org.fopps.ui.actions
Class ItemAction

java.lang.Object
  |
  +--javax.swing.AbstractAction
        |
        +--org.fopps.ui.actions.BaseAction
              |
              +--org.fopps.ui.actions.ItemAction

All Implemented Interfaces:

javax.swing.Action, java.awt.event.ActionListener, java.lang.Cloneable, java.lang.Comparable, java.util.EventListener, java.awt.event.ItemListener, java.io.Serializable

Direct Known Subclasses:

CompileAction, DeleteAction

public abstract class ItemAction

extends BaseAction

ItemAction is the base class for all item action (actions operating on AbstractItem's)

Author:

Oliver Wieland

See Also:

Serialized Form

Field Summary

Fields inherited from class org.fopps.ui.actions.BaseAction

GROUP, selectedItems

Fields inherited from class javax.swing.AbstractAction

changeSupport, enabled

Fields inherited from interface javax.swing.Action

ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SHORT_DESCRIPTION, SMALL_ICON

Constructor Summary

ItemAction(ActionHandler pListener)

ItemAction(java.lang.String name, ActionHandler pListener)

ItemAction(java.lang.String name, javax.swing.Icon icon, ActionHandler pListener)

Method Summary

boolean	acceptSelection() Indicates, if an action is able to work with the selected items.
int	itemsNeeded() Returns the number of items needed to perform this action.

Methods inherited from class org.fopps.ui.actions.BaseAction

actionPerformed, addToMenu, addToPopup, addToToolBar, clearSelection, compareTo, getAccelerator, getActionHandler, getApplication, getContainer, getGroup, getIcon, getLocaleName, getLongDescription, getMnemonic, getName, getSelectedItems, getSelectionSize, getShortDescription, isStringPropertySet, isTogglable, itemInSelection, itemStateChanged, setAccelerator, setAccelerator, setAcceleratorWithAlt, setAcceleratorWithCtrl, setAcceleratorWithShift, setGroup, setLocaleName, setLongDescription, setMnemonic, setMnemonic, setShortDescription, toString, updateState

Methods inherited from class javax.swing.AbstractAction

addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled

Methods inherited from class java.lang.Object

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

Constructor Detail

ItemAction

public ItemAction(ActionHandler pListener)

ItemAction

public ItemAction(java.lang.String name,
                  ActionHandler pListener)

ItemAction

public ItemAction(java.lang.String name,
                  javax.swing.Icon icon,
                  ActionHandler pListener)

Method Detail

acceptSelection

public boolean acceptSelection()

Indicates, if an action is able to work with the selected items. If acceptSelection returns false, the action will be disabled. This method is called after every selection change. ItemAction's accept selection which contain only intsances of AbstractItem

Overrides:

acceptSelection in class BaseAction

Returns:

true, if action is able to operate on current selection

itemsNeeded

public int itemsNeeded()

Returns the number of items needed to perform this action. Default is 1