org.olat.catalog.ui
Class CatalogAjaxTreeModel

java.lang.Object
  org.olat.core.gui.control.generic.ajax.tree.AjaxTreeModel
      org.olat.catalog.ui.CatalogAjaxTreeModel

public class CatalogAjaxTreeModel
extends AjaxTreeModel

Description:
This class represents the catalog data model that can be used with the ajax tree controller. It supports dynamic loading of catalog elements and can be configured to display only the categories or the categories and the children.

The datamodel can also support drag&drop. In this mode, the categories act as drop zones for categories and leafs.

Initial Date: 30.05.2008

Author:

gnaegi

Constructor Summary

CatalogAjaxTreeModel(CatalogEntry rootEntry, CatalogEntry toBeMovedEntry, java.util.List<CatalogEntry> ownedEntries, boolean showLeafs, boolean allowDragNdrop)
Constructor for a ajax tree catalog data model

Method Summary

java.util.List<AjaxTreeNode>

getChildrenFor(java.lang.String nodeId) Returns the list of children for this node.

Methods inherited from class org.olat.core.gui.control.generic.ajax.tree.AjaxTreeModel

getCustomRootIconCssClass, getTreeModelIdentifyer, setCustomRootIconCssClass

Methods inherited from class java.lang.Object

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

Constructor Detail

CatalogAjaxTreeModel

public CatalogAjaxTreeModel(CatalogEntry rootEntry,
                            CatalogEntry toBeMovedEntry,
                            java.util.List<CatalogEntry> ownedEntries,
                            boolean showLeafs,
                            boolean allowDragNdrop)

Constructor for a ajax tree catalog data model

Parameters:

rootEntry - The catalog root entry

toBeMovedEntry - The entry what should be moved or NULL if no such entry. If not null this entry will not be displayed in the tree

ownedEntries - List of entries (categories) that are owned by the current user. In category move operations the target category will be checked against this list. Can be NULL

showLeafs - true: show also leafs in the tree; false: show only categories

allowDragNdrop - true: enable drag&dop of categories and leafs; false: don't use drag&drop

Method Detail

getChildrenFor

public java.util.List<AjaxTreeNode> getChildrenFor(java.lang.String nodeId)

Description copied from class: AjaxTreeModel

Returns the list of children for this node.

Specified by:

getChildrenFor in class AjaxTreeModel

Parameters:

nodeId - The ID of the given node.

Returns:

See Also:

org.olat.core.gui.control.generic.ajax.tree.TreeDataModel#getChildrenFor(java.lang.String)