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


        tDestAlter = new TextField();


        tDestAlter.addActionListener(this);


        cTransfer = new Checkbox("Transfer to destination table", true);


        cTransfer.addItemListener(this);


        cDrop = new Checkbox("Drop destination table (ignore error)", true);


        cDrop.addItemListener(this);


        cCreate = new Checkbox("Create destination table", true);


        cCreate.addItemListener(this);


        cDropIndex = new Checkbox("Drop destination index (ignore error)",
                                  true);


        cDropIndex.addItemListener(this);


        cIdxForced = new Checkbox("force Idx_ prefix for indexes names",
                                  false);


        cIdxForced.addItemListener(this);


        cCreateIndex = new Checkbox("Create destination index", true);


        cCreateIndex.addItemListener(this);


        cDelete = new Checkbox("Delete rows in destination table", true);


        cDelete.addItemListener(this);


        cInsert = new Checkbox("Insert into destination", true);


        cInsert.addItemListener(this);


        cFKForced = new Checkbox("force FK_ prefix for foreign key names",
                                 false);


        cFKForced.addItemListener(this);


        cAlter = new Checkbox("Alter destination table", true);


        cAlter.addItemListener(this);
        p.add(createLabel("Source table"));
        p.add(tSourceTable);
        p.add(cTransfer);

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        }
        sd.setVisible(true);
      }
    });
    p3.add(reply);
    quote = new Checkbox(ipmsg.getPref("quoteLabel"));
    quote.setState(new Boolean(ipmsg.getPref("quoteState"))
      .booleanValue());
    p3.add(quote);
    Button close = new Button(ipmsg.getPref("closeLabel"));
    close.addActionListener(new ActionListener() {

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    p5.add("Center", memberlist);
    Panel p2 = new Panel(new BorderLayout(5, 5));
    add("South", p2);
    Panel p3 = new Panel(new FlowLayout(FlowLayout.CENTER, 3, 3));
    p2.add("West", p3);
    broadcast = new Checkbox(ipmsg.getPref("broadcastLabel"));
    broadcast.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent ie) {
        memberlist.setEnabled(!broadcast.getState());
      }
    });
    p3.add(broadcast);
    groups = new Choice();
    groups.add(ipmsg.getPref("allName"));
    groups.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent ie) {
        received = true;
        if (!refreshing) {
          refreshing = true;
          new RefreshList().start();
        }
      }
    });
    p2.add("Center", groups);
    Panel p4 = new Panel(new FlowLayout(FlowLayout.CENTER, 3, 3));
    p2.add("East", p4);
    absence = new Checkbox(ipmsg.getPref("absenceLabel"));
    absence.setState(new Boolean(ipmsg.getPref("absenceState"))
      .booleanValue());
    absence.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent ie) {
        ipmsg.setPref("absenceState"

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          + " " + suffix
          , Cp932.toJIS(body.getText()));
      }
    });
    p2.add(send);
    secret = new Checkbox(ipmsg.getPref("secretLabel"));
    secret.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent ie) {
        if (secret.getState())
          passwd.setEnabled(true);
        else {
          passwd.setState(false);
          passwd.setEnabled(false);
        }
      }
    });
    secret.setState(new Boolean(ipmsg.getPref("secretState"))
      .booleanValue());
    p2.add(secret);
    passwd = new Checkbox(ipmsg.getPref("passwdLabel"));
    passwd.setState(new Boolean(ipmsg.getPref("passwdState"))
      .booleanValue());
    passwd.setEnabled(secret.getState());
    p2.add(passwd);
    Button cancel = new Button(ipmsg.getPref("cancelLabel"));

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        tDestAlter = new TextField();


        tDestAlter.addActionListener(this);


        cTransfer = new Checkbox("Transfer to destination table", true);


        cTransfer.addItemListener(this);


        cDrop = new Checkbox("Drop destination table (ignore error)", true);


        cDrop.addItemListener(this);


        cCreate = new Checkbox("Create destination table", true);


        cCreate.addItemListener(this);


        cDropIndex = new Checkbox("Drop destination index (ignore error)",
                                  true);


        cDropIndex.addItemListener(this);


        cIdxForced = new Checkbox("force Idx_ prefix for indexes names",
                                  false);


        cIdxForced.addItemListener(this);


        cCreateIndex = new Checkbox("Create destination index", true);


        cCreateIndex.addItemListener(this);


        cDelete = new Checkbox("Delete rows in destination table", true);


        cDelete.addItemListener(this);


        cInsert = new Checkbox("Insert into destination", true);


        cInsert.addItemListener(this);


        cFKForced = new Checkbox("force FK_ prefix for foreign key names",
                                 false);


        cFKForced.addItemListener(this);


        cAlter = new Checkbox("Alter destination table", true);


        cAlter.addItemListener(this);
        p.add(createLabel("Source table"));
        p.add(tSourceTable);
        p.add(cTransfer);

View Full Code Here


        gAllWords = new CheckboxGroup();


        Checkbox[] checkboxes = new Checkbox[2];


        checkboxes[0] = new Checkbox("all", gAllWords, true);
        c.gridx       = 1;


        pEntry.add(checkboxes[0], c);


        checkboxes[1] = new Checkbox("any ", gAllWords, false);
        c.gridx       = 2;


        pEntry.add(checkboxes[1], c);


        // ignore case
        c.gridy = 3;
        c.gridx = 0;


        pEntry.add(new Label("Ignore case"), c);


        gIgnoreCase = new CheckboxGroup();


        Checkbox[] checkboxes1 = new Checkbox[2];


        checkboxes1[0] = new Checkbox("yes", gIgnoreCase, true);
        c.gridx        = 1;


        pEntry.add(checkboxes1[0], c);


        checkboxes1[1] = new Checkbox("no", gIgnoreCase, false);
        c.gridx        = 2;


        pEntry.add(checkboxes1[1], c);


