
return false;
}
}
// Focus the editor
focus(editor);
}
// 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 = $.data(buttonDiv, BUTTON_NAME),
button = buttons[buttonName],
command = button.command,
value,
useCSS = editor.options.useCSS;
// Get the command value
if (buttonName === "classname") {
value = '<span class="' + target.className + '">|</span>';
} else if (buttonName === "style") {
value = "<" + target.tagName + ">";
} else if (buttonName === "color") {
value = hex(target.style.backgroundColor);
} else if (buttonName === "highlight") {
value = hex(target.style.backgroundColor);
if (ie) {
command = 'backcolor';
} else {
useCSS = true;
}
}
// Fire the popupClick event
var data = {
editor: editor,
button: buttonDiv,
buttonName: buttonName,
popup: popup,
popupName: button.popupName,
command: command,
value: value,
useCSS: useCSS
};
if (button.popupClick && button.popupClick(e, data) === false) {
return;
}
// Execute the command
if (data.command && !execCommand(editor, data.command, data.value, data.useCSS, buttonDiv)) {
return false;
}
// Hide the popup and focus the editor
hidePopups();
focus(editor);
}
//==================
// Private Functions
//==================
// checksum - returns a checksum using the Adler-32 method
function checksum(text) {
var a = 1,
b = 0;
for (var index = 0; index < text.length; ++index) {
a = (a + text.charCodeAt(index)) % 65521;
b = (b + a) % 65521;
}
return (b << 16) | a;
}
// clear - clears the contents of the editor
function clear(editor) {
editor.$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
if (popupContent) {
// Custom popup
$popup.html(popupContent);
} else if (popupName === "color") {
// Color
var colors = options.colors,
colorsLen = colors.length,
colorIdx = 0;
if (colorsLen < 10) {
$popup.width("auto");
}
for (; colorIdx < colorsLen; colorIdx++) {
var color = colors[colorIdx];
$(DIV_TAG).appendTo($popup)
.css(BACKGROUND_COLOR, "#" + color);
}
popupTypeClass = COLOR_CLASS;
} else if (popupName === "classname") {
// Class
var classes = options.classes,
classesLen = classes.length,
classesIdx = 0;
for (; classesIdx < classesLen; classesIdx++) {
var className = classes[classesIdx];
$(DIV_TAG).appendTo($popup)
.html('<div class="' + className[1] + '">' + className[0] + '</div>');
}
} else if (popupName === "style") {
// Style
var styles = options.styles,
stylesLen = styles.length,
styleIdx = 0;
for (; styleIdx < stylesLen; styleIdx++) {
var style = styles[styleIdx];
$(DIV_TAG).appendTo($popup)
.html(style[1] + style[0] + style[1].replace("<", "</"));
}
} else if (popupName === "url") {
// URL
$popup.html('Enter URL:<br /><input type="text" value="http://" size="35" /><br /><input type="button" value="Submit" />');
popupTypeClass = PROMPT_CLASS;
} else if (popupName === "pastetext") {
// Paste as Text
$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
$popup.addClass(UNSELECTABLE_CLASS);
// 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.$area.removeAttr(DISABLED);
delete editor.disabled;
}
// Switch the iframe into design mode.
// ie6 does not support designMode.
// ie7 & ie8 do not properly support designMode="off".
try {
if (ie) {
editor.doc.body.contentEditable = !disabled;
} else {
editor.doc.designMode = !disabled ? "on" : "off";
}
} catch (err) {
// Firefox 1.5 throws an exception that can be ignored
// when toggling designMode from off to on.
}
// Enable or disable the toolbar buttons
refreshButtons(editor);
}
// execCommand - executes a designMode command
function execCommand(editor, command, value, useCSS, button) {
// Restore the current ie selection
restoreRange(editor);
// Set the styling method
if (!ie) {
if (useCSS === undefined || useCSS === null) {
useCSS = editor.options.useCSS;
}
editor.doc.execCommand("styleWithCSS", 0, useCSS.toString());
}
// Execute the command and check for error
var success = true, description;
if (command.toLowerCase() === "surroundhtml") {
var tags = value.split('|');
editor.surroundHTML(tags[0], tags[1]);
} else if (ie && command.toLowerCase() === "inserthtml") {
getRange(editor).pasteHTML(value);
} else {
try {
success = editor.doc.execCommand(command, 0, value || null);
} catch (err) {
description = err.description;
success = false;
}
if (!success) {
if ("cutcopypaste".indexOf(command) > -1) {
showMessage(editor, "For security reasons, your browser does not support the " +
command + " command. Try using the keyboard shortcut or context menu instead.",
button);
} else {
showMessage(editor,
(description ? description : "Error executing the " + command + " command."),
button);
}
}
}
// Enable the buttons
refreshButtons(editor);
return success;
}
// focus - sets focus to either the textarea or iframe
function focus(editor) {
setTimeout(function() {
if (sourceMode(editor)) {
editor.$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 = $('<iframe frameborder="0" src="javascript:true;"' + (options.runScript ? '' : ' security="restricted"') + '>')
.hide()
.appendTo($main);
// Load the iframe document content
var contentWindow = $frame[0].contentWindow;
if (!contentWindow) {
return;
}
var doc = editor.doc = contentWindow.document,
$doc = $(doc),