Examples of javax.swing.event.TreeModelEvent

javax.swing.event.TreeModelEvent
oracle.com/javase/tutorial/uiswing/events/treemodellistener.html">How to Write a Tree Model Listener, a section in The Java Tutorial.
Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the java.beans package. Please see {@link java.beans.XMLEncoder}. @author Rob Davis @author Ray Ryan @author Scott Violet

     */
    public void fireChildrenRemoved(TreePath parentPath, int[] indices,
            Object[] children) {
        Object[] pairs = listeners.getListenerList();


        TreeModelEvent e = null;


        for (int i = pairs.length - 2; i >= 0; i -= 2) {
            if (pairs[i] == TreeModelListener.class) {
                if (e == null)
                    e = createTreeModelEvent(parentPath, indices, children);

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     * @see javax.swing.event.TreeModelEvent
     * @see javax.swing.event.TreeModelListener
     */
    private TreeModelEvent createTreeModelEvent(TreePath parentPath,
            int[] indices, Object[] children) {
        return new TreeModelEvent(treeModel, parentPath, indices, children);
    }

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    protected void fireTreeNodesChanged(Object source, Object[] path,
                                        int[] childIndices,
                                        Object[] children) {
        // Guaranteed to return a non-null array
        Object[] listeners = listenerList.getListenerList();
        TreeModelEvent e = null;
        // Process the listeners last to first, notifying
        // those that are interested in this event
        for (int i = listeners.length - 2; i >= 0; i -= 2) {
            if (listeners[i] == TreeModelListener.class) {
                // Lazily create the event:
                if (e == null)
                    e = new TreeModelEvent(source, path,
                            childIndices, children);
                ((TreeModelListener) listeners[i + 1]).treeNodesChanged(e);
            }
        }
    }

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    protected void fireTreeNodesInserted(Object source, Object[] path,
                                         int[] childIndices,
                                         Object[] children) {
        // Guaranteed to return a non-null array
        Object[] listeners = listenerList.getListenerList();
        TreeModelEvent e = null;
        // Process the listeners last to first, notifying
        // those that are interested in this event
        for (int i = listeners.length - 2; i >= 0; i -= 2) {
            if (listeners[i] == TreeModelListener.class) {
                // Lazily create the event:
                if (e == null)
                    e = new TreeModelEvent(source, path,
                            childIndices, children);
                ((TreeModelListener) listeners[i + 1]).treeNodesInserted(e);
            }
        }
    }

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    protected void fireTreeNodesRemoved(Object source, Object[] path,
                                        int[] childIndices,
                                        Object[] children) {
        // Guaranteed to return a non-null array
        Object[] listeners = listenerList.getListenerList();
        TreeModelEvent e = null;
        // Process the listeners last to first, notifying
        // those that are interested in this event
        for (int i = listeners.length - 2; i >= 0; i -= 2) {
            if (listeners[i] == TreeModelListener.class) {
                // Lazily create the event:
                if (e == null)
                    e = new TreeModelEvent(source, path,
                            childIndices, children);
                ((TreeModelListener) listeners[i + 1]).treeNodesRemoved(e);
            }
        }
    }

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    protected void fireTreeStructureChanged(Object source, Object[] path,
                                            int[] childIndices,
                                            Object[] children) {
        // Guaranteed to return a non-null array
        Object[] listeners = listenerList.getListenerList();
        TreeModelEvent e = null;
        // Process the listeners last to first, notifying
        // those that are interested in this event
        for (int i = listeners.length - 2; i >= 0; i -= 2) {
            if (listeners[i] == TreeModelListener.class) {
                // Lazily create the event:
                if (e == null)
                    e = new TreeModelEvent(source, path,
                            childIndices, children);
                ((TreeModelListener) listeners[i + 1]).treeStructureChanged(e);
            }
        }
    }

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        TreeModelListener[] listeners = getTreeModelListeners();
        if (Utilities.isEmptyArray(listeners)) {
            return;
        }


        TreeModelEvent event = new TreeModelEvent(source, path, childIndices, children);
        for (int i = 0; i < listeners.length; i++) {
            listeners[i].treeNodesChanged(event);
        }
    }

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        TreeModelListener[] listeners = getTreeModelListeners();
        if (Utilities.isEmptyArray(listeners)) {
            return;
        }


        TreeModelEvent event = new TreeModelEvent(source, path, childIndices, children);
        for (int i = 0; i < listeners.length; i++) {
            listeners[i].treeNodesInserted(event);
        }
    }

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        TreeModelListener[] listeners = getTreeModelListeners();
        if (Utilities.isEmptyArray(listeners)) {
            return;
        }


        TreeModelEvent event = new TreeModelEvent(source, path, childIndices, children);
        for (int i = 0; i < listeners.length; i++) {
            listeners[i].treeNodesRemoved(event);
        }
    }

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        TreeModelListener[] listeners = getTreeModelListeners();
        if (Utilities.isEmptyArray(listeners)) {
            return;
        }


        TreeModelEvent event = new TreeModelEvent(source, path, childIndices, children);
        for (int i = 0; i < listeners.length; i++) {
            listeners[i].treeStructureChanged(event);
        }
    }

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