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/*******************************************************************************
* Copyright (c) 2006, 2014 Texas Instruments Incorporated 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:
* Texas Instruments - initial API and implementation
* Sergey Prigogin (Google)
*******************************************************************************/
package org.eclipse.cdt.managedbuilder.internal.ui.commands;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.eclipse.cdt.internal.core.AdapterUtil;
import org.eclipse.cdt.internal.ui.util.AbstractResourceActionHandler;
import org.eclipse.cdt.managedbuilder.core.IManagedBuildInfo;
import org.eclipse.cdt.managedbuilder.core.ManagedBuildManager;
import org.eclipse.cdt.managedbuilder.internal.core.GeneratedMakefileBuilder;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.preferences.IPreferencesService;
import org.eclipse.jface.viewers.IStructuredSelection;
/**
* Action to clean build output for selected files
*/
public class CleanFilesHandler extends AbstractResourceActionHandler {
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
List<IFile> selectedFiles = getSelectedBuildableFiles(event);
if (selectedFiles.isEmpty())
return null;
CleanFilesJob job = new CleanFilesJob(selectedFiles);
job.schedule();
return null;
}
/**
* Returns a list of buildable resources currently selected.
* "Buildable" means buildable by MBS.
*/
private List<IFile> getSelectedBuildableFiles(ExecutionEvent event) throws ExecutionException {
Collection<IResource> selectedResources = getSelectedResources(event);
List<IFile> files = new ArrayList<>(selectedResources.size());
for (IResource resource : selectedResources) {
// We only add files that we can actually build.
if (resource instanceof IFile && isBuildable(resource)) {
files.add((IFile) resource);
}
}
return files;
}
@Override
public void setEnabled(Object evaluationContext) {
super.setEnabled(evaluationContext);
setBaseEnabled(shouldBeEnabled());
}
private boolean shouldBeEnabled() {
// Fix for bug 139663.
// If build automatically is turned on, then this command should be turned off as
// it will trigger the auto build.
IPreferencesService preferences = Platform.getPreferencesService();
if (preferences.getBoolean(ResourcesPlugin.PI_RESOURCES, ResourcesPlugin.PREF_AUTO_BUILDING,
false, null)) {
// Auto building is on - do not enable the command.
return false;
}
IStructuredSelection selection = getSelection();
if (selection.isEmpty())
return false;
for (Iterator<?> elements = selection.iterator(); elements.hasNext();) