/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2011 Eric Lafortune (eric@graphics.cornell.edu)
*
* 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 proguard.gui;
import proguard.*;
import proguard.util.ListUtil;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.List;
/**
* This <code>ListPanel</code> allows the user to add, edit, filter, move, and
* remove ClassPathEntry objects in a ClassPath object.
*
* @author Eric Lafortune
*/
class ClassPathPanel extends ListPanel
{
private final JFrame owner;
private final boolean inputAndOutput;
private final JFileChooser chooser;
private final FilterDialog filterDialog;
public ClassPathPanel(JFrame owner, boolean inputAndOutput)
{
super();
super.firstSelectionButton = inputAndOutput ? 3 : 2;
this.owner = owner;
this.inputAndOutput = inputAndOutput;
list.setCellRenderer(new MyListCellRenderer());
chooser = new JFileChooser("");
chooser.setMultiSelectionEnabled(true);
chooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
chooser.addChoosableFileFilter(
new ExtensionFileFilter(msg("jarWarEarZipExtensions"),
new String[] { ".jar", ".war", ".ear", ".zip" }));
chooser.setApproveButtonText(msg("ok"));
filterDialog = new FilterDialog(owner, msg("enterFilter"));
addAddButton(inputAndOutput, false);
if (inputAndOutput)
{
addAddButton(inputAndOutput, true);
}
addEditButton();
addFilterButton();
addRemoveButton();
addUpButton();
addDownButton();
enableSelectionButtons();
}
protected void addAddButton(boolean inputAndOutput,
final boolean isOutput)
{
JButton addButton = new JButton(msg(inputAndOutput ?
isOutput ? "addOutput" :
"addInput" :
"add"));
addButton.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
chooser.setDialogTitle(msg("addJars"));
chooser.setSelectedFile(null);
chooser.setSelectedFiles(null);
int returnValue = chooser.showOpenDialog(owner);
if (returnValue == JFileChooser.APPROVE_OPTION)
{
File[] selectedFiles = chooser.getSelectedFiles();
ClassPathEntry[] entries = classPathEntries(selectedFiles, isOutput);
// Add the new elements.
addElements(entries);
}
}
});
addButton(tip(addButton, inputAndOutput ?
isOutput ? "addOutputTip" :
"addInputTip" :
"addTip"));
}
protected void addEditButton()
{
JButton editButton = new JButton(msg("edit"));
editButton.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
boolean isOutput = false;
int[] selectedIndices = list.getSelectedIndices();
// Copy the Object array into a File array.
File[] selectedFiles = new File[selectedIndices.length];
for (int index = 0; index < selectedFiles.length; index++)
{
ClassPathEntry entry =
(ClassPathEntry)listModel.getElementAt(selectedIndices[index]);
isOutput = entry.isOutput();
selectedFiles[index] = entry.getFile();
}
chooser.setDialogTitle(msg("chooseJars"));
// Up to JDK 1.3.1, setSelectedFiles doesn't show in the file
// chooser, so we just use setSelectedFile first. It also sets
// the current directory.
chooser.setSelectedFile(selectedFiles[0].getAbsoluteFile());
chooser.setSelectedFiles(selectedFiles);
int returnValue = chooser.showOpenDialog(owner);
if (returnValue == JFileChooser.APPROVE_OPTION)
{
selectedFiles = chooser.getSelectedFiles();
ClassPathEntry[] entries = classPathEntries(selectedFiles, isOutput);
// If there are the same number of files selected now as
// there were before, we can just replace the old ones.
if (selectedIndices.length == selectedFiles.length)
{
// Replace the old elements.
setElementsAt(entries, selectedIndices);
}
else
{
// Remove the old elements.
removeElementsAt(selectedIndices);
// Add the new elements.
addElements(entries);
}
}
}
});
addButton(tip(editButton, "editTip"));
}
protected void addFilterButton()
{
JButton filterButton = new JButton(msg("filter"));
filterButton.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
if (!list.isSelectionEmpty())
{
int[] selectedIndices = list.getSelectedIndices();
// Put the filters of the first selected entry in the dialog.
getFiltersFrom(selectedIndices[0]);
int returnValue = filterDialog.showDialog();
if (returnValue == FilterDialog.APPROVE_OPTION)
{
// Apply the entered filters to all selected entries.
setFiltersAt(selectedIndices);
}
}
}
});
addButton(tip(filterButton, "filterTip"));
}
/**
* Sets the ClassPath to be represented in this panel.
*/
public void setClassPath(ClassPath classPath)
{
listModel.clear();
if (classPath != null)
{
for (int index = 0; index < classPath.size(); index++)
{
listModel.addElement(classPath.get(index));
}
}
// Make sure the selection buttons are properly enabled,
// since the clear method doesn't seem to notify the listener.
enableSelectionButtons();
}
/**
* Returns the ClassPath currently represented in this panel.
*/
public ClassPath getClassPath()
{
int size = listModel.size();
if (size == 0)
{
return null;
}
ClassPath classPath = new ClassPath();
for (int index = 0; index < size; index++)
{
classPath.add((ClassPathEntry)listModel.get(index));
}
return classPath;
}
/**
* Converts the given array of File objects into a corresponding array of
* ClassPathEntry objects.
