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Edit File : quicktags.js \| Size : 22.07 KB
/* * Quicktags * * This is the HTML editor in WordPress. It can be attached to any textarea and will * append a toolbar above it. This script is self-contained (does not require external libraries). * * Run quicktags(settings) to initialize it, where settings is an object containing up to 3 properties: * settings = { * id : 'my_id', the HTML ID of the textarea, required * buttons: '' Comma separated list of the names of the default buttons to show. Optional. * Current list of default button names: 'strong,em,link,block,del,ins,img,ul,ol,li,code,more,close'; * } * * The settings can also be a string quicktags_id. * * quicktags_id string The ID of the textarea that will be the editor canvas * buttons string Comma separated list of the default buttons names that will be shown in that instance. * * @output wp-includes/js/quicktags.js / // New edit toolbar used with permission // by Alex King // http://www.alexking.org/ / global adminpage, wpActiveEditor, quicktagsL10n, wpLink, prompt, edButtons / window.edButtons = []; / jshint ignore:start / /* * Back-compat * * Define all former global functions so plugins that hack quicktags.js directly don't cause fatal errors. / window.edAddTag = function(){}; window.edCheckOpenTags = function(){}; window.edCloseAllTags = function(){}; window.edInsertImage = function(){}; window.edInsertLink = function(){}; window.edInsertTag = function(){}; window.edLink = function(){}; window.edQuickLink = function(){}; window.edRemoveTag = function(){}; window.edShowButton = function(){}; window.edShowLinks = function(){}; window.edSpell = function(){}; window.edToolbar = function(){}; / jshint ignore:end / (function(){ // Private stuff is prefixed with an underscore. var _domReady = function(func) { var t, i, DOMContentLoaded, _tryReady; if ( typeof jQuery !== 'undefined' ) { jQuery( func ); } else { t = _domReady; t.funcs = []; t.ready = function() { if ( ! t.isReady ) { t.isReady = true; for ( i = 0; i < t.funcs.length; i++ ) { t.funcs[i](); } } }; if ( t.isReady ) { func(); } else { t.funcs.push(func); } if ( ! t.eventAttached ) { if ( document.addEventListener ) { DOMContentLoaded = function(){document.removeEventListener('DOMContentLoaded', DOMContentLoaded, false);t.ready();}; document.addEventListener('DOMContentLoaded', DOMContentLoaded, false); window.addEventListener('load', t.ready, false); } else if ( document.attachEvent ) { DOMContentLoaded = function(){if (document.readyState === 'complete'){ document.detachEvent('onreadystatechange', DOMContentLoaded);t.ready();}}; document.attachEvent('onreadystatechange', DOMContentLoaded); window.attachEvent('onload', t.ready); _tryReady = function() { try { document.documentElement.doScroll('left'); } catch(e) { setTimeout(_tryReady, 50); return; } t.ready(); }; _tryReady(); } t.eventAttached = true; } } }, _datetime = (function() { var now = new Date(), zeroise; zeroise = function(number) { var str = number.toString(); if ( str.length < 2 ) { str = '0' + str; } return str; }; return now.getUTCFullYear() + '-' + zeroise( now.getUTCMonth() + 1 ) + '-' + zeroise( now.getUTCDate() ) + 'T' + zeroise( now.getUTCHours() ) + ':' + zeroise( now.getUTCMinutes() ) + ':' + zeroise( now.getUTCSeconds() ) + '+00:00'; })(); var qt = window.QTags = function(settings) { if ( typeof(settings) === 'string' ) { settings = {id: settings}; } else if ( typeof(settings) !== 'object' ) { return false; } var t = this, id = settings.id, canvas = document.getElementById(id), name = 'qt_' + id, tb, onclick, toolbar_id, wrap, setActiveEditor; if ( !id \|\| !canvas ) { return false; } t.name = name; t.id = id; t.canvas = canvas; t.settings = settings; if ( id === 'content' && typeof(adminpage) === 'string' && ( adminpage === 'post-new-php' \|\| adminpage === 'post-php' ) ) { // Back compat hack :-( window.edCanvas = canvas; toolbar_id = 'ed_toolbar'; } else { toolbar_id = name + '_toolbar'; } tb = document.getElementById( toolbar_id ); if ( ! tb ) { tb = document.createElement('div'); tb.id = toolbar_id; tb.className = 'quicktags-toolbar'; } canvas.parentNode.insertBefore(tb, canvas); t.toolbar = tb; // Listen for click events. onclick = function(e) { e = e \|\| window.event; var target = e.target \|\| e.srcElement, visible = target.clientWidth \|\| target.offsetWidth, i; // Don't call the callback on pressing the accesskey when the button is not visible. if ( !visible ) { return; } // As long as it has the class ed_button, execute the callback. if ( / ed_button /.test(' ' + target.className + ' ') ) { // We have to reassign canvas here. t.canvas = canvas = document.getElementById(id); i = target.id.replace(name + '_', ''); if ( t.theButtons[i] ) { t.theButtons[i].callback.call(t.theButtons[i], target, canvas, t); } } }; setActiveEditor = function() { window.wpActiveEditor = id; }; wrap = document.getElementById( 'wp-' + id + '-wrap' ); if ( tb.addEventListener ) { tb.addEventListener( 'click', onclick, false ); if ( wrap ) { wrap.addEventListener( 'click', setActiveEditor, false ); } } else if ( tb.attachEvent ) { tb.attachEvent( 'onclick', onclick ); if ( wrap ) { wrap.attachEvent( 'onclick', setActiveEditor ); } } t.getButton = function(id) { return t.theButtons[id]; }; t.getButtonElement = function(id) { return document.getElementById(name + '_' + id); }; t.init = function() { _domReady( function(){ qt._buttonsInit( id ); } ); }; t.remove = function() { delete qt.instances[id]; if ( tb && tb.parentNode ) { tb.parentNode.removeChild( tb ); } }; qt.instances[id] = t; t.init(); }; function _escape( text ) { text = text \|\| ''; text = text.replace( /&([^#])(?![a-z1-4]{1,8};)/gi, '&$1' ); return text.replace( /</g, '<' ).replace( />/g, '>' ).replace( /"/g, '"' ).replace( /'/g, ''' ); } qt.instances = {}; qt.getInstance = function(id) { return qt.instances[id]; }; qt._buttonsInit = function( id ) { var t = this; function _init( instanceId ) { var canvas, name, settings, theButtons, html, ed, id, i, use, defaults = ',strong,em,link,block,del,ins,img,ul,ol,li,code,more,close,'; ed = t.instances[instanceId]; canvas = ed.canvas; name = ed.name; settings = ed.settings; html = ''; theButtons = {}; use = ''; // Set buttons. if ( settings.buttons ) { use = ','+settings.buttons+','; } for ( i in edButtons ) { if ( ! edButtons[i] ) { continue; } id = edButtons[i].id; if ( use && defaults.indexOf( ',' + id + ',' ) !== -1 && use.indexOf( ',' + id + ',' ) === -1 ) { continue; } if ( ! edButtons[i].instance \|\| edButtons[i].instance === instanceId ) { theButtons[id] = edButtons[i]; if ( edButtons[i].html ) { html += edButtons[i].html( name + '_' ); } } } if ( use && use.indexOf(',dfw,') !== -1 ) { theButtons.dfw = new qt.DFWButton(); html += theButtons.dfw.html( name + '_' ); } if ( 'rtl' === document.getElementsByTagName( 'html' )[0].dir ) { theButtons.textdirection = new qt.TextDirectionButton(); html += theButtons.textdirection.html( name + '_' ); } ed.toolbar.innerHTML = html; ed.theButtons = theButtons; if ( typeof jQuery !== 'undefined' ) { jQuery( document ).triggerHandler( 'quicktags-init', [ ed ] ); } } if ( id ) { _init( id ); } else { for ( id in t.instances ) { _init( id ); } } t.buttonsInitDone = true; }; /* * Main API function for adding a button to Quicktags * * Adds qt.Button or qt.TagButton depending on the args. The first three args are always required. * To be able to add button(s) to Quicktags, your script should be enqueued as dependent * on "quicktags" and outputted in the footer. If you are echoing JS directly from PHP, * use add_action( 'admin_print_footer_scripts', 'output_my_js', 100 ) or add_action( 'wp_footer', 'output_my_js', 100 ) * * Minimum required to add a button that calls an external function: * QTags.addButton( 'my_id', 'my button', my_callback ); * function my_callback() { alert('yeah!'); } * * Minimum required to add a button that inserts a tag: * QTags.addButton( 'my_id', 'my button', '<span>', '</span>' ); * QTags.addButton( 'my_id2', 'my button', '<br />' ); * * @param string id Required. Button HTML ID * @param string display Required. Button's value="..." * @param string\|function arg1 Required. Either a starting tag to be inserted like "<span>" or a callback that is executed when the button is clicked. * @param string arg2 Optional. Ending tag like "</span>" * @param string access_key Deprecated Not used * @param string title Optional. Button's title="..." * @param int priority Optional. Number representing the desired position of the button in the toolbar. 1 - 9 = first, 11 - 19 = second, 21 - 29 = third, etc. * @param string instance Optional. Limit the button to a specific instance of Quicktags, add to all instances if not present. * @param attr object Optional. Used to pass additional attributes. Currently supports `ariaLabel` and `ariaLabelClose` (for "close tag" state) * @return mixed null or the button object that is needed for back-compat. / qt.addButton = function( id, display, arg1, arg2, access_key, title, priority, instance, attr ) { var btn; if ( !id \|\| !display ) { return; } priority = priority \|\| 0; arg2 = arg2 \|\| ''; attr = attr \|\| {}; if ( typeof(arg1) === 'function' ) { btn = new qt.Button( id, display, access_key, title, instance, attr ); btn.callback = arg1; } else if ( typeof(arg1) === 'string' ) { btn = new qt.TagButton( id, display, arg1, arg2, access_key, title, instance, attr ); } else { return; } if ( priority === -1 ) { // Back-compat. return btn; } if ( priority > 0 ) { while ( typeof(edButtons[priority]) !== 'undefined' ) { priority++; } edButtons[priority] = btn; } else { edButtons[edButtons.length] = btn; } if ( this.buttonsInitDone ) { this._buttonsInit(); // Add the button HTML to all instances toolbars if addButton() was called too late. } }; qt.insertContent = function(content) { var sel, startPos, endPos, scrollTop, text, canvas = document.getElementById(wpActiveEditor), event; if ( !canvas ) { return false; } if ( document.selection ) { // IE. canvas.focus(); sel = document.selection.createRange(); sel.text = content; canvas.focus(); } else if ( canvas.selectionStart \|\| canvas.selectionStart === 0 ) { // FF, WebKit, Opera. text = canvas.value; startPos = canvas.selectionStart; endPos = canvas.selectionEnd; scrollTop = canvas.scrollTop; canvas.value = text.substring(0, startPos) + content + text.substring(endPos, text.length); canvas.selectionStart = startPos + content.length; canvas.selectionEnd = startPos + content.length; canvas.scrollTop = scrollTop; canvas.focus(); } else { canvas.value += content; canvas.focus(); } if ( document.createEvent ) { event = document.createEvent( 'HTMLEvents' ); event.initEvent( 'change', false, true ); canvas.dispatchEvent( event ); } else if ( canvas.fireEvent ) { canvas.fireEvent( 'onchange' ); } return true; }; // A plain, dumb button. qt.Button = function( id, display, access, title, instance, attr ) { this.id = id; this.display = display; this.access = ''; this.title = title \|\| ''; this.instance = instance \|\| ''; this.attr = attr \|\| {}; }; qt.Button.prototype.html = function(idPrefix) { var active, on, wp, title = this.title ? ' title="' + _escape( this.title ) + '"' : '', ariaLabel = this.attr && this.attr.ariaLabel ? ' aria-label="' + _escape( this.attr.ariaLabel ) + '"' : '', val = this.display ? ' value="' + _escape( this.display ) + '"' : '', id = this.id ? ' id="' + _escape( idPrefix + this.id ) + '"' : '', dfw = ( wp = window.wp ) && wp.editor && wp.editor.dfw; if ( this.id === 'fullscreen' ) { return '<button type="button"' + id + ' class="ed_button qt-dfw qt-fullscreen"' + title + ariaLabel + '></button>'; } else if ( this.id === 'dfw' ) { active = dfw && dfw.isActive() ? '' : ' disabled="disabled"'; on = dfw && dfw.isOn() ? ' active' : ''; return '<button type="button"' + id + ' class="ed_button qt-dfw' + on + '"' + title + ariaLabel + active + '></button>'; } return '<input type="button"' + id + ' class="ed_button button button-small"' + title + ariaLabel + val + ' />'; }; qt.Button.prototype.callback = function(){}; // A button that inserts HTML tag. qt.TagButton = function( id, display, tagStart, tagEnd, access, title, instance, attr ) { var t = this; qt.Button.call( t, id, display, access, title, instance, attr ); t.tagStart = tagStart; t.tagEnd = tagEnd; }; qt.TagButton.prototype = new qt.Button(); qt.TagButton.prototype.openTag = function( element, ed ) { if ( ! ed.openTags ) { ed.openTags = []; } if ( this.tagEnd ) { ed.openTags.push( this.id ); element.value = '/' + element.value; if ( this.attr.ariaLabelClose ) { element.setAttribute( 'aria-label', this.attr.ariaLabelClose ); } } }; qt.TagButton.prototype.closeTag = function( element, ed ) { var i = this.isOpen(ed); if ( i !== false ) { ed.openTags.splice( i, 1 ); } element.value = this.display; if ( this.attr.ariaLabel ) { element.setAttribute( 'aria-label', this.attr.ariaLabel ); } }; // Whether a tag is open or not. Returns false if not open, or current open depth of the tag. qt.TagButton.prototype.isOpen = function (ed) { var t = this, i = 0, ret = false; if ( ed.openTags ) { while ( ret === false && i < ed.openTags.length ) { ret = ed.openTags[i] === t.id ? i : false; i ++; } } else { ret = false; } return ret; }; qt.TagButton.prototype.callback = function(element, canvas, ed) { var t = this, startPos, endPos, cursorPos, scrollTop, v = canvas.value, l, r, i, sel, endTag = v ? t.tagEnd : '', event; if ( document.selection ) { // IE. canvas.focus(); sel = document.selection.createRange(); if ( sel.text.length > 0 ) { if ( !t.tagEnd ) { sel.text = sel.text + t.tagStart; } else { sel.text = t.tagStart + sel.text + endTag; } } else { if ( !t.tagEnd ) { sel.text = t.tagStart; } else if ( t.isOpen(ed) === false ) { sel.text = t.tagStart; t.openTag(element, ed); } else { sel.text = endTag; t.closeTag(element, ed); } } canvas.focus(); } else if ( canvas.selectionStart \|\| canvas.selectionStart === 0 ) { // FF, WebKit, Opera. startPos = canvas.selectionStart; endPos = canvas.selectionEnd; if ( startPos < endPos && v.charAt( endPos - 1 ) === '\n' ) { endPos -= 1; } cursorPos = endPos; scrollTop = canvas.scrollTop; l = v.substring(0, startPos); // Left of the selection. r = v.substring(endPos, v.length); // Right of the selection. i = v.substring(startPos, endPos); // Inside the selection. if ( startPos !== endPos ) { if ( !t.tagEnd ) { canvas.value = l + i + t.tagStart + r; // Insert self-closing tags after the selection. cursorPos += t.tagStart.length; } else { canvas.value = l + t.tagStart + i + endTag + r; cursorPos += t.tagStart.length + endTag.length; } } else { if ( !t.tagEnd ) { canvas.value = l + t.tagStart + r; cursorPos = startPos + t.tagStart.length; } else if ( t.isOpen(ed) === false ) { canvas.value = l + t.tagStart + r; t.openTag(element, ed); cursorPos = startPos + t.tagStart.length; } else { canvas.value = l + endTag + r; cursorPos = startPos + endTag.length; t.closeTag(element, ed); } } canvas.selectionStart = cursorPos; canvas.selectionEnd = cursorPos; canvas.scrollTop = scrollTop; canvas.focus(); } else { // Other browsers? if ( !endTag ) { canvas.value += t.tagStart; } else if ( t.isOpen(ed) !