// $Id: ActionStateDiagram.java 15723 2008-09-16 20:19:50Z mvw $
// Copyright (c) 1996-2008 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies. This software program and
// documentation are copyrighted by The Regents of the University of
// California. The software program and documentation are supplied "AS
// IS", without any accompanying services from The Regents. The Regents
// does not warrant that the operation of the program will be
// uninterrupted or error-free. The end-user understands that the program
// was developed for research purposes and is advised not to rely
// exclusively on the program for any reason. IN NO EVENT SHALL THE
// UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
// ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
// THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
// PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
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package org.argouml.uml.ui;
import org.argouml.kernel.Project;
import org.argouml.kernel.ProjectManager;
import org.argouml.model.Model;
import org.argouml.ui.targetmanager.TargetManager;
import org.argouml.uml.diagram.ArgoDiagram;
import org.argouml.uml.diagram.DiagramFactory;
import org.argouml.uml.diagram.state.ui.UMLStateDiagram;
/**
* Action to create a new statechart diagram.
*/
public class ActionStateDiagram extends ActionNewDiagram {
/**
* Constructor.
*/
public ActionStateDiagram() {
super("action.state-diagram");
}
/*
* @see org.argouml.uml.ui.ActionNewDiagram#createDiagram()
*/
protected ArgoDiagram createDiagram(Object namespace) {
Object target = TargetManager.getInstance().getModelTarget();
if (Model.getFacade().isAUMLElement(target)
&& Model.getModelManagementHelper().isReadOnly(target)) {
target = namespace;
}
Object machine = null;
if (Model.getStateMachinesHelper().isAddingStatemachineAllowed(
target)) {
/* The target is a valid context. */
machine = Model.getStateMachinesFactory().buildStateMachine(target);
} else if (Model.getFacade().isAStateMachine(target)
&& hasNoDiagramYet(target)) {
/* This target is a statemachine,
* for which no diagram exists yet,
* so, let's use it. */
machine = target;
} else {
/* Let's just build a Statemachine,
* and put it in a suitable namespace. */
machine = Model.getStateMachinesFactory().createStateMachine();
if (Model.getFacade().isANamespace(target)) {
namespace = target;
}
Model.getCoreHelper().setNamespace(machine, namespace);
Model.getStateMachinesFactory()
.buildCompositeStateOnStateMachine(machine);
}
return DiagramFactory.getInstance().createDiagram(
DiagramFactory.DiagramType.State,
Model.getFacade().getNamespace(machine),
machine);
}
private boolean hasNoDiagramYet(Object machine) {
Project p = ProjectManager.getManager().getCurrentProject();
for (ArgoDiagram d : p.getDiagramList()) {
if (d instanceof UMLStateDiagram) {
if (((UMLStateDiagram) d).getStateMachine() == machine) {
return false;
}
}
}
return true;
}
/**
* The UID.
*/
private static final long serialVersionUID = -5197718695001757808L;
}