/* 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. * * @return {String} The string with markers. */ setMarkers: function( content ) { 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 ) } ); } 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 : '
' + text + '
', 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( /\s*
' ); }, /** * 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
and
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, {
/**
* 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 $viewNode;
if ( ! this.loader && $( node ).text() !== tinymce.DOM.decode( this.text ) ) {
editor.dom.setAttrib( node, 'data-wpview-marker', null );
return;
}
$viewNode = editor.$(
'