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/**
* @output site-inc/js/mce-view.js
*/
/* global tinymce */
/*
* The TinyMCE view API.
*
* Note: this API is "experimental" meaning that it will probably change
* in the next few releases based on feedback from 3.9.0.
* If you decide to use it, please follow the development closely.
*
* Diagram
*
* |- registered view constructor (type)
* | |- view instance (unique text)
* | | |- editor 1
* | | | |- view node
* | | | |- view node
* | | | |- ...
* | | |- editor 2
* | | | |- ...
* | |- view instance
* | | |- ...
* |- registered view
* | |- ...
*/
( function( window, wp, shortcode, $ ) {
'use strict';
var views = {},
instances = {};
wp.mce = wp.mce || {};
/**
* wp.mce.views
*
* A set of utilities that simplifies adding custom UI within a TinyMCE editor.
* At its core, it serves as a series of converters, transforming text to a
* custom UI, and back again.
*/
wp.mce.views = {
/**
* Registers a new view type.
*
* @param {String} type The view type.
* @param {Object} extend An object to extend wp.mce.View.prototype with.
*/
register: function( type, extend ) {
views[ type ] = wp.mce.View.extend( _.extend( extend, { type: type } ) );
},
/**
* Unregisters a view type.
*
* @param {String} type The view type.
*/
unregister: function( type ) {
delete views[ type ];
},
/**
* Returns the settings of a view type.
*
* @param {String} type The view type.
*
* @return {Function} The view constructor.
*/
get: function( type ) {
return views[ type ];
},
/**
* Unbinds all view nodes.
* Runs before removing all view nodes from the DOM.
*/
unbind: function() {
_.each( instances, function( instance ) {
instance.unbind();
} );
},
/**
* Scans a given string for each view's pattern,
* replacing any matches with markers,
* and creates a new instance for every match.
*
* @param {String} content The string to scan.
* @param {tinymce.Editor} editor The editor.
*
* @return {String} The string with markers.
*/
setMarkers: function( content, editor ) {
var pieces = [ { content: content } ],
self = this,
instance, current;
_.each( views, function( view, type ) {
current = pieces.slice();
pieces = [];
_.each( current, function( piece ) {
var remaining = piece.content,
result, text;
// Ignore processed pieces, but retain their location.
if ( piece.processed ) {
pieces.push( piece );
return;
}
// Iterate through the string progressively matching views
// and slicing the string as we go.
while ( remaining && ( result = view.prototype.match( remaining ) ) ) {
// Any text before the match becomes an unprocessed piece.
if ( result.index ) {
pieces.push( { content: remaining.substring( 0, result.index ) } );
}
result.options.editor = editor;
instance = self.createInstance( type, result.content, result.options );
text = instance.loader ? '.' : instance.text;
// Add the processed piece for the match.
pieces.push( {
content: instance.ignore ? text : '<p data-wpview-marker="' + instance.encodedText + '">' + text + '</p>',
processed: true
} );
// Update the remaining content.
remaining = remaining.slice( result.index + result.content.length );
}
// There are no additional matches.
// If any content remains, add it as an unprocessed piece.
if ( remaining ) {
pieces.push( { content: remaining } );
}
} );
} );
content = _.pluck( pieces, 'content' ).join( '' );
return content.replace( /<p>\s*<p data-wpview-marker=/g, '<p data-wpview-marker=' ).replace( /<\/p>\s*<\/p>/g, '</p>' );
},
/**
* Create a view instance.
*
* @param {String} type The view type.
* @param {String} text The textual representation of the view.
* @param {Object} options Options.
* @param {Boolean} force Recreate the instance. Optional.
*
* @return {wp.mce.View} The view instance.
