upidiff.diff
Class BlockChange

java.lang.Object
  |
  +--upidiff.diff.Change
        |
        +--upidiff.diff.BlockChange

All Implemented Interfaces:

Serializable

public final class BlockChange

extends Change

This class represents a block change. A block change consists of 1 or more line changes.

Author:

bmeurer

See Also:

Serialized Form

Field Summary

private boolean	lineChangesVisible Whether or not the line changes should be displayed.
private BlockChange	nextBlockChange Pointer to the next block change in the link list or null.
private BlockChange	prevBlockChange Pointer to the previous block change in the link list or null.

Fields inherited from class upidiff.diff.Change

deleted, deletedOffset, inserted, insertedOffset, NEWFILE, next, NOTMERGED, OLDFILE, parent, prev, whichVersion

Constructor Summary

(package private)

BlockChange(Diff.Change change, boolean lineChangesVisible) Creates a new block change using the result of the differencer.

Method Summary

(package private) void	calculateLineChanges(boolean charChangesVisible) Calculates the lines changes within this block change.
BlockChange	getNextBlockChange() Returns a pointer to the next block change or null.
BlockChange	getPrevBlockChange() Returns a pointer to the previous block change or null.
boolean	hasLineChanges() Checks whether this block change has line changes associated with it.
boolean	isLineChangesVisible() Returns whether or not to display line changes for this block change.
boolean	oneLineAlreadyMerged() This method queries whether one of the LineChanges in this Line was already merged.
void	setLineChangesVisible(boolean visible) Sets whether or not to display line changes for this block change.
void	setNextBlockChange(BlockChange next) Sets the pointer to the next block change.
void	setPrevBlockChange(BlockChange prev) Sets the pointer to the previous block change.

Methods inherited from class upidiff.diff.Change

getDeleted, getDeletedOffset, getInserted, getInsertedOffset, getMergedVersion, getNext, getParent, getPrev, isMerged, setDeleted, setDeletedOffset, setInserted, setInsertedOffset, setMerged, setNext, setParent, setPrev

Methods inherited from class java.lang.Object

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

Field Detail

lineChangesVisible

private boolean lineChangesVisible

Whether or not the line changes should be displayed.

nextBlockChange

private BlockChange nextBlockChange

Pointer to the next block change in the link list or null.

prevBlockChange

private BlockChange prevBlockChange

Pointer to the previous block change in the link list or null.

Constructor Detail

BlockChange

BlockChange(Diff.Change change,
            boolean lineChangesVisible)

Creates a new block change using the result of the differencer.

Parameters:

change - Change object as returned by the differencer.

lineChangesVisible - Whether or not line changes for this block change should be displayed.

See Also:

Change.Change(Diff.Change,Change)

Method Detail

isLineChangesVisible

public final boolean isLineChangesVisible()

Returns whether or not to display line changes for this block change.

Returns:

true, if line changes should be visible, else false.

setLineChangesVisible

public final void setLineChangesVisible(boolean visible)

Sets whether or not to display line changes for this block change.

Parameters:

visible - Visibility for line changes within this block change.

oneLineAlreadyMerged

public final boolean oneLineAlreadyMerged()

This method queries whether one of the LineChanges in this Line was already merged.

Returns:

Returns true if on of its LineChanges was already merged

getNextBlockChange

public final BlockChange getNextBlockChange()

Returns a pointer to the next block change or null.

Returns:

Pointer to the next block change in the link list.

setNextBlockChange

public final void setNextBlockChange(BlockChange next)

Sets the pointer to the next block change.

Parameters:

next - New next block change in the list or null.

getPrevBlockChange

public final BlockChange getPrevBlockChange()

Returns a pointer to the previous block change or null.

Returns:

Pointer to the previous block in the link list.

setPrevBlockChange

public final void setPrevBlockChange(BlockChange prev)

Sets the pointer to the previous block change.

Parameters:

prev - New previous block change in the list or null.

hasLineChanges

public final boolean hasLineChanges()

Checks whether this block change has line changes associated with it.

Returns:

true if the block change has line changes, else false.

calculateLineChanges

final void calculateLineChanges(boolean charChangesVisible)

Calculates the lines changes within this block change.

Parameters:

charChangesVisible - Whether or not to display char changes by default. This has no effect if lineChangesVisible is false for this block change.