/**
* Execute the change request by retrieving the icon description or EditorIcon of the single
* entity in the container given in the constructor and copying it to the entity given in the
* constructor.
*
* @exception Exception If the icon cannot be retrieved, or it cannot be associated with the
* entity.
*/
protected void _execute() throws Exception {
ComponentEntity actor;
try {
_container.workspace().getReadAccess();
actor = (ComponentEntity) _container.entityList().get(0);
} finally {
_container.workspace().doneReading();
}
if (!_removeEditorIcons(_entity)) {
return;
}
ConfigurableAttribute actorAttribute =
(ConfigurableAttribute) actor.getAttribute("_iconDescription");
String iconDescription = actorAttribute.getConfigureText();
_setIconDescription(_entity, iconDescription);
try {
actor.workspace().getReadAccess();
List<?> editorIconList = actor.attributeList(EditorIcon.class);
for (Object editorIconObject : editorIconList) {
EditorIcon editorIcon = (EditorIcon) editorIconObject;
EditorIcon icon = (EditorIcon) editorIcon.clone(((NamedObj) _entity).workspace());
icon.setName("_icon");
EditorIcon oldIcon = (EditorIcon) ((NamedObj) _entity).getAttribute("_icon");
if (oldIcon != null) {
oldIcon.setContainer(null);
}
icon.setContainer((NamedObj) _entity);
icon.setPersistent(false);
break;
}
} finally {
actor.workspace().doneReading();
}
}
/**
* Remove the EditorIcons defined for the entity.
*
* @param entity The entity.
* @return true if at least one EditorIcon is found and removed; false otherwise.
* @exception KernelException If error occurs while removing the EditorIcons.
*/
private static boolean _removeEditorIcons(GTEntity entity) throws KernelException {
NamedObj object = (NamedObj) entity;
boolean foundPersistentIcon = false;
try {
object.workspace().getReadAccess();
for (Object iconObject : object.attributeList(EditorIcon.class)) {
EditorIcon icon = (EditorIcon) iconObject;
if (icon.isPersistent()) {
foundPersistentIcon = true;
} else {
icon.setContainer(null);
}
}
} finally {
object.workspace().doneReading();
}
return !foundPersistentIcon;
}
