com.telerik.widget.chart.visualization.behaviors.views

Class DeferredZoomPresenter

java.lang.Object

com.telerik.android.common.PropertyManager

com.telerik.widget.chart.visualization.behaviors.views.DeferredZoomPresenter

All Implemented Interfaces:

DrawListener

public class DeferredZoomPresenter
extends PropertyManager
implements DrawListener

The DeferredZoomPresenter renders the zoom rectangle when the ChartZoomStrategy of the ChartPanAndZoomBehavior is set to DEFERRED. It also calculates the new zoom and pan based on the zoom rectangle.

Field Summary

Fields

Modifier and Type	Field and Description
static int	FILL_COLOR_PROPERTY_KEY
static int	STROKE_COLOR_PROPERTY_KEY
static int	STROKE_WIDTH_PROPERTY_KEY

Constructor Summary

Constructors

Constructor and Description
DeferredZoomPresenter() Creates a new instance of the DeferredZoomPresenter class.

Method Summary

Modifier and Type	Method and Description
void	applyPalette(ChartPalette palette) Applies the provided palette if the canApplyPalette field is true.
boolean	getCanApplyPalette() Gets a value that determines if a palette can be applied.
int	getFillColor()
Paint	getFillPaint() Gets the fill paint;
ChartPanAndZoomBehavior	getOwner() Gets the ChartPanAndZoomBehavior owner;
int	getPanX() Gets the horizontal pan resulting from the last pinch gesture.
int	getPanY() Gets the vertical pan resulting from the last pinch gesture.
int	getStrokeColor()
Paint	getStrokePaint() Gets the stroke paint;
float	getStrokeWidth()
double	getZoomX() Gets the horizontal zoom resulting from the last pinch gesture.
double	getZoomY() Gets the vertical zoom resulting from the last pinch gesture.
void	notifyDraw(Canvas canvas)
void	setCanApplyPalette(boolean value) Sets a value that determines if a palette can be applied.
void	setFillColor(int value)
void	setFillPaint(Paint value) Sets the fill paint;
void	setOwner(ChartPanAndZoomBehavior value) Sets the ChartPanAndZoomBehavior owner;
void	setPinchPoints(RadPoint p1, RadPoint p2) Sets the pinch points that determine the top left and bottom right of the zoom rectangle.
void	setStrokeColor(int value)
void	setStrokePaint(Paint value) Sets the stroke paint;
void	setStrokeWidth(float value)

Methods inherited from class com.telerik.android.common.PropertyManager

getValue, resetPropertyValue, setValue, setValue

Methods inherited from class java.lang.Object

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

Field Detail

FILL_COLOR_PROPERTY_KEY

public static final int FILL_COLOR_PROPERTY_KEY

STROKE_COLOR_PROPERTY_KEY

public static final int STROKE_COLOR_PROPERTY_KEY

STROKE_WIDTH_PROPERTY_KEY

public static final int STROKE_WIDTH_PROPERTY_KEY

Constructor Detail

DeferredZoomPresenter

public DeferredZoomPresenter()

Creates a new instance of the DeferredZoomPresenter class.

Method Detail

getFillColor

public int getFillColor()

setFillColor

public void setFillColor(int value)

getStrokeColor

public int getStrokeColor()

setStrokeColor

public void setStrokeColor(int value)

getStrokeWidth

public float getStrokeWidth()

setStrokeWidth

public void setStrokeWidth(float value)

getCanApplyPalette

public boolean getCanApplyPalette()

Gets a value that determines if a palette can be applied.

setCanApplyPalette

public void setCanApplyPalette(boolean value)

Sets a value that determines if a palette can be applied.

getFillPaint

public Paint getFillPaint()

Gets the fill paint;

setFillPaint

public void setFillPaint(Paint value)

Sets the fill paint;

getStrokePaint

public Paint getStrokePaint()

Gets the stroke paint;

setStrokePaint

public void setStrokePaint(Paint value)

Sets the stroke paint;

setOwner

public void setOwner(ChartPanAndZoomBehavior value)

Sets the ChartPanAndZoomBehavior owner;

getOwner

public ChartPanAndZoomBehavior getOwner()

Gets the ChartPanAndZoomBehavior owner;

applyPalette

public void applyPalette(ChartPalette palette)

Applies the provided palette if the canApplyPalette field is true.

notifyDraw

public void notifyDraw(Canvas canvas)

Specified by:

notifyDraw in interface DrawListener

setPinchPoints

public void setPinchPoints(RadPoint p1,
                           RadPoint p2)

Sets the pinch points that determine the top left and bottom right of the zoom rectangle. The order of the arguments does not matter, the presenter determines which is top left and which is bottom right. The pinch points should be set before each the draw pass.

Parameters:

p1 - The first corner point.

p2 - The second corner point.

getPanX

public int getPanX()

Gets the horizontal pan resulting from the last pinch gesture.

getPanY

public int getPanY()

Gets the vertical pan resulting from the last pinch gesture.

getZoomX

public double getZoomX()

Gets the horizontal zoom resulting from the last pinch gesture.

getZoomY

public double getZoomY()

Gets the vertical zoom resulting from the last pinch gesture.