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/* CacheViewer.java -- Display the GUI for viewing and deleting cache files.
Copyright (C) 2010 Red Hat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package net.sourceforge.jnlp.controlpanel;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Toolkit;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JDialog;
import net.sourceforge.jnlp.config.DeploymentConfiguration;
import net.sourceforge.jnlp.runtime.Translator;
/**
* This class will provide a visual way of viewing cache.
*
* @author Andrew Su (asu@redhat.com, andrew.su@utoronto.ca)
*
*/
public class CacheViewer extends JDialog {
private boolean initialized = false;
private static final String dialogTitle = Translator.R("CVCPDialogTitle");
private DeploymentConfiguration config; // Configuration file which contains all the settings.
CachePane topPanel;
/**
* Creates a new instance of the cache viewer.
*
* @param config Deployment configuration file.
*/
public CacheViewer(DeploymentConfiguration config) {
super((Frame) null, dialogTitle, true); // Don't need a parent.
this.config = config;
/* Prepare for adding components to dialog box */
Container contentPane = getContentPane();
contentPane.setLayout(new GridBagLayout());
GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.BOTH;
c.weightx = 1;
c.weighty = 1;
c.gridx = 0;
c.gridy = 0;
topPanel = new CachePane(this, this.config);
contentPane.add(topPanel, c);
pack();
/* Set focus to default button when first activated */
WindowAdapter adapter = new WindowAdapter() {
private boolean gotFocus = false;
public void windowGainedFocus(WindowEvent we) {
// Once window gets focus, set initial focus
if (!gotFocus) {
topPanel.focusOnDefaultButton();
gotFocus = true;
}
}
};
addWindowFocusListener(adapter);
initialized = true;
}
/**
* Display the cache viewer.
*
* @param config Configuration file.
*/
public static void showCacheDialog(final DeploymentConfiguration config) {
CacheViewer psd = new CacheViewer(config);
psd.setResizable(true);
psd.centerDialog();
psd.setVisible(true);
psd.dispose();
}
/**
* Check whether the dialog has finished being created.
*
* @return True if dialog is ready to be displayed.
*/
public boolean isInitialized() {
return initialized;
}
/**
* Center the dialog box.
*/
private void centerDialog() {
Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
Dimension dialogSize = getSize();
setLocation((screen.width - dialogSize.width) / 2, (screen.height - dialogSize.height) / 2);
}
}
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