org.databene.edifatto.gui.compare.DiffView Maven / Gradle / Ivy

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/*
 * Copyright (C) 2013-2015 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.databene.edifatto.gui.compare;

import java.awt.BorderLayout;

import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.SwingUtilities;
import javax.swing.text.html.HTMLEditorKit;

import org.databene.commons.ui.swing.SwingUtil;
import org.databene.edifatto.EdiChecker;
import org.databene.edifatto.Edifatto;
import org.databene.edifatto.compare.HTMLDiffFormatter;
import org.databene.edifatto.model.Interchange;
import org.databene.edifatto.xml.NameBasedEdiToXMLConverter;
import org.databene.formats.compare.AggregateDiff;
import org.databene.formats.xml.compare.DefaultXMLComparisonModel;
import org.databene.formats.xml.compare.XMLComparisonSettings;

/**
 * Displays the diff between two Edifact documents.
 * Created: 14.06.2014 07:16:08
 * @since 1.2.1
 * @author Volker Bergmann
 */

public class DiffView extends JPanel {
	
	private static final long serialVersionUID = 1L;
	
	private static final String CSS_PATH = "org/databene/edifatto/edifatto-gui.css";
	
	private JEditorPane htmlPane;
	private JScrollPane scroller;
	
	public DiffView() {
		super(new BorderLayout());
		this.htmlPane = createHTMLPane();
		this.scroller = new JScrollPane(htmlPane);
		add(scroller, BorderLayout.CENTER);
	}

	public void setDiff(AggregateDiff diff) {
		String html = new HTMLDiffFormatter(CSS_PATH).formatDiffAsHtml(diff);
		this.htmlPane.setText(html);
		// scroll to top of pane
		SwingUtilities.invokeLater(new Runnable() {
			@Override
			public void run() {
				scroller.getVerticalScrollBar().setValue(0);
			}
		});
	}


	// private helper methods ------------------------------------------------------------------------------------------

	private JEditorPane createHTMLPane() {
		JEditorPane pane = new JEditorPane();
		pane.setEditorKit(new HTMLEditorKit());
		pane.setEditable(false);
		putClientProperty(JEditorPane.HONOR_DISPLAY_PROPERTIES, Boolean.TRUE);
		return pane;
	}
	
	public static void main(String[] args) throws Exception {
		JFrame frame = new JFrame();
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		Interchange ic1 = Edifatto.parseEdiFile("IFTDGN_1.edi");
		//Interchange ic2 = Edifatto.parseEdiFile("IFTDGN_1_reordered_CNI.edi");
		Interchange ic2 = Edifatto.parseEdiFile("IFTDGN_2.edi");
		
		DefaultXMLComparisonModel model = new DefaultXMLComparisonModel();
		model.addKeyExpression("L-CNI_25", ".//E-1004_25_02.01");
		XMLComparisonSettings settings = new XMLComparisonSettings(model);
		NameBasedEdiToXMLConverter converter = new NameBasedEdiToXMLConverter();
		EdiChecker checker = new EdiChecker(settings, converter);
		AggregateDiff diffs = checker.diff(ic1, ic2);
		
		DiffView diffPane = new DiffView();
		diffPane.setDiff(diffs);
		frame.getContentPane().add(diffPane, BorderLayout.CENTER);
		frame.setSize(800, 600);
		SwingUtil.center(frame);
		frame.setVisible(true);
	}

}