/*******************************************************************************
* Copyright (c) 2010, 2014 Ericsson, École Polytechnique de Montréal
*
* 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:
* Bernd Hufmann - Added supplementary files handling (in class TmfTraceElement)
* Geneviève Bastien - Copied supplementary files handling from TmfTracElement
* Moved to this class code to copy a model element
* Renamed from TmfWithFolderElement to TmfCommonProjectElement
* Patrick Tasse - Add support for folder elements
*******************************************************************************/
package fr.inria.linuxtools.tmf.ui.project.model;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.osgi.util.NLS;
import org.eclipse.ui.IEditorReference;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.FileEditorInput;
import fr.inria.linuxtools.internal.tmf.ui.Activator;
import fr.inria.linuxtools.tmf.core.TmfCommonConstants;
import fr.inria.linuxtools.tmf.core.analysis.IAnalysisModuleHelper;
import fr.inria.linuxtools.tmf.core.analysis.TmfAnalysisManager;
import fr.inria.linuxtools.tmf.core.parsers.custom.CustomTxtTrace;
import fr.inria.linuxtools.tmf.core.parsers.custom.CustomTxtTraceDefinition;
import fr.inria.linuxtools.tmf.core.parsers.custom.CustomXmlTrace;
import fr.inria.linuxtools.tmf.core.parsers.custom.CustomXmlTraceDefinition;
import fr.inria.linuxtools.tmf.core.project.model.TmfTraceType;
import fr.inria.linuxtools.tmf.core.project.model.TraceTypeHelper;
import fr.inria.linuxtools.tmf.core.signal.TmfSignalHandler;
import fr.inria.linuxtools.tmf.core.signal.TmfSignalManager;
import fr.inria.linuxtools.tmf.core.signal.TmfTraceOpenedSignal;
import fr.inria.linuxtools.tmf.core.trace.ITmfTrace;
import fr.inria.linuxtools.tmf.core.trace.TmfExperiment;
import fr.inria.linuxtools.tmf.core.trace.TmfTrace;
import fr.inria.linuxtools.tmf.core.trace.TmfTraceManager;
/**
* Base class for tracing project elements: it implements the common behavior of
* all project elements: supplementary files, analysis, types, etc.
*
* @author Geneviève Bastien
* @since 3.0
*/
public abstract class TmfCommonProjectElement extends TmfProjectModelElement {
// ------------------------------------------------------------------------
// Attributes
// ------------------------------------------------------------------------
// This trace type ID as defined in plugin.xml
private String fTraceTypeId = null;
private static final String BOOKMARKS_HIDDEN_FILE = ".bookmarks"; //$NON-NLS-1$
// ------------------------------------------------------------------------
// Constructors
// ------------------------------------------------------------------------
/**
* Constructor. Creates model element.
*
* @param name
* The name of the element
* @param resource
* The resource.
* @param parent
* The parent element
*/
public TmfCommonProjectElement(String name, IResource resource, TmfProjectModelElement parent) {
super(name, resource, parent);
parent.addChild(this);
refreshTraceType();
TmfSignalManager.register(this);
}
// ------------------------------------------------------------------------
// TmfProjectModelElement
// ------------------------------------------------------------------------
@Override
void refreshChildren() {
/* Refreshes the analysis under this trace */
Map<String, TmfAnalysisElement> childrenMap = new HashMap<>();
for (TmfAnalysisElement analysis : getAvailableAnalysis()) {
childrenMap.put(analysis.getAnalysisId(), analysis);
}
TraceTypeHelper helper = TmfTraceType.getTraceType(getTraceType());
Class<? extends ITmfTrace> traceClass = null;
if (helper == null && getTraceType() != null) {
if (fTraceTypeId.startsWith(CustomTxtTrace.class.getCanonicalName())) {
for (CustomTxtTraceDefinition def : CustomTxtTraceDefinition.loadAll()) {
if (fTraceTypeId.equals(CustomTxtTrace.class.getCanonicalName() + ":" + def.definitionName)) { //$NON-NLS-1$
traceClass = CustomTxtTrace.class;
}
}
}
if (fTraceTypeId.startsWith(CustomXmlTrace.class.getCanonicalName())) {
for (CustomXmlTraceDefinition def : CustomXmlTraceDefinition.loadAll()) {
if (fTraceTypeId.equals(CustomXmlTrace.class.getCanonicalName() + ":" + def.definitionName)) { //$NON-NLS-1$
traceClass = CustomTxtTrace.class;
}
}
}
} else if (helper != null) {
traceClass = helper.getTraceClass();
}
/* Remove all analysis and return */
if (traceClass == null) {
for (TmfAnalysisElement analysis : childrenMap.values()) {
removeChild(analysis);
}
return;
}
/** Get the base path to put the resource to */
IPath path = fResource.getFullPath();
/* Add all new analysis modules or refresh outputs of existing ones */
for (IAnalysisModuleHelper module : TmfAnalysisManager.getAnalysisModules(traceClass).values()) {
/* If the analysis is not a child of the trace, create it */
TmfAnalysisElement analysis = childrenMap.remove(module.getId());
if (analysis == null) {
/**
* No need for the resource to exist, nothing will be done with
* it
*/
IFolder newresource = ResourcesPlugin.getWorkspace().getRoot().getFolder(path.append(module.getId()));
analysis = new TmfAnalysisElement(module.getName(), newresource, this, module.getId());
}
analysis.refreshChildren();
}
/* Remove analysis that are not children of this trace anymore */
for (TmfAnalysisElement analysis : childrenMap.values()) {
removeChild(analysis);
}
}
// ------------------------------------------------------------------------
// Operations
// ------------------------------------------------------------------------
/**
* Returns the trace type ID.
