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Java Source Code / Java Documentation » IDE Eclipse » jface » org.eclipse.jface.internal.databinding.provisional.viewers

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

org.eclipse.jface.internal.databinding.provisional.viewers .UnorderedTreeContentProvider

UnorderedTreeContentProvider
public class UnorderedTreeContentProvider implements ITreeContentProvider,ITreePathContentProvider(Code)
	NON-API - Generic tree content provider to be used with an AbstractTreeViewer based on a IUnorderedTreeProvider. since: 1.1

Inner Class :class KnownElementsSet extends AbstractObservableSet

Field Summary
KnownElementsSet	elements

Constructor Summary
public	UnorderedTreeContentProvider(IUnorderedTreeProvider provider, Object pendingNode, boolean useRefresh) Constructs a content provider that will render the given tree in a TreeViewer.

Method Summary
void	add(Object element, Set additions)
void	changeStale(int staleDelta)
IObservableSet	createChildSet(Object element)
public void	dispose()
void	enqueuePrefetch(TreeNode node)
public Object[]	getChildren(Object parentElement)
public Object[]	getChildren(TreePath parentPath)
public IObservableSet	getChildrenSet(Object parent)
public Object[]	getElements(Object inputElement)
public IObservableSet	getKnownElements()
public Object	getParent(Object element)
public TreePath[]	getParents(Object element)
final public Object	getPendingNode()
public TreeViewer	getViewer()
public boolean	hasChildren(Object element)
public boolean	hasChildren(TreePath path)
public void	inputChanged(Viewer viewer, Object oldInput, Object newInput)
public boolean	isDirty(Object element)
void	remove(Object element, Set removals, boolean lastElement)
public void	setMaxPrefetches(int maxPrefetches)
public void	setRootPath(IParentProvider rootParentProvider)
public void	useTreePaths(boolean usePaths) Sets whether this content provider should add/remove elements using TreePaths (true) or elements (false).

Field Detail

elements
KnownElementsSet elements(Code)

Constructor Detail

UnorderedTreeContentProvider
public UnorderedTreeContentProvider(IUnorderedTreeProvider provider, Object pendingNode, boolean useRefresh)(Code)
	Constructs a content provider that will render the given tree in a TreeViewer. Parameters: provider - IObservableTree that provides the contents of the tree Parameters: pendingNode - element to insert whenever a node is being fetched in the background Parameters: useRefresh - true = notify the viewer of changes by calling refresh(...), false =notify the viewer of changes by calling add(...) and remove(...). Using falseis more efficient, but may not work with TreeViewer subclasses.

Method Detail

add
void add(Object element, Set additions)(Code)

changeStale
void changeStale(int staleDelta)(Code)

createChildSet
IObservableSet createChildSet(Object element)(Code)

dispose
public void dispose()(Code)

enqueuePrefetch
void enqueuePrefetch(TreeNode node)(Code)

getChildren
public Object[] getChildren(Object parentElement)(Code)

getChildren
public Object[] getChildren(TreePath parentPath)(Code)

getChildrenSet
public IObservableSet getChildrenSet(Object parent)(Code)
	Parameters: parent - aueosnht

getElements
public Object[] getElements(Object inputElement)(Code)

getKnownElements
public IObservableSet getKnownElements()(Code)
	aouesnth

getParent
public Object getParent(Object element)(Code)

getParents
public TreePath[] getParents(Object element)(Code)

getPendingNode
final public Object getPendingNode()(Code)
	saouesnth

getViewer
public TreeViewer getViewer()(Code)
	aoueesnth

hasChildren
public boolean hasChildren(Object element)(Code)

hasChildren
public boolean hasChildren(TreePath path)(Code)

inputChanged
public void inputChanged(Viewer viewer, Object oldInput, Object newInput)(Code)

isDirty
public boolean isDirty(Object element)(Code)
	Parameters: element - aoeusnth

remove
void remove(Object element, Set removals, boolean lastElement)(Code)

setMaxPrefetches
public void setMaxPrefetches(int maxPrefetches)(Code)
	Parameters: maxPrefetches -

setRootPath
public void setRootPath(IParentProvider rootParentProvider)(Code)
	Parameters: rootParentProvider -

useTreePaths

public void useTreePaths(boolean usePaths)(Code)

Sets whether this content provider should add/remove elements using TreePaths (true) or elements (false).

When using elements:

Cycles are permitted (elements can be their own ancestor)
Addition, removal, and refresh are slightly faster
It is not possible to have more than one content provider per tree
The setRootPath(...) method is ignored

When using TreePaths:

Cycles are not permitted (elements cannot be their own parent)
Addition, removal, and refresh are slightly slower
It is possible to use more than one content provider in the same tree
The setRootPath(...) method can be used to direct the output to a particular subtree

Parameters:
usePaths -

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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