au.org.ala.delta.ui.TextFileViewer.java Source code

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Here is the source code for au.org.ala.delta.ui.TextFileViewer.java

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/*******************************************************************************
 * Copyright (C) 2011 Atlas of Living Australia
 * All Rights Reserved.
 * 
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (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.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 ******************************************************************************/
package au.org.ala.delta.ui;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Window;
import java.io.File;
import java.io.IOException;

import javax.swing.JDialog;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.UIManager;

import org.apache.commons.io.FileUtils;

/**
 * A dialog containing a read only EditorPane in a scroll pane that 
 * can be used for displaying plain text information to the user.
 */
public class TextFileViewer extends JDialog {

    private static final long serialVersionUID = 9109806191571551508L;

    private JTextPane viewer;

    public TextFileViewer(Window owner, File file) throws IOException {
        super(owner);
        setModal(true);
        getContentPane().setLayout(new BorderLayout());
        viewer = new JTextPane();

        viewer.setEditable(false);
        viewer.setBackground(Color.WHITE);
        viewer.setBorder(null);
        viewer.setOpaque(true);
        viewer.setFont(UIManager.getFont("Label.font"));

        JScrollPane scroller = new JScrollPane(viewer);
        getContentPane().add(scroller, BorderLayout.CENTER);

        setTitle(file.getAbsolutePath());
        displayFileContents(file);
        pack();
    }

    private void displayFileContents(File file) throws IOException {
        String text = FileUtils.readFileToString(file);
        viewer.setText(text);
    }
}