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editor.js
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editor.js
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(window.gloader || glow).module({
name: 'glow.widgets.Editor',
library: ['glow', '@VERSION@'],
depends: [[
'glow', '@VERSION@',
'glow.dom',
'glow.events',
'glow.widgets',
'glow.i18n',
'glow.widgets.Overlay'
]],
builder: function(glow) {
var $ = glow.dom.get, // shortcuts
events = glow.events,
$i18n = glow.i18n;
$i18n.addLocaleModule("GLOW_WIDGETS_EDITOR", "en", {
ENTER_MESSAGE : "You are about to enter a Rich Text Editor",
SKIP_LINK_TEXT : "Skip past",
LEAVE_MESSAGE : "You have left the Rich Text Editor",
BOLD_TITLE : "Bold",
BOLD_LABEL : "B",
ITALICS_TITLE : "Italics",
ITALICS_LABEL : "I",
STRIKE_TITLE : "Strikethrough",
STRIKE_LABEL : "Strike",
UNORDERED_TITLE : "Unordered list",
UNORDERED_LABEL : "unordered list",
ORDERED_TITLE : "Ordered list",
ORDERED_LABEL : "ordered list",
FORMATBLOCK_TITLE : "Text style",
FORMATBLOCK_LABEL : "text style",
HEADINGLEVELONE_TITLE : "Heading 1",
HEADINGLEVELTWO_TITLE : "Heading 2",
HEADINGLEVELTHREE_TITLE : "Heading 3",
NORMAL_TITLE : "Normal"
/*
BLOCK_TITLE : "Blockquote",
BLOCK_LABEL : "blockquote"
HEADING1_TITLE : "Heading1",
HEADING1_LABEL : "Heading1",
TOGGLE_TITLE : "toggle",
TOGGLE_LABEL : "toggle",
** DONT FORGET THE OTHER LOCAL PACKS (eg CY)
*/
});
/**
@name glow.widgets.Editor
@class
@description A Rich Text Editor to allow text formatting with form inputs.
<div class="info">Widgets must be called in a <code>glow.ready()</code> call.</div>
@constructor
@param {String|glow.dom.NodeList} textarea Textarea HTML element that the Editor replaces on your page
@param {Object} opts
@_param {String} [opts.toolset="basic"]
@param {String} [opts.theme="light"] Visual Theme
Currently supported themes are "dark" and "light".
@param {Function} [opts.onCommit] Event shortcut.
See documentation below
@_property {glow.dom.NodeList} element
@_property {glow.dom.NodeList} textarea
@_property {glow.widgets.Editor.Toolbar} toolbar
@_property {glow.widgets.Editor.EditArea} editArea
@example
var editor = new glow.widgets.Editor("#commentEntry");
@see <a href="../furtherinfo/widgets/editor/">Editor user guide</a>
*/
/**
@name glow.widgets.Editor#event:commit
@event
@description Fired whenever the associated textarea is updated by the editor.
@param {glow.events.Event} event Event Object
*/
glow.widgets.Editor = function(textarea, opts) {
textarea = $(textarea);
var editorLocaleModule = $i18n.getLocaleModule("GLOW_WIDGETS_EDITOR");
this._tools = createTools(editorLocaleModule);
opts = this._opts = glow.lang.apply(
{
toolset: "basic",
onCommit: null
},
opts
);
// interpolate context
this.element = glow.dom.create('<div class="glowCSSVERSION-editor"><p class="glowCSSVERSION-hidden">{ENTER_MESSAGE}, <a href="#endOfEditor' + endOfEditorCounter() + '" tabindex="0">{SKIP_LINK_TEXT}</a></p><div class="editor-' + (opts.theme || "light") + '"><div class="editor-state"></div></div><p id="endOfEditor' + endOfEditorCounter() + '" class="glowCSSVERSION-hidden endOfEditorCounter" tabindex="0">{LEAVE_MESSAGE}</p></div>', {interpolate : editorLocaleModule});
this.textarea = textarea;
this.toolbar = new glow.widgets.Editor.Toolbar(this);
if (this._opts.toolset == "basic") {
this.toolbar._addToolset("italics", "bold", "strike", "formatBlock", /*"blockquote",*/ "unorderedlist", "orderedlist");
}
else throw new Exception("Unknown toolset name.");
this.editArea = new glow.widgets.Editor.EditArea(this);
this.cleaner = new TagCleaner();
// Safari 2 is not enhanced
if (!isSafariTwo()) {
place.apply(this);
bindEditor.apply(this, []);
}
if (opts.onCommit){
events.addListener(this, "commit", opts.onCommit);
}
}
////
/**
@ignore
@private
@name endOfEditorCounter
@description We need to give each hidden accessibility hidden message a unique id, so to do this add a number on the end. Work out the number by counting how many of these links are already on the page.
