CheckBoxTree: collapsed/expanded icons per instance

[mwendt]

Hello,

I'm using JIDE 3.5.13 and a CheckBoxTree. Is there a way to set the icons for collapsed/expanded nodes (root handlers) per instance?
I've tried using putClientProperty("Tree.expandedIcon", ...), but this does not work.

Thanks in advance.

[JIDE Support]

We didn't add any extra in CheckBoxTree. Whatever you can do to the JTree, it is the same as CheckBoxTree. As far as I know, you need to get the BasicTreeUI (only if you are using BasicTreeUI or its subclasses) and call setExpandedIcon on the UI class.

[mwendt]

Thank you. I did it that way in the meantime anyway and it works

For the sake of completeness:

Code: Select all

// change icons for a tree instance
try {
    final BasicTreeUI btui = (BasicTreeUI) tree.getUI();
    btui.setExpandedIcon(myExpandIcon);
    btui.setCollapsedIcon(myCollapseIcon);
} catch (ClassCastException cce) { ... }

// OR: change icons globally
// UIManager.put("Tree.expandedIcon", myExpandIcon);
// UIManager.put("Tree.collapsedIcon", myCollapseIcon);