Package com.itextpdf.forms.form.renderer

Class ButtonRenderer

java.lang.Object

com.itextpdf.layout.renderer.AbstractRenderer

com.itextpdf.layout.renderer.BlockRenderer

com.itextpdf.forms.form.renderer.AbstractFormFieldRenderer

com.itextpdf.forms.form.renderer.AbstractTextFieldRenderer

com.itextpdf.forms.form.renderer.AbstractOneLineTextFieldRenderer

com.itextpdf.forms.form.renderer.ButtonRenderer

All Implemented Interfaces:

IPropertyContainer, IRenderer

 public class ButtonRenderer extends AbstractOneLineTextFieldRenderer 
      

The AbstractTextFieldRenderer implementation for buttons.

Field Summary

Fields inherited from class com.itextpdf.forms.form.renderer.AbstractTextFieldRenderer

font

Fields inherited from class com.itextpdf.forms.form.renderer.AbstractFormFieldRenderer

flatRenderer

Fields inherited from class com.itextpdf.layout.renderer.AbstractRenderer

childRenderers, EPS, flushed, INF, isLastRendererForModelElement, modelElement, occupiedArea, OVERLAP_EPSILON, parent, positionedRenderers, properties

Constructor Summary

Constructors

Constructor	Description
ButtonRenderer(Button modelElement)	Creates a new ButtonRenderer instance.

Method Summary

Modifier and Type	Method	Description
protected void	adjustFieldLayout(LayoutContext layoutContext)	Adjusts the field layout.
protected void	applyAcroField(DrawContext drawContext)	Applies the AcroField widget.
protected IRenderer	createFlatRenderer()	Creates the flat renderer instance.
String	getDefaultValue()	Gets the default value of the form field.
protected Float	getLastYLineRecursively()
IRenderer	getNextRenderer()	Gets a new instance of this class to be used as a next renderer, after this renderer is used, if IRenderer.layout(LayoutContext) is called more than once.
protected boolean	isLayoutBasedOnFlatRenderer()	Determines, whether the layout is based in the renderer itself or flat renderer.
protected boolean	isRendererFit(float availableWidth, float availableHeight)	Checks if the renderer fits a certain width and height.

Methods inherited from class com.itextpdf.forms.form.renderer.AbstractFormFieldRenderer

draw, drawChildren, getLang, getMinMaxWidth, getModelId, isFlatten, layout, writeAcroFormFieldLangAttribute

Methods inherited from class com.itextpdf.layout.renderer.BlockRenderer

applyRotationLayout, applyVerticalAlignment, beginRotationIfApplied, createOverflowRenderer, createRotationTransformInsideOccupiedArea, createSplitRenderer, endRotationIfApplied, getOccupiedAreaBBox

Methods inherited from class com.itextpdf.layout.renderer.AbstractRenderer

addAllProperties, addChild, alignChildHorizontally, allowLastYLineRecursiveExtraction, applyAbsolutePosition, applyAction, applyBorderBox, applyBorderBox, applyDestination, applyDestinationsAndAnnotation, applyLinkAnnotation, applyMargins, applyMargins, applyPaddings, applyPaddings, applyRelativePositioningTranslation, beginElementOpacityApplying, beginTransformationIfApplied, calculateAbsolutePdfBBox, calculateBBox, calculateShiftToPositionBBoxOfPointsAt, clipBackgroundArea, clipBackgroundArea, clipBorderArea, createXObject, deleteOwnProperty, deleteProperty, drawBackground, drawBorder, endElementOpacityApplying, endTransformationIfApplied, getBackgroundArea, getBorderAreaBBox, getBorderRadii, getBorders, getChildRenderers, getDefaultProperty, getFirstYLineRecursively, getInnerAreaBBox, getMargins, getModelElement, getOccupiedArea, getOwnProperties, getOwnProperty, getPaddings, getParent, getProperty, getProperty, getPropertyAsBoolean, getPropertyAsColor, getPropertyAsFloat, getPropertyAsFloat, getPropertyAsFont, getPropertyAsInteger, getPropertyAsTransparentColor, getPropertyAsUnitValue, hasAbsoluteUnitValue, hasOwnOrModelProperty, hasOwnProperty, hasProperty, hasRelativeUnitValue, initElementAreas, isAbsolutePosition, isBorderBoxSizing, isFirstOnRootArea, isFixedLayout, isFlushed, isKeepTogether, isNotFittingHeight, isNotFittingLayoutArea, isNotFittingWidth, isOverflowFit, isOverflowProperty, isOverflowProperty, isOverflowProperty, isPositioned, isRelativePosition, isStaticLayout, move, rectangleToPointsList, retrieveHeight, retrieveMaxHeight, retrieveMaxWidth, retrieveMinHeight, retrieveMinWidth, retrieveUnitValue, retrieveUnitValue, retrieveWidth, setBorders, setMinMaxWidthBasedOnFixedWidth, setParent, setProperty, toString, transformPoints, updateHeight, updateHeightsOnSplit, updateMaxHeight, updateMinHeight, updateWidth

Methods inherited from class java.lang.Object

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

Constructor Details

ButtonRenderer

 public ButtonRenderer 
             (Button modelElement) 
            

Creates a new ButtonRenderer instance.

Parameters:

modelElement - the model element

Method Details

adjustFieldLayout

 protected void adjustFieldLayout 
             (LayoutContext layoutContext) 
            

Adjusts the field layout.

Specified by:

adjustFieldLayout in class AbstractFormFieldRenderer

Parameters:

layoutContext - layout context

isLayoutBasedOnFlatRenderer

 protected boolean isLayoutBasedOnFlatRenderer() 
            

Determines, whether the layout is based in the renderer itself or flat renderer.

Overrides:

isLayoutBasedOnFlatRenderer in class AbstractFormFieldRenderer

Returns:

true if layout is based on flat renderer, false otherwise

getLastYLineRecursively

 protected Float getLastYLineRecursively() 
            

Overrides:

getLastYLineRecursively in class AbstractRenderer

Returns:

createFlatRenderer

 protected IRenderer createFlatRenderer() 
            

Creates the flat renderer instance.

Specified by:

createFlatRenderer in class AbstractFormFieldRenderer

Returns:

the renderer instance

getNextRenderer

 public IRenderer getNextRenderer() 
            

Gets a new instance of this class to be used as a next renderer, after this renderer is used, if IRenderer.layout(LayoutContext) is called more than once.

Returns:

new renderer instance

getDefaultValue

 public String getDefaultValue() 
            

Gets the default value of the form field.

Overrides:

getDefaultValue in class AbstractFormFieldRenderer

Returns:

the default value of the form field.

isRendererFit

 protected boolean isRendererFit 
             (float availableWidth, float availableHeight) 
            

Checks if the renderer fits a certain width and height.

Overrides:

isRendererFit in class AbstractFormFieldRenderer

Parameters:

availableWidth - the available width

availableHeight - the available height

Returns:

true, if the renderer fits

applyAcroField

 protected void applyAcroField 
             (DrawContext drawContext) 
            

Applies the AcroField widget.

Specified by:

applyAcroField in class AbstractFormFieldRenderer

Parameters:

drawContext - the draw context