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jquery.wysiwyg.js
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jquery.wysiwyg.js
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/**
* WYSIWYG - jQuery plugin 0.94
* (phase 2)
*
* Copyright (c) 2008-2009 Juan M Martinez, 2010 Akzhan Abdulin and all contributors
* http://plugins.jquery.com/project/jWYSIWYG
*
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
* $Id: $
*/
/*jslint browser: true, forin: true */
/*
:TODO:
1) documentSelection || getSelection || window.getSelection ???
*/
(function($) {
/* Wysiwyg namespace: private properties and methods */
var console = (typeof(window.console) !== 'undefined') ? window.console : {
log: $.noop,
error: function(msg)
{
throw msg;
}
};
function Wysiwyg() {
this.controls = {
bold: {
groupIndex: 0,
visible: true,
tags: ["b", "strong"],
css: {
fontWeight: "bold"
},
tooltip: "Bold"
},
copy: {
groupIndex: 8,
visible: false,
tooltip: "Copy"
},
createLink: {
groupIndex: 6,
visible: true,
exec: function() {
var selection = this.documentSelection();
if (selection && selection.length > 0) {
if ($.browser.msie) {
this.focus();
this.editorDoc.execCommand("createLink", true, null);
}
else {
var szURL = prompt("URL", "http://");
if (szURL && szURL.length > 0) {
this.editorDoc.execCommand("unlink", false, null);
this.editorDoc.execCommand("createLink", false, szURL);
}
}
}
else if (this.options.messages.nonSelection) {
alert(this.options.messages.nonSelection);
}
},
tags: ["a"],
tooltip: "Create link"
},
cut: {
groupIndex: 8,
visible: false,
tooltip: "Cut"
},
decreaseFontSize: {
groupIndex: 9,
visible: false && !($.browser.msie),
tags: ["small"],
tooltip: "Decrease font size"
},
h1: {
groupIndex: 7,
visible: true,
className: "h1",
command: ($.browser.msie || $.browser.safari) ? "FormatBlock" : "heading",
"arguments": ($.browser.msie || $.browser.safari) ? "<h1>" : "h1",
tags: ["h1"],
tooltip: "Header 1"
},
h2: {
groupIndex: 7,
visible: true,
className: "h2",
command: ($.browser.msie || $.browser.safari) ? "FormatBlock" : "heading",
"arguments": ($.browser.msie || $.browser.safari) ? "<h2>" : "h2",
tags: ["h2"],
tooltip: "Header 2"
},
h3: {
groupIndex: 7,
visible: true,
className: "h3",
command: ($.browser.msie || $.browser.safari) ? "FormatBlock" : "heading",
"arguments": ($.browser.msie || $.browser.safari) ? "<h3>" : "h3",
tags: ["h3"],
tooltip: "Header 3"
},
html: {
groupIndex: 10,
visible: false,
exec: function() {
if (this.viewHTML) {
this.setContent($(this.original).val());
$(this.original).hide();
this.editor.show();
}
else {
this.saveContent();
$(this.original).css({
width: $(this.element).outerWidth() - 6,
height: $(this.element).height() - $(this.panel).height() - 6,
resize: "none"
}).show();
this.editor.hide();
}
this.viewHTML = !(this.viewHTML);
},
tooltip: "View source code"
},
increaseFontSize: {
groupIndex: 9,
visible: false && !($.browser.msie),
tags: ["big"],
tooltip: "Increase font size"
},
indent: {
groupIndex: 2,
visible: true,
tooltip: "Indent"
},
insertHorizontalRule: {
groupIndex: 6,
visible: true,
tags: ["hr"],
tooltip: "Insert Horizontal Rule"
},
insertImage: {
groupIndex: 6,
visible: true,
exec: function() {
var self = this;
if ($.wysiwyg.controls && $.wysiwyg.controls.image) {
$.wysiwyg.controls.image(this);
}
else if ($.wysiwyg.autoload) {
