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Eclipse Platform
Release 3.0

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org.eclipse.compare.structuremergeviewer
Class DiffContainer

java.lang.Object
  org.eclipse.compare.structuremergeviewer.DiffElement
      org.eclipse.compare.structuremergeviewer.DiffContainer

All Implemented Interfaces:

IDiffContainer, IDiffElement, ITypedElement

Direct Known Subclasses:

DiffNode

public abstract class DiffContainer

extends DiffElement

implements IDiffContainer

The standard implementation of a diff container element.

This class may be instantiated, or further subclassed.

Field Summary

Fields inherited from interface org.eclipse.compare.ITypedElement

FOLDER_TYPE, TEXT_TYPE, UNKNOWN_TYPE

Constructor Summary

DiffContainer(IDiffContainer parent, int kind)
Creates a new container with the specified kind under the given parent.

Method Summary

void	add(IDiffElement diff) Adds the given child to this container.
IDiffElement	findChild(String name) Tries to find the child with the given name.
IDiffElement[]	getChildren() Returns the children of this container.
boolean	hasChildren() Returns whether this container has at least one child.
void	remove(IDiffElement child) Removes the given child (non-recursively) from this container.
void	removeToRoot(IDiffElement child) Removes the given child from this container.

Methods inherited from class org.eclipse.compare.structuremergeviewer.DiffElement

getImage, getKind, getParent, getType, setKind, setParent

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.compare.structuremergeviewer.IDiffElement

getKind, getParent, setParent

Methods inherited from interface org.eclipse.compare.ITypedElement

getImage, getName, getType

Constructor Detail

DiffContainer

public DiffContainer(IDiffContainer parent,
                     int kind)

Creates a new container with the specified kind under the given parent.

Parameters:

parent - under which the new container is added as a child or null.

kind - of difference (defined in Differencer).

Method Detail

findChild

public IDiffElement findChild(String name)

Tries to find the child with the given name. Returns null if no such child exists.

Parameters:

name - of the child to find

Returns:

the first element with a matching name

add

public void add(IDiffElement diff)

Description copied from interface: IDiffContainer

Adds the given child to this container. If the child is already contained in this container, this method has no effect.

Specified by:

add in interface IDiffContainer

Parameters:

diff - the child to be added to this container

removeToRoot

public void removeToRoot(IDiffElement child)

Removes the given child from this container. If the container becomes empty it is removed from its container.

Specified by:

removeToRoot in interface IDiffContainer

Parameters:

child - the child to be removed from this container

remove

public void remove(IDiffElement child)

Removes the given child (non-recursively) from this container.

Parameters:

child - to remove

hasChildren

public boolean hasChildren()

Description copied from interface: IDiffContainer

Returns whether this container has at least one child. In some cases this methods avoids having to call the potential more costly getChildren method.

Specified by:

hasChildren in interface IDiffContainer

Returns:

true if this container has at least one child

getChildren

public IDiffElement[] getChildren()

Description copied from interface: IDiffContainer

Returns the children of this container. If this container has no children an empty array is returned (not null).

Specified by:

getChildren in interface IDiffContainer

Returns:

the children of this container as an array