it.tidalwave.role.ui.javafx.impl.treetable.TreeTableViewBindings Maven / Gradle / Ivy
/*
* #%L
* *********************************************************************************************************************
*
* SteelBlue
* http://steelblue.tidalwave.it - hg clone https://bitbucket.org/tidalwave/steelblue-src
* %%
* Copyright (C) 2015 - 2015 Tidalwave s.a.s. (http://tidalwave.it)
* %%
*
* *********************************************************************************************************************
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* *********************************************************************************************************************
*
* $Id: TreeTableViewBindings.java,v 1522ce988abd 2015/04/23 09:09:18 fabrizio $
*
* *********************************************************************************************************************
* #L%
*/
package it.tidalwave.role.ui.javafx.impl.treetable;
import javax.annotation.Nonnull;
import java.util.concurrent.Executor;
import java.beans.PropertyChangeListener;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.ReadOnlyObjectProperty;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.collections.ObservableList;
import javafx.scene.control.TreeItem;
import javafx.scene.control.TreeTableColumn;
import javafx.scene.control.TreeTableView;
import javafx.application.Platform;
import com.google.common.annotations.VisibleForTesting;
import it.tidalwave.util.AsException;
import it.tidalwave.role.SimpleComposite;
import it.tidalwave.role.ui.PresentationModel;
import it.tidalwave.role.ui.javafx.impl.common.DelegateSupport;
import it.tidalwave.role.ui.javafx.impl.tree.ObsoletePresentationModelDisposer;
import lombok.extern.slf4j.Slf4j;
import static it.tidalwave.role.SimpleComposite.*;
import static it.tidalwave.role.ui.Selectable.Selectable;
/***********************************************************************************************************************
*
* @author Fabrizio Giudici
* @version $Id: TreeTableViewBindings.java,v 1522ce988abd 2015/04/23 09:09:18 fabrizio $
*
**********************************************************************************************************************/
@Slf4j
public class TreeTableViewBindings extends DelegateSupport
{
private final ObsoletePresentationModelDisposer presentationModelDisposer = new ObsoletePresentationModelDisposer();
/*******************************************************************************************************************
*
*
*
******************************************************************************************************************/
public TreeTableViewBindings (final @Nonnull Executor executor)
{
super(executor);
}
/*******************************************************************************************************************
*
*
*
******************************************************************************************************************/
@VisibleForTesting final ChangeListener> treeItemChangeListener = (ov, oldItem, item) ->
{
executor.execute(() ->
{
try
{
item.getValue().as(Selectable).select();
}
catch (AsException e)
{
log.debug("No Selectable role for {}", item); // ok, do nothing
}
});
};
/*******************************************************************************************************************
*
* {@inheritDoc}
*
******************************************************************************************************************/
public void bind (final @Nonnull TreeTableView treeTableView,
final @Nonnull PresentationModel pm,
final @Nonnull Runnable callback)
{
assertIsFxApplicationThread();
final ObjectProperty> rootProperty = treeTableView.rootProperty();
rootProperty.removeListener(presentationModelDisposer);
rootProperty.addListener(presentationModelDisposer);
rootProperty.set(createTreeItem(pm));
final ObservableList rawColumns = treeTableView.getColumns(); // FIXME
final ObservableList> columns =
(ObservableList>)rawColumns;
for (final TreeTableColumn column : columns)
{
column.setCellValueFactory(new TreeTableAggregateAdapter());
column.setCellFactory(c -> new AsObjectTreeTableCell());
}
final ReadOnlyObjectProperty> selectedItemProperty =
treeTableView.getSelectionModel().selectedItemProperty();
selectedItemProperty.removeListener(treeItemChangeListener);
selectedItemProperty.addListener(treeItemChangeListener);
callback.run();
}
/*******************************************************************************************************************
*
*
*
******************************************************************************************************************/
@Nonnull
private TreeItem createTreeItem (final @Nonnull PresentationModel pm)
{
final TreeItem item = new TreeItem<>(pm);
final PropertyChangeListener recreateChildrenOnUpdateListener = event ->
{
Platform.runLater(() ->
{
item.getChildren().clear(); // FIXME: should update it incrementally
createChildren(item, pm);
item.setExpanded(true);
});
};
pm.addPropertyChangeListener(PresentationModel.PROPERTY_CHILDREN, recreateChildrenOnUpdateListener);
createChildren(item, pm); // FIXME: only if already expanded, otherwise defer the call when expanded
return item;
}
/*******************************************************************************************************************
*
*
*
******************************************************************************************************************/
// FIXME: add on demand, upon node expansion
private void createChildren (final @Nonnull TreeItem parentItem,
final @Nonnull PresentationModel pm)
{
try
{
final SimpleComposite composite = pm.as(SimpleComposite);
final ObservableList> children = parentItem.getChildren();
composite.findChildren().results().forEach(childPm -> children.add(createTreeItem(childPm)));
}
catch (AsException e)
{
// ok, no Composite
}
}
}