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/*
* IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2004 Volker Friedritz
* Copyright 2002 Marcus Wolschon
* Copyright 2002 Jan Blok
*
* 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.Pack;
import com.izforge.izpack.installer.InstallData;
import com.izforge.izpack.installer.InstallerFrame;
import com.izforge.izpack.installer.ResourceManager;
import com.izforge.izpack.util.IoHelper;
import javax.swing.*;
import javax.swing.event.ListSelectionEvent;
import java.awt.*;
import java.net.URL;
import java.util.HashMap;
import java.util.Iterator;
/**
* The ImgPacks panel class. Allows the packages selection with a small picture displayed for every
* pack. This new version combines the old PacksPanel and the ImgPacksPanel so that the positive
* characteristics of both are combined. This class handles only the layout and some related stuff.
* Common stuff are handled by the base class.
*
* @author Julien Ponge
* @author Volker Friedritz
* @author Klaus Bartz
*/
public class ImgPacksPanel extends PacksPanelBase
{
/**
*
*/
private static final long serialVersionUID = 3977858492633659444L;
/**
* The images to display.
*/
private HashMap images;
/**
* The img label.
*/
private JLabel imgLabel;
/**
* The constructor.
*
* @param parent The parent window.
* @param idata The installation data.
*/
public ImgPacksPanel(InstallerFrame parent, InstallData idata)
{
super(parent, idata);
}
/*
* (non-Javadoc)
*
* @see com.izforge.izpack.panels.PacksPanelBase#createNormalLayout()
*/
protected void createNormalLayout()
{
preLoadImages();
GridBagLayout layout = new GridBagLayout();
GridBagConstraints gbConstraints = new GridBagConstraints();
setLayout(layout);
// Create constraint for first component as standard constraint.
parent.buildConstraints(gbConstraints, 0, 0, 1, 1, 0.25, 0.0);
gbConstraints.insets = new Insets(5, 5, 5, 5);
gbConstraints.anchor = GridBagConstraints.WEST;
// Create the info label.
createLabel("PacksPanel.info", "preferences", layout, gbConstraints);
// Create the snap label.
parent.buildConstraints(gbConstraints, 1, 0, 1, 1, 0.50, 0.0);
createLabel("ImgPacksPanel.snap", "tip", layout, gbConstraints);
// Create packs table with a scroller.
tableScroller = new JScrollPane();
parent.buildConstraints(gbConstraints, 0, 1, 1, 2, 0.50, 0.0);
gbConstraints.fill = GridBagConstraints.BOTH;
packsTable = createPacksTable(250, tableScroller, layout, gbConstraints);
// Create the image label with a scroller.
// Use the image of the first pack having an image as initial image
Iterator pack_it = idata.availablePacks.iterator();
Pack firstImgPack = null;
boolean imgFound = false;
while (!imgFound && pack_it.hasNext())
{
firstImgPack = (Pack) pack_it.next();
imgFound = firstImgPack.packImgId != null;
}
if (imgFound)
{
imgLabel = new JLabel(images.get(firstImgPack.packImgId));
}
else
{
imgLabel = new JLabel();
}
JScrollPane imgScroller = new JScrollPane(imgLabel);
imgScroller.setPreferredSize(getPreferredSizeFromImages());
parent.buildConstraints(gbConstraints, 1, 1, 1, 1, 0.5, 1.0);
layout.addLayoutComponent(imgScroller, gbConstraints);
add(imgScroller);
// Create a vertical strut.
Component strut = Box.createVerticalStrut(20);
parent.buildConstraints(gbConstraints, 1, 2, 1, 3, 0.0, 0.0);
layout.addLayoutComponent(strut, gbConstraints);
add(strut);
// Create the dependency area with a scroller.
if (dependenciesExist)
{
JScrollPane depScroller = new JScrollPane();
depScroller.setPreferredSize(new Dimension(250, 40));
parent.buildConstraints(gbConstraints, 0, 3, 1, 1, 0.50, 0.50);
dependencyArea = createTextArea("ImgPacksPanel.dependencyList", depScroller, layout,
gbConstraints);
}
// Create the description area with a scroller.
JScrollPane descriptionScroller = new JScrollPane();
descriptionScroller.setPreferredSize(new Dimension(200, 60));
descriptionScroller.setBorder(BorderFactory.createEmptyBorder());
parent.buildConstraints(gbConstraints, 1, 3, 1, 1, 0.50, 0.50);
descriptionArea = createTextArea("PacksPanel.description", descriptionScroller, layout,
gbConstraints);
// Create the tip label.
parent.buildConstraints(gbConstraints, 0, 4, 2, 1, 0.0, 0.0);
createLabel("PacksPanel.tip", "tip", layout, gbConstraints);
// Create the space label.
parent.buildConstraints(gbConstraints, 0, 5, 2, 1, 0.0, 0.0);
spaceLabel = createPanelWithLabel("PacksPanel.space", layout, gbConstraints);
if (IoHelper.supported("getFreeSpace"))
{ // Create the free space label only if free space is supported.
parent.buildConstraints(gbConstraints, 0, 6, 2, 1, 0.0, 0.0);
freeSpaceLabel = createPanelWithLabel("PacksPanel.freespace", layout, gbConstraints);
}
}
/**
* Pre-loads the images.
*/
private void preLoadImages()
{
int size = idata.availablePacks.size();
images = new HashMap(size);
Iterator pack_it = idata.availablePacks.iterator();
while (pack_it.hasNext())
{
Pack pack = (Pack) pack_it.next();
if (pack.packImgId != null)
{
try
{
URL url = ResourceManager.getInstance().getURL(pack.packImgId);
ImageIcon img = new ImageIcon(url);
images.put(pack.packImgId, img);
}
catch (Exception err)
{
err.printStackTrace();
}
}
}
}
/**
* Try to find a good preferredSize for imgScroller by checking all loaded images' width and
* height.
*/
private Dimension getPreferredSizeFromImages()
{
int maxWidth = 80;
int maxHeight = 60;
ImageIcon icon;
for (ImageIcon imageIcon : images.values())
{
icon = imageIcon;
maxWidth = Math.max(maxWidth, icon.getIconWidth());
maxHeight = Math.max(maxHeight, icon.getIconHeight());
}
maxWidth = Math.min(maxWidth + 20, idata.guiPrefs.width - 150);
maxHeight = Math.min(maxHeight + 20, idata.guiPrefs.height - 150);
return new Dimension(maxWidth, maxHeight);
}
/*
* (non-Javadoc)
*
* @see javax.swing.event.ListSelectionListener#valueChanged(javax.swing.event.ListSelectionEvent)
*/
public void valueChanged(ListSelectionEvent e)
{
// this MUST be called before calling the super's valueChanged() since
// that method refreshes the tablemodel and thus deselects the
// just selected row
int i = packsTable.getSelectedRow();
super.valueChanged(e);
if (i < 0)
{
return;
}
if (i >= 0)
{
Pack pack = (Pack) idata.availablePacks.get(i);
imgLabel.setIcon(images.get(pack.packImgId));
}
}
}
