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package tim.prune.gui;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import tim.prune.I18nManager;
import tim.prune.function.Cancellable;
/**
* Class to show a progress dialog for various time-consuming functions
*/
public class GenericProgressDialog
{
private JDialog _progressDialog = null;
private String _dialogTitleKey = null;
private String _labelKey = null;
private JProgressBar _progressBar = null;
private JFrame _parentFrame = null;
private Cancellable _function = null;
/**
* Constructor
* @param inTitleKey key for dialog title text
* @param inLabelKey key for label text
* @param inParentFrame parent frame for creating dialog
* @param inFunction function which can be cancelled
*/
public GenericProgressDialog(String inTitleKey, String inLabelKey,
JFrame inParentFrame, Cancellable inFunction)
{
_dialogTitleKey = inTitleKey;
_labelKey = inLabelKey;
if (_labelKey == null) {
_labelKey = "confirm.running";
}
_parentFrame = inParentFrame;
_function = inFunction;
}
/**
* Create the dialog to show the progress
*/
private void createProgressDialog()
{
_progressDialog = new JDialog(_parentFrame, I18nManager.getText(_dialogTitleKey));
_progressDialog.setLocationRelativeTo(_parentFrame);
_progressBar = new JProgressBar(0, 100);
_progressBar.setValue(0);
_progressBar.setStringPainted(true);
_progressBar.setString("");
JPanel panel = new JPanel();
panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
panel.setBorder(BorderFactory.createEmptyBorder(6, 6, 6, 6));
panel.add(new JLabel(I18nManager.getText(_labelKey)));
panel.add(_progressBar);
panel.add(Box.createVerticalStrut(6)); // spacer
JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
cancelButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e)
{
_function.cancel();
}
});
panel.add(cancelButton);
_progressDialog.getContentPane().add(panel);
_progressDialog.pack();
_progressDialog.setVisible(true);
}
/**
* Show the dialog in indeterminate mode, before limits are calculated
*/
public void show()
{
if (_progressDialog == null)
{
createProgressDialog();
_progressBar.setIndeterminate(true);
}
}
/**
* Update the progress bar
* @param inCurrent current value
* @param inMax maximum value
*/
public void showProgress(int inCurrent, int inMax)
{
if (_progressDialog == null)
createProgressDialog();
if (_progressBar.isIndeterminate())
_progressBar.setIndeterminate(false);
if (inMax > 0)
_progressBar.setMaximum(inMax);
_progressBar.setValue(inCurrent);
_progressBar.setString("" + inCurrent + " / " + _progressBar.getMaximum());
}
/**
* Close the dialog
*/
public void close()
{
if (_progressDialog != null)
_progressDialog.dispose();
}
}
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