1133 lines
34 KiB
JavaScript
1133 lines
34 KiB
JavaScript
/**
|
|
@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 8px; 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;
|
|
$frame.width('100%').height(hgt);
|
|
|
|
// Resize the textarea. IE6 textareas have a 1px top
|
|
// & bottom margin that cannot be removed using css.
|
|
editor.$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, "<");
|
|
|
|
// 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);
|