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a/tool/run/plugins/basic/nodeTools.java b/tool/run/plugins/basic/nodeTools.java
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    /**
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    /**
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     * Add our toolbox node to the treeview.
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     * Add our toolbox node to the treeview.
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     */
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     */
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    public void addNode(){
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    public void addNode(){
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        JTree tree = core.studio.getTree();
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        JTree tree = core.studio.getTree();
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        // avoid empty null objects when there is nothing on the tree
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        if(tree.getModel().getRoot()==null){
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            return;
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        }
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        TreeNodeSPDX nodeRoot = (TreeNodeSPDX) tree.getModel().getRoot();
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        TreeNodeSPDX nodeRoot = (TreeNodeSPDX) tree.getModel().getRoot();
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        TreeNodeSPDX node = swingUtils.nodeCreate("Tools", NodeType.none, nodeRoot);
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        TreeNodeSPDX node = swingUtils.nodeCreate("Tools", NodeType.none, nodeRoot);
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        node.setIcon("toolbox.png");
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        node.setIcon("toolbox.png");
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        // all finished, write this data on GUI tree list
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        // all finished, write this data on GUI tree list
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        DefaultTreeModel treeModel = new DefaultTreeModel(nodeRoot);
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        DefaultTreeModel treeModel = new DefaultTreeModel(nodeRoot);