/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package vk56;

import java.awt.Color;
import java.awt.Graphics;

/**
 *
 * @author PajNtxhee
 */
public class NewJFrame extends javax.swing.JFrame {
 int x1, x2, y2, y1;
 Color c;
 /**
  * Creates new form NewJFrame
  */
 public NewJFrame() {
  initComponents();

 }

 /**
  * This method is called from within the constructor to initialize the form.
  * WARNING: Do NOT modify this code. The content of this method is always
  * regenerated by the Form Editor.
  */
 @SuppressWarnings("unchecked")
  // <editor-fold defaultstate="collapsed" desc="Generated Code">
 private void initComponents() {

   buttonGroup1 = new javax.swing.ButtonGroup();
   jPanel1 = new javax.swing.JPanel();
   jRadioButton1 = new javax.swing.JRadioButton();
   jRadioButton2 = new javax.swing.JRadioButton();
   jButton1 = new javax.swing.JButton();

   setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
   setTitle("Vẽ hình bằng chuột");

   jPanel1.setBackground(java.awt.Color.white);
   jPanel1.addMouseListener(new java.awt.event.MouseAdapter() {
    public void mousePressed(java.awt.event.MouseEvent evt) {
     jPanel1MousePressed(evt);
    }
    public void mouseReleased(java.awt.event.MouseEvent evt) {
     jPanel1MouseReleased(evt);
    }
   });

   javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
   jPanel1.setLayout(jPanel1Layout);
   jPanel1Layout.setHorizontalGroup(
    jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
    .addGap(0, 425, Short.MAX_VALUE)
   );
   jPanel1Layout.setVerticalGroup(
    jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
    .addGap(0, 0, Short.MAX_VALUE)
   );

   buttonGroup1.add(jRadioButton1);
   jRadioButton1.setText("Đường thẳng");
   jRadioButton1.addActionListener(new java.awt.event.ActionListener() {
    public void actionPerformed(java.awt.event.ActionEvent evt) {
     jRadioButton1ActionPerformed(evt);
    }
   });

   buttonGroup1.add(jRadioButton2);
   jRadioButton2.setText("Hình chữ nhật");
   jRadioButton2.addActionListener(new java.awt.event.ActionListener() {
    public void actionPerformed(java.awt.event.ActionEvent evt) {
     jRadioButton2ActionPerformed(evt);
    }
   });

   jButton1.setText("Màu viền");
   jButton1.addActionListener(new java.awt.event.ActionListener() {
    public void actionPerformed(java.awt.event.ActionEvent evt) {
     jButton1ActionPerformed(evt);
    }
   });

   javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
   getContentPane().setLayout(layout);
   layout.setHorizontalGroup(
    layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
     .addGap(0, 19, Short.MAX_VALUE)
     .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
      .addComponent(jButton1)
      .addGroup(layout.createSequentialGroup()
       .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
        .addComponent(jRadioButton1, javax.swing.GroupLayout.Alignment.TRAILING)
        .addComponent(jRadioButton2, javax.swing.GroupLayout.Alignment.TRAILING))
       .addGap(18, 18, 18)
       .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))))
   );
   layout.setVerticalGroup(
    layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
    .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
    .addGroup(layout.createSequentialGroup()
     .addGap(51, 51, 51)
     .addComponent(jRadioButton1)
     .addGap(70, 70, 70)
     .addComponent(jRadioButton2)
     .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 38, Short.MAX_VALUE)
     .addComponent(jButton1)
     .addGap(22, 22, 22))
   );

   pack();
  } // </editor-fold>
 public void dt(Graphics g) {
  g.setColor(c);
  g.drawLine(x1, y1, x2, y2);
 }

 public void hcn(Graphics g) {
  g.setColor(c);
  g.drawRect(x1, y1, Math.abs(x2 - x1), Math.abs(y2 - y1));
  g.setColor(Color.pink);
  g.fillRect(x1, y1, Math.abs(x2 - x1), Math.abs(y2 - y1));
 }
 private void jRadioButton1ActionPerformed(java.awt.event.ActionEvent evt) {
  // TODO add your handling code here:
  dt(jPanel1.getGraphics());
 }

 private void jRadioButton2ActionPerformed(java.awt.event.ActionEvent evt) {
  // TODO add your handling code here:
  hcn(jPanel1.getGraphics());
 }

 private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
  // TODO add your handling code here:
  c = Color.red;
 }

 private void jPanel1MousePressed(java.awt.event.MouseEvent evt) {
  // TODO add your handling code here:
  x1 = evt.getX();
  y1 = evt.getY();
 }

 private void jPanel1MouseReleased(java.awt.event.MouseEvent evt) {
  // TODO add your handling code here:
  x2 = evt.getX();
  y2 = evt.getY();
 }

 /**
  * @param args the command line arguments
  */
 public static void main(String args[]) {
  /* Set the Nimbus look and feel */
  //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
  /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
   * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
   */
  try {
   for (javax.swing.UIManager.LookAndFeelInfo info: javax.swing.UIManager.getInstalledLookAndFeels()) {
    if ("Nimbus".equals(info.getName())) {
     javax.swing.UIManager.setLookAndFeel(info.getClassName());
     break;
    }
   }
  } catch (ClassNotFoundException ex) {
   java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  } catch (InstantiationException ex) {
   java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  } catch (IllegalAccessException ex) {
   java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  } catch (javax.swing.UnsupportedLookAndFeelException ex) {
   java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
  }
  //</editor-fold>

  /* Create and display the form */
  java.awt.EventQueue.invokeLater(new Runnable() {
   public void run() {
    new NewJFrame().setVisible(true);
   }
  });
 }

 // Variables declaration - do not modify
 private javax.swing.ButtonGroup buttonGroup1;
 private javax.swing.JButton jButton1;
 private javax.swing.JPanel jPanel1;
 private javax.swing.JRadioButton jRadioButton1;
 private javax.swing.JRadioButton jRadioButton2;
 // End of variables declaration
}