jframekalkulator.java

this program is very interesting for to calculate with simple operation and advance operation. simpl

                //   jRadioButton1.setEnabled(true);
                //   jRadioButton2.setEnabled(true);
            } 
            else{
                cond1=false;
                cond5=true;
                pressed=false;
                jTextHasil.setBackground(Color.LIGHT_GRAY);
                s="0";s1="";s2="";
                jTextHasil.setText(s);
                jButtonPower.setLabel("ON");
             //   jButtonType.setLabel("Simple");
                jButtonKuadrat.setEnabled(false);
                jButtonTitik.setEnabled(false);
                jButtonkali.setEnabled(false);
                jButtonPangkat.setEnabled(false);
                jButtonNo1.setEnabled(false);
                jButtonTan.setEnabled(false);
                jButtonAkar2.setEnabled(false);
                jButtonPhi.setEnabled(false);
                jButtonNo2.setEnabled(false);
                jButtonCos.setEnabled(false);
                jButtonNo5.setEnabled(false);
                jButtonSin.setEnabled(false);
                jButtonNo8.setEnabled(false);
                jButtonNo9.setEnabled(false);
                jButtonDel.setEnabled(false);
                jButtonBagi.setEnabled(false);
                jButtonAc.setEnabled(false);
                jButtonKurang.setEnabled(false);
                jButtonNo7.setEnabled(false);
                jButtonNo4.setEnabled(false);
                jButtonNo0.setEnabled(false);
                jButtonShift.setEnabled(false);
                jButtonNo6.setEnabled(false);
                jButtonTambah.setEnabled(false);
                jButtonFakrotial.setEnabled(false);
                jButtonSamaDengan.setEnabled(false);
                jButtonNo3.setEnabled(false);
                jButtonType.setEnabled(false);
                jButton1bagiX.setEnabled(false);
                jButtonPersen.setEnabled(false);
                jButtonPlusMinus.setEnabled(false);
                jButtonCatatan.setEnabled(false);
                jRadioButton1.setEnabled(false);
                jRadioButton2.setEnabled(false);
            }
        }
    }//GEN-LAST:event_jButtonPowerActionPerformed
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new JFrameKalkulator().setVisible(true);
            }
        });
    }
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.ButtonGroup buttonGroup1;
    private javax.swing.JButton jButton1bagiX;
    private javax.swing.JButton jButtonAc;
    private javax.swing.JButton jButtonAkar2;
    private javax.swing.JButton jButtonBagi;
    private javax.swing.JButton jButtonCatatan;
    private javax.swing.JButton jButtonCos;
    private javax.swing.JButton jButtonDel;
    private javax.swing.JButton jButtonFakrotial;
    private javax.swing.JButton jButtonKuadrat;
    private javax.swing.JButton jButtonKurang;
    private javax.swing.JButton jButtonNo0;
    private javax.swing.JButton jButtonNo1;
    private javax.swing.JButton jButtonNo2;
    private javax.swing.JButton jButtonNo3;
    private javax.swing.JButton jButtonNo4;
    private javax.swing.JButton jButtonNo5;
    private javax.swing.JButton jButtonNo6;
    private javax.swing.JButton jButtonNo7;
    private javax.swing.JButton jButtonNo8;
    private javax.swing.JButton jButtonNo9;
    private javax.swing.JButton jButtonPangkat;
    private javax.swing.JButton jButtonPersen;
    private javax.swing.JButton jButtonPhi;
    private javax.swing.JButton jButtonPlusMinus;
    private javax.swing.JButton jButtonPower;
    private javax.swing.JButton jButtonSamaDengan;
    private javax.swing.JButton jButtonShift;
    private javax.swing.JButton jButtonSin;
    private javax.swing.JButton jButtonTambah;
    private javax.swing.JButton jButtonTan;
    private javax.swing.JButton jButtonTitik;
    private javax.swing.JButton jButtonType;
    private javax.swing.JButton jButtonkali;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel1Kanan;
    private javax.swing.JLabel jLabelHeader;
    private javax.swing.JLabel jLabelKiri;
    private javax.swing.JLabel jLabelSampingkanan;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JPanel jPanel3;
    private javax.swing.JRadioButton jRadioButton1;
    private javax.swing.JRadioButton jRadioButton2;
    private java.awt.TextArea jTextCatatan;
    private javax.swing.JTextField jTextHasil;
    // End of variables declaration//GEN-END:variables

    private String s="0",s1="",s2="",op="",s3="";
    private double m=0,n=0,mem=0;
    private Panel p1,p2,p3,p4,p5,p6,p7,p8;
    private boolean cond=false,cond1=false,cond2=false,cond3=false,cond4=false,cond5=true,pressed=false,
            catananPressed=false;
    /*
	the conditions :
	1:cond  :kondisi untuk button advance
	2:cond1 :kondisi untuk button Power
	3:cond3 :kondisi untuk  radio button radian or degrees
	4:cond4 :kondisi untuk Button catatan
	5:cond5 :kondisi untuk Button titik
	6:pressed for making the textfield = "" after any calculation
	
