com.tensegrity.skeleton.commands
Class AbstractOpenCommand

java.lang.Object
  com.tensegrity.generic.command.BaseCommand
      com.tensegrity.skeleton.commands.CommonBaseCommand
          com.tensegrity.skeleton.commands.DocumentCommand
              com.tensegrity.skeleton.commands.AbstractOpenCommand

All Implemented Interfaces:

Command

Direct Known Subclasses:

OpenCommand, SwtOpenCommand

public abstract class AbstractOpenCommand

extends DocumentCommand

Designed as the base class for all Command classes that deal with the opening of documents. This class specifies a validation method that subclasses may override.

Version:

$Id: AbstractOpenCommand.java,v 1.3 2005/04/13 10:58:04 KevinCVS Exp $

Author:

GillesIachelini

Constructor Summary

AbstractOpenCommand(ApplicationFrame applicationFrame, java.lang.String command)
Constructor specifying the ApplicationFrame, a name for this Command and the name of the HelpSet to use.

Method Summary

protected abstract boolean	doValidateDocument(GraphDocument document) Utility method which subclasses can overwrite in order to control the document creation.
boolean	isEnabled() Returns true if this command is enabled.

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

getDocument, getGraphApplication, newGraphDocumentFromFactory

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

getApplicationFrame, getTitle, perform

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

AbstractOpenCommand

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

Constructor specifying the ApplicationFrame, a name for this Command and the name of the HelpSet to use.

Parameters:

applicationFrame - the ApplicationFrame.

command - a unique name for this Command.

Method Detail

doValidateDocument

protected abstract boolean doValidateDocument(GraphDocument document)

Utility method which subclasses can overwrite in order to control the document creation. This method is called as soon as the GraphDocument is created and before it is added to the MDI component.

Parameters:

document -

Returns:

true if the passed GraphDocument is considered as valid, false otherwise.

isEnabled

public boolean isEnabled()

Description copied from interface: Command

Returns true if this command is enabled.

Specified by:

isEnabled in interface Command

Overrides:

isEnabled in class BaseCommand