/*
* This file is part of muCommander, http://www.mucommander.com
* Copyright (C) 2002-2012 Maxence Bernard
*
* muCommander 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 3 of the License, or
* (at your option) any later version.
*
* muCommander 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, see <http://www.gnu.org/licenses/>.
*/
package com.mucommander.ui.encoding;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dialog;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.nio.charset.Charset;
import java.util.Vector;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import com.mucommander.commons.runtime.OsFamily;
import com.mucommander.text.Translator;
import com.mucommander.ui.dialog.FocusDialog;
import com.mucommander.ui.layout.YBoxPanel;
/**
* This dialog allows the list of preferred character encodings to be modified by the end user. Each of the supported
* encodings are represented as a checkbox and can individually be selected/unselected. A 'revert to defaults' button
* allows the {@link EncodingPreferences#getDefaultPreferredEncodings() default preferred encodings} to be used.
*
* @see EncodingPreferences
* @author Maxence Bernard
*/
public class PreferredEncodingsDialog extends FocusDialog {
/** Contains all the checkbox added to this dialog */
private java.util.List<JCheckBox> checkboxes;
/** Minimum dimensions of this dialog */
private final static Dimension MINIMUM_DIALOG_DIMENSION = new Dimension(300,0);
/** Maximum dimensions of this dialog */
private final static Dimension MAXIMUM_DIALOG_DIMENSION = new Dimension(550,400);
/**
* Creates a new PreferredEncodingsDialog, without showing it on screen.
*
* @param owner the frame that invoked this dialog
*/
public PreferredEncodingsDialog(Frame owner) {
super(owner, Translator.get("preferred_encodings"), owner);
init();
}
/**
* Creates a new PreferredEncodingsDialog, without showing it on screen.
*
* @param owner the dialog that invoked this dialog
*/
public PreferredEncodingsDialog(Dialog owner) {
super(owner, Translator.get("preferred_encodings"), owner);
init();
}
protected void init() {
// Mac OS X: small window borders
if(OsFamily.MAC_OS_X.isCurrent())
getRootPane().putClientProperty("Window.style", "small");
Container contentPane = getContentPane();
// Label
JLabel label = new JLabel(Translator.get("preferred_encodings")+":");
// Mac OS X: small component size
if(OsFamily.MAC_OS_X.isCurrent())
label.putClientProperty("JComponent.sizeVariant", "small");
contentPane.add(label, BorderLayout.NORTH);
// Checkboxes
YBoxPanel yPanel = new YBoxPanel();
checkboxes = new Vector<JCheckBox>();
JCheckBox checkbox;
for(String enc : Charset.availableCharsets().keySet()) {
checkbox = new JCheckBox(enc);
// Mac OS X: component size
if(OsFamily.MAC_OS_X.isCurrent())
checkbox.putClientProperty("JComponent.sizeVariant", "small");
checkboxes.add(checkbox);
yPanel.add(checkbox);
}
selectCheckboxes(EncodingPreferences.getPreferredEncodings());
JScrollPane scrollPane = new JScrollPane(yPanel, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
contentPane.add(scrollPane, BorderLayout.CENTER);
// 'Revert to defaults' button
JButton defaultsButton = new JButton(Translator.get("reset"));
// Mac OS X: component size
if(OsFamily.MAC_OS_X.isCurrent())
defaultsButton.putClientProperty("JComponent.sizeVariant", "small");
defaultsButton.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
selectCheckboxes(EncodingPreferences.getDefaultPreferredEncodings());
}
});
JPanel flowPanel = new JPanel(new FlowLayout(FlowLayout.TRAILING));
flowPanel.add(defaultsButton);
contentPane.add(flowPanel, BorderLayout.SOUTH);
setMinimumSize(MINIMUM_DIALOG_DIMENSION);
setMaximumSize(MAXIMUM_DIALOG_DIMENSION);
addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
JCheckBox checkbox;
int nbCheckboxes = checkboxes.size();
java.util.List<String> preferredEncodings = new Vector<String>();
for(int i=0; i<nbCheckboxes; i++) {
checkbox = checkboxes.get(i);
if(checkbox.isSelected())
preferredEncodings.add(checkbox.getText());
}
EncodingPreferences.setPreferredEncodings(preferredEncodings);
}
});
}
/**
* Selects all the checkboxes which correspond to an encoding that is present in the given vector.
*
* @param selectedEncodings list of encodings to select
*/
protected void selectCheckboxes(java.util.List<String> selectedEncodings) {
JCheckBox checkbox;
int nbCheckboxes = checkboxes.size();
for(int i=0; i<nbCheckboxes; i++) {
checkbox = checkboxes.get(i);
checkbox.setSelected(selectedEncodings.contains(checkbox.getText()));
}
}
}