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Eclipse Platform
Release 3.5

org.eclipse.compare.patch
Class ApplyPatchOperation

java.lang.Object
  extended by 
org.eclipse.compare.patch.ApplyPatchOperation
All Implemented Interfaces:
Runnable

public class ApplyPatchOperation
extends Object
implements Runnable

An operation that provides an interface to the Apply Patch Wizard. Users specify the input in terms of an IStorage (note: input must be in unified diff format), an IResource target to apply the patch to and can provide CompareConfiguration elements to supply the label and images used on the preview page and hunk merge page. Finally, the user can also supply a title and image to override the default ones provided by the Apply Patch Wizard. Note that the Apply Patch Wizard does not require any particular set of inputs, and in the absence of any user supplied values, it will work in default mode.

Since:
3.3

Constructor Summary
ApplyPatchOperation ( IWorkbenchPart targetPart, IResource resource)
          Create an operation for the given part and resource.
ApplyPatchOperation ( IWorkbenchPart part, IStorage patch, IResource target, CompareConfiguration configuration)
          Creates a new ApplyPatchOperation with the supplied compare configuration, patch and target.
 
Method Summary
protected   Shell getShell ()
          Return the parent shell to be used when the wizard is opened.
static boolean isPatch ( IStorage storage)
          Return whether the given storage contains a patch.
 void openWizard ()
          Open the Apply Patch wizard using the values associated with this operation.
static  IFilePatch[] parsePatch ( IStorage storage)
          Parse the given patch and return the set of file patches that it contains.
 void run ()
           
protected  void saveAllEditors ()
          This method will save all dirty editors.
 void setPatchWizardImageDescriptor ( ImageDescriptor descriptor)
          Sets the image descriptor to use in the patch wizard.
 void setPatchWizardTitle ( String title)
          Sets the title of the patch wizard.
 
Methods inherited from class java.lang. Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ApplyPatchOperation

public ApplyPatchOperation(
IWorkbenchPart part,
                           
IStorage patch,
                           
IResource target,
                           
CompareConfiguration configuration)
Creates a new ApplyPatchOperation with the supplied compare configuration, patch and target. The behaviour of the Apply Patch wizard is controlled by the number of parameters supplied:
  • If a patch is supplied, the initial input page is skipped. If a patch is not supplied the wizard will open on the input page.
  • If the patch is a workspace patch, the target selection page is skipped and the preview page is displayed.
  • If the patch is not a workspace patch and the target is specified, the target page is still shown with the target selected.

Parameters:
part - an IWorkbenchPart or null
patch - an IStorage containing a patch in unified diff format or null
target - an IResource which the patch is to be applied to or null
configuration - a CompareConfiguration supplying the labels and images for the preview patch page

ApplyPatchOperation

public ApplyPatchOperation(
IWorkbenchPart targetPart,
                           
IResource resource)
Create an operation for the given part and resource. This method is a convenience method that calls ApplyPatchOperation(IWorkbenchPart, IStorage, IResource, CompareConfiguration) with appropriate defaults for the other parameters.

Parameters:
targetPart - an IResource which the patch is to be applied to or null
resource - an IResource which the patch is to be applied to or null
See Also:
ApplyPatchOperation(IWorkbenchPart, IStorage, IResource, CompareConfiguration)
Method Detail

isPatch

public static boolean isPatch(
IStorage storage)
                       throws 
CoreException
Return whether the given storage contains a patch.

Parameters:
storage - the storage
Returns:
whether the given storage contains a patch
Throws:
CoreException - if an error occurs reading the contents from the storage

parsePatch

public static 
IFilePatch[] parsePatch(
IStorage storage)
                               throws 
CoreException
Parse the given patch and return the set of file patches that it contains.

Parameters:
storage - the storage that contains the patch
Returns:
the set of file patches that the storage contains
Throws:
CoreException - if an error occurs reading the contents from the storage

openWizard

public void openWizard()
Open the Apply Patch wizard using the values associated with this operation. This method must be called from the UI thread.


getShell

protected 
Shell getShell()
Return the parent shell to be used when the wizard is opened. By default, the site of the part is used to get the shell. Subclasses may override.

Returns:
the parent shell to be used when the wizard is opened

saveAllEditors

protected void saveAllEditors()
This method will save all dirty editors. It will prompt the user if the Compare preference to save dirty editors before viewing a patch is false. Clients can use this or provide their own implementation.


setPatchWizardTitle

public void setPatchWizardTitle(
String title)
Sets the title of the patch wizard. Needs to be set before openWizard() is called.

Parameters:
title - a string to display in the title bar

setPatchWizardImageDescriptor

public void setPatchWizardImageDescriptor(
ImageDescriptor descriptor)
Sets the image descriptor to use in the patch wizard. Needs to be set before openWizard() is called.

Parameters:
descriptor - an image descriptor

run

public void run()
Specified by:
run in interface Runnable

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire