com.izforge.izpack.panels
Class CheckedHelloPanel

java.lang.Object
  extended by java.awt.Component
      extended by java.awt.Container
          extended by javax.swing.JComponent
              extended by javax.swing.JPanel
                  extended by com.izforge.izpack.installer.IzPanel
                      extended by com.izforge.izpack.panels.HelloPanel
                          extended by com.izforge.izpack.panels.CheckedHelloPanel
All Implemented Interfaces:
AbstractUIHandler, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, javax.accessibility.Accessible

public class CheckedHelloPanel
extends HelloPanel

An extended hello panel class which detects whether the product was already installed or not. This class should be only used if the RegistryInstallerListener will be also used. Current the check will be only performed on Windows operating system. This class can be used also as example how to use the registry stuff to get informations from the current system.

Author:
Klaus Bartz
See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from class com.izforge.izpack.installer.IzPanel
IzPanel.Filler
 
Nested classes/interfaces inherited from class javax.swing.JPanel
javax.swing.JPanel.AccessibleJPanel
 
Nested classes/interfaces inherited from class javax.swing.JComponent
javax.swing.JComponent.AccessibleJComponent
 
Nested classes/interfaces inherited from class java.awt.Container
java.awt.Container.AccessibleAWTContainer
 
Nested classes/interfaces inherited from class java.awt.Component
java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy
 
Field Summary
protected  boolean abortInstallation
          Flag to break installation or not.
 
Fields inherited from class com.izforge.izpack.installer.IzPanel
COLS_1, d, D, defaultGridBagConstraints, gridBagLayoutStarted, gridxCounter, gridyCounter, headline, HEADLINE, headLineLabel, idata, initialFocus, izPanelLayout, myClassname, myFullClassname, myPrefix, parent, ROWS_1, X_ORIGIN, Y_ORIGIN
 
Fields inherited from class javax.swing.JComponent
accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW
 
Fields inherited from class java.awt.Component
BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT
 
Fields inherited from interface com.izforge.izpack.util.AbstractUIHandler
ANSWER_CANCEL, ANSWER_NO, ANSWER_YES, CHOICES_YES_NO, CHOICES_YES_NO_CANCEL
 
Fields inherited from interface java.awt.image.ImageObserver
ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH
 
Constructor Summary
CheckedHelloPanel(InstallerFrame parent, InstallData idata)
          The constructor.
 
Method Summary
protected  boolean isRegistered()
          Returns wether the handled application is already registered or not.
 boolean isValidated()
          Indicates wether the panel has been validated or not.
protected  boolean multipleInstall()
          This method should only be called if this product was allready installed.
 void panelActivate()
          This method is called when the panel becomes active.
private  void setUniqueUninstallKey()
           
 
Methods inherited from class com.izforge.izpack.installer.IzPanel
askQuestion, askQuestion, buildHeadline, completeGridBagLayout, createLabel, createLabel, createMultiLineLabel, createMultiLineLabel, createMultiLineLabelLang, emitError, emitNotification, emitWarning, getClassName, getControlTextFont, getDefaultGridBagConstraints, getI18nStringForClass, getImageIcon, getInitialFocus, getInstallerFrame, getLAF, getNewGridBagConstraints, getNewGridBagConstraints, getNextXGridBagConstraints, getNextYGridBagConstraints, getNextYGridBagConstraints, getString, getSummaryBody, getSummaryCaption, init, makeXMLData, panelDeactivate, resetGridCounter, setDefaultGridBagConstraints, setInitialFocus, setLayout, startGridBagLayout
 
Methods inherited from class javax.swing.JPanel
getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI
 
Methods inherited from class javax.swing.JComponent
addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update
 
Methods inherited from class java.awt.Container
add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusBackward, transferFocusDownCycle, validate, validateTree
 
Methods inherited from class java.awt.Component
action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

abortInstallation

protected boolean abortInstallation
Flag to break installation or not.

Constructor Detail

CheckedHelloPanel

public CheckedHelloPanel(InstallerFrame parent,
                         InstallData idata)
The constructor.

Parameters:
parent - The parent.
idata - The installation data.
Method Detail

multipleInstall

protected boolean multipleInstall()
                           throws java.lang.Exception
This method should only be called if this product was allready installed. It resolves the install path of the first already installed product and asks the user whether to install twice or not.

Returns:
whether a multiple Install should be performed or not.
Throws:
java.lang.Exception

isRegistered

protected boolean isRegistered()
Returns wether the handled application is already registered or not. The validation will be made only on systems which contains a registry (Windows).

Returns:
wether the handled application is already registered or not

isValidated

public boolean isValidated()
Indicates wether the panel has been validated or not.

Overrides:
isValidated in class HelloPanel
Returns:
true if the internal abort flag is not set, else false

panelActivate

public void panelActivate()
Description copied from class: IzPanel
This method is called when the panel becomes active. Default is to do nothing : feel free to implement what you need in your subclasses. A panel becomes active when the user reaches it during the installation process.

Overrides:
panelActivate in class IzPanel

setUniqueUninstallKey

private void setUniqueUninstallKey()
                            throws java.lang.Exception
Throws:
java.lang.Exception