/*******************************************************************************
* 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:
* Francois Chouinard - Initial API and implementation
* Geneviève Bastien - Copied code to add/remove traces in this class
* Patrick Tasse - Close editors to release resources
* Geneviève Bastien - Experiment instantiated with trace type
*******************************************************************************/
package fr.inria.linuxtools.tmf.ui.project.model;
import java.util.ArrayList;
import java.util.Arrays;
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.IResourceProxy;
import org.eclipse.core.resources.IResourceProxyVisitor;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.InvalidRegistryObjectException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Platform;
import org.eclipse.osgi.util.NLS;
import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.eclipse.ui.views.properties.IPropertySource2;
import fr.inria.linuxtools.internal.tmf.ui.Activator;
import fr.inria.linuxtools.tmf.core.TmfCommonConstants;
import fr.inria.linuxtools.tmf.core.project.model.TmfTraceType;
import fr.inria.linuxtools.tmf.core.project.model.TraceTypeHelper;
import fr.inria.linuxtools.tmf.core.trace.TmfExperiment;
import fr.inria.linuxtools.tmf.ui.editors.TmfEventsEditor;
import fr.inria.linuxtools.tmf.ui.properties.ReadOnlyTextPropertyDescriptor;
/**
* Implementation of TMF Experiment Model Element.
* <p>
* @version 1.0
* @author Francois Chouinard
*
*/
public class TmfExperimentElement extends TmfCommonProjectElement implements IPropertySource2 {
// ------------------------------------------------------------------------
// Constants
// ------------------------------------------------------------------------
// Property View stuff
private static final String sfInfoCategory = "Info"; //$NON-NLS-1$
private static final String sfName = "name"; //$NON-NLS-1$
private static final String sfPath = "path"; //$NON-NLS-1$
private static final String sfLocation = "location"; //$NON-NLS-1$
private static final String sfFolderSuffix = "_exp"; //$NON-NLS-1$
private static final String sfExperimentType = "type"; //$NON-NLS-1$
private static final ReadOnlyTextPropertyDescriptor sfNameDescriptor = new ReadOnlyTextPropertyDescriptor(sfName, sfName);
private static final ReadOnlyTextPropertyDescriptor sfPathDescriptor = new ReadOnlyTextPropertyDescriptor(sfPath, sfPath);
private static final ReadOnlyTextPropertyDescriptor sfLocationDescriptor = new ReadOnlyTextPropertyDescriptor(sfLocation,
sfLocation);
private static final ReadOnlyTextPropertyDescriptor sfTypeDescriptor = new ReadOnlyTextPropertyDescriptor(sfExperimentType, sfExperimentType);
private static final IPropertyDescriptor[] sfDescriptors = { sfNameDescriptor, sfPathDescriptor,
sfLocationDescriptor, sfTypeDescriptor };
static {
sfNameDescriptor.setCategory(sfInfoCategory);
sfPathDescriptor.setCategory(sfInfoCategory);
sfLocationDescriptor.setCategory(sfInfoCategory);
sfTypeDescriptor.setCategory(sfInfoCategory);
}
// The mapping of available trace type IDs to their corresponding
// configuration element
private static final Map<String, IConfigurationElement> sfTraceTypeAttributes = new HashMap<>();
private static final Map<String, IConfigurationElement> sfTraceTypeUIAttributes = new HashMap<>();
private static final Map<String, IConfigurationElement> sfTraceCategories = new HashMap<>();
// ------------------------------------------------------------------------
// Static initialization
// ------------------------------------------------------------------------
/**
* Initialize statically at startup by getting extensions from the platform
* extension registry.
* @since 3.0
*/
public static void init() {
IConfigurationElement[] config = Platform.getExtensionRegistry().getConfigurationElementsFor(TmfTraceType.TMF_TRACE_TYPE_ID);
for (IConfigurationElement ce : config) {
String elementName = ce.getName();
if (elementName.equals(TmfTraceType.EXPERIMENT_ELEM)) {
String traceTypeId = ce.getAttribute(TmfTraceType.ID_ATTR);
sfTraceTypeAttributes.put(traceTypeId, ce);
} else if (elementName.equals(TmfTraceType.CATEGORY_ELEM)) {
String categoryId = ce.getAttribute(TmfTraceType.ID_ATTR);
sfTraceCategories.put(categoryId, ce);
}
}
/*
* Read the corresponding tmf.ui "tracetypeui" extension point for this
* trace type, if it exists.
*/
config = Platform.getExtensionRegistry().getConfigurationElementsFor(TmfTraceTypeUIUtils.TMF_TRACE_TYPE_UI_ID);
for (IConfigurationElement ce : config) {
String elemName = ce.getName();
if (TmfTraceTypeUIUtils.EXPERIMENT_ELEM.equals(elemName)) {
String traceType = ce.getAttribute(TmfTraceTypeUIUtils.TRACETYPE_ATTR);
sfTraceTypeUIAttributes.put(traceType, ce);
}
}
}
// ------------------------------------------------------------------------
// Constructors
// ------------------------------------------------------------------------
/**
* Constructor
* @param name The name of the experiment
* @param folder The folder reference
* @param parent The experiment folder reference.