*/
createInstance: function( type, text, options, force ) {
var View = this.get( type ),
encodedText,
instance;
if ( text.indexOf( '[' ) !== -1 && text.indexOf( ']' ) !== -1 ) {
// Looks like a shortcode? Remove any line breaks from inside of shortcodes
// or autop will replace them with <p> and <br> later and the string won't match.
text = text.replace( /\[[^\]]+\]/g, function( match ) {
return match.replace( /[\r\n]/g, '' );
});
}
if ( ! force ) {
instance = this.getInstance( text );
if ( instance ) {
return instance;
}
}
encodedText = encodeURIComponent( text );
options = _.extend( options || {}, {
text: text,
encodedText: encodedText
} );
return instances[ encodedText ] = new View( options );
},
/**
* Get a view instance.
*
* @param {(String|HTMLElement)} object The textual representation of the view or the view node.
*
* @return {wp.mce.View} The view instance or undefined.
*/
getInstance: function( object ) {
if ( typeof object === 'string' ) {
return instances[ encodeURIComponent( object ) ];
}
return instances[ $( object ).attr( 'data-wpview-text' ) ];
},
/**
* Given a view node, get the view's text.
*
* @param {HTMLElement} node The view node.
*
* @return {String} The textual representation of the view.
*/
getText: function( node ) {
return decodeURIComponent( $( node ).attr( 'data-wpview-text' ) || '' );
},
/**
* Renders all view nodes that are not yet rendered.
*
* @param {Boolean} force Rerender all view nodes.
*/
render: function( force ) {
_.each( instances, function( instance ) {
instance.render( null, force );
} );
},
/**
* Update the text of a given view node.
*
* @param {String} text The new text.
* @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
* @param {HTMLElement} node The view node to update.
* @param {Boolean} force Recreate the instance. Optional.
*/
update: function( text, editor, node, force ) {
var instance = this.getInstance( node );
if ( instance ) {
instance.update( text, editor, node, force );
}
},
/**
* Renders any editing interface based on the view type.
*
* @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
* @param {HTMLElement} node The view node to edit.
*/
edit: function( editor, node ) {
var instance = this.getInstance( node );
if ( instance && instance.edit ) {
instance.edit( instance.text, function( text, force ) {
instance.update( text, editor, node, force );
} );
}
},
/**
* Remove a given view node from the DOM.
*
* @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
* @param {HTMLElement} node The view node to remove.
*/
remove: function( editor, node ) {
var instance = this.getInstance( node );
if ( instance ) {
instance.remove( editor, node );
}
}
};
/**
* A Backbone-like View constructor intended for use when rendering a TinyMCE View.
* The main difference is that the TinyMCE View is not tied to a particular DOM node.
*
* @param {Object} options Options.
*/
wp.mce.View = function( options ) {
_.extend( this, options );
this.initialize();
};
wp.mce.View.extend = Backbone.View.extend;
_.extend( wp.mce.View.prototype, /** @lends wp.mce.View.prototype */{
/**
* The content.
*
* @type {*}
*/
content: null,
/**
* Whether or not to display a loader.
*
* @type {Boolean}
*/
loader: true,
/**
* Runs after the view instance is created.
*/
initialize: function() {},
/**
* Returns the content to render in the view node.
*
* @return {*}
*/
getContent: function() {
return this.content;
},
/**
* Renders all view nodes tied to this view instance that are not yet rendered.
*
* @param {String} content The content to render. Optional.
* @param {Boolean} force Rerender all view nodes tied to this view instance. Optional.
*/
render: function( content, force ) {
if ( content != null ) {
this.content = content;
}
content = this.getContent();
// If there's nothing to render an no loader needs to be shown, stop.
if ( ! this.loader && ! content ) {
return;
}
// We're about to rerender all views of this instance, so unbind rendered views.
force && this.unbind();
// Replace any left over markers.
this.replaceMarkers();
if ( content ) {
this.setContent( content, function( editor, node ) {
$( node ).data( 'rendered', true );
this.bindNode.call( this, editor, node );
}, force ? null : false );
} else {
this.setLoader();
}
},
/**
* Binds a given node after its content is added to the DOM.
*/
bindNode: function() {},
/**
* Unbinds a given node before its content is removed from the DOM.
*/
unbindNode: function() {},
/**
* Unbinds all view nodes tied to this view instance.
