com.tensegrity.skeleton.commands
Class ZoomCommand

java.lang.Object
  com.tensegrity.generic.command.BaseCommand
      com.tensegrity.skeleton.commands.CommonBaseCommand
          com.tensegrity.skeleton.commands.DocumentCommand
              com.tensegrity.skeleton.commands.GraphDocumentCommand
                  com.tensegrity.skeleton.commands.ZoomGraphDocumentCommand
                      com.tensegrity.skeleton.commands.ZoomCommand

All Implemented Interfaces:

Command

public class ZoomCommand

extends ZoomGraphDocumentCommand

This Command is responsible for zooming the active VisualGraph to the specified percentage value.

If you need to change the zoom in steps of +10, for example, you must create a ZoomCommand with the value 10. Each time the perform(Object) method is invoked, the zoom value change is applied.

Version:

$Id: ZoomCommand.java,v 1.25 2005/12/01 16:16:02 BurkhardWick Exp $

Author:

Gilles Iachelini

Field Summary

Fields inherited from class com.tensegrity.skeleton.commands.ZoomGraphDocumentCommand

value, ZOOM_INSETS

Constructor Summary

ZoomCommand(ApplicationFrame applicationFrame, java.lang.String command)
Creates the ZoomCommand which zoom the graph to fit into the visible area.

ZoomCommand(ApplicationFrame applicationFrame, java.lang.String command, int value)
Creates a new ZoomCommand which will zoom the current document to the specified parameter value.

Method Summary

boolean	isEnabled() (non-Javadoc) This method returns true if the currently active Document is an instance of GraphDocument.
void	perform(java.lang.Object args) Updates the StatusBar with this commands title string.

Methods inherited from class com.tensegrity.skeleton.commands.ZoomGraphDocumentCommand

getZoom, setZoom, setZoomToFit

Methods inherited from class com.tensegrity.skeleton.commands.GraphDocumentCommand

getGraphDocument, getVisualGraphView

Methods inherited from class com.tensegrity.skeleton.commands.DocumentCommand

getDocument, getGraphApplication, newGraphDocumentFromFactory

Methods inherited from class com.tensegrity.skeleton.commands.CommonBaseCommand

getApplicationFrame, getTitle

Methods inherited from class com.tensegrity.generic.command.BaseCommand

getDescription, getId, getPerformDescription, setEnabled

Methods inherited from class java.lang.Object

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

Constructor Detail

ZoomCommand

public ZoomCommand(ApplicationFrame applicationFrame,
                   java.lang.String command,
                   int value)

Creates a new ZoomCommand which will zoom the current document to the specified parameter value.

Parameters:

applicationFrame - Application context for this command.

command - the ID of this command.

value - value to zoom to.

ZoomCommand

public ZoomCommand(ApplicationFrame applicationFrame,
                   java.lang.String command)

Creates the ZoomCommand which zoom the graph to fit into the visible area.

Parameters:

applicationFrame - Application context for this command.

command - the ID of this command.

Method Detail

perform

public void perform(java.lang.Object args)

Description copied from class: CommonBaseCommand

Updates the StatusBar with this commands title string. (non-Javadoc)

Specified by:

perform in interface Command

Overrides:

perform in class CommonBaseCommand

See Also:

CommonBaseCommand.perform(Object)

isEnabled

public boolean isEnabled()

Description copied from class: GraphDocumentCommand

(non-Javadoc) This method returns true if the currently active Document is an instance of GraphDocument.

Specified by:

isEnabled in interface Command

Overrides:

isEnabled in class GraphDocumentCommand