*/
public TmfExperimentElement(String name, IFolder folder, TmfExperimentFolder parent) {
super(name, folder, parent);
}
// ------------------------------------------------------------------------
// TmfProjectModelElement
// ------------------------------------------------------------------------
@Override
public IFolder getResource() {
return (IFolder) fResource;
}
@Override
void refreshChildren() {
IFolder folder = getResource();
/* Update the trace children of this experiment */
// Get the children from the model
Map<String, ITmfProjectModelElement> childrenMap = new HashMap<>();
for (TmfTraceElement trace : getTraces()) {
childrenMap.put(trace.getElementPath(), trace);
}
List<IResource> members = getTraceResources();
for (IResource resource : members) {
String name = resource.getName();
String elementPath = resource.getFullPath().makeRelativeTo(folder.getFullPath()).toString();
ITmfProjectModelElement element = childrenMap.get(elementPath);
if (element instanceof TmfTraceElement) {
childrenMap.remove(elementPath);
} else {
element = new TmfTraceElement(name, resource, this);
}
}
// Cleanup dangling children from the model
for (ITmfProjectModelElement danglingChild : childrenMap.values()) {
removeChild(danglingChild);
}
/* Update the analysis under this experiment */
super.refreshChildren();
}
private List<IResource> getTraceResources() {
IFolder folder = getResource();
final List<IResource> list = new ArrayList<>();
try {
folder.accept(new IResourceProxyVisitor() {
@Override
public boolean visit(IResourceProxy resource) throws CoreException {
if (resource.isLinked()) {
list.add(resource.requestResource());
}
return true;
}
}, IResource.NONE);
} catch (CoreException e) {
}
return list;
}
// ------------------------------------------------------------------------
// Operations
// ------------------------------------------------------------------------
/**
* Refreshes the trace type filed by reading the trace type persistent
* property of the resource reference.
*
* If trace type is null after refresh, set it to the generic trace type
* (for seamless upgrade)
*/
@Override
public void refreshTraceType() {
super.refreshTraceType();
if (getTraceType() == null) {
IConfigurationElement ce = TmfTraceType.getTraceAttributes(TmfTraceType.DEFAULT_EXPERIMENT_TYPE);
if (ce != null) {
try {
IFolder experimentFolder = getResource();
experimentFolder.setPersistentProperty(TmfCommonConstants.TRACETYPE, ce.getAttribute(TmfTraceType.ID_ATTR));
super.refreshTraceType();
} catch (InvalidRegistryObjectException | CoreException e) {
}
}
}
}
/**
* Returns a list of TmfTraceElements contained in this experiment.
* @return a list of TmfTraceElements
*/
@Override
public List<TmfTraceElement> getTraces() {
List<ITmfProjectModelElement> children = getChildren();
List<TmfTraceElement> traces = new ArrayList<>();
for (ITmfProjectModelElement child : children) {
if (child instanceof TmfTraceElement) {
traces.add((TmfTraceElement) child);
}
}
return traces;
}
/**
* Adds a trace to the experiment
*
* @param trace The trace element to add
* @since 2.0
*/
public void addTrace(TmfTraceElement trace) {
/**
* Create a link to the actual trace and set the trace type
*/
IFolder experiment = getResource();
IResource resource = trace.getResource();
IPath location = resource.getLocation();
IWorkspace workspace = ResourcesPlugin.getWorkspace();
try {
String traceTypeId = trace.getResource().getPersistentProperty(TmfCommonConstants.TRACETYPE);
TraceTypeHelper traceType = TmfTraceType.getTraceType(traceTypeId);
if (resource instanceof IFolder) {
IFolder folder = experiment.getFolder(trace.getElementPath());
TraceUtils.createFolder((IFolder) folder.getParent(), new NullProgressMonitor());
IStatus result = workspace.validateLinkLocation(folder, location);
if (result.isOK() || result.matches(IStatus.INFO | IStatus.WARNING)) {
folder.createLink(location, IResource.REPLACE, null);
if (traceType != null) {
TmfTraceTypeUIUtils.setTraceType(folder, traceType);
}
} else {
Activator.getDefault().logError("Error creating link. Invalid trace location " + location); //$NON-NLS-1$
}
} else {
IFile file = experiment.getFile(trace.getElementPath());
TraceUtils.createFolder((IFolder) file.getParent(), new NullProgressMonitor());
IStatus result = workspace.validateLinkLocation(file, location);
if (result.isOK() || result.matches(IStatus.INFO | IStatus.WARNING)) {
file.createLink(location, IResource.REPLACE, null);
if (traceType != null) {
