/* global tinymce */
/**
* 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.
*/
// Ensure the global `wp` object exists.
window.wp = window.wp || {};
( function( $ ) {
'use strict';
var views = {},
instances = {},
media = wp.media,
viewOptions = ['encodedText'];
// Create the `wp.mce` object if necessary.
wp.mce = wp.mce || {};
/**
* wp.mce.View
*
* 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={}]
*/
wp.mce.View = function( options ) {
options = options || {};
this.type = options.type;
_.extend( this, _.pick( options, viewOptions ) );
this.initialize.apply( this, arguments );
};
_.extend( wp.mce.View.prototype, {
initialize: function() {},
getHtml: function() {
return '';
},
loadingPlaceholder: function() {
return '' +
'<div class="loading-placeholder">' +
'<div class="dashicons dashicons-admin-media"></div>' +
'<div class="wpview-loading"><ins></ins></div>' +
'</div>';
},
render: function() {
this.setContent(
'<p class="wpview-selection-before">\u00a0</p>' +
'<div class="wpview-body" contenteditable="false">' +
'<div class="toolbar">' +
( _.isFunction( views[ this.type ].edit ) ? '<div class="dashicons dashicons-edit edit"></div>' : '' ) +
'<div class="dashicons dashicons-no-alt remove"></div>' +
'</div>' +
'<div class="wpview-content wpview-type-' + this.type + '">' +
( this.getHtml() || this.loadingPlaceholder() ) +
'</div>' +
( this.overlay ? '<div class="wpview-overlay"></div>' : '' ) +
'</div>' +
'<p class="wpview-selection-after">\u00a0</p>',
'wrap'
);
$( this ).trigger( 'ready' );
},
unbind: function() {},
getEditors: function( callback ) {
var editors = [];
_.each( tinymce.editors, function( editor ) {
if ( editor.plugins.wpview ) {
if ( callback ) {
callback( editor );
}
editors.push( editor );
}
}, this );
return editors;
},
getNodes: function( callback ) {
var nodes = [],
self = this;
this.getEditors( function( editor ) {
$( editor.getBody() )
.find( '[data-wpview-text="' + self.encodedText + '"]' )
.each( function ( i, node ) {
if ( callback ) {
callback( editor, node, $( node ).find( '.wpview-content' ).get( 0 ) );
}
nodes.push( node );
} );
} );
return nodes;
},
setContent: function( html, option ) {
this.getNodes( function ( editor, node, content ) {
var el = ( option === 'wrap' || option === 'replace' ) ? node : content,
insert = html;
if ( _.isString( insert ) ) {
insert = editor.dom.createFragment( insert );
}
if ( option === 'replace' ) {
editor.dom.replace( insert, el );
} else {
el.innerHTML = '';
el.appendChild( insert );
}
} );
},
/* jshint scripturl: true */
setIframes: function ( html ) {
var MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver;
if ( html.indexOf( '<script' ) !== -1 ) {
this.getNodes( function ( editor, node, content ) {
var dom = editor.dom,
iframe, iframeDoc, i, resize;
content.innerHTML = '';
iframe = dom.add( content, 'iframe', {
src: tinymce.Env.ie ? 'javascript:""' : '',
frameBorder: '0',
allowTransparency: 'true',
scrolling: 'no',
'class': 'wpview-sandbox',
style: {
width: '100%',
display: 'block'
}
} );
iframeDoc = iframe.contentWindow.document;
iframeDoc.open();
iframeDoc.write(
'<!DOCTYPE html>' +
'<html>' +
'<head>' +
'<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />' +
'</head>' +
'<body data-context="iframe-sandbox" style="padding: 0; margin: 0;" class="' + editor.getBody().className + '">' +
html +
'</body>' +
'</html>'
);
iframeDoc.close();
resize = function() {
// Make sure the iframe still exists.
