org.jfree.chart

Class ChartTransferable

java.lang.Object

org.jfree.chart.ChartTransferable

All Implemented Interfaces:

java.awt.datatransfer.Transferable

public class ChartTransferable
extends java.lang.Object
implements java.awt.datatransfer.Transferable

A class used to represent a chart on the clipboard.

Since:

1.0.13

Field Summary

Fields

Modifier and Type	Field and Description
private JFreeChart	chart The chart.
private int	height The height of the chart on the clipboard.
(package private) java.awt.datatransfer.DataFlavor	imageFlavor The data flavor.
private int	maxDrawHeight The largest height at which the chart will be drawn (if necessary, the chart will then be scaled up to fit the requested height).
private int	maxDrawWidth The largest width at which the chart will be drawn (if necessary, the chart will then be scaled up to fit the requested width).
private int	minDrawHeight The smallest height at which the chart will be drawn (if necessary, the chart will then be scaled down to fit the requested height).
private int	minDrawWidth The smallest width at which the chart will be drawn (if necessary, the chart will then be scaled down to fit the requested width).
private int	width The width of the chart on the clipboard.

Constructor Summary

Constructors

Constructor and Description
ChartTransferable(JFreeChart chart, int width, int height) Creates a new chart selection.
ChartTransferable(JFreeChart chart, int width, int height, boolean cloneData) Creates a new chart selection.
ChartTransferable(JFreeChart chart, int width, int height, int minDrawW, int minDrawH, int maxDrawW, int maxDrawH, boolean cloneData) Creates a new chart selection.

Method Summary

Modifier and Type	Method and Description
private java.awt.image.BufferedImage	createBufferedImage(JFreeChart chart, int w, int h, int minDrawW, int minDrawH, int maxDrawW, int maxDrawH) A utility method that creates an image of a chart, with scaling.
java.lang.Object	getTransferData(java.awt.datatransfer.DataFlavor flavor) Returns the content for the requested flavor, if it is supported.
java.awt.datatransfer.DataFlavor[]	getTransferDataFlavors() Returns the data flavors supported.
boolean	isDataFlavorSupported(java.awt.datatransfer.DataFlavor flavor) Returns true if the specified flavor is supported.

Methods inherited from class java.lang.Object

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

Field Detail

imageFlavor

final java.awt.datatransfer.DataFlavor imageFlavor

The data flavor.

chart

private JFreeChart chart

The chart.

width

private int width

The width of the chart on the clipboard.

height

private int height

The height of the chart on the clipboard.

minDrawWidth

private int minDrawWidth

The smallest width at which the chart will be drawn (if necessary, the chart will then be scaled down to fit the requested width).

Since:

1.0.14

minDrawHeight

private int minDrawHeight

The smallest height at which the chart will be drawn (if necessary, the chart will then be scaled down to fit the requested height).

Since:

1.0.14

maxDrawWidth

private int maxDrawWidth

The largest width at which the chart will be drawn (if necessary, the chart will then be scaled up to fit the requested width).

Since:

1.0.14

maxDrawHeight

private int maxDrawHeight

The largest height at which the chart will be drawn (if necessary, the chart will then be scaled up to fit the requested height).

Since:

1.0.14

Constructor Detail

ChartTransferable

public ChartTransferable(JFreeChart chart,
                         int width,
                         int height)

Creates a new chart selection.

Parameters:

chart - the chart.

width - the chart width.

height - the chart height.

ChartTransferable

public ChartTransferable(JFreeChart chart,
                         int width,
                         int height,
                         boolean cloneData)

Creates a new chart selection.

Parameters:

chart - the chart.

width - the chart width.

height - the chart height.

cloneData - clone the dataset(s)?

ChartTransferable

public ChartTransferable(JFreeChart chart,
                         int width,
                         int height,
                         int minDrawW,
                         int minDrawH,
                         int maxDrawW,
                         int maxDrawH,
                         boolean cloneData)

Creates a new chart selection. The minimum and maximum drawing dimensions are used to match the scaling behaviour in the ChartPanel class.

Parameters:

chart - the chart.

width - the chart width.

height - the chart height.

minDrawW - the minimum drawing width.

minDrawH - the minimum drawing height.

maxDrawW - the maximum drawing width.

maxDrawH - the maximum drawing height.

cloneData - clone the dataset(s)?

Since:

1.0.14

Method Detail

getTransferDataFlavors

public java.awt.datatransfer.DataFlavor[] getTransferDataFlavors()

Returns the data flavors supported.

Specified by:

getTransferDataFlavors in interface java.awt.datatransfer.Transferable

Returns:

The data flavors supported.

isDataFlavorSupported

public boolean isDataFlavorSupported(java.awt.datatransfer.DataFlavor flavor)

Returns true if the specified flavor is supported.

Specified by:

isDataFlavorSupported in interface java.awt.datatransfer.Transferable

Parameters:

flavor - the flavor.

Returns:

A boolean.

getTransferData

public java.lang.Object getTransferData(java.awt.datatransfer.DataFlavor flavor)
                                 throws java.awt.datatransfer.UnsupportedFlavorException,
                                        java.io.IOException

Returns the content for the requested flavor, if it is supported.

Specified by:

getTransferData in interface java.awt.datatransfer.Transferable

Parameters:

flavor - the requested flavor.

Returns:

The content.

Throws:

java.awt.datatransfer.UnsupportedFlavorException - if the flavor is not supported.

java.io.IOException - if there is an IO problem.

createBufferedImage

private java.awt.image.BufferedImage createBufferedImage(JFreeChart chart,
                                                         int w,
                                                         int h,
                                                         int minDrawW,
                                                         int minDrawH,
                                                         int maxDrawW,
                                                         int maxDrawH)

A utility method that creates an image of a chart, with scaling.

Parameters:

chart - the chart.

w - the image width.

h - the image height.

minDrawW - the minimum width for chart drawing.

minDrawH - the minimum height for chart drawing.

maxDrawW - the maximum width for chart drawing.

maxDrawH - the maximum height for chart drawing.

Returns:

A chart image.

Since:

1.0.14