*/
private ClassPathEntry[] classPathEntries(File[] files, boolean isOutput)
{
ClassPathEntry[] entries = new ClassPathEntry[files.length];
for (int index = 0; index < entries.length; index++)
{
entries[index] = new ClassPathEntry(files[index], isOutput);
}
return entries;
}
/**
* Sets up the filter dialog with the filters from the specified class path
* entry.
*/
private void getFiltersFrom(int index)
{
ClassPathEntry firstEntry = (ClassPathEntry)listModel.get(index);
filterDialog.setFilter(firstEntry.getFilter());
filterDialog.setJarFilter(firstEntry.getJarFilter());
filterDialog.setWarFilter(firstEntry.getWarFilter());
filterDialog.setEarFilter(firstEntry.getEarFilter());
filterDialog.setZipFilter(firstEntry.getZipFilter());
}
/**
* Applies the entered filter to the specified class path entries.
* Any previously set filters are discarded.
*/
private void setFiltersAt(int[] indices)
{
for (int index = indices.length - 1; index >= 0; index--)
{
ClassPathEntry entry = (ClassPathEntry)listModel.get(indices[index]);
entry.setFilter(filterDialog.getFilter());
entry.setJarFilter(filterDialog.getJarFilter());
entry.setWarFilter(filterDialog.getWarFilter());
entry.setEarFilter(filterDialog.getEarFilter());
entry.setZipFilter(filterDialog.getZipFilter());
}
// Make sure they are selected and thus repainted.
list.setSelectedIndices(indices);
}
/**
* Attaches the tool tip from the GUI resources that corresponds to the
* given key, to the given component.
*/
private static JComponent tip(JComponent component, String messageKey)
{
component.setToolTipText(msg(messageKey));
return component;
}
/**
* Returns the message from the GUI resources that corresponds to the given
* key.
*/
private static String msg(String messageKey)
{
return GUIResources.getMessage(messageKey);
}
/**
* This ListCellRenderer renders ClassPathEntry objects.
*/
private class MyListCellRenderer implements ListCellRenderer
{
private static final String ARROW_IMAGE_FILE = "arrow.gif";
private final JPanel cellPanel = new JPanel(new GridBagLayout());
private final JLabel iconLabel = new JLabel("", JLabel.RIGHT);
private final JLabel jarNameLabel = new JLabel("", JLabel.RIGHT);
private final JLabel filterLabel = new JLabel("", JLabel.RIGHT);
private final Icon arrowIcon;
public MyListCellRenderer()
{
GridBagConstraints jarNameLabelConstraints = new GridBagConstraints();
jarNameLabelConstraints.anchor = GridBagConstraints.WEST;
jarNameLabelConstraints.insets = new Insets(1, 2, 1, 2);
GridBagConstraints filterLabelConstraints = new GridBagConstraints();
filterLabelConstraints.gridwidth = GridBagConstraints.REMAINDER;
filterLabelConstraints.fill = GridBagConstraints.HORIZONTAL;
filterLabelConstraints.weightx = 1.0;
filterLabelConstraints.anchor = GridBagConstraints.EAST;
filterLabelConstraints.insets = jarNameLabelConstraints.insets;
arrowIcon = new ImageIcon(Toolkit.getDefaultToolkit().getImage(this.getClass().getResource(ARROW_IMAGE_FILE)));
cellPanel.add(iconLabel, jarNameLabelConstraints);
cellPanel.add(jarNameLabel, jarNameLabelConstraints);
cellPanel.add(filterLabel, filterLabelConstraints);
}
// Implementations for ListCellRenderer.
public Component getListCellRendererComponent(JList list,
Object value,
int index,
boolean isSelected,
boolean cellHasFocus)
{
ClassPathEntry entry = (ClassPathEntry)value;
// Prepend an arrow to the output entries.
if (inputAndOutput && entry.isOutput())
{
iconLabel.setIcon(arrowIcon);
}
else
{
iconLabel.setIcon(null);
}
// Set the entry name text.
jarNameLabel.setText(entry.getName());
// Set the filter text.
StringBuffer filter = null;
filter = appendFilter(filter, entry.getZipFilter());
filter = appendFilter(filter, entry.getEarFilter());
filter = appendFilter(filter, entry.getWarFilter());
filter = appendFilter(filter, entry.getJarFilter());
filter = appendFilter(filter, entry.getFilter());
if (filter != null)
{
filter.append(')');
}
filterLabel.setText(filter != null ? filter.toString() : "");
// Set the colors.
if (isSelected)
{
cellPanel.setBackground(list.getSelectionBackground());
jarNameLabel.setForeground(list.getSelectionForeground());
filterLabel.setForeground(list.getSelectionForeground());
}
else
{
cellPanel.setBackground(list.getBackground());
jarNameLabel.setForeground(list.getForeground());
filterLabel.setForeground(list.getForeground());
}
// Make the font color red if this is an input file that can't be read.
if (!(inputAndOutput && entry.isOutput()) &&
!entry.getFile().canRead())
{
jarNameLabel.setForeground(Color.red);
}
cellPanel.setOpaque(true);
return cellPanel;
}
private StringBuffer appendFilter(StringBuffer filter, List additionalFilter)
{
if (filter != null)
{
filter.append(';');
}
if (additionalFilter != null)
{
if (filter == null)
{
filter = new StringBuffer().append('(');
}
filter.append(ListUtil.commaSeparatedString(additionalFilter, true));
}
return filter;
}
}
}