BasicTreeUITest.java 文件源码

public void testCreateNodeDimensions() throws Exception {
    tree.setRowHeight(40);
    ui.setLeftChildIndent(10);
    ui.setRightChildIndent(20);
    ui.depthOffset = 3;
    assertNotNull(ui.createNodeDimensions());
    assertTrue(ui.createNodeDimensions() instanceof BasicTreeUI.NodeDimensionsHandler);
    assertNotSame(ui.createNodeDimensions(), ui.createNodeDimensions());
    tree.setFont(tree.getFont().deriveFont(40f));
    NodeDimensions n = ui.createNodeDimensions();
    Component c = ui.getCellRenderer().getTreeCellRendererComponent(tree, root.toString(),
            false, false, false, 0, false);
    assertEquals(new Rectangle(ui.totalChildIndent * ui.depthOffset, 0, c
            .getPreferredSize().width, c.getPreferredSize().height), n.getNodeDimensions(
            root, 0, 0, true, new Rectangle()));
    c = ui.getCellRenderer().getTreeCellRendererComponent(tree, node1.toString(), false,
            false, false, 0, false);
    assertEquals(new Rectangle(ui.totalChildIndent * ui.depthOffset, 0, c
            .getPreferredSize().width, c.getPreferredSize().height), n.getNodeDimensions(
            node1, 0, 0, true, new Rectangle()));
    Rectangle rectangle = new Rectangle(10, 10, 20, 20);
    c = ui.getCellRenderer().getTreeCellRendererComponent(tree, root.toString(), false,
            false, false, 0, false);
    assertEquals(new Rectangle(ui.totalChildIndent * ui.depthOffset + ui.totalChildIndent
            * 3, rectangle.y, c.getPreferredSize().width, c.getPreferredSize().height), n
            .getNodeDimensions(root, 2, 3, true, rectangle));
}