$.wysiwyg.autoload.control("wysiwyg.image.js", function() {
self.controls.insertImage.exec();
}
);
}
else {
console.error("$.wysiwyg.controls.image not defined. You need to include wysiwyg.image.js file");
}
},
tags: ["img"],
tooltip: "Insert image"
},
insertOrderedList: {
groupIndex: 5,
visible: true,
tags: ["ol"],
tooltip: "Insert Ordered List"
},
insertTable: {
groupIndex: 6,
visible: true,
exec: function() {
var self = this;
if ($.wysiwyg.controls && $.wysiwyg.controls.table) {
$.wysiwyg.controls.table(this);
}
else if ($.wysiwyg.autoload) {
$.wysiwyg.autoload.control("wysiwyg.table.js", function() {
self.controls.insertTable.exec();
}
);
}
else {
console.error("$.wysiwyg.controls.table not defined. You need to include wysiwyg.table.js file");
}
},
tags: ["table"],
tooltip: "Insert table"
},
insertUnorderedList: {
groupIndex: 5,
visible: true,
tags: ["ul"],
tooltip: "Insert Unordered List"
},
italic: {
groupIndex: 0,
visible: true,
tags: ["i", "em"],
css: {
fontStyle: "italic"
},
tooltip: "Italic"
},
justifyCenter: {
groupIndex: 1,
visible: true,
tags: ["center"],
css: {
textAlign: "center"
},
tooltip: "Justify Center"
},
justifyFull: {
groupIndex: 1,
visible: true,
css: {
textAlign: "justify"
},
tooltip: "Justify Full"
},
justifyLeft: {
visible: true,
groupIndex: 1,
css: {
textAlign: "left"
},
tooltip: "Justify Left"
},
justifyRight: {
groupIndex: 1,
visible: true,
css: {
textAlign: "right"
},
tooltip: "Justify Right"
},
ltr: {
groupIndex: 10,
visible: false,
exec: function() {
var selection = this.documentSelection();
if ($("<div/>").append(selection).children().length > 0) {
selection = $(selection).attr("dir", "ltr");
}
else {
selection = $("<div/>").attr("dir", "ltr").append(selection);
}
this.editorDoc.execCommand("inserthtml", false, $("<div/>").append(selection).html());
},
tooltip : "Left to Right"
},
outdent: {
groupIndex: 2,
visible: true,
tooltip: "Outdent"
},
paste: {
groupIndex: 8,
visible: false,
tooltip: "Paste"
},
redo: {
groupIndex: 4,
visible: true,
tooltip: "Redo"
},
removeFormat: {
groupIndex: 10,
visible: true,
exec: function() {
this.removeFormat();
},
tooltip: "Remove formatting"
},
rtl: {
groupIndex: 10,
visible: false,
exec: function() {
var selection = this.documentSelection();
if ($("<div/>").append(selection).children().length > 0) {
selection = $(selection).attr("dir", "rtl");
}
else {
selection = $("<div/>").attr("dir", "rtl").append(selection);
}
this.editorDoc.execCommand("inserthtml", false, $("<div/>").append(selection).html());
},
tooltip : "Right to Left"
},
strikeThrough: {
groupIndex: 0,
visible: true,
tags: ["s", "strike"],
css: {
textDecoration: "line-through"
},
tooltip: "Strike-through"
},
subscript: {
groupIndex: 3,
visible: true,
tags: ["sub"],
tooltip: "Subscript"
},
superscript: {
groupIndex: 3,
visible: true,
tags: ["sup"],
tooltip: "Superscript"
},
underline: {
groupIndex: 0,
visible: true,
tags: ["u"],
css: {
textDecoration: "underline"
},
tooltip: "Underline"
},
undo: {
groupIndex: 4,
visible: true,
tooltip: "Undo"
}
};
this.defaults = {
html: '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">STYLE_SHEET</head><body style="margin: 0px;">INITIAL_CONTENT</body></html>',
debug: false,
controls: {},
css: {},
events: {},
autoGrow: false,
autoload: {"css": ["jquery.wysiwyg.css", "jquery.wysiwyg.modal.css"]},
autoSave: true,