== false ) { canvas.value += t.tagStart; t.openTag(element, ed); } else { canvas.value += endTag; t.closeTag(element, ed); } canvas.focus(); } if ( document.createEvent ) { event = document.createEvent( 'HTMLEvents' ); event.initEvent( 'change', false, true ); canvas.dispatchEvent( event ); } else if ( canvas.fireEvent ) { canvas.fireEvent( 'onchange' ); } }; // Removed. qt.SpellButton = function() {}; // The close tags button. qt.CloseButton = function() { qt.Button.call( this, 'close', quicktagsL10n.closeTags, '', quicktagsL10n.closeAllOpenTags ); }; qt.CloseButton.prototype = new qt.Button(); qt._close = function(e, c, ed) { var button, element, tbo = ed.openTags; if ( tbo ) { while ( tbo.length > 0 ) { button = ed.getButton(tbo[tbo.length - 1]); element = document.getElementById(ed.name + '_' + button.id); if ( e ) { button.callback.call(button, element, c, ed); } else { button.closeTag(element, ed); } } } }; qt.CloseButton.prototype.callback = qt._close; qt.closeAllTags = function( editor_id ) { var ed = this.getInstance( editor_id ); if ( ed ) { qt._close( '', ed.canvas, ed ); } }; // The link button. qt.LinkButton = function() { var attr = { ariaLabel: quicktagsL10n.link }; qt.TagButton.call( this, 'link', 'link', '', '</a>', '', '', '', attr ); }; qt.LinkButton.prototype = new qt.TagButton(); qt.LinkButton.prototype.callback = function(e, c, ed, defaultValue) { var URL, t = this; if ( typeof wpLink !== 'undefined' ) { wpLink.open( ed.id ); return; } if ( ! defaultValue ) { defaultValue = 'http://'; } if ( t.isOpen(ed) === false ) { URL = prompt( quicktagsL10n.enterURL, defaultValue ); if ( URL ) { t.tagStart = '<a href="' + URL + '">'; qt.TagButton.prototype.callback.call(t, e, c, ed); } } else { qt.TagButton.prototype.callback.call(t, e, c, ed); } }; // The img button. qt.ImgButton = function() { var attr = { ariaLabel: quicktagsL10n.image }; qt.TagButton.call( this, 'img', 'img', '', '', '', '', '', attr ); }; qt.ImgButton.prototype = new qt.TagButton(); qt.ImgButton.prototype.callback = function(e, c, ed, defaultValue) { if ( ! defaultValue ) { defaultValue = 'http://'; } var src = prompt(quicktagsL10n.enterImageURL, defaultValue), alt; if ( src ) { alt = prompt(quicktagsL10n.enterImageDescription, ''); this.tagStart = '<img src="' + src + '" alt="' + alt + '" />'; qt.TagButton.prototype.callback.call(this, e, c, ed); } }; qt.DFWButton = function() { qt.Button.call( this, 'dfw', '', 'f', quicktagsL10n.dfw ); }; qt.DFWButton.prototype = new qt.Button(); qt.DFWButton.prototype.callback = function() { var wp; if ( ! ( wp = window.wp ) \|\| ! wp.editor \|\| ! wp.editor.dfw ) { return; } window.wp.editor.dfw.toggle(); }; qt.TextDirectionButton = function() { qt.Button.call( this, 'textdirection', quicktagsL10n.textdirection, '', quicktagsL10n.toggleTextdirection ); }; qt.TextDirectionButton.prototype = new qt.Button(); qt.TextDirectionButton.prototype.callback = function(e, c) { var isRTL = ( 'rtl' === document.getElementsByTagName('html')[0].dir ), currentDirection = c.style.direction; if ( ! currentDirection ) { currentDirection = ( isRTL ) ? 'rtl' : 'ltr'; } c.style.direction = ( 'rtl' === currentDirection ) ? 'ltr' : 'rtl'; c.focus(); }; // Ensure backward compatibility. edButtons[10] = new qt.TagButton( 'strong', 'b', '<strong>', '</strong>', '', '', '', { ariaLabel: quicktagsL10n.strong, ariaLabelClose: quicktagsL10n.strongClose } ); edButtons[20] = new qt.TagButton( 'em', 'i', '<em>', '</em>', '', '', '', { ariaLabel: quicktagsL10n.em, ariaLabelClose: quicktagsL10n.emClose } ); edButtons[30] = new qt.LinkButton(); // Special case. edButtons[40] = new qt.TagButton( 'block', 'b-quote', '\n\n<blockquote>', '</blockquote>\n\n', '', '', '', { ariaLabel: quicktagsL10n.blockquote, ariaLabelClose: quicktagsL10n.blockquoteClose } ); edButtons[50] = new qt.TagButton( 'del', 'del', '<del datetime="' + _datetime + '">', '</del>', '', '', '', { ariaLabel: quicktagsL10n.del, ariaLabelClose: quicktagsL10n.delClose } ); edButtons[60] = new qt.TagButton( 'ins', 'ins', '<ins datetime="' + _datetime + '">', '</ins>', '', '', '', { ariaLabel: quicktagsL10n.ins, ariaLabelClose: quicktagsL10n.insClose } ); edButtons[70] = new qt.ImgButton(); // Special case. edButtons[80] = new qt.TagButton( 'ul', 'ul', '<ul>\n', '</ul>\n\n', '', '', '', { ariaLabel: quicktagsL10n.ul, ariaLabelClose: quicktagsL10n.ulClose } ); edButtons[90] = new qt.TagButton( 'ol', 'ol', '<ol>\n', '</ol>\n\n', '', '', '', { ariaLabel: quicktagsL10n.ol, ariaLabelClose: quicktagsL10n.olClose } ); edButtons[100] = new qt.TagButton( 'li', 'li', '\t<li>', '</li>\n', '', '', '', { ariaLabel: quicktagsL10n.li, ariaLabelClose: quicktagsL10n.liClose } ); edButtons[110] = new qt.TagButton( 'code', 'code', '<code>', '</code>', '', '', '', { ariaLabel: quicktagsL10n.code, ariaLabelClose: quicktagsL10n.codeClose } ); edButtons[120] = new qt.TagButton( 'more', 'more', '<!--more-->\n\n', '', '', '', '', { ariaLabel: quicktagsL10n.more } ); edButtons[140] = new qt.CloseButton(); })(); /* * Initialize new instance of the Quicktags editor / window.quicktags = function(settings) { return new window.QTags(settings); }; /* * Inserts content at the caret in the active editor (textarea) * * Added for back compatibility * @see QTags.insertContent() / window.edInsertContent = function(bah, txt) { return window.QTags.insertContent(txt); }; /* * Adds a button to all instances of the editor * * Added for back compatibility, use QTags.addButton() as it gives more flexibility like type of button, button placement, etc. * @see QTags.addButton() */ window.edButton = function(id, display, tagStart, tagEnd, access) { return window.QTags.addButton( id, display, tagStart, tagEnd, access, '', -1 ); }; Back

Edit File : quicktags.js | Size : 22.07 KB

/*
 * Quicktags
 *
 * This is the HTML editor in WordPress. It can be attached to any textarea and will
 * append a toolbar above it. This script is self-contained (does not require external libraries).
 *
 * Run quicktags(settings) to initialize it, where settings is an object containing up to 3 properties:
 * settings = {
 *   id : 'my_id',          the HTML ID of the textarea, required
 *   buttons: ''            Comma separated list of the names of the default buttons to show. Optional.
 *                          Current list of default button names: 'strong,em,link,block,del,ins,img,ul,ol,li,code,more,close';
 * }
 *
 * The settings can also be a string quicktags_id.
 *
 * quicktags_id string The ID of the textarea that will be the editor canvas
 * buttons string Comma separated list of the default buttons names that will be shown in that instance.
 *
 * @output wp-includes/js/quicktags.js
 */

// New edit toolbar used with permission
// by Alex King
// http://www.alexking.org/

/* global adminpage, wpActiveEditor, quicktagsL10n, wpLink, prompt, edButtons */

window.edButtons = [];

/* jshint ignore:start */

/**
 * Back-compat
 *
 * Define all former global functions so plugins that hack quicktags.js directly don't cause fatal errors.
 */
window.edAddTag = function(){};
window.edCheckOpenTags = function(){};
window.edCloseAllTags = function(){};
window.edInsertImage = function(){};
window.edInsertLink = function(){};
window.edInsertTag = function(){};
window.edLink = function(){};
window.edQuickLink = function(){};
window.edRemoveTag = function(){};
window.edShowButton = function(){};
window.edShowLinks = function(){};
window.edSpell = function(){};
window.edToolbar = function(){};

/* jshint ignore:end */

(function(){
	// Private stuff is prefixed with an underscore.
	var _domReady = function(func) {
		var t, i, DOMContentLoaded, _tryReady;

if ( typeof jQuery !== 'undefined' ) {
			jQuery( func );
		} else {
			t = _domReady;
			t.funcs = [];

t.ready = function() {
				if ( ! t.isReady ) {
					t.isReady = true;
					for ( i = 0; i < t.funcs.length; i++ ) {
						t.funcs[i]();
					}
				}
			};

if ( t.isReady ) {
				func();
			} else {
				t.funcs.push(func);
			}

if ( ! t.eventAttached ) {
				if ( document.addEventListener ) {
					DOMContentLoaded = function(){document.removeEventListener('DOMContentLoaded', DOMContentLoaded, false);t.ready();};
					document.addEventListener('DOMContentLoaded', DOMContentLoaded, false);
					window.addEventListener('load', t.ready, false);
				} else if ( document.attachEvent ) {
					DOMContentLoaded = function(){if (document.readyState === 'complete'){ document.detachEvent('onreadystatechange', DOMContentLoaded);t.ready();}};
					document.attachEvent('onreadystatechange', DOMContentLoaded);
					window.attachEvent('onload', t.ready);

_tryReady = function() {
						try {
							document.documentElement.doScroll('left');
						} catch(e) {
							setTimeout(_tryReady, 50);
							return;
						}

t.ready();
					};
					_tryReady();
				}

t.eventAttached = true;
			}
		}
	},

_datetime = (function() {
		var now = new Date(), zeroise;

zeroise = function(number) {
			var str = number.toString();

if ( str.length < 2 ) {
				str = '0' + str;
			}

return str;
		};

return now.getUTCFullYear() + '-' +
			zeroise( now.getUTCMonth() + 1 ) + '-' +
			zeroise( now.getUTCDate() ) + 'T' +
			zeroise( now.getUTCHours() ) + ':' +
			zeroise( now.getUTCMinutes() ) + ':' +
			zeroise( now.getUTCSeconds() ) +
			'+00:00';
	})();

var qt = window.QTags = function(settings) {
		if ( typeof(settings) === 'string' ) {
			settings = {id: settings};
		} else if ( typeof(settings) !== 'object' ) {
			return false;
		}

var t = this,
			id = settings.id,
			canvas = document.getElementById(id),
			name = 'qt_' + id,
			tb, onclick, toolbar_id, wrap, setActiveEditor;

if ( !id || !canvas ) {
			return false;
		}

t.name = name;
		t.id = id;
		t.canvas = canvas;
		t.settings = settings;

if ( id === 'content' && typeof(adminpage) === 'string' && ( adminpage === 'post-new-php' || adminpage === 'post-php' ) ) {
			// Back compat hack :-(
			window.edCanvas = canvas;
			toolbar_id = 'ed_toolbar';
		} else {
			toolbar_id = name + '_toolbar';
		}

tb = document.getElementById( toolbar_id );

if ( ! tb ) {
			tb = document.createElement('div');
			tb.id = toolbar_id;
			tb.className = 'quicktags-toolbar';
		}

canvas.parentNode.insertBefore(tb, canvas);
		t.toolbar = tb;

// Listen for click events.
		onclick = function(e) {
			e = e || window.event;
			var target = e.target || e.srcElement, visible = target.clientWidth || target.offsetWidth, i;

// Don't call the callback on pressing the accesskey when the button is not visible.
			if ( !visible ) {
				return;
			}

// As long as it has the class ed_button, execute the callback.
			if ( / ed_button /.test(' ' + target.className + ' ') ) {
				// We have to reassign canvas here.
				t.canvas = canvas = document.getElementById(id);
				i = target.id.replace(name + '_', '');

if ( t.theButtons[i] ) {
					t.theButtons[i].callback.call(t.theButtons[i], target, canvas, t);
				}
			}
		};

setActiveEditor = function() {
			window.wpActiveEditor = id;
		};

wrap = document.getElementById( 'wp-' + id + '-wrap' );

if ( tb.addEventListener ) {
			tb.addEventListener( 'click', onclick, false );

if ( wrap ) {
				wrap.addEventListener( 'click', setActiveEditor, false );
			}
		} else if ( tb.attachEvent ) {
			tb.attachEvent( 'onclick', onclick );

if ( wrap ) {
				wrap.attachEvent( 'onclick', setActiveEditor );
			}
		}

t.getButton = function(id) {
			return t.theButtons[id];
		};

t.getButtonElement = function(id) {
			return document.getElementById(name + '_' + id);
		};

t.init = function() {
			_domReady( function(){ qt._buttonsInit( id ); } );
		};

t.remove = function() {
			delete qt.instances[id];

if ( tb && tb.parentNode ) {
				tb.parentNode.removeChild( tb );
			}
		};

qt.instances[id] = t;
		t.init();
	};

function _escape( text ) {
		text = text || '';
		text = text.replace( /&([^#])(?![a-z1-4]{1,8};)/gi, '&#038;$1' );
		return text.replace( /</g, '&lt;' ).replace( />/g, '&gt;' ).replace( /"/g, '&quot;' ).replace( /'/g, '&#039;' );
	}

qt.instances = {};

qt.getInstance = function(id) {
		return qt.instances[id];
	};

qt._buttonsInit = function( id ) {
		var t = this;

function _init( instanceId ) {
			var canvas, name, settings, theButtons, html, ed, id, i, use,
				defaults = ',strong,em,link,block,del,ins,img,ul,ol,li,code,more,close,';

ed = t.instances[instanceId];
			canvas = ed.canvas;
			name = ed.name;
			settings = ed.settings;
			html = '';
			theButtons = {};
			use = '';

