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(-)a/options.editor/src/org/netbeans/modules/options/editor/spi/OptionsFilter.java (-3 / +2 lines)
Lines 156-166 Link Here
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        @Override
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        @Override
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        public synchronized void addTreeModelListener(TreeModelListener l) {
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        public synchronized void addTreeModelListener(TreeModelListener l) {
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            listeners.add(l);
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            listeners.add(l);
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            delegate.addTreeModelListener(l);
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        }
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        }
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        @Override
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        @Override
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        public synchronized void removeTreeModelListener(TreeModelListener l) {
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        public synchronized void removeTreeModelListener(TreeModelListener l) {
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            listeners.remove(l);
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            listeners.remove(l);
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            delegate.removeTreeModelListener(l);
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        }
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        }
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        private synchronized Iterable<? extends TreeModelListener> getListeners() {
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        private synchronized Iterable<? extends TreeModelListener> getListeners() {
Lines 271-287 Link Here
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        @Override
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        @Override
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        public void treeNodesInserted(TreeModelEvent e) {
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        public void treeNodesInserted(TreeModelEvent e) {
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            throw new UnsupportedOperationException("Currently not supported.");
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        }
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        }
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        @Override
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        @Override
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        public void treeNodesRemoved(TreeModelEvent e) {
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        public void treeNodesRemoved(TreeModelEvent e) {
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            throw new UnsupportedOperationException("Currently not supported.");
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        }
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        }
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        @Override
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        @Override
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        public void treeStructureChanged(TreeModelEvent e) {
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        public void treeStructureChanged(TreeModelEvent e) {
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            throw new UnsupportedOperationException("Currently not supported.");
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        }
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        }
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    }
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    }

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