Java Children.getNodesCount方法代碼示例

import org.openide.nodes.Children; //導入方法依賴的package包/類
private void expandOnlyChilds(Node parent) {
    setExpansionListenerEnabled(false);
    try {
        Node node = parent;
        while (node != null) {
            Children children = node.getChildren();
            if (children.getNodesCount(true) == 1) {
                node = children.getNodeAt(0);
                outlineView.expandNode(node);
            } else {
                node = null;
            }
        }
    } finally {
        setExpansionListenerEnabled(true);
    }
}
 

import org.openide.nodes.Children; //導入方法依賴的package包/類
void requestFocusTreeOrTable() {
    if (treeViewShowing) {
        treeView.requestFocusInWindow();
    } else if (tableView != null) {
        tableView.getTable().requestFocusInWindow();
    }
    Node selectedNode = getTreeSelectedNode();
    if (selectedNode == null) {
        Children rootChildren = explorerManager.getRootContext().getChildren();
        if (rootChildren.getNodesCount() > 0) {
            try {
                explorerManager.setSelectedNodes(new Node[] { rootChildren.getNodeAt(0) });
            } catch (PropertyVetoException ex) {
                // Ignored
            }
        }
    }
}
 

import org.openide.nodes.Children; //導入方法依賴的package包/類
/**
 * Creates an inner panel for this and populates
 * it with the children of this node (if there are any).
 */
public SectionNodeInnerPanel createInnerPanel() {
    Children children = getChildren();
    if (children.getNodesCount() == 0) {
        return createNodeInnerPanel();
    } else {
        BoxPanel boxPanel = new BoxPanel(sectionNodeView);
        populateBoxPanel(boxPanel);
        return boxPanel;
    }
}
 

import org.openide.nodes.Children; //導入方法依賴的package包/類
public void testNodesHaveDataObjectInLookup() throws Exception {
    FileObject fa = FileUtil.createData(FileUtil.getConfigRoot(), "FK/A");
    FileObject fb = FileUtil.createData(FileUtil.getConfigRoot(), "FK/B");

    FileObject bb = FileUtil.getConfigFile("/FK");

    DataFolder folder = DataFolder.findFolder(bb);
    final CountDownLatch latch = new CountDownLatch(1);
    FormKitDataLoader.waiter = latch;
    // wake up in 3s
    RequestProcessor.getDefault().post(new Runnable() {
        @Override
        public void run() {
            latch.countDown();
        }
    }, 3000);
    
    Pool.setLoader(FormKitDataLoader.class);
    final Children ch = folder.getNodeDelegate().getChildren();
    int cnt = ch.getNodesCount(true);
    assertEquals("Two children", 2, cnt);

    FileObject af = ch.getNodeAt(0).getLookup().lookup(FileObject.class);
    assertEquals("The right file a", fa, af);
    FileObject bf = ch.getNodeAt(1).getLookup().lookup(FileObject.class);
    assertEquals("The right file b", fb, bf);

    FormKitDataLoader.assertMode = false;
    DataObject a = ch.getNodeAt(0).getLookup().lookup(DataObject.class);
    DataObject b = ch.getNodeAt(1).getLookup().lookup(DataObject.class);

    assertSame("Node is there #0", ch.getNodeAt(0), ch.getNodeAt(0).getLookup().lookup(Node.class));
    assertSame("Node is there #1", ch.getNodeAt(1), ch.getNodeAt(1).getLookup().lookup(Node.class));
    
    latch.countDown();
    
    assertNotNull("Obj A found", a);
    assertNotNull("Obj B found", b);
    
    assertEquals("Right primary File A", fa, a.getPrimaryFile());
    assertEquals("Right primary File B", fb, b.getPrimaryFile());
}