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package com.izforge.izpack.panels.treepacks;
import com.izforge.izpack.api.adaptator.IXMLElement;
import com.izforge.izpack.api.data.LocaleDatabase;
import com.izforge.izpack.api.data.Pack;
import com.izforge.izpack.api.data.Panel;
import com.izforge.izpack.api.resource.Locales;
import com.izforge.izpack.api.resource.Messages;
import com.izforge.izpack.api.resource.Resources;
import com.izforge.izpack.api.rules.RulesEngine;
import com.izforge.izpack.gui.LabelFactory;
import com.izforge.izpack.installer.data.GUIInstallData;
import com.izforge.izpack.installer.gui.InstallerFrame;
import com.izforge.izpack.installer.gui.IzPanel;
import com.izforge.izpack.installer.util.PackHelper;
import com.izforge.izpack.installer.web.WebAccessor;
import com.izforge.izpack.panels.packs.PacksModel;
import com.izforge.izpack.panels.packs.PacksPanelAutomationHelper;
import com.izforge.izpack.util.IoHelper;
import org.apache.commons.io.IOUtils;
import javax.swing.*;
import javax.swing.tree.TreeModel;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;
import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.File;
import java.io.InputStream;
import java.util.*;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Created by IntelliJ IDEA.
*
* @author Anthonin Bonnefoy
*/
public class TreePacksPanel extends IzPanel
{
private static final long serialVersionUID = 5684716698930628262L;
private static final transient Logger logger = Logger.getLogger(TreePacksPanel.class.getName());
protected JLabel requiredSpaceLabel;
protected JLabel freeSpaceLabel;
protected JTextArea descriptionArea;
protected JTextArea dependencyArea;
protected JTree packsTree;
protected PacksModel packsModel;
protected JScrollPane tableScroller;
private Messages messages;
private final Map namesToPacks;
private final Map packsToRowNumbers;
private final Map> treeData;
private CheckTreeController checkTreeController;
private HashMap nameToCheckBox = new HashMap();
/**
* The constructor.
*
* @param panel the panel meta-data
* @param parent the parent window
* @param installData the installation data
* @param resources the resources
* @param locales the supported locales
* @param rules the rules
*/
public TreePacksPanel(Panel panel, InstallerFrame parent, GUIInstallData installData, Resources resources,
Locales locales, RulesEngine rules)
{
super(panel, parent, installData, resources);
messages = getAvailableStrings(locales);
packsModel = new PacksModel(installData);
namesToPacks = packsModel.getNameToPack();
packsToRowNumbers = packsModel.getPacksToRowNumbers();
treeData = createTreeData();
createNormalLayout();
}
/**
* The Implementation of this method should create the layout for the current class.
*/
private void createNormalLayout()
{
setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
createLabel("PacksPanel.info", "preferences", null, null);
add(Box.createRigidArea(new Dimension(0, 3)));
createLabel("PacksPanel.tip", "tip", null, null);
add(Box.createRigidArea(new Dimension(0, 5)));
tableScroller = new JScrollPane();
tableScroller.setColumnHeaderView(null);
tableScroller.setColumnHeader(null);
packsTree = createPacksTree(300, tableScroller, null, null);
if (packsModel.dependenciesExist())
{
dependencyArea = createTextArea("PacksPanel.dependencyList", null, null, null);
}
descriptionArea = createTextArea("PacksPanel.description", null, null, null);
requiredSpaceLabel = createPanelWithLabel("PacksPanel.space", null, null);
if (IoHelper.supported("getFreeSpace"))
{
add(Box.createRigidArea(new Dimension(0, 3)));
freeSpaceLabel = createPanelWithLabel("PacksPanel.freespace", null, null);
}
}
/**
* Layout helper method:
* Creates an label with a message given by msgId and an icon given by the iconId. If layout and
* constraints are not null, the label will be added to layout with the given constraints. The
* label will be added to this object.