brIE: true, // http://code.google.com/p/jwysiwyg/issues/detail?id=15
formHeight: 270,
formWidth: 440,
i18n: false,
iFrameClass: null,
initialContent: "<p>Initial content</p>",
maxHeight: 10000, // see autoGrow
messages: {
nonSelection: "Select the text you wish to link"
},
resizeOptions: false,
rmUnusedControls: false, // https://github.com/akzhan/jwysiwyg/issues/52
rmUnwantedBr: true, // http://code.google.com/p/jwysiwyg/issues/detail?id=11
tableFiller: "Lorem ipsum"
};
this.availableControlProperties = [
"arguments",
"callback",
"className",
"command",
"css",
"custom",
"exec",
"groupIndex",
"icon",
"tags",
"tooltip",
"visible"
];
this.editor = null;
this.editorDoc = null;
this.element = null;
this.options = {};
this.original = null;
this.savedRange = null;
this.timers = [];
this.addHoverClass = function() {
$(this).addClass("wysiwyg-button-hover");
};
this.appendControls = function() {
var controls = this.parseControls();
var currentGroupIndex = 0;
var hasVisibleControls = true; // to prevent separator before first item
var i, controlName, control; // jslint wants all vars at top of function
var groups = [];
var controlsByGroup = {};
$.each(controls, function(name, c) {
var index = "empty";
if (undefined !== c.groupIndex) {
if ("" === c.groupIndex) {
index = "empty";
}
else {
index = c.groupIndex;
}
}
if (undefined === controlsByGroup[index]) {
groups.push(index);
controlsByGroup[index] = {};
}
controlsByGroup[index][name] = c;
});
groups.sort(function (a, b) { return (a - b); });
for (i = 0; i < groups.length; i++) {
for (controlName in controlsByGroup[groups[i]]) {
control = controls[controlName];
if (control.groupIndex && currentGroupIndex !== control.groupIndex) {
currentGroupIndex = control.groupIndex;
hasVisibleControls = false;
}
if (!control.visible) {
continue;
}
if (!hasVisibleControls) {
this.appendMenuSeparator();
hasVisibleControls = true;
}
if (control.custom) {
this.appendMenuCustom(
control.command || controlName,
control);
}
else {
var tooltip = control.tooltip || control.command || controlName || "";
if ($.wysiwyg.i18n) {
tooltip = $.wysiwyg.i18n.t(tooltip);
}
this.appendMenu(
control.command || controlName,
control["arguments"] || "",
control.className || control.command || controlName || "empty",
control.exec,
tooltip
);
}
}
}
};
this.appendMenu = function(cmd, args, className, fn, tooltip) {
var self = this;
args = args || [];
return $('<li role="menuitem" unselectable="on">' + (className || cmd) + "</li>")
.addClass(className || cmd)
.attr("title", tooltip)
.hover(this.addHoverClass, this.removeHoverClass)
.click(function() {
if (fn) {
fn.apply(self);
}
else {
self.focus();
self.withoutCss();
// when click <Cut>, <Copy> or <Paste> got "Access to XPConnect service denied" code: "1011"
// in Firefox untrusted JavaScript is not allowed to access the clipboard
try {
self.editorDoc.execCommand(cmd, false, args);
}
catch(e) {
console.error(e);
}
}
if (self.options.autoSave) {
self.saveContent();
}
this.blur();
self.focusEditor();
})
.appendTo(this.panel);
};
this.appendMenuCustom = function(name, control) {
var self = this;
if (control.callback) {
$(window).bind("trigger-" + name + ".wysiwyg", control.callback);
}
return $('<li role="menuitem" unselectable="on" style="background: url(\'' + control.icon + '\') no-repeat;"></li>')
.addClass("custom-command-" + name)
.addClass("wysiwyg-custom-command")