*/
var endOfEditorCounter = function() {
return glow.dom.get('p.endOfEditorCounter').length+1;
}
/**
@ignore
@private
@name Idler
@constructor
@param {String|Object} attachTo The object to attach the idler to.
@param {String|String[]} name The event name, or names for multiple events.
@param {Number} wait The number of seconds to wait after no event occurs before the callback should run.
@param {Object} [opts] Options object
@param {Function} [opts.onFire] Function to run when this Idler fires.
@param {Number} [opts.rate] Repeat the fire event every x seconds
*/
var Idler = function(attachTo, name, wait, opts) { /*debug*///console.info("new Idler()");
opts = this._opts = glow.lang.apply(
{
onFire: function() {}
},
opts
);
var that = this;
this.attachTo = attachTo;
this.name = name;
this.wait = wait;
this.callback = opts.onFire;
this.rate = opts.rate;
this.running = false;
this.initiated = false;
if (typeof this.name.pop == "undefined") { // is it an array?
this.name = [this.name];
}
for (var i = 0, l = this.name.length; i < l; i++) {
var name = this.name[i];
glow.events.addListener(
this.attachTo,
name,
function() {
clearInterval(that.intervalId);
clearTimeout(that.timeoutId);
that._tick();
}
);
}
this._start();
}
/**
@ignore
@private
@name Idler#disabled
@function
@param {Boolean} [disabledState]
@description Sets/gets the disabled state of the Idler. When disabled, any running
timers are cancelled and no new timers can be started.
*/
Idler.prototype.disabled = function(disabledState) {
if (typeof disabledState == "undefined") {
return !this.running;
}
else {
if (disabledState) this._stop();
else this._start();
}
}
Idler.prototype._tick = function() {/*debug*///console.info("Idler._tick()");
var that = this;
this.timeoutId = setTimeout(
function() {
if (typeof that.rate != "undefined") {
that.intervalId = setInterval(that.callback, that.rate);
}
else {
that.callback();
}
},
that.wait
);
}
/**
@ignore
@private
@name Idler#_start
@function
@description Start the idler, if it is not already running.
*/
Idler.prototype._start = function() {
if (this.running) return;
this._tick();
this.running = true;
}
/**
@ignore
@private
@name Idler#_stop
@function
@description Stop the idler, if it is running.
*/
Idler.prototype._stop = function() {
if (!this.running) return;
clearInterval(this.intervalId);
clearTimeout(this.timeoutId);
this.running = false;
}
////
/**
@ignore
@private
@name place
@function
@description Positions the toolbar over the textarea.
@this glow.widgets.Editor.Toolbar
*/
function place() {
var inputOffset = this.textarea.offset();
var height = (this.textarea[0].offsetHeight > 142) ? this.textarea[0].offsetHeight : 142;
this.element.css('width', (this.textarea[0].offsetWidth-2) + 'px');
this.element.css('height', (height-2) + 'px');
}
var bindEditor = function() {
// Add the widget into the page
this.textarea.before(this.element);
// Redo height of the iframe. We need to do it here because we can only get the correct height when the element is in the page.
