317 lines
7.5 KiB
JavaScript
317 lines
7.5 KiB
JavaScript
/* global tinymce */
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// Ensure the global `wp` object exists.
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window.wp = window.wp || {};
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(function($){
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var views = {},
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instances = {},
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media = wp.media,
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viewOptions = ['encodedText'];
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// Create the `wp.mce` object if necessary.
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wp.mce = wp.mce || {};
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/**
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* wp.mce.View
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*
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* A Backbone-like View constructor intended for use when rendering a TinyMCE View. The main difference is
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* that the TinyMCE View is not tied to a particular DOM node.
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*/
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wp.mce.View = function( options ) {
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options || (options = {});
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_.extend(this, _.pick(options, viewOptions));
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this.initialize.apply(this, arguments);
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};
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_.extend( wp.mce.View.prototype, {
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initialize: function() {},
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html: function() {},
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render: function() {
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var html = this.getHtml();
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// Search all tinymce editor instances and update the placeholders
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_.each( tinymce.editors, function( editor ) {
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var doc;
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if ( editor.plugins.wpview ) {
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doc = editor.getDoc();
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$( doc ).find( '[data-wpview-text="' + this.encodedText + '"]' ).html( html );
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}
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}, this );
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}
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} );
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// take advantage of the Backbone extend method
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wp.mce.View.extend = Backbone.View.extend;
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/**
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* wp.mce.views
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*
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* A set of utilities that simplifies adding custom UI within a TinyMCE editor.
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* At its core, it serves as a series of converters, transforming text to a
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* custom UI, and back again.
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*/
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wp.mce.views = {
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/**
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* wp.mce.views.register( type, view )
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*
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* Registers a new TinyMCE view.
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*
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* @param type
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* @param constructor
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*
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*/
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register: function( type, constructor ) {
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views[ type ] = constructor;
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},
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/**
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* wp.mce.views.get( id )
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*
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* Returns a TinyMCE view constructor.
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*/
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get: function( type ) {
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return views[ type ];
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},
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/**
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* wp.mce.views.unregister( type )
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*
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* Unregisters a TinyMCE view.
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*/
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unregister: function( type ) {
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delete views[ type ];
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},
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/**
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* toViews( content )
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* Scans a `content` string for each view's pattern, replacing any
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* matches with wrapper elements, and creates a new instance for
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* every match, which triggers the related data to be fetched.
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*
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*/
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toViews: function( content ) {
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var pieces = [ { content: content } ],
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current;
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_.each( views, function( view, viewType ) {
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current = pieces.slice();
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pieces = [];
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_.each( current, function( piece ) {
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var remaining = piece.content,
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result;
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// Ignore processed pieces, but retain their location.
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if ( piece.processed ) {
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pieces.push( piece );
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return;
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}
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// Iterate through the string progressively matching views
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// and slicing the string as we go.
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while ( remaining && (result = view.toView( remaining )) ) {
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// Any text before the match becomes an unprocessed piece.
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if ( result.index ) {
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pieces.push({ content: remaining.substring( 0, result.index ) });
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}
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// Add the processed piece for the match.
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pieces.push({
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content: wp.mce.views.toView( viewType, result.content, result.options ),
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processed: true
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});
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// Update the remaining content.
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remaining = remaining.slice( result.index + result.content.length );
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}
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// There are no additional matches. If any content remains,
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// add it as an unprocessed piece.
