Este exemplo faz parte de um software de controle financeiro proprietário, que uma das opções contém uma tela p/ controle de movimentação de conta com 4 abas:
- Entrada
- Transferência
- Retirada
- Cheque
veja a tela que chama a calculadora :
 |
| o ícone calculadora ao lado do campo valor que chama o calculadora.java |
Esta Tela é um exemplo de uma aplicação MDI que contém um JDesktop principal e JInternalFrames como as janelas. A calculadora será adicionada ao JDesktop para uso.
Trecho da Classe JIRelatorioConta - que é o Frame de movimentação e chama as calculadoras:
----------------------------------------------------
import controller.*;
import java.awt.Desktop;
import lib.FormUtils;
import lib.calculadora;
import model.*;
public class JIRelatorioConta extends javax.swing.JInternalFrame {
.....
//actions dos botoes
private void jBtCalculadoraEActionPerformed(java.awt.event.ActionEvent evt) {
abrirCalculadora(jTValorE,'E');
}
private void jBtCalculadoraTActionPerformed(java.awt.event.ActionEvent evt) {
abrirCalculadora(jTValorT,'T');
}
private void jBtCalculadoraRActionPerformed(java.awt.event.ActionEvent evt) {
abrirCalculadora(jTValorR,'R');
}
private void jBtCalculadoraCActionPerformed(java.awt.event.ActionEvent evt) {
abrirCalculadora(jTValorC,'C');
}
//abre a calculadora
private void abrirCalculadora(JTextField F,char c) {
JDesktopPane desktop = JFMain.getDesktop(); //MDI principal
calculadora calculator = new calculadora(this,F,c);
desktop.add(calculator);
calculator.setVisible(true);
calculator.show();
calculator.requestFocus();
}
//recebe o retorno da calculadora
public void retornoCalculdora(JTextField F, double valor){
F.setText(valor+"");
}
} // fim classe
---------------------------------------------------------------------------------Classe calculadora.java
/* calculadora.java módulo desenvolvido p/ o Software InfoMoney Author : Mario Cezzare Angelicola Chiodi mcezzare@gmail.com */
package lib;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import javax.swing.JTextField;
import view.JIRelatorioConta;
public final class calculadora extends javax.swing.JInternalFrame {
/**
* Creates new form calculadora
*/
JIRelatorioConta Pai;
JTextField F;
FormUtils FU = new FormUtils();
public calculadora() { //esse construtor não será utilizado
initComponents();
setFocusable(true);
}
public calculadora(JIRelatorioConta J, JTextField F, char operacao) {
this.Pai = J; // Frame que abriu
this.F = F; // campo q deverá ser retornado
initComponents();
//precisa fazer isso p/ dar o foco na calculadora e poder utilizar o teclado numérico
setFocusable(true);
this.requestFocusInWindow();
//implementa o KeyListener
this.addKeyListener(kl);
jButton0.addKeyListener(kl);
jButton1.addKeyListener(kl);
jButton2.addKeyListener(kl);
jButton3.addKeyListener(kl);
jButton4.addKeyListener(kl);
jButton5.addKeyListener(kl);
jButton6.addKeyListener(kl);
jButton7.addKeyListener(kl);
jButton8.addKeyListener(kl);
jButton9.addKeyListener(kl);
jBtSoma.addKeyListener(kl);
jBtDivide.addKeyListener(kl);
jBtMultiplica.addKeyListener(kl);
jBtSubtrai.addKeyListener(kl);
preencheLabelCampo(operacao);
}
public double valorAtual = 0;
public double ultimoNumero = 0;
public char operacaoCorrente = '+';
final int INPUT_MODE = 0;
final int RESULT_MODE = 1;
final int ERROR_MODE = 2;
int displayMode;
public char getOperacaoCorrente() {
return operacaoCorrente;
}
public void setOperacaoCorrente(char operacaoCorrente) {
this.operacaoCorrente = operacaoCorrente;
jLbOperacao.setText(operacaoCorrente + "");
}
public double getValorAtual() {
return valorAtual;
}
public double getUltimoNumero() {
return ultimoNumero;
}
public void setUltimoNumero(double ultimoNumero) {
this.ultimoNumero = ultimoNumero;
}
public void setValorAtual(double valorAtual) {
this.valorAtual = valorAtual;
System.out.println("Valor Atual:" + valorAtual);
registra(valorAtual);
