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| package net.sourceforge.pmd.util.viewer.model; |
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| import java.util.ArrayList; |
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| import java.util.List; |
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| import javax.swing.event.TreeModelEvent; |
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| import javax.swing.event.TreeModelListener; |
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| import javax.swing.tree.TreeModel; |
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| import javax.swing.tree.TreePath; |
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| import net.sourceforge.pmd.ast.SimpleNode; |
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| public class ASTModel implements TreeModel { |
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| private SimpleNode root; |
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| private List listeners = new ArrayList(1); |
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| public ASTModel(SimpleNode root) {
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| this.root = root;
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| } |
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| public Object getChild(Object parent, int index) {
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| return ((SimpleNode) parent).jjtGetChild(index);
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| } |
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| public int getChildCount(Object parent) {
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| return ((SimpleNode) parent).jjtGetNumChildren();
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| } |
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| public int getIndexOfChild(Object parent, Object child) {
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| SimpleNode node = ((SimpleNode) parent);
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| for (int i = 0; i < node.jjtGetNumChildren(); i++)
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| if (node.jjtGetChild(i).equals(child)) {
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| return i;
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| } |
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| return -1;
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| } |
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| public boolean isLeaf(Object node) {
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| return ((SimpleNode) node).jjtGetNumChildren() == 0;
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| } |
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| public Object getRoot() {
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| return root;
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| } |
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| public void valueForPathChanged(TreePath path, Object newValue) {
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| throw new UnsupportedOperationException();
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| } |
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| public void addTreeModelListener(TreeModelListener l) {
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| listeners.add(l);
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| } |
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| public void removeTreeModelListener(TreeModelListener l) {
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| listeners.remove(l);
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| } |
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| protected void fireTreeModelEvent(TreeModelEvent e) {
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| for (int i = 0; i < listeners.size(); i++) {
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| ((TreeModelListener) listeners.get(i)).treeNodesChanged(e);
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| } |
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| } |
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| } |
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