this.element.get('iframe').css( 'height', (parseInt(this.element.css('height'))-42) );
// Set the textarea so the user can't see it (but a screen reader can)
this.textarea.css("display", "block");
this.textarea.css("position", "absolute");
this.textarea.css("left", "-9999px");
this.textarea.css("top", "-9999px");
this.bound = true;
}
////////
glow.widgets.Editor.prototype.inject = function(html) {
this.editArea._setContent(this.cleaner.dirty(this.cleaner.clean(html)));
}
glow.widgets.Editor.prototype.commit = function() {
if (this.bound) {
$(this.textarea).val(this.cleaner.clean(this.editArea._getContent()));
}
glow.events.fire(this, "commit", {});
}
function TagCleaner(opts) {
// assumes nesting of dirty tags is always valid
// assumes no '>' in any dirty tag attributes
// assumes attributes are quoted with double-quotes, and attribute values contain no escaped double-quotes
this.opts = opts || {};
this.whitelist = ["em", "strong", "strike", "p", "br", /*"blockquote",*/ "ul", "ol", "li", "h1", "h2", "h3"]; // TODO: support tags.attributes
}
// runs before clean
TagCleaner.prototype.pretreat = function(input) {
// remove html comments
input = input.replace(/<!--[\s\S]*?-->/g, "");
// remove style tags and their contents
input = input.replace(/<style\b[\s\S]*?<\/style>/gi, "");
// remove script tags and their contents
input = input.replace(/<script\b[\s\S]*?<\/script>/gi, "");
return input
}
TagCleaner.prototype.clean = function(input) { /*debug*///console.log("TagCleaner#clean("+input+")")
var output = "",
stack = [];
input = this.pretreat(input);
//var sanity = 99;
while (input) {
//if (sanity-- == 0) throw new Error("stoopid loops");
var skip = 1; // characters
if (/^(<[^>]+>)/.test(input)) { // tag encountered
var foundTag = new TagCleaner.Tag(RegExp.$1);
this.tagClean(foundTag);
if (foundTag.clean && foundTag.opening) { // there's a clean version
output += foundTag.clean.start;
if (!foundTag.unary) stack.unshift(foundTag);
skip = foundTag.text.length;
}
else if (stack[0] && input.toLowerCase().indexOf(stack[0].end) === 0) { // found tag was closed
output += stack[0].clean.end;
skip = stack[0].end.length;
stack.shift();
}
else { // unknown tag
output += foundTag;
skip = foundTag.text.length;
}
}
else { // non-tag content
output += input.charAt(0);
}
// move ahead
input = input.substring(skip);
}
output = this.spin(output);
return output;
}
TagCleaner.prototype.dirty = function(clean) {
var dirty;
if (glow.env.gecko) { // mozilla?
dirty = clean
.replace(/<strong>/g, '<b _moz_dirty="">').replace(/<\/strong>/g, '</b>')
.replace(/<em>/g, '<i _moz_dirty="">').replace(/<\/em>/g, '</i>')
.replace(/<strike>/g, '<strike _moz_dirty="">')
;
}
else if (glow.env.ie || glow.env.opera) {
dirty = clean
.replace(/<strong>/g, '<STRONG>').replace(/<\/strong>/g, '</STRONG>')
.replace(/<em>/g, '<EM>').replace(/<\/em>/g, '</EM>')
.replace(/<strike>/g, '<STRIKE>').replace(/<\/strike>/g, '</STRIKE>')
;
}
else if (glow.env.webkit > 528) { // safari 4? TODO: same as safari 2?
dirty = clean
.replace(/<strong>/g, '<b>').replace(/<\/strong>/g, '</b>')
.replace(/<em>/g, '<i>').replace(/<\/em>/g, '</i>')
.replace(/<strike>/g, '<span class="Apple-style-span" style="text-decoration: line-through;">').replace(/<\/strike>/g, '</span>')
;
}
else if (glow.env.webkit) { // safari 3?
dirty = clean
.replace(/<strong>/g, '<span class="Apple-style-span" style="font-weight: bold;">').replace(/<\/strong>/g, '</span>')
.replace(/<em>/g, '<span class="Apple-style-span" style="font-style: italic;">').replace(/<\/em>/g, '</span>')
.replace(/<strike>/g, '<span class="Apple-style-span" style="text-decoration: line-through;">').replace(/<\/strike>/g, '</span>')
;
}
else { throw new Error("Can't be dirty: Unknown browser."); }
return dirty;
}
/**
@ignore
@private
@description A single span can become a combination of several semantic tags.
@param {TagCleaner.Tag} tag A span Tag object.
@returns {String[]} An array of [0] opening tag or tags as a string and [1] closing tag or tags as a string.
*/
TagCleaner.prototype.spanClean = function(tag) {
var clean = {start:"", end:""};
if (/\bstyle\s*=\s*"(.+)"/.test(tag.attrText.toLowerCase())) {
if (RegExp.$1.indexOf("bold") > -1) {
clean.start += "<strong>";
clean.end = "<\/strong>"+clean.end;
}
// safari needs this
if (RegExp.$1.indexOf("font-weight: normal") > -1) {
clean.start += "<\/strong>";
clean.end = "<strong>"+clean.end;
}
if (RegExp.$1.indexOf("italic") > -1) {
clean.start += "<em>";
clean.end = "<\/em>"+clean.end;
}
// safari needs this
if (RegExp.$1.indexOf("font-style: normal") > -1) {
clean.start += "<\/em>";
clean.end = "<em>"+clean.end;
}
if (RegExp.$1.indexOf("line-through") > -1) {
clean.start += "<strike>";
clean.end = "<\/strike>"+clean.end;
}
}
return clean;
}
/**
@ignore
@private
@description Given a dirty tag, add a clean tag property, if one can be found.