*
* @param msgId identifier for the IzPack langpack
* @param iconId identifier for the IzPack icons
* @param layout layout to be used
* @param constraints constraints to be used
* @return the created label
*/
private JLabel createLabel(String msgId, String iconId, GridBagLayout layout,
GridBagConstraints constraints)
{
JLabel label = LabelFactory.create(getString(msgId), parent.getIcons()
.get(iconId), TRAILING);
if (layout != null && constraints != null)
{
layout.addLayoutComponent(label, constraints);
}
add(label);
return (label);
}
/**
* Creates a panel containing a anonymous label on the left with the message for the given msgId
* and a label on the right side with initial no text. The right label will be returned. If
* layout and constraints are not null, the label will be added to layout with the given
* constraints. The panel will be added to this object.
*
* @param msgId identifier for the IzPack langpack
* @param layout layout to be used
* @param constraints constraints to be used
* @return the created (right) label
*/
private JLabel createPanelWithLabel(String msgId, GridBagLayout layout, GridBagConstraints constraints)
{
JPanel panel = new JPanel();
JLabel label = new JLabel();
panel.setAlignmentX(LEFT_ALIGNMENT);
panel.setLayout(new BoxLayout(panel, BoxLayout.X_AXIS));
panel.add(LabelFactory.create(getString(msgId)));
panel.add(Box.createHorizontalGlue());
panel.add(label);
if (layout != null && constraints != null)
{
layout.addLayoutComponent(panel, constraints);
}
add(panel);
return (label);
}
/**
* Creates a text area with standard settings and the title given by the msgId. If scroller is
* not null, the create text area will be added to the scroller and the scroller to this object,
* else the text area will be added directly to this object. If layout and constraints are not
* null, the text area or scroller will be added to layout with the given constraints. The text
* area will be returned.
*
* @param msgId identifier for the IzPack langpack
* @param scroller the scroller to be used
* @param layout layout to be used
* @param constraints constraints to be used
* @return the created text area
*/
private JTextArea createTextArea(String msgId, JScrollPane scroller, GridBagLayout layout,
GridBagConstraints constraints)
{
JTextArea area = new JTextArea();
area.setAlignmentX(LEFT_ALIGNMENT);
area.setCaretPosition(0);
area.setEditable(false);
area.setEditable(false);
area.setOpaque(false);
area.setLineWrap(true);
area.setWrapStyleWord(true);
area.setBorder(BorderFactory.createTitledBorder(getString(msgId)));
area.setFont(getControlTextFont());
if (layout != null && constraints != null)
{
if (scroller != null)
{
layout.addLayoutComponent(scroller, constraints);
}
else
{
layout.addLayoutComponent(area, constraints);
}
}
if (scroller != null)
{
scroller.setViewportView(area);
add(scroller);
}
else
{
add(area);
}
return (area);
}
/**
*
* @param width
* @param scroller
* @param layout
* @param constraints
* @return
*/
private JTree createPacksTree(int width, JScrollPane scroller, GridBagLayout layout,
GridBagConstraints constraints)
{
JTree tree = new JTree(populateTreePacks(null));
packsTree = tree;
tree.setCellRenderer(new CheckBoxNodeRenderer(this));
tree.setEditable(false);
tree.setShowsRootHandles(true);
tree.setRootVisible(false);
checkTreeController = new CheckTreeController(this);
tree.addMouseListener(checkTreeController);
tree.setBorder(BorderFactory.createEmptyBorder(0, 2, 0, 2));
tree.setBackground(Color.white);
tree.setToggleClickCount(0);
scroller.setViewportView(tree);
scroller.setAlignmentX(LEFT_ALIGNMENT);
scroller.getViewport().setBackground(Color.white);
scroller.setPreferredSize(new Dimension(width, (this.installData.guiPrefs.height / 3 + 30)));
if (layout != null && constraints != null)
{
layout.addLayoutComponent(scroller, constraints);
}
add(scroller);
return (tree);
}
public Messages getMessages()
{
return messages;
}
public LocaleDatabase getLangpack()
{
return (LocaleDatabase) messages;
}
/**
* Show required space necessary to install the selected packs.
* Update the required space label to the appropriate value.
*/
private void updateRequiredSpaceLabel()
{
if (requiredSpaceLabel != null)
{
requiredSpaceLabel.setText(Pack.toByteUnitsString(packsModel.getTotalByteSize()));
}
}
private long getAvaiableBytes()
{
return IoHelper.getFreeSpace(IoHelper.existingParent(
new File(this.installData.getInstallPath())).getAbsolutePath());
}
/**
* Show the amount of free space available for the installation path.