*
* @return trace type ID.
*/
public String getTraceType() {
return fTraceTypeId;
}
/**
* Refreshes the trace type filed by reading the trace type persistent
* property of the resource referenece.
*/
public void refreshTraceType() {
try {
fTraceTypeId = getResource().getPersistentProperty(TmfCommonConstants.TRACETYPE);
} catch (CoreException e) {
Activator.getDefault().logError(NLS.bind(Messages.TmfCommonProjectElement_ErrorRefreshingProperty, getName()), e);
}
}
/**
* Instantiate a <code>ITmfTrace</code> object based on the trace type and
* the corresponding extension.
*
* @return the <code>ITmfTrace</code> or <code>null</code> for an error
*/
public abstract ITmfTrace instantiateTrace();
/**
* Return the supplementary folder path for this element. The returned path
* is relative to the project's supplementary folder.
*
* @return The supplementary folder path for this element
*/
protected String getSupplementaryFolderPath() {
return getElementPath() + getSuffix();
}
/**
* Return the element path relative to its common element (traces folder,
* experiments folder or experiment element).
* @return The element path
*/
public String getElementPath() {
ITmfProjectModelElement parent = getParent();
while (!(parent instanceof TmfTracesFolder || parent instanceof TmfExperimentElement || parent instanceof TmfExperimentFolder)) {
parent = parent.getParent();
}
IPath path = fResource.getFullPath().makeRelativeTo(parent.getPath());
return path.toString();
}
/**
* @return The suffix for the supplementary folder
*/
protected String getSuffix() {
return ""; //$NON-NLS-1$
}
/**
* Returns a list of TmfTraceElements contained in project element.
*
* @return a list of TmfTraceElements, empty list if none
*/
public List<TmfTraceElement> getTraces() {
return new ArrayList<>();
}
/**
* Get the instantiated trace associated with this element.
*
* @return The instantiated trace or null if trace is not (yet) available
*/
public ITmfTrace getTrace() {
for (ITmfTrace trace : TmfTraceManager.getInstance().getOpenedTraces()) {
if (trace.getResource().equals(getResource())) {
return trace;
}
}
return null;
}
/**
* Returns the file resource used to store bookmarks after creating it if
* necessary. If the trace resource is a file, it is returned directly. If
* the trace resource is a folder, a linked file is returned. The file will
* be created if it does not exist.
*
* @return the bookmarks file
* @throws CoreException
* if the bookmarks file cannot be created
*/
public abstract IFile createBookmarksFile() throws CoreException;
/**
* Actually returns the bookmark file or creates it in the project element's
* folder
*
* @param bookmarksFolder
* Folder where to put the bookmark file
* @param traceType
* The canonical name to set as tracetype
* @return The bookmark file
* @throws CoreException
* if the bookmarks file cannot be created
*/
protected IFile createBookmarksFile(IFolder bookmarksFolder, String traceType) throws CoreException {
IFile file = getBookmarksFile();
if (!file.exists()) {
final IFile bookmarksFile = bookmarksFolder.getFile(BOOKMARKS_HIDDEN_FILE);
if (!bookmarksFile.exists()) {
final InputStream source = new ByteArrayInputStream(new byte[0]);
bookmarksFile.create(source, true, null);
}
bookmarksFile.setHidden(true);
file.createLink(bookmarksFile.getLocation(), IResource.REPLACE, null);
file.setHidden(true);
file.setPersistentProperty(TmfCommonConstants.TRACETYPE, traceType);
}
return file;
}
/**
* Returns the optional editor ID from the trace type extension.
