Examples of java.awt.Checkbox

java.awt.Checkbox
A check box is a graphical component that can be in either an "on" (true) or "off" (false) state. Clicking on a check box changes its state from "on" to "off," or from "off" to "on."
The following code example creates a set of check boxes in a grid layout:
```
 setLayout(new GridLayout(3, 1)); add(new Checkbox("one", null, true)); add(new Checkbox("two")); add(new Checkbox("three")); 
```
This image depicts the check boxes and grid layout created by this code example:

The button labeled one is in the "on" state, and the other two are in the "off" state. In this example, which uses the GridLayout class, the states of the three check boxes are set independently.
Alternatively, several check boxes can be grouped together under the control of a single object, using the CheckboxGroup class. In a check box group, at most one button can be in the "on" state at any given time. Clicking on a check box to turn it on forces any other check box in the same group that is on into the "off" state. @version 1.89 10/31/08 @author Sami Shaio @see java.awt.GridLayout @see java.awt.CheckboxGroup @since JDK1.0

  }


  class CheckBoxPaymentListener implements ItemListener {


    public void itemStateChanged(ItemEvent e) {
      Checkbox cb = cbg.getSelectedCheckbox();
      if (cb.getLabel().toString().equalsIgnoreCase("No")) {


        txtDeemUsed.setText("0");
        txtDeemUsed.setEnabled(false);


      } else if (cb.getLabel().toString().equalsIgnoreCase("Yes")) {
        if (checkDeemPointValue() == true) {
          txtDeemUsed.setText("0");
          txtDeemUsed.setEnabled(true);
        } else {
          showErrMsgForDeemPoint();

View Full Code Here

  }


  class CheckBoxMemberListener implements ItemListener {


    public void itemStateChanged(ItemEvent e) {
      Checkbox cb = cbgMember.getSelectedCheckbox();
      if (cb.getLabel().toString().equalsIgnoreCase("Member")) {


        txtMemberId.setText("");
        txtMemberId.setEnabled(true);
        chkYes.setEnabled(true);
        lblDiscountValue.setText(discountManager.getMaxMemberDiscount()

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    add(tServer);
    add(new Label("Port"));
    tPort = new TextField(String.valueOf(serverPort));
    add(tPort);
    add(new Label("Benutze Proxy"));
    tUseProxy = new Checkbox();
    tUseProxy.setState(useProxy);
    add(tUseProxy);
    add(new Label("Proxy-Server"));
    tProxy = new TextField(proxyServer);
    add(tProxy);

View Full Code Here


  private Panel createChkPaymentPanel() {
    Panel p = new Panel();
    p.setLayout(new FlowLayout());
    cbg = new CheckboxGroup();
    chkNo = new Checkbox("No", cbg, true);
    chkYes = new Checkbox("Yes", cbg, false);
    //    ChkCombination=new Checkbox("Combination of Cash and Deem",cbg,false);
    p.add(chkNo);
    p.add(chkYes);
    //    p.add(ChkCombination);
    chkNo.addItemListener(new CheckBoxPaymentListener());

View Full Code Here


  private Panel createMemberPanel() {
    Panel p = new Panel();
    p.setLayout(new FlowLayout());
    cbgMember = new CheckboxGroup();
    chkMember = new Checkbox("Member", cbgMember, true);
    chkNonMember = new Checkbox("Non-Member", cbgMember, false);
    p.add(chkMember);
    p.add(chkNonMember);
    chkMember.addItemListener(new CheckBoxMemberListener());
    chkNonMember.addItemListener(new CheckBoxMemberListener());
    return p;

