com.klg.jclass.chart3d.j2d.actions
Class TranslateAction

java.lang.Object
  |
  +--com.klg.jclass.chart3d.j2d.actions.BaseAction
        |
        +--com.klg.jclass.chart3d.j2d.actions.TranslateAction

All Implemented Interfaces:

JCAction, Serializable

public class TranslateAction

extends BaseAction

Handler object for translate actions within JClass Chart 3D Java2D. When a translate action is started, JCChart3dArea will create an instance of TranslateAction and call start(), animate() and end() at appropriate points. A mapping from event to action type is stored the chart's JCActionTable.

See Also:

JCAction, JCActionTable, BaseAction, Serialized Form

Field Summary

protected Point	first Point at which the translate action started.
protected double	horizontalShift The current horizontal shift for this action
protected Point	last Last point used to do translationg
protected double	origHorizontalShift The original horizontal shift in case a cancel happens
protected double	origVerticalShift The original vertical shift in case a cancel happens
protected double	verticalShift The current vertical shift for this action

Fields inherited from class com.klg.jclass.chart3d.j2d.actions.BaseAction

ANIMATING, chart3dArea, enabled, NONE, START, status

Constructor Summary

TranslateAction()
Default constructor.

Method Summary

void	animate(InputEvent event, int x, int y) Called by JCChartArea when the action is to be animated.
void	cancel() Called by JCChart3dArea when the action is cancelled
void	end(InputEvent event, int x, int y) Called by JCChartA3drea when the action is over.
void	reanimate(int x, int y) Called by JCChart3dArea when the chart area has been refreshed and the animation must be redrawn.
void	start(InputEvent event, int x, int y) Called by JCChart3dArea when the action is started.

Methods inherited from class com.klg.jclass.chart3d.j2d.actions.BaseAction

drawPreview, getChart3d, getChart3dArea, initialize, isEnabled, setChart3dArea, setEnabled

Methods inherited from class java.lang.Object

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

Field Detail

first

protected Point first

Point at which the translate action started.

last

protected Point last

Last point used to do translationg

horizontalShift

protected double horizontalShift

The current horizontal shift for this action

verticalShift

protected double verticalShift

The current vertical shift for this action

origHorizontalShift

protected double origHorizontalShift

The original horizontal shift in case a cancel happens

origVerticalShift

protected double origVerticalShift

The original vertical shift in case a cancel happens

Constructor Detail

TranslateAction

public TranslateAction()

Default constructor.

Method Detail

start

public void start(InputEvent event,
                  int x,
                  int y)

Called by JCChart3dArea when the action is started. For the translate action, this method stores the initial point and the original horizontal and vertical shift (in case of a cancel action).

Specified by:

start in interface JCAction

Specified by:

start in class BaseAction

Parameters:

event - The event for the action

x - The x pixel position where translation is starting

y - The y pixel position where translation is starting

animate

public void animate(InputEvent event,
                    int x,
                    int y)

Called by JCChartArea when the action is to be animated. For the translate action, this method moves the horizontal and vertical shifts relative to the distance from the last point.

Specified by:

animate in interface JCAction

Specified by:

animate in class BaseAction

Parameters:

event - The event for the action

x - The x pixel position where animation is happening

y - The y pixel position where animation is happening

reanimate

public void reanimate(int x,
                      int y)

Called by JCChart3dArea when the chart area has been refreshed and the animation must be redrawn.

Specified by:

reanimate in interface JCAction

Specified by:

reanimate in class BaseAction

Parameters:

x - The x pixel position where reanimation is happening

y - The y pixel position where reanimation is happening

end

public void end(InputEvent event,
                int x,
                int y)

Called by JCChartA3drea when the action is over. This method does nothing for translate actions.

Specified by:

end in interface JCAction

Specified by:

end in class BaseAction

Parameters:

event - The event for the action

x - The x pixel position where the user finished translating

y - The y pixel position where the user finished translating

cancel

public void cancel()

Called by JCChart3dArea when the action is cancelled

Specified by:

cancel in interface JCAction

Specified by:

cancel in class BaseAction