source: release-kits/shared/ant-installer/src/org/tp23/antinstaller/selfextract/ProgressIndicator.java@ 17514

/* 
 * Copyright 2005 Paul Hinds
 *
 * 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.tp23.antinstaller.selfextract;

import java.awt.BorderLayout;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.GraphicsConfiguration;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.util.ResourceBundle;

import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import javax.swing.UIManager;
import javax.swing.border.BevelBorder;
import javax.swing.border.Border;



/**
 *
 * <p>Frame to indicate progress of the extraction of a SelfExctracting archive </p>
 * <p> </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: tp23</p>
 * @author Paul Hinds
 * @version $Id: ProgressIndicator.java,v 1.3 2007/01/28 08:44:40 teknopaul Exp $
 */
public class ProgressIndicator
    extends JFrame {

    public static final String IMAGE_RESOURCE = "/resources/extract-image.png";

    private JPanel jPanel1 = new JPanel();
    private JProgressBar jProgressBar1 = new JProgressBar();
    private JLabel textLabel = new JLabel();
    private Border border1;
    private int max = 0;
    private static int PAGE_WIDTH = 160;
    private static int PAGE_HEIGHT = 110; // 35 is text + bar
    private String title = org.tp23.antinstaller.Installer.langPack.getString("extracting");
    private JLabel imagePanel = new JLabel();
    GridBagLayout gridBagLayout1 = new GridBagLayout();
    private boolean useIcon = true;



    public ProgressIndicator(int max) {
        this.max = max;
        jbInit();
    }

    public ProgressIndicator(int max, String title) {
        this.max = max;
        this.title = title;
        jbInit();
    }

    private void setLocation() {
        GraphicsConfiguration config = getGraphicsConfiguration();
        int x = (int) config.getBounds().getCenterX() - (PAGE_WIDTH / 2);
        int y = (int) config.getBounds().getCenterY() - (PAGE_HEIGHT / 2);
        setLocation(x, y);
    }


    private void jbInit() {
        border1 = BorderFactory.createCompoundBorder(
            BorderFactory.createBevelBorder(BevelBorder.RAISED),
            BorderFactory.createEmptyBorder(4, 4, 4, 4));
        jPanel1.setLayout(gridBagLayout1);
        int row = 0;
        this.getContentPane().add(jPanel1, BorderLayout.CENTER);
        if (useIcon) {
            PAGE_HEIGHT = 110;
            setImage();
            jPanel1.add(imagePanel, new GridBagConstraints(0, row++, 1, 1, 0.1, 0.9
                , GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, new Insets(0, 0, 0, 0), 0, 0));
            this.setSize(new Dimension(PAGE_WIDTH, PAGE_HEIGHT));
        }
        else {
            PAGE_HEIGHT = 40;
            this.setSize(new Dimension(PAGE_WIDTH, 35));
        }
        jPanel1.setBorder(border1);
        jPanel1.setMaximumSize(new Dimension(PAGE_WIDTH, PAGE_HEIGHT));
        jPanel1.setMinimumSize(new Dimension(PAGE_WIDTH, PAGE_HEIGHT));
        jPanel1.setPreferredSize(new Dimension(PAGE_WIDTH, PAGE_HEIGHT));
        textLabel.setText(title);
        this.setTitle(title);
        jPanel1.add(textLabel, new GridBagConstraints(0, row++, 1, 1, 0.1, 0.1
            , GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(0, 0, 0, 0), 0, 0));
        jPanel1.add(jProgressBar1, new GridBagConstraints(0, row++, 1, 1, 0.1, 0.1
            , GridBagConstraints.SOUTH, GridBagConstraints.HORIZONTAL, new Insets(0, 0, 0, 0), 0, 0));
        jProgressBar1.setMinimum(0);
        jProgressBar1.setMaximum(max);
        this.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
        this.setSize(new Dimension(PAGE_WIDTH, PAGE_HEIGHT));
        this.setResizable(false);
        this.setUndecorated(true);
        setLocation();
    }

    public void tick() {
        jProgressBar1.setValue(jProgressBar1.getValue() + 1);
    }

    private void setImage() {
        try {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            InputStream in = this.getClass().getResourceAsStream(IMAGE_RESOURCE);
            byte[] buffer = new byte[2048];
            int read = -1;
            while ( (read = in.read(buffer)) != -1) {
                baos.write(buffer, 0, read);
            }
            ImageIcon icon = new ImageIcon(baos.toByteArray());
            imagePanel.setHorizontalAlignment(JLabel.CENTER);
            imagePanel.setIcon(icon);
        }
        catch (Exception ex) {
        }
    }

    /**
     * TODO move to JUnit
     * @param args
     */
    public static void main(String[] args) {
        try {
            ProgressIndicator indicator = null;
            indicator = new ProgressIndicator(200);
            indicator.show();
            UIManager.setLookAndFeel("org.tp23.jgoodies.plaf.plastic.PlasticXPLookAndFeel");
        }
        catch (Exception ex) {
            // not concerned about Look and Feel
        }

    }
}