dsto.dfc.swing.list
Class AbstractAddRowCommand

java.lang.Object
  dsto.dfc.swing.commands.AbstractCommand
      dsto.dfc.swing.commands.BasicAddEntryCommand
          dsto.dfc.swing.list.AbstractAddRowCommand

All Implemented Interfaces:

Command, Iconic, Copyable, ActionListener, Cloneable, EventListener

public abstract class AbstractAddRowCommand
extends BasicAddEntryCommand

Base class for "Add New Row"-type commands. Subclasses must implement createNewEntry() and may choose to override addEntry () and getIndexForNewEntry ().

Version:

$Revision$

Author:

Matthew Phillips

Field Summary

protected DfcList

list

Fields inherited from class dsto.dfc.swing.commands.AbstractCommand

displayName, icon

Fields inherited from interface dsto.dfc.swing.icons.Iconic

NULL_ICON

Constructor Summary

AbstractAddRowCommand(DfcList list)

Method Summary

protected boolean	addEntry(DfcListModel model, Object entry, int index) Subclasses may override this to change the way the entry is added to a model.
protected abstract Object	createNewEntry() Subclasses must override this to create a new entry for the list eg via showing a dialog.
void	execute() Executes command by calling createNewEntry (), and then adding the entry at the index specified by getIndexForNewEntry () by calling addEntry ().
protected int	getIndexForNewEntry(Object newEntry) Get the index for an entry to the list - subclasses may choose to override this.

Methods inherited from class dsto.dfc.swing.commands.BasicAddEntryCommand

getAccelerator, getDescription, getGroupInView, getIcon, getMnemonic, getName, isInteractive

Methods inherited from class dsto.dfc.swing.commands.AbstractCommand

actionPerformed, canReplace, clone, getDefaultDisplayName, getDisplayName, getLargeIcon, getLogString, isEnabled, setDisplayName, setIcon

Methods inherited from class java.lang.Object

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

Field Detail

list

protected DfcList list

Constructor Detail

AbstractAddRowCommand

public AbstractAddRowCommand(DfcList list)

Method Detail

execute

public void execute()

Executes command by calling createNewEntry (), and then adding the entry at the index specified by getIndexForNewEntry () by calling addEntry ().

Specified by:

execute in interface Command

Overrides:

execute in class BasicAddEntryCommand

addEntry

protected boolean addEntry(DfcListModel model,
                           Object entry,
                           int index)

Subclasses may override this to change the way the entry is added to a model.

Returns:

True if the entry was added.

createNewEntry

protected abstract Object createNewEntry()

Subclasses must override this to create a new entry for the list eg via showing a dialog.

Returns:

A new entry to be added to the list, or null if no entry should be added.

getIndexForNewEntry

protected int getIndexForNewEntry(Object newEntry)

Get the index for an entry to the list - subclasses may choose to override this. Default is to return the end of the list.