jTDisplay.setText(valorAtual + "");
displayMode = RESULT_MODE;
}
//pilhas p/ histórico
ArrayList valores = new ArrayList();
ArrayList operacoes = new ArrayList();
public void empilhaValor(double valor) {
valores.add(valor);
if (valores.size() != 1) {
registra(valor);
}
// System.out.println(valor);
}
public void empilhaOperacao(char C) {
operacoes.add(C);
if (valores.size() != 1) {
registra(C);
}
// System.out.println(C);
}
public void registra(double valor) {
jTHistorico.setText(jTHistorico.getText() + "\n" + valor);
}
public void registra(char op) {
jTHistorico.setText(jTHistorico.getText() + "\n" + op);
}
public double getDisplay() {
double retorno = 0;
try {
retorno = Double.parseDouble(jTDisplay.getText());
} catch (Exception ex) {
System.out.println(ex.getMessage());
}
return retorno;
}
public String getDisplayString() {
return jTDisplay.getText();
}
public void insereDigito(char C) {
if (displayMode == RESULT_MODE) {
FU.LimpaCampo(jTDisplay);
jTDisplay.setText(C + "");
displayMode = INPUT_MODE;
} else {
if (getDisplayString().equals("0") || getDisplayString().equals("")) {
jTDisplay.setText(C + "");
} else {
jTDisplay.setText(getDisplayString() + C + "");
}
}
}
public void insereDigito(int C) {
if (displayMode == RESULT_MODE) {
FU.LimpaCampo(jTDisplay);
jTDisplay.setText(C + "");
displayMode = INPUT_MODE;
} else {
if (getDisplayString().equals("0") || getDisplayString().equals("")) {
jTDisplay.setText(C + "");
} else {
jTDisplay.setText(getDisplayString() + C + "");
}
}
}
public void calcula(char op, double valor) {
double valorAtualTMP = 0;
if (displayMode == RESULT_MODE) {
empilhaOperacao(op);
setValorAtual(valor);
empilhaValor(valor);
displayMode = INPUT_MODE;
jLbOperacao.setText(op + "");
} else {
switch (op) {
case '+':
valorAtualTMP = (this.getValorAtual() + valor);
System.out.println("somando " + getValorAtual() + " com " + valor + " =" + valorAtualTMP);
break;
case '-':
if (valores.isEmpty() || this.getValorAtual() == 0) {
valorAtualTMP = valor;
} else {
valorAtualTMP = (this.getValorAtual() - valor);
}
System.out.println("subtraindo " + getValorAtual() + " com " + valor + " =" + valorAtualTMP);
break;
case '*':
if (valores.isEmpty() || this.getValorAtual() == 0) {
valorAtualTMP = valor;
} else {
valorAtualTMP = (this.getValorAtual() * valor);
}
System.out.println("multiplicando " + getValorAtual() + " com " + valor + " =" + valorAtualTMP);
break;
case '/':
if (valores.isEmpty() || this.getValorAtual() == 0) {
valorAtualTMP = valor;
} else {
valorAtualTMP = (this.getValorAtual() / valor);
}
System.out.println("dividindo " + getValorAtual() + " com " + valor + " =" + valorAtualTMP);
break;
}
}
empilhaValor(valor);
empilhaOperacao(op);
jLbOperacao.setText(op + "");
FU.LimpaCampo(jTDisplay);
setValorAtual(valorAtualTMP);
}
private void limpaTudo() {
valores.clear();
operacoes.clear();
operacaoCorrente = '+';
FU.LimpaCampo(jTHistorico);
setValorAtual(0);
FU.LimpaCampo(jTDisplay);
FU.LimpaCampo(jLbOperacao);
// setOperacaoCorrente();
}
private void mostrarResultado() {
if (getDisplayString().equals("")) {
jTDisplay.setText(getValorAtual() + "");
registra('=');
registra(getDisplay());
} else {
// registra('=');
// registra(getDisplay());
calcula(getOperacaoCorrente(), getDisplay());
}
displayMode = RESULT_MODE;
}
private void retornaPai() {
try {
Pai.retornoCalculdora(this.F, getValorAtual());
this.dispose();
} catch (java.lang.NumberFormatException ex) {
this.dispose();
}
}
/**
* 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")
//
private void initComponents() {
buttonGroup1 = new javax.swing.ButtonGroup();
buttonGroup2 = new javax.swing.ButtonGroup();
jPanel1 = new javax.swing.JPanel();
jTDisplay = new javax.swing.JTextField();
jPanel2 = new javax.swing.JPanel();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
jButton4 = new javax.swing.JButton();
jButton5 = new javax.swing.JButton();