TmfTraceTypeUIUtils.setTraceType(file, traceType);
}
} else {
Activator.getDefault().logError("Error creating link. Invalid trace location " + location); //$NON-NLS-1$
}
}
} catch (CoreException e) {
Activator.getDefault().logError("Error creating link to location " + location, e); //$NON-NLS-1$
}
}
/**
* Removes a trace from an experiment
*
* @param trace The trace to remove
* @throws CoreException exception
* @since 2.0
*/
public void removeTrace(TmfTraceElement trace) throws CoreException {
// Close the experiment if open
closeEditors();
/* Finally, remove the trace from experiment*/
removeChild(trace);
deleteTraceResource(trace.getResource());
deleteSupplementaryResources();
}
private void deleteTraceResource(IResource resource) throws CoreException {
resource.delete(true, null);
IContainer parent = resource.getParent();
// delete empty folders up to the parent experiment folder
if (!parent.equals(getResource()) && parent.members().length == 0) {
deleteTraceResource(parent);
}
}
@Override
public IFile createBookmarksFile() throws CoreException {
return createBookmarksFile(getProject().getExperimentsFolder().getResource(), TmfExperiment.class.getCanonicalName());
}
@Override
public String getEditorId() {
/* See if a default editor was set for this experiment type */
if (getTraceType() != null) {
IConfigurationElement ce = sfTraceTypeUIAttributes.get(getTraceType());
if (ce != null) {
IConfigurationElement[] defaultEditorCE = ce.getChildren(TmfTraceTypeUIUtils.DEFAULT_EDITOR_ELEM);
if (defaultEditorCE.length == 1) {
return defaultEditorCE[0].getAttribute(TmfTraceType.ID_ATTR);
}
}
}
/* No default editor, try to find a common editor for all traces */
final List<TmfTraceElement> traceEntries = getTraces();
String commonEditorId = null;
for (TmfTraceElement element : traceEntries) {
// If all traces use the same editorId, use it, otherwise use the
// default
final String editorId = element.getEditorId();
if (commonEditorId == null) {
commonEditorId = (editorId != null) ? editorId : TmfEventsEditor.ID;
} else if (!commonEditorId.equals(editorId)) {
commonEditorId = TmfEventsEditor.ID;
}
}
return null;
}
/**
* Instantiate a {@link TmfExperiment} object based on the experiment type
* and the corresponding extension.
*
* @return the {@link TmfExperiment} or <code>null</code> for an error
* @since 3.0
*/
@Override
public TmfExperiment instantiateTrace() {
try {
// make sure that supplementary folder exists
refreshSupplementaryFolder();
if (getTraceType() != null) {
IConfigurationElement ce = sfTraceTypeAttributes.get(getTraceType());
if (ce == null) {
return null;
}
TmfExperiment experiment = (TmfExperiment) ce.createExecutableExtension(TmfTraceType.EXPERIMENT_TYPE_ATTR);
return experiment;
}
} catch (CoreException e) {
Activator.getDefault().logError(NLS.bind(Messages.TmfExperimentElement_ErrorInstantiatingTrace, getName()), e);
}
return null;
}
@Override
public String getTypeName() {
return Messages.TmfExperimentElement_TypeName;
}
// ------------------------------------------------------------------------
// IPropertySource2
// ------------------------------------------------------------------------
@Override
public Object getEditableValue() {
return null;
}
@Override
public IPropertyDescriptor[] getPropertyDescriptors() {
return Arrays.copyOf(sfDescriptors, sfDescriptors.length);
}
@Override
public Object getPropertyValue(Object id) {
if (sfName.equals(id)) {
return getName();
}
if (sfPath.equals(id)) {
return getPath().toString();
}
if (sfLocation.equals(id)) {
return getLocation().toString();
}
if (sfExperimentType.equals(id)) {
if (getTraceType() != null) {
IConfigurationElement ce = sfTraceTypeAttributes.get(getTraceType());
if (ce == null) {
return ""; //$NON-NLS-1$
}
String categoryId = ce.getAttribute(TmfTraceType.CATEGORY_ATTR);
if (categoryId != null) {
IConfigurationElement category = sfTraceCategories.get(categoryId);
if (category != null) {
return category.getAttribute(TmfTraceType.NAME_ATTR) + ':' + ce.getAttribute(TmfTraceType.NAME_ATTR);
}
}
return ce.getAttribute(TmfTraceType.NAME_ATTR);
}
}
return null;
}
@Override
public void resetPropertyValue(Object id) {
}
@Override
public void setPropertyValue(Object id, Object value) {
}
@Override
public boolean isPropertyResettable(Object id) {
return false;
}
@Override
public boolean isPropertySet(Object id) {
return false;
}
/**
* Return the suffix for resource names
* @return The folder suffix
*/
@Override
public String getSuffix() {
return sfFolderSuffix;
}
}