// Set buttons.
			if ( settings.buttons ) {
				use = ','+settings.buttons+',';
			}

for ( i in edButtons ) {
				if ( ! edButtons[i] ) {
					continue;
				}

id = edButtons[i].id;
				if ( use && defaults.indexOf( ',' + id + ',' ) !== -1 && use.indexOf( ',' + id + ',' ) === -1 ) {
					continue;
				}

if ( ! edButtons[i].instance || edButtons[i].instance === instanceId ) {
					theButtons[id] = edButtons[i];

if ( edButtons[i].html ) {
						html += edButtons[i].html( name + '_' );
					}
				}
			}

if ( use && use.indexOf(',dfw,') !== -1 ) {
				theButtons.dfw = new qt.DFWButton();
				html += theButtons.dfw.html( name + '_' );
			}

if ( 'rtl' === document.getElementsByTagName( 'html' )[0].dir ) {
				theButtons.textdirection = new qt.TextDirectionButton();
				html += theButtons.textdirection.html( name + '_' );
			}

ed.toolbar.innerHTML = html;
			ed.theButtons = theButtons;

if ( typeof jQuery !== 'undefined' ) {
				jQuery( document ).triggerHandler( 'quicktags-init', [ ed ] );
			}
		}

if ( id ) {
			_init( id );
		} else {
			for ( id in t.instances ) {
				_init( id );
			}
		}

t.buttonsInitDone = true;
	};

/**
	 * Main API function for adding a button to Quicktags
	 *
	 * Adds qt.Button or qt.TagButton depending on the args. The first three args are always required.
	 * To be able to add button(s) to Quicktags, your script should be enqueued as dependent
	 * on "quicktags" and outputted in the footer. If you are echoing JS directly from PHP,
	 * use add_action( 'admin_print_footer_scripts', 'output_my_js', 100 ) or add_action( 'wp_footer', 'output_my_js', 100 )
	 *
	 * Minimum required to add a button that calls an external function:
	 *     QTags.addButton( 'my_id', 'my button', my_callback );
	 *     function my_callback() { alert('yeah!'); }
	 *
	 * Minimum required to add a button that inserts a tag:
	 *     QTags.addButton( 'my_id', 'my button', '<span>', '</span>' );
	 *     QTags.addButton( 'my_id2', 'my button', '<br />' );
	 *
	 * @param string id Required. Button HTML ID
	 * @param string display Required. Button's value="..."
	 * @param string|function arg1 Required. Either a starting tag to be inserted like "<span>" or a callback that is executed when the button is clicked.
	 * @param string arg2 Optional. Ending tag like "</span>"
	 * @param string access_key Deprecated Not used
	 * @param string title Optional. Button's title="..."
	 * @param int priority Optional. Number representing the desired position of the button in the toolbar. 1 - 9 = first, 11 - 19 = second, 21 - 29 = third, etc.
	 * @param string instance Optional. Limit the button to a specific instance of Quicktags, add to all instances if not present.
	 * @param attr object Optional. Used to pass additional attributes. Currently supports `ariaLabel` and `ariaLabelClose` (for "close tag" state)
	 * @return mixed null or the button object that is needed for back-compat.
	 */
	qt.addButton = function( id, display, arg1, arg2, access_key, title, priority, instance, attr ) {
		var btn;

if ( !id || !display ) {
			return;
		}

priority = priority || 0;
		arg2 = arg2 || '';
		attr = attr || {};

if ( typeof(arg1) === 'function' ) {
			btn = new qt.Button( id, display, access_key, title, instance, attr );
			btn.callback = arg1;
		} else if ( typeof(arg1) === 'string' ) {
			btn = new qt.TagButton( id, display, arg1, arg2, access_key, title, instance, attr );
		} else {
			return;
		}

if ( priority === -1 ) { // Back-compat.
			return btn;
		}

if ( priority > 0 ) {
			while ( typeof(edButtons[priority]) !== 'undefined' ) {
				priority++;
			}

edButtons[priority] = btn;
		} else {
			edButtons[edButtons.length] = btn;
		}

if ( this.buttonsInitDone ) {
			this._buttonsInit(); // Add the button HTML to all instances toolbars if addButton() was called too late.
		}
	};

qt.insertContent = function(content) {
		var sel, startPos, endPos, scrollTop, text, canvas = document.getElementById(wpActiveEditor), event;

if ( !canvas ) {
			return false;
		}

if ( document.selection ) { // IE.
			canvas.focus();
			sel = document.selection.createRange();
			sel.text = content;
			canvas.focus();
		} else if ( canvas.selectionStart || canvas.selectionStart === 0 ) { // FF, WebKit, Opera.
			text = canvas.value;
			startPos = canvas.selectionStart;
			endPos = canvas.selectionEnd;
			scrollTop = canvas.scrollTop;

canvas.value = text.substring(0, startPos) + content + text.substring(endPos, text.length);

canvas.selectionStart = startPos + content.length;
			canvas.selectionEnd = startPos + content.length;
			canvas.scrollTop = scrollTop;
			canvas.focus();
		} else {
			canvas.value += content;
			canvas.focus();
		}

if ( document.createEvent ) {
			event = document.createEvent( 'HTMLEvents' );
			event.initEvent( 'change', false, true );
			canvas.dispatchEvent( event );
		} else if ( canvas.fireEvent ) {
			canvas.fireEvent( 'onchange' );
		}

return true;
	};