*/
private void showFreeSpace()
{
if (IoHelper.supported("getFreeSpace") && freeSpaceLabel != null)
{
String msg = null;
long freeBytes = getAvaiableBytes();
if (freeBytes < 0)
{
msg = getString("PacksPanel.notAscertainable");
}
else
{
msg = Pack.toByteUnitsString(freeBytes);
}
freeSpaceLabel.setText(msg);
}
}
/**
* Indicates whether the panel has been validated or not.
*
* @return true if the needed space is less than the free space, else false
*/
@Override
public boolean isValidated()
{
packsModel.updatePacksToInstall();
long freeBytes = getAvaiableBytes();
if (IoHelper.supported("getFreeSpace")
&& freeBytes >= 0
&& freeBytes <= packsModel.getTotalByteSize())
{
JOptionPane.showMessageDialog(
this, getString("PacksPanel.notEnoughSpace"), getString("installer.error"),
JOptionPane.ERROR_MESSAGE);
return false;
}
return true;
}
@Override
public void createInstallationRecord(IXMLElement panelRoot)
{
new PacksPanelAutomationHelper().createInstallationRecord(this.installData, panelRoot);
}
/**
* This method tries to resolve the localized name of the given pack. If this is not possible,
* the name given in the installation description file in ELEMENT will be used.
*
* @param pack for which the name should be resolved
* @return localized name of the pack
*/
private String getI18NPackName(Pack pack)
{
return PackHelper.getPackName(pack, messages);
}
private String getI18NPackName(String name)
{
Pack pack = namesToPacks.get(name);
if (pack == null)
{
return name;
}
return getI18NPackName(pack);
}
/**
* Synchronize the view with the PacksModel data.
*/
public void updateViewFromModel(JTree tree)
{
TreeModel model = this.packsTree.getModel();
CheckBoxNode root = (CheckBoxNode) model.getRoot();
syncCheckboxesWithModel(root);
updateRequiredSpaceLabel();
showFreeSpace();
syncPackSizes();
tree.treeDidChange();
}
/**
* Return the row where the pack is represented
*
* @param pack
* @return the row where the pack is represented
*/
private int getRowIndex(Pack pack)
{
Integer rowNumber = packsToRowNumbers.get(pack);
if (rowNumber == null)
{
return -1;
}
return rowNumber;
}
/**
* Helper function for updateViewFromModel() - runs the recursion
* Update our checkboxes based on the packs model.
*
* @param rootNode
*/
private void syncCheckboxesWithModel(CheckBoxNode rootNode)
{
Enumeration e = rootNode.children();
while (e.hasMoreElements())
{
CheckBoxNode node = e.nextElement();
String nodeText = node.getId();
Object nodePack = namesToPacks.get(nodeText);
int childRowIndex = getRowIndex((Pack) nodePack);
if (childRowIndex >= 0)
{
PacksModel.CbSelectionState state = (PacksModel.CbSelectionState) packsModel.getValueAt(childRowIndex, 0);
node.setEnabled(state.isSelectable());
node.setPartial(packsModel.isPartiallyChecked(childRowIndex));
node.setSelected(packsModel.isChecked(childRowIndex));
}
syncCheckboxesWithModel(node);
}
}
/**
* Updates a checkbox from the PackModel.