@param {TagCleaner.Tag} tag A dirty Tag object.
@returns {String[]} An array of [0] opening tag or tags as a string and [1] closing tag or tags as a string.
*/
TagCleaner.prototype.tagClean = function(tag) {
var clean = ["", ""];
if (tag.name == "span") clean = this.spanClean(tag);
else if (tag.name == "b") clean = {start:'<strong>', end:'<\/strong>'};
else if (tag.name == "i") clean = {start:'<em>', end:'<\/em>'};
if (clean.start) tag.clean = clean;
}
TagCleaner.Tag = function(tagText) { /*debug*///console.log("new TagCleaner.Tag("+tagText+")");
/^<(\/?)([a-zA-Z1-6]+)\b(.*)( ?\/)?>$/.exec(tagText);
this.closing = !!RegExp.$1;
this.opening = !this.closing;
this.unary = !!RegExp.$4;
this.name = RegExp.$2.toLowerCase();
this.attrText = RegExp.$3;
this.text = tagText;
// normalise case of tag names
this.start = tagText.replace(/^<(\/?)([a-zA-Z]+)\b/, "<$1"+this.name);
if (this.opening && !this.unary) {
this.end = "<\/"+this.name+">";
}
}
TagCleaner.Tag.prototype.toString = function() {
return "<" + RegExp.$1 + this.name/* + this.attrText */+ RegExp.$4 +">";
}
TagCleaner.prototype.spin = function(input) {
var whitetags = this.whitelist.join("\|");
// note: Safari 2.0.4 doesn't support unicode in regex, but can use unprintable ASCII characters, like the "Group Separator"
var allowedTags = new RegExp("<(\\/?("+whitetags+")\\b[^>]*)>", "g");
input = input.replace(allowedTags, "\x1D$1\x1D"); // hide allowed tags
input = input.replace(/<[^>]+>/g, ""); // kill all visible tags
input = input.replace(/\x1D([^\x1D]+)\x1D/g, "<$1>"); // restore allowed tags
// general final clean up...
input = input.replace(/<>/g, ""); // remove Safari droppings
return input;
}
////////
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar
@description
@constructor
@_param {glow.widgets.Editor} editor
@_param {Object} opts
*/
glow.widgets.Editor.Toolbar = function(editor, opts) {
opts = opts || {};
this.editor = editor;
this.element = glow.dom.create('<fieldset class="editor-toolbar"><ul class="editor-toolbar-tools"></ul></fieldset>');
this._tools = [];
this.editor.element.get(".editor-state").prepend(this.element);
}
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar#_addToolset
@description Quickly add several tools at once to the toolbar.
@function
@param {String} ... Either the name of a built-in set of tools,
like "fontFormatting" [TBD] and/or the predefined names of
built-in tools.
@returns {glow.widgets.Editor.Toolbar} this
@example
myToolbar._addToolset("Bold", "Italics")
.addButton("MyCustomButton", opts); // will be chainable
*/
glow.widgets.Editor.Toolbar.prototype._addToolset = function(/*arguments*/) {
var toolToAdd;
for (var i = 0, l = arguments.length; i < l; i++) {
if ( (toolToAdd = this.editor._tools[arguments[i]]) ) {
toolToAdd.opts.theme = this.editor._opts.theme; // tools inherit theme from associated editor theme
addTool.call(this, glow.widgets.Editor.Toolbar.prototype._toolFactory(toolToAdd));
}
}
// Give the toolbar one focusable button
// this.element.get('a').item(0).tabIndex = 0;
addToolbarIntoTabIndex.apply(this);
return this;
}
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar#_toolFactory
@description Factory for building different kinds of toolbar tools.