.addClass(name)
.attr("title", control.tooltip)
.hover(this.addHoverClass, this.removeHoverClass)
.click(function() {
if (control.exec) {
control.exec.apply(self);
}
else {
self.focus();
self.withoutCss();
// when click <Cut>, <Copy> or <Paste> got "Access to XPConnect service denied" code: "1011"
// in Firefox untrusted JavaScript is not allowed to access the clipboard
try {
if (control.command) {
self.editorDoc.execCommand(control.command, false, control.args);
}
}
catch(e) {
console.error(e);
}
}
if (self.options.autoSave) {
self.saveContent();
}
this.blur();
self.focusEditor();
self.triggerCallback(name);
})
.appendTo(this.panel);
};
this.appendMenuSeparator = function() {
return $('<li role="separator" class="separator"></li>').appendTo(this.panel);
};
this.checkTargets = function(element) {
var self = this;
var el;
var checkActiveStatus = function(cssProperty, cssValue) {
if (el.css(cssProperty).toString().toLowerCase() === cssValue) {
$("." + className, self.panel).addClass("active");
}
};
$.each(this.options.controls, function(name, control) {
var className = control.className || control.command || name || "empty";
var tags, elm, css;
$("." + className, self.panel).removeClass("active");
if (control.tags || (control.options && control.options.tags)) {
tags = control.tags || (control.options && control.options.tags);
elm = element;
while (elm) {
if (elm.nodeType !== 1) {
break;
}
if ($.inArray(elm.tagName.toLowerCase(), tags) !== -1) {
$("." + className, self.panel).addClass("active");
}
elm = elm.parentNode;
}
}
if (control.css || (control.options && control.options.css)) {
css = control.css || (control.options && control.options.css);
el = $(element);
while (el) {
if (el[0].nodeType !== 1) {
break;
}
$.each(css, checkActiveStatus);
el = el.parent();
}
}
});
};
this.designMode = function() {
var attempts = 3;
var self = this;
var runner = function(attempts) {
if ("on" === self.editorDoc.designMode) {
if (self.timers.designMode) {
clearTimeout(self.timers.designMode);
}
// IE needs to reget the document element (this.editorDoc) after designMode was set
if (self.innerDocument() !== self.editorDoc) {
self.initFrame();
}
return;
}
try {
self.editorDoc.designMode = "on";
}
catch(e) {
}
attempts--;
if (attempts > 0) {
self.timers.designMode = setTimeout(function() { runner(attempts); }, 100);
}
};
runner(attempts);
};
this.destroy = function() {
var i, $form = $(this.element).closest("form");
for (i = 0; i < this.timers.length; i++) {
clearTimeout(this.timers[i]);
}
// Remove bindings
$form.unbind("submit.wysiwyg", this.autoSaveFunction)
.unbind("reset.wysiwyg", this.resetFunction);
$(this.element).remove();
$.removeData(this.original, "wysiwyg");
$(this.original).show();
return this;
};
this.documentSelection = function() {
if (this.editor.get(0).contentWindow.document.selection) {
return this.editor.get(0).contentWindow.document.selection.createRange().text;
}
else {
return this.editor.get(0).contentWindow.getSelection().toString();
}
};
//not used?
this.execute = function(command, arg) {
if (typeof(arg) === "undefined") {
arg = null;
}
this.editorDoc.execCommand(command, false, arg);
};
this.extendOptions = function(options) {
var controls = {}, namesToRemove = [];
/**
* If the user set custom controls, we catch it, and merge with the
* defaults controls later.
