## com.lowagie.text.pdf
Class RadioCheckField

    java.lang.Object
      com.lowagie.text.pdf.BaseField
          com.lowagie.text.pdf.RadioCheckField

    public class RadioCheckField

extends BaseField

Creates a radio or a check field.

Example usage:

     Document document = new Document(PageSize.A4, 50, 50, 50, 50);
     PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("output.pdf"));
     document.open();
     PdfContentByte cb = writer.getDirectContent();
     RadioCheckField bt = new RadioCheckField(writer, new Rectangle(100, 100, 200, 200), "radio", "v1");
     bt.setCheckType(RadioCheckField.TYPE_CIRCLE);
     bt.setBackgroundColor(Color.cyan);
     bt.setBorderStyle(PdfBorderDictionary.STYLE_SOLID);
     bt.setBorderColor(Color.red);
     bt.setTextColor(Color.yellow);
     bt.setBorderWidth(BaseField.BORDER_WIDTH_THICK);
     bt.setChecked(false);
     PdfFormField f1 = bt.getRadioField();
     bt.setOnValue("v2");
     bt.setChecked(true);
     bt.setBox(new Rectangle(100, 300, 200, 400));
     PdfFormField f2 = bt.getRadioField();
     bt.setChecked(false);
     PdfFormField top = bt.getRadioGroup(true, false);
     bt.setOnValue("v3");
     bt.setBox(new Rectangle(100, 500, 200, 600));
     PdfFormField f3 = bt.getRadioField();
     top.addKid(f1);
     top.addKid(f2);
     top.addKid(f3);
     writer.addAnnotation(top);
     bt = new RadioCheckField(writer, new Rectangle(300, 300, 400, 400), "check1", "Yes");
     bt.setCheckType(RadioCheckField.TYPE_CHECK);
     bt.setBorderWidth(BaseField.BORDER_WIDTH_THIN);
     bt.setBorderColor(Color.black);
     bt.setBackgroundColor(Color.white);
     PdfFormField ck = bt.getCheckField();
     writer.addAnnotation(ck);
     document.close();

Author:
  Paulo Soares (psoares@consiste.pt)

Field Summary
`private boolean` `checked` Holds value of property checked.
`private int` `checkType` Holds value of property checkType.
`private java.lang.String` `onValue` Holds value of property onValue.
`static int` `TYPE_CHECK` A field with the symbol check
`static int` `TYPE_CIRCLE` A field with the symbol circle
`static int` `TYPE_CROSS` A field with the symbol cross
`static int` `TYPE_DIAMOND` A field with the symbol diamond
`static int` `TYPE_SQUARE` A field with the symbol square
`static int` `TYPE_STAR` A field with the symbol star
`private static java.lang.String[]` `typeChars`

Fields inherited from class com.lowagie.text.pdf.BaseField

`alignment, backgroundColor, BORDER_WIDTH_MEDIUM, BORDER_WIDTH_THICK, BORDER_WIDTH_THIN, borderColor, borderStyle, borderWidth, box, COMB, DO_NOT_SCROLL, DO_NOT_SPELL_CHECK, EDIT, fieldName, FILE_SELECTION, font, fontSize, HIDDEN, HIDDEN_BUT_PRINTABLE, maxCharacterLength, MULTILINE, MULTISELECT, options, PASSWORD, READ_ONLY, REQUIRED, rotation, text, textColor, visibility, VISIBLE, VISIBLE_BUT_DOES_NOT_PRINT, writer`

Constructor Summary
`RadioCheckField(PdfWriter writer, Rectangle box, java.lang.String fieldName, java.lang.String onValue)` Creates a new instance of RadioCheckField

Method Summary
`PdfAppearance` `getAppearance(boolean isRadio, boolean on)` Gets the field appearance.
`PdfAppearance` `getAppearanceRadioCircle(boolean on)` Gets the special field appearance for the radio circle.
`PdfFormField` `getCheckField()` Gets the check field.
`int` `getCheckType()` Getter for property checkType.
`protected PdfFormField` `getField(boolean isRadio)` Gets a radio or check field.
`java.lang.String` `getOnValue()` Getter for property onValue.
`PdfFormField` `getRadioField()` Gets the radio field.
`PdfFormField` `getRadioGroup(boolean noToggleToOff, boolean radiosInUnison)` Gets a radio group.
`boolean` `isChecked()` Getter for property checked.
`void` `setChecked(boolean checked)` Sets the state of the field to checked or unchecked.
`void` `setCheckType(int checkType)` Sets the checked symbol.
`void` `setOnValue(java.lang.String onValue)` Sets the value when the field is checked.

