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1 package treecms.gui;
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2
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3 import javax.swing.JTree;
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4 import javax.swing.tree.DefaultMutableTreeNode;
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5 import javax.swing.tree.DefaultTreeModel;
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6
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7 import treecms.api.Node;
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8 import treecms.api.TreeEditor;
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9
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10 public class NodeViewerTree extends JTree
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11 {
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12 private static final long serialVersionUID = 8257838201307216301L;
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13
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14 public NodeViewerTree(Node _node)
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15 {
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16 super(new NVTreeModel(_node));
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17 }
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18
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19 public void addChildToSelectedNode(Node _child)
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20 {
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21 DefaultMutableTreeNode node = (DefaultMutableTreeNode)this.getLastSelectedPathComponent();
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22 if(node == null){
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23 return;
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24 }
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25
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26 DefaultMutableTreeNode newNode = new DefaultMutableTreeNode();
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27 newNode.setUserObject(_child);
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28 node.add(newNode);
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29 }
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30
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9
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31 static class NVTreeModel extends DefaultTreeModel
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8
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32 {
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33 public NVTreeModel(Node _node)
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34 {
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35 super(new DefaultMutableTreeNode());
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36 setTree(_node,false);
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37 }
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38
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39 public void setTree(Node _node,boolean _reload)
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40 {
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41 DefaultMutableTreeNode root = (DefaultMutableTreeNode)getRoot();
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42 root.removeAllChildren();
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43 root.setUserObject(_node);
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44
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45 for(Node child : _node.children()){
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46 treewalk(child,root);
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47 }
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48
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49 if(_reload){
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50 reload();
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51 }
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52 }
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53
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54 private void treewalk(Node _node,DefaultMutableTreeNode _treeNode)
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55 {
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56 DefaultMutableTreeNode treeChild = new DefaultMutableTreeNode();
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57 treeChild.setUserObject(_node);
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58 _treeNode.add(treeChild);
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59
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60 for(Node child : _node.children()){
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61 treewalk(child,treeChild);
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62 }
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63 }
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64 }
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65 }
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