Java TreeModelListener.treeNodesChanged方法代碼示例

import javax.swing.event.TreeModelListener; //導入方法依賴的package包/類
/**
 * Generate events specific to the user actions and trigger the internal
 * management of the tree.
 *
 * @param parent the parent node of the changed nodes (rename, add, remove)
 * @param indices the indexes of the changed nodes
 * @param nodes the affected nodes; the nodes which are changed
 * @param action the action related to the node: rename, add, remove
 */
public void fireTreeStructureChanged(CustomTreeNode parent, int[] indices, Object[] nodes, TreeActions action) {
    TreeModelEvent eventInsRem = new TreeModelEvent(this, parent.getPath(), indices, nodes);
    TreeModelEvent eventStructChange = new TreeModelEvent(this, new Object[]{parent});

    for (TreeModelListener lis : treeModelListeners) {
        switch (action) {
            case NODE_RENAMED:
                lis.treeNodesChanged(eventInsRem);
                break;

            case NODE_INSERTED:
                lis.treeNodesInserted(eventInsRem);
                break;

            case NODE_REMOVED:
                lis.treeNodesRemoved(eventInsRem);
                break;

            case TREE_STRUCTURE_CHANGED:
                lis.treeStructureChanged(eventStructChange);
                break;

        }
    }
}
 

import javax.swing.event.TreeModelListener; //導入方法依賴的package包/類
public void valueForPathChanged(final TreePath path, final Object value) {
    if (path.getLastPathComponent() instanceof Product) {
        final Product product = (Product) path.getLastPathComponent();
        
        switch (product.getStatus()) {
        case NOT_INSTALLED:
            product.setStatus(Status.TO_BE_INSTALLED);
            updateRequirements(product);
            break;
        case TO_BE_INSTALLED:
            product.setStatus(Status.NOT_INSTALLED);
            break;
        case INSTALLED:
            product.setStatus(Status.TO_BE_UNINSTALLED);
            break;
        case TO_BE_UNINSTALLED:
            product.setStatus(Status.INSTALLED);
            break;
        }
    }
    
    final TreeModelListener[] clone;
    synchronized (listeners) {
        clone = listeners.toArray(new TreeModelListener[0]);
    }
    
    final TreeModelEvent event = new TreeModelEvent(this, path);
    for (TreeModelListener listener: clone) {
        listener.treeNodesChanged(event);
    }
}
 

import javax.swing.event.TreeModelListener; //導入方法依賴的package包/類
void fireDisplayChange(LookTreeNode source) {
    if (listeners.isEmpty()) {
        return;
    }
    LookTreeNode parent = source.getParent();
    TreePath path = findPath(parent != null ? parent : source);
    int[] childIndices = parent != null ? new int[] {getIndexOfChild(parent, source)} : null;
    Object[] children = parent != null ? new Object[] {source} : null;
    TreeModelEvent ev = new TreeModelEvent(this, path, childIndices, children);
    for (TreeModelListener l : listeners) {
        l.treeNodesChanged(ev);
    }
}
 

import javax.swing.event.TreeModelListener; //導入方法依賴的package包/類
private void fireTreeNodesChanged(Operator operator) {
	TreeModelEvent e = makeChangeEvent(operator);
	if (e.getChildIndices() != null && e.getChildIndices()[0] != -1) { // otherwise the
		// operator is in
		// the state of
		// being removed and
		// has
		// triggered an
		// update while
		// dying.
		for (TreeModelListener l : listenerList.getListeners(TreeModelListener.class)) {
			l.treeNodesChanged(e);
		}
	}
}
 

import javax.swing.event.TreeModelListener; //導入方法依賴的package包/類
/**
 * Notifies all listeners that have registered interest for notification on
 * this event type. The event instance is lazily created using the
 * parameters passed into the fire method.
 * 
 * @param source the node being changed
 * @param path the path to the root node
 * @param childIndices the indices of the changed elements
 * @param children the changed elements
 * @see EventListenerList
 */
private void fireTreeNodesChanged(TreePath path, int[] childIndices, Object[] children)
{
	TreeModelListener[] listeners = listenerList.getListeners(TreeModelListener.class);
	if( listeners != null && listeners.length > 0 )
	{
		TreeModelEvent e = new TreeModelEvent(this, path, childIndices, children);
		for( TreeModelListener listener : listeners )
		{
			listener.treeNodesChanged(e);
		}
	}
}
 

import javax.swing.event.TreeModelListener; //導入方法依賴的package包/類
private void fireNodesChanged(List<TreeModelEvent> events) {
	for (TreeModelEvent e : events) {
		for (TreeModelListener l : listeners) {
			l.treeNodesChanged(e);
		}
	}
}
 

import javax.swing.event.TreeModelListener; //導入方法依賴的package包/類
protected void fireNodeChanged(Object node) {
	TreeModelEvent e = new TreeModelEvent(this, findPath(node));
	for (TreeModelListener l : listeners) {
		l.treeNodesChanged(e);
	}
}