hanoicodeanimationpanel.java

本软件是使用java 开发的

package datastructure;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author unascribed
 * @version 1.0
 */

import java.awt.*;
import javax.swing.*;

public class HanoiCodeAnimationPanel
    extends JPanel {
  String codeArray[];
  String annotation[];
  JLabel codeLines[];
  JLabel annotationLines[];
  JLabel lineNumber[];

  JPanel codePanel;
  JPanel rowHead;

  int codeLineNbr;
  int lastHighlightedLine;

  public HanoiCodeAnimationPanel(String as[]) {

    codeArray = as;
    codeLineNbr = codeArray.length;
    codeLines = new JLabel[codeLineNbr];
    annotationLines = new JLabel[codeLineNbr];
    lineNumber = new JLabel[codeLineNbr];
    lastHighlightedLine = 0;
    init();
  }

  public void init() {
    codeLineNbr = codeArray.length;
    annotation = new String[codeLineNbr];
    codePanel = new JPanel();
    rowHead = new JPanel();
    codePanel.setLayout(new GridLayout(codeArray.length, 2));
    codePanel.setBackground(Color.white);
    rowHead.setBackground(Color.lightGray);
    rowHead.setLayout(new GridLayout(codeArray.length, 1));
    for (int i = 0; i < codeArray.length; i++) {
      codeLines[i] = new JLabel();
      annotationLines[i] = new JLabel();
      lineNumber[i] = new JLabel();
      codeLines[i].setText("  " + codeArray[i]);
      annotationLines[i].setText("");
      lineNumber[i].setText(Integer.toString(i + 1));
      codeLines[i].setForeground(Color.blue);
      annotationLines[i].setForeground(Color.green);
      lineNumber[i].setForeground(Color.red);
      codePanel.add(codeLines[i]);
      codePanel.add(annotationLines[i]);
      rowHead.add(lineNumber[i]);
    }
    add(rowHead);
    add(codePanel);

  }

  public void highlight(int i, Color color) {
    i--;
    codeLines[lastHighlightedLine].setForeground(Color.blue);
    lastHighlightedLine = i;
    codeLines[i].setForeground(color);

  }

  public void highlight(int i) {
    i--;
    codeLines[lastHighlightedLine].setForeground(Color.blue);
    lastHighlightedLine = i;
    codeLines[i].setForeground(Color.red);

  }

  public void annotate(String s, int i, Color color) {
    i--;
    annotationLines[i].setText("    " + s);
    // adjustScrollForView(i);
    annotationLines[i].setForeground(color);
  }

  public void annotate(String s, int i) {
    i--;
    annotationLines[i].setText("    " + s);

    annotationLines[i].setForeground(Color.green);
  }

  public void clear() {
    for (int i = 0; i < codeArray.length; i++) {
      codeLines[i].setForeground(Color.blue);
      annotationLines[i].setText("");
    }
  }
}