| Graphic Components > Tree Component > Configuring the Tree Component > Configuring the Tree Component through the API |
Configuring the Tree Component through the API |
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This section shows you how to configure a tree component by coding. Architecture of the Tree Component later in this section goes into the details of the classes involved in the architecture of the tree component.
The following example shows how to configure the tree view (ilog.cpl.tree.IlpTreeView) through the API. See Tree Component Services for programming details on the individual services.
IlpTreeView view = tree.getView(); // Setting the selection mode view.setSelectionLookAndFeel(IlpTreeView.HIGHLIGHT_SELECTION_LOOK_AND_FEEL); // Setting the tree cell renderer view.setCellRenderer(new MyTreeCellRenderer()); // Setting the background color view.setBackground(Color.white);
The following example shows how to configure the tree view interactor through the API. For details, see Interacting with the Tree View.
IlpTree tree = // ... // Retrieve the view interactor IlpViewInteractor viewInteractor = tree.getViewInteractor(); // Create an action Action myAction = new MyAction(); // Clicking the 3rd mouse button will trigger myAction viewInteractor.setGestureAction(IlpGesture.BUTTON3_CLICKED,myAction);
The following example shows how to configure the tree adapter (ilog.cpl.tree.IlpAbstractTreeAdapter) through the API. See Tree Component Services for programming details on the individual services.
IlpAbstractTreeAdapter adapter = tree.getAdapter(); // Setting the filter IlpFilter myFilter = new MyFilter(); // (it is the same as tree.setFilter(myFilter) adapter.setFilter(myFilter); // Origin List myOrigins = new ArrayList(); myOrigins.add(objectID_1); myOrigins.add(objectID_2); . . . myOrigins.add(objectID_n); // in this case we want to display the // origins boolean showOrigin = true; adapter.setOrigins(myOrigins, showOrigin); // Expansion Strategy Factory // Usually the expansion strategy factory relies // on the adapter to access the data source and to // load/release objects IlpExpansionStrategyFactory myExpFactory = new MyExpansionStrategyFactory(adapter); adapter.setExpansionStrategyFactory(myExpFactory); // Tree Node Factory IlpTreeNodeFactory myNodeFactory = new MyTreeNodeFactory(); adapter.setNodeFactory(myNodeFactory);
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