/*
* ====================================================================
*
* The ObjectStyle Group Software License, Version 1.0
*
* Copyright (c) 2006 The ObjectStyle Group and individual authors of the
* software. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowlegement: "This product includes software
* developed by the ObjectStyle Group (http://objectstyle.org/)." Alternately,
* this acknowlegement may appear in the software itself, if and wherever such
* third-party acknowlegements normally appear.
*
* 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse or
* promote products derived from this software without prior written permission.
* For written permission, please contact andrus@objectstyle.org.
*
* 5. Products derived from this software may not be called "ObjectStyle" nor
* may "ObjectStyle" appear in their names without prior written permission of
* the ObjectStyle Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* OBJECTSTYLE GROUP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals on
* behalf of the ObjectStyle Group. For more information on the ObjectStyle
* Group, please see <http://objectstyle.org/>.
*
*/
package org.objectstyle.wolips.eomodeler.editors.entities;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.TableViewer;
import org.objectstyle.wolips.baseforuiplugins.utils.KeyComboBoxCellEditor;
import org.objectstyle.wolips.eomodeler.Messages;
import org.objectstyle.wolips.eomodeler.core.model.EOEntity;
import org.objectstyle.wolips.eomodeler.core.model.EOModel;
import org.objectstyle.wolips.eomodeler.utils.TablePropertyCellModifier;
import org.objectstyle.wolips.eomodeler.utils.TableUtils;
public class EOEntitiesCellModifier extends TablePropertyCellModifier {
private static final String NO_PARENT_VALUE = Messages.getString("EOEntitiesCellModifier.noParent");
private CellEditor[] myCellEditors;
private List myEntityNames;
public EOEntitiesCellModifier(TableViewer _modelTableViewer, CellEditor[] _cellEditors) {
super(_modelTableViewer);
myCellEditors = _cellEditors;
}
protected boolean _canModify(Object _element, String _property) {
if (EOEntity.PARENT.equals(_property)) {
EOModel model = (EOModel) getTableViewer().getInput();
myEntityNames = new LinkedList(model.getModelGroup().getEntityNames());
myEntityNames.add(0, EOEntitiesCellModifier.NO_PARENT_VALUE);
String[] entityNames = (String[]) myEntityNames.toArray(new String[myEntityNames.size()]);
int columnNumber = TableUtils.getColumnNumberForTablePropertyNamed(EOEntity.class.getName(), _property);
if (columnNumber != -1) {
KeyComboBoxCellEditor cellEditor = (KeyComboBoxCellEditor) myCellEditors[columnNumber];
cellEditor.setItems(entityNames);
}
}
return true;
}
public Object getValue(Object _element, String _property) {
EOEntity entity = (EOEntity) _element;
Object value = null;
if (EOEntity.PARENT.equals(_property)) {
EOEntity parent = entity.getParent();
String parentName;
if (parent == null) {
parentName = EOEntitiesCellModifier.NO_PARENT_VALUE;
} else {
parentName = parent.getName();
}
value = new Integer(myEntityNames.indexOf(parentName));
} else {
value = super.getValue(_element, _property);
}
return value;
}
protected boolean _modify(Object _element, String _property, Object _value) throws Throwable {
boolean modified = false;
EOEntity entity = (EOEntity) _element;
if (EOEntity.PARENT.equals(_property)) {
Integer parentNameIndex = (Integer) _value;
int parentNameIndexInt = parentNameIndex.intValue();
String parentName = (parentNameIndexInt == -1) ? null : (String) myEntityNames.get(parentNameIndexInt);
if (EOEntitiesCellModifier.NO_PARENT_VALUE.equals(parentName)) {
entity.setParent(null);
} else {
EOEntity parent = entity.getModel().getModelGroup().getEntityNamed(parentName);
entity.setParent(parent);
}
modified = true;
}
return modified;
}
}