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* Reactivates the `wpgallery` and `wpeditimage` TinyMCE plugins. Deactivates the `wpviews` TinyMCE plugin. * Moves still-relevant logic from `mce-views.js` to `media-upload.js` and `shortcode.js`. * No longer include `wp-includes/js/mce-views.js`. This code will not be used in 3.5, and should be considered unstable. * Currently, this is the real 3.4 experience; as such, editing triggers the old modals. Changing this is the next major step. When reassessing views, we should look over all of these tickets and anticipate these bugs accordingly. fixes #21813, #22123, #22155, #22161, #22257, #22266, #22318, #22407, see #21390. git-svn-id: http://core.svn.wordpress.org/trunk@22567 1a063a9b-81f0-0310-95a4-ce76da25c4cd
349 lines
9.6 KiB
JavaScript
349 lines
9.6 KiB
JavaScript
// 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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// Create the `wp.mce` object if necessary.
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wp.mce = wp.mce || {};
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// wp.mce.view
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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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wp.mce.view = {
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// ### defaults
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defaults: {
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// The default properties used for objects with the `pattern` key in
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// `wp.mce.view.add()`.
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pattern: {
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view: Backbone.View,
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text: function( instance ) {
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return instance.options.original;
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},
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toView: function( content ) {
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if ( ! this.pattern )
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return;
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this.pattern.lastIndex = 0;
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var match = this.pattern.exec( content );
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if ( ! match )
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return;
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return {
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index: match.index,
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content: match[0],
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options: {
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original: match[0],
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results: match
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}
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};
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}
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},
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// The default properties used for objects with the `shortcode` key in
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// `wp.mce.view.add()`.
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shortcode: {
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view: Backbone.View,
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text: function( instance ) {
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return instance.options.shortcode.string();
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},
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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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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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}
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},
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// ### add( id, options )
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// Registers a new TinyMCE view.
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//
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// Accepts a unique `id` and an `options` object.
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//
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// `options` accepts the following properties:
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//
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// * `pattern` is the regular expression used to scan the content and
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// detect matching views.
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//
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// * `view` is a `Backbone.View` constructor. If a plain object is
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// provided, it will automatically extend the parent constructor
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// (usually `Backbone.View`). Views are instantiated when the `pattern`
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// is successfully matched. The instance's `options` object is provided
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// with the `original` matched value, the match `results` including
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// capture groups, and the `viewType`, which is the constructor's `id`.
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//
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// * `extend` an existing view by passing in its `id`. The current
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// view will inherit all properties from the parent view, and if
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// `view` is set to a plain object, it will extend the parent `view`
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// constructor.
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//
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// * `text` is a method that accepts an instance of the `view`
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// constructor and transforms it into a text representation.
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add: function( id, options ) {
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var parent, remove, base, properties;
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// Fetch the parent view or the default options.
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if ( options.extend )
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parent = wp.mce.view.get( options.extend );
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else if ( options.shortcode )
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parent = wp.mce.view.defaults.shortcode;
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else
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parent = wp.mce.view.defaults.pattern;
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// Extend the `options` object with the parent's properties.
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_.defaults( options, parent );
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options.id = id;
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// Create properties used to enhance the view for use in TinyMCE.
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properties = {
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// Ensure the wrapper element and references to the view are
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// removed. Otherwise, removed views could randomly restore.
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remove: function() {
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delete instances[ this.el.id ];
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this.$el.parent().remove();
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// Trigger the inherited `remove` method.
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if ( remove )
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remove.apply( this, arguments );
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return this;
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}
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};
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// If the `view` provided was an object, use the parent's
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// `view` constructor as a base. If a `view` constructor
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// was provided, treat that as the base.
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if ( _.isFunction( options.view ) ) {
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base = options.view;
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} else {
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base = parent.view;
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remove = options.view.remove;
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_.defaults( properties, options.view );
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}
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// If there's a `remove` method on the `base` view that wasn't
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// created by this method, inherit it.
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if ( ! remove && ! base._mceview )
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remove = base.prototype.remove;
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// Automatically create the new `Backbone.View` constructor.
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options.view = base.extend( properties, {
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// Flag that the new view has been created by `wp.mce.view`.
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_mceview: true
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});
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views[ id ] = options;
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},
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// ### get( id )
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// Returns a TinyMCE view options object.
