Duvida -JComboBox

2 respostas
leo.mendes

Pessoal,alguem pode me dizer onde está meu erro, não to conseguindo achar:
to tentando criar uma lista com jComboBox mas não consigo criar o jcbagentes.addItem(xxx)..."iniciante é roça!!!rsrsrsrsrsrs"

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * BuscaEventos.java
 *
 * Created on 02/09/2009, 13:16:47
 */

package br.com.Work.Audit;

import br.com.Work.Audit.Operadores.OperadoresBean;
import br.com.Work.Audit.Operadores.OperadoresControl;
import java.util.List;
import javax.swing.JComboBox;

/**
 *
 * @author leonardo
 */
public class BuscaEventos extends javax.swing.JFrame {

    OperadoresBean doperdores = new OperadoresBean();
    List<OperadoresBean> listaOp;

    /** Creates new form BuscaEventos */
    public BuscaEventos() {
        initComponents();
        listarOperadores();
        
    }
    
    
    /** 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() {

        javax.swing.JFormattedTextField jFormattedTextField1 = new javax.swing.JFormattedTextField();
        javax.swing.JLabel jLabel1 = new javax.swing.JLabel();
        javax.swing.JLabel jLabel2 = new javax.swing.JLabel();
        javax.swing.JFormattedTextField ftfDataInicial = new javax.swing.JFormattedTextField();
        javax.swing.JFormattedTextField ftfDataFinal = new javax.swing.JFormattedTextField();
        javax.swing.JLabel jLabel3 = new javax.swing.JLabel();
        javax.swing.JLabel jLabel4 = new javax.swing.JLabel();
        javax.swing.JTextField tfCampanha = new javax.swing.JTextField();
        javax.swing.JButton jButton1 = new javax.swing.JButton();
        javax.swing.JLabel jLabel5 = new javax.swing.JLabel();
        javax.swing.JComboBox jcbagentes = new javax.swing.JComboBox();

        jFormattedTextField1.setText("jFormattedTextField1");

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jLabel1.setText("Data Inicial");

        jLabel2.setText("Data Final");

        ftfDataInicial.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                ftfDataInicialActionPerformed(evt);
            }
        });

        jLabel3.setText("Operador");

        jLabel4.setText("Campanha");

        jButton1.setText("Buscar Eventos");

        jLabel5.setText("Busca Eventos de Operadores");

        jcbagentes.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));
        jcbagentes.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jcbagentesActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(40, 40, 40)
                        .addComponent(jLabel5))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel1)
                                .addGap(2, 2, 2)
                                .addComponent(ftfDataInicial, javax.swing.GroupLayout.PREFERRED_SIZE, 138, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel3)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                .addComponent(jcbagentes, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 38, Short.MAX_VALUE)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel2)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                .addComponent(ftfDataFinal, javax.swing.GroupLayout.PREFERRED_SIZE, 120, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel4)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(tfCampanha, javax.swing.GroupLayout.PREFERRED_SIZE, 87, javax.swing.GroupLayout.PREFERRED_SIZE))))
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jButton1)))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jLabel5)
                        .addGap(28, 28, 28)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jLabel3)
                            .addComponent(jcbagentes, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(tfCampanha, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(jLabel4)))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jLabel1)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(ftfDataInicial, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(ftfDataFinal, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 14, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(jButton1)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>                        
    private void listarOperadores(){
        OperadoresControl op = new OperadoresControl();
        listaOp = op.buscaOperadores("%%");

        
        
        

    }
    public void mostraragentes(List<OperadoresBean> opBean){

    }
    public void montaLista(){
        String[] operadores = new String[]{};
        for(int i=0;i<listaOp.size();i++){

        }
    }
    private void ftfDataInicialActionPerformed(java.awt.event.ActionEvent evt) {                                               
        
}                                              

    private void jcbagentesActionPerformed(java.awt.event.ActionEvent evt) {                                           

    }                                          

    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new BuscaEventos().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    // End of variables declaration                   

}
>

2 Respostas

C

entao voce esta fazendo atraves do netbeans

ele cria sozinha 4 itens

se for em propriedades da combo tem a opcao para adicionar mais

espero ter ajudado

leo.mendes

Descobri como resolver:
Eu não conseguia chamar os metodos do JComboBox por ele estava declarado como variavel e não como um campo.
Cliquei com o botão direito sobre o combobox e na opção personalizar codigo, no rodapé deste item achei a opção de mudar de variavel para campo,daí funcionou.
Valei cara!

Criado 9 de setembro de 2009
Ultima resposta 11 de set. de 2009
Respostas 2
Participantes 2