com.yworks.yfiles.view

Class PointSelectionIndicatorInstaller

java.lang.Object

com.yworks.yfiles.view.PointSelectionIndicatorInstaller

All Implemented Interfaces:

ICanvasObjectInstaller, ISelectionIndicatorInstaller

public class PointSelectionIndicatorInstaller
extends Object
implements ISelectionIndicatorInstaller

A simple ISelectionIndicatorInstaller implementation that draws an ellipse centered at a given point in world coordinate space.

Constructor Summary

Constructors

Constructor and Description
PointSelectionIndicatorInstaller(IPoint point) Creates a new instance that indicates a point.

Method Summary

Modifier and Type	Method and Description
ICanvasObject	addCanvasObject(ICanvasContext context, ICanvasObjectGroup group, Object item) This the main method of the interface that performs the installation of an item's visual representation in the canvas by adding ICanvasObjects.
protected IPoint	getCenterPoint(Object userObject) Factory method that retrieves the center for a given user object.
Paint	getPaint() Gets the brush to use for filling the point's ellipse in the view coordinate system.
Pen	getPen() Gets the pen to use for drawing the point in the view coordinate system.
void	setPaint(Paint value) Sets the brush to use for filling the point's ellipse in the view coordinate system.
void	setPen(Pen value) Sets the pen to use for drawing the point in the view coordinate system.

Methods inherited from class java.lang.Object

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

Constructor Detail

PointSelectionIndicatorInstaller

public PointSelectionIndicatorInstaller(IPoint point)

Creates a new instance that indicates a point.

Parameters:

point - The point to use for the center of the painting.

Method Detail

addCanvasObject

public final ICanvasObject addCanvasObject(ICanvasContext context,
                                           ICanvasObjectGroup group,
                                           Object item)

Description copied from interface: ICanvasObjectInstaller

This the main method of the interface that performs the installation of an item's visual representation in the canvas by adding ICanvasObjects.

Specified by:

addCanvasObject in interface ICanvasObjectInstaller

Parameters:

context - The context that contains the information required to install the visual representation.

group - The canvas object group to add the newly generated ICanvasObject to.

item - The item to install.

Returns:

The newly generated ICanvasObject for the item's visual representation. null if nothing was installed.

getCenterPoint

protected IPoint getCenterPoint(Object userObject)

Factory method that retrieves the center for a given user object.

This implementation simply returns the value provided to the constructor.

getPaint

public final Paint getPaint()

Gets the brush to use for filling the point's ellipse in the view coordinate system.

Returns:

The Paint.

See Also:

setPaint(Paint)

getPen

public final Pen getPen()

Gets the pen to use for drawing the point in the view coordinate system.

Returns:

The Pen.

See Also:

setPen(Pen)

setPaint

public final void setPaint(Paint value)

Sets the brush to use for filling the point's ellipse in the view coordinate system.

Parameters:

value - The Paint to set.

See Also:

getPaint()

setPen

public final void setPen(Pen value)

Sets the pen to use for drawing the point in the view coordinate system.

Parameters:

value - The Pen to set.

See Also:

getPen()