com.tensegrity.skeleton.swt.commands
Class SwtInsertImageCommand

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.AbstractInsertElementCommand
                      com.tensegrity.skeleton.swt.commands.SwtInsertImageCommand

All Implemented Interfaces:

Command

public class SwtInsertImageCommand

extends AbstractInsertElementCommand

This command, to be used within applications in a SWT context, is used in order to insert a VisualNode containing an image on the active GraphDocument. The inserted image is choosen by the application user when presented a FileDialog dialog.

Version:

$Id: SwtInsertImageCommand.java,v 1.4 2005/08/02 08:18:44 SebastienGuyon Exp $

Author:

Arnd Houben

Field Summary

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

ELEMENTNAME_CHART_NODE, ELEMENTNAME_IMAGE, ELEMENTNAME_TABLE_NODE

Constructor Summary

SwtInsertImageCommand(ApplicationFrame applicationFrame, java.lang.String command)
Creates the SwtInsertImageCommand which is used in order to insert a VisualNode containing an image on the active GraphDocument.

Method Summary

void	addImage(java.io.File imgFile) Adds a visual node representing the given image file to the current graph document at the given coordinates.
boolean	isEnabled() Overridden to restrict the availability of this command to the case that the "ImageNode" element is in the pool.
void	perform(java.lang.Object args) Updates the StatusBar with this commands title string.

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

addElement, addElement, toLog

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

SwtInsertImageCommand

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

Creates the SwtInsertImageCommand which is used in order to insert a VisualNode containing an image on the active GraphDocument.

Parameters:

applicationFrame - Application context of this command.

command - the ID of this command.

Method Detail

perform

public final 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:

Command.perform(java.lang.Object)

addImage

public void addImage(java.io.File imgFile)

Adds a visual node representing the given image file to the current graph document at the given coordinates. A raster is created for each file and is pooled in the ImagePool of the framework, so it's only loaded once.

Parameters:

imgFile - The image file to load

isEnabled

public boolean isEnabled()

Overridden to restrict the availability of this command to the case that the "ImageNode" element is in the pool.

Specified by:

isEnabled in interface Command

Overrides:

isEnabled in class GraphDocumentCommand

Returns:

True, if the command is currently available