@function
@param {this.editor._tools}
@returns {glow.widgets.Editor.Toolbar.tool} this
*/
glow.widgets.Editor.Toolbar.prototype._toolFactory = function(toolToAdd, editorRef) {
var newTool;
switch(toolToAdd.type) {
case "button":
newTool = new glow.widgets.Editor.Toolbar.Button(toolToAdd.name, toolToAdd.opts);
break;
case "dropDown":
newTool = new glow.widgets.Editor.Toolbar.DropDown(toolToAdd.name, toolToAdd.opts);
break;
}
return newTool;
}
// modifies HTML in place, while preserving the cursor position
glow.widgets.Editor.blackList = {
FORM: true,
TABLE: true,
TBODY: true,
CAPTION: true,
TH: true,
TR: true,
TD: true,
SCRIPT: true,
STYLE: true,
INPUT: true,
BUTTON: true,
OBJECT: true,
EMBED: true,
SELECT: true,
// H1: true,
// H2: true,
// H3: true,
H4: true,
H5: true,
H6: true,
DIV: true,
ADDRESS: true,
// BLOCKQUOTE: true,
CENTER: true,
PRE: true,
CODE: true,
A: true,
// UL: true,
// OL: true,
// LI: true,
DL: true,
DT: true,
DD: true,
ABBR: true,
ACRONYM: true,
DFN: true,
INS: true,
DEL: true,
SAMP: true,
VAR: true,
BIG: true,
SMALL: true,
BLINK: true,
MARQUEE: true,
FONT: true,
Q: true,
U: true,
KBD: true,
SUB: true,
SUP: true,
CITE: true,
HTML: true,
BODY: true,
FIELDSET: true,
LEGEND: true,
LABEL: true,
TEXTAREA: true,
HR: true,
IMG: true,
IFRAME: true,
ILAYER: true,
LAYER: true
};
glow.widgets.Editor.prototype._rinse = function() { /*debug*///console.log("glow.widgets.Editor#_rinse()");
if (this._lastRinse == this.editArea._getContent()) return; /*debug*///console.log("rinsing");
var doc = this.editArea.contentWindow.document;
var node = doc.body;
var that = this; // keep track of me, even when recursing
function walkNode(node) {
if (node.childNodes) {
for (var i = 0; i < node.childNodes.length; i++) {
var keepStatus = glow.widgets.Editor.blackList[node.childNodes[i].nodeName];
if (node.nodeType == 1) { // an element node
if (keepStatus) {
var replacementNode = doc.createElement("SPAN");
//replacementNode.setAttribute('class', 'glow-rinsed');
replacementNode.innerHTML = that.cleaner.clean(node.childNodes[i].innerHTML+" ");
node.replaceChild(replacementNode, node.childNodes[i]);
}
else {
// it's an allowed node but we should limit external styles as much as possible
if (node.childNodes[i].nodeName == "P") node.childNodes[i].removeAttribute("style");
if (node.childNodes[i].nodeName == "SPAN") { // webkit may use font-size spans to show headings
if (/font-size/.test(node.childNodes[i].getAttribute("style"))) node.childNodes[i].removeAttribute("style");
}
walkNode(node.childNodes[i]);
}
}
}
}
else {
if (glow.widgets.Editor.blackList[node.nodeName]) {
node.parentNode.removeChild(node);
}
}
}
walkNode(node);
this._lastRinse = this.editArea._getContent();
}
/**
@ignore
@name addTool
@private
@function
@param {glow.widgets.Editor.Toolbar.Tool} toolToAdd
*/
function addTool(toolToAdd) { /*debug*///console.log("addTool("+toolToAdd+")")
toolToAdd.editor = this.editor;
this._tools.push(toolToAdd);
this.element.get(".editor-toolbar-tools").append(toolToAdd.element);
}
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar#addButton
@description
@function
@param {String} name
@param {Object} opts
*/
glow.widgets.Editor.Toolbar.prototype.addButton = function(name, opts) {
var newTool = new glow.widgets.Editor.Toolbar.Button(name, opts, this);
addTool.call(this, newTool);
return this;
}
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar#getTool
@description
@function
@param {String} name
@returns {glow.widgets.Editor.Toolbar.Tool}
*/
glow.widgets.Editor.Toolbar.prototype.getTool = function(name) {
var i = this._tools.length;
while (--i >= 0) {
if (this._tools[i].name == name) return this._tools[i];
}
}
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar#_update
@description
@function
@param {String} name
@returns {glow.widgets.Editor.Toolbar.Tool}
*/
glow.widgets.Editor.Toolbar.prototype._update = function(domPath) { /*debug*///console.log("glow.widgets.Editor.Toolbar.prototype._update("+domPath+")")
var handled = false;
for (var i = 0, l = this._tools.length; i < l; i++) {
// ***
// The dropdown has multilple tag values, so we need to do things a bit different...
