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

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


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

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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);
            }
        }
    }

View Full Code Here

    protected void fireTreeStructureWillChange(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]==TreeModelWillChangeListener.class) {
                // Lazily create the event:
                if (e == null)
                    e = new TreeModelEvent(source, path,
                                           childIndices, children);
                ((TreeModelWillChangeListener)listeners[i+1]).treeStructureWillChange(e);
            }
        }
    }

View Full Code Here

     * @see EventListenerList
     */
    protected void fireTreeNodesChanged(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(this, path, childIndices, children);
                }
                ((TreeModelListener) listeners[i + 1]).treeNodesChanged(e);
            }
        }
    }

View Full Code Here

     * @see EventListenerList
     */
    protected void fireTreeNodesInserted(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(this, path, childIndices, children);
                }
                ((TreeModelListener) listeners[i + 1]).treeNodesInserted(e);
            }
        }
    }

View Full Code Here

     * @see EventListenerList
     */
    protected void fireTreeNodesRemoved(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(this, path, childIndices, children);
                }
                ((TreeModelListener) listeners[i + 1]).treeNodesRemoved(e);
            }
        }
    }

View Full Code Here

     * @see EventListenerList
     */
    protected void fireTreeStructureChanged(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(this, path, childIndices, children);
                }
                ((TreeModelListener) listeners[i + 1]).treeStructureChanged(e);
            }
        }
    }

View Full Code Here

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