org.eclipse.viatra.integration.zest.viewer

Interface INestedGraphContentProvider

All Superinterfaces:

org.eclipse.jface.viewers.IContentProvider

All Known Subinterfaces:

IGraphEdgeContentProvider, IGraphEntityRelationshipContentProvider

All Known Implementing Classes:

ZestContentProvider

public interface INestedGraphContentProvider
extends org.eclipse.jface.viewers.IContentProvider

Method Summary

Modifier and Type	Method and Description
java.lang.Object[]	getNestedGraphNodes(java.lang.Object node) Returns the content elements representing the nodes within the graph that is nested inside the node represented by the given content element.
java.lang.Object[]	getNodes() Returns all content elements which represent nodes on the first level of the graph.
boolean	hasNestedGraph(java.lang.Object node) Determines whether the node represented by the given content element has nested children.

Methods inherited from interface org.eclipse.jface.viewers.IContentProvider

dispose, inputChanged

Method Detail

getNodes

java.lang.Object[] getNodes()

Returns all content elements which represent nodes on the first level of the graph. If no nodes exist, either an empty array or null is returned.

Returns:

All content elements which represent nodes on the first level of the graph.

getNestedGraphNodes

java.lang.Object[] getNestedGraphNodes(java.lang.Object node)

Returns the content elements representing the nodes within the graph that is nested inside the node represented by the given content element. If the node does not contain a nested graph, either an empty array or null is returned.

Parameters:

node - A content element that represents a node.

Returns:

The content elements representing the nodes within the graph that is nested inside the node represented by the given content element.

hasNestedGraph

boolean hasNestedGraph(java.lang.Object node)

Determines whether the node represented by the given content element has nested children.

Parameters:

node - A content element that represents a node, according to the getNodes() method.

Returns:

true when the node represented by the given content element has nested children, otherwise false.