CheckBoxTree: collapsed/expanded icons per instance

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CheckBoxTree: collapsed/expanded icons per instance

Postby mwendt » Wed Mar 19, 2014 4:42 am

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.
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Re: CheckBoxTree: collapsed/expanded icons per instance

Postby JIDE Support » Wed Mar 19, 2014 9:30 am

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.
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Re: CheckBoxTree: collapsed/expanded icons per instance

Postby mwendt » Wed Mar 19, 2014 9:54 am

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);
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