Class BreadcrumbTreeAdapterSelector.TreeContentProvider

java.lang.Object

org.pushingpixels.radiance.component.api.bcb.BreadcrumbBarContentProvider<T>

org.pushingpixels.radiance.component.api.bcb.core.BreadcrumbTreeAdapterSelector.TreeContentProvider

Enclosing class:

BreadcrumbTreeAdapterSelector<T>

private class BreadcrumbTreeAdapterSelector.TreeContentProvider
extends BreadcrumbBarContentProvider<T>

Tree-adapter specific implementation of the BreadcrumbBarContentProvider.

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	isRootVisible	If true, the first selector shows the tree root node.
private BreadcrumbTreeAdapterSelector.TreeAdapter<T>	treeAdapter	The corresponding tree adapter.
private TreeModel	treeModel	The corresponding tree model.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	TreeContentProvider(TreeModel treeModel, BreadcrumbTreeAdapterSelector.TreeAdapter<T> treeAdapter, boolean isRootVisible)	Creates the callback.

Method Summary

Modifier and Type	Method	Description
InputStream	getLeafContent(T leaf)	Returns the input stream with the leaf content.
List<BreadcrumbItem<T>>	getLeaves(List<BreadcrumbItem<T>> path)	Returns the leaf elements that correspond to the specified path.
List<BreadcrumbItem<T>>	getPathChoices(List<BreadcrumbItem<T>> path)	Returns the choice elements that correspond to the specified path.

Methods inherited from class Object

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

Field Details

treeModel

private TreeModel treeModel

The corresponding tree model.

treeAdapter

private BreadcrumbTreeAdapterSelector.TreeAdapter<T> treeAdapter

The corresponding tree adapter. Can not be null.

isRootVisible

private boolean isRootVisible

If true, the first selector shows the tree root node. If false, the first selector shows the tree root child nodes.

Constructor Details

TreeContentProvider

private TreeContentProvider(TreeModel treeModel,
 BreadcrumbTreeAdapterSelector.TreeAdapter<T> treeAdapter,
 boolean isRootVisible)

Creates the callback.

Parameters:

treeModel - The corresponding tree model.

treeAdapter - The corresponding tree adapter. Can not be null.

isRootVisible - If true, the first selector shows the tree root node. If false, the first selector shows the tree root child nodes.

Method Details

getPathChoices

public List<BreadcrumbItem<T>> getPathChoices(List<BreadcrumbItem<T>> path)

Description copied from class: BreadcrumbBarContentProvider

Returns the choice elements that correspond to the specified path. If the path is empty, null should be returned. If path is null, the "root" elements should be returned

Overrides:

getPathChoices in class BreadcrumbBarContentProvider<T>

Parameters:

path - Breadcrumb bar path.

Returns:

The choice elements that correspond to the specified path

getLeaves

public List<BreadcrumbItem<T>> getLeaves(List<BreadcrumbItem<T>> path)

Description copied from class: BreadcrumbBarContentProvider

Returns the leaf elements that correspond to the specified path. If the path is empty, null should be returned. If path is null, leaf content of the "root" elements should be returned. Most probably, if your root is more than one element, you should be returning null in here.

Overrides:

getLeaves in class BreadcrumbBarContentProvider<T>

Parameters:

path - Breadcrumb bar path.

Returns:

The leaf elements that correspond to the specified path

getLeafContent

public InputStream getLeafContent(T leaf)

Description copied from class: BreadcrumbBarContentProvider

Returns the input stream with the leaf content. Some implementations may return null if this is not applicable.

Overrides:

getLeafContent in class BreadcrumbBarContentProvider<T>

Parameters:

leaf - Leaf.

Returns:

Input stream with the leaf content. May be null if this is not applicable.