/** Sanity: icons updated on LF change. */
public void testTreeIconsUpdateUI() {
JXTree tree = new JXTree();
DefaultTreeRenderer renderer = new DefaultTreeRenderer();
tree.setCellRenderer(renderer);
WrappingIconPanel before =
(WrappingIconPanel)
renderer.getTreeCellRendererComponent(tree, "", false, false, true, -1, false);
Icon leaf = before.getIcon();
assertNotNull("sanity", leaf);
assertEquals("sanity", UIManager.getIcon("Tree.leafIcon"), leaf);
String lf = UIManager.getLookAndFeel().getName();
setSystemLF(!defaultToSystemLF);
if (lf.equals(UIManager.getLookAndFeel().getName())) {
LOG.info("cannot run test - equal LF" + lf);
return;
}
SwingUtilities.updateComponentTreeUI(tree);
WrappingIconPanel after =
(WrappingIconPanel)
renderer.getTreeCellRendererComponent(tree, "", false, false, true, -1, false);
Icon leafAfter = after.getIcon();
assertNotNull("sanity", leafAfter);
assertFalse("sanity", leaf.equals(leafAfter));
assertEquals("icon must be updated", UIManager.getIcon("Tree.leafIcon"), leafAfter);
}
/**
* base interaction with list: renderer uses list's unselected colors
*
* <p>currently, this test fails because the assumptions are wrong! Core renderer behaves slightly
* unexpected.
*/
public void testTreeRendererExtColors() {
// prepare standard
Component coreComponent =
coreTreeRenderer.getTreeCellRendererComponent(tree, null, false, false, false, 0, false);
// sanity: known standard behaviour
assertNull(coreComponent.getBackground());
// assertNull(coreComponent.getForeground());
assertNull(tree.getForeground());
Color uiForeground = UIManager.getColor("Tree.textForeground");
assertEquals(uiForeground, coreComponent.getForeground());
// prepare extended
Component xComponent =
xTreeRenderer.getTreeCellRendererComponent(tree, null, false, false, false, 0, false);
// assert behaviour same as standard
// assertEquals(coreComponent.getBackground(), xComponent.getBackground());
assertEquals(coreComponent.getForeground(), xComponent.getForeground());
}
/**
* base interaction with list: renderer uses list's unselected custom colors.
*
* <p>currently, this test fails because the assumptions are wrong! Core renderer behaves slightly
* unexpected.
*/
public void testTreeRendererExtTreeColors() {
Color background = Color.MAGENTA;
Color foreground = Color.YELLOW;
tree.setBackground(background);
tree.setForeground(foreground);
coreTreeRenderer.setBackgroundNonSelectionColor(background);
coreTreeRenderer.setTextNonSelectionColor(foreground);
// prepare standard
Component coreComponent =
coreTreeRenderer.getTreeCellRendererComponent(tree, null, false, false, false, 0, false);
// sanity: known standard behaviour
// background is manually painted
assertEquals(background, coreComponent.getBackground());
assertEquals(tree.getForeground(), coreComponent.getForeground());
// prepare extended
Component xComponent =
xTreeRenderer.getTreeCellRendererComponent(tree, null, false, false, false, 0, false);
// assert behaviour same as standard
assertEquals(background, xComponent.getBackground());
assertEquals(foreground, xComponent.getForeground());
}