/*******************************************************************************
* 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
* Foundation is provided to you under the terms and conditions of the Eclipse
* Public License Version 1.0 ("EPL"). A copy of the EPL is provided with this
* Content and is also available at http://www.eclipse.org/legal/epl-v10.html.
*
* 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
*
* 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
*
* This product contains software developed by the Apache Software Foundation
* (http://www.apache.org/)
*
* jopt-simple version 1.0
*
* Copyright (c) 2004-2013 Paul R. Holser, Jr.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
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* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* 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
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/.
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*
* The J2SE(TM) Java Runtime Environment version 5.0
*
* Copyright 2009 Sun Microsystems, Inc., 4150
* Network Circle, Santa Clara, California 95054, U.S.A. All
* rights reserved. U.S.
* See the LICENSE file in the jre folder for more information.
******************************************************************************/
package edu.cmu.cs.hcii.cogtool.ui;
import java.util.EventObject;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableItem;
import edu.cmu.cs.hcii.cogtool.model.DefaultModelGeneratorState;
import edu.cmu.cs.hcii.cogtool.util.Alerter;
/**
* Only one script step state may be selected at a time.
* If <code>null</code>, then the last "state" is selected.
*/
public class SEDemoSelectionState extends Alerter
implements SelectionState
{
public static class StepStateSelectionChange extends EventObject
{
public boolean selected;
public DefaultModelGeneratorState changedState = null;
public StepStateSelectionChange(SEDemoSelectionState selnState,
boolean isSelected)
{
super(selnState);
selected = isSelected;
}
public StepStateSelectionChange(SEDemoSelectionState selnState,
DefaultModelGeneratorState stepState,
boolean isSelected)
{
this(selnState, isSelected);
changedState = stepState;
}
}
protected StepStateSelectionChange changeAlert =
new StepStateSelectionChange(this, false);
protected Table table;
protected DefaultModelGeneratorState previousSelection = null;
public SEDemoSelectionState(Table tbl)
{
table = tbl;
}
public TableItem getSelectedStateRow()
{
TableItem[] items = table.getSelection();
if (items.length > 1) {
throw new IllegalStateException("Cannot support multiple selection of states");
}
if (items.length == 1) {
return items[0];
}
return null;
}
public DefaultModelGeneratorState getSelectedState()
{
TableItem selectedItem = getSelectedStateRow();
if (selectedItem != null) {
Object selectedState = selectedItem.getData();
if (selectedState instanceof DefaultModelGeneratorState) {
return (DefaultModelGeneratorState) selectedState;
}
}
return null;
}
public boolean isSelected(DefaultModelGeneratorState stepState)
{
return stepState == getSelectedState();
}
public void setSelectedStateIndex(int row)
{
setSelectedState(table.getItem(row));
}
public void setSelectedState(TableItem stateRow)
{
DefaultModelGeneratorState stepState = null;
if (stateRow == null) {
// highlight last item
table.setSelection(table.getItemCount() - 1);
}
else {
table.setSelection(stateRow);
Object selectedState = stateRow.getData();
if (selectedState instanceof DefaultModelGeneratorState) {
stepState = (DefaultModelGeneratorState) selectedState;
}
}
previousSelection = stepState;
changeAlert.changedState = stepState;
changeAlert.selected = true;
raiseAlert(changeAlert);
}
public DefaultModelGeneratorState getPreviousSelection()
{
return previousSelection;
}
public void deselectAll()
{
changeAlert.changedState = getSelectedState();
changeAlert.selected = false;
table.deselectAll();
raiseAlert(changeAlert);
}
}