/*
* ====================================================================
*
* 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.entity;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.ListenerList;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.part.EditorPart;
import org.objectstyle.wolips.eomodeler.core.model.EOEntity;
import org.objectstyle.wolips.eomodeler.core.model.EOModel;
import org.objectstyle.wolips.eomodeler.editors.IEntityEditor;
import org.objectstyle.wolips.eomodeler.editors.attributes.EOAttributesTableViewer;
import org.objectstyle.wolips.eomodeler.editors.relationships.EORelationshipsTableViewer;
public class EOEntityEditor extends EditorPart implements IEntityEditor, ISelectionProvider {
private EOAttributesTableViewer myAttributesTableViewer;
private EORelationshipsTableViewer myRelationshipsTableViewer;
private EOEntity myEntity;
private ListenerList myListenerList;
public EOEntityEditor() {
myListenerList = new ListenerList();
}
public EOModel getModel() {
return (myEntity == null) ? null : myEntity.getModel();
}
public void setEntity(EOEntity _entity) {
myEntity = _entity;
updateTableViewers();
}
public EOEntity getEntity() {
return myEntity;
}
public void doSave(IProgressMonitor _monitor) {
// DO NOTHING
}
public void doSaveAs() {
// DO NOTHING
}
public EOAttributesTableViewer getAttributesTableViewer() {
return myAttributesTableViewer;
}
public EORelationshipsTableViewer getRelationshipsTableViewer() {
return myRelationshipsTableViewer;
}
public void init(IEditorSite _site, IEditorInput _input) {
setSite(_site);
setInput(_input);
setEntity(null);
}
public boolean isDirty() {
return myEntity != null && myEntity.getModel().isDirty();
}
public boolean isSaveAsAllowed() {
return true;
}
public void createPartControl(Composite _parent) {
SashForm sashForm = new SashForm(_parent, SWT.VERTICAL);
sashForm.setLayoutData(new GridData(GridData.FILL_BOTH));
myAttributesTableViewer = new EOAttributesTableViewer(sashForm, SWT.NONE);
myAttributesTableViewer.setLayoutData(new GridData(GridData.FILL_BOTH));
myAttributesTableViewer.addSelectionChangedListener(new AttributeSelectionChangedListener());
myRelationshipsTableViewer = new EORelationshipsTableViewer(sashForm, SWT.NONE);
myRelationshipsTableViewer.setLayoutData(new GridData(GridData.FILL_BOTH));
myRelationshipsTableViewer.addSelectionChangedListener(new RelationshipSelectionChangedListener());
sashForm.setWeights(new int[] { 2, 1 });
updateTableViewers();
}
public void setFocus() {
// DO NOTHING
}
@Override
public void dispose() {
if (myRelationshipsTableViewer != null) {
myRelationshipsTableViewer.dispose();
}
if (myAttributesTableViewer != null) {
myAttributesTableViewer.dispose();
}
super.dispose();
}
protected void updateTableViewers() {
if (myRelationshipsTableViewer != null) {
myRelationshipsTableViewer.setEntity(myEntity);
}
if (myAttributesTableViewer != null) {
myAttributesTableViewer.setEntity(myEntity);
}
}
public void fireSelectionChanged(ISelection _selection) {
Object[] listeners = myListenerList.getListeners();
for (int i = 0; i < listeners.length; i++) {
((ISelectionChangedListener) listeners[i]).selectionChanged(new SelectionChangedEvent(this, _selection));
}
}
public void setSelection(ISelection _selection) {
myAttributesTableViewer.setSelection(_selection);
myRelationshipsTableViewer.setSelection(_selection);
}
public ISelection getSelection() {
ISelection selection = myAttributesTableViewer.getSelection();
if (selection.isEmpty()) {
selection = myRelationshipsTableViewer.getSelection();
}
return selection;
}
public void addSelectionChangedListener(ISelectionChangedListener _listener) {
myListenerList.add(_listener);
}
public void removeSelectionChangedListener(ISelectionChangedListener _listener) {
myListenerList.remove(_listener);
}
protected class AttributeSelectionChangedListener implements ISelectionChangedListener {
public void selectionChanged(SelectionChangedEvent _event) {
if (!_event.getSelection().isEmpty()) {
getRelationshipsTableViewer().setSelection(null);
fireSelectionChanged(_event.getSelection());
}
}
}
protected class RelationshipSelectionChangedListener implements ISelectionChangedListener {
public void selectionChanged(SelectionChangedEvent _event) {
if (!_event.getSelection().isEmpty()) {
getAttributesTableViewer().setSelection(null);
fireSelectionChanged(_event.getSelection());
}
}
}
}