Package org.opennms.features.topology.app.internal.menu

Class SimpleMenuItem

java.lang.Object

org.opennms.features.topology.app.internal.menu.AbstractMenuItem

org.opennms.features.topology.app.internal.menu.SimpleMenuItem

All Implemented Interfaces:

java.lang.Comparable<MenuItem>, MenuItem

public class SimpleMenuItem
extends AbstractMenuItem

A simple implementation for a MenuItem which always returns true for isVisible(List, OperationContext) and isEnabled(List, OperationContext), but false for AbstractMenuItem.isCheckable() and isChecked(List, OperationContext)

Author:

mvrueden

Constructor Summary

Constructors

Constructor	Description
SimpleMenuItem(java.lang.String label)

Method Summary

Modifier and Type	Method	Description
MenuCommand	getCommand()	Returns the command to execute if the MenuItem is selected.
boolean	isChecked(java.util.List<VertexRef> targets, OperationContext operationContext)	Defines if the current MenuItem is checked.
boolean	isEnabled(java.util.List<VertexRef> targets, OperationContext operationContext)	Defines if the current MenuItem is enabled.
boolean	isVisible(java.util.List<VertexRef> targets, OperationContext operationContext)	Defines if the current MenuItem is visible.
void	setCommand(MenuCommand command)

Methods inherited from class org.opennms.features.topology.app.internal.menu.AbstractMenuItem

addChildren, getChildren, getLabel, getOrder, isCheckable, setCheckable, setLabel, setOrder

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.opennms.features.topology.app.internal.menu.MenuItem

compareTo

Constructor Detail

SimpleMenuItem

public SimpleMenuItem(java.lang.String label)

Method Detail

isVisible

public boolean isVisible(java.util.List<VertexRef> targets,
                         OperationContext operationContext)

Description copied from interface: MenuItem

Defines if the current MenuItem is visible.

Parameters:

targets - The current targets (e.g. the selection)

operationContext - The current OperationContext.

Returns:

True if visible, false otherwise.

isEnabled

public boolean isEnabled(java.util.List<VertexRef> targets,
                         OperationContext operationContext)

Description copied from interface: MenuItem

Defines if the current MenuItem is enabled. If MenuItem.isVisible(List, OperationContext) returns false, this is never called.

Parameters:

targets - The current targets (e.g. the selection)

operationContext - The current OperationContext.

Returns:

True if enabled, false otherwise.

isChecked

public boolean isChecked(java.util.List<VertexRef> targets,
                         OperationContext operationContext)

Description copied from interface: MenuItem

Defines if the current MenuItem is checked. If MenuItem.isCheckable() returns false, this is never called.

Parameters:

targets - The current targets (e.g. the selection)

operationContext - The current OperationContext.

Returns:

True if it is checked, false otherwise.

getCommand

public MenuCommand getCommand()

Description copied from interface: MenuItem

Returns the command to execute if the MenuItem is selected. Please Note, that it MUST return null if MenuItem.getChildren() is NOT empty.

Returns:

the command to execute if the MenuItem is selected, or null if MenuItem.getChildren() is NOT empty.

setCommand

public void setCommand(MenuCommand command)