com.steema.teechart
Class ZoomScroll

java.lang.Object
  com.steema.teechart.TeeBase
      com.steema.teechart.ZoomScroll

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

Scroll, Zoom

public class ZoomScroll
extends TeeBase

Title: ZoomScroll class

Description: Internal use. Zoom and scroll support.

Copyright (c) 2005-2006 by Steema Software SL. All Rights Reserved.

Company: Steema Software SL

See Also:

Serialized Form

Field Summary

int	x0 Starting horizontal coordinate.
int	x1 Ending horizontal coordinate.
int	y0 Starting vertical coordinate.
int	y1 Ending vertical coordinate.

Fields inherited from class com.steema.teechart.TeeBase

chart

Constructor Summary

ZoomScroll(IBaseChart value)
Creates a new ZoomScroll class that is asociated to chart parameter.

Method Summary

void	activate(int x, int y) Internal use.
void	activate(java.awt.Point p) Initializes a Zoom or Scroll operation starting at Point p coordinates.
void	check() Makes sure x0 and y0 coordinates are lower than x1 and y1 respectively.
boolean	getActive() Returns the active state of Chart Zoom and Scroll.
void	setActive(boolean value) Sets the active state of Chart Zoom and Scroll.

Methods inherited from class com.steema.teechart.TeeBase

getChart, invalidate, setBooleanProperty, setChart, setColorProperty, setColorProperty, setDoubleProperty, setIntegerProperty, setStringProperty

Methods inherited from class java.lang.Object

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

Field Detail

x0

public transient int x0

Starting horizontal coordinate.

y0

public transient int y0

Starting vertical coordinate.

x1

public transient int x1

Ending horizontal coordinate.

y1

public transient int y1

Ending vertical coordinate.

Constructor Detail

ZoomScroll

public ZoomScroll(IBaseChart value)

Creates a new ZoomScroll class that is asociated to chart parameter.

Parameters:

value - IBaseChart

Method Detail

getActive

public boolean getActive()

Returns the active state of Chart Zoom and Scroll.
In other words, during the act of zooming or scrolling returns true.
Default value: false

Returns:

boolean

setActive

public void setActive(boolean value)

Sets the active state of Chart Zoom and Scroll.
Default value: false

Parameters:

value - boolean

check

public void check()

Makes sure x0 and y0 coordinates are lower than x1 and y1 respectively.

activate

public final void activate(java.awt.Point p)

Initializes a Zoom or Scroll operation starting at Point p coordinates.

Parameters:

p - Point

activate

public void activate(int x,
                     int y)

Internal use. Starts a Zoom or Scroll from the co-ordinates x and y.

Parameters:

x - int

y - int