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Eclipse Platform
Release 3.5

org.eclipse.compare
Class CompareUI


java.lang.Object
  extended by 
org.eclipse.compare.CompareUI

public final class CompareUI
extends Object

The class CompareUI defines the entry point to initiate a configurable compare operation on arbitrary resources. The result of the compare is opened into a compare editor where the details can be browsed and edited in dynamically selected structure and content viewers.

The Compare UI provides a registry for content and structure compare viewers, which is initialized from extensions contributed to extension points declared by this plug-in.

Restriction:
This class is not intended to be instantiated by clients.

Field Summary
static  String COMPARE_VIEWER_TITLE
          Name of the title property of a compare viewer.
static  ImageDescriptor DESC_CTOOL_NEXT
          Image descriptor for the normal icon of the 'Next' tool bar button.
static  ImageDescriptor DESC_CTOOL_PREV
          Image descriptor for the normal icon of the 'Previous' tool bar button.
static  ImageDescriptor DESC_DTOOL_NEXT
          Image descriptor for the disabled icon of the 'Next' tool bar button.
static  ImageDescriptor DESC_DTOOL_PREV
          Image descriptor for the disabled icon of the 'Previous' tool bar button.
static  ImageDescriptor DESC_ETOOL_NEXT
          Image descriptor for the roll-over icon of the 'Next' tool bar button.
static  ImageDescriptor DESC_ETOOL_PREV
          Image descriptor for the roll-over icon of the 'Previous' tool bar button.
static  String PLUGIN_ID
          Compare Plug-in ID (value "org.eclipse.compare").
static  String PREFERENCE_PAGE_ID
          The id of the Compare Preference Page (value "org.eclipse.compare.internal.ComparePreferencePage").
 
Method Summary
static void addStructureViewerAlias ( String type, String alias)
          Adds an alias for the given type.
static  IStreamMerger createStreamMerger ( IContentType type)
          Deprecated. Clients should obtain an org.eclipse.team.core.mapping.IStorageMerger from the org.eclipse.team.core.Team#createMerger(IContentType) method.
static  IStreamMerger createStreamMerger ( String type)
          Deprecated. Clients should obtain an org.eclipse.team.core.mapping.IStorageMerger from the org.eclipse.team.core.Team#createMerger(String) method.
static  IStructureCreator createStructureCreator ( ITypedElement element)
          Create and return a structure creator for the given typed element.
static void disposeOnShutdown ( Image image)
          Registers the given image for being disposed when this plug-in is shutdown.
static  Viewer findContentViewer ( Viewer oldViewer, ICompareInput input, Composite parent, CompareConfiguration configuration)
          Returns a content compare viewer based on an old viewer and an input object.
static  Viewer findContentViewer ( Viewer oldViewer, Object input, Composite parent, CompareConfiguration configuration)
          Returns a content compare viewer based on an old viewer and an input object.
static  Viewer findStructureViewer ( Viewer oldViewer, ICompareInput input, Composite parent, CompareConfiguration configuration)
          Returns a structure compare viewer based on an old viewer and an input object.
static  IDocument getDocument ( Object input)
          Retrieve a document for the given input or return null if no document has been registered for the input.
static  Image getImage ( IAdaptable adaptable)
          Returns a shared image for the given adaptable.
static  Image getImage ( String type)
          Returns a shared image for the given type, or a generic image if none has been registered for the given type.
static  AbstractUIPlugin getPlugin ()
           
static  ResourceBundle getResourceBundle ()
          Returns this plug-in's resource bundle.
static void openCompareDialog ( CompareEditorInput input)
          Performs the comparison described by the given input and opens a modal compare dialog on the result.
static void openCompareEditor ( CompareEditorInput input)
          Performs the comparison described by the given input and opens a compare editor on the result in the currently active workbench page.
static void openCompareEditor ( CompareEditorInput input, boolean activate)
          Performs the comparison described by the given input and opens a compare editor on the result in the currently active workbench page.
static void openCompareEditorOnPage ( CompareEditorInput input, IWorkbenchPage page)
          Performs the comparison described by the given input and opens a compare editor on the result in the given workbench page.
static void registerDocument ( Object input, IDocument document)
          Register a document for the given input.
static void registerImageDescriptor ( String type, ImageDescriptor descriptor)
          Registers an image descriptor for the given type.
static void removeAllStructureViewerAliases ( String type)
          Remove all aliases for the given type.
static void reuseCompareEditor ( CompareEditorInput input, IReusableEditor editor)
          Performs the comparison described by the given input and shows the result in the given editor.
static void unregisterDocument ( IDocument document)
          Unregister the given document.
 
Methods inherited from class java.lang. Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

PLUGIN_ID

public static final 
String PLUGIN_ID
Compare Plug-in ID (value "org.eclipse.compare").

