46 lines
1.4 KiB
Java
46 lines
1.4 KiB
Java
import drafts.com.sun.star.accessibility.XAccessible;
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import drafts.com.sun.star.accessibility.AccessibleEventObject;
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import com.sun.star.uno.UnoRuntime;
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import java.io.PrintStream;
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class ChildEventHandler
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extends EventHandler
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{
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public ChildEventHandler (AccessibleEventObject aEvent, AccessibilityTreeModel aTreeModel)
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{
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super (aEvent, aTreeModel);
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mxOldChild = (XAccessible)UnoRuntime.queryInterface(
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XAccessible.class, aEvent.OldValue);
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mxNewChild = (XAccessible)UnoRuntime.queryInterface(
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XAccessible.class, aEvent.NewValue);
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}
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public void PrintOldAndNew (PrintStream out)
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{
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if (mxOldChild != null)
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out.println (" removing child " + mxOldChild);
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if (mxNewChild != null)
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out.println (" adding child " + mxNewChild);
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}
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public void Process ()
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{
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// Insertion and removal of children should be mutually exclusive.
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// But this is a test tool and should take everything into account.
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if (mxOldChild != null)
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{
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maTreeModel.removeNode (mxOldChild.getAccessibleContext());
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maTreeModel.updateNode (mxEventSource, AccessibleTreeHandler.class);
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}
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if (mxNewChild != null)
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{
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maTreeModel.addChild (mxEventSource, mxNewChild);
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}
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}
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private XAccessible mxOldChild;
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private XAccessible mxNewChild;
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}
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