lset.java

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package l;


import java.awt.event.*;
import java.awt.*;
/**
 * Title:        L
 * Description:
 * Copyright:    Copyright (c) 2003
 * Company:      J & K Studio
 * @author [e-mail]
 * @version 1.0
 */

final class LSet extends Frame {

  L localL;

  Label lblStartX = new Label();
  TextField txtStartX = new TextField();
  Label lblStartY = new Label();
  TextField txtStartY = new TextField();
  Label lblDirection = new Label();
  TextField txtDirection = new TextField();
  Label lblRotation = new Label();
  TextField txtRotation = new TextField();
  Label lbllengthF = new Label();
  TextField txtLengthF = new TextField();
  Label lblStartDepth = new Label();
  TextField txtStartDepth = new TextField();
  Label lblsStart = new Label();
  TextField txtsStart = new TextField();

  Label lblsRule [];
  TextField txtsRule[][];
  Label lblArrow [];

  Label label1 = new Label();
  Label label2 = new Label();
  Label label3 = new Label();
  Label label4 = new Label();
  Label label5 = new Label();
  Label label6 = new Label();
  Label label7 = new Label();
  Label label8 = new Label();

  public LSet(L lsystem) {
    super("设置参数");
    localL = lsystem;
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
   }
  private void jbInit() throws Exception {
    this.setBackground(Color.white);
    this.setLayout(new BorderLayout());
    Panel panUp = new Panel();
    label1.setText("说明：");
    label1.setBounds(new Rectangle(21, 101, 48, 18));
    label2.setText("左下角(x,y)=(0,0)    右上角(x,y)=(400,400)");
    label2.setBounds(new Rectangle(71, 99, 277, 20));
    label3.setText("F：当前方向前画一个步距");
    label3.setBounds(new Rectangle(71, 120, 152, 18));
    label4.setText("+：逆时针转一个给定的转角    -：顺时针转一个给定的转角");
    label4.setBounds(new Rectangle(71, 137, 314, 18));
    label5.setForeground(Color.red);
    label5.setText("注意：规则名称为单个字母，书写时注意大小写区别");
    label5.setBounds(new Rectangle(21, 176, 318, 18));
    label6.setText("[：状态入栈    ]：状态出栈");
    label6.setBounds(new Rectangle(74, 156, 151, 18));
    label7.setText("规则名称及规则：");
    label7.setBounds(new Rectangle(18, 234, 105, 18));
    label8.setForeground(Color.blue);
    label8.setText("制作：[e-mail]");
    label8.setBounds(new Rectangle(238, 233, 150, 18));
    this.add(panUp);
    panUp.setLayout(null);
    panUp.setBackground(Color.white);

    lbllengthF.setText("步距：");
    lbllengthF.setBounds(new Rectangle(5, 74, 43, 18));
    lblStartX.setText("起始点坐标 X（整数） ：");
    lblStartX.setBounds(new Rectangle(5, 23, 136, 18));
    txtStartX.setBounds(new Rectangle(141, 21, 56, 22));
    lblStartY.setBounds(new Rectangle(204, 23, 130, 18));
    lblStartY.setText("起始点坐标 Y（整数）：");
    txtStartY.setBounds(new Rectangle(336, 21, 56, 22));
    lblDirection.setText("起始方向角：");
    lblDirection.setBounds(new Rectangle(5, 49, 79, 18));
    txtDirection.setBounds(new Rectangle(141, 47, 56, 22));
    lblRotation.setText("给定的转角：");
    lblRotation.setBounds(new Rectangle(205, 48, 83, 18));
    txtRotation.setBounds(new Rectangle(336, 46, 56, 22));
    txtLengthF.setBounds(new Rectangle(141, 73, 56, 22));
    lblStartDepth.setText("迭代次数（整数）：");
    lblStartDepth.setBounds(new Rectangle(204, 74, 112, 18));
    txtStartDepth.setBounds(new Rectangle(336, 72, 55, 22));
    lblsStart.setText("公理：");
    lblsStart.setBounds(new Rectangle(20, 205, 47, 18));
    txtsStart.setBounds(new Rectangle(73, 202, 268, 22));
    panUp.add(label1, null);
    panUp.add(label3, null);
    panUp.add(label4, null);
    panUp.add(txtsStart, null);
    panUp.add(lblsStart, null);
    panUp.add(label5, null);
    panUp.add(label6, null);
    panUp.add(label7, null);
    panUp.add(lblStartX, null);
    panUp.add(lblDirection, null);
    panUp.add(lbllengthF, null);
    panUp.add(txtStartX, null);
    panUp.add(txtDirection, null);
    panUp.add(txtLengthF, null);
    panUp.add(txtStartY, null);
    panUp.add(txtRotation, null);
    panUp.add(txtStartDepth, null);
    panUp.add(lblStartY, null);
    panUp.add(lblRotation, null);
    panUp.add(lblStartDepth, null);
    panUp.add(label8, null);
    panUp.add(label2, null);

    txtStartX.setText(String.valueOf(localL.pStartX));
    txtStartY.setText(String.valueOf(localL.pStartY));
    txtDirection.setText(String.valueOf(localL.direction_init));
    txtRotation.setText(String.valueOf(localL.rotation));
    txtLengthF.setText(String.valueOf(localL.lengthF));
    txtStartDepth.setText(String.valueOf(localL.StartDepth));
    txtsStart.setText(localL.sStart);



    lblsRule = new Label [10];
    txtsRule = new TextField[10][2];
    lblArrow = new Label [10];

