| /******************************************************************************* |
| * Copyright (c) 2012, 2016 IBM Corporation and others. |
| * |
| * 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: |
| * IBM Corporation - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.e4.ui.internal.workbench; |
| |
| import javax.inject.Inject; |
| import org.eclipse.e4.core.contexts.IEclipseContext; |
| import org.eclipse.e4.ui.model.application.MApplication; |
| import org.eclipse.e4.ui.model.application.ui.basic.MWindow; |
| import org.eclipse.e4.ui.workbench.modeling.ESelectionService; |
| import org.eclipse.e4.ui.workbench.modeling.ISelectionListener; |
| |
| public class SelectionServiceImpl implements ESelectionService { |
| |
| private IEclipseContext context; |
| |
| @Inject |
| SelectionServiceImpl(IEclipseContext context) { |
| this.context = context; |
| } |
| |
| @Override |
| public void setSelection(Object selection) { |
| context.set(SelectionAggregator.OUT_SELECTION, selection); |
| } |
| |
| @Override |
| public void setPostSelection(Object selection) { |
| context.set(SelectionAggregator.OUT_POST_SELECTION, selection); |
| } |
| |
| @Override |
| public Object getSelection() { |
| SelectionAggregator aggregator = getServiceAggregator(); |
| if (aggregator != null) { |
| return aggregator.getSelection(); |
| } |
| return null; |
| } |
| |
| @Override |
| public Object getSelection(String partId) { |
| SelectionAggregator aggregator = getServiceAggregator(); |
| if (aggregator != null) { |
| return aggregator.getSelection(partId); |
| } |
| return null; |
| } |
| |
| @Override |
| public void addSelectionListener(ISelectionListener listener) { |
| SelectionAggregator aggregator = getServiceAggregator(); |
| if (aggregator != null) { |
| aggregator.addSelectionListener(listener); |
| } |
| } |
| |
| @Override |
| public void removeSelectionListener(ISelectionListener listener) { |
| SelectionAggregator aggregator = getServiceAggregator(); |
| if (aggregator != null) { |
| aggregator.removeSelectionListener(listener); |
| } |
| } |
| |
| @Override |
| public void addSelectionListener(String partId, ISelectionListener listener) { |
| SelectionAggregator aggregator = getServiceAggregator(); |
| if (aggregator != null) { |
| aggregator.addSelectionListener(partId, listener); |
| } |
| } |
| |
| @Override |
| public void removeSelectionListener(String partId, ISelectionListener listener) { |
| SelectionAggregator aggregator = getServiceAggregator(); |
| if (aggregator != null) { |
| aggregator.removeSelectionListener(partId, listener); |
| } |
| } |
| |
| @Override |
| public void addPostSelectionListener(ISelectionListener listener) { |
| SelectionAggregator aggregator = getServiceAggregator(); |
| if (aggregator != null) { |
| aggregator.addPostSelectionListener(listener); |
| } |
| } |
| |
| @Override |
| public void removePostSelectionListener(ISelectionListener listener) { |
| SelectionAggregator aggregator = getServiceAggregator(); |
| if (aggregator != null) { |
| aggregator.removePostSelectionListener(listener); |
| } |
| } |
| |
| @Override |
| public void addPostSelectionListener(String partId, ISelectionListener listener) { |
| SelectionAggregator aggregator = getServiceAggregator(); |
| if (aggregator != null) { |
| aggregator.addPostSelectionListener(partId, listener); |
| } |
| } |
| |
| @Override |
| public void removePostSelectionListener(String partId, ISelectionListener listener) { |
| SelectionAggregator aggregator = getServiceAggregator(); |
| if (aggregator != null) { |
| aggregator.removePostSelectionListener(partId, listener); |
| } |
| } |
| |
| private SelectionAggregator getServiceAggregator() { |
| SelectionAggregator aggregator = context.get(SelectionAggregator.class); |
| if (aggregator != null) |
| return aggregator; |
| MApplication app = context.get(MApplication.class); |
| if (app == null) |
| return null; |
| MWindow selectedWindow = app.getSelectedElement(); |
| IEclipseContext windowContext = selectedWindow.getContext(); |
| if (windowContext == null) |
| return null; |
| return windowContext.get(SelectionAggregator.class); |
| } |
| } |