| /******************************************************************************* |
| * Copyright (c) 2004, 2009 Tasktop Technologies and others. |
| * 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: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.resources.ui; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.core.internal.resources.Marker; |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspace; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.mylyn.commons.core.StatusHandler; |
| import org.eclipse.mylyn.context.core.AbstractContextStructureBridge; |
| import org.eclipse.mylyn.context.core.ContextCore; |
| import org.eclipse.ui.views.markers.internal.ConcreteMarker; |
| |
| /** |
| * @author Mik Kersten |
| */ |
| public class ResourceStructureBridge extends AbstractContextStructureBridge { |
| |
| public final static String CONTENT_TYPE = ContextCore.CONTENT_TYPE_RESOURCE; |
| |
| @Override |
| public String getContentType() { |
| return CONTENT_TYPE; |
| } |
| |
| @Override |
| public String getParentHandle(String handle, boolean allowChildBridgeHandles) { |
| if (allowChildBridgeHandles) { |
| return getParentHandle(handle); |
| } else { |
| IResource resource = (IResource) getObjectForHandle(handle); |
| if (resource != null) { |
| IContainer parent = resource.getParent(); |
| return getHandleIdentifier(parent); |
| } |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public String getParentHandle(String handle) { |
| |
| IResource resource = (IResource) getObjectForHandle(handle); |
| if (resource != null) { |
| IContainer parent = resource.getParent(); |
| // try to adapt to the corresponding content type's parent |
| if (resource instanceof IFile) { |
| for (String contentType : ContextCore.getChildContentTypes(CONTENT_TYPE)) { |
| AbstractContextStructureBridge parentBridge = ContextCore.getStructureBridge(contentType); |
| Object adaptedParent = parentBridge.getAdaptedParent(resource); |
| // HACK: only returns first |
| if (adaptedParent != null) { |
| return parentBridge.getHandleIdentifier(adaptedParent); |
| } |
| } |
| } |
| return getHandleIdentifier(parent); |
| } else { |
| return null; |
| } |
| } |
| |
| @Override |
| public List<String> getChildHandles(String handle) { |
| Object object = getObjectForHandle(handle); |
| if (object instanceof IResource) { |
| IResource resource = (IResource) object; |
| if (resource instanceof IContainer) { |
| IContainer container = (IContainer) resource; |
| IResource[] children; |
| try { |
| // make sure that we dont try to get the children of a closed project as this can cause an exception |
| if (container.isAccessible()) { |
| children = container.members(); |
| List<String> childHandles = new ArrayList<String>(); |
| for (IResource element : children) { |
| String childHandle = getHandleIdentifier(element); |
| if (childHandle != null) { |
| childHandles.add(childHandle); |
| } |
| } |
| return childHandles; |
| } |
| } catch (Exception e) { |
| StatusHandler.log(new Status(IStatus.ERROR, ResourcesUiBridgePlugin.ID_PLUGIN, "" //$NON-NLS-1$ |
| + "Could not get child", e)); //$NON-NLS-1$ |
| } |
| } else if (resource instanceof IFile) { |
| // delegate to child bridges |
| } |
| } |
| return Collections.emptyList(); |
| } |
| |
| /** |
| * Uses java-style path for projects. |
| */ |
| @Override |
| public String getHandleIdentifier(Object object) { |
| if (object instanceof IProject) { |
| String path = ((IResource) object).getFullPath().toPortableString(); |
| String javaCoreStylePath = "=" + path.substring(1); //$NON-NLS-1$ |
| return javaCoreStylePath; |
| } |
| if (object instanceof IResource) { |
| return ((IResource) object).getFullPath().toPortableString(); |
| |
| } else if (object instanceof IAdaptable) { |
| IAdaptable adaptable = (IAdaptable) object; |
| Object adapter = adaptable.getAdapter(IResource.class); |
| if (adapter instanceof IResource) { |
| return ((IResource) adapter).getFullPath().toPortableString(); |
| } |
| |
| } |
| return null; |
| } |
| |
| @Override |
| public Object getObjectForHandle(String handle) { |
| if (handle == null) { |
| return null; |
| } |
| IPath path = new Path(handle); |
| IWorkspace workspace = ResourcesPlugin.getWorkspace(); |
| if (path.segmentCount() == 1) { |
| String projectName = handle.substring(1); |
| try { |
| return workspace.getRoot().getProject(projectName); |
| } catch (IllegalArgumentException e) { |
| return null; |
| } |
| } else if (path.segmentCount() > 1) { |
| return workspace.getRoot().findMember(path); |
| } else { |
| return null; |
| } |
| } |
| |
| @Override |
| public String getLabel(Object object) { |
| if (object instanceof IResource) { |
| return ((IResource) object).getName(); |
| } else { |
| return ""; //$NON-NLS-1$ |
| } |
| } |
| |
| @Override |
| public boolean canBeLandmark(String handle) { |
| Object element = getObjectForHandle(handle); |
| return element instanceof IFile; |
| } |
| |
| @Override |
| public boolean acceptsObject(Object object) { |
| if (object instanceof IResource) { |
| return true; |
| } |
| if (object instanceof IAdaptable) { |
| IAdaptable adaptable = (IAdaptable) object; |
| Object adapter = adaptable.getAdapter(IResource.class); |
| if (adapter instanceof IResource) { |
| return true; |
| } |
| |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean canFilter(Object element) { |
| return true; |
| } |
| |
| @Override |
| public boolean isDocument(String handle) { |
| return getObjectForHandle(handle) instanceof IFile; |
| } |
| |
| @Override |
| public String getHandleForOffsetInObject(Object object, int offset) { |
| IResource markerResource = null; |
| try { |
| if (object instanceof ConcreteMarker) { |
| markerResource = ((ConcreteMarker) object).getMarker().getResource(); |
| } else if (object instanceof Marker) { |
| markerResource = ((Marker) object).getResource(); |
| } else { |
| return null; |
| } |
| } catch (Exception e) { |
| return null; |
| } |
| |
| // we can only get a handle for a marker with the resource plugin.xml |
| try { |
| if (markerResource instanceof IFile) { |
| IFile file = (IFile) markerResource; |
| return getHandleIdentifier(file); |
| } |
| return null; |
| } catch (Throwable t) { |
| StatusHandler.log(new Status(IStatus.ERROR, ResourcesUiBridgePlugin.ID_PLUGIN, |
| "Could not find element for: \"" + object + "\"", t)); //$NON-NLS-1$ //$NON-NLS-2$ |
| return null; |
| } |
| } |
| |
| @Override |
| public String getContentType(String elementHandle) { |
| return getContentType(); |
| } |
| } |