jButton6 = new javax.swing.JButton();
jButton7 = new javax.swing.JButton();
jButton8 = new javax.swing.JButton();
jButton9 = new javax.swing.JButton();
jButton0 = new javax.swing.JButton();
jBtInverte = new javax.swing.JButton();
jBtPonto = new javax.swing.JButton();
jBtSoma = new javax.swing.JButton();
jBtIgual = new javax.swing.JButton();
jBtPorcentagem = new javax.swing.JButton();
jBtSubtrai = new javax.swing.JButton();
jBtMultiplica = new javax.swing.JButton();
jBtDivide = new javax.swing.JButton();
jBtLimpaUltimo = new javax.swing.JButton();
jBtReinicia = new javax.swing.JButton();
jBtLimpaUltimoChar = new javax.swing.JButton();
jScrollPane1 = new javax.swing.JScrollPane();
jTHistorico = new javax.swing.JTextArea();
jLabel3 = new javax.swing.JLabel();
jLbOperacao = new javax.swing.JLabel();
jLabel1 = new javax.swing.JLabel();
jLbCampo = new javax.swing.JLabel();
setClosable(true);
setTitle("Calculadora");
setFrameIcon(new javax.swing.ImageIcon(getClass().getResource("/images/ico_calculator.png"))); // NOI18N
addInternalFrameListener(new javax.swing.event.InternalFrameListener() {
public void internalFrameOpened(javax.swing.event.InternalFrameEvent evt) {
}
public void internalFrameClosing(javax.swing.event.InternalFrameEvent evt) {
// aqui que chamamos o retorno p/ o campo da janela pai
IlClose(evt);
}
public void internalFrameClosed(javax.swing.event.InternalFrameEvent evt) {
}
public void internalFrameIconified(javax.swing.event.InternalFrameEvent evt) {
}
public void internalFrameDeiconified(javax.swing.event.InternalFrameEvent evt) {
}
public void internalFrameActivated(javax.swing.event.InternalFrameEvent evt) {
}
public void internalFrameDeactivated(javax.swing.event.InternalFrameEvent evt) {
}
});
jPanel1.setBorder(new javax.swing.border.LineBorder(new java.awt.Color(0, 0, 0), 1, true));
jTDisplay.setEditable(false);
jTDisplay.setText("0");
jPanel2.setBorder(javax.swing.BorderFactory.createCompoundBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)), javax.swing.BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.RAISED)));
jButton1.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jButton1.setForeground(new java.awt.Color(0, 51, 255));
jButton1.setMnemonic(KeyEvent.VK_1);
jButton1.setText("1");
jButton1.setToolTipText("1");
buttonGroup1.add(jButton1);
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButton2.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jButton2.setForeground(new java.awt.Color(0, 51, 255));
jButton2.setText("2");
jButton2.setToolTipText("2");
buttonGroup1.add(jButton2);
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
jButton3.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jButton3.setForeground(new java.awt.Color(0, 51, 255));
jButton3.setText("3");
jButton3.setToolTipText("3");
buttonGroup1.add(jButton3);
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});
jButton4.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jButton4.setForeground(new java.awt.Color(0, 51, 255));
jButton4.setText("4");
jButton4.setToolTipText("4");
buttonGroup1.add(jButton4);
jButton4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton4ActionPerformed(evt);
}
});
jButton5.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jButton5.setForeground(new java.awt.Color(0, 51, 255));
jButton5.setText("5");
jButton5.setToolTipText("5");
buttonGroup1.add(jButton5);
jButton5.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton5ActionPerformed(evt);
}
});
jButton6.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jButton6.setForeground(new java.awt.Color(0, 51, 255));
jButton6.setText("6");
jButton6.setToolTipText("6");
buttonGroup1.add(jButton6);
jButton6.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton6ActionPerformed(evt);
}
});
jButton7.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jButton7.setForeground(new java.awt.Color(0, 51, 255));
jButton7.setText("7");
