Java DefaultTreeModel.insertNodeInto方法代码示例

import javax.swing.tree.DefaultTreeModel; //导入方法依赖的package包/类
private void refresh(DefaultTreeModel m,
                     ServerStatus.ModuleSummary[] modules) {
  final MutableTreeNode root = (MutableTreeNode) m.getRoot();
  totalPlayers = 0;

  while (root.getChildCount() > 0) {
    m.removeNodeFromParent((MutableTreeNode) root.getChildAt(0));
  }

  if (modules.length == 0) {
    final DefaultMutableTreeNode n = new DefaultMutableTreeNode(
      Resources.getString("Chat.no_connections")); //$NON-NLS-1$
    n.setAllowsChildren(false);
  }
  else {
    for (ServerStatus.ModuleSummary s : modules) {
      m.insertNodeInto(createNode(s), root, root.getChildCount());
    }
  }

  // append total number of players on server to root node
  root.setUserObject(
    Resources.getString(Resources.VASSAL) + " (" + totalPlayers + ")");
}
 

import javax.swing.tree.DefaultTreeModel; //导入方法依赖的package包/类
/**
 * Sort nodes descending.
 *
 * @param node the node
 * @param treeModel the tree model
 */
private void sortNodesDescending(DefaultMutableTreeNode node, DefaultTreeModel treeModel) {
	boolean unsorted = true;

	while (unsorted) {
		unsorted = false;
		for (int i = 0; i < node.getChildCount() - 1; i++) {
			ThreadInfoStorageAgent tiaFirst = (ThreadInfoStorageAgent) ((DefaultMutableTreeNode) node.getChildAt(i)).getUserObject();
			ThreadInfoStorageAgent tiaSecond = (ThreadInfoStorageAgent) ((DefaultMutableTreeNode) node.getChildAt(i+1)).getUserObject();
			
			if (tiaFirst.getXYSeriesMap().get("TOTAL_CPU_SYSTEM_TIME").getMaxY() < tiaSecond.getXYSeriesMap().get("TOTAL_CPU_SYSTEM_TIME").getMaxY()) {
				treeModel.insertNodeInto((MutableTreeNode) node.getChildAt(i+1), node, i);
				unsorted = true;
			}
		}
	}
}
 

import javax.swing.tree.DefaultTreeModel; //导入方法依赖的package包/类
@Override
public boolean importData(TransferHandler.TransferSupport transferSupport) {
    if (!canImport(transferSupport)) {
        return false;
    }
    try {
        DefaultMutableTreeNode[] nodes = (DefaultMutableTreeNode[]) transferSupport.getTransferable().getTransferData(myDataFlavor);
        JTree.DropLocation dropLocation = (JTree.DropLocation) transferSupport.getDropLocation();
        int index = dropLocation.getChildIndex();
        DefaultMutableTreeNode parent = (DefaultMutableTreeNode) dropLocation.getPath().getLastPathComponent();
        DefaultTreeModel model = (DefaultTreeModel) ((JTree) transferSupport.getComponent()).getModel();
        for (int i = 0; i < nodes.length; i++) {
            DefaultMutableTreeNode child = (DefaultMutableTreeNode) nodes[i].getUserObject();
            model.insertNodeInto(child, parent, index);
            insertNodeInto(parent, index, child);
        }
        onTransferDone();
    } catch (UnsupportedFlavorException e1) {
        log("[WARN] UnsupportedFlavor: " + e1.getMessage());
    } catch (java.io.IOException e2) {
        log("[WARN] I/O error: " + e2.getMessage());
    }
    return true;
}
 

import javax.swing.tree.DefaultTreeModel; //导入方法依赖的package包/类
@Override
public void run() {
    Thread.currentThread().setUncaughtExceptionHandler(this);

    DefaultMutableTreeNode root = new DefaultMutableTreeNode();
    DefaultMutableTreeNode child = new DefaultMutableTreeNode("Child");
    DefaultTreeModel model = new DefaultTreeModel(root);

    this.tree = new JTree();
    this.tree.setModel(model);

    JFrame frame = new JFrame(getClass().getSimpleName());
    frame.add(this.tree);

    model.addTreeModelListener(this); // frame is not visible yet
    model.insertNodeInto(child, root, root.getChildCount());
    model.removeNodeFromParent(child);

    frame.setSize(640, 480);
    frame.setLocationRelativeTo(null);
    frame.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
    frame.setVisible(true);
}
 

import javax.swing.tree.DefaultTreeModel; //导入方法依赖的package包/类
public boolean importData(TransferHandler.TransferSupport support) {
    if(!canImport(support)) {
        return false;
    }
    // Extract transfer data.
    DefaultMutableTreeNode[] nodes = null;
    try {
        Transferable t = support.getTransferable();
        nodes = (DefaultMutableTreeNode[])t.getTransferData(nodesFlavor);
    } catch(UnsupportedFlavorException ufe) {
        System.out.println("UnsupportedFlavor: " + ufe.getMessage());
    } catch(java.io.IOException ioe) {
        System.out.println("I/O error: " + ioe.getMessage());
    }
    // Get drop location info.
    JTree.DropLocation dl =
            (JTree.DropLocation)support.getDropLocation();
    int childIndex = dl.getChildIndex();
    TreePath dest = dl.getPath();
    DefaultMutableTreeNode parent =
        (DefaultMutableTreeNode)dest.getLastPathComponent();
    JTree tree = (JTree)support.getComponent();
    DefaultTreeModel model = (DefaultTreeModel)tree.getModel();
    // Configure for drop mode.
    int index = childIndex;    // DropMode.INSERT
    if(childIndex == -1) {     // DropMode.ON
        index = parent.getChildCount();
    }
    // Add data to model.
    for(int i = 0; i < nodes.length; i++) {
        model.insertNodeInto(nodes[i], parent, index++);
    }
    return true;
}
 

import javax.swing.tree.DefaultTreeModel; //导入方法依赖的package包/类
@Override
public boolean importData(TransferHandler.TransferSupport support) {
    if (!canImport(support)) {
        return false;
    }
    // Extract transfer data.
    DefaultMutableTreeNode[] nodes = null;
    try {
        Transferable t = support.getTransferable();
        nodes = (DefaultMutableTreeNode[]) t.getTransferData(nodesFlavor);
    } catch (UnsupportedFlavorException ufe) {
        System.out.println("UnsupportedFlavor: " + ufe.getMessage());
    } catch (java.io.IOException ioe) {
        System.out.println("I/O error: " + ioe.getMessage());
    }
    // Get drop location info.
    JTree.DropLocation dl = (JTree.DropLocation) support.getDropLocation();
    int childIndex = dl.getChildIndex();
    TreePath dest = dl.getPath();
    DefaultMutableTreeNode parent = (DefaultMutableTreeNode)
            dest.getLastPathComponent();
    JTree tree = (JTree) support.getComponent();
    DefaultTreeModel model = (DefaultTreeModel) tree.getModel();
    // Configure for drop mode.
    int index = childIndex;    // DropMode.INSERT
    if (childIndex == -1) {     // DropMode.ON
        index = parent.getChildCount();
    }
    // Add data to model.
    for (DefaultMutableTreeNode node : nodes) {
        model.insertNodeInto(node, parent, index++);
    }
    return true;
}