* Runs before their content is removed from the DOM.
*/
unbind: function() {
this.getNodes( function( editor, node ) {
this.unbindNode.call( this, editor, node );
}, true );
},
/**
* Gets all the TinyMCE editor instances that support views.
*
* @param {Function} callback A callback.
*/
getEditors: function( callback ) {
_.each( tinymce.editors, function( editor ) {
if ( editor.plugins.wpview ) {
callback.call( this, editor );
}
}, this );
},
/**
* Gets all view nodes tied to this view instance.
*
* @param {Function} callback A callback.
* @param {Boolean} rendered Get (un)rendered view nodes. Optional.
*/
getNodes: function( callback, rendered ) {
this.getEditors( function( editor ) {
var self = this;
$( editor.getBody() )
.find( '[data-wpview-text="' + self.encodedText + '"]' )
.filter( function() {
var data;
if ( rendered == null ) {
return true;
}
data = $( this ).data( 'rendered' ) === true;
return rendered ? data : ! data;
} )
.each( function() {
callback.call( self, editor, this, this /* back compat */ );
} );
} );
},
/**
* Gets all marker nodes tied to this view instance.
*
* @param {Function} callback A callback.
*/
getMarkers: function( callback ) {
this.getEditors( function( editor ) {
var self = this;
$( editor.getBody() )
.find( '[data-wpview-marker="' + this.encodedText + '"]' )
.each( function() {
callback.call( self, editor, this );
} );
} );
},
/**
* Replaces all marker nodes tied to this view instance.
*/
replaceMarkers: function() {
this.getMarkers( function( editor, node ) {
var selected = node === editor.selection.getNode();
var $viewNode;
if ( ! this.loader && $( node ).text() !== tinymce.DOM.decode( this.text ) ) {
editor.dom.setAttrib( node, 'data-wpview-marker', null );
return;
}
$viewNode = editor.$(
'<div class="wpview wpview-wrap" data-wpview-text="' + this.encodedText + '" data-wpview-type="' + this.type + '" contenteditable="false"></div>'
);
editor.$( node ).replaceWith( $viewNode );
if ( selected ) {
setTimeout( function() {
editor.selection.select( $viewNode[0] );
editor.selection.collapse();
} );
}
} );
},
/**
* Removes all marker nodes tied to this view instance.
*/
removeMarkers: function() {
this.getMarkers( function( editor, node ) {
editor.dom.setAttrib( node, 'data-wpview-marker', null );
} );
},
/**
* Sets the content for all view nodes tied to this view instance.
*
* @param {*} content The content to set.
* @param {Function} callback A callback. Optional.
* @param {Boolean} rendered Only set for (un)rendered nodes. Optional.
*/
setContent: function( content, callback, rendered ) {
if ( _.isObject( content ) && ( content.sandbox || content.head || content.body.indexOf( '<script' ) !== -1 ) ) {
this.setIframes( content.head || '', content.body, callback, rendered );
} else if ( _.isString( content ) && content.indexOf( '<script' ) !== -1 ) {
this.setIframes( '', content, callback, rendered );
} else {
this.getNodes( function( editor, node ) {
content = content.body || content;
if ( content.indexOf( '<iframe' ) !== -1 ) {
content += '<span class="mce-shim"></span>';
}
editor.undoManager.transact( function() {
node.innerHTML = '';
node.appendChild( _.isString( content ) ? editor.dom.createFragment( content ) : content );
editor.dom.add( node, 'span', { 'class': 'wpview-end' } );
} );
callback && callback.call( this, editor, node );
}, rendered );
}
},
/**
* Sets the content in an iframe for all view nodes tied to this view instance.
*
* @param {String} head HTML string to be added to the head of the document.
* @param {String} body HTML string to be added to the body of the document.
* @param {Function} callback A callback. Optional.
* @param {Boolean} rendered Only set for (un)rendered nodes. Optional.
