com.ibm.xtools.comparemerge.emf.submerge

Class EmfTextSubMergeExtender

java.lang.Object

TextSubMergeExtender

com.ibm.xtools.comparemerge.emf.submerge.EmfTextSubMergeExtender

public class EmfTextSubMergeExtender
extends TextSubMergeExtender

This is the convenience text submerge base class for extender that want specific content viewer used base on the context of the selected deltas.

Constructor Summary

Constructors

Constructor and Description
EmfTextSubMergeExtender()

Method Summary

Modifier and Type	Method and Description
boolean	canMergeData(ISubMergeDataHolder dataHolder)
protected java.lang.String	computeFileExtension(ISubMergeDataHolder dataHolder)
protected java.lang.String	findFileExtensionFromDelta(Delta leftDelta, Delta rightDelta) Finds and returns the file extension associated with the text changes base on the context of the deltas.
java.lang.String	getDisplayContentTypeName()
protected java.lang.String	getFileExtension()
Delta	getLeftDelta(ISubMergeDataHolder dataHolder)
Delta	getRightDelta(ISubMergeDataHolder dataHolder)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EmfTextSubMergeExtender

public EmfTextSubMergeExtender()

Method Detail

getFileExtension

protected java.lang.String getFileExtension()

canMergeData

public boolean canMergeData(ISubMergeDataHolder dataHolder)

computeFileExtension

protected java.lang.String computeFileExtension(ISubMergeDataHolder dataHolder)

getDisplayContentTypeName

public java.lang.String getDisplayContentTypeName()

findFileExtensionFromDelta

protected java.lang.String findFileExtensionFromDelta(Delta leftDelta,
                                                      Delta rightDelta)

Finds and returns the file extension associated with the text changes base on the context of the deltas. If there is a content viewer available in the eclipse registry for the returned file extension type, the submerge menu action is offered to the user and the submerge session will use that registered content viewer in the compare viewer. Otherwise, there is no menu action from this extender shown.

Parameters:

leftDelta - - text changes from local workspace made by current user (can be null).

rightDelta - - text change from latest revision in the repository (can be null).

Returns:

the file extension associated with text data such as java, c, c++, cpp, h, hpp, mk, asm, ... OR null if no file extension type that can be determined by the context of the two deltas. In this case, the no submerge actions will be offered to the user for the given selected deltas.

getLeftDelta

public Delta getLeftDelta(ISubMergeDataHolder dataHolder)

getRightDelta

public Delta getRightDelta(ISubMergeDataHolder dataHolder)