*/
if ("object" === typeof options.controls) {
controls = options.controls;
delete options.controls;
}
options = $.extend(true, {}, this.defaults, options);
options.controls = $.extend(true, this.controls, controls);
if (options.rmUnusedControls) {
$.each(options.controls, function(controlName) {
if (!controls[controlName]) {
namesToRemove.push(controlName);
}
});
$.each(namesToRemove, function(name) {
delete options.controls[namesToRemove[name]];
});
}
return options;
};
this.focus = function() {
this.editor.get(0).contentWindow.focus();
return this;
};
this.focusEditor = function() {
if (this.savedRange !== null) {
if (window.getSelection) { //non IE and there is already a selection
var s = window.getSelection();
if (s.rangeCount > 0) {
s.removeAllRanges();
}
try {
s.addRange(this.savedRange);
}
catch(e) {
console.error(e);
}
}
else if (document.createRange) { //non IE and no selection
window.getSelection().addRange(this.savedRange);
}
else if (document.selection) { //IE
this.savedRange.select();
}
}
};
this.getContent = function() {
return $(this.innerDocument()).find("body").html();
};
this.getElementByAttributeValue = function(tagName, attributeName, attributeValue) {
var i, value, elements = this.editorDoc.getElementsByTagName(tagName);
for (i = 0; i < elements.length; i++) {
value = elements[i].getAttribute(attributeName);
if ($.browser.msie) {
/** IE add full path, so I check by the last chars. */
value = value.substr(value.length - attributeValue.length);
}
if (value === attributeValue) {
return elements[i];
}
}
return false;
};
//2 times
this.getInternalRange = function() {
var selection = this.getInternalSelection();
if (!selection) {
return null;
}
return (selection.rangeCount > 0) ? selection.getRangeAt(0) : (selection.createRange ? selection.createRange() : null);
};
// 2 times
this.getInternalSelection = function() {
return (this.editor.get(0).contentWindow.getSelection) ? this.editor.get(0).contentWindow.getSelection() : this.editor.get(0).contentDocument.selection;
};
// used once in initFrame
this.getRange = function() {
var selection = this.getSelection();
if (!selection) {
return null;
}
return (selection.rangeCount > 0) ? selection.getRangeAt(0) : (selection.createRange ? selection.createRange() : null);
};
//used once in getRange
this.getSelection = function() {
return (window.getSelection) ? window.getSelection() : document.selection;
};
// :TODO: you can type long string and letters will be hidden because of overflow
this.grow = function() {
var innerBody = $(this.innerDocument().body);
var innerHeight = $.browser.msie ? innerBody[0].scrollHeight : innerBody.height() + 2 + 20; // 2 - borders, 20 - to prevent content jumping on grow
var minHeight = this.initialHeight;
var height = Math.max(innerHeight, minHeight);
height = Math.min(height, this.options.maxHeight);
this.editor.attr("scrolling", height < this.options.maxHeight ? "no" : "auto"); // hide scrollbar firefox
innerBody.css("overflow", height < this.options.maxHeight ? "hidden" : ""); // hide scrollbar chrome
this.editor.get(0).height = height;
return this;
};
this.init = function(element, options) {
var self = this;
this.original = element;
var panel = this.panel = $('<ul role="menu" class="panel"></ul>');
var $form = $(element).closest("form");
var i, newX = element.width || element.clientWidth || 0, newY = element.height || element.clientHeight || 0;
this.options = this.extendOptions(options);
if (this.options.autoload) {
if (undefined !== $.wysiwyg.autoload) {
if (this.options.autoload.css) {
for (i = 0; i < this.options.autoload.css.length; i++) {
$.wysiwyg.autoload.css(this.options.autoload.css[i]);
}
}
}
}
if (this.options.i18n && $.wysiwyg.i18n) {
$.wysiwyg.i18n.init(this, this.options.i18n);
}
if ($.browser.msie && parseInt($.browser.version, 10) < 8) {
this.options.autoGrow = false;
