CellRenderer.java 文件源码

@Override
public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded, boolean leaf,
        int row, boolean hasFocus) {
    super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus);
    DefaultMutableTreeNode node = (DefaultMutableTreeNode) value;
    if (node.getChildCount() > 0) {
        setIcon(this.pack);
    } else if (getFileName(node).endsWith(".class") || getFileName(node).endsWith(".java")) {
        setIcon(this.java_image);
    } else if (getFileName(node).endsWith(".yml") || getFileName(node).endsWith(".yaml")) {
        setIcon(this.yml_image);
    } else {
        setIcon(this.file_image);
    }

    return this;
}