ptolemy.actor.gt

Class GTEntityUtils

java.lang.Object

ptolemy.actor.gt.GTEntityUtils

public class GTEntityUtils
extends java.lang.Object

A set of utilities for handling GTEntities (instances of GTEntity).

Since:

Ptolemy II 7.1

Version:

$Id$

Author:

Thomas Huining Feng

Pt.AcceptedRating:

Red (tfeng)

Pt.ProposedRating:

Yellow (tfeng)

Constructor Summary

Constructors

Constructor and Description
GTEntityUtils()

Method Summary

Modifier and Type	Method and Description
static void	exportPortProperties(GTEntity entity, java.io.Writer output, int depth) For each port of the given entity, if the port's derived level is greater than 0 (i.e., it is created automatically by the entity), store the persistent attributes of the port in a "port" XML element.
static void	updateAppearance(GTEntity entity, GTIngredientsAttribute attribute) Update the appearance (icons and ports) of the entity with the change in a GTIngredientAttribute, such as a criterion or an operation.
static void	valueChanged(GTEntity entity, Settable settable) React to change of a settable contained in the entity and update the entity's appearance.

Methods inherited from class java.lang.Object

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

Constructor Detail

GTEntityUtils

public GTEntityUtils()

Method Detail

exportPortProperties

public static void exportPortProperties(GTEntity entity,
                                        java.io.Writer output,
                                        int depth)
                                 throws java.io.IOException

For each port of the given entity, if the port's derived level is greater than 0 (i.e., it is created automatically by the entity), store the persistent attributes of the port in a "port" XML element.

Parameters:

entity - The entity whose ports are looked at.

output - The output writer.

depth - The depth for the MoML output.

Throws:

java.io.IOException - If the output writer cannot be written to.

updateAppearance

public static void updateAppearance(GTEntity entity,
                                    GTIngredientsAttribute attribute)

Update the appearance (icons and ports) of the entity with the change in a GTIngredientAttribute, such as a criterion or an operation.

Parameters:

entity - The entity.

attribute - The attribute whose recent change leads to an update of the entity.

valueChanged

public static void valueChanged(GTEntity entity,
                                Settable settable)

React to change of a settable contained in the entity and update the entity's appearance.

Parameters:

entity - The entity that contains the settable.

settable - The settable whose value is changed.

See Also:

ValueListener.valueChanged(Settable)