View Full Code Here

    redOne.add( new Label("Red Boids:"));
    nbRougeText  = new TextField("2",4);
    redOne.add(nbRougeText);
    parametres.add(redOne);
        leMonde.setRatio(20,2);
    regleSeparation = new Checkbox("Separation :"  , true);
    regleSeparation.setName("regleSeparation");
    regleSeparation.addItemListener(this);
    parametres.add(regleSeparation);
    regleCohesion   = new Checkbox("Cohesion :"  , true);
    regleCohesion.setName("regleCohesion");
    regleCohesion.addItemListener(this);
    parametres.add(regleCohesion);
    regleAllignement= new Checkbox("Alignment :"  , true);
    regleAllignement.setName("regleAllignement");
    regleAllignement.addItemListener(this);
    parametres.add(regleAllignement);
    regleRepulsion  = new Checkbox("Repulsion :"  , true);
    regleRepulsion.setName("regleRepulsion");
    regleRepulsion.addItemListener(this);
    parametres.add(regleRepulsion);
    avecMurs        = new Checkbox("Walls :"  , true);
    avecMurs.setName("avecMurs");
    avecMurs.addItemListener(this);
    parametres.add(avecMurs);
    panel.add(parametres,BorderLayout.EAST);
    role   = new Checkbox("Role Changes :"  , false);
    role.setName("role");
    role.addItemListener(this);
    parametres.add(role);


    add(panel);

View Full Code Here

    } else if (c instanceof Label) {
      Label label = (Label) c;
      value = label.getText();
      setValue(name, value);
    } else if (c instanceof Checkbox) {
      Checkbox checkbox = (Checkbox) c;
      Object[] objs = checkbox.getSelectedObjects();
      if (objs != null) {
        int count = objs.length;
        for (int ci = 0; ci < count; ci++) {
          setValue(name, objs[ci].toString());
        }

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    reverseColor = new JButton();
    reverseColor.setText("Ayna");
    reverseColor.setFont(new Font("Tahoma", Font.BOLD, 10));
    reverseColor.setBounds(9, 90, 70, 23);
    cPanelLabelDuzenle.add(reverseColor);
    drawCross = new Checkbox("Kampanya");
    drawCross.setFont(new Font("Tahoma", Font.BOLD, 10));
    drawCross.setBounds(90, 90, 70, 23);


    cPanelLabelDuzenle.add(drawCross);

View Full Code Here

    cTableBanka = new CTable((String) null, POSBilgileriSatis.class);
    cTableBanka.setAutoResizeMode(JTable.AUTO_RESIZE_ALL_COLUMNS);
    cTableBanka.setRowHeight(30);
    scrollPaneBanka.setViewportView(cTableBanka);


    cCheckBoxParcaliOdeme = new Checkbox("PARÇALI ÖDEME");
    cCheckBoxParcaliOdeme.setFont(new Font("Dialog", Font.BOLD, 12));
    cCheckBoxParcaliOdeme.setBounds(336, 72, 120, 23);
    getContentPane().add(cCheckBoxParcaliOdeme);


    jButtonOdemeKaydet = new JButton("İŞLEM TAMAMLA");

View Full Code Here

        this.target = target;
        setLayout(new FlowLayout());
        setBackground(Color.lightGray);
        target.setForeground(Color.red);
        CheckboxGroup group = new CheckboxGroup();
        Checkbox b;
        add(b = new Checkbox(null, group, false));
        b.addItemListener(this);
        b.setForeground(Color.red);
        add(b = new Checkbox(null, group, false));
        b.addItemListener(this);
        b.setForeground(Color.green);
        add(b = new Checkbox(null, group, false));
        b.addItemListener(this);
        b.setForeground(Color.blue);
        add(b = new Checkbox(null, group, false));
        b.addItemListener(this);
        b.setForeground(Color.pink);
        add(b = new Checkbox(null, group, false));
        b.addItemListener(this);
        b.setForeground(Color.orange);
        add(b = new Checkbox(null, group, true));
        b.addItemListener(this);
        b.setForeground(Color.black);
        target.setForeground(b.getForeground());
        Choice shapes = new Choice();
        shapes.addItemListener(this);
        shapes.addItem("Lines");
        shapes.addItem("Points");
        shapes.setBackground(Color.lightGray);

View Full Code Here

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