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if ( remaining ) {
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pieces.push({ content: remaining });
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}
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});
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});
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return _.pluck( pieces, 'content' ).join('');
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},
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/**
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* Create a placeholder for a particular view type
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*
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* @param viewType
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* @param text
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* @param options
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*
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*/
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toView: function( viewType, text, options ) {
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var view = wp.mce.views.get( viewType ),
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encodedText = window.encodeURIComponent( text ),
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instance, viewOptions;
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if ( ! view ) {
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return text;
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}
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if ( ! wp.mce.views.getInstance( encodedText ) ) {
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viewOptions = options;
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viewOptions.encodedText = encodedText;
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instance = new view.View( viewOptions );
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instances[ encodedText ] = instance;
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}
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return wp.html.string({
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tag: 'div',
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attrs: {
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'class': 'wpview-wrap wpview-type-' + viewType,
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'data-wpview-text': encodedText,
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'data-wpview-type': viewType,
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'contenteditable': 'false'
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},
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content: '\u00a0'
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});
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},
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/**
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* Refresh views after an update is made
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*
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* @param view {object} being refreshed
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* @param text {string} textual representation of the view
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*/
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refreshView: function( view, text ) {
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var encodedText = window.encodeURIComponent( text ),
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viewOptions,
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result, instance;
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instance = wp.mce.views.getInstance( encodedText );
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if ( ! instance ) {
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result = view.toView( text );
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viewOptions = result.options;
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viewOptions.encodedText = encodedText;
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instance = new view.View( viewOptions );
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instances[ encodedText ] = instance;
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}
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wp.mce.views.render();
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},
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getInstance: function( encodedText ) {
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return instances[ encodedText ];
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},
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/**
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* render( scope )
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*
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* Renders any view instances inside a DOM node `scope`.
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*
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* View instances are detected by the presence of wrapper elements.
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* To generate wrapper elements, pass your content through
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* `wp.mce.view.toViews( content )`.
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*/
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render: function() {
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_.each( instances, function( instance ) {
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instance.render();
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} );
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},
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edit: function( node ) {
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var viewType = $( node ).data('wpview-type'),
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view = wp.mce.views.get( viewType );
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if ( view ) {
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view.edit( node );
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}
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}
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};
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wp.mce.gallery = {
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shortcode: 'gallery',
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toView: function( content ) {
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var match = wp.shortcode.next( this.shortcode, content );
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if ( ! match ) {
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return;
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}
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return {
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index: match.index,
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content: match.content,
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options: {
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shortcode: match.shortcode
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}
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};
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},
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View: wp.mce.View.extend({
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className: 'editor-gallery',
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template: media.template('editor-gallery'),
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// The fallback post ID to use as a parent for galleries that don't
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// specify the `ids` or `include` parameters.
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//
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// Uses the hidden input on the edit posts page by default.
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postID: $('#post_ID').val(),
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initialize: function( options ) {
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this.shortcode = options.shortcode;
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this.fetch();
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},
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fetch: function() {
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this.attachments = wp.media.gallery.attachments( this.shortcode, this.postID );
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this.attachments.more().done( _.bind( this.render, this ) );
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},
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getHtml: function() {
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var attrs = this.shortcode.attrs.named,
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options,
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attachments;
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if ( ! this.attachments.length ) {
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return;
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}
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attachments = this.attachments.toJSON();
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_.each( attachments, function( attachment ) {
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if ( attachment.sizes.thumbnail ) {
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attachment.thumbnail = attachment.sizes.thumbnail;
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} else {
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attachment.thumbnail = attachment.sizes.full;
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}
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} );
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options = {
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attachments: attachments,
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columns: attrs.columns ? parseInt( attrs.columns, 10 ) : 3
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};
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return this.template( options );
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}
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}),
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edit: function( node ) {
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var gallery = wp.media.gallery,
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self = this,
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frame, data;
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data = window.decodeURIComponent( $( node ).attr('data-wpview-text') );
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frame = gallery.edit( data );
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frame.state('gallery-edit').on( 'update', function( selection ) {
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var shortcode = gallery.shortcode( selection ).string();
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$( node ).attr( 'data-wpview-text', window.encodeURIComponent( shortcode ) );
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wp.mce.views.refreshView( self, shortcode );
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frame.detach();
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});
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}
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};
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wp.mce.views.register( 'gallery', wp.mce.gallery );
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}(jQuery));
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