/*******************************************************************************
* CogTool Copyright Notice and Distribution Terms
* CogTool 1.3, Copyright (c) 2005-2013 Carnegie Mellon University
* This software is distributed under the terms of the FSF Lesser
* Gnu Public License (see LGPL.txt).
*
* CogTool is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* CogTool is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with CogTool; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* CogTool makes use of several third-party components, with the
* following notices:
*
* Eclipse SWT version 3.448
* Eclipse GEF Draw2D version 3.2.1
*
* Unless otherwise indicated, all Content made available by the Eclipse
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*
* CLISP version 2.38
*
* Copyright (c) Sam Steingold, Bruno Haible 2001-2006
* This software is distributed under the terms of the FSF Gnu Public License.
* See COPYRIGHT file in clisp installation folder for more information.
*
* ACT-R 6.0
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* Copyright (c) 1998-2007 Dan Bothell, Mike Byrne, Christian Lebiere &
* John R Anderson.
* This software is distributed under the terms of the FSF Lesser
* Gnu Public License (see LGPL.txt).
*
* Apache Jakarta Commons-Lang 2.1
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* This product contains software developed by the Apache Software Foundation
* (http://www.apache.org/)
*
* jopt-simple version 1.0
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* Copyright (c) 2004-2013 Paul R. Holser, Jr.
*
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* a copy of this software and associated documentation files (the
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Mozilla XULRunner 1.9.0.5
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
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* http://www.mozilla.org/MPL/.
* Software distributed under the License is distributed on an "AS IS"
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* The J2SE(TM) Java Runtime Environment version 5.0
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******************************************************************************/
package edu.cmu.cs.hcii.cogtool.uimodel;
import java.util.Iterator;
import java.util.NoSuchElementException;
import edu.cmu.cs.hcii.cogtool.model.DefaultModelGeneratorState;
import edu.cmu.cs.hcii.cogtool.model.Design;
import edu.cmu.cs.hcii.cogtool.model.Frame;
import edu.cmu.cs.hcii.cogtool.model.Script;
import edu.cmu.cs.hcii.cogtool.model.TaskApplication;
import edu.cmu.cs.hcii.cogtool.model.TaskGroup;
import edu.cmu.cs.hcii.cogtool.model.AUndertaking;
import edu.cmu.cs.hcii.cogtool.model.Project;
import edu.cmu.cs.hcii.cogtool.model.Project.ITaskDesign;
import edu.cmu.cs.hcii.cogtool.view.SWTListGroupScript;
public class GroupScriptUIModel extends DefaultScriptUIModel
{
public class GroupScriptIterator implements Iterator<DefaultModelGeneratorState>
{
protected DefaultModelGeneratorState curState = null;
protected Script curScript = null;
protected Iterator<AUndertaking> tasks;
protected Iterator<DefaultModelGeneratorState> scriptSteps = null;
protected Design design = taskDesign.getDesign();
public GroupScriptIterator(Iterator<AUndertaking> taskIter)
{
tasks = taskIter;
}
public Script getCurrentScript()
{
return curScript;
}
public boolean hasNext()
{
// can continue if curScript is non-null and the current step is not
// the last in the script OR if there are more tasks to be stepped
// through
if (tasks != null) {
while (curState == null) {
if ((scriptSteps != null) &&
scriptSteps.hasNext())
{
curState = scriptSteps.next();
// This will cause the loop to exit "successfully"
}
else {
// Exhausted the current scripts steps; reset
curScript = null;
scriptSteps = null;
// Check if there might be another script to check
if (tasks.hasNext()) {
AUndertaking task = tasks.next();
TaskApplication ta =
project.getTaskApplication(task, design);
// There must be a valid TaskApplication
if (ta != null) {
curScript = ta.getOnlyScript();
// There must be a script for the modelGen
if (curScript != null) {
scriptSteps =
curScript.getStepStates().iterator();
// This will loop above and check if
// there are any IScriptSteps in the Script
}
// else: scriptSteps remains null
}
// else: both curScript and scriptSteps are null
// In both "else" cases, re-enter the loop and
// check if there is another task to check.
}
else {
// Exhausted all tasks; nothing left to check
tasks = null;
return false;
}
}
}
return true;
}
return false;
}
public DefaultModelGeneratorState next()
{
if (hasNext()) {
DefaultModelGeneratorState toReturn = curState;
curState = null;
return toReturn;
}
throw new NoSuchElementException();
}
public void remove()
{
throw new UnsupportedOperationException();
}
}
protected ITaskDesign taskDesign;
public GroupScriptUIModel(ITaskDesign td, Frame startFrame, Project proj)
{
super(proj);
if ((td == null) || (! (td.getTask() instanceof TaskGroup))) {
throw new IllegalArgumentException
("Cannot create a GroupScriptUIModel with an invalid TaskDesign");
}
taskDesign = td;
rowRenderer =
new SWTListGroupScript(5, project, taskDesign, startFrame);
}
public GroupScriptIterator getGroupSteps()
{
TaskGroup group = (TaskGroup) taskDesign.getTask();
return new GroupScriptIterator(group.getUndertakings().iterator());
}
public Script getScript(DefaultModelGeneratorState state)
{
return ((SWTListGroupScript) rowRenderer).getScript(state);
}
}