/*
 * Copyright (C) 2013 Aaron Madlon-Kay <aaron@madlon-kay.com>.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301  USA
 */
package org.madlonkay.supertmxmerge.gui;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFrame;
import javax.swing.Timer;
import org.madlonkay.supertmxmerge.util.GuiUtil;
import org.madlonkay.supertmxmerge.util.LocString;

/**
 *
 * @author Aaron Madlon-Kay <aaron@madlon-kay.com>
 */
public class ProgressWindow extends javax.swing.JFrame implements ActionListener {

    private final Timer timer;
    
    private final int millisToPopup = 2000;
    private final int millisToDecidePopup = 500;
    
    private boolean maxIsSet = false;
    
    /**
     * Creates new form ProgressWindow
     */
    public ProgressWindow() {
        initComponents();
        timer = new Timer(millisToDecidePopup, this);
        timer.setRepeats(false);
        timer.start();
    }
    
    public void setMaximum(int max) {
        maxIsSet = true;
        progressBar.setMaximum(max);
    }
    
    public void setValue(int value) {
        if (!maxIsSet) {
            throw new UnsupportedOperationException("Must set maximum before setting value.");
        }
        progressBar.setIndeterminate(false);
        progressBar.setValue(value);
    }
    
    public void setMessage(String text) {
        label.setText(text);
    }
    
    @Override
    public void actionPerformed(ActionEvent e) {
        if (shouldShowPopup()) {
            GuiUtil.displayWindowCentered(this);
        }
    }
    
    private boolean shouldShowPopup() {
        if (progressBar.isIndeterminate()) {
            return true;
        }
        if (progressBar.getValue() == progressBar.getMaximum()) {
            return false;
        }
        int min = progressBar.getMinimum();
        int max = progressBar.getMaximum();
        int current = progressBar.getValue();
        int required = (max - min) / (current - min) * timer.getInitialDelay();
        return required > millisToPopup;
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        filler1 = new javax.swing.Box.Filler(new java.awt.Dimension(20, 0), new java.awt.Dimension(20, 0), new java.awt.Dimension(20, 0));
        filler3 = new javax.swing.Box.Filler(new java.awt.Dimension(0, 10), new java.awt.Dimension(0, 10), new java.awt.Dimension(0, 10));
        filler2 = new javax.swing.Box.Filler(new java.awt.Dimension(20, 0), new java.awt.Dimension(20, 0), new java.awt.Dimension(20, 0));
        filler4 = new javax.swing.Box.Filler(new java.awt.Dimension(0, 10), new java.awt.Dimension(0, 10), new java.awt.Dimension(0, 10));
        jPanel1 = new javax.swing.JPanel();
        label = new javax.swing.JLabel();
        progressBar = new javax.swing.JProgressBar();

        setDefaultCloseOperation(javax.swing.WindowConstants.DO_NOTHING_ON_CLOSE);
        setTitle(LocString.get("progress_window_title")); // NOI18N
        addWindowListener(new java.awt.event.WindowAdapter() {
            public void windowClosing(java.awt.event.WindowEvent evt) {
                formWindowClosing(evt);
            }
        });
        getContentPane().add(filler1, java.awt.BorderLayout.WEST);
        getContentPane().add(filler3, java.awt.BorderLayout.NORTH);
        getContentPane().add(filler2, java.awt.BorderLayout.EAST);
        getContentPane().add(filler4, java.awt.BorderLayout.PAGE_END);

        jPanel1.setLayout(new java.awt.GridLayout(0, 1));

        label.setText(LocString.get("progress_window_label")); // NOI18N
        jPanel1.add(label);

        progressBar.setIndeterminate(true);
        progressBar.setPreferredSize(new java.awt.Dimension(300, 14));
        jPanel1.add(progressBar);

        getContentPane().add(jPanel1, java.awt.BorderLayout.CENTER);

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void formWindowClosing(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_formWindowClosing
        // Do nothing. Don't allow user to close.
    }//GEN-LAST:event_formWindowClosing

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.Box.Filler filler1;
    private javax.swing.Box.Filler filler2;
    private javax.swing.Box.Filler filler3;
    private javax.swing.Box.Filler filler4;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JLabel label;
    private javax.swing.JProgressBar progressBar;
    // End of variables declaration//GEN-END:variables
}

@@ -928,35 +928,8 @@
 er;%0A
-import javax.swing.JFrame;%0A
 impo

Remove unused import