*
* @return the editor ID or <code>null</code> if not defined.
*/
public abstract String getEditorId();
/**
* Returns the file resource used to store bookmarks. The file may not
* exist.
*
* @return the bookmarks file
*/
public IFile getBookmarksFile() {
final IFolder folder = (IFolder) fResource;
IFile file = folder.getFile(getName() + '_');
return file;
}
/**
* Close open editors associated with this experiment.
*/
public void closeEditors() {
IFile file = getBookmarksFile();
FileEditorInput input = new FileEditorInput(file);
IWorkbench wb = PlatformUI.getWorkbench();
for (IWorkbenchWindow wbWindow : wb.getWorkbenchWindows()) {
for (IWorkbenchPage wbPage : wbWindow.getPages()) {
for (IEditorReference editorReference : wbPage.getEditorReferences()) {
try {
if (editorReference.getEditorInput().equals(input)) {
wbPage.closeEditor(editorReference.getEditor(false), false);
}
} catch (PartInitException e) {
Activator.getDefault().logError(NLS.bind(Messages.TmfCommonProjectElement_ErrorClosingEditor, getName()), e);
}
}
}
}
}
/**
* Get a friendly name for the type of element this common project element
* is, to be displayed in UI messages.
*
* @return A string for the type of project element this object is, for
* example "trace" or "experiment"
*/
public abstract String getTypeName();
/**
* Copy this model element
*
* @param newName
* The name of the new element
* @param copySuppFiles
* Whether to copy supplementary files or not
* @return the new Resource object
*/
public IResource copy(final String newName, final boolean copySuppFiles) {
final IPath newPath = getParent().getResource().getFullPath().addTrailingSeparator().append(newName);
/* Copy supplementary files first, only if needed */
if (copySuppFiles) {
String newElementPath = new Path(getElementPath()).removeLastSegments(1).append(newName).toString();
copySupplementaryFolder(newElementPath);
}
/* Copy the trace */
try {
getResource().copy(newPath, IResource.FORCE | IResource.SHALLOW, null);
/* Delete any bookmarks file found in copied trace folder */
IFolder folder = ((IFolder) getParent().getResource()).getFolder(newName);
if (folder.exists()) {
for (IResource member : folder.members()) {
if (TmfTrace.class.getCanonicalName().equals(member.getPersistentProperty(TmfCommonConstants.TRACETYPE))) {
member.delete(true, null);
} else if (TmfExperiment.class.getCanonicalName().equals(member.getPersistentProperty(TmfCommonConstants.TRACETYPE))) {
member.delete(true, null);
}
}
}
return folder;
} catch (CoreException e) {
}
return null;
}
/**
* Get the list of analysis elements
*
* @return Array of analysis elements
*/
public List<TmfAnalysisElement> getAvailableAnalysis() {
List<ITmfProjectModelElement> children = getChildren();
List<TmfAnalysisElement> analysis = new ArrayList<>();
for (ITmfProjectModelElement child : children) {
if (child instanceof TmfAnalysisElement) {
analysis.add((TmfAnalysisElement) child);
}
}
return analysis;
}
// ------------------------------------------------------------------------
// Supplementary files operations
// ------------------------------------------------------------------------
/**
* Deletes this element specific supplementary folder.
*/
public void deleteSupplementaryFolder() {
IFolder supplFolder = getTraceSupplementaryFolder(getSupplementaryFolderPath());
try {
deleteFolder(supplFolder);
} catch (CoreException e) {
Activator.getDefault().logError("Error deleting supplementary folder " + supplFolder, e); //$NON-NLS-1$
}
}
private static void deleteFolder(IFolder folder) throws CoreException {
if (folder.exists()) {
folder.delete(true, new NullProgressMonitor());
}
IContainer parent = folder.getParent();
// delete empty folders up to the parent project
if (parent instanceof IFolder && (!parent.exists() || parent.members().length == 0)) {
deleteFolder((IFolder) parent);
}
}
/**
* Renames the element specific supplementary folder according to the new
* element name or path.
