All files / src/ui/datatransferhandlers ve.ui.DSVFileTransferHandler.js

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/*!
 * VisualEditor UserInterface delimiter-separated values file transfer handler class.
 *
 * @copyright See AUTHORS.txt
 */
 
/**
 * Delimiter-separated values file transfer handler.
 *
 * @class
 * @extends ve.ui.FileTransferHandler
 *
 * @constructor
 * @param {ve.ui.Surface} surface
 * @param {ve.ui.DataTransferItem} item
 */
ve.ui.DSVFileTransferHandler = function VeUiDSVFileTransferHandler() {
	// Parent constructor
	ve.ui.DSVFileTransferHandler.super.apply( this, arguments );
};
 
/* Inheritance */
 
OO.inheritClass( ve.ui.DSVFileTransferHandler, ve.ui.FileTransferHandler );
 
/* Static properties */
 
ve.ui.DSVFileTransferHandler.static.name = 'dsv';
 
ve.ui.DSVFileTransferHandler.static.types = [ 'text/csv', 'text/tab-separated-values' ];
 
ve.ui.DSVFileTransferHandler.static.extensions = [ 'csv', 'tsv' ];
 
/* Methods */
 
/**
 * @inheritdoc
 */
ve.ui.DSVFileTransferHandler.prototype.onFileLoad = function () {
	var data = [],
		input = Papa.parse( this.reader.result );
 
	Iif ( input.meta.aborted || ( input.data.length <= 0 ) ) {
		this.abort();
	} else {
		// Lookup the type for table elements
		var tableNodeName = ve.dm.modelRegistry.matchElement( document.createElement( 'table' ) );
		var tableNodeClass = ve.dm.modelRegistry.lookup( tableNodeName );
		var tableElement = { type: tableNodeName };
		// Sanitize, as this can add default attributes for the table type
		tableNodeClass.static.sanitize( tableElement );
 
		data.push(
			tableElement,
			{ type: 'tableSection', attributes: { style: 'body' } }
		);
 
		for ( var i = 0; i < input.data.length; i++ ) {
			var line = input.data[ i ];
 
			// Skip 'empty' row if at the end of the file
			if ( i === input.data.length - 1 && line.length === 1 && line[ 0 ] === '' ) {
				continue;
			}
 
			data.push( { type: 'tableRow' } );
			for ( var j = 0; j < line.length; j++ ) {
				data.push(
					{ type: 'tableCell', attributes: { style: ( i === 0 ? 'header' : 'data' ) } },
					{ type: 'paragraph', internal: { generated: 'wrapper' } }
				);
				data = data.concat( line[ j ].split( '' ) );
				data.push(
					{ type: '/paragraph' },
					{ type: '/tableCell' }
				);
			}
			data.push( { type: '/tableRow' } );
		}
 
		data.push(
			{ type: '/tableSection' },
			{ type: '/' + tableElement.type }
		);
 
		this.resolve( data );
	}
 
	// Parent method
	ve.ui.DSVFileTransferHandler.super.prototype.onFileLoad.apply( this, arguments );
};
 
/* Registration */
 
ve.ui.dataTransferHandlerFactory.register( ve.ui.DSVFileTransferHandler );