iframe.contentWindow && $( iframe ).height( $( iframeDoc.body ).height() );
};
if ( MutationObserver ) {
new MutationObserver( _.debounce( function() {
resize();
}, 100 ) )
.observe( iframeDoc.body, {
attributes: true,
childList: true,
subtree: true
} );
} else {
for ( i = 1; i < 6; i++ ) {
setTimeout( resize, i * 700 );
}
}
});
} else {
this.setContent( html );
}
},
setError: function( message, dashicon ) {
this.setContent(
'<div class="wpview-error">' +
'<div class="dashicons dashicons-' + ( dashicon ? dashicon : 'no' ) + '"></div>' +
'<p>' + message + '</p>' +
'</div>'
);
}
} );
// take advantage of the Backbone extend method
wp.mce.View.extend = Backbone.View.extend;
/**
* 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 = {
/**
* wp.mce.views.register( type, view )
*
* Registers a new TinyMCE view.
*
* @param type
* @param constructor
*
*/
register: function( type, constructor ) {
var defaultConstructor = {
type: type,
View: {},
toView: function( content ) {
var match = wp.shortcode.next( this.type, content );
if ( ! match ) {
return;
}
return {
index: match.index,
content: match.content,
options: {
shortcode: match.shortcode
}
};
}
};
constructor = _.defaults( constructor, defaultConstructor );
constructor.View = wp.mce.View.extend( constructor.View );
views[ type ] = constructor;
},
/**
* wp.mce.views.get( id )
*
* Returns a TinyMCE view constructor.
*
* @param type
*/
get: function( type ) {
return views[ type ];
},
/**
* wp.mce.views.unregister( type )
*
* Unregisters a TinyMCE view.
*
* @param type
*/
unregister: function( type ) {
delete views[ type ];
},
/**
* wp.mce.views.unbind( editor )
*
* The editor DOM is being rebuilt, run cleanup.
*/
unbind: function() {
_.each( instances, function( instance ) {
instance.unbind();
} );
},
/**
* toViews( content )
* Scans a `content` string for each view's pattern, replacing any
* matches with wrapper elements, and creates a new instance for
* every match, which triggers the related data to be fetched.
*
* @param content
*/
toViews: function( content ) {
var pieces = [ { content: content } ],
current;
_.each( views, function( view, viewType ) {
current = pieces.slice();
pieces = [];
_.each( current, function( piece ) {
var remaining = piece.content,
result;
// 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.toView( remaining )) ) {
// Any text before the match becomes an unprocessed piece.
if ( result.index ) {
pieces.push({ content: remaining.substring( 0, result.index ) });
}
// Add the processed piece for the match.
pieces.push({
content: wp.mce.views.toView( viewType, result.content, result.options ),
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 });
}
});
});
return _.pluck( pieces, 'content' ).join('');
},
/**
* Create a placeholder for a particular view type
*
* @param viewType
* @param text
* @param options
*
*/
toView: function( viewType, text, options ) {
var view = wp.mce.views.get( viewType ),
encodedText = window.encodeURIComponent( text ),
instance, viewOptions;
if ( ! view ) {
return text;
}
if ( ! wp.mce.views.getInstance( encodedText ) ) {
viewOptions = options;
viewOptions.type = viewType;
viewOptions.encodedText = encodedText;
instance = new view.View( viewOptions );
instances[ encodedText ] = instance;
}
return wp.html.string({
tag: 'div',
attrs: {
'class': 'wpview-wrap',
'data-wpview-text': encodedText,
'data-wpview-type': viewType
},
content: '\u00a0'
});
},
/**
* Refresh views after an update is made
*
* @param view {object} being refreshed
* @param text {string} textual representation of the view
*/
refreshView: function( view, text ) {
var encodedText = window.encodeURIComponent( text ),
viewOptions,
result, instance;
instance = wp.mce.views.getInstance( encodedText );
if ( ! instance ) {
result = view.toView( text );
viewOptions = result.options;
viewOptions.type = view.type;
viewOptions.encodedText = encodedText;
instance = new view.View( viewOptions );
instances[ encodedText ] = instance;
}
wp.mce.views.render();
},
getInstance: function( encodedText ) {
return instances[ encodedText ];
},
/**
* render( scope )
*
* Renders any view instances inside a DOM node `scope`.
*
* View instances are detected by the presence of wrapper elements.