Since:
2.0
See Also:
Constant Field Values

PREFERENCE_PAGE_ID

public static final 
String PREFERENCE_PAGE_ID
The id of the Compare Preference Page (value "org.eclipse.compare.internal.ComparePreferencePage").

Since:
3.1
See Also:
Constant Field Values

DESC_DTOOL_NEXT

public static final 
ImageDescriptor DESC_DTOOL_NEXT
Image descriptor for the disabled icon of the 'Next' tool bar button.

Since:
2.0

DESC_CTOOL_NEXT

public static final 
ImageDescriptor DESC_CTOOL_NEXT
Image descriptor for the normal icon of the 'Next' tool bar button.

Since:
2.0

DESC_ETOOL_NEXT

public static final 
ImageDescriptor DESC_ETOOL_NEXT
Image descriptor for the roll-over icon of the 'Next' tool bar button.

Since:
2.0

DESC_DTOOL_PREV

public static final 
ImageDescriptor DESC_DTOOL_PREV
Image descriptor for the disabled icon of the 'Previous' tool bar button.

Since:
2.0

DESC_CTOOL_PREV

public static final 
ImageDescriptor DESC_CTOOL_PREV
Image descriptor for the normal icon of the 'Previous' tool bar button.

Since:
2.0

DESC_ETOOL_PREV

public static final 
ImageDescriptor DESC_ETOOL_PREV
Image descriptor for the roll-over icon of the 'Previous' tool bar button.

Since:
2.0

COMPARE_VIEWER_TITLE

public static final 
String COMPARE_VIEWER_TITLE
Name of the title property of a compare viewer. If a property with this name is set on the top level SWT control of a viewer, it is used as a title in the pane's title bar.

See Also:
Constant Field Values
Method Detail

getPlugin

public static 
AbstractUIPlugin getPlugin()

getResourceBundle

public static 
ResourceBundle getResourceBundle()
Returns this plug-in's resource bundle.

Returns:
the plugin's resource bundle

openCompareEditor

public static void openCompareEditor(
CompareEditorInput input)
Performs the comparison described by the given input and opens a compare editor on the result in the currently active workbench page.

Parameters:
input - the input on which to open the compare editor

openCompareEditor

public static void openCompareEditor(
CompareEditorInput input,
                                     boolean activate)
Performs the comparison described by the given input and opens a compare editor on the result in the currently active workbench page.

Parameters:
input - the input on which to open the compare editor
activate - if true the editor will be activated
Since:
3.5
See Also:
IWorkbenchPage.openEditor(org.eclipse.ui.IEditorInput, String, boolean)

openCompareEditorOnPage

public static void openCompareEditorOnPage(
CompareEditorInput input,
                                           
IWorkbenchPage page)
Performs the comparison described by the given input and opens a compare editor on the result in the given workbench page.

Parameters:
input - the input on which to open the compare editor
page - the workbench page in which to open the compare editor
Since:
2.1

reuseCompareEditor

public static void reuseCompareEditor(
CompareEditorInput input,
                                      
IReusableEditor editor)
Performs the comparison described by the given input and shows the result in the given editor.

Parameters:
input - the input on which to open the compare editor
editor - the compare editor to reuse or null to create a new one
Since:
3.0

openCompareDialog

public static void openCompareDialog(
CompareEditorInput input)
Performs the comparison described by the given input and opens a modal compare dialog on the result.

Parameters:
input - the input on which to open the compare dialog

registerImageDescriptor

public static void registerImageDescriptor(
String type,
                                           
ImageDescriptor descriptor)
Registers an image descriptor for the given type.

Parameters:
type - the type
descriptor - the image descriptor

getImage

public static 
Image getImage(
String type)
Returns a shared image for the given type, or a generic image if none has been registered for the given type.

Note: Images returned from this method will be automatically disposed of when this plug-in shuts down. Callers must not dispose of these images themselves.

Parameters:
type - the type
Returns:
the image

disposeOnShutdown

public static void disposeOnShutdown(
Image image)
Registers the given image for being disposed when this plug-in is shutdown.

Parameters:
image - the image to register for disposal

getImage

public static 
Image getImage(
IAdaptable adaptable)
Returns a shared image for the given adaptable. This convenience method queries the given adaptable for its IWorkbenchAdapter.getImageDescriptor, which it uses to create an image if it does not already have one.

Note: Images returned from this method will be automatically disposed of when this plug-in shuts down. Callers must not dispose of these images themselves.

Parameters:
adaptable - the adaptable for which to find an image
Returns:
an image

createStreamMerger

public static 
IStreamMerger createStreamMerger(
IContentType type)
Deprecated. Clients should obtain an org.eclipse.team.core.mapping.IStorageMerger from the org.eclipse.team.core.Team#createMerger(IContentType) method.