// A plain, dumb button.
	qt.Button = function( id, display, access, title, instance, attr ) {
		this.id = id;
		this.display = display;
		this.access = '';
		this.title = title || '';
		this.instance = instance || '';
		this.attr = attr || {};
	};
	qt.Button.prototype.html = function(idPrefix) {
		var active, on, wp,
			title = this.title ? ' title="' + _escape( this.title ) + '"' : '',
			ariaLabel = this.attr && this.attr.ariaLabel ? ' aria-label="' + _escape( this.attr.ariaLabel ) + '"' : '',
			val = this.display ? ' value="' + _escape( this.display ) + '"' : '',
			id = this.id ? ' id="' + _escape( idPrefix + this.id ) + '"' : '',
			dfw = ( wp = window.wp ) && wp.editor && wp.editor.dfw;

if ( this.id === 'fullscreen' ) {
			return '<button type="button"' + id + ' class="ed_button qt-dfw qt-fullscreen"' + title + ariaLabel + '></button>';
		} else if ( this.id === 'dfw' ) {
			active = dfw && dfw.isActive() ? '' : ' disabled="disabled"';
			on = dfw && dfw.isOn() ? ' active' : '';

return '<button type="button"' + id + ' class="ed_button qt-dfw' + on + '"' + title + ariaLabel + active + '></button>';
		}

return '<input type="button"' + id + ' class="ed_button button button-small"' + title + ariaLabel + val + ' />';
	};
	qt.Button.prototype.callback = function(){};

// A button that inserts HTML tag.
	qt.TagButton = function( id, display, tagStart, tagEnd, access, title, instance, attr ) {
		var t = this;
		qt.Button.call( t, id, display, access, title, instance, attr );
		t.tagStart = tagStart;
		t.tagEnd = tagEnd;
	};
	qt.TagButton.prototype = new qt.Button();
	qt.TagButton.prototype.openTag = function( element, ed ) {
		if ( ! ed.openTags ) {
			ed.openTags = [];
		}

if ( this.tagEnd ) {
			ed.openTags.push( this.id );
			element.value = '/' + element.value;

if ( this.attr.ariaLabelClose ) {
				element.setAttribute( 'aria-label', this.attr.ariaLabelClose );
			}
		}
	};
	qt.TagButton.prototype.closeTag = function( element, ed ) {
		var i = this.isOpen(ed);

if ( i !== false ) {
			ed.openTags.splice( i, 1 );
		}

element.value = this.display;

if ( this.attr.ariaLabel ) {
			element.setAttribute( 'aria-label', this.attr.ariaLabel );
		}
	};
	// Whether a tag is open or not. Returns false if not open, or current open depth of the tag.
	qt.TagButton.prototype.isOpen = function (ed) {
		var t = this, i = 0, ret = false;
		if ( ed.openTags ) {
			while ( ret === false && i < ed.openTags.length ) {
				ret = ed.openTags[i] === t.id ? i : false;
				i ++;
			}
		} else {
			ret = false;
		}
		return ret;
	};
	qt.TagButton.prototype.callback = function(element, canvas, ed) {
		var t = this, startPos, endPos, cursorPos, scrollTop, v = canvas.value, l, r, i, sel, endTag = v ? t.tagEnd : '', event;

if ( document.selection ) { // IE.
			canvas.focus();
			sel = document.selection.createRange();
			if ( sel.text.length > 0 ) {
				if ( !t.tagEnd ) {
					sel.text = sel.text + t.tagStart;
				} else {
					sel.text = t.tagStart + sel.text + endTag;
				}
			} else {
				if ( !t.tagEnd ) {
					sel.text = t.tagStart;
				} else if ( t.isOpen(ed) === false ) {
					sel.text = t.tagStart;
					t.openTag(element, ed);
				} else {
					sel.text = endTag;
					t.closeTag(element, ed);
				}
			}
			canvas.focus();
		} else if ( canvas.selectionStart || canvas.selectionStart === 0 ) { // FF, WebKit, Opera.
			startPos = canvas.selectionStart;
			endPos = canvas.selectionEnd;

if ( startPos < endPos && v.charAt( endPos - 1 ) === '\n' ) {
				endPos -= 1;
			}

cursorPos = endPos;
			scrollTop = canvas.scrollTop;
			l = v.substring(0, startPos);      // Left of the selection.
			r = v.substring(endPos, v.length); // Right of the selection.
			i = v.substring(startPos, endPos); // Inside the selection.
			if ( startPos !== endPos ) {
				if ( !t.tagEnd ) {
					canvas.value = l + i + t.tagStart + r; // Insert self-closing tags after the selection.
					cursorPos += t.tagStart.length;
				} else {
					canvas.value = l + t.tagStart + i + endTag + r;
					cursorPos += t.tagStart.length + endTag.length;
				}
			} else {
				if ( !t.tagEnd ) {
					canvas.value = l + t.tagStart + r;
					cursorPos = startPos + t.tagStart.length;
				} else if ( t.isOpen(ed) === false ) {
					canvas.value = l + t.tagStart + r;
					t.openTag(element, ed);
					cursorPos = startPos + t.tagStart.length;
				} else {
					canvas.value = l + endTag + r;
					cursorPos = startPos + endTag.length;
					t.closeTag(element, ed);
				}
			}

canvas.selectionStart = cursorPos;
			canvas.selectionEnd = cursorPos;
			canvas.scrollTop = scrollTop;
			canvas.focus();
		} else { // Other browsers?
			if ( !endTag ) {
				canvas.value += t.tagStart;
			} else if ( t.isOpen(ed) !== false ) {
				canvas.value += t.tagStart;
				t.openTag(element, ed);
			} else {
				canvas.value += endTag;
				t.closeTag(element, ed);
			}
			canvas.focus();
		}

// Removed.
	qt.SpellButton = function() {};

// The close tags button.
	qt.CloseButton = function() {
		qt.Button.call( this, 'close', quicktagsL10n.closeTags, '', quicktagsL10n.closeAllOpenTags );
	};

qt.CloseButton.prototype = new qt.Button();

qt._close = function(e, c, ed) {
		var button, element, tbo = ed.openTags;

if ( tbo ) {
			while ( tbo.length > 0 ) {
				button = ed.getButton(tbo[tbo.length - 1]);
				element = document.getElementById(ed.name + '_' + button.id);

if ( e ) {
					button.callback.call(button, element, c, ed);
				} else {
					button.closeTag(element, ed);
				}
			}
		}
	};

qt.CloseButton.prototype.callback = qt._close;

qt.closeAllTags = function( editor_id ) {
		var ed = this.getInstance( editor_id );

if ( ed ) {
			qt._close( '', ed.canvas, ed );
		}
	};

