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1   package net.sourceforge.pmd.util.viewer.gui;
2   
3   import net.sourceforge.pmd.TargetJDK1_3;
4   import net.sourceforge.pmd.TargetJDK1_4;
5   import net.sourceforge.pmd.TargetJDK1_5;
6   import net.sourceforge.pmd.TargetJDK1_6;
7   import net.sourceforge.pmd.TargetJDKVersion;
8   import net.sourceforge.pmd.ast.ParseException;
9   import net.sourceforge.pmd.util.viewer.model.ViewerModel;
10  import net.sourceforge.pmd.util.viewer.model.ViewerModelEvent;
11  import net.sourceforge.pmd.util.viewer.model.ViewerModelListener;
12  import net.sourceforge.pmd.util.viewer.util.NLS;
13  
14  import javax.swing.*;
15  import java.awt.BorderLayout;
16  import java.awt.FlowLayout;
17  import java.awt.event.ActionEvent;
18  import java.awt.event.ActionListener;
19  
20  
21  /***
22   * viewer's main frame
23   *
24   * @author Boris Gruschko ( boris at gruschko.org )
25   * @version $Id: MainFrame.java,v 1.14 2006/10/21 01:30:38 xlv Exp $
26   */
27  
28  public class MainFrame
29          extends JFrame
30          implements ActionListener, ActionCommands, ViewerModelListener {
31      private ViewerModel model;
32      private SourceCodePanel sourcePanel;
33      private ASTPanel astPanel;
34      private XPathPanel xPathPanel;
35      private JButton compileBtn;
36      private JButton evalBtn;
37      private JLabel statusLbl;
38      private JRadioButtonMenuItem jdk13MenuItem;
39      private JRadioButtonMenuItem jdk14MenuItem;
40      private JRadioButtonMenuItem jdk15MenuItem;
41      private JRadioButtonMenuItem jdk16MenuItem;
42  
43      /***
44       * constructs and shows the frame
45       */
46      public MainFrame() {
47          super(NLS.nls("MAIN.FRAME.TITLE"));
48          init();
49      }
50  
51      private void init() {
52          model = new ViewerModel();
53          model.addViewerModelListener(this);
54          sourcePanel = new SourceCodePanel(model);
55          astPanel = new ASTPanel(model);
56          xPathPanel = new XPathPanel(model);
57          getContentPane().setLayout(new BorderLayout());
58          JSplitPane editingPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, sourcePanel, astPanel);
59          editingPane.setResizeWeight(0.5d);
60          JPanel interactionsPane = new JPanel(new BorderLayout());
61          interactionsPane.add(xPathPanel, BorderLayout.SOUTH);
62          interactionsPane.add(editingPane, BorderLayout.CENTER);
63          getContentPane().add(interactionsPane, BorderLayout.CENTER);
64          compileBtn = new JButton(NLS.nls("MAIN.FRAME.COMPILE_BUTTON.TITLE"));
65          compileBtn.setActionCommand(COMPILE_ACTION);
66          compileBtn.addActionListener(this);
67          evalBtn = new JButton(NLS.nls("MAIN.FRAME.EVALUATE_BUTTON.TITLE"));
68          evalBtn.setActionCommand(EVALUATE_ACTION);
69          evalBtn.addActionListener(this);
70          evalBtn.setEnabled(false);
71          statusLbl = new JLabel();
72          statusLbl.setHorizontalAlignment(SwingConstants.RIGHT);
73          JPanel btnPane = new JPanel(new FlowLayout(FlowLayout.LEFT));
74          btnPane.add(compileBtn);
75          btnPane.add(evalBtn);
76          btnPane.add(statusLbl);
77          getContentPane().add(btnPane, BorderLayout.SOUTH);
78  
79          JMenuBar menuBar = new JMenuBar();
80          JMenu menu = new JMenu("JDK");
81          ButtonGroup group = new ButtonGroup();
82          jdk13MenuItem = new JRadioButtonMenuItem("JDK 1.3");
83          jdk13MenuItem.setSelected(false);
84          group.add(jdk13MenuItem);
85          menu.add(jdk13MenuItem);
86          jdk14MenuItem = new JRadioButtonMenuItem("JDK 1.4");
87          jdk14MenuItem.setSelected(true);
88          group.add(jdk14MenuItem);
89          menu.add(jdk14MenuItem);
90          jdk15MenuItem = new JRadioButtonMenuItem("JDK 1.5");
91          jdk15MenuItem.setSelected(false);
92          group.add(jdk15MenuItem);
93          menu.add(jdk15MenuItem);
94          jdk16MenuItem = new JRadioButtonMenuItem("JDK 1.6");
95          jdk16MenuItem.setSelected(false);
96          group.add(jdk16MenuItem);
97          menu.add(jdk16MenuItem);
98          menuBar.add(menu);
99          setJMenuBar(menuBar);
100 
101         setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
102         pack();
103         setSize(800, 600);
104         setVisible(true);
105     }
106 
107     private TargetJDKVersion createJDKVersion() {
108         if (jdk14MenuItem.isSelected()) {
109             return new TargetJDK1_4();
110         } else if (jdk13MenuItem.isSelected()) {
111             return new TargetJDK1_3();
112         } else if (jdk16MenuItem.isSelected()) {
113             return new TargetJDK1_6();
114         }
115         return new TargetJDK1_5();
116     }
117 
118     /***
119      * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
120      */
121     public void actionPerformed(ActionEvent e) {
122         String command = e.getActionCommand();
123         long t0, t1;
124         if (command.equals(COMPILE_ACTION)) {
125             try {
126                 t0 = System.currentTimeMillis();
127                 model.commitSource(sourcePanel.getSourceCode(), createJDKVersion());
128                 t1 = System.currentTimeMillis();
129                 setStatus(NLS.nls("MAIN.FRAME.COMPILATION.TOOK") + " " + (t1 - t0) + " ms");
130             } catch (ParseException exc) {
131                 setStatus(NLS.nls("MAIN.FRAME.COMPILATION.PROBLEM") + " " + exc.toString());
132                 new ParseExceptionHandler(this, exc);
133             }
134         } else if (command.equals(EVALUATE_ACTION)) {
135             try {
136                 t0 = System.currentTimeMillis();
137                 model.evaluateXPathExpression(xPathPanel.getXPathExpression(), this);
138                 t1 = System.currentTimeMillis();
139                 setStatus(NLS.nls("MAIN.FRAME.EVALUATION.TOOK") + " " + (t1 - t0) + " ms");
140             } catch (Exception exc) {
141                 setStatus(NLS.nls("MAIN.FRAME.EVALUATION.PROBLEM") + " " + exc.toString());
142                 new ParseExceptionHandler(this, exc);
143             }
144         }
145     }
146 
147     /***
148      * Sets the status bar message
149      *
150      * @param string the new status, the empty string will be set if the value is <code>null</code>
151      */
152     private void setStatus(String string) {
153         statusLbl.setText(string == null ? "" : string);
154     }
155 
156     /***
157      * @see ViewerModelListener#viewerModelChanged(ViewerModelEvent)
158      */
159     public void viewerModelChanged(ViewerModelEvent e) {
160         evalBtn.setEnabled(model.hasCompiledTree());
161     }
162 }