Eclipse JDT
Release 3.7

org.eclipse.jdt.debug.ui.launchConfigurations
Class AbstractVMInstallPage

java.lang.Object
  extended by org.eclipse.jface.dialogs.DialogPage
      extended by org.eclipse.jface.wizard.WizardPage
          extended by org.eclipse.jdt.debug.ui.launchConfigurations.AbstractVMInstallPage
All Implemented Interfaces:
IDialogPage, IMessageProvider, IWizardPage

public abstract class AbstractVMInstallPage
extends WizardPage

A wizard page used to edit the attributes of an installed JRE. A page is provided by JDT to edit standard JREs, but clients may contribute a custom page for a VM install type if required.

A VM install page is contributed via the vmInstallPages extension point. Following is an example definition of a VM install page.

 <extension point="org.eclipse.jdt.debug.ui.vmInstallPages">
   <vmInstallPage 
      vmInstallType="org.eclipse.jdt.launching.EEVMType"
      class="org.eclipse.jdt.internal.debug.ui.jres.EEVMPage">
   </vmInstallPage>
 </extension>
 
The attributes are specified as follows:

Clients contributing a custom VM install page via the vmInstallPages extension point must subclass this class.

Since:
3.3

Field Summary
 
Fields inherited from interface org.eclipse.jface.dialogs.IMessageProvider
ERROR, INFORMATION, NONE, WARNING
 
Constructor Summary
protected AbstractVMInstallPage(String pageName)
          Constructs a new page with the given page name.
protected AbstractVMInstallPage(String pageName, String title, ImageDescriptor titleImage)
          Creates a new wizard page with the given name, title, and image.
 
Method Summary
abstract  boolean finish()
          Called when the VM install page wizard is closed by selecting the finish button.
protected  IStatus getNameStatus()
          Returns the current status of the name being used for the VM.
 IWizardPage getNextPage()
           
abstract  VMStandin getSelection()
          Returns the edited or created VM install.
protected abstract  IStatus[] getVMStatus()
          Returns a collection of status messages pertaining to the current edit status of the VM on this page.
protected  void nameChanged(String newName)
          Updates the name status based on the new name.
 void setExistingNames(String[] names)
          Sets the names of existing VMs, not including the VM being edited.
 void setSelection(VMStandin vm)
          Sets the VM install to be edited.
protected  void setStatusMessage(IStatus status)
          Sets this page's message based on the status severity.
protected  void updatePageStatus()
          Updates the status message on the page, based on the status of the VM and other status provided by the page.
 
Methods inherited from class org.eclipse.jface.wizard.WizardPage
canFlipToNextPage, getContainer, getDialogSettings, getImage, getName, getPreviousPage, getShell, getWizard, isCurrentPage, isPageComplete, setDescription, setErrorMessage, setImageDescriptor, setMessage, setPageComplete, setPreviousPage, setTitle, setWizard, toString
 
Methods inherited from class org.eclipse.jface.dialogs.DialogPage
convertHeightInCharsToPixels, convertHorizontalDLUsToPixels, convertVerticalDLUsToPixels, convertWidthInCharsToPixels, dispose, getControl, getDescription, getDialogFontName, getErrorMessage, getFont, getMessage, getMessageType, getTitle, getToolTipText, initializeDialogUnits, isControlCreated, performHelp, setButtonLayoutData, setControl, setMessage, setVisible
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.eclipse.jface.dialogs.IDialogPage
createControl, dispose, getControl, getDescription, getErrorMessage, getMessage, getTitle, performHelp, setVisible
 

Constructor Detail

AbstractVMInstallPage

protected AbstractVMInstallPage(String pageName)
Constructs a new page with the given page name.

Parameters:
pageName - the name of the page

AbstractVMInstallPage

protected AbstractVMInstallPage(String pageName,
                                String title,
                                ImageDescriptor titleImage)
Creates a new wizard page with the given name, title, and image.

Parameters:
pageName - the name of the page
title - the title for this wizard page, or null if none
titleImage - the image descriptor for the title of this wizard page, or null if none
Method Detail

finish

public abstract boolean finish()
Called when the VM install page wizard is closed by selecting the finish button. Implementers typically override this method to store the page result (new/changed vm install returned in getSelection) into its model.

Returns:
if the operation was successful. Only when returned true, the wizard will close.

getSelection

public abstract VMStandin getSelection()
Returns the edited or created VM install. This method may return null if no VM install exists.

Returns:
the edited or created VM install.

setSelection

public void setSelection(VMStandin vm)
Sets the VM install to be edited.

Parameters:
vm - the VM install to edit

nameChanged

protected void nameChanged(String newName)
Updates the name status based on the new name. This method should be called by the page each time the VM name changes.

Parameters:
newName - new name of VM

setExistingNames

public void setExistingNames(String[] names)
Sets the names of existing VMs, not including the VM being edited. This method is called by the wizard and clients should not call this method.

Parameters:
names - existing VM names or an empty array

getNextPage

public IWizardPage getNextPage()
Specified by:
getNextPage in interface IWizardPage
Overrides:
getNextPage in class WizardPage

setStatusMessage

protected void setStatusMessage(IStatus status)
Sets this page's message based on the status severity.

Parameters:
status - status with message and severity

getNameStatus

protected IStatus getNameStatus()
Returns the current status of the name being used for the VM.

Returns:
status of current VM name

updatePageStatus

protected void updatePageStatus()
Updates the status message on the page, based on the status of the VM and other status provided by the page.


getVMStatus

protected abstract IStatus[] getVMStatus()
Returns a collection of status messages pertaining to the current edit status of the VM on this page. An empty collection or a collection of OK status objects indicates all is well.

Returns:
collection of status objects for this page

Eclipse JDT
Release 3.7

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