*/
setIframes: function( head, body, callback, rendered ) {
var self = this;
if ( body.indexOf( '[' ) !== -1 && body.indexOf( ']' ) !== -1 ) {
var shortcodesRegExp = new RegExp( '\\[\\/?(?:' + window.mceViewL10n.shortcodes.join( '|' ) + ')[^\\]]*?\\]', 'g' );
// Escape tags inside shortcode previews.
body = body.replace( shortcodesRegExp, function( match ) {
return match.replace( /</g, '<' ).replace( />/g, '>' );
} );
}
this.getNodes( function( editor, node ) {
var dom = editor.dom,
styles = '',
bodyClasses = editor.getBody().className || '',
editorHead = editor.getDoc().getElementsByTagName( 'head' )[0],
iframe, iframeWin, iframeDoc, MutationObserver, observer, i, block;
tinymce.each( dom.$( 'link[rel="stylesheet"]', editorHead ), function( link ) {
if ( link.href && link.href.indexOf( 'skins/lightgray/content.min.css' ) === -1 &&
link.href.indexOf( 'skins/wordpress/wp-content.css' ) === -1 ) {
styles += dom.getOuterHTML( link );
}
} );
if ( self.iframeHeight ) {
dom.add( node, 'span', {
'data-mce-bogus': 1,
style: {
display: 'block',
width: '100%',
height: self.iframeHeight
}
}, '\u200B' );
}
editor.undoManager.transact( function() {
node.innerHTML = '';
iframe = dom.add( node, 'iframe', {
/* jshint scripturl: true */
src: tinymce.Env.ie ? 'javascript:""' : '',
frameBorder: '0',
allowTransparency: 'true',
scrolling: 'no',
'class': 'wpview-sandbox',
style: {
width: '100%',
display: 'block'
},
height: self.iframeHeight
} );
dom.add( node, 'span', { 'class': 'mce-shim' } );
dom.add( node, 'span', { 'class': 'wpview-end' } );
} );
// Bail if the iframe node is not attached to the DOM.
// Happens when the view is dragged in the editor.
// There is a browser restriction when iframes are moved in the DOM. They get emptied.
// The iframe will be rerendered after dropping the view node at the new location.
if ( ! iframe.contentWindow ) {
return;
}
iframeWin = iframe.contentWindow;
iframeDoc = iframeWin.document;
iframeDoc.open();
iframeDoc.write(
'<!DOCTYPE html>' +
'<html>' +
'<head>' +
'<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />' +
head +
styles +
'<style>' +
'html {' +
'background: transparent;' +
'padding: 0;' +
'margin: 0;' +
'}' +
'body#wpview-iframe-sandbox {' +
'background: transparent;' +
'padding: 1px 0 !important;' +
'margin: -1px 0 0 !important;' +
'}' +
'body#wpview-iframe-sandbox:before,' +
'body#wpview-iframe-sandbox:after {' +
'display: none;' +
'content: "";' +
'}' +
'iframe {' +
'max-width: 100%;' +
'}' +
'</style>' +
'</head>' +
'<body id="wpview-iframe-sandbox" class="' + bodyClasses + '">' +
body +
'</body>' +
'</html>'
);
iframeDoc.close();
function resize() {
var $iframe;
if ( block ) {
return;
}
// Make sure the iframe still exists.
if ( iframe.contentWindow ) {
$iframe = $( iframe );
self.iframeHeight = $( iframeDoc.body ).height();
if ( $iframe.height() !== self.iframeHeight ) {
$iframe.height( self.iframeHeight );
editor.nodeChanged();
}
}
}
if ( self.iframeHeight ) {
block = true;
setTimeout( function() {
block = false;
resize();
}, 3000 );
}
function reload() {
if ( ! editor.isHidden() ) {
$( node ).data( 'rendered', null );
setTimeout( function() {
wp.mce.views.render();
} );
}
}
function addObserver() {
observer = new MutationObserver( _.debounce( resize, 100 ) );
observer.observe( iframeDoc.body, {
attributes: true,
childList: true,
subtree: true
} );
}
$( iframeWin ).on( 'load', resize ).on( 'unload', reload );
MutationObserver = iframeWin.MutationObserver || iframeWin.WebKitMutationObserver || iframeWin.MozMutationObserver;
if ( MutationObserver ) {
if ( ! iframeDoc.body ) {
iframeDoc.addEventListener( 'DOMContentLoaded', addObserver, false );
} else {
addObserver();
}
} else {
for ( i = 1; i < 6; i++ ) {
setTimeout( resize, i * 700 );
}
}
callback && callback.call( self, editor, node );
}, rendered );
},
/**
* Sets a loader for all view nodes tied to this view instance.
