Java Node.removeNodeListener方法代碼示例

import org.openide.nodes.Node; //導入方法依賴的package包/類
public Node detach() {
    Node n = currNode;

    if (n != null) {
        if (PropUtils.isLoggable(PropertySheet.class)) {
            PropUtils.log(PropertySheet.class, "Detaching listeners from " + n);
        }

        n.removePropertyChangeListener(inner);
        n.removeNodeListener(this);

        //clear the reference
        currNode = null;
    }

    return n;
}
 

import org.openide.nodes.Node; //導入方法依賴的package包/類
/** Fired when the node is deleted.
 * @param ev event describing the node
 */
@Override
public void nodeDestroyed(NodeEvent ev) {
    Node destroyedNode = ev.getNode();
    // stop to listen to destroyed node
    destroyedNode.removeNodeListener(this);
    listenerSet.remove(destroyedNode);
    // close top component (our outer class) if last node was destroyed
    if (listenerSet.isEmpty()) {
        // #68943 - stop to listen, as we are waving goodbye :-)
        tc.removePropertyChangeListener(this);
        Mutex.EVENT.readAccess(new Runnable() {
            @Override
            public void run() {
                if (dialog != null) {
                    dialog.setVisible(false);
                    dialog.dispose();
                    dialog = null;
                }
            }
        });
    }
}
 

import org.openide.nodes.Node; //導入方法依賴的package包/類
/** Removes itself as a listener from given nodes */
void detachListeners(List<Reference<Node>> nodes) {
    if (nodes == null) {
        return;
    }
    Iterator<Reference<Node>> it = nodes.iterator();

    while (it.hasNext()) {
        Node node = it.next().get();

        if (node != null) {
            node.removeNodeListener(listener);
        }
    }
}
 

import org.openide.nodes.Node; //導入方法依賴的package包/類
/** Sets new root context to view. Name, icon, tooltip
* of this top component will be updated properly */
public void setRootContext (Node rc) {
    Node oldRC = getExplorerManager().getRootContext();
    // remove old listener, if possible
    if (weakRcL != null) {
        oldRC.removePropertyChangeListener(weakRcL);
    }
    if (weakNRcL != null) {
        oldRC.removeNodeListener(weakNRcL);
    }
    getExplorerManager().setRootContext(rc);
}
 

import org.openide.nodes.Node; //導入方法依賴的package包/類
/** Sets new root context to view. Name,  tooltip
* of this top component will be updated properly */
public void setRootContext (Node rc) {
    Node oldRC = getExplorerManager().getRootContext();
    // remove old listener, if possible
    if (weakRcL != null) {
        oldRC.removePropertyChangeListener(weakRcL);
    }
    if (weakNRcL != null) {
        oldRC.removeNodeListener(weakNRcL);
    }
    getExplorerManager().setRootContext(rc);
    initializeWithRootContext(rc);
}
 

import org.openide.nodes.Node; //導入方法依賴的package包/類
private void removeChildAdditionListener(Node removedNode) {
    for (Node n : removedNode.getChildren().getNodes(true)) {
        removeChildAdditionListener(n);
    }
    removedNode.removeNodeListener(resultsNodeAdditionListener);
}
 

import org.openide.nodes.Node; //導入方法依賴的package包/類
public void testLastModifiedOrderUpdatedAfterFileIsTouched() throws Exception {
    aa.setSortMode(DataFolder.SortMode.LAST_MODIFIED);

    Node n = aa.getNodeDelegate().cloneNode();
    Node[] nodes = n.getChildren().getNodes(true);
    assertEquals ("Two nodes", 2, nodes.length);

    waitEvents();
    assertEquals("Sort mode not changed and children not refreshed: " + events, 2, events.size());
    assertTrue(DataFolder.PROP_SORT_MODE + " change not fired", events.contains(DataFolder.PROP_SORT_MODE));
    assertTrue(DataFolder.PROP_CHILDREN + " change not fired", events.contains(DataFolder.PROP_CHILDREN));
    assertEquals("Y.txt", nodes[0].getName()); // Y is newer
    assertEquals("X.txt", nodes[1].getName()); // X is older
    events.clear();

    final FileObject orig = lfs.findResource("AA/Y.txt");
    final FileObject touch = lfs.findResource("AA/X.txt");

    // After touching, X.txt will be newer than Y.txt.
    TestFileUtils.touch(FileUtil.toFile(touch), FileUtil.toFile(orig));
    // It's not enough to wait only for DataFolder event
    // because of number of RP tasks run before node children are updated
    // must wait for reorder fired by node itself.
    final CountDownLatch barrier = new CountDownLatch(1);
    NodeListener nodeList = new NodeAdapter() {

        @Override
        public void childrenReordered (NodeReorderEvent ev) {
            barrier.countDown();
        }
      
    };
    n.addNodeListener(nodeList);
    try {
        touch.refresh();
        waitEvents();
        // wait for node reorder event
        barrier.await(10, TimeUnit.SECONDS);
    } finally {
        n.removeNodeListener(nodeList);
    }
    assertEquals(0, barrier.getCount());
    assertTrue(DataFolder.PROP_CHILDREN + " change not fired", events.contains(DataFolder.PROP_CHILDREN));

    Node[] newNodes = n.getChildren().getNodes(true);
    assertEquals("Node " + nodes[1].getName() + " expected first.", newNodes[0], nodes[1]);
    assertEquals("Node " + nodes[0].getName() + " expected second.", newNodes[1], nodes[0]);
}