    Panel panRule = new Panel();
    this.add("South",panRule);
    GridBagLayout layout = new GridBagLayout();
    panRule.setLayout(layout);
    GridBagConstraints constraints = new GridBagConstraints();
    constraints.weightx = 0.0;
    constraints.weighty = 0.0;
    constraints.gridwidth = 1;
    constraints.gridheight = 1;

    for(int i=0;i<10;i++){
      constraints.gridx=0;constraints.gridy=i;
      lblsRule[i] = new Label();
      lblsRule[i].setText("规则"+i+":");
      layout.setConstraints(lblsRule[i],constraints);
      panRule.add(lblsRule[i]);

      constraints.gridx=1;constraints.gridy=i;
      txtsRule[i][0]=new TextField(2);
      if(i<localL.ruleNumber){
        txtsRule[i][0].setText(localL.sRule[i][0]);
      }
      else{
        txtsRule[i][0].setText("");
      }
      layout.setConstraints(txtsRule[i][0],constraints);
      panRule.add(txtsRule[i][0]);

      constraints.gridx=2;constraints.gridy=i;
      lblArrow[i]=new Label();
      lblArrow[i].setText("→");
      layout.setConstraints(lblArrow[i],constraints);
      panRule.add(lblArrow[i]);

      constraints.gridx=3;constraints.gridy=i;
      txtsRule[i][1]=new TextField(30);
      if (i<localL.ruleNumber){
        txtsRule[i][1].setText(localL.sRule[i][1]);
      }
      else{
        txtsRule[i][1].setText("");
      }
      layout.setConstraints(txtsRule[i][1],constraints);
      panRule.add(txtsRule[i][1]);


      }

    Button btnConfirm = new Button();
    btnConfirm.setLabel("确定");
    constraints.gridx=0;constraints.gridy=11;
    layout.setConstraints(btnConfirm,constraints);
    panRule.add(btnConfirm);

    Button btnCancel = new Button();
    btnCancel.setLabel("取消");
    constraints.gridx=1;constraints.gridy=11;
    layout.setConstraints(btnCancel,constraints);
    panRule.add(btnCancel);

    Button btnDel = new Button();
    btnDel.setLabel("全部清空");
    constraints.gridx=3;constraints.gridy=11;
    layout.setConstraints(btnDel,constraints);
    panRule.add(btnDel);

     this.addWindowListener(new java.awt.event.WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        this_windowClosing(e);
      }
    });

}
    void this_windowClosing(WindowEvent e) {
      this.hide();
      this.dispose();
  }

  public boolean action(Event ev, Object arg){
    if ( ev.target instanceof Button) {//instanceof实例
        String button = (String) arg;
        if (button.equals("确定")) {
          localL.pStartX=Integer.parseInt(txtStartX.getText());
          localL.pStartY=Integer.parseInt(txtStartY.getText());
//          localL.direction=Double.valueOf(txtDirection.getText()).doubleValue();
          localL.direction_init=Double.valueOf(txtDirection.getText()).doubleValue();
          localL.rotation=Double.valueOf(txtRotation.getText()).doubleValue();
          localL.lengthF=Double.valueOf(txtLengthF.getText()).doubleValue();
          localL.StartDepth=Integer.parseInt(txtStartDepth.getText());
          localL.sStart=txtsStart.getText();

          int j=0;
          for (int i=0;i<10;i++){
            if (txtsRule[i][0].getText().equals("")){
              j=j+1;
            }
            else{
              localL.sRule[i-j][0]=txtsRule[i-j][0].getText();
              localL.sRule[i-j][1]=txtsRule[i-j][1].getText();
            }
          }
          localL.ruleNumber=10-j;

          this.hide();
          this.dispose();

          localL.reinit();

        }
        else if (button.equals("取消")) {
          this.hide();
          this.dispose();
        }
        else if (button.equals("全部清空")){
          txtStartX.setText("");
          txtStartY.setText("");
          txtDirection.setText("");
          txtRotation.setText("");
          txtLengthF.setText("");
          txtStartDepth.setText("");
          txtsStart.setText("");

          for(int i=0;i<10;i++){
            txtsRule[i][0].setText("");
            txtsRule[i][1].setText("");
          }

        }
        return true;
 }else return false;
}

}