jButton7.setToolTipText("7");
buttonGroup1.add(jButton7);
jButton7.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton7ActionPerformed(evt);
}
});
jButton8.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jButton8.setForeground(new java.awt.Color(0, 51, 255));
jButton8.setText("8");
jButton8.setToolTipText("8");
buttonGroup1.add(jButton8);
jButton8.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton8ActionPerformed(evt);
}
});
jButton9.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jButton9.setForeground(new java.awt.Color(0, 51, 255));
jButton9.setText("9");
jButton9.setToolTipText("9");
buttonGroup1.add(jButton9);
jButton9.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton9ActionPerformed(evt);
}
});
jButton0.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jButton0.setForeground(new java.awt.Color(0, 51, 255));
jButton0.setMnemonic(KeyEvent.VK_0);
jButton0.setText("0");
jButton0.setToolTipText("0");
buttonGroup1.add(jButton0);
jButton0.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton0ActionPerformed(evt);
}
});
jBtInverte.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jBtInverte.setForeground(new java.awt.Color(255, 0, 0));
jBtInverte.setText("+/-");
jBtInverte.setToolTipText("Inverte +/-");
buttonGroup2.add(jBtInverte);
jBtInverte.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jBtInverteActionPerformed(evt);
}
});
jBtPonto.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jBtPonto.setForeground(new java.awt.Color(255, 0, 0));
jBtPonto.setText(".");
jBtPonto.setToolTipText(".");
buttonGroup2.add(jBtPonto);
jBtPonto.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jBtPontoActionPerformed(evt);
}
});
jBtSoma.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jBtSoma.setForeground(new java.awt.Color(255, 0, 0));
jBtSoma.setText("+");
jBtSoma.setToolTipText("+");
buttonGroup2.add(jBtSoma);
jBtSoma.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jBtSomaActionPerformed(evt);
}
});
jBtIgual.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jBtIgual.setForeground(new java.awt.Color(255, 0, 0));
jBtIgual.setText("=");
jBtIgual.setToolTipText("=");
buttonGroup2.add(jBtIgual);
jBtIgual.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jBtIgualActionPerformed(evt);
}
});
jBtPorcentagem.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jBtPorcentagem.setForeground(new java.awt.Color(255, 0, 0));
jBtPorcentagem.setText("%");
jBtPorcentagem.setToolTipText("%");
buttonGroup2.add(jBtPorcentagem);
jBtPorcentagem.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jBtPorcentagemActionPerformed(evt);
}
});
jBtSubtrai.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jBtSubtrai.setForeground(new java.awt.Color(255, 0, 0));
jBtSubtrai.setText("-");
jBtSubtrai.setToolTipText("-");
buttonGroup2.add(jBtSubtrai);
jBtSubtrai.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jBtSubtraiActionPerformed(evt);
}
});
jBtMultiplica.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jBtMultiplica.setForeground(new java.awt.Color(255, 0, 0));
jBtMultiplica.setText("*");
jBtMultiplica.setToolTipText("*");
buttonGroup2.add(jBtMultiplica);
jBtMultiplica.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jBtMultiplicaActionPerformed(evt);
}
});
jBtDivide.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jBtDivide.setForeground(new java.awt.Color(255, 0, 0));
jBtDivide.setText("/");
jBtDivide.setToolTipText("/");
buttonGroup2.add(jBtDivide);
jBtDivide.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jBtDivideActionPerformed(evt);
}
});
jBtLimpaUltimo.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jBtLimpaUltimo.setForeground(new java.awt.Color(255, 0, 0));
jBtLimpaUltimo.setText("C");
jBtLimpaUltimo.setToolTipText("Limpar último valor");
buttonGroup2.add(jBtLimpaUltimo);
jBtLimpaUltimo.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jBtLimpaUltimoActionPerformed(evt);
