101 lines
2 KiB
Java
101 lines
2 KiB
Java
import java.util.Vector;
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import com.sun.star.lang.IndexOutOfBoundsException;
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/**
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Base class for all tree nodes.
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*/
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class AccessibleTreeNode
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{
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/// The parent node. It is null for the root node.
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protected AccessibleTreeNode maParent;
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/// The object to be displayed.
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private Object maDisplayObject;
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public AccessibleTreeNode (Object aDisplayObject, AccessibleTreeNode aParent)
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{
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maDisplayObject = aDisplayObject;
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maParent = aParent;
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}
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public void update ()
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{
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// Empty
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}
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public AccessibleTreeNode getParent ()
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{
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return maParent;
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}
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public Object getDisplayObject ()
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{
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return maDisplayObject;
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}
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public int getChildCount ()
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{
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return 0;
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}
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public AccessibleTreeNode getChild (int nIndex)
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throws IndexOutOfBoundsException
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{
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throw new IndexOutOfBoundsException();
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}
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public AccessibleTreeNode getChildNoCreate (int nIndex)
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throws IndexOutOfBoundsException
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{
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throw new IndexOutOfBoundsException();
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}
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public boolean removeChild (int nIndex)
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throws IndexOutOfBoundsException
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{
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throw new IndexOutOfBoundsException();
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}
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public int indexOf (AccessibleTreeNode aNode)
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{
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return -1;
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}
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/** Create a path to this node by first asking the parent for its path
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and then appending this object.
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*/
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public void createPath (java.util.Vector aPath)
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{
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if (maParent != null)
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maParent.createPath (aPath);
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aPath.add (this);
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}
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public Object[] createPath ()
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{
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Vector aPath = new Vector (1);
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createPath (aPath);
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return aPath.toArray();
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}
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public boolean isLeaf()
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{
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return true;
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}
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public String toString()
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{
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return maDisplayObject.toString();
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}
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/** get names of suported actions */
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public String[] getActions ()
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{
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return new String[] {};
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}
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/** perform action */
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public void performAction (int nIndex)
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{
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}
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}
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