@Test
public void testThatCellRendererIsSet() {
final JTree jTree = new JTree();
final TreeCellRenderer renderer1 = jTree.getCellRenderer();
assertNotNull(renderer1);
assertEquals(true, renderer1 instanceof DefaultTreeCellRenderer);
CatalogTreeUtils.addCellRenderer(jTree);
final TreeCellRenderer renderer2 = jTree.getCellRenderer();
assertNotNull(renderer2);
assertEquals(true, renderer2 instanceof DefaultTreeCellRenderer);
assertNotSame(renderer1, renderer2);
}
@Test
public void testThatRendererRendersDifferentTypes() {
final JTree jTree = new JTree();
CatalogTreeUtils.addCellRenderer(jTree);
final TreeCellRenderer dapCellRenderer = jTree.getCellRenderer();
final OpendapLeaf opendapLeaf =
new OpendapLeaf("This is A dap Node", new InvDataset(null, "") {});
opendapLeaf.setDapAccess(true);
final OpendapLeaf fileLeaf =
new OpendapLeaf("This is A File Node", new InvDataset(null, "") {});
fileLeaf.setFileAccess(true);
final Object dapNode = new DefaultMutableTreeNode(opendapLeaf);
final Object fileNode = new DefaultMutableTreeNode(fileLeaf);
final Object noDapNode = new DefaultMutableTreeNode("otherNode");
final Component component =
dapCellRenderer.getTreeCellRendererComponent(
jTree, noDapNode, false, false, true, 0, false);
assertEquals(true, component instanceof DefaultTreeCellRenderer);
final DefaultTreeCellRenderer tcr1 = (DefaultTreeCellRenderer) component;
assertEquals("otherNode", tcr1.getText());
assertEquals(true, tcr1.getIcon() instanceof ImageIcon);
final Color foreground = tcr1.getForeground();
final Color background = tcr1.getBackground();
final Font font = tcr1.getFont();
final Component component2 =
dapCellRenderer.getTreeCellRendererComponent(jTree, dapNode, false, false, true, 0, false);
assertSame(component, component2);
assertEquals(true, component2 instanceof DefaultTreeCellRenderer);
final DefaultTreeCellRenderer tcr2 = (DefaultTreeCellRenderer) component2;
assertEquals("This is A dap Node", tcr2.getText());
assertEquals(true, tcr2.getIcon() instanceof ImageIcon);
final ImageIcon icon2 = (ImageIcon) tcr2.getIcon();
// todo change the expected icon to a realistic icon
assertEquals(
"/DRsProduct16.png",
icon2.getDescription().substring(icon2.getDescription().lastIndexOf("/")));
assertEquals(foreground, tcr2.getForeground());
assertEquals(background, tcr2.getBackground());
assertEquals(font, tcr2.getFont());
final Component component3 =
dapCellRenderer.getTreeCellRendererComponent(jTree, fileNode, false, false, true, 0, false);
assertSame(component, component3);
assertEquals(true, component3 instanceof DefaultTreeCellRenderer);
final DefaultTreeCellRenderer tcr3 = (DefaultTreeCellRenderer) component3;
assertEquals("This is A File Node", tcr3.getText());
assertEquals(true, tcr3.getIcon() instanceof ImageIcon);
final ImageIcon icon3 = (ImageIcon) tcr3.getIcon();
// todo change the expected icon to a realistic icon
assertEquals(
"/FRsProduct16.png",
icon3.getDescription().substring(icon3.getDescription().lastIndexOf("/")));
assertEquals(foreground, tcr3.getForeground());
assertEquals(background, tcr3.getBackground());
assertEquals(font, tcr3.getFont());
}