| /******************************************************************************* |
| * Copyright (c) 2016, 2020 Chalmers | University of Gothenburg, rt-labs and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v20.html |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Chalmers | University of Gothenburg and rt-labs - initial API and implementation and/or initial documentation |
| * Chalmers | University of Gothenburg - additional features, updated API |
| * Fredrik Johansson and Themistoklis Ntoukolis - initial implementation of the Matrix View |
| *******************************************************************************/ |
| package org.eclipse.capra.ui.matrix; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| import org.eclipse.capra.core.adapters.Connection; |
| import org.eclipse.capra.core.adapters.TraceMetaModelAdapter; |
| import org.eclipse.capra.core.helpers.EMFHelper; |
| import org.eclipse.capra.core.helpers.TraceHelper; |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.nebula.widgets.nattable.data.IDataProvider; |
| |
| /** |
| * The data provider for the cells of the traceability matrix. |
| * |
| * @author Fredrik Johansson |
| * @author Themistoklis Ntoukolis |
| * @author Jan-Philipp Steghöfer |
| * |
| */ |
| public class TraceabilityMatrixDataProvider implements IDataProvider { |
| |
| private class EntryData { |
| public EObject artifact; |
| public List<Connection> connections; |
| |
| public EntryData(EObject artifact) { |
| this.artifact = artifact; |
| } |
| } |
| |
| private List<EntryData> rows = new ArrayList<>(); |
| private List<EntryData> columns = new ArrayList<>(); |
| |
| /** |
| * Creates a new data provider for the traceability matrix. |
| * |
| * @param connections the connections that should be visible in the matrix |
| * @param traceModel the trace model in wich the trace links are stored |
| * @param traceAdapter the trace meta-model adapter that provides data about the |
| * traces |
| */ |
| public TraceabilityMatrixDataProvider(List<Connection> connections, EObject traceModel, |
| TraceMetaModelAdapter traceAdapter) { |
| for (EObject element : TraceHelper.getTracedElements(connections)) { |
| EntryData colEntry = new EntryData(element); |
| colEntry.connections = traceAdapter.getConnectedElements(element, traceModel); |
| this.columns.add(colEntry); |
| EntryData rowEntry = new EntryData(element); |
| this.rows.add(rowEntry); |
| } |
| } |
| |
| @Override |
| public int getColumnCount() { |
| return columns.size(); |
| } |
| |
| @Override |
| public Object getDataValue(int colIndex, int rowIndex) { |
| EntryData colEntry = columns.get(colIndex); |
| EntryData rowEntry = columns.get(rowIndex); |
| for (Connection connection : colEntry.connections) { |
| for (EObject target : connection.getTargets()) { |
| if (!EMFHelper.hasSameIdentifier(colEntry.artifact, target) |
| && EMFHelper.hasSameIdentifier(rowEntry.artifact, target)) { |
| EObject eClass = connection.getTlink().eClass(); |
| return (eClass == null ? "" : ((EClass) eClass).getName()); |
| } |
| } |
| } |
| return ""; |
| } |
| |
| @Override |
| public int getRowCount() { |
| return rows.size(); |
| } |
| |
| @Override |
| public void setDataValue(int arg0, int arg1, Object arg2) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * Get the artifacts displayed in the columns of the traceability matrix. |
| * |
| * @return a list of all artifacts displayed as columns |
| */ |
| public List<EObject> getColumns() { |
| return columns.stream().map(e -> e.artifact).collect(Collectors.toCollection(ArrayList::new)); |
| } |
| |
| /** |
| * Get the artifact displayed in a specific column. |
| * |
| * @param index the index of the column whose artifact should be returned |
| * @return the artifact displayed in the column with the given index |
| */ |
| public EObject getColumn(int index) { |
| return columns.get(index).artifact; |
| } |
| |
| /** |
| * Get the artifacts displayed in the rows of the traceability matrix. |
| * |
| * @return a list of all artifacts displayed as rows |
| */ |
| public List<EObject> getRows() { |
| return rows.stream().map(e -> e.artifact).collect(Collectors.toCollection(ArrayList::new)); |
| } |
| |
| /** |
| * Get the artifact displayed in a specific row. |
| * |
| * @param index the index of the row whose artifact should be returned |
| * @return the artifact displayed in the row with the given index |
| */ |
| public EObject getRow(int index) { |
| return rows.get(index).artifact; |
| } |
| |
| /** |
| * Gets the connection that is represented by a specific cell in the |
| * traceability matrix. The cell is identified with its row and column index. |
| * |
| * @param column the index of the column |
| * @param row the index of the row |
| * @return the connection represented in the chosen cell |
| */ |
| public Connection getCellConnection(int column, int row) { |
| EntryData colEntry = columns.get(column); |
| EntryData rowEntry = columns.get(row); |
| for (Connection connection : colEntry.connections) { |
| for (EObject target : connection.getTargets()) { |
| if (!EMFHelper.hasSameIdentifier(colEntry.artifact, target) |
| && EMFHelper.hasSameIdentifier(rowEntry.artifact, target)) { |
| return connection; |
| } |
| } |
| } |
| return null; |
| } |
| |
| } |