er.directtoweb.assignments.delayed

Class ERDDelayedNavigationStateAssignment

java.lang.Object

com.webobjects.directtoweb.Assignment

er.directtoweb.assignments.delayed.ERDDelayedAssignment

er.directtoweb.assignments.delayed.ERDDelayedNavigationStateAssignment

All Implemented Interfaces:

EOKeyValueArchiving, Serializable

public class ERDDelayedNavigationStateAssignment
extends ERDDelayedAssignment

When using ERXNavigationMenu, this automatically sets the current navigation state via a low priority rule. If the user clicked a link in the navigation menu, the URL can be reliably matched via a dictionary of navigation states and URLs. When another link was clicked (e.g. "Find" on a query page, "Cancel" while editing), it looks at the current task and entity name in order to find a matching navigation item. It assumes your navigation elements are named according to the following conventions:

• task=list, entity.name=Movie => 'ListMovie' or 'SearchMovie'
• task=query, entity.name=Movie => 'SearchMovie'

You may still have to define a rule for the initial navigation state after login, if it cannot be resolved with the simple conventions above.
While it should set the vast majority of navigation states correctly, you can override the default choice via a rule such as:

 100 : pageConfiguration = 'ListMovie' => navigationState = "Movies.ListMovie" [com.webobjects.directtoweb.Assignment]
 

In the same way, you can disable it entirely, e.g. via:

 50 : *true* => navigationState = (null) [com.webobjects.directtoweb.Assignment]
 

See Also:

Serialized Form

Author:

fpeters

Nested Class Summary

Nested classes/interfaces inherited from interface com.webobjects.eocontrol.EOKeyValueArchiving

EOKeyValueArchiving._NullValueSupport, EOKeyValueArchiving._NumberSupport, EOKeyValueArchiving._TimestampSupport, EOKeyValueArchiving.Awaking, EOKeyValueArchiving.FinishInitialization, EOKeyValueArchiving.Support

Field Summary

Fields inherited from class com.webobjects.directtoweb.Assignment

KeyPathKey, ValueKey

Fields inherited from interface com.webobjects.eocontrol.EOKeyValueArchiving

_CLASS

Constructor Summary

Constructors

Constructor and Description
ERDDelayedNavigationStateAssignment(EOKeyValueUnarchiver u) Public constructor
ERDDelayedNavigationStateAssignment(String key, Object value) Public constructor

Method Summary

Modifier and Type	Method and Description
static Object	decodeWithKeyValueUnarchiver(EOKeyValueUnarchiver eokeyvalueunarchiver) Static constructor required by the EOKeyValueUnarchiver interface.
Object	fireNow(com.webobjects.directtoweb.D2WContext c) Implemented by subclasses.

Methods inherited from class er.directtoweb.assignments.delayed.ERDDelayedAssignment

fire

Methods inherited from class com.webobjects.directtoweb.Assignment

encodeWithKeyValueArchiver, keyPath, toString, value, value

Methods inherited from class java.lang.Object

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

Constructor Detail

ERDDelayedNavigationStateAssignment

public ERDDelayedNavigationStateAssignment(EOKeyValueUnarchiver u)

Public constructor

Parameters:

u - key-value unarchiver used when unarchiving from rule files.

ERDDelayedNavigationStateAssignment

public ERDDelayedNavigationStateAssignment(String key,
                                           Object value)

Public constructor

Parameters:

key - context key

value - of the assignment

Method Detail

decodeWithKeyValueUnarchiver

public static Object decodeWithKeyValueUnarchiver(EOKeyValueUnarchiver eokeyvalueunarchiver)

Static constructor required by the EOKeyValueUnarchiver interface. If this isn't implemented then the default behavior is to construct the first super class that does implement this method. Very lame.

Parameters:

eokeyvalueunarchiver - to be unarchived

Returns:

decoded assignment of this class

fireNow

public Object fireNow(com.webobjects.directtoweb.D2WContext c)

Description copied from class: ERDDelayedAssignment

Implemented by subclasses.

Specified by:

fireNow in class ERDDelayedAssignment