Methods inherited from class com.lowagie.text.pdf.BaseField

`breakLines, getAlignment, getBackgroundColor, getBorderAppearance, getBorderColor, getBorderStyle, getBorderWidth, getBox, getFieldName, getFont, getFontSize, getHardBreaks, getMaxCharacterLength, getOptions, getRealFont, getRotation, getText, getTextColor, getVisibility, getWriter, moveFields, setAlignment, setBackgroundColor, setBorderColor, setBorderStyle, setBorderWidth, setBox, setFieldName, setFont, setFontSize, setMaxCharacterLength, setOptions, setRotation, setRotationFromPage, setText, setTextColor, setVisibility, setWriter, trimRight`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### TYPE_CHECK

    public static final int TYPE_CHECK

  A field with the symbol check

  See Also:
    Constant Field Values

### TYPE_CIRCLE

    public static final int TYPE_CIRCLE

  A field with the symbol circle

  See Also:
    Constant Field Values

### TYPE_CROSS

    public static final int TYPE_CROSS

  A field with the symbol cross

  See Also:
    Constant Field Values

### TYPE_DIAMOND

    public static final int TYPE_DIAMOND

  A field with the symbol diamond

  See Also:
    Constant Field Values

### TYPE_SQUARE

    public static final int TYPE_SQUARE

  A field with the symbol square

  See Also:
    Constant Field Values

### TYPE_STAR

    public static final int TYPE_STAR

  A field with the symbol star

  See Also:
    Constant Field Values

### typeChars

    private static java.lang.String[] typeChars

### checkType

    private int checkType

  Holds value of property checkType.

### onValue

    private java.lang.String onValue

  Holds value of property onValue.

### checked

    private boolean checked

  Holds value of property checked.

Constructor Detail

### RadioCheckField

    public RadioCheckField(PdfWriter writer,
                           Rectangle box,
                           java.lang.String fieldName,
                           java.lang.String onValue)

  Creates a new instance of RadioCheckField

  Parameters:
    `writer` - the document `PdfWriter`
    `box` - the field location and dimensions
    `fieldName` - the field name. It must not be `null`
    `onValue` - the value when the field is checked

Method Detail

### getCheckType

    public int getCheckType()

  Getter for property checkType.

  Returns:
    Value of property checkType.

### setCheckType

    public void setCheckType(int checkType)

  Sets the checked symbol. It can be `TYPE_CHECK`, `TYPE_CIRCLE`, `TYPE_CROSS`, `TYPE_DIAMOND`, `TYPE_SQUARE` and `TYPE_STAR`.

  Parameters:
    `checkType` - the checked symbol

### getOnValue

    public java.lang.String getOnValue()

  Getter for property onValue.

  Returns:
    Value of property onValue.

### setOnValue

    public void setOnValue(java.lang.String onValue)

  Sets the value when the field is checked.

  Parameters:
    `onValue` - the value when the field is checked

### isChecked

    public boolean isChecked()

  Getter for property checked.

  Returns:
    Value of property checked.

### setChecked

    public void setChecked(boolean checked)

  Sets the state of the field to checked or unchecked.

  Parameters:
    `checked` - the state of the field, `true` for checked and `false` for unchecked

### getAppearance

    public PdfAppearance getAppearance(boolean isRadio,
                                       boolean on)
                                throws java.io.IOException,
                                       DocumentException

  Gets the field appearance.

  Parameters:
    `isRadio` - `true` for a radio field and `false` for a check field
    `on` - `true` for the checked state, `false` otherwise
  Returns:
    the appearance
  Throws:
    `java.io.IOException` - on error
    `DocumentException` - on error

### getAppearanceRadioCircle

    public PdfAppearance getAppearanceRadioCircle(boolean on)

  Gets the special field appearance for the radio circle.

  Parameters:
    `on` - `true` for the checked state, `false` otherwise
  Returns:
    the appearance

### getRadioGroup

    public PdfFormField getRadioGroup(boolean noToggleToOff,
                                      boolean radiosInUnison)

  Gets a radio group. It's composed of the field specific keys, without the widget ones. This field is to be used as a field aggregator with `addKid()`.

  Parameters:
    `noToggleToOff` - if `true`, exactly one radio button must be selected at all times; clicking the currently selected button has no effect. If `false`, clicking the selected button deselects it, leaving no button selected.
    `radiosInUnison` - if `true`, a group of radio buttons within a radio button field that use the same value for the on state will turn on and off in unison; that is if one is checked, they are all checked. If `false`, the buttons are mutually exclusive (the same behavior as HTML radio buttons)
  Returns:
    the radio group

### getRadioField

    public PdfFormField getRadioField()
                               throws java.io.IOException,
                                      DocumentException

  Gets the radio field. It's only composed of the widget keys and must be used with `getRadioGroup(boolean,boolean)`.

  Returns:
    the radio field
  Throws:
    `java.io.IOException` - on error
    `DocumentException` - on error

### getCheckField

    public PdfFormField getCheckField()
                               throws java.io.IOException,
                                      DocumentException

  Gets the check field.

  Returns:
    the check field
  Throws:
    `java.io.IOException` - on error
    `DocumentException` - on error

### getField

    protected PdfFormField getField(boolean isRadio)
                             throws java.io.IOException,
                                    DocumentException

  Gets a radio or check field.

  Parameters:
    `isRadio` - `true` to get a radio field, `false` to get a check field
  Returns:
    the field
  Throws:
    `java.io.IOException` - on error
    `DocumentException` - on error

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