* To generate wrapper elements, pass your content through
* `wp.mce.view.toViews( content )`.
*/
render: function() {
_.each( instances, function( instance ) {
instance.render();
} );
},
edit: function( node ) {
var viewType = $( node ).data('wpview-type'),
view = wp.mce.views.get( viewType );
if ( view ) {
view.edit( node );
}
}
};
wp.mce.views.register( 'gallery', {
View: {
template: media.template( 'editor-gallery' ),
// The fallback post ID to use as a parent for galleries that don't
// specify the `ids` or `include` parameters.
//
// Uses the hidden input on the edit posts page by default.
postID: $('#post_ID').val(),
initialize: function( options ) {
this.shortcode = options.shortcode;
this.fetch();
},
fetch: function() {
this.attachments = wp.media.gallery.attachments( this.shortcode, this.postID );
this.dfd = this.attachments.more().done( _.bind( this.render, this ) );
},
getHtml: function() {
var attrs = this.shortcode.attrs.named,
attachments = false,
options;
// Don't render errors while still fetching attachments
if ( this.dfd && 'pending' === this.dfd.state() && ! this.attachments.length ) {
return '';
}
if ( this.attachments.length ) {
attachments = this.attachments.toJSON();
_.each( attachments, function( attachment ) {
if ( attachment.sizes ) {
if ( attachment.sizes.thumbnail ) {
attachment.thumbnail = attachment.sizes.thumbnail;
} else if ( attachment.sizes.full ) {
attachment.thumbnail = attachment.sizes.full;
}
}
} );
}
options = {
attachments: attachments,
columns: attrs.columns ? parseInt( attrs.columns, 10 ) : wp.media.galleryDefaults.columns
};
return this.template( options );
}
},
edit: function( node ) {
var gallery = wp.media.gallery,
self = this,
frame, data;
data = window.decodeURIComponent( $( node ).attr('data-wpview-text') );
frame = gallery.edit( data );
frame.state('gallery-edit').on( 'update', function( selection ) {
var shortcode = gallery.shortcode( selection ).string();
$( node ).attr( 'data-wpview-text', window.encodeURIComponent( shortcode ) );
wp.mce.views.refreshView( self, shortcode );
frame.detach();
});
}
} );
/**
* These are base methods that are shared by the audio and video shortcode's MCE controller.
*
* @mixin
*/
wp.mce.av = {
View: {
overlay: true,
action: 'parse-media-shortcode',
initialize: function( options ) {
var self = this;
this.shortcode = options.shortcode;
_.bindAll( this, 'setIframes', 'setNodes', 'fetch', 'stopPlayers' );
$( this ).on( 'ready', this.setNodes );
$( document ).on( 'media:edit', this.stopPlayers );
this.fetch();
this.getEditors( function( editor ) {
editor.on( 'hide', self.stopPlayers );
});
},
setNodes: function () {
if ( this.parsed ) {
this.setIframes( this.parsed );
}
},
fetch: function () {
var self = this;
wp.ajax.send( this.action, {
data: {
post_ID: $( '#post_ID' ).val() || 0,
type: this.shortcode.tag,
shortcode: this.shortcode.string()
}
} )
.done( function( response ) {
if ( response ) {
self.parsed = response;
self.setIframes( response );
}
} )
.fail( function( response ) {
if ( response && response.message ) {
if ( ( response.type === 'not-embeddable' && self.type === 'embed' ) ||
response.type === 'not-ssl' ) {
self.setError( response.message, 'admin-media' );
} else {
self.setContent( '<p>' + self.original + '</p>', 'replace' );
}
} else if ( response && response.statusText ) {
self.setError( response.statusText, 'admin-media' );
}
} );
},
stopPlayers: function( remove ) {
var rem = remove === 'remove';
this.getNodes( function( editor, node, content ) {
var p, win,
iframe = $( 'iframe.wpview-sandbox', content ).get(0);
if ( iframe && ( win = iframe.contentWindow ) && win.mejs ) {
// Sometimes ME.js may show a "Download File" placeholder and player.remove() doesn't exist there.
try {
for ( p in win.mejs.players ) {
win.mejs.players[p].pause();
if ( rem ) {
win.mejs.players[p].remove();
}
}
} catch( er ) {}
}
});
},
unbind: function() {
this.stopPlayers( 'remove' );
}
},
/**
* Called when a TinyMCE view is clicked for editing.
