95 lines
2.4 KiB
Java
95 lines
2.4 KiB
Java
/*
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*
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* Copyright (C) 2003 Kent Hansen.
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*
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* This file is part of Tile Mangler.
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*
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* Tile Mangler is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Tile Mangler is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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package tm.ui;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.*;
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import tm.threads.ProgressThread;
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/**
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*
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* Modal dialog that takes a worker thread and runs it in the background while
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* updating a progress bar to reflect how far along the work is.
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* The dialog unblocks when the work is completely done.
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*
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**/
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public class ProgressDialog extends JDialog implements ActionListener {
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private JProgressBar progressBar = new JProgressBar(0, 100);
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private ProgressThread thread;
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private Timer timer;
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/**
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*
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* Creates a ProgressDialog for the given ProgressThread.
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*
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**/
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public ProgressDialog(Frame owner, ProgressThread thread) {
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super(owner);
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this.thread = thread;
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setModal(true);
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setUndecorated(true);
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getContentPane().add(progressBar);
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setSize(256, 64);
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center();
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progressBar.setValue(0);
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progressBar.setStringPainted(true);
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timer = new Timer(100, this); // how often the progress bar will be updated
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timer.start();
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thread.start();
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setVisible(true);
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}
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/**
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*
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* Centers the dialog.
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*
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**/
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private void center() {
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Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
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int insetx = (screenSize.width - getWidth()) / 2;
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int insety = (screenSize.height - getHeight()) / 2;
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setBounds(insetx, insety,
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getWidth(), getHeight());
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}
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/**
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*
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* Updates the progress bar every timer tick.
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*
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**/
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public void actionPerformed(ActionEvent e) {
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progressBar.setValue(thread.getPercentageCompleted());
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if (thread.getPercentageCompleted() == 100) {
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timer.stop();
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setVisible(false);
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}
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}
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} |