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/* CachePane.java -- Displays the specified folder and allows modification to its content.
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.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.ListSelectionModel;
import javax.swing.table.DefaultTableModel;
import net.sourceforge.jnlp.cache.CacheDirectory;
import net.sourceforge.jnlp.cache.DirectoryNode;
import net.sourceforge.jnlp.config.DeploymentConfiguration;
import net.sourceforge.jnlp.runtime.Translator;
public class CachePane extends JPanel {
JDialog parent;
DeploymentConfiguration config;
private String location;
private JComponent defaultFocusComponent;
DirectoryNode root;
String[] columns = { Translator.R("CVCPColName"),
Translator.R("CVCPColPath"),
Translator.R("CVCPColType"),
Translator.R("CVCPColDomain"),
Translator.R("CVCPColSize"),
Translator.R("CVCPColLastModified") };
JTable cacheTable;
/**
* Creates a new instance of the CachePane.
*
* @param parent The parent dialog that uses this pane.
* @param config The DeploymentConfiguration file.
*/
public CachePane(JDialog parent, DeploymentConfiguration config) {
super(new BorderLayout());
this.parent = parent;
this.config = config;
location = config.getProperty(DeploymentConfiguration.KEY_USER_CACHE_DIR);
addComponents();
}
/**
* Add components to the pane.
*/
private void addComponents() {
JPanel topPanel = new JPanel(new GridBagLayout());
GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.BOTH;
DefaultTableModel model = new DefaultTableModel(columns, 0) {
public boolean isCellEditable(int row, int column) {
return false;
}
};
cacheTable = new JTable(model);
cacheTable.setAutoCreateRowSorter(true);
cacheTable.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
cacheTable.setAutoResizeMode(JTable.AUTO_RESIZE_NEXT_COLUMN);
cacheTable.setPreferredScrollableViewportSize(new Dimension(600, 200));
cacheTable.setFillsViewportHeight(true);
JScrollPane scrollPane = new JScrollPane(cacheTable);
populateTable();
c.weightx = 1;
c.weighty = 1;
c.gridx = 0;
c.gridy = 0;
topPanel.add(scrollPane, c);
this.add(topPanel, BorderLayout.CENTER);
this.add(createButtonPanel(), BorderLayout.SOUTH);
}
/**
* Create the buttons panel.
*
* @return JPanel containing the buttons.
*/
private Component createButtonPanel() {
JPanel buttonPanel = new JPanel(new GridLayout(1, 0));
JPanel leftPanel = new JPanel(new FlowLayout(FlowLayout.LEADING));
JPanel rightPanel = new JPanel(new FlowLayout(FlowLayout.TRAILING));
List<JButton> buttons = new ArrayList<JButton>();
JButton deleteButton = new JButton(Translator.R("CVCPButDelete"));
deleteButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
int row = cacheTable.getSelectedRow();
try {
if (row == -1 || row > cacheTable.getRowCount() - 1)
return;
int modelRow = cacheTable.convertRowIndexToModel(row);
DirectoryNode fileNode = ((DirectoryNode) cacheTable.getModel().getValueAt(modelRow, 0));
if (fileNode.getFile().delete()) {
fileNode.getParent().removeChild(fileNode);
fileNode.getInfoFile().delete();
((DefaultTableModel) cacheTable.getModel()).removeRow(modelRow);
cacheTable.getSelectionModel().setSelectionInterval(row, row);
CacheDirectory.cleanParent(fileNode);
}
} catch (Exception exception) {
//ignore
}
}
});
buttons.add(deleteButton);
JButton refreshButton = new JButton(Translator.R("CVCPButRefresh"));
refreshButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
populateTable();
}
});
buttons.add(refreshButton);
JButton doneButton = new JButton(Translator.R("ButDone"));
doneButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
parent.dispose();
}
});
int maxWidth = 0;
int maxHeight = 0;
for (JButton button : buttons) {
maxWidth = Math.max(button.getMinimumSize().width, maxWidth);
maxHeight = Math.max(button.getMinimumSize().height, maxHeight);
}
int wantedWidth = maxWidth + 10;
int wantedHeight = maxHeight;
for (JButton button : buttons) {
button.setPreferredSize(new Dimension(wantedWidth, wantedHeight));
leftPanel.add(button);
}
doneButton.setPreferredSize(new Dimension(wantedWidth, wantedHeight));
rightPanel.add(doneButton);
buttonPanel.add(leftPanel);
buttonPanel.add(rightPanel);
return buttonPanel;
}
/**
* Populate the table with fresh data. Any manual updates to the cache
* directory will be updated in the table.
*/
private void populateTable() {
((DefaultTableModel) cacheTable.getModel()).setRowCount(0); //Clears the table
for (Object[] v : generateData(root))
((DefaultTableModel) cacheTable.getModel()).addRow(v);
}
/**
* This creates the data for the table.
*
* @param root The location of cache data.
* @return ArrayList containing an Object array of data for each row in the table.
*/
private ArrayList<Object[]> generateData(DirectoryNode root) {
root = new DirectoryNode("Root", location, null);
CacheDirectory.getDirStructure(root);
ArrayList<Object[]> data = new ArrayList<Object[]>();
for (DirectoryNode type : root.getChildren()) {
for (DirectoryNode domain : type.getChildren()) {
for (DirectoryNode leaf : CacheDirectory.getLeafData(domain)) {
Object[] o = { leaf,
leaf.getFile().getAbsolutePath(),
type,
domain,
leaf.getFile().length(),
new SimpleDateFormat("MM/dd/yyyy").format(leaf.getFile().lastModified()) };
data.add(o);
}
}
}
return data;
}
/**
* Put focus onto default button.
*/
public void focusOnDefaultButton() {
if (defaultFocusComponent != null) {
defaultFocusComponent.requestFocusInWindow();
}
}
}
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