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

Fields

Modifier and Type	Field and Description
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

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

Constructors

Constructor and Description
RadioCheckField(PdfWriter writer, Rectangle box, String fieldName, String onValue) Creates a new instance of RadioCheckField

Method Summary

Modifier and Type	Method and Description
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.
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(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

Constructor Detail

RadioCheckField

public RadioCheckField(PdfWriter writer,
                       Rectangle box,
                       String fieldName,
                       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 String getOnValue()

Getter for property onValue.

Returns:

Value of property onValue.

setOnValue

public void setOnValue(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 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:

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 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:

IOException - on error

DocumentException - on error

getCheckField

public PdfFormField getCheckField()
                           throws IOException,
                                  DocumentException

Gets the check field.

Returns:

the check field

Throws:

IOException - on error

DocumentException - on error

getField

protected PdfFormField getField(boolean isRadio)
                         throws 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:

IOException - on error

DocumentException - on error