net.sf.doolin.gui.display
Class ConditionalJEXLDisplayStateHandler

java.lang.Object
  net.sf.doolin.gui.display.AbstractDisplayStateHandler
      net.sf.doolin.gui.display.ConditionalJEXLDisplayStateHandler

All Implemented Interfaces:

DisplayStateHandler

public class ConditionalJEXLDisplayStateHandler
extends AbstractDisplayStateHandler

Handler that evaluates a condition on a property of the context.

Author:

Damien Coraboeuf

Constructor Summary

ConditionalJEXLDisplayStateHandler()

Method Summary

String	getCondition()
DisplayState	getDisplayState(ActionContext actionContext) Gets the current DisplayState for the given action context
DisplayState	getIfFalseState() Gets the if false state.
DisplayState	getIfTrueState() Gets the if true state.
String	getPropertyPath() Gets the property path.
void	setCondition(String condition) Sets the JEXL condition, where 'model' is set for the context data
void	setIfFalseState(DisplayState ifFalseState) Display state to return when condition is evaluated to false
void	setIfTrueState(DisplayState ifTrueState) Display state to return when condition is evaluated to true
void	setPropertyPath(String propertyPath) Sets the path to the property in the context.
void	subscribe(ActionContext actionContext, Runnable task) Subscribes a task that is executed each time this display state handler changes its state.

Methods inherited from class net.sf.doolin.gui.display.AbstractDisplayStateHandler

connect, connect

Methods inherited from class java.lang.Object

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

Constructor Detail

ConditionalJEXLDisplayStateHandler

public ConditionalJEXLDisplayStateHandler()

Method Detail

getCondition

public String getCondition()

getDisplayState

public DisplayState getDisplayState(ActionContext actionContext)

Description copied from interface: DisplayStateHandler

Gets the current DisplayState for the given action context

Parameters:

actionContext - Action context.

Returns:

Display state

getIfFalseState

public DisplayState getIfFalseState()

Gets the if false state.

Returns:

the if false state

getIfTrueState

public DisplayState getIfTrueState()

Gets the if true state.

Returns:

the if true state

getPropertyPath

public String getPropertyPath()

Gets the property path.

Returns:

the property path

setCondition

public void setCondition(String condition)

Sets the JEXL condition, where 'model' is set for the context data

Parameters:

condition - JEXL expression

setIfFalseState

public void setIfFalseState(DisplayState ifFalseState)

Display state to return when condition is evaluated to false

Parameters:

ifFalseState - Display state to return when condition is evaluated to true

setIfTrueState

public void setIfTrueState(DisplayState ifTrueState)

Display state to return when condition is evaluated to true

Parameters:

ifTrueState - Display state to return when condition is evaluated to true

setPropertyPath

public void setPropertyPath(String propertyPath)

Sets the path to the property in the context.

Parameters:

propertyPath - the new property path

subscribe

public void subscribe(ActionContext actionContext,
                      Runnable task)

Description copied from interface: DisplayStateHandler

Subscribes a task that is executed each time this display state handler changes its state.

Parameters:

actionContext - Action context for this display state handler

task - Task to run each time the state change