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get: function( id ) {
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return views[ id ];
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},
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// ### remove( id )
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// Unregisters a TinyMCE view.
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remove: function( id ) {
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delete views[ id ];
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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 view instance for
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// every match.
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//
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// To render the views, call `wp.mce.view.render( scope )`.
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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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// Add the processed piece for the match.
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pieces.push({
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content: wp.mce.view.toView( viewType, 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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return _.pluck( pieces, 'content' ).join('');
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},
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toView: function( viewType, options ) {
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var view = wp.mce.view.get( viewType ),
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instance, id;
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if ( ! view )
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return '';
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// Create a new view instance.
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instance = new view.view( _.extend( options || {}, {
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viewType: viewType
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}) );
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// Use the view's `id` if it already exists. Otherwise,
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// create a new `id`.
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id = instance.el.id = instance.el.id || _.uniqueId('__wpmce-');
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instances[ id ] = instance;
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// Create a dummy `$wrapper` property to allow `$wrapper` to be
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// called in the view's `render` method without a conditional.
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instance.$wrapper = $();
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return wp.html.string({
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// If the view is a span, wrap it in a span.
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tag: 'span' === instance.tagName ? 'span' : 'div',
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attrs: {
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'class': 'wp-view-wrap wp-view-type-' + viewType,
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'data-wp-view': id,
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'contenteditable': false
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}
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});
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},
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// ### render( scope )
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// Renders any view instances inside a DOM node `scope`.
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//
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// View instances are detected by the presence of wrapper elements.
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// To generate wrapper elements, pass your content through
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// `wp.mce.view.toViews( content )`.
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render: function( scope ) {
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$( '.wp-view-wrap', scope ).each( function() {
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var wrapper = $(this),
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view = wp.mce.view.instance( this );
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if ( ! view )
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return;
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// Link the real wrapper to the view.
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view.$wrapper = wrapper;
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// Render the view.
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view.render();
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// Detach the view element to ensure events are not unbound.
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view.$el.detach();
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// Empty the wrapper, attach the view element to the wrapper,
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// and add an ending marker to the wrapper to help regexes
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// scan the HTML string.
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wrapper.empty().append( view.el ).append('<span data-wp-view-end class="wp-view-end"></span>');
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});
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},
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// ### toText( content )
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// Scans an HTML `content` string and replaces any view instances with
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// their respective text representations.
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toText: function( content ) {
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return content.replace( /<(?:div|span)[^>]+data-wp-view="([^"]+)"[^>]*>.*?<span[^>]+data-wp-view-end[^>]*><\/span><\/(?:div|span)>/g, function( match, id ) {
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var instance = instances[ id ],
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view;
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if ( instance )
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view = wp.mce.view.get( instance.options.viewType );
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return instance && view ? view.text( instance ) : '';
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});
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},
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// ### Remove internal TinyMCE attributes.
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removeInternalAttrs: function( attrs ) {
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var result = {};
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_.each( attrs, function( value, attr ) {
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if ( -1 === attr.indexOf('data-mce') )
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result[ attr ] = value;
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});
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return result;
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},
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// ### Parse an attribute string and removes internal TinyMCE attributes.
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attrs: function( content ) {
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return wp.mce.view.removeInternalAttrs( wp.html.attrs( content ) );
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},
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// ### instance( scope )
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//
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// Accepts a MCE view wrapper `node` (i.e. a node with the
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// `wp-view-wrap` class).
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instance: function( node ) {
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var id = $( node ).data('wp-view');
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if ( id )
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return instances[ id ];
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},
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// ### Select a view.
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//
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// Accepts a MCE view wrapper `node` (i.e. a node with the
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// `wp-view-wrap` class).
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select: function( node ) {
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var $node = $(node);
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// Bail if node is already selected.
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if ( $node.hasClass('selected') )
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return;
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$node.addClass('selected');
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$( node.firstChild ).trigger('select');
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},
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// ### Deselect a view.
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//
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// Accepts a MCE view wrapper `node` (i.e. a node with the
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// `wp-view-wrap` class).
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deselect: function( node ) {
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var $node = $(node);
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// Bail if node is already selected.
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if ( ! $node.hasClass('selected') )
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return;
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$node.removeClass('selected');
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$( node.firstChild ).trigger('deselect');
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}
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};
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}(jQuery)); |