faster repaint for large source files
This commit is contained in:
fros4943
parent
fc34a4572b
commit
25767a1f0f
1 changed files with 89 additions and 59 deletions
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@ -26,21 +26,35 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: CodeUI.java,v 1.7 2009/06/12 15:11:22 fros4943 Exp $
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* $Id: CodeUI.java,v 1.8 2009/09/23 08:16:06 fros4943 Exp $
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*/
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package se.sics.cooja.mspmote.plugins;
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import java.awt.*;
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import java.awt.BorderLayout;
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import java.awt.Color;
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import java.awt.Component;
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import java.awt.Font;
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import java.awt.Point;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseListener;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.Vector;
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import javax.swing.*;
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import javax.swing.AbstractListModel;
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import javax.swing.JLabel;
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import javax.swing.JList;
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import javax.swing.JMenuItem;
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import javax.swing.JPanel;
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import javax.swing.JPopupMenu;
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import javax.swing.JSeparator;
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import javax.swing.ListCellRenderer;
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import javax.swing.SwingUtilities;
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import org.apache.log4j.Logger;
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import se.sics.mspsim.extutil.highlight.CScanner;
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@ -188,7 +202,7 @@ public class CodeUI extends JPanel {
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* @param codeData Source code
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* @param lineNr Line numer
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*/
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public void displayNewCode(final File codeFile, final String[] codeData, final int lineNr) {
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public void displayNewCode(File codeFile, String[] codeData, final int lineNr) {
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displayedFile = codeFile;
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if (codeData == null || codeData.length == 0) {
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@ -196,34 +210,40 @@ public class CodeUI extends JPanel {
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return;
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}
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logger.info("Opening " + codeFile + " (" + codeData.length + " lines)");
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/* Create new list */
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final JList newList = new JList(new CodeListModel(codeData));
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newList.setBackground(Color.WHITE);
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newList.setFont(new Font("courier", 0, 12));
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newList.setCellRenderer(new CodeCellRenderer(lineNr));
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((CodeCellRenderer)newList.getCellRenderer()).setNice(false);
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newList.setFixedCellHeight(12);
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newList.addMouseListener(new MouseAdapter() {
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public void mousePressed(MouseEvent e) {
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handleMouseEvent(e);
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}
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public void mouseReleased(MouseEvent e) {
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handleMouseEvent(e);
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}
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public void mouseEntered(MouseEvent e) {
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handleMouseEvent(e);
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}
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public void mouseExited(MouseEvent e) {
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handleMouseEvent(e);
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}
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public void mouseClicked(MouseEvent e) {
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handleMouseEvent(e);
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}
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});
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createTokens(codeData);
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SwingUtilities.invokeLater(new Runnable() {
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public void run() {
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// Display code
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codeList = new JList(new CodeListModel(codeData));
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codeList.setBackground(Color.WHITE);
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codeList.setFont(new Font("courier", 0, 12));
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codeList.setCellRenderer(new CodeCellRenderer(lineNr));
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codeList.addMouseListener(new MouseListener() {
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public void mousePressed(MouseEvent e) {
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handleMouseEvent(e);
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}
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public void mouseReleased(MouseEvent e) {
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handleMouseEvent(e);
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}
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public void mouseEntered(MouseEvent e) {
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handleMouseEvent(e);
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}
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public void mouseExited(MouseEvent e) {
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handleMouseEvent(e);
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}
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public void mouseClicked(MouseEvent e) {
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handleMouseEvent(e);
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}
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});
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panel.removeAll();
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codeList = newList;
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panel.add(codeList);
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createTokens(codeData);
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panel.validate();
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displayLine(lineNr);
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}
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});
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@ -231,29 +251,32 @@ public class CodeUI extends JPanel {
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/**
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* Mark given line number in shown source code.
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* Should be called from AWT thread.
