BasicTreeUI.java 文件源码

public void propertyChange(final PropertyChangeEvent e) {
    String changedProperty = e.getPropertyName();
    if (JTree.CELL_RENDERER_PROPERTY.equals(changedProperty)) {
        setCellRenderer((TreeCellRenderer)e.getNewValue());
    } else if (JTree.CELL_EDITOR_PROPERTY.equals(changedProperty)) {
        setCellEditor((TreeCellEditor)e.getNewValue());
    } else if (JTree.TREE_MODEL_PROPERTY.equals(changedProperty)) {
        setModel((TreeModel)e.getNewValue());
    } else if (JTree.ROOT_VISIBLE_PROPERTY.equals(changedProperty)) {
        setRootVisible(((Boolean)e.getNewValue()).booleanValue());
    } else if (JTree.SHOWS_ROOT_HANDLES_PROPERTY.equals(changedProperty)) {
        setShowsRootHandles(((Boolean)e.getNewValue()).booleanValue());
    } else if (JTree.ROW_HEIGHT_PROPERTY.equals(changedProperty)) {
        setRowHeight(((Integer)e.getNewValue()).intValue());
    } else if (JTree.EDITABLE_PROPERTY.equals(changedProperty)) {
        setEditable(((Boolean)e.getNewValue()).booleanValue());
    } else if (JTree.LARGE_MODEL_PROPERTY.equals(changedProperty)) {
        setLargeModel(((Boolean)e.getNewValue()).booleanValue());
    } else if (JTree.SELECTION_MODEL_PROPERTY.equals(changedProperty)) {
        setSelectionModel((TreeSelectionModel)e.getNewValue());
    } else if (JTree.LEAD_SELECTION_PATH_PROPERTY.equals(changedProperty)) {
        TreePath leadPath = (TreePath)e.getNewValue();
        lastSelectedRow = leadPath != null ? tree.getRowForPath(leadPath) : -1;
    }
}