*
* @param checkbox This is the checkbox node which contains model values
*/
public void setModelValue(CheckBoxNode checkbox)
{
String name = checkbox.getId();
Pack pack = namesToPacks.get(name);
int row = getRowIndex(pack);
packsModel.toggleValueAt(row);
}
/**
* Initialize tree model structures
* TODO: treeData does not need to be a class variable
*/
private Map> createTreeData()
{
Map> treeData = new HashMap>();
for (Pack pack : packsModel.getVisiblePacks())
{
if (pack.getParent() != null)
{
List kids = null;
if (treeData.containsKey(pack.getParent()))
{
kids = treeData.get(pack.getParent());
}
else
{
kids = new ArrayList();
}
kids.add(pack.getName());
treeData.put(pack.getParent(), kids);
}
}
return treeData;
}
/**
* Shows and updates the description text in the panel
*
* @param id
*/
public void updateDescriptionArea(String id)
{
if (descriptionArea != null)
{
Pack pack = namesToPacks.get(id);
String desc = PackHelper.getPackDescription(pack, messages);
desc = installData.getVariables().replace(desc);
descriptionArea.setText(desc);
}
}
/**
* Shows and updates the dependencies text in the panel
*
* @param id
*/
public void updateDependencyArea(String id)
{
if (dependencyArea != null)
{
Pack pack = namesToPacks.get(id);
java.util.List dep = pack.getDependencies();
String list = "";
if (dep != null)
{
list += (messages == null) ? "Dependencies: " : messages.get("PacksPanel.dependencies");
}
for (int j = 0; dep != null && j < dep.size(); j++)
{
String name = dep.get(j);
list += getI18NPackName(namesToPacks.get(name));
if (j != dep.size() - 1)
{
list += ", ";
}
}
// add the list of the packs to be excluded
String excludesList = (messages == null) ? "Excludes: " : messages.get("PacksPanel.excludes");
int numExcludes = 0;
int i = getRowIndex(pack);
if (pack.getExcludeGroup() != null)
{
for (int q = 0; q < packsModel.getVisiblePacks().size(); q++)
{
Pack otherPack = packsModel.getVisiblePacks().get(q);
String exGroup = otherPack.getExcludeGroup();
if (exGroup != null)
{
if (q != i && pack.getExcludeGroup().equals(exGroup))
{
excludesList += getI18NPackName(otherPack) + ", ";
numExcludes++;
}
}
}
}
if (dep != null)
{
excludesList = " " + excludesList;
}
if (numExcludes > 0)
{
list += excludesList;
}
if (list.endsWith(", "))
{
list = list.substring(0, list.length() - 2);
}
dependencyArea.setText(list);
}
}
/**
* Reads the available packs and creates the JTree structure based on
* the parent definitions.
*
* @param parent
* @return
*/
private TreeNode populateTreePacks(String parent)
{
if (parent == null) // the root node
{
List rootNodes = new ArrayList();
for (Pack pack : packsModel.getVisiblePacks())
{
if (pack.getParent() == null)
{
rootNodes.add(populateTreePacks(pack.getName()));
}
}
TreeNode treeNode = new CheckBoxNode("Root", "Root", rootNodes.toArray(), true);
return treeNode;
}
else
{
List links = new ArrayList();
List kids = treeData.get(parent);
Pack pack = namesToPacks.get(parent);
String translated = getI18NPackName(parent);
if (kids != null)
{
for (String kidId : kids)
{
links.add(populateTreePacks(kidId));
}
CheckBoxNode checkBoxNode = new CheckBoxNode(parent, translated, links.toArray(), true);
nameToCheckBox.put(checkBoxNode.getId(), checkBoxNode);
checkBoxNode.setPack(pack);
checkBoxNode.setTotalSize(pack.getSize());
return checkBoxNode;
}
else
{
CheckBoxNode checkBoxNode = new CheckBoxNode(parent, translated, true);
nameToCheckBox.put(checkBoxNode.getId(), checkBoxNode);
checkBoxNode.setPack(pack);
checkBoxNode.setTotalSize(pack.getSize());
return checkBoxNode;
}
}
}
/**
* Called when the panel becomes active. If a derived class implements this method also, it is
* recommended to call this method with the super operator first.
