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Oracle Fusion Middleware Java API Reference for Oracle Extension SDK Reference 11g Release 1 (11.1.1.7.0) E13403-08 |
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java.lang.Object oracle.ide.controls.elementtree.Handler
public class Handler
A Handler is responsible for restoring the expansion state of a tree that has been refreshed.
Handlers are registered through the ElementTreeRootNode
's ElementRegistry
.
Example:
elementTreeRootNode.getElementRegistry().register(MyNode.class, new MyNodeHandler);
Constructor Summary | |
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Handler()
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Method Summary | |
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boolean |
isExpanded(java.util.HashMap expansionStore,
Element[] hierarchy)
Producers are queried to restore the expansion state of a tree after a transformation. |
void |
storeExpansionState(java.util.HashMap expansionStore,
Element[] hierarchy)
Gives the handler the oportunity to store the expansion state. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Handler()
Method Detail |
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public void storeExpansionState(java.util.HashMap expansionStore, Element[] hierarchy)
expansionStore
- can be used to store any value you want to retrieve in isExpanded(java.util.HashMap, oracle.ide.model.Element[])
hierarchy
- The complete hierarchy of this Element
in the tree. hierarchy[0]
is the root of the tree.isExpanded(java.util.HashMap, oracle.ide.model.Element[])
public boolean isExpanded(java.util.HashMap expansionStore, Element[] hierarchy)
expansionStore
- is the same HashMap that was passed to storeExpansionState(HashMap, Element[])
.hierarchy
- The complete hierarchy of this Element
in the tree. hierarchy[0]
is the root of the tree.
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Oracle Fusion Middleware Java API Reference for Oracle Extension SDK Reference 11g Release 1 (11.1.1.7.0) E13403-08 |
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