}
if (newX === 0 && element.cols) {
newX = (element.cols * 8) + 21;
// fix for issue 30 ( http://github.com/akzhan/jwysiwyg/issues/issue/30 )
element.cols = 1;
}
if (newY === 0 && element.rows) {
newY = (element.rows * 16) + 16;
// fix for issue 30 ( http://github.com/akzhan/jwysiwyg/issues/issue/30 )
element.rows = 1;
}
this.editor = $(location.protocol === "https:" ? '<iframe src="javascript:false;"></iframe>' : "<iframe></iframe>").attr("frameborder", "0");
if (this.options.iFrameClass) {
this.editor.addClass(this.options.iFrameClass);
}
else {
this.editor.css({
minHeight: (newY - 6).toString() + "px",
// fix for issue 12 ( http://github.com/akzhan/jwysiwyg/issues/issue/12 )
width: (newX > 50) ? (newX - 8).toString() + "px" : ""
});
if ($.browser.msie && parseInt($.browser.version, 10) < 7) {
this.editor.css("height", newY.toString() + "px");
}
}
/**
* http://code.google.com/p/jwysiwyg/issues/detail?id=96
*/
this.editor.attr("tabindex", $(element).attr("tabindex"));
this.appendControls();
this.element = $("<div/>").addClass("wysiwyg").append(panel)
.append($("<div><!-- --></div>")
.css({
clear: "both"
}))
.append(this.editor);
if (!this.options.iFrameClass) {
this.element.css({
width: (newX > 0) ? newX.toString() + "px" : "100%"
});
}
$(element).hide().before(this.element);
this.viewHTML = false;
/**
* @link http://code.google.com/p/jwysiwyg/issues/detail?id=52
*/
this.initialContent = $(element).val();
this.initFrame();
this.autoSaveFunction = function() {
self.saveContent();
};
this.resetFunction = function() {
self.setContent(self.initialContent);
self.saveContent();
};
if (this.options.resizeOptions && $.fn.resizable) {
this.element.resizable($.extend(true, {
alsoResize: this.editor
}, this.options.resizeOptions));
}
if (this.options.autoSave) {
$form.submit(self.autoSaveFunction);
}
$form.bind("reset.wysiwyg", self.resetFunction);
};
this.initFrame = function() {
var self = this;
var style = "";
/**
* @link http://code.google.com/p/jwysiwyg/issues/detail?id=14
*/
if (this.options.css && this.options.css.constructor === String) {
style = '<link rel="stylesheet" type="text/css" media="screen" href="' + this.options.css + '"/>';
}
this.editorDoc = this.innerDocument();
this.designMode();
this.editorDoc.open();
this.editorDoc.write(
this.options.html
/**
* @link http://code.google.com/p/jwysiwyg/issues/detail?id=144
*/
.replace(/INITIAL_CONTENT/, function() {
return self.initialContent;
})
.replace(/STYLE_SHEET/, function() {
return style;
})
);
this.editorDoc.close();
if ($.browser.msie) {
/**
* Remove the horrible border it has on IE.
*/
this.timers.initFrame_IeBorder = setTimeout(function() {
$(self.editorDoc.body).css("border", "none");
}, 0);
}
$(this.editorDoc).click(function(event) {
self.checkTargets(event.target ? event.target : event.srcElement);
});
/**
* @link http://code.google.com/p/jwysiwyg/issues/detail?id=20
*/
$(this.original).focus(function() {
if ($(this).filter(":visible")) {
return;
}
self.focus();
});
this.emptyContentRegex = /^<([\w]+)[^>]*>(<br\/?>)?<\/\1>/;
$(this.editorDoc).keydown(function(event) {
if (event.keyCode === 8) { // backspace
var content = self.getContent();
if (self.emptyContentRegex.test(content)) { // if content is empty
event.stopPropagation(); // prevent remove single empty tag
return false;
}
}
return true;
});
if (!$.browser.msie) {
$(this.editorDoc).keydown(function(event) {
/* Meta for Macs. [email protected] */
if (event.ctrlKey || event.metaKey) {
switch (event.keyCode) {
case 66:
// Ctrl + B
this.execCommand("Bold", false, false);
return false;
case 73:
// Ctrl + I
this.execCommand("Italic", false, false);
return false;
case 85:
// Ctrl + U
this.execCommand("Underline", false, false);
return false;
}
}
return true;
});
}
else if (this.options.brIE) {
$(this.editorDoc).keydown(function(event) {