Class SignatureFieldAppearance

java.lang.Object

com.itextpdf.commons.actions.sequence.AbstractIdentifiableElement

com.itextpdf.layout.ElementPropertyContainer<SignatureFieldAppearance>

com.itextpdf.layout.element.AbstractElement<SignatureFieldAppearance>

com.itextpdf.forms.form.element.FormField<SignatureFieldAppearance>

com.itextpdf.forms.form.element.SignatureFieldAppearance

All Implemented Interfaces:

IFormField, IAbstractElement, IBlockElement, IElement, IPropertyContainer, IAccessibleElement

public class SignatureFieldAppearance
extends FormField<SignatureFieldAppearance>

Extension of the FormField class representing a signature field in PDF.

Field Summary

Fields

Modifier and Type	Field	Description
private final List<IElement>	contentElements	Collection of the layout elements which will be rendered as a signature content.
private static final float	DEFAULT_PADDING	Default paddings for the signature field.
private String	idWithDots	We should support signing of existing fields with dots in name, but dots are now allowed in model element id.
private SignedAppearanceText	signedAppearanceText
private String	signerName

Fields inherited from class FormField

tagProperties

Fields inherited from class AbstractElement

childElements, nextRenderer, styles

Fields inherited from class ElementPropertyContainer

properties

Constructor Summary

Constructors

Constructor	Description
SignatureFieldAppearance(String id)	Creates a new SignatureFieldAppearance instance.

Method Summary

Modifier and Type	Method	Description
private void	addImageContent(ImageData imageData)
private void	addTextContent(int index, String text)
private void	addTextContent(String text)
AccessibilityProperties	getAccessibilityProperties()	Gets the accessibility properties.
List<IElement>	getContentElements()	Gets the final content for this signature.
String	getId()	Gets the id.
SignedAppearanceText	getSignedAppearanceText()	Gets the SignedAppearanceText instance for this signature.
protected IRenderer	makeNewRenderer()	Creates a new renderer instance.
private void	prepareContent(String signer, SignedAppearanceText description)
SignatureFieldAppearance	setContent(SignedAppearanceText description)	Sets the content for this signature.
SignatureFieldAppearance	setContent(SignedAppearanceText description, ImageData image)	Sets the content for this signature.
SignatureFieldAppearance	setContent(ImageData image)	Sets the content for this signature.
SignatureFieldAppearance	setContent(Div data)	Sets the content for this signature.
SignatureFieldAppearance	setContent(String description)	Sets the content for this signature.
SignatureFieldAppearance	setContent(String signerName, SignedAppearanceText description)	Sets the content for this signature.
SignatureFieldAppearance	setContent(String description, ImageData image)	Sets the content for this signature.
SignatureFieldAppearance	setContent(String signerName, String description)	Sets the content for this signature.
void	setSignerName(String signerName)	Replaces the signer name for this signature if it was set by setContent(SignedAppearanceText).

Methods inherited from class FormField

getDefaultProperty, setAlternativeDescription, setHeight, setInteractive, setSize, setValue, setWidth

Methods inherited from class AbstractElement

addStyle, createRendererSubTree, getChildren, getProperty, getRenderer, hasProperty, isEmpty, setAction, setNextRenderer, setPageNumber

Methods inherited from class ElementPropertyContainer

deleteOwnProperty, getOwnProperty, getSplitCharacters, getStrokeColor, getStrokeWidth, getTextRenderingMode, getTransparentStrokeColor, hasOwnProperty, setBackgroundColor, setBackgroundColor, setBackgroundColor, setBackgroundColor, setBackgroundImage, setBackgroundImage, setBaseDirection, setBorder, setBorderBottom, setBorderBottomLeftRadius, setBorderBottomRightRadius, setBorderLeft, setBorderRadius, setBorderRight, setBorderTop, setBorderTopLeftRadius, setBorderTopRightRadius, setCharacterSpacing, setDashPattern, setDestination, setFixedPosition, setFixedPosition, setFixedPosition, setFixedPosition, setFont, setFontColor, setFontColor, setFontColor, setFontFamily, setFontFamily, setFontKerning, setFontScript, setFontSize, setHorizontalAlignment, setHyphenation, setLineThrough, setOpacity, setProperty, setRelativePosition, setSplitCharacters, setStrokeColor, setStrokeColor, setStrokeColor, setStrokeWidth, setTextAlignment, setTextRenderingMode, setUnderline, setUnderline, setUnderline, setUnderline, setUnderline, setWordSpacing, simulateBold, simulateItalic

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface IAbstractElement

getChildren

Methods inherited from interface IElement

createRendererSubTree, getRenderer, setNextRenderer

Methods inherited from interface IPropertyContainer

deleteOwnProperty, getOwnProperty, getProperty, hasOwnProperty, hasProperty, setProperty

Field Details

DEFAULT_PADDING

private static final float DEFAULT_PADDING

Default paddings for the signature field.