	
*/
    public void calculate()
	{
				double l=0;
				int o=0;
				String opp="";
				s2=s;
				s="0";
				m=Double.valueOf(s1).doubleValue();
				n=Double.valueOf(s2).doubleValue();
				opp=op;

				if (op.compareTo("+")==0)
					{
						l=m+n;
						op="";
                                                jTextCatatan.append("\n" + m +" + "+n+" = "+l +"\n-------------------");
					}
				else if (op.compareTo("-")==0)
					{
						l=m-n;
						op="";
                                                jTextCatatan.append("\n" + m +" - "+n+" = "+l +"\n-------------------");
					}
				else if (op.compareTo("x")==0)
					{
						l=m*n;
						op="";
                                                jTextCatatan.append("\n" + m +" x "+n+" = "+l +"\n-------------------");
					}
				else if (op.compareTo("/")==0)
					{
						l=m/n;
						op="";
                                                jTextCatatan.append("\n" + m +" : "+n+" = "+l +"\n-------------------");
					}
				else if (op.compareTo("")==0)
					{
						l=Double.valueOf(s2).doubleValue();
					}

				else if (op.compareTo("^")==0)
					{
						o=Integer.valueOf(s2).intValue();
						l= M1ruMath.pangkatN(m,o);
						op="";
                                                jTextCatatan.append("\n" + m +" pangkat "+o+" = "+l +"\n-------------------");
					}
				cond5=true;
				pressed=true;
				s=""+l;
				jTextHasil.setText(s);

			}
    
    public void keyPressed(KeyEvent e)
	{
			
		double ac=e.getKeyCode();

		if((ac==13)||(ac==10))
			calculate();
		else if(ac==8)
			{
				if(s.compareTo("")==0)
					jTextHasil.setText("Error");
				else
					{
						s=s.substring(0,s.length()-1);
						jTextHasil.setText(s);
					}
			}
	}
    public void keyTyped(KeyEvent e)
	{
		char ch;
		ch=e.getKeyChar();
		if ((ch=='1')||(ch=='2')||(ch=='3')||(ch=='4')||(ch=='5')||(ch=='6')||(ch=='7')||(ch=='8')||(ch=='9')||(ch=='0'))
		{   if(pressed)
			{
				s="0";
				pressed=false;
			}
			if(s=="0")
				s=""+ch;
			else s=s+ch;
		}
		else if(ch=='.'&&cond5)
		{
			if(pressed)
			{
				s="0";
				pressed=false;
			}
			s=s+ch;
			cond5=false;
		}
		else if((ch=='+')||(ch=='-')||(ch=='*')||(ch=='/'))
			{
				op=""+ch;
				s1=s;
				s="0";
			}
			else if(ch=='=')
				calculate();

		jTextHasil.setText(s);
	}
    	public void keyReleased(KeyEvent e)
	{
	}

	public void itemStateChanged(ItemEvent e)
	{
	} 

    public void actionPerformed(ActionEvent e) {
        if ( e.getSource()==jButtonCatatan)//buat munculin catatan
        {
            if (!catananPressed)
            {
                jButtonCatatan.setText("Close");
                jButtonCatatan.setToolTipText("catatan akan di tutup");
                catananPressed = true;
                jTextCatatan.setEnabled(true);
            }
            else
            {
                jButtonCatatan.setText("Catatan");
                jButtonCatatan.setToolTipText("catatan akan di Buka");
                catananPressed = false;
                jTextCatatan.setEnabled(false);
            }
        }
        else if (e.getSource()==jButtonType)//buat advanced button
		{
			if(!cond)
			{
				cond=true;
				jButtonType.setLabel("Simple");
				jButtonKuadrat.setEnabled(true);
                                jButtonPangkat.setEnabled(true);
                                jButtonAkar2.setEnabled(true);
                                jButtonPhi.setEnabled(true);
                                jButtonCos.setEnabled(true);
                                jButtonSin.setEnabled(true);
                                jButtonTan.setEnabled(true);
                                jButtonShift.setEnabled(true);
                                jButtonFakrotial.setEnabled(true);
                                jButtonPlusMinus.setEnabled(true);
                                jButton1bagiX.setEnabled(true);
                                jButtonPersen.setEnabled(true);
                                jRadioButton1.setEnabled(true);
                                jRadioButton2.setEnabled(true);
                       	}
			else
			{
				jButtonType.setLabel("Advanced");
				cond=false;
                                jButtonKuadrat.setEnabled(false);
                                jButtonPangkat.setEnabled(false);
                                jButtonAkar2.setEnabled(false);
                                jButtonPhi.setEnabled(false);
                                jButtonCos.setEnabled(false);
                                jButtonSin.setEnabled(false);
                                jButtonTan.setEnabled(false);
                                jButtonShift.setEnabled(false);
                                jButtonFakrotial.setEnabled(false);
                                jButtonPlusMinus.setEnabled(false);
                                jButton1bagiX.setEnabled(false);
                                jButtonPersen.setEnabled(false);
                                jRadioButton1.setEnabled(false);
                                jRadioButton2.setEnabled(false);
			}
		}
        else if(e.getSource()==jButtonTitik)//semicolon
			{
				if(pressed)
				{
					s="0";
					pressed=false;
				}
				if (cond5)
				{
					s=s+".";
					cond5=false;
					jTextHasil.setText(s);
				}
			}