// MAYBE WE SHOULD MOVE THIS INTO THE DROPDOWN OBJECT?
if(this._tools[i].type == "dropdown") {
var regex = new RegExp("/\|(" + this._tools[i].tag + ")\|/"),
domPathMatches = domPath.match(regex);
if (domPathMatches != null) {
this._tools[i].label( this._tools[i].overlayMenu.getTitleFromTag(domPathMatches[0]) );
}
else {
this._tools[i].label( "Normal" );
}
}
else if (domPath.indexOf("|"+this._tools[i].tag+"|") > -1) {
this._tools[i].activate();
handled = true;
}
else {
this._tools[i].deactivate();
}
}
return handled;
}
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar#_shortcut
@description
@function
@param {String} name
@returns {glow.widgets.Editor.Toolbar.Tool}
*/
glow.widgets.Editor.Toolbar.prototype._shortcut = function(letter) {
var i = this._tools.length;
var handled = false;
while (--i >= 0) {
if (this._tools[i].shortcut == letter) {
this._tools[i].press();
return true;
}
}
return false;
}
////////
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar.Tool
@constructor
@description Generic base class for all Tools.
*/
glow.widgets.Editor.Toolbar.Tool = function(name, opts, context) { /*debug*///console.log("glow.widgets.Editor.Toolbar.Tool("+name+", "+opts.toSource()+")")
this.name = name;
this.opts = opts || {};
this.action = this.opts.action || function(){};
this.tag = this.opts.tag;
this.command = this.opts.command;
this.shortcut = this.opts.shortcut;
this.isActive = false;
this.isEnabled = true;
if (this.opts.onDeactivate) glow.events.addListener(this, "deactivate", this.opts.onDeactivate, context);
if (this.opts.onActivate) glow.events.addListener(this, "activate", this.opts.onActivate, context);
if (this.opts.onDisable) glow.events.addListener(this, "disable", this.opts.onDisable, context);
if (this.opts.onEnable) glow.events.addListener(this, "enable", this.opts.onEnable, context);
}
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar.Tool#activate
@description
@function
*/
glow.widgets.Editor.Toolbar.Tool.prototype.activate = function() { /*debug*///console.log(this.type+".activate()");
this.isActive = true;
glow.events.fire(this, 'activate');
}
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar.Tool#deactivate
@description
@function
*/
glow.widgets.Editor.Toolbar.Tool.prototype.deactivate = function() { /*debug*///console.log(this.type+".deactivate()");
this.isActive = false;
glow.events.fire(this, 'deactivate');
}
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar.Tool#disable
@description
@function
*/
glow.widgets.Editor.Toolbar.Tool.prototype.disable = function() {
this.isEnabled = false;
glow.events.fire(this, 'disable');
}
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar.Tool#enable
@description
@function
*/
glow.widgets.Editor.Toolbar.Tool.prototype.enable = function() {
this.isEnabled = true;
glow.events.fire(this, 'enable');
}
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar.Tool#press
@description
@function
*/
glow.widgets.Editor.Toolbar.Tool.prototype.press = function() {
if (this.isEnabled) {
this.action.call(this);
if (!this.isActive && this.type == "button") this.activate();
else this.deactivate();
this.editor._lastDomPath = null; // invalidate the current dom path (this is required on some browsers that "wrap" selections) to force ondompathchange to fire when the user clicks away from the current selection
}
}
////////
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar.Button
@constructor
@extends glow.widgets.Editor.Toolbar.Tool
*/
glow.widgets.Editor.Toolbar.Button = function(name, opts) { /*debug*///console.log("new glow.widgets.Editor.Toolbar.Button("+name+", "+opts.toSource()+")")
this.Base = arguments.callee.base; this.base = this.Base.prototype;
this.Base.apply(this, arguments);
this.type = "button";
// a button's CSS classname is defined here
var buttonClass = name.toLowerCase() + "-button";
this.element = glow.dom.create('<li class="editor-toolbar-item"><span class="editor-toolbar-button"><a href="#" title="'+(opts.title || name)+'" tabindex="-1"><span class="editor-toolbar-icon '+buttonClass+'"><span>'+(opts.label || name)+'<\/span><\/span><\/a><\/span><\/li>');
