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| package net.sourceforge.pmd.util.viewer.gui; |
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| import net.sourceforge.pmd.ast.Node; |
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| import net.sourceforge.pmd.ast.SimpleNode; |
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| import net.sourceforge.pmd.util.viewer.gui.menu.ASTNodePopupMenu; |
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| import net.sourceforge.pmd.util.viewer.model.ASTModel; |
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| import net.sourceforge.pmd.util.viewer.model.ViewerModel; |
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| import net.sourceforge.pmd.util.viewer.model.ViewerModelEvent; |
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| import net.sourceforge.pmd.util.viewer.model.ViewerModelListener; |
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| import net.sourceforge.pmd.util.viewer.util.NLS; |
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| import javax.swing.*; |
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| import javax.swing.event.TreeSelectionEvent; |
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| import javax.swing.event.TreeSelectionListener; |
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| import javax.swing.tree.TreeNode; |
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| import javax.swing.tree.TreePath; |
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| import java.awt.BorderLayout; |
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| import java.awt.event.MouseAdapter; |
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| import java.awt.event.MouseEvent; |
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| import java.util.LinkedList; |
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| public class ASTPanel |
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| extends JPanel |
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| implements ViewerModelListener, TreeSelectionListener { |
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| private ViewerModel model; |
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| private JTree tree; |
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| public ASTPanel(ViewerModel model) {
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| this.model = model;
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| init();
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| } |
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| private void init() {
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| model.addViewerModelListener(this);
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| setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(), NLS.nls("AST.PANEL.TITLE")));
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| setLayout(new BorderLayout());
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| tree = new JTree((TreeNode) null);
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| tree.addTreeSelectionListener(this);
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| tree.addMouseListener(new MouseAdapter() {
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| public void mouseReleased(MouseEvent e) {
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| if (e.isPopupTrigger()) {
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| TreePath path =
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| tree.getClosestPathForLocation(e.getX(), e.getY()); |
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| tree.setSelectionPath(path);
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| JPopupMenu menu =
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| new ASTNodePopupMenu(model, (SimpleNode) path.getLastPathComponent()); |
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| menu.show(tree, e.getX(), e.getY());
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| } |
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| } |
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| }); |
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| add(new JScrollPane(tree), BorderLayout.CENTER);
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| } |
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| public void viewerModelChanged(ViewerModelEvent e) {
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| switch (e.getReason()) {
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| case ViewerModelEvent.CODE_RECOMPILED:
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| tree.setModel(new ASTModel(model.getRootNode()));
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| break;
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| case ViewerModelEvent.NODE_SELECTED:
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| if (e.getSource() != this) {
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| LinkedList list = new LinkedList();
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| for (
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| Node node = (Node) e.getParameter(); node != null;
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| node = node.jjtGetParent()) |
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| list.addFirst(node);
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| TreePath path = new TreePath(list.toArray());
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| tree.setSelectionPath(path);
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| tree.scrollPathToVisible(path);
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| } |
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| break;
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| } |
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| } |
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| public void valueChanged(TreeSelectionEvent e) {
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| model.selectNode((SimpleNode) e.getNewLeadSelectionPath().getLastPathComponent(), this);
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| } |
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| } |