/*
* IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2004 Klaus Bartz
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.izforge.izpack.panels;
import com.izforge.izpack.gui.ButtonFactory;
import com.izforge.izpack.gui.IzPanelConstraints;
import com.izforge.izpack.gui.IzPanelLayout;
import com.izforge.izpack.gui.LayoutConstants;
import com.izforge.izpack.installer.InstallData;
import com.izforge.izpack.installer.IzPanel;
import com.izforge.izpack.installer.LayoutHelper;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
/**
* This is a sub panel which contains a text field and a browse button for path selection. This is
* NOT an IzPanel, else it is made to use in an IzPanel for any path selection. If the IzPanel
* parent implements ActionListener, the ActionPerformed method will be called, if
* PathSelectionPanel.ActionPerformed was called with a source other than the browse button. This
* can be used to perform parentFrame.navigateNext in the IzPanel parent. An example implementation
* is done in com.izforge.izpack.panels.PathInputPanel.
*
* @author Klaus Bartz
*/
public class PathSelectionPanel extends JPanel implements ActionListener, LayoutConstants
{
/**
*
*/
private static final long serialVersionUID = 3618700794577105718L;
/**
* The text field for the path.
*/
private JTextField textField;
/**
* The 'browse' button.
*/
private JButton browseButton;
/**
* IzPanel parent (not the InstallerFrame).
*/
private IzPanel parent;
/**
* The installer internal data.
*/
private InstallData idata;
/**
* The constructor. Be aware, parent is the parent IzPanel, not the installer frame.
*
* @param parent The parent IzPanel.
* @param idata The installer internal data.
*/
public PathSelectionPanel(IzPanel parent, InstallData idata)
{
super();
this.parent = parent;
this.idata = idata;
createLayout();
}
/**
* Creates the layout for this sub panel.
*/
protected void createLayout()
{
// We would use the IzPanelLayout also in this "sub" panel.
// In an IzPanel there is support for this layout manager in
// more than one place, but not in this panel so we have
// to make all things needed.
// First create a layout helper.
LayoutHelper layoutHelper = new LayoutHelper(this);
// Start the layout.
layoutHelper.startLayout(new IzPanelLayout());
// One of the rare points we need explicit a constraints.
IzPanelConstraints ipc = IzPanelLayout.getDefaultConstraint(TEXT_CONSTRAINT);
// The text field should be stretched.
ipc.setXStretch(1.0);
textField = new JTextField(idata.getInstallPath(), 10);
textField.addActionListener(this);
parent.setInitialFocus(textField);
add(textField, ipc);
// We would have place between text field and button.
add(IzPanelLayout.createHorizontalFiller(3));
// No explicit constraints for the button (else implicit) because
// defaults are OK.
browseButton = ButtonFactory.createButton(parent.getInstallerFrame().langpack
.getString("TargetPanel.browse"), parent.getInstallerFrame().icons
.getImageIcon("open"), idata.buttonsHColor);
browseButton.addActionListener(this);
add(browseButton);
}
// There are problems with the size if no other component needs the
// full size. Sometimes directly, somtimes only after a back step.
public Dimension getMinimumSize()
{
Dimension ss = super.getPreferredSize();
Dimension retval = parent.getSize();
retval.height = ss.height;
return (retval);
}
/**
* Actions-handling method.
*
* @param e The event.
*/
public void actionPerformed(ActionEvent e)
{
Object source = e.getSource();
if (source == browseButton)
{
// The user wants to browse its filesystem
// Prepares the file chooser
JFileChooser fc = new JFileChooser();
fc.setCurrentDirectory(new File(textField.getText()));
fc.setMultiSelectionEnabled(false);
fc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
fc.addChoosableFileFilter(fc.getAcceptAllFileFilter());
// Shows it
if (fc.showOpenDialog(this) == JFileChooser.APPROVE_OPTION)
{
String path = fc.getSelectedFile().getAbsolutePath();
textField.setText(path);
}
}
else
{
if (parent instanceof ActionListener)
{
((ActionListener) parent).actionPerformed(e);
}
}
}
/**
* Returns the chosen path.
*
* @return the chosen path
*/
public String getPath()
{
return (textField.getText());
}
/**
* Sets the contents of the text field to the given path.
*
* @param path the path to be set
*/
public void setPath(String path)
{
textField.setText(path);
}
/**
* Returns the text input field for the path. This methode can be used to differ in a
* ActionPerformed method of the parent between the browse button and the text field.
*
* @return the text input field for the path
*/
public JTextField getPathInputField()
{
return textField;
}
/**
* Returns the browse button object for modification or for use with a different ActionListener.
*
* @return the browse button to open the JFileChooser
*/
public JButton getBrowseButton()
{
return browseButton;
}
}