Creates a stream merger for the given content type. If no stream merger is registered for the given content type null is returned.

Parameters:
type - the type for which to find a stream merger
Returns:
a stream merger for the given type, or null if no stream merger has been registered

createStreamMerger

public static 
IStreamMerger createStreamMerger(
String type)
Deprecated. Clients should obtain an org.eclipse.team.core.mapping.IStorageMerger from the org.eclipse.team.core.Team#createMerger(String) method.

Creates a stream merger for the given file extension. If no stream merger is registered for the file extension null is returned.

Parameters:
type - the type for which to find a stream merger
Returns:
a stream merger for the given type, or null if no stream merger has been registered

findStructureViewer

public static 
Viewer findStructureViewer(
Viewer oldViewer,
                                         
ICompareInput input,
                                         
Composite parent,
                                         
CompareConfiguration configuration)
Returns a structure compare viewer based on an old viewer and an input object. If the old viewer is suitable for showing the input, the old viewer is returned. Otherwise, the input's type is used to find a viewer descriptor in the registry which in turn is used to create a structure compare viewer under the given parent composite. If no viewer descriptor can be found null is returned.

Parameters:
oldViewer - a new viewer is only created if this old viewer cannot show the given input
input - the input object for which to find a structure viewer
parent - the SWT parent composite under which the new viewer is created
configuration - a configuration which is passed to a newly created viewer
Returns:
the compare viewer which is suitable for the given input object or null

findContentViewer

public static 
Viewer findContentViewer(
Viewer oldViewer,
                                       
ICompareInput input,
                                       
Composite parent,
                                       
CompareConfiguration configuration)
Returns a content compare viewer based on an old viewer and an input object. If the old viewer is suitable for showing the input the old viewer is returned. Otherwise the input's type is used to find a viewer descriptor in the registry which in turn is used to create a content compare viewer under the given parent composite. If no viewer descriptor can be found null is returned.

Parameters:
oldViewer - a new viewer is only created if this old viewer cannot show the given input
input - the input object for which to find a content viewer
parent - the SWT parent composite under which the new viewer is created
configuration - a configuration which is passed to a newly created viewer
Returns:
the compare viewer which is suitable for the given input object or null

findContentViewer

public static 
Viewer findContentViewer(
Viewer oldViewer,
                                       
Object input,
                                       
Composite parent,
                                       
CompareConfiguration configuration)
Returns a content compare viewer based on an old viewer and an input object. If the old viewer is suitable for showing the input the old viewer is returned. Otherwise the input's type is used to find a viewer descriptor in the registry which in turn is used to create a content compare viewer under the given parent composite. In order to determine the input's type, the input must either implement IStreamContentAccessor and ITypedElement or ICompareInput. If no viewer descriptor can be found null is returned.

Parameters:
oldViewer - a new viewer is only created if this old viewer cannot show the given input
input - the input object for which to find a content viewer. Must implement either IStreamContentAccessor and ITypedElement or ICompareInput.
parent - the SWT parent composite under which the new viewer is created
configuration - a configuration which is passed to a newly created viewer
Returns:
the compare viewer which is suitable for the given input object or null

addStructureViewerAlias

public static void addStructureViewerAlias(
String type,
                                           
String alias)
Adds an alias for the given type. Subsequent calls to findStructureViewer treat alias as a synonym for type and return the same viewer.

Parameters:
type - a type name for which a viewer has been registered
alias - a type name which should be treated as a synonym of type
Since:
2.0
Restriction:
This method is for internal use only. Clients should not call this method.

removeAllStructureViewerAliases

public static void removeAllStructureViewerAliases(
String type)
Remove all aliases for the given type. This method does not affect the initial binding between type and viewer. If no aliases exist for the given type this method does nothing.

Parameters:
type - the type name for which all synonyms are removed.
Since:
2.0
Restriction:
This method is for internal use only. Clients should not call this method.

getDocument

public static 
IDocument getDocument(
Object input)
Retrieve a document for the given input or return null if no document has been registered for the input.

Parameters:
input - the object for which to retrieve a document
Returns:
a document or null if no document was registered for the input
Since:
3.1

registerDocument

public static void registerDocument(
Object input,
                                    
IDocument document)
Register a document for the given input.

Parameters:
input - the object for which to register a document
document - the document to register
Since:
3.1

unregisterDocument

public static void unregisterDocument(
IDocument document)
Unregister the given document.

Parameters:
document - the document to unregister
Since:
3.1

createStructureCreator

public static 
IStructureCreator createStructureCreator(
ITypedElement element)
Create and return a structure creator for the given typed element. Return null if an appropriate structure creator could not be obtained.

Parameters:
element - the typed element
Returns:
structure creator for the given typed element or null
Since:
3.4

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