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| package net.sourceforge.pmd.util.viewer.gui; |
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| import net.sourceforge.pmd.ast.SimpleNode; |
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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.text.BadLocationException; |
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| import javax.swing.text.DefaultHighlighter; |
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| import java.awt.BorderLayout; |
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| import java.awt.Color; |
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| public class SourceCodePanel extends JPanel implements ViewerModelListener { |
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| private ViewerModel model; |
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| private JTextArea sourceCodeArea; |
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| private static final Color highlightColor = new Color(79, 237, 111); |
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| public SourceCodePanel(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("SOURCE.PANEL.TITLE")));
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| setLayout(new BorderLayout());
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| sourceCodeArea = new JTextArea();
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| add(new JScrollPane(sourceCodeArea), BorderLayout.CENTER);
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| } |
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| public String getSourceCode() {
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| return sourceCodeArea.getText();
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| } |
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| public void viewerModelChanged(ViewerModelEvent e) {
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| if (e.getReason() == ViewerModelEvent.NODE_SELECTED) {
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| final SimpleNode node = (SimpleNode) e.getParameter();
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| SwingUtilities.invokeLater(new Runnable() {
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| public void run() {
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| try {
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| sourceCodeArea.getHighlighter().removeAllHighlights();
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| if (node == null) {
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| return;
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| } |
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| int startOffset =
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| (sourceCodeArea.getLineStartOffset(node.getBeginLine() - 1) + |
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| node.getBeginColumn()) - 1; |
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| int end =
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| (sourceCodeArea.getLineStartOffset(node.getEndLine() - 1) + |
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| node.getEndColumn()); |
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| sourceCodeArea.getHighlighter().addHighlight(startOffset, end,
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| new DefaultHighlighter.DefaultHighlightPainter(highlightColor)); |
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| sourceCodeArea.moveCaretPosition(startOffset);
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| } catch (BadLocationException exc) { |
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| throw new IllegalStateException(exc.getMessage());
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| } |
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| } |
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| }); |
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| } |
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| } |
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| } |
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