*
* @param newElementPath
* The new element name or path
*/
public void renameSupplementaryFolder(String newElementPath) {
IFolder oldSupplFolder = getTraceSupplementaryFolder(getSupplementaryFolderPath());
// Rename supplementary folder
try {
if (oldSupplFolder.exists()) {
IFolder newSupplFolder = prepareTraceSupplementaryFolder(newElementPath + getSuffix(), false);
oldSupplFolder.move(newSupplFolder.getFullPath(), true, new NullProgressMonitor());
}
deleteFolder(oldSupplFolder);
} catch (CoreException e) {
Activator.getDefault().logError("Error renaming supplementary folder " + oldSupplFolder, e); //$NON-NLS-1$
}
}
/**
* Copies the element specific supplementary folder to the new element name
* or path.
*
* @param newElementPath
* The new element name or path
*/
public void copySupplementaryFolder(String newElementPath) {
IFolder oldSupplFolder = getTraceSupplementaryFolder(getSupplementaryFolderPath());
// copy supplementary folder
if (oldSupplFolder.exists()) {
try {
IFolder newSupplFolder = prepareTraceSupplementaryFolder(newElementPath + getSuffix(), false);
oldSupplFolder.copy(newSupplFolder.getFullPath(), true, new NullProgressMonitor());
} catch (CoreException e) {
Activator.getDefault().logError("Error renaming supplementary folder " + oldSupplFolder, e); //$NON-NLS-1$
}
}
}
/**
* Copies the element specific supplementary folder a new folder.
*
* @param destination
* The destination folder to copy to.
*/
public void copySupplementaryFolder(IFolder destination) {
IFolder oldSupplFolder = getTraceSupplementaryFolder(getSupplementaryFolderPath());
// copy supplementary folder
if (oldSupplFolder.exists()) {
try {
TraceUtils.createFolder((IFolder) destination.getParent(), new NullProgressMonitor());
oldSupplFolder.copy(destination.getFullPath(), true, new NullProgressMonitor());
} catch (CoreException e) {
Activator.getDefault().logError("Error copying supplementary folder " + oldSupplFolder, e); //$NON-NLS-1$
}
}
}
/**
* Refreshes the element specific supplementary folder information. It
* creates the folder if not exists. It sets the persistence property of the
* trace resource
*/
public void refreshSupplementaryFolder() {
createSupplementaryFolder();
}
/**
* Checks if supplementary resource exist or not.
*
* @return <code>true</code> if one or more files are under the element
* supplementary folder
*/
public boolean hasSupplementaryResources() {
IResource[] resources = getSupplementaryResources();
return (resources.length > 0);
}
/**
* Returns the supplementary resources under the trace supplementary folder.
*
* @return array of resources under the trace supplementary folder.
*/
public IResource[] getSupplementaryResources() {
IFolder supplFolder = getTraceSupplementaryFolder(getSupplementaryFolderPath());
if (supplFolder.exists()) {
try {
return supplFolder.members();
} catch (CoreException e) {
Activator.getDefault().logError("Error deleting supplementary folder " + supplFolder, e); //$NON-NLS-1$
}
}
return new IResource[0];
}
/**
* Deletes the given resources.
*
* @param resources
* array of resources to delete.
*/
public void deleteSupplementaryResources(IResource[] resources) {
for (int i = 0; i < resources.length; i++) {
try {
resources[i].delete(true, new NullProgressMonitor());
} catch (CoreException e) {
Activator.getDefault().logError("Error deleting supplementary resource " + resources[i], e); //$NON-NLS-1$
}
}
}
/**
* Deletes all supplementary resources in the supplementary directory
*/
public void deleteSupplementaryResources() {
deleteSupplementaryResources(getSupplementaryResources());
}
private void createSupplementaryFolder() {
IFolder supplFolder = prepareTraceSupplementaryFolder(getSupplementaryFolderPath(), true);
try {
fResource.setPersistentProperty(TmfCommonConstants.TRACE_SUPPLEMENTARY_FOLDER, supplFolder.getLocationURI().getPath());
} catch (CoreException e) {
Activator.getDefault().logError("Error setting persistant property " + TmfCommonConstants.TRACE_SUPPLEMENTARY_FOLDER, e); //$NON-NLS-1$
}
}
// -------------------------------------------------------
// Signal handlers
// -------------------------------------------------------
/**
* Handler for the Trace Opened signal
*
* @param signal
* The incoming signal
*/
@TmfSignalHandler
public void traceOpened(TmfTraceOpenedSignal signal) {
IResource resource = signal.getTrace().getResource();
if ((resource == null) || !resource.equals(getResource())) {
return;
}
getParent().refresh();
}
}