WaitDialog.java

package me.legrange.panstamp.gui;

import me.legrange.panstamp.gui.task.Task;
import me.legrange.panstamp.gui.task.TaskRunner;

/**
 *
 * @author gideon
 */
public class WaitDialog extends javax.swing.JDialog implements TaskRunner {

    /**
     * Creates new form WaitDialog
     */
     public WaitDialog(java.awt.Frame parent, Task task) {
        super(parent, true);
        initComponents();
        setLocationRelativeTo(null);
        this.task = task;
    }
    
    public Object start() throws Throwable {
        task.start(this);
        setVisible(true);
        if (error != null) throw error;
        return result;
    }

    
    @Override
    public void completed(Object result) {
        this.result = result;
        dispose();
    }

    @Override
    public void error(Throwable e) {
        this.error = e;
        dispose();
    }

    @Override
    public void update(int progress, String stage) {
 //       progressBar.setValue(progress);
        progressLabel.setText(stage);
    }
    
    
    /**
     * 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() {

        networkPanel = new javax.swing.JPanel();
        progressLabel = new javax.swing.JLabel();
        jLabel1 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.DO_NOTHING_ON_CLOSE);
        setUndecorated(true);
        setResizable(false);

        progressLabel.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        progressLabel.setText(".");

        jLabel1.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        jLabel1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/images/ajax-loader.gif"))); // NOI18N

        javax.swing.GroupLayout networkPanelLayout = new javax.swing.GroupLayout(networkPanel);
        networkPanel.setLayout(networkPanelLayout);
        networkPanelLayout.setHorizontalGroup(
            networkPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(networkPanelLayout.createSequentialGroup()
                .addGroup(networkPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, 361, Short.MAX_VALUE)
                    .addComponent(progressLabel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addContainerGap())
        );
        networkPanelLayout.setVerticalGroup(
            networkPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, networkPanelLayout.createSequentialGroup()
                .addContainerGap(15, Short.MAX_VALUE)
                .addComponent(progressLabel)
                .addGap(18, 18, 18)
                .addComponent(jLabel1)
                .addGap(14, 14, 14))
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(networkPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(networkPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
        );

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

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLabel jLabel1;
    private javax.swing.JPanel networkPanel;
    private javax.swing.JLabel progressLabel;
    // End of variables declaration//GEN-END:variables
    private final Task task;
    private Object result;
    private Throwable error;
}