com.tensegrity.skeleton.swt.commands
Class SwtZoomCommand

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.swt.commands.SwtZoomGraphDocumentCommand
                      com.tensegrity.skeleton.swt.commands.SwtZoomCommand

All Implemented Interfaces:

Command

public class SwtZoomCommand

extends SwtZoomGraphDocumentCommand

The SwtZoomCommand allows creating Commands which change the Zoom value with a constant value. If you need to change the zoom in steps of +10 for example you create a SwtZoomCommand with the value 10. Each time the perform is invoked, the change of the zoom value is applied.

Version:

$Id: SwtZoomCommand.java,v 1.3 2004/09/16 10:03:04 SebastienGuyon Exp $

Author:

S�bastien Guyon

Field Summary

Fields inherited from class com.tensegrity.skeleton.swt.commands.SwtZoomGraphDocumentCommand

dontUpdate, MAXIMUM_ZOOM_LIMIT, MINIMUM_ZOOM_LIMIT, value, ZOOM_INSETS

Constructor Summary

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

SwtZoomCommand(ApplicationFrame applicationFrame, java.lang.String command, int value)
Creates a new SwtZoomCommand 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.swt.commands.SwtZoomGraphDocumentCommand

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

SwtZoomCommand

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

Creates a new SwtZoomCommand 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.

SwtZoomCommand

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

Creates the SwtZoomCommand 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