ilog.views.chart.servlet

Class IlvZoomAction

java.lang.Object

ilog.views.chart.servlet.IlvZoomAction

All Implemented Interfaces:

IlvChartServerAction, EventListener

public class IlvZoomAction
extends Object
implements IlvChartServerAction

An IlvChartServerAction implementation to zoom in or out a chart. This action should be used with an IlvChartZoomInteractor DHTML interactor, and expects the following parameters:

• The zoomed area x coordinate (int)
• The zoomed area y coordinate (int)
• The zoomed area width (int)
• The zoomed area height (int)

All parameters are expressed in display coordinate system.

Since:

JViews 6.0

Field Summary

Fields inherited from interface ilog.views.chart.servlet.IlvChartServerAction

REQUEST_THREAD, SWING_EVENT_THREAD

Constructor Summary

Constructors

Constructor and Description
IlvZoomAction() Creates a new ZoomAction object.

Method Summary

Modifier and Type	Method and Description
void	actionPerformed(IlvChartServerActionEvent event) Performs the action requested from the client side.
int	getExecutionThread() Returns the execution thread for this action.
protected void	zoom(IlvChartServerActionEvent evt, IlvDataWindow zoomedDataWindow) Called to zoom to the specified data window.

Methods inherited from class java.lang.Object

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

Constructor Detail

IlvZoomAction

public IlvZoomAction()

Creates a new ZoomAction object.

Method Detail

actionPerformed

public void actionPerformed(IlvChartServerActionEvent event)
                     throws jakarta.servlet.ServletException

Performs the action requested from the client side. This method is invoked on the thread as specified by the getExecutionThread() method.

Specified by:

actionPerformed in interface IlvChartServerAction

Parameters:

event - The server action event.

Throws:

jakarta.servlet.ServletException - Some request parameters are missing.

zoom

protected void zoom(IlvChartServerActionEvent evt,
                    IlvDataWindow zoomedDataWindow)

Called to zoom to the specified data window.

getExecutionThread

public int getExecutionThread()

Returns the execution thread for this action. The default implementation returns IlvChartServerAction.SWING_EVENT_THREAD

Specified by:

getExecutionThread in interface IlvChartServerAction