* - Parses the shortcode out of the element's data attribute
* - Calls the `edit` method on the shortcode model
* - Launches the model window
* - Bind's an `update` callback which updates the element's data attribute
* re-renders the view
*
* @param {HTMLElement} node
*/
edit: function( node ) {
var media = wp.media[ this.type ],
self = this,
frame, data, callback;
$( document ).trigger( 'media:edit' );
data = window.decodeURIComponent( $( node ).attr('data-wpview-text') );
frame = media.edit( data );
frame.on( 'close', function() {
frame.detach();
} );
callback = function( selection ) {
var shortcode = wp.media[ self.type ].shortcode( selection ).string();
$( node ).attr( 'data-wpview-text', window.encodeURIComponent( shortcode ) );
wp.mce.views.refreshView( self, shortcode );
frame.detach();
};
if ( _.isArray( self.state ) ) {
_.each( self.state, function (state) {
frame.state( state ).on( 'update', callback );
} );
} else {
frame.state( self.state ).on( 'update', callback );
}
frame.open();
}
};
/**
* TinyMCE handler for the video shortcode
*
* @mixes wp.mce.av
*/
wp.mce.views.register( 'video', _.extend( {}, wp.mce.av, {
state: 'video-details'
} ) );
/**
* TinyMCE handler for the audio shortcode
*
* @mixes wp.mce.av
*/
wp.mce.views.register( 'audio', _.extend( {}, wp.mce.av, {
state: 'audio-details'
} ) );
/**
* TinyMCE handler for the playlist shortcode
*
* @mixes wp.mce.av
*/
wp.mce.views.register( 'playlist', _.extend( {}, wp.mce.av, {
state: [ 'playlist-edit', 'video-playlist-edit' ]
} ) );
/**
* TinyMCE handler for the embed shortcode
*/
wp.mce.embedMixin = {
View: _.extend( {}, wp.mce.av.View, {
overlay: true,
action: 'parse-embed',
initialize: function( options ) {
this.content = options.content;
this.original = options.url || options.shortcode.string();
if ( options.url ) {
this.shortcode = media.embed.shortcode( {
url: options.url
} );
} else {
this.shortcode = options.shortcode;
}
_.bindAll( this, 'setIframes', 'setNodes', 'fetch' );
$( this ).on( 'ready', this.setNodes );
this.fetch();
}
} ),
edit: function( node ) {
var embed = media.embed,
self = this,
frame,
data,
isURL = 'embedURL' === this.type;
$( document ).trigger( 'media:edit' );
data = window.decodeURIComponent( $( node ).attr('data-wpview-text') );
frame = embed.edit( data, isURL );
frame.on( 'close', function() {
frame.detach();
} );
frame.state( 'embed' ).props.on( 'change:url', function (model, url) {
if ( ! url ) {
return;
}
frame.state( 'embed' ).metadata = model.toJSON();
} );
frame.state( 'embed' ).on( 'select', function() {
var shortcode;
if ( isURL ) {
shortcode = frame.state( 'embed' ).metadata.url;
} else {
shortcode = embed.shortcode( frame.state( 'embed' ).metadata ).string();
}
$( node ).attr( 'data-wpview-text', window.encodeURIComponent( shortcode ) );
wp.mce.views.refreshView( self, shortcode );
frame.detach();
} );
frame.open();
}
};
wp.mce.views.register( 'embed', _.extend( {}, wp.mce.embedMixin ) );
wp.mce.views.register( 'embedURL', _.extend( {}, wp.mce.embedMixin, {
toView: function( content ) {
var re = /(?:^|<p>)(https?:\/\/[^\s"]+?)(?:<\/p>\s*|$)/gi,
match = re.exec( tinymce.trim( content ) );
if ( ! match ) {
return;
}
return {
index: match.index,
content: match[0],
options: {
url: match[1]
}
};
}
} ) );
}(jQuery));