| /******************************************************************************* |
| * Copyright (c) 2018 Agence spatiale canadienne / Canadian Space Agency |
| * 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: |
| * Pierre Allard, |
| * Regent L'Archeveque, |
| * Sebastien Gemme - initial API and implementation |
| * |
| * SPDX-License-Identifier: EPL-1.0 |
| * |
| *******************************************************************************/ |
| package org.eclipse.apogy.common.topology.ui.adapters; |
| |
| import org.eclipse.apogy.common.topology.ApogyCommonTopologyFactory; |
| import org.eclipse.apogy.common.topology.GroupNode; |
| import org.eclipse.apogy.common.topology.URLNode; |
| import org.eclipse.apogy.common.topology.ui.ApogyCommonTopologyUIFactory; |
| import org.eclipse.apogy.common.topology.ui.GraphicsContext; |
| import org.eclipse.apogy.common.topology.ui.GraphicsContextAdapter; |
| import org.eclipse.core.resources.IFile; |
| |
| public class VRMLGraphicsContextAdapter implements GraphicsContextAdapter { |
| |
| public final static String[] VRML_FILE_EXTENSION = new String[] { "wrl", "vrml" }; |
| |
| public VRMLGraphicsContextAdapter() { |
| } |
| |
| @Override |
| public boolean isAdapterFor(Object obj) { |
| boolean isAdapter = false; |
| |
| // We respond to IFile selection ending with the supported extensions. |
| if (obj instanceof IFile) { |
| IFile file = (IFile) obj; |
| isAdapter = isExtensionSupported(getFileExtension(file.getName()), VRML_FILE_EXTENSION); |
| } |
| |
| return isAdapter; |
| } |
| |
| @Override |
| public GraphicsContext getAdapter(Object obj, Object context) { |
| |
| GraphicsContext grContext = null; |
| |
| if (isAdapterFor(obj)) { |
| IFile file = (IFile) obj; |
| |
| URLNode node = ApogyCommonTopologyFactory.eINSTANCE.createURLNode(); |
| node.setDescription(file.getName()); |
| |
| node.setUrl("file://" + file.getLocation().toOSString()); |
| |
| GroupNode root = ApogyCommonTopologyFactory.eINSTANCE.createGroupNode(); |
| root.getChildren().add(node); |
| |
| grContext = ApogyCommonTopologyUIFactory.eINSTANCE.createGraphicsContext(); |
| grContext.setTopology(root); |
| } |
| |
| return grContext; |
| } |
| |
| @Override |
| public Class<?> getAdaptedClass() { |
| return IFile.class; |
| } |
| |
| /** |
| * Returns the file extebsion of a file name. |
| * |
| * @param url The url as a string. |
| * @return The file extension |
| */ |
| private String getFileExtension(String url) { |
| String fileExtension = new String(); |
| String fileName = url; |
| int index = fileName.lastIndexOf("."); |
| if (index >= 0) { |
| fileExtension = fileName.substring(index); |
| } |
| |
| return fileExtension; |
| } |
| |
| /** |
| * Return whether or not the file extension is supported. |
| * |
| * @param extension The actual file extension. |
| * @param extensionList The list of file extension supported |
| * @return True if the specified file extension is part of the supported |
| * extensions, false otherwise. |
| */ |
| private boolean isExtensionSupported(String extension, String[] extensionList) { |
| boolean supported = false; |
| |
| int i = 0; |
| while ((!supported) && (i < extensionList.length)) { |
| String supportedExtension = extensionList[i]; |
| if (extension.endsWith(supportedExtension)) { |
| supported = true; |
| } else { |
| i++; |
| } |
| } |
| |
| return supported; |
| } |
| } |