}
});
jBtReinicia.setFont(new java.awt.Font("Lucida Grande", 1, 10)); // NOI18N
jBtReinicia.setForeground(new java.awt.Color(255, 0, 0));
jBtReinicia.setText("CE");
jBtReinicia.setToolTipText("Limpar Tudo");
buttonGroup2.add(jBtReinicia);
jBtReinicia.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jBtReiniciaActionPerformed(evt);
}
});
jBtLimpaUltimoChar.setFont(new java.awt.Font("Lucida Grande", 1, 12)); // NOI18N
jBtLimpaUltimoChar.setForeground(new java.awt.Color(255, 0, 0));
jBtLimpaUltimoChar.setText("Backspace");
jBtLimpaUltimoChar.setToolTipText("Apaga o último caracter");
buttonGroup2.add(jBtLimpaUltimoChar);
jBtLimpaUltimoChar.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jBtLimpaUltimoCharActionPerformed(evt);
}
});
jTHistorico.setColumns(20);
jTHistorico.setEditable(false);
jTHistorico.setFont(new java.awt.Font("Lucida Grande", 0, 10)); // NOI18N
jTHistorico.setLineWrap(true);
jTHistorico.setRows(5);
jScrollPane1.setViewportView(jTHistorico);
jLabel3.setText("Próxima Operação:");
jLbOperacao.setForeground(new java.awt.Color(204, 0, 0));
jLbOperacao.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));
org.jdesktop.layout.GroupLayout jPanel2Layout = new org.jdesktop.layout.GroupLayout(jPanel2);
jPanel2.setLayout(jPanel2Layout);
jPanel2Layout.setHorizontalGroup(
jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel2Layout.createSequentialGroup()
.add(7, 7, 7)
.add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel2Layout.createSequentialGroup()
.add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel2Layout.createSequentialGroup()
.add(jButton7, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(5, 5, 5)
.add(jButton8, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(5, 5, 5)
.add(jButton9, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(jPanel2Layout.createSequentialGroup()
.add(jButton4, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(5, 5, 5)
.add(jButton5, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(5, 5, 5)
.add(jButton6, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(jPanel2Layout.createSequentialGroup()
.add(jButton1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(5, 5, 5)
.add(jButton2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(5, 5, 5)
.add(jButton3, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(jPanel2Layout.createSequentialGroup()
.add(jButton0, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(5, 5, 5)
.add(jBtInverte, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(5, 5, 5)
.add(jBtPonto, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)))
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jBtDivide, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jBtMultiplica, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jBtSubtrai, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jBtSoma, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(5, 5, 5)
.add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jBtLimpaUltimo, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jBtReinicia, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jBtPorcentagem, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jBtIgual, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 50, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)))
.add(jPanel2Layout.createSequentialGroup()
.add(jBtLimpaUltimoChar)
.add(18, 18, 18)
.add(jLabel3)
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(jLbOperacao, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 35, Short.MAX_VALUE)))
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED, 18, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 140, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
);
jPanel2Layout.setVerticalGroup(
jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel2Layout.createSequentialGroup()
.add(7, 7, 7)
