CasViewerEclipsePlugin/uimaj-ep-casviewer-core/src/main/java/org/apache/uima/casviewer/ui/internal/style/DefaultColorTreeSectionPart.java [696:718]:
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    private void setSelectedTreeNode (SelectionChangedEvent event) 
    {
        ISelection selection = event.getSelection();
        if (selection != null && selection instanceof IStructuredSelection) {
            IStructuredSelection ssel = (IStructuredSelection)selection;
            if (ssel.size() > 0) {
                // Trace.trace("class:" + ssel.getFirstElement().getClass().getName());
                if (ssel.getFirstElement() instanceof TypeNode) {           
                    _selectedTreeNode = (TypeNode) ssel.getFirstElement();
//                    if ( _selectedTreeNode.getBgColor() == null ) {
//                        // && ! treeViewer.getGrayed(element)) { 
//                        Trace.trace("Set gray: " + _selectedTreeNode.getLabel());
//                        treeViewer.setChecked(_selectedTreeNode, true);
//                        treeViewer.setGrayed(_selectedTreeNode, true);
//                    }
                    return;
                } else {
                    // Trace.trace("class:" + ssel.getFirstElement().getClass().getName());
                }
            }
        }
        _selectedTreeNode = null;
    }
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CasViewerEclipsePlugin/uimaj-ep-casviewer-core/src/main/java/org/apache/uima/casviewer/ui/internal/style/ColoredTypeTreeSectionPart.java [734:755]:
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    private void setSelectedTreeNode (SelectionChangedEvent event) 
    {
        ISelection selection = event.getSelection();
        if (selection != null && selection instanceof IStructuredSelection) {
            IStructuredSelection ssel = (IStructuredSelection)selection;
            if (ssel.size() > 0) {
                if (ssel.getFirstElement() instanceof TypeNode) {           
                    _selectedTreeNode = (TypeNode) ssel.getFirstElement();
//                    if ( _selectedTreeNode.getBgColor() == null ) {
//                        // && ! treeViewer.getGrayed(element)) { 
//                        Trace.trace("Set gray: " + _selectedTreeNode.getLabel());
//                        treeViewer.setChecked(_selectedTreeNode, true);
//                        treeViewer.setGrayed(_selectedTreeNode, true);
//                    }
                    return;
                } else {
                    // Trace.trace("class:" + ssel.getFirstElement().getClass().getName());
                }
            }
        }
        _selectedTreeNode = null;
    }
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CasViewerEclipsePlugin/uimaj-ep-casviewer-core/src/main/java/org/apache/uima/casviewer/ui/internal/type/TypesTreeSectionPart.java [830:851]:
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    private void setSelectedTreeNode (SelectionChangedEvent event) 
    {
        ISelection selection = event.getSelection();
        if (selection != null && selection instanceof IStructuredSelection) {
            IStructuredSelection ssel = (IStructuredSelection)selection;
            if (ssel.size() > 0) {
                if (ssel.getFirstElement() instanceof TypeNode) {           
                    _selectedTreeNode = (TypeNode) ssel.getFirstElement();
//                    if ( _selectedTreeNode.getBgColor() == null ) {
//                        // && ! treeViewer.getGrayed(element)) { 
//                        Trace.trace("Set gray: " + _selectedTreeNode.getLabel());
//                        treeViewer.setChecked(_selectedTreeNode, true);
//                        treeViewer.setGrayed(_selectedTreeNode, true);
//                    }
                    return;
                } else {
                    // Trace.trace("class:" + ssel.getFirstElement().getClass().getName());
                }
            }
        }
        _selectedTreeNode = null;
    }
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