javax.swing.tree.DefaultTreeModel#nodesWereInserted ( )源码实例Demo

@Override
public void circuitChanged(CircuitEvent event) {
	int action = event.getAction();
	DefaultTreeModel model = (DefaultTreeModel) getModel();
	if (action == CircuitEvent.ACTION_SET_NAME) {
		model.nodeChanged(this);
	} else {
		if (computeChildren()) {
			model.nodeStructureChanged(this);
		} else if (action == CircuitEvent.ACTION_INVALIDATE) {
			Object o = event.getData();
			for (int i = children.size() - 1; i >= 0; i--) {
				Object o2 = children.get(i);
				if (o2 instanceof ComponentNode) {
					ComponentNode n = (ComponentNode) o2;
					if (n.comp == o) {
						int[] changed = { i };
						children.remove(i);
						model.nodesWereRemoved(this, changed, new Object[] { n });
						children.add(i, new ComponentNode(this, n.comp));
						model.nodesWereInserted(this, changed);
					}
				}
			}
		}
	}
}
 

private void insertNode(ClassTreeNode newNode,
                          ClassTreeNode parentNode,
                          int insertionIndex,
                          DefaultTreeModel model,
                          boolean reset)
{
    parentNode.insert(newNode, insertionIndex);
    if (!reset) {
        model.nodesWereInserted(parentNode, new int[] {insertionIndex});
    }
}
 

public ElistTablePanel(GUIFramework framework, Qualifier qualifier) {
    leafIcon = new ImageIcon(getClass().getResource(
            "/com/ramussoft/gui/table/sheet.png"));
    folderIcon = new ImageIcon(getClass().getResource(
            "/com/ramussoft/gui/table/folder.png"));
    folderSheetIcon = new ImageIcon(getClass().getResource(
            "/com/ramussoft/gui/table/folder-sheet.png"));
    setRootVisible(false);
    List<Attribute> list = qualifier.getAttributes();
    if (list.size() > 0)
        attribute = list.get(0);
    for (Attribute attr : list) {
        if (attr.getId() == qualifier.getAttributeForName()) {
            attribute = attr;
            break;
        }
    }
    Attribute[] attributes;
    if (attribute != null)
        attributes = new Attribute[]{attribute};
    else
        attributes = new Attribute[]{};
    rowSet = new RowSet(framework.getEngine(), qualifier, attributes) {

        @Override
        protected void removedFromChildren(Row parentRow, Row row, int i) {
            try {
                model.nodesWereRemoved(parentRow, new int[]{i},
                        new Object[]{row});
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

        @Override
        protected void added(Row parent, final Row row, int index) {
            super.added(parent, row, index);
            if (parent == null)
                parent = getRoot();
            try {
                model.nodesWereInserted(parent, new int[]{index});
                expandPath(new TreePath(model.getPathToRoot(parent)));
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

        @Override
        protected void attributeChanged(Row row, Attribute attr,
                                        Object newValue, Object oldValue, boolean journaled) {
            if (attribute.getId() == attr.getId()) {
                try {
                    model.nodeChanged(row);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
    };

    model = new DefaultTreeModel(rowSet.getRoot());
    setModel(model);
    for (int i = 0; i < getRowCount(); i++)
        expandRow(i);
    setRowHeight(ElistTableTabView.CELL_BORDER);
    this.addMouseMotionListener(new MouseMotionAdapter() {
        @Override
        public void mouseMoved(MouseEvent e) {
            setToolTipText(getToolTipText(e));
        }
    });

    setCellRenderer(renderer);
}