*/
setLoader: function( dashicon ) {
this.setContent(
'<div class="loading-placeholder">' +
'<div class="dashicons dashicons-' + ( dashicon || 'admin-media' ) + '"></div>' +
'<div class="wpview-loading"><ins></ins></div>' +
'</div>'
);
},
/**
* Sets an error for all view nodes tied to this view instance.
*
* @param {String} message The error message to set.
* @param {String} dashicon A dashicon ID. Optional. {@link https://developer.wordpress.org/resource/dashicons/}
*/
setError: function( message, dashicon ) {
this.setContent(
'<div class="wpview-error">' +
'<div class="dashicons dashicons-' + ( dashicon || 'no' ) + '"></div>' +
'<p>' + message + '</p>' +
'</div>'
);
},
/**
* Tries to find a text match in a given string.
*
* @param {String} content The string to scan.
*
* @return {Object}
*/
match: function( content ) {
var match = shortcode.next( this.type, content );
if ( match ) {
return {
index: match.index,
content: match.content,
options: {
shortcode: match.shortcode
}
};
}
},
/**
* Update the text of a given view node.
*
* @param {String} text The new text.
* @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
* @param {HTMLElement} node The view node to update.
* @param {Boolean} force Recreate the instance. Optional.
*/
update: function( text, editor, node, force ) {
_.find( views, function( view, type ) {
var match = view.prototype.match( text );
if ( match ) {
$( node ).data( 'rendered', false );
editor.dom.setAttrib( node, 'data-wpview-text', encodeURIComponent( text ) );
wp.mce.views.createInstance( type, text, match.options, force ).render();
editor.selection.select( node );
editor.nodeChanged();
editor.focus();
return true;
}
} );
},
/**
* Remove a given view node from the DOM.
*
* @param {tinymce.Editor} editor The TinyMCE editor instance the view node is in.
* @param {HTMLElement} node The view node to remove.
*/
remove: function( editor, node ) {
this.unbindNode.call( this, editor, node );
editor.dom.remove( node );
editor.focus();
}
} );
} )( window, window.wp, window.wp.shortcode, window.jQuery );
/*
* The WordPress core TinyMCE views.
* Views for the gallery, audio, video, playlist and embed shortcodes,
* and a view for embeddable URLs.
