mediawiki-extensions-Visual.../modules/ve-mw/ui/dialogs/ve.ui.MWExtensionPreviewDialog.js

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/*!
* VisualEditor UserInterface MWExtensionPreviewDialog class.
*
* @copyright 2011-2017 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* Dialog for editing generic MediaWiki extensions with a preview.
*
* @class
* @abstract
* @extends ve.ui.MWExtensionDialog
*
* @constructor
* @param {Object} [config] Configuration options
*/
ve.ui.MWExtensionPreviewDialog = function VeUiMWExtensionPreviewDialog() {
// Parent constructor
ve.ui.MWExtensionPreviewDialog.super.apply( this, arguments );
this.updatePreviewDebounced = ve.debounce( this.updatePreview.bind( this ), 250 );
};
/* Inheritance */
OO.inheritClass( ve.ui.MWExtensionPreviewDialog, ve.ui.MWExtensionDialog );
/* Methods */
/**
* @inheritdoc
*/
ve.ui.MWExtensionPreviewDialog.prototype.initialize = function () {
// Parent method
ve.ui.MWExtensionPreviewDialog.super.prototype.initialize.call( this );
// Properties
this.previewNode = null;
this.previewElement = new ve.ui.MWPreviewElement();
// Initialization
this.$element.addClass( 've-ui-mwExtensionPreviewDialog' );
};
/**
* @inheritdoc
*/
ve.ui.MWExtensionPreviewDialog.prototype.getSetupProcess = function ( data ) {
return ve.ui.MWExtensionPreviewDialog.super.prototype.getSetupProcess.call( this, data )
.next( function () {
var doc, element, rootNode, linearData;
if ( this.selectedNode ) {
element = this.selectedNode.getClonedElement();
} else {
element = this.getNewElement();
}
linearData = [ element, { type: '/' + element.type } ];
if ( ve.dm.nodeFactory.isNodeContent( element.type ) ) {
linearData = [ { type: 'paragraph' } ].concat( linearData, { type: '/paragraph' } );
}
// We assume that WindowAction pass
doc = data.fragment.getDocument().cloneWithData( linearData.concat( [
{ type: 'internalList' },
{ type: '/internalList' }
] ) );
rootNode = doc.getDocumentNode().children[ 0 ];
this.previewNode = doc.getNodesByType( element.type )[ 0 ];
this.previewElement.setModel( rootNode );
}, this );
};
/**
* @inheritdoc
*/
ve.ui.MWExtensionPreviewDialog.prototype.onChange = function () {
// Parent method
ve.ui.MWExtensionPreviewDialog.super.prototype.onChange.call( this );
this.updatePreviewDebounced();
};
/**
* Update the node rendering to reflect the current content in the dialog.
*/
ve.ui.MWExtensionPreviewDialog.prototype.updatePreview = function () {
var mwData = ve.copy( this.previewNode.getAttribute( 'mw' ) ),
doc = this.previewNode.getDocument();
this.updateMwData( mwData );
doc.commit(
ve.dm.TransactionBuilder.static.newFromAttributeChanges(
doc, this.previewNode.getOuterRange().start, { mw: mwData }
)
);
this.previewElement.updatePreview();
};