See Also:

• Constant Field Values

contentElements

private final List<IElement> contentElements

Collection of the layout elements which will be rendered as a signature content.

signedAppearanceText

private SignedAppearanceText signedAppearanceText

signerName

private String signerName

idWithDots

private String idWithDots

We should support signing of existing fields with dots in name, but dots are now allowed in model element id. So it is a placeholder for such cases.

Constructor Details

SignatureFieldAppearance

public SignatureFieldAppearance(String id)

Creates a new SignatureFieldAppearance instance.

Parameters:

id - signature field name if you use this SignatureFieldAppearance in pure layout for the new interactive signature field creation. ID will be ignored if this SignatureFieldAppearance is used for signing or for existing signature field

Method Details

setContent

public SignatureFieldAppearance setContent(SignedAppearanceText description)

Sets the content for this signature.

Parameters:

description - SignedAppearanceText instance representing the signature text identifying the signer.

Returns:

this same SignatureFieldAppearance instance.

setContent

public SignatureFieldAppearance setContent(String description)

Sets the content for this signature.

Parameters:

description - the signature text identifying the signer.

Returns:

this same SignatureFieldAppearance instance.

setContent

public SignatureFieldAppearance setContent(SignedAppearanceText description,
 ImageData image)

Sets the content for this signature.

Parameters:

description - SignedAppearanceText instance representing the signature text identifying the signer.

image - the Image object to render.

Returns:

this same SignatureFieldAppearance instance.

setContent

public SignatureFieldAppearance setContent(String description,
 ImageData image)

Sets the content for this signature.

Parameters:

description - the signature text identifying the signer.

image - the Image object to render.

Returns:

this same SignatureFieldAppearance instance.

setContent

public SignatureFieldAppearance setContent(ImageData image)

Sets the content for this signature.

Parameters:

image - the Image object to render.

Returns:

this same SignatureFieldAppearance instance.

setContent

public SignatureFieldAppearance setContent(String signerName,
 SignedAppearanceText description)

Sets the content for this signature.

Parameters:

signerName - the name of the signer from the certificate.

description - SignedAppearanceText instance representing the signature text identifying the signer.

Returns:

this same SignatureFieldAppearance instance.

setContent

public SignatureFieldAppearance setContent(String signerName,
 String description)

Sets the content for this signature.

Parameters:

signerName - the name of the signer from the certificate.

description - the signature text identifying the signer.

Returns:

this same SignatureFieldAppearance instance.

setContent

public SignatureFieldAppearance setContent(Div data)

Sets the content for this signature.

Parameters:

data - the custom signature data which will be rendered.

Returns:

this same SignatureFieldAppearance instance.

getContentElements

public List<IElement> getContentElements()

Gets the final content for this signature.

Returns:

collection of the layout elements which will be rendered as a signature content.

getSignedAppearanceText

public SignedAppearanceText getSignedAppearanceText()

Gets the SignedAppearanceText instance for this signature.

Returns:

SignedAppearanceText instance if it was set by setContent(SignedAppearanceText), null otherwise.

setSignerName

public void setSignerName(String signerName)

Replaces the signer name for this signature if it was set by setContent(SignedAppearanceText).

Parameters:

signerName - signer name to set.

getId

public String getId()

Gets the id.

Specified by:

getId in interface IFormField

Overrides:

getId in class FormField<SignatureFieldAppearance>

Returns:

the id

getAccessibilityProperties

public AccessibilityProperties getAccessibilityProperties()

Gets the accessibility properties. See also IAccessibleElement.

Returns:

an interface that allows to specify properties of a tagged element in Tagged PDF.

makeNewRenderer

protected IRenderer makeNewRenderer()

Creates a new renderer instance.

Specified by:

makeNewRenderer in class AbstractElement<SignatureFieldAppearance>

Returns:

new IRenderer

prepareContent

private void prepareContent(String signer,
 SignedAppearanceText description)

addTextContent

private void addTextContent(String text)

addTextContent

private void addTextContent(int index,
 String text)

addImageContent

private void addImageContent(ImageData imageData)