// The link button.
	qt.LinkButton = function() {
		var attr = {
			ariaLabel: quicktagsL10n.link
		};

qt.TagButton.call( this, 'link', 'link', '', '</a>', '', '', '', attr );
	};
	qt.LinkButton.prototype = new qt.TagButton();
	qt.LinkButton.prototype.callback = function(e, c, ed, defaultValue) {
		var URL, t = this;

if ( typeof wpLink !== 'undefined' ) {
			wpLink.open( ed.id );
			return;
		}

if ( ! defaultValue ) {
			defaultValue = 'http://';
		}

if ( t.isOpen(ed) === false ) {
			URL = prompt( quicktagsL10n.enterURL, defaultValue );
			if ( URL ) {
				t.tagStart = '<a href="' + URL + '">';
				qt.TagButton.prototype.callback.call(t, e, c, ed);
			}
		} else {
			qt.TagButton.prototype.callback.call(t, e, c, ed);
		}
	};

// The img button.
	qt.ImgButton = function() {
		var attr = {
			ariaLabel: quicktagsL10n.image
		};

qt.TagButton.call( this, 'img', 'img', '', '', '', '', '', attr );
	};
	qt.ImgButton.prototype = new qt.TagButton();
	qt.ImgButton.prototype.callback = function(e, c, ed, defaultValue) {
		if ( ! defaultValue ) {
			defaultValue = 'http://';
		}
		var src = prompt(quicktagsL10n.enterImageURL, defaultValue), alt;
		if ( src ) {
			alt = prompt(quicktagsL10n.enterImageDescription, '');
			this.tagStart = '<img src="' + src + '" alt="' + alt + '" />';
			qt.TagButton.prototype.callback.call(this, e, c, ed);
		}
	};

qt.DFWButton = function() {
		qt.Button.call( this, 'dfw', '', 'f', quicktagsL10n.dfw );
	};
	qt.DFWButton.prototype = new qt.Button();
	qt.DFWButton.prototype.callback = function() {
		var wp;

if ( ! ( wp = window.wp ) || ! wp.editor || ! wp.editor.dfw ) {
			return;
		}

window.wp.editor.dfw.toggle();
	};

qt.TextDirectionButton = function() {
		qt.Button.call( this, 'textdirection', quicktagsL10n.textdirection, '', quicktagsL10n.toggleTextdirection );
	};
	qt.TextDirectionButton.prototype = new qt.Button();
	qt.TextDirectionButton.prototype.callback = function(e, c) {
		var isRTL = ( 'rtl' === document.getElementsByTagName('html')[0].dir ),
			currentDirection = c.style.direction;

if ( ! currentDirection ) {
			currentDirection = ( isRTL ) ? 'rtl' : 'ltr';
		}

c.style.direction = ( 'rtl' === currentDirection ) ? 'ltr' : 'rtl';
		c.focus();
	};

// Ensure backward compatibility.
	edButtons[10]  = new qt.TagButton( 'strong', 'b', '<strong>', '</strong>', '', '', '', { ariaLabel: quicktagsL10n.strong, ariaLabelClose: quicktagsL10n.strongClose } );
	edButtons[20]  = new qt.TagButton( 'em', 'i', '<em>', '</em>', '', '', '', { ariaLabel: quicktagsL10n.em, ariaLabelClose: quicktagsL10n.emClose } );
	edButtons[30]  = new qt.LinkButton(); // Special case.
	edButtons[40]  = new qt.TagButton( 'block', 'b-quote', '\n\n<blockquote>', '</blockquote>\n\n', '', '', '', { ariaLabel: quicktagsL10n.blockquote, ariaLabelClose: quicktagsL10n.blockquoteClose } );
	edButtons[50]  = new qt.TagButton( 'del', 'del', '<del datetime="' + _datetime + '">', '</del>', '', '', '', { ariaLabel: quicktagsL10n.del, ariaLabelClose: quicktagsL10n.delClose } );
	edButtons[60]  = new qt.TagButton( 'ins', 'ins', '<ins datetime="' + _datetime + '">', '</ins>', '', '', '', { ariaLabel: quicktagsL10n.ins, ariaLabelClose: quicktagsL10n.insClose } );
	edButtons[70]  = new qt.ImgButton();  // Special case.
	edButtons[80]  = new qt.TagButton( 'ul', 'ul', '<ul>\n', '</ul>\n\n', '', '', '', { ariaLabel: quicktagsL10n.ul, ariaLabelClose: quicktagsL10n.ulClose } );
	edButtons[90]  = new qt.TagButton( 'ol', 'ol', '<ol>\n', '</ol>\n\n', '', '', '', { ariaLabel: quicktagsL10n.ol, ariaLabelClose: quicktagsL10n.olClose } );
	edButtons[100] = new qt.TagButton( 'li', 'li', '\t<li>', '</li>\n', '', '', '', { ariaLabel: quicktagsL10n.li, ariaLabelClose: quicktagsL10n.liClose } );
	edButtons[110] = new qt.TagButton( 'code', 'code', '<code>', '</code>', '', '', '', { ariaLabel: quicktagsL10n.code, ariaLabelClose: quicktagsL10n.codeClose } );
	edButtons[120] = new qt.TagButton( 'more', 'more', '\n\n', '', '', '', '', { ariaLabel: quicktagsL10n.more } );
	edButtons[140] = new qt.CloseButton();

})();

/**
 * Initialize new instance of the Quicktags editor
 */
window.quicktags = function(settings) {
	return new window.QTags(settings);
};

/**
 * Inserts content at the caret in the active editor (textarea)
 *
 * Added for back compatibility
 * @see QTags.insertContent()
 */
window.edInsertContent = function(bah, txt) {
	return window.QTags.insertContent(txt);
};

/**
 * Adds a button to all instances of the editor
 *
 * Added for back compatibility, use QTags.addButton() as it gives more flexibility like type of button, button placement, etc.
 * @see QTags.addButton()
 */
window.edButton = function(id, display, tagStart, tagEnd, access) {
	return window.QTags.addButton( id, display, tagStart, tagEnd, access, '', -1 );
};

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