pl.edu.agh.cast.backward.command
Class ModifyAttributesCommand

java.lang.Object
  org.eclipse.gef.commands.Command
      pl.edu.agh.cast.backward.command.ModifyAttributesCommand

public class ModifyAttributesCommand
extends org.eclipse.gef.commands.Command

Sets new values in AttributeValueContainer. Command used in pl.edu.agh.cast.ui.backward.dialogs.AttributeEditorDialog.

Author:

AGH CAST Team

Constructor Summary

ModifyAttributesCommand(AttributeValueContainer element, Collection<AttributeValue> newAttributeValues)
Creates new instance of attribute modification command.

Method Summary

boolean	canExecute() Command can be executed only if: attributes were added or removed attribute values were changed attribute's showAsLabel flag changed Otherwise, command cannot be executed.
void	execute()
protected void	fillAttributeHolder(Collection<AttributeValue> newAttributeValues) Changes attributes and it's values in attributesHolder to attributes attached in input newAttributesValues Collection.
void	undo()

Methods inherited from class org.eclipse.gef.commands.Command

canUndo, chain, dispose, getDebugLabel, getLabel, redo, setDebugLabel, setLabel

Methods inherited from class java.lang.Object

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

Constructor Detail

ModifyAttributesCommand

public ModifyAttributesCommand(AttributeValueContainer element,
                               Collection<AttributeValue> newAttributeValues)

Creates new instance of attribute modification command.

Parameters:

element - element whose attributes are to be modified

newAttributeValues - collection of new AttributeValues

Method Detail

canExecute

public boolean canExecute()

Command can be executed only if:

• attributes were added or removed
• attribute values were changed
• attribute's showAsLabel flag changed

Otherwise, command cannot be executed.

Overrides:

canExecute in class org.eclipse.gef.commands.Command

See Also:

Command.canExecute()

execute

public void execute()

Overrides:

execute in class org.eclipse.gef.commands.Command

See Also:

Command.execute()

undo

public void undo()

Overrides:

undo in class org.eclipse.gef.commands.Command

See Also:

Command.undo()

fillAttributeHolder

protected void fillAttributeHolder(Collection<AttributeValue> newAttributeValues)

Changes attributes and it's values in attributesHolder to attributes attached in input newAttributesValues Collection. Also change attributes' isLabel properties.

Parameters:

newAttributeValues - New attributes collection to set in attributesHolder.