/*
* ====================================================================
*
* 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.
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* 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
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* 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,
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* ====================================================================
*
* 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/>.
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package org.objectstyle.wolips.eomodeler.editors.relationships;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.jface.viewers.CellEditor;
import org.eclipse.jface.viewers.CheckboxCellEditor;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.objectstyle.wolips.baseforuiplugins.utils.ErrorUtils;
import org.objectstyle.wolips.baseforuiplugins.utils.TableRowDoubleClickHandler;
import org.objectstyle.wolips.baseforuiplugins.utils.WOTextCellEditor;
import org.objectstyle.wolips.eomodeler.Activator;
import org.objectstyle.wolips.eomodeler.Messages;
import org.objectstyle.wolips.eomodeler.core.model.EOEntity;
import org.objectstyle.wolips.eomodeler.core.model.EOModelObject;
import org.objectstyle.wolips.eomodeler.core.model.EORelationship;
import org.objectstyle.wolips.eomodeler.utils.StayEditingCellEditorListener;
import org.objectstyle.wolips.eomodeler.utils.TableRefreshPropertyListener;
import org.objectstyle.wolips.eomodeler.utils.TableRowRefreshPropertyListener;
import org.objectstyle.wolips.eomodeler.utils.TableUtils;
public class EORelationshipsTableViewer extends Composite implements ISelectionProvider {
private TableViewer myRelationshipsTableViewer;
private EOEntity myEntity;
private TableRefreshPropertyListener myRelationshipsChangedRefresher;
private TableRefreshPropertyListener myParentChangedRefresher;
private TableRowRefreshPropertyListener myTableRowRefresher;
private List<ISelectionChangedListener> mySelectionListeners;
public EORelationshipsTableViewer(Composite _parent, int _style) {
super(_parent, _style);
setLayout(new FillLayout());
mySelectionListeners = new LinkedList<ISelectionChangedListener>();
myRelationshipsTableViewer = TableUtils.createTableViewer(this, SWT.MULTI | SWT.FULL_SELECTION, "EORelationship", EORelationship.class.getName(), new EORelationshipsContentProvider(), null, new EORelationshipsViewerSorter(EORelationship.class.getName()));
myRelationshipsTableViewer.setLabelProvider(new EORelationshipsLabelProvider(myRelationshipsTableViewer, EORelationship.class.getName()));
new DoubleClickNewRelationshipHandler(myRelationshipsTableViewer).attach();
myRelationshipsChangedRefresher = new TableRefreshPropertyListener("RelationshipsChanged", myRelationshipsTableViewer);
myParentChangedRefresher = new TableRefreshPropertyListener("EntityParentChanged", myRelationshipsTableViewer);
myTableRowRefresher = new TableRowRefreshPropertyListener(myRelationshipsTableViewer);
Table relationshipsTable = myRelationshipsTableViewer.getTable();
relationshipsTable.setLayoutData(new GridData(GridData.FILL_BOTH));
TableColumn toManyColumn = TableUtils.getColumn(myRelationshipsTableViewer, EORelationship.class.getName(), EORelationship.TO_MANY);
if (toManyColumn != null) {
toManyColumn.setText("");
}
TableColumn classPropertyColumn = TableUtils.getColumn(myRelationshipsTableViewer, EORelationship.class.getName(), EORelationship.CLASS_PROPERTY);
if (classPropertyColumn != null) {
classPropertyColumn.setText("");
classPropertyColumn.setImage(Activator.getDefault().getImageRegistry().get(Activator.CLASS_PROPERTY_ICON));
}
TableColumn allowNullColumn = TableUtils.getColumn(myRelationshipsTableViewer, EORelationship.class.getName(), EORelationship.OPTIONAL);
if (allowNullColumn != null) {
allowNullColumn.setText("");
allowNullColumn.setImage(Activator.getDefault().getImageRegistry().get(Activator.ALLOW_NULL_ICON));
//allowNullColumn.setAlignment(SWT.CENTER);
}
TableUtils.sort(myRelationshipsTableViewer, EORelationship.NAME);
CellEditor[] cellEditors = new CellEditor[TableUtils.getColumnsForTableNamed(EORelationship.class.getName()).length];
TableUtils.setCellEditor(EORelationship.class.getName(), EORelationship.TO_MANY, new CheckboxCellEditor(), cellEditors);
TableUtils.setCellEditor(EORelationship.class.getName(), EORelationship.CLASS_PROPERTY, new CheckboxCellEditor(), cellEditors);
TableUtils.setCellEditor(EORelationship.class.getName(), EORelationship.OPTIONAL, new CheckboxCellEditor(), cellEditors);
TableUtils.setCellEditor(EORelationship.class.getName(), EORelationship.NAME, new WOTextCellEditor(relationshipsTable), cellEditors);
myRelationshipsTableViewer.setCellModifier(new EORelationshipsCellModifier(myRelationshipsTableViewer));
myRelationshipsTableViewer.setCellEditors(cellEditors);
new StayEditingCellEditorListener(myRelationshipsTableViewer, EORelationship.class.getName(), EORelationship.NAME);
}
public void setEntity(EOEntity _entity) {
if (myEntity != null) {
myRelationshipsChangedRefresher.stop();
myEntity.removePropertyChangeListener(EOEntity.PARENT, myParentChangedRefresher);
myEntity.removePropertyChangeListener(EOEntity.RELATIONSHIPS, myRelationshipsChangedRefresher);
myEntity.removePropertyChangeListener(EOEntity.RELATIONSHIP, myTableRowRefresher);
}
myEntity = _entity;
if (myEntity != null) {
myRelationshipsTableViewer.setInput(myEntity);
TableUtils.packTableColumns(myRelationshipsTableViewer);
TableColumn nameColumn = TableUtils.getColumn(myRelationshipsTableViewer, EORelationship.class.getName(), EORelationship.NAME);
if (nameColumn != null) {
nameColumn.setWidth(Math.max(nameColumn.getWidth(), 100));
}
myEntity.addPropertyChangeListener(EOEntity.PARENT, myParentChangedRefresher);
myRelationshipsChangedRefresher.start();
myEntity.addPropertyChangeListener(EOEntity.RELATIONSHIPS, myRelationshipsChangedRefresher);
myEntity.addPropertyChangeListener(EOEntity.RELATIONSHIP, myTableRowRefresher);
}
}
@Override
public void dispose() {
myRelationshipsChangedRefresher.stop();
super.dispose();
}
public EOEntity getEntity() {
return myEntity;
}
public TableViewer getTableViewer() {
return myRelationshipsTableViewer;
}
public void addSelectionChangedListener(ISelectionChangedListener _listener) {
myRelationshipsTableViewer.addSelectionChangedListener(_listener);
mySelectionListeners.add(_listener);
}
public void removeSelectionChangedListener(ISelectionChangedListener _listener) {
myRelationshipsTableViewer.removeSelectionChangedListener(_listener);
mySelectionListeners.remove(_listener);
}
public ISelection getSelection() {
return myRelationshipsTableViewer.getSelection();
}
public void setSelection(ISelection _selection) {
myRelationshipsTableViewer.setSelection(_selection);
}
protected List getSelectionListeners() {
return mySelectionListeners;
}
protected TableViewer getRelationshipsTableViewer() {
return myRelationshipsTableViewer;
}
protected class DoubleClickNewRelationshipHandler extends TableRowDoubleClickHandler {
public DoubleClickNewRelationshipHandler(TableViewer _viewer) {
super(_viewer);
}
protected void emptyDoubleSelectionOccurred() {
try {
EORelationshipsTableViewer.this.getEntity().addBlankRelationship(Messages.getString("EORelationship.newName"));
} catch (Throwable e) {
ErrorUtils.openErrorDialog(Display.getDefault().getActiveShell(), e);
}
}
protected void doubleSelectionOccurred(ISelection _selection) {
EORelationship relationship = (EORelationship) ((IStructuredSelection) _selection).getFirstElement();
EOModelObject jumpToModelObject = null;
EORelationship inverseRelationship = relationship.getInverseRelationship();
if (inverseRelationship != null) {
jumpToModelObject = inverseRelationship;
} else {
EOEntity destination = relationship.getDestination();
jumpToModelObject = destination;
}
if (jumpToModelObject != null) {
Iterator selectionListenersIter = EORelationshipsTableViewer.this.getSelectionListeners().iterator();
while (selectionListenersIter.hasNext()) {
ISelectionChangedListener selectionChangedListener = (ISelectionChangedListener) selectionListenersIter.next();
selectionChangedListener.selectionChanged(new SelectionChangedEvent(EORelationshipsTableViewer.this.getRelationshipsTableViewer(), new StructuredSelection(jumpToModelObject)));
}
}
}
}
}