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*
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* @param lineNumber Line number
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*/
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public void displayLine(final int lineNumber) {
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if (codeList == null || lineNumber < 0) {
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SwingUtilities.invokeLater(new Runnable() {
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public void run() {
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codeList.updateUI();
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}
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});
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public void displayLine(int lineNumber) {
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if (codeList == null) {
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return;
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}
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((CodeCellRenderer) codeList.getCellRenderer()).setNice(false);
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((CodeCellRenderer) codeList.getCellRenderer()).changeCurrentLine(lineNumber);
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((CodeCellRenderer) codeList.getCellRenderer()).validate();
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if (lineNumber > 0) {
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int index = lineNumber - 1;
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codeList.setSelectedIndex(index);
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codeList.ensureIndexIsVisible(Math.max(0, index-3));
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codeList.ensureIndexIsVisible(Math.min(index+3, codeList.getModel().getSize()));
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codeList.ensureIndexIsVisible(index);
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}
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codeList.updateUI();
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SwingUtilities.invokeLater(new Runnable() {
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public void run() {
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((CodeCellRenderer) codeList.getCellRenderer()).changeCurrentLine(lineNumber);
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int index = lineNumber - 1;
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codeList.setSelectedIndex(index);
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codeList.ensureIndexIsVisible(Math.max(0, index-3));
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codeList.ensureIndexIsVisible(Math.min(index+3, codeList.getModel().getSize()));
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codeList.ensureIndexIsVisible(index);
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codeList.updateUI();
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((CodeCellRenderer) codeList.getCellRenderer()).setNice(true);
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codeList.repaint();
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}
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});
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}
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@ -268,11 +291,7 @@ public class CodeUI extends JPanel {
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}
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final int currentLine = codeList.locationToIndex(new Point(event.getX(), event.getY())) + 1;
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SwingUtilities.invokeLater(new Runnable() {
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public void run() {
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codeList.setSelectedIndex(currentLine - 1);
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}
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});
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codeList.setSelectedIndex(currentLine - 1);
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JPopupMenu popupMenu = createPopupMenu(displayedFile, currentLine);
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popupMenu.setLocation(menuLocation);
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@ -397,26 +416,36 @@ public class CodeUI extends JPanel {
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private class CodeCellRenderer extends JLabel implements ListCellRenderer {
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private int currentIndex;
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private boolean nice = true;
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public CodeCellRenderer(int currentLineNr) {
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this.currentIndex = currentLineNr - 1;
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}
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public void setNice(boolean b) {
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nice = b;
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}
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public void changeCurrentLine(int currentLineNr) {
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this.currentIndex = currentLineNr - 1;
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}
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private String getColoredLabelText(int lineNr, int lineStartPos, Token[] tokens, String code) {
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String html = "<html>";
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StringBuilder sb = new StringBuilder();
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sb.append("<html>");
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/* Add line number */
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String lineString = "0000" + Integer.toString(lineNr);
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lineString = lineString.substring(lineString.length() - 4);
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html += "<font color=\"333333\">" + lineString + ": </font>";
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sb.append("<font color=\"333333\">");
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sb.append(lineString);
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sb.append(": </font>");
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/* Add code */
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if (tokens == null || tokens.length == 0 || lineStartPos < 0) {
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html += "<font color=\"000000\">" + code + "</font>";
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sb.append("<font color=\"000000\">");
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sb.append(code);
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sb.append("</font>");
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} else {
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for (int i=tokens.length-1; i >= 0; i--) {
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Token subToken = tokens[i];
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@ -466,11 +495,11 @@ public class CodeUI extends JPanel {
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}
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code = code.replace(" ", " ");
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html += code;
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sb.append(code);
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}
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html += "</html>";
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return html;
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sb.append("</html>");
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return sb.toString();
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}
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public Component getListCellRendererComponent(
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@ -481,8 +510,9 @@ public class CodeUI extends JPanel {
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boolean cellHasFocus)
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{
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int lineNr = index + 1;
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if (tokensArray != null && index < tokensArray.length && tokensArray[index] != null) {
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if (!nice) {
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setText((String) value);
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} else if (tokensArray != null && index < tokensArray.length && tokensArray[index] != null) {
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setText(getColoredLabelText(lineNr, tokensStartPos[index], tokensArray[index], (String) value));
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} else {
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setText(getColoredLabelText(lineNr, 0, null, (String) value));
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