Field Detail

• treeModel

  protected TreeModel treeModel

  The corresponding tree model.

• treeAdapter

  protected BreadcrumbTreeAdapterSelector.TreeAdapter treeAdapter

  The corresponding tree adapter. Can not be null.

• isRootVisible

  protected boolean isRootVisible

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

Constructor Detail

• TreeCallback

  public TreeCallback​(TreeModel treeModel,
                      BreadcrumbTreeAdapterSelector.TreeAdapter 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 Detail

• getPathChoices

  public List<StringValuePair<Object>> getPathChoices​(List<BreadcrumbItem<Object>> path)

  Description copied from class: BreadcrumbBarCallBack
  Returns the choice element that corresponds 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 BreadcrumbBarCallBack<Object>

  Parameters:

  path - Breadcrumb bar path.

  Returns:

  The choice element that corresponds to the specified path

• getLeafs

  public List<StringValuePair<Object>> getLeafs​(List<BreadcrumbItem<Object>> path)

  Description copied from class: BreadcrumbBarCallBack
  Returns the choice element that corresponds to the specified path. If the path is empty, null should be returned. If path is null, the "root" elements should be returned

  Overrides:

  getLeafs in class BreadcrumbBarCallBack<Object>

  Parameters:

  path - Breadcrumb bar path.

  Returns:

  The choice element that corresponds to the specified path

• getLeafContent

  public InputStream getLeafContent​(Object leaf)

  Description copied from class: BreadcrumbBarCallBack
  Returns the input stream with the leaf content. Some implementations may return null if this is not applicable.

  Overrides:

  getLeafContent in class BreadcrumbBarCallBack<Object>

  Parameters:

  leaf - Leaf.

  Returns:

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