*/
@Override
public void panelActivate()
{
packsModel.updateTable();
updateViewFromModel(getTree());
}
/*
* (non-Javadoc)
*
* @see com.izforge.izpack.installer.IzPanel#getSummaryBody()
*/
@Override
public String getSummaryBody()
{
StringBuffer retval = new StringBuffer(256);
boolean first = true;
for (Pack pack : this.installData.getSelectedPacks())
{
if (!first)
{
retval.append(" ");
}
first = false;
retval.append(getI18NPackName(pack));
}
return retval.toString();
}
public JTree getTree()
{
return packsTree;
}
/**
* Load the regular string from loaclization flies, and optioanlly load strings from LANG_FILE_NAME
*
* @param locales
* @return strings available for this class
*/
private Messages getAvailableStrings(Locales locales)
{
Messages messages = installData.getMessages();
try
{
String webDir = installData.getInfo().getWebDirURL();
boolean fallback = true;
if (webDir != null)
{
InputStream langPackStream = null;
try
{
java.net.URL url = new java.net.URL(
webDir + "/langpacks/" + Resources.PACK_TRANSLATIONS_RESOURCE_NAME + installData.getLocaleISO3());
langPackStream = new WebAccessor(null).openInputStream(url);
messages = new LocaleDatabase(langPackStream, messages, locales);
fallback = false;
}
catch (Exception e)
{
// just ignore this. we use the fallback below
}
finally
{
IOUtils.closeQuietly(langPackStream);
}
}
if (fallback)
{
messages = messages.newMessages(Resources.PACK_TRANSLATIONS_RESOURCE_NAME);
}
}
catch (Throwable t)
{
logger.log(Level.WARNING, t.toString(), t);
}
return messages;
}
/**
* Synchronize the sizes of the packs based on what is/isn't selected.
* This mainly effects any pack that has children.
*/
private void syncPackSizes()
{
CheckBoxNode node;
long bytes;
for (Pack pack : packsModel.getVisiblePacks())
{
bytes = pack.getSize();
if(pack.hasChildren())
{
for(String childPackName : pack.getChildren())
{
Pack childPack = packsModel.getPack(childPackName);
int row = packsModel.getNameToRow().get(childPackName);
if (packsModel.isChecked(row) || packsModel.isPartiallyChecked(row))
{
bytes += childPack.getSize();//SOMETHING HERE
}
}
}
node = nameToCheckBox.get(pack.getName());
long old = node.getTotalSize();
if (old > 0 && old != bytes)
{
node.setTotalSizeChanged(true);
}
else
{
node.setTotalSizeChanged(false);
}
node.setTotalSize(bytes);
}
}
}
/**
* Controller class which handles the mouse clicks on checkbox nodes. Also
* contains utility methods to update the sizes and the states of the nodes.
*
* @author Vladimir Ralev
* @version $Revision: 1.1 $
*/
class CheckTreeController extends MouseAdapter
{
JTree tree;
TreePacksPanel treePacksPanel;
int checkWidth = new JCheckBox().getPreferredSize().width;
public CheckTreeController(TreePacksPanel treePacksPanel)
{
this.tree = treePacksPanel.getTree();
this.treePacksPanel = treePacksPanel;
}
@Override
public void mouseReleased(MouseEvent me)
{
CheckBoxNode selectedNode = handleClick(me);
if (selectedNode == null)
{
return;
}
treePacksPanel.setModelValue(selectedNode);
treePacksPanel.updateViewFromModel(tree);
}
/**
* Handle a click event on the JTree.
* Update the descriptions and dependencies/excludes if a checkbox or checkbox's text was clicked.
* If a checkbox not clicked return null, otherwise return the checkbox that was clicked.
* @param mouseEvent
* @return {@code CheckBoxNode} if clicked otherwise {@code null}
*/
private CheckBoxNode handleClick(MouseEvent mouseEvent)
{
// True when expanding/contracting a group (clicking +/- button)
// True when clicking on whitespace within the TreePacksPanel area
TreePath path = tree.getPathForLocation(mouseEvent.getX(), mouseEvent.getY());
if (path == null)
{
return null;
}
// If a checkbox or the checkbox's text was clicked update any descriptions
// Also update any dependencies and/or excludes
CheckBoxNode selectedNode = (CheckBoxNode) path.getLastPathComponent();
treePacksPanel.updateDescriptionArea(selectedNode.getId());
treePacksPanel.updateDependencyArea(selectedNode.getId());
// True is the a checkbox was not clicked
if ((mouseEvent.getX() > tree.getPathBounds(path).x + checkWidth) || selectedNode.getPack().isRequired())
{
return null;
}
if (!selectedNode.isEnabled())
{
return null;
}
return selectedNode;
}
}
