The Tree Model Example

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The Tree Model example displays the contents of a Swing JTree object as a graph. The nodes of the graph are the items in the tree (also called tree nodes), and the links of the graph represent the parent-child relationships between the items., see Figure 2.4.

This example uses the base class IlvAbstractSDMModel and implements nodes and links using the IlvSDMNode and IlvSDMLink interfaces, for the following reasons:

• The nodes to be represented (the tree nodes) are existing Java objects, but they are not JavaBeans.
• The links do not exist as Java objects; you need to create them.

The example is supplied with ILOG JViews Diagrammer in the directory <installdir>/jviews-diagrammer81/codefragments/datamodel/treemodel.