bundles/javafx/org.eclipse.emf.emfstore.fx.projects/src/org/eclipse/emf/emfstore/fx/internal/projects/ProjectsView.java

/*******************************************************************************
 * Copyright (c) 2011-2015 EclipseSource Muenchen GmbH and others.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 * Lucas Koehler - initial API and implementation
 ******************************************************************************/
package org.eclipse.emf.emfstore.fx.internal.projects;

import javax.annotation.PostConstruct;
import javax.inject.Inject;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecp.util.e4.fx.ModelElementOpenerFX;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.emfstore.client.ESWorkspaceProvider;

import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.control.Button;
import javafx.scene.control.TreeCell;
import javafx.scene.control.TreeItem;
import javafx.scene.control.TreeView;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Priority;
import javafx.util.Callback;

public class ProjectsView {

	// @Inject
	// private ESelectionService selectionService;
	ComposedAdapterFactory adapterFactory;

	@Inject
	public ProjectsView() {
		adapterFactory = new ComposedAdapterFactory(
			ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
	}

	@PostConstruct
	public void postConstruct(BorderPane parent) {

		final TreeView<Object> localProjectsView = new TreeView<>();

		final Button btnAddProject = new Button("Add LocalProject"); //$NON-NLS-1$
		btnAddProject.setMaxWidth(Double.MAX_VALUE);
		final EmfStoreLocalTreeItem projectTreeItem = new EmfStoreLocalTreeItem(
			this, ESWorkspaceProvider.INSTANCE.getWorkspace(),
			localProjectsView);
		btnAddProject.setOnAction(new EventHandler<ActionEvent>() {

			@Override
			public void handle(ActionEvent event) {
				ESWorkspaceProvider.INSTANCE.getWorkspace().createLocalProject("test"); //$NON-NLS-1$
				// projectTreeItem.updateChildren();
			}
		});

		final HBox box = new HBox();
		HBox.setHgrow(btnAddProject, Priority.ALWAYS);
		box.getChildren().add(btnAddProject);

		localProjectsView.setRoot(projectTreeItem);
		localProjectsView.setShowRoot(false);

		localProjectsView
			.setCellFactory(new Callback<TreeView<Object>, TreeCell<Object>>() {

				@Override
				public TreeCell<Object> call(TreeView<Object> param) {

					return new ESLocalProjectTreeCell(adapterFactory);
				}
			});
		localProjectsView.getSelectionModel().selectedItemProperty()
			.addListener(new ChangeListener<TreeItem<Object>>() {

				@Override
				public void changed(
					ObservableValue<? extends TreeItem<Object>> observable,
					TreeItem<Object> oldValue, TreeItem<Object> newValue) {

					if (newValue != null && EObject.class.isInstance(newValue.getValue())) {
						// selectionService.setSelection(newValue.getValue());
						ModelElementOpenerFX.openModelElement(newValue.getValue());
					}

					final TreeItem<Object> selectedItem = localProjectsView
						.getSelectionModel().getSelectedItem();

					if (selectedItem == null) {
						return;
					}
				}
			});
		parent.setTop(box);
		parent.setCenter(localProjectsView);

	}
}