.add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel2Layout.createSequentialGroup()
.add(jScrollPane1)
.addContainerGap())
.add(jPanel2Layout.createSequentialGroup()
.add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
.add(jBtLimpaUltimoChar, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jLabel3))
.add(jPanel2Layout.createSequentialGroup()
.add(8, 8, 8)
.add(jLbOperacao, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 14, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)))
.add(18, 18, 18)
.add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel2Layout.createSequentialGroup()
.add(jBtDivide, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(10, 10, 10)
.add(jBtMultiplica, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(10, 10, 10)
.add(jBtSubtrai, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(10, 10, 10)
.add(jBtSoma, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(jPanel2Layout.createSequentialGroup()
.add(jBtLimpaUltimo, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(10, 10, 10)
.add(jBtReinicia, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(10, 10, 10)
.add(jBtPorcentagem, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(10, 10, 10)
.add(jBtIgual, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(jPanel2Layout.createSequentialGroup()
.add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jButton7, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jButton8, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jButton9, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(10, 10, 10)
.add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jButton4, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jButton5, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jButton6, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(10, 10, 10)
.add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jButton1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jButton2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jButton3, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(10, 10, 10)
.add(jPanel2Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jButton0, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jBtInverte, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jBtPonto, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 30, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))))
.add(0, 0, Short.MAX_VALUE))))
);
org.jdesktop.layout.GroupLayout jPanel1Layout = new org.jdesktop.layout.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.add(jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(org.jdesktop.layout.GroupLayout.TRAILING, jPanel2, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.add(org.jdesktop.layout.GroupLayout.TRAILING, jTDisplay))
.addContainerGap())
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.add(jTDisplay, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(jPanel2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.addContainerGap(org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jLabel1.setFont(new java.awt.Font("Lucida Grande", 0, 10)); // NOI18N
jLabel1.setText("Calculando valores para o Campo:");
jLbCampo.setFont(new java.awt.Font("Lucida Grande", 0, 10)); // NOI18N
jLbCampo.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));
org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.addContainerGap()
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.add(jLabel1)
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(jLbCampo, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.add(jPanel1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(org.jdesktop.layout.GroupLayout.TRAILING, layout.createSequentialGroup()
.addContainerGap()
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
.add(jLabel1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.add(jLbCampo, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 15, Short.MAX_VALUE))