        // Match column exactly
        c.gridy = 4;
        c.gridx = 0;


        pEntry.add(new Label("Match whole col"), c);


        gNoMatchWhole = new CheckboxGroup();


        Checkbox[] checkboxes2 = new Checkbox[2];


        checkboxes2[0] = new Checkbox("no", gNoMatchWhole, true);
        c.gridx        = 1;


        pEntry.add(checkboxes2[0], c);


        checkboxes2[1] = new Checkbox("yes ", gNoMatchWhole, false);
        c.gridx        = 2;


        pEntry.add(checkboxes2[1], c);
        pForm.add("search", pEntry);
        pFormButs.add("Center", pForm);

View Full Code Here


            Panel rollAddBoxes = new Panel();
            {
                rollAddBoxes.setLayout(new GridLayout(2,1));
                CheckboxGroup group2= new CheckboxGroup();
                getRoll = new Checkbox("Roll",group2, false);
                getAdd = new Checkbox("Add",group2, true);


                rollAddBoxes.add(getRoll);
                rollAddBoxes.add(getAdd);
            }

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        cp.add(top, BorderLayout.NORTH);


        Panel attrs = new Panel();
        top.add(attrs);
        attrs.setLayout(new GridLayout(0, 1));
        attrs.add(bold = new Checkbox("Bold", false));
        attrs.add(italic = new Checkbox("Italic", false));


        previewArea = new JLabel(displayText, JLabel.CENTER);
        previewArea.setSize(200, 50);
        cp.add(previewArea, BorderLayout.CENTER);

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            num++;
        }
        add("South", p);
        Panel p1 = new Panel();
        p1.setLayout(new GridLayout(2,0));
        Checkbox cb = new Checkbox("Change DM on entering FS");
        cb.addItemListener(new ItemListener() {
            public void itemStateChanged(ItemEvent e) {
                dmChange = ((Checkbox)e.getSource()).getState();
            }
        });
        p1.add(cb);
//        cb = new Checkbox("Exit FS on window dispose");
//        cb.addItemListener(new ItemListener() {
//            public void itemStateChanged(ItemEvent e) {
//                setNullOnDispose = ((Checkbox)e.getSource()).getState();
//            }
//        });
//        p1.add(cb);
        CheckboxGroup cbg = new CheckboxGroup();
        cb = new Checkbox("Use Frame to enter FS", cbg, true);
        cb.addItemListener(new ItemListener() {
            public void itemStateChanged(ItemEvent e) {
                useFSFrame = true;
                useFSWindow = false;
                useFSDialog = false;
            }
        });
        p1.add(cb);
        cb = new Checkbox("Use Window to enter FS", cbg, false);
        cb.addItemListener(new ItemListener() {
            public void itemStateChanged(ItemEvent e) {
                useFSFrame = false;
                useFSWindow = true;
                useFSDialog = false;
            }
        });
        p1.add(cb);
        cb = new Checkbox("Use Dialog to enter FS", cbg, false);
        cb.addItemListener(new ItemListener() {
            public void itemStateChanged(ItemEvent e) {
                useFSFrame = false;
                useFSWindow = false;
                useFSDialog = true;
            }
        });
        p1.add(cb);
        cb = new Checkbox("Run render loop");
        cb.addItemListener(new ItemListener() {
            public void itemStateChanged(ItemEvent e) {
                runRenderLoop = ((Checkbox)e.getSource()).getState();
            }
        });
        p1.add(cb);
        cb = new Checkbox("Use BufferStrategy in render loop");
        cb.addItemListener(new ItemListener() {
            public void itemStateChanged(ItemEvent e) {
                useBS = ((Checkbox)e.getSource()).getState();
            }
        });
        p1.add(cb);
        cb = new Checkbox("Add Children to FS window");
        cb.addItemListener(new ItemListener() {
            public void itemStateChanged(ItemEvent e) {
                addHWChildren = ((Checkbox)e.getSource()).getState();
            }
        });
        p1.add(cb);

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        gAllWords = new CheckboxGroup();


        Checkbox[] checkboxes = new Checkbox[2];


        checkboxes[0] = new Checkbox("all", gAllWords, true);
        c.gridx       = 1;


        pEntry.add(checkboxes[0], c);


        checkboxes[1] = new Checkbox("any ", gAllWords, false);
        c.gridx       = 2;


        pEntry.add(checkboxes[1], c);


        // ignore case
        c.gridy = 3;
        c.gridx = 0;


        pEntry.add(new Label("Ignore case"), c);


        gIgnoreCase = new CheckboxGroup();


        Checkbox[] checkboxes1 = new Checkbox[2];


        checkboxes1[0] = new Checkbox("yes", gIgnoreCase, true);
        c.gridx        = 1;


        pEntry.add(checkboxes1[0], c);


        checkboxes1[1] = new Checkbox("no", gIgnoreCase, false);
        c.gridx        = 2;


        pEntry.add(checkboxes1[1], c);


        // Match column exactly
        c.gridy = 4;
        c.gridx = 0;


        pEntry.add(new Label("Match whole col"), c);


        gNoMatchWhole = new CheckboxGroup();


        Checkbox[] checkboxes2 = new Checkbox[2];


        checkboxes2[0] = new Checkbox("no", gNoMatchWhole, true);
        c.gridx        = 1;


        pEntry.add(checkboxes2[0], c);


        checkboxes2[1] = new Checkbox("yes ", gNoMatchWhole, false);
        c.gridx        = 2;


        pEntry.add(checkboxes2[1], c);
        pForm.add("search", pEntry);
        pFormButs.add("Center", pForm);

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