// shortcuts
var toolLink = this.element.get("a");
this.icon = this.element.get(".editor-toolbar-icon");
var key_listener;
glow.events.addListener(this.icon, "mouseover", function() { if (this.isEnabled && !this.isActive) toolLink.addClass("hover"); }, this);
glow.events.addListener(toolLink, "focus", function() { if (this.isEnabled) {toolLink.addClass("hover"); key_listener = enable_key_listener(this);} }, this);
glow.events.addListener(this.icon, "mouseout", function() { toolLink.removeClass("hover"); }, this);
glow.events.addListener(toolLink, "blur", function() { toolLink.removeClass("hover"); glow.events.removeListener(key_listener);}, this);
glow.events.addListener(this, "disable", function() { toolLink.addClass("disabled"); }, this);
glow.events.addListener(this, "enable", function() { toolLink.removeClass("disabled"); }, this);
glow.events.addListener(this, "activate", function() { if (this.isEnabled) {toolLink.addClass("active");} }, this);
glow.events.addListener(this, "deactivate", function() { toolLink.removeClass("active"); }, this);
var that = this;
glow.events.addListener(this.element.get("a"), "mousedown", function() { that.press(); return false; }, this); // bind the click handler context to the Tool (not the HTMLElement)
glow.events.addListener(this.element.get("a"), "click", function() { return false; });
}
glow.lang.extend(glow.widgets.Editor.Toolbar.Button, glow.widgets.Editor.Toolbar.Tool);
/**
@ignore
@private
@name glow.widgets.Editor.Toolbar.DropDown
@constructor
@extends glow.widgets.Editor.Toolbar.Tool
*/
glow.widgets.Editor.Toolbar.DropDown = function(name, opts) { /*debug*///console.log("new glow.widgets.Editor.Toolbar.DropDown("+name+", "+opts.toSource()+")")
// this is at the begining of all the objects that extend glow.widgets.editor.toolbar.tool - is this the right way to do it?
this.Base = arguments.callee.base;
this.base = this.Base.prototype;
this.Base.apply(this, arguments);
this.type = "dropdown";
this._opts = {
title: opts.title || name,
label: opts.lable || name,
theme: opts.theme || 'light'
};
// create dropdown tool-link element
var buttonClass = name.toLowerCase() + "-dropDown"; // like: formatblock-dropDown
this.element = glow.dom.create('<li class="editor-toolbar-item"><span class="editor-toolbar-dropdown"><a href="#" title="'+this._opts.title+'" tabindex="-1"><span class="'+buttonClass+'"><span>'+this._opts.label+'<\/span><\/span><\/a><\/span><\/li>');
// shortcuts
var that = this,
toolLink = this.element.get("a");
this.icon = this.element.get(".editor-toolbar-dropdown");
// create overlaymenu child obect - this is used as the menu when the drop-down tool-link is clicked on
this.overlayMenu = new glow.widgets.Editor.Toolbar.OverlayMenu(
this,
{
menuItems: opts.menuItems,
onClick: function(e) {
// change the dropdown tool-link label
that.label(that.overlayMenu.menuItems[that.overlayMenu.selected].title);
// fire tool-link - again, this is done from the overlayMenu because the tool-link isn't being interacted with
//events.fire(that, "activate");
that.press();
//events.fire(that, "deactivate");
//that.deactivate();
if (glow.env.ie) {
that.editor.editArea.contentWindow.focus();
}
}
}
);
// getter/setter for the label of the tool-link
this.label = function(newLabel) {
if (typeof newLabel != "undefined") {
that.element.get("a span span").html(newLabel);
return this;
}
else {
return that.element.get("a span span").html();
}
}
// set the label to be the last text entry (normal text) in the overlaymenu
this.label(this.overlayMenu.menuItems[this.overlayMenu.selected].title);
// ***
// mouse events
// clicking on the tool-link opens the overlaymenu (closing the overlaymenu handled inside overlaymenu object)
glow.events.addListener(that.element.get("a"), "click", function() {
_openOverlayMenu();
return false;
});
glow.events.addListener(this.element.get("a"), "mousedown", function() { return false; });
// ***
// ***
// roll over events
glow.events.addListener(that.icon, "mouseover", function() {
if (this.isEnabled && !this.isActive) {
toolLink.addClass("hover");
}