diff options
Diffstat (limited to 'odk/examples/java/Inspector/HideableMutableTreeNode.java')
-rw-r--r-- | odk/examples/java/Inspector/HideableMutableTreeNode.java | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/odk/examples/java/Inspector/HideableMutableTreeNode.java b/odk/examples/java/Inspector/HideableMutableTreeNode.java new file mode 100644 index 000000000000..c7f10ee69c41 --- /dev/null +++ b/odk/examples/java/Inspector/HideableMutableTreeNode.java @@ -0,0 +1,88 @@ +// *** HideableMutableTreeNode *** +import javax.swing.*; +import javax.swing.tree.*; + +/** + * <code>HideableMutableTreeNode</code> is a <code>DefaultMutableTreeNode</code> + * implementation that works with <code>HideableTreeModel</code>. + */ +public class HideableMutableTreeNode extends DefaultMutableTreeNode { + /** + * The node is visible flag. + */ + public boolean bIsvisible = true; + private static final String SDUMMY = "Dummy"; + + + /** + * Creates a tree node that has no parent and no children, but which + * allows children. + */ + public HideableMutableTreeNode() { + super(); + } + + /** + * Creates a tree node with no parent, no children, but which allows + * children, and initializes it with the specified user object. + * + * @param userObject - an Object provided by the user that + * constitutes the node's data + */ + public HideableMutableTreeNode(Object _userObject) { + super(_userObject); + } + + /** + * Creates a tree node with no parent, no children, initialized with the + * specified user object, and that allows children only if specified. + * + * @param _userObject - an Object provided by the user that describes the node's data + * @param _ballowsChildren - if true, the node is allowed to have childnodes -- otherwise, it is always a leaf node + */ + public HideableMutableTreeNode(Object _userObject, boolean _ballowsChildren) { + super(_userObject, _ballowsChildren); + } + + /** + * Checks if the node is visible. + * + * @return true if the node is visible, else false + */ + public boolean isVisible() { + return this.bIsvisible; + } + + /** + * Sets if the node is visible. + * + * @param returns true if the node is visible, else false + */ + public void setVisible(boolean _bIsVisible) { + this.bIsvisible = _bIsVisible; + } + + + public void addDummyNode(){ + removeDummyNode(); + DefaultMutableTreeNode oDefaultMutableTreeNode = new DefaultMutableTreeNode(SDUMMY); + add(oDefaultMutableTreeNode); + + } + + + public boolean removeDummyNode(){ + boolean breturn = false; + if (getChildCount() == 1){ + DefaultMutableTreeNode oDefaultMutableTreeNode = (DefaultMutableTreeNode) getChildAt(0); + if (oDefaultMutableTreeNode != null){ + if (oDefaultMutableTreeNode.getUserObject().equals(SDUMMY)){ + remove(0); + breturn = true; + } + } + } + return breturn; + } + +}
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