*/
( function( window, views, media, $ ) {
var base, gallery, av, embed,
schema, parser, serializer;
function verifyHTML( string ) {
var settings = {};
if ( ! window.tinymce ) {
return string.replace( /<[^>]+>/g, '' );
}
if ( ! string || ( string.indexOf( '<' ) === -1 && string.indexOf( '>' ) === -1 ) ) {
return string;
}
schema = schema || new window.tinymce.html.Schema( settings );
parser = parser || new window.tinymce.html.DomParser( settings, schema );
serializer = serializer || new window.tinymce.html.Serializer( settings, schema );
return serializer.serialize( parser.parse( string, { forced_root_block: false } ) );
}
base = {
state: [],
edit: function( text, update ) {
var type = this.type,
frame = media[ type ].edit( text );
this.pausePlayers && this.pausePlayers();
_.each( this.state, function( state ) {
frame.state( state ).on( 'update', function( selection ) {
update( media[ type ].shortcode( selection ).string(), type === 'gallery' );
} );
} );
frame.on( 'close', function() {
frame.detach();
} );
frame.open();
}
};
gallery = _.extend( {}, base, {
state: [ 'gallery-edit' ],
template: media.template( 'editor-gallery' ),
initialize: function() {
var attachments = media.gallery.attachments( this.shortcode, media.view.settings.post.id ),
attrs = this.shortcode.attrs.named,
self = this;
attachments.more()
.done( function() {
attachments = attachments.toJSON();
_.each( attachments, function( attachment ) {
if ( attachment.sizes ) {
if ( attrs.size && attachment.sizes[ attrs.size ] ) {
attachment.thumbnail = attachment.sizes[ attrs.size ];
} else if ( attachment.sizes.thumbnail ) {
attachment.thumbnail = attachment.sizes.thumbnail;
} else if ( attachment.sizes.full ) {
attachment.thumbnail = attachment.sizes.full;
}
}
} );
self.render( self.template( {
verifyHTML: verifyHTML,
attachments: attachments,
columns: attrs.columns ? parseInt( attrs.columns, 10 ) : media.galleryDefaults.columns
} ) );
} )
.fail( function( jqXHR, textStatus ) {
self.setError( textStatus );
} );
}
} );
av = _.extend( {}, base, {
action: 'parse-media-shortcode',
initialize: function() {
var self = this, maxwidth = null;
if ( this.url ) {
this.loader = false;
this.shortcode = media.embed.shortcode( {
url: this.text
} );
}
// Obtain the target width for the embed.
if ( self.editor ) {
maxwidth = self.editor.getBody().clientWidth;
}
wp.ajax.post( this.action, {
post_ID: media.view.settings.post.id,
type: this.shortcode.tag,
shortcode: this.shortcode.string(),
maxwidth: maxwidth
} )
.done( function( response ) {
self.render( response );
} )
.fail( function( response ) {
if ( self.url ) {
self.ignore = true;
self.removeMarkers();
} else {
self.setError( response.message || response.statusText, 'admin-media' );
}
} );
this.getEditors( function( editor ) {
editor.on( 'wpview-selected', function() {
self.pausePlayers();
} );
} );
},
pausePlayers: function() {
this.getNodes( function( editor, node, content ) {
var win = $( 'iframe.wpview-sandbox', content ).get( 0 );
if ( win && ( win = win.contentWindow ) && win.mejs ) {
_.each( win.mejs.players, function( player ) {
try {
player.pause();
} catch ( e ) {}
} );
}
} );
}
} );
embed = _.extend( {}, av, {
action: 'parse-embed',
edit: function( text, update ) {
var frame = media.embed.edit( text, this.url ),
self = this;
this.pausePlayers();
frame.state( 'embed' ).props.on( 'change:url', function( model, url ) {
if ( url && model.get( 'url' ) ) {
frame.state( 'embed' ).metadata = model.toJSON();
}
} );
frame.state( 'embed' ).on( 'select', function() {
var data = frame.state( 'embed' ).metadata;
if ( self.url ) {
update( data.url );
} else {
update( media.embed.shortcode( data ).string() );
}
} );
frame.on( 'close', function() {
frame.detach();
} );
frame.open();
}
} );
views.register( 'gallery', _.extend( {}, gallery ) );
views.register( 'audio', _.extend( {}, av, {
state: [ 'audio-details' ]
} ) );
views.register( 'video', _.extend( {}, av, {
state: [ 'video-details' ]
} ) );
views.register( 'playlist', _.extend( {}, av, {
state: [ 'playlist-edit', 'video-playlist-edit' ]
} ) );
views.register( 'embed', _.extend( {}, embed ) );
views.register( 'embedURL', _.extend( {}, embed, {
match: function( content ) {
var re = /(^|<p>)(https?:\/\/[^\s"]+?)(<\/p>\s*|$)/gi,
match = re.exec( content );
if ( match ) {
return {
index: match.index + match[1].length,
content: match[2],
options: {
url: true
}
};
}
}
} ) );
} )( window, window.wp.mce.views, window.wp.media, window.jQuery );
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