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(jPanel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.addContainerGap(org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
pack();
}//
private void jBtDivideActionPerformed(java.awt.event.ActionEvent evt) {
divide();
}
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
insereDigito('1');
}
private void jButton0ActionPerformed(java.awt.event.ActionEvent evt) {
insereDigito('0');
}
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
insereDigito('2');
}
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
insereDigito('3');
}
private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
insereDigito('4');
}
private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
insereDigito('5');
}
private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {
insereDigito('6');
}
private void jButton7ActionPerformed(java.awt.event.ActionEvent evt) {
insereDigito('7');
}
private void jButton8ActionPerformed(java.awt.event.ActionEvent evt) {
insereDigito('8');
}
private void jButton9ActionPerformed(java.awt.event.ActionEvent evt) {
insereDigito('9');
}
private void jBtPontoActionPerformed(java.awt.event.ActionEvent evt) {
insereDigito('.');
}
private void jBtSomaActionPerformed(java.awt.event.ActionEvent evt) {
soma();
}
private void IlClose(javax.swing.event.InternalFrameEvent evt) {
retornaPai();
System.out.println("fechando calculadora");
}
private void jBtSubtraiActionPerformed(java.awt.event.ActionEvent evt) {
subtrai();
}
private void jBtMultiplicaActionPerformed(java.awt.event.ActionEvent evt) {
multiplica();
}
private void jBtReiniciaActionPerformed(java.awt.event.ActionEvent evt) {
limpaTudo();
}
private void jBtIgualActionPerformed(java.awt.event.ActionEvent evt) {
mostrarResultado();
}
private void jBtLimpaUltimoActionPerformed(java.awt.event.ActionEvent evt) {
FU.LimpaCampo(jTDisplay);
}
private void jBtLimpaUltimoCharActionPerformed(java.awt.event.ActionEvent evt) {
removeUltimoDigito();
}
private void jBtInverteActionPerformed(java.awt.event.ActionEvent evt) {
inverteSinal();
}
private void jBtPorcentagemActionPerformed(java.awt.event.ActionEvent evt) {
calculaPorcentagem();
}
// Variables declaration - do not modify
private javax.swing.ButtonGroup buttonGroup1;
private javax.swing.ButtonGroup buttonGroup2;
private javax.swing.JButton jBtDivide;
private javax.swing.JButton jBtIgual;
private javax.swing.JButton jBtInverte;
private javax.swing.JButton jBtLimpaUltimo;
private javax.swing.JButton jBtLimpaUltimoChar;
private javax.swing.JButton jBtMultiplica;
private javax.swing.JButton jBtPonto;
private javax.swing.JButton jBtPorcentagem;
private javax.swing.JButton jBtReinicia;
private javax.swing.JButton jBtSoma;
private javax.swing.JButton jBtSubtrai;
private javax.swing.JButton jButton0;
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JButton jButton4;
private javax.swing.JButton jButton5;
private javax.swing.JButton jButton6;
private javax.swing.JButton jButton7;
private javax.swing.JButton jButton8;
private javax.swing.JButton jButton9;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLbCampo;
private javax.swing.JLabel jLbOperacao;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextField jTDisplay;
private javax.swing.JTextArea jTHistorico;
// End of variables declaration
private void removeUltimoDigito() {
jTDisplay.setText(getDisplayString().substring(0, getDisplayString().length() - 1));
}
private void soma() {
setOperacaoCorrente('+');
if (displayMode == INPUT_MODE) {
calcula('+', getDisplay());
}
}
private void subtrai() {
setOperacaoCorrente('-');
if (displayMode == INPUT_MODE) {
calcula('-', getDisplay());
}
}
private void multiplica() {
setOperacaoCorrente('*');
if (displayMode == INPUT_MODE) {
calcula('*', getDisplay());
}
}
private void divide() {
setOperacaoCorrente('/');
if (displayMode == INPUT_MODE) {
calcula('/', getDisplay());
}
}
//controle dos botoes do teclado
@Override
public synchronized void addKeyListener(KeyListener kl) {
super.addKeyListener(kl);
}
KeyListener kl = new KeyAdapter() {
@Override
public void keyTyped(KeyEvent ke) {
System.out.println(ke.getKeyCode());
System.out.println(ke.getKeyChar());
if (ke.getKeyChar() == '0') {
insereDigito(0);
}
// if (ke.getKeyCode() == KeyEvent.VK_1) {
if (ke.getKeyChar() == '1') {
insereDigito(1);
}
// if (ke.getKeyCode() == KeyEvent.VK_2) {
if (ke.getKeyChar() == '2') {
insereDigito(2);
}
// if (ke.getKeyCode() == KeyEvent.VK_3) {
if (ke.getKeyChar() == '3') {
insereDigito(3);
}
if (ke.getKeyChar() == '4') {
insereDigito(4);
}
if (ke.getKeyChar() == '5') {
insereDigito(5);
}
if (ke.getKeyChar() == '6') {
insereDigito(6);
}
if (ke.getKeyChar() == '7') {
insereDigito(7);
}
if (ke.getKeyChar() == '8') {
insereDigito(8);
}
if (ke.getKeyChar() == '9') {
insereDigito(9);
}
if (ke.getKeyChar() == '.') {
insereDigito('.');
}
if (ke.getKeyChar() == '+') {
soma();
}
// if (ke.getKeyCode() == KeyEvent.VK_LESS) {
if (ke.getKeyChar() == '-') {
subtrai();
}
// if (ke.getKeyCode() == KeyEvent.VK_MULTIPLY) {
if (ke.getKeyChar() == '*') {
multiplica();
}
// if (ke.getKeyCode() == KeyEvent.VK_DIVIDE) {
if (ke.getKeyChar() == '/') {
divide();
}
// if (ke.getKeyCode() == KeyEvent.VK_EQUALS) {
if (ke.getKeyChar() == '=') {
mostrarResultado();
}
if (ke.getKeyChar() == '%') {
calculaPorcentagem();
}
if (ke.getKeyChar() == 'c') {
FU.LimpaCampo(jTDisplay);
}
if (ke.getKeyCode() == 10) {
mostrarResultado();
}
}
@Override
public void keyPressed(KeyEvent ke) {
System.out.println(ke.getKeyCode());
System.out.println(ke.getKeyChar());
}
@Override
public void keyReleased(KeyEvent ke) {
System.out.println(ke.getKeyCode());
System.out.println(ke.getKeyChar());
}
// }
};
private void inverteSinal() {
setValorAtual(getDisplay() * (-1));
}
private void calculaPorcentagem() {
setValorAtual(getDisplay() / (100));
}
private void preencheLabelCampo(char c) {
String saida = "";
switch (c) {
case 'E':
saida = "valor entrada";
break;
case 'T':
saida = "valor transferência";
break;
case 'R':
saida = "valor retirada";
break;
case 'C':
saida = "valor cheque";
break;
}
jLbCampo.setText(saida);
}
}
--------------------------------------------------------------------------------só p/ constar. Essa classe FormUtils, eu uso p/ limpar os campos, listas, tabelas, etc segue abaixo essa classe :
package lib;
import javax.swing.*;
import javax.swing.table.DefaultTableModel;
public class FormUtils {
public FormUtils() {
}
public void LimpaCampo(JTextField T) {
T.setText(null);
}
public void LimpaCampo(JTextArea T) {
T.setText(null);
T.setText("");
}
public void LimpaCampo(JLabel L) {
L.setText(null);
L.setToolTipText(null);
}
public void LimpaCampo(JList L) {
L.removeAll();
}
public void LimpaCampo(JComboBox C) {
if (C.isEnabled() && C.isValid()) {
C.removeAllItems();
}
}
public void LimpaCombo(JComboBox C) {
C.removeAllItems();
}
public void LimpaCampo(JCheckBox C) {
C.setSelected(false);
}
public void limpaTabela(JTable J) throws Exception {
int totalLinha = J.getRowCount();
int totalColuna = J.getColumnCount();
if (totalLinha > -1) {
for (int i = 0; i < totalLinha; i++) {
for (int j = 0; j < totalColuna; j++) {
J.getModel().setValueAt(null, i, j);
}
}
}
}
public void limpaTabela(JTable J, DefaultTableModel M) throws Exception {
int totalLinha = J.getRowCount();
int totalColuna = J.getColumnCount();
for (int i = 0; i <= M.getRowCount(); i++) {
try {
M.removeRow(i);
} catch (java.lang.ArrayIndexOutOfBoundsException E) {
}
}
if (totalLinha > -1) {
for (int i = 0; i < totalLinha; i++) {
for (int j = 0; j < totalColuna; j++) {
try {
J.getModel().setValueAt(null, i, j);
M.removeRow(i);
} catch (Exception E) {// java.lang.ArrayIndexOutOfBoundsException E) {
}
}
}
}
}
}
Nenhum comentário:
Postar um comentário