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/*******************************************************************************
* Copyright (c) 2012 TESIS DYNAware GmbH and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Torsten Sommer <torsten.sommer@tesis.de> - initial API and implementation
*******************************************************************************/
package org.eclipse.fx.emf.edit.ui;
import javafx.scene.Node;
import javafx.scene.control.Cell;
import javafx.scene.control.TableCell;
import javafx.scene.control.TreeTableCell;
import javafx.scene.control.TreeTableColumn;
import javafx.util.Callback;
import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.Notifier;
import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.edit.provider.ITableItemColorProvider;
import org.eclipse.emf.edit.provider.ITableItemFontProvider;
import org.eclipse.emf.edit.provider.ITableItemLabelProvider;
/**
* This list cell factory wraps an {@link AdapterFactory} and delegates calls to its {@link TableCell}s to the
* corresponding adapter-implemented item provider interfaces.
*
* <ul>
* <li>{@link Cell#setText(String)} and {@link Cell#setGraphic(Node)} are delegated to
* {@link ITableItemLabelProvider}</li>
* <li>{@link Cell#setTextFill(javafx.scene.paint.Paint)} and the CSS property
* <code>-fx-background-color</code> are delegated to {@link ITableItemColorProvider}</li>
* <li>{@link Cell#setFont(javafx.scene.text.Font)} is delegated to {@link ITableItemFontProvider}</li>
* </ul>
*/
public class AdapterFactoryTreeTableCellFactory<S, T> extends AdapterFactoryCellFactory implements
Callback<TreeTableColumn<S, T>, TreeTableCell<S, T>> {
protected int columnIndex;
public AdapterFactoryTreeTableCellFactory(AdapterFactory adapterFactory, int columnIndex) {
super(adapterFactory);
this.columnIndex = columnIndex;
}
@Override
@SuppressWarnings("unchecked")
public TreeTableCell<S, T> call(TreeTableColumn<S, T> arg0) {
final TreeTableCell<Object, Object> tableCell = new TreeTableCell<Object, Object>() {
Object currentItem = null;
ICellEditHandler cellEditHandler;
AdapterImpl adapter = new AdapterImpl() {
@Override
public void notifyChanged(Notification msg) {
update(msg.getNotifier());
}
};
@Override
protected void updateItem(Object item, boolean empty) {
super.updateItem(item, empty);
// check if the item changed
if (item != currentItem) {
// remove the adapter if attached
if (currentItem instanceof Notifier)
((Notifier) currentItem).eAdapters().remove(adapter);
// update the current item
currentItem = item;
// attach the adapter to the new item
if (currentItem instanceof Notifier)
((Notifier) currentItem).eAdapters().add(adapter);
}
// notify the listeners
for (ICellUpdateListener cellUpdateListener : cellUpdateListeners)
cellUpdateListener.updateItem(this, item, empty);
update(item);
}
@Override
public void startEdit() {
super.startEdit();
cellEditHandler = getCellEditHandler(this);
if (cellEditHandler != null)
cellEditHandler.startEdit(this);
}
@Override
public void commitEdit(Object newValue) {
super.commitEdit(newValue);
if (cellEditHandler != null)
cellEditHandler.commitEdit(this, newValue);
}
@Override
public void cancelEdit() {
super.cancelEdit();
if (cellEditHandler != null)
cellEditHandler.cancelEdit(this);
update(getItem());
}
private void update(Object item) {
applyTableItemProviderStyle(item, columnIndex, this, adapterFactory);
}
};
for (ICellCreationListener cellCreationListener : cellCreationListeners)
cellCreationListener.cellCreated(tableCell);
return (TreeTableCell<S, T>) tableCell;
}
}
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