Package com.vaadin.flow.component.spreadsheet

Class SheetChartWrapper

java.lang.Object

com.vaadin.flow.component.spreadsheet.SheetOverlayWrapper

com.vaadin.flow.component.spreadsheet.SheetChartWrapper

All Implemented Interfaces:

Serializable

public class SheetChartWrapper
extends SheetOverlayWrapper
implements Serializable

SheetChartWrapper is an utility class of the Spreadsheet component. In addition to the chart resource, this wrapper contains the chart's visibility state, position and size.

Author:

Vaadin Ltd.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.vaadin.flow.component.spreadsheet.SheetOverlayWrapper

SheetOverlayWrapper.OverlayChangeListener

Constructor Summary

Constructors

Constructor	Description
SheetChartWrapper(org.apache.poi.xssf.usermodel.XSSFChart chartXml, Spreadsheet spreadsheet)

Method Summary

Modifier and Type	Method	Description
com.vaadin.flow.component.Component	getComponent(boolean init)	Returns the component contained in this wrapper if there is one.
float	getHeight(org.apache.poi.ss.usermodel.Sheet sheet, float[] rowH)	Calculates the height of the image.
String	getId()	Returns a unique ID of this overlay, used also as a resource key for images.
OverlayInfo.Type	getType()
float	getWidth(org.apache.poi.ss.usermodel.Sheet sheet, int[] colW, int defaultColumnWidthPX)	Calculates the width of the image.
static void	setChartCreator(ChartCreator newChartCreator)
void	setOverlayChangeListener(SheetOverlayWrapper.OverlayChangeListener listener)	If this overlay's state can be dynamically changed (like minimizing), this method can inform the spreadsheet.

Methods inherited from class com.vaadin.flow.component.spreadsheet.SheetOverlayWrapper

equals, getAnchor, getResourceHandler, hashCode, isVisible, isVisible, setVisible, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

SheetChartWrapper

public SheetChartWrapper(org.apache.poi.xssf.usermodel.XSSFChart chartXml,
 Spreadsheet spreadsheet)

Method Details

setOverlayChangeListener

public void setOverlayChangeListener(SheetOverlayWrapper.OverlayChangeListener listener)

Description copied from class: SheetOverlayWrapper

If this overlay's state can be dynamically changed (like minimizing), this method can inform the spreadsheet.

Overrides:

setOverlayChangeListener in class SheetOverlayWrapper

setChartCreator

public static void setChartCreator(ChartCreator newChartCreator)

getId

public String getId()

Description copied from class: SheetOverlayWrapper

Returns a unique ID of this overlay, used also as a resource key for images.

Overrides:

getId in class SheetOverlayWrapper

getComponent

public com.vaadin.flow.component.Component getComponent(boolean init)

Description copied from class: SheetOverlayWrapper

Returns the component contained in this wrapper if there is one.

Overrides:

getComponent in class SheetOverlayWrapper

Parameters:

init - false if you don't want to initialize the component, calling with true after the first time has no effect.

getType

public OverlayInfo.Type getType()

Specified by:

getType in class SheetOverlayWrapper

getHeight

public float getHeight(org.apache.poi.ss.usermodel.Sheet sheet,
 float[] rowH)

Description copied from class: SheetOverlayWrapper

Calculates the height of the image. Might not be 100% correct because of bugs in POI (returns inconsistent values for Dx and Dy).

If the image doesn't have a specified height and should be sized to image file size, -1 is returned.

Overrides:

getHeight in class SheetOverlayWrapper

Parameters:

sheet - The sheet this image belongs to

rowH - Array of row heights in points

Returns:

Image height in points, or -1 if image file height should be used.

getWidth

public float getWidth(org.apache.poi.ss.usermodel.Sheet sheet,
 int[] colW,
 int defaultColumnWidthPX)

Description copied from class: SheetOverlayWrapper

Calculates the width of the image. Might not be 100% correct because of bugs in POI (returns inconsistent values for Dx and Dy).

If the image doesn't have a specified width and should be sized to image file size, -1 is returned.

Overrides:

getWidth in class SheetOverlayWrapper

Parameters:

sheet - The sheet this image belongs to

colW - Array of column widths in pixels

defaultColumnWidthPX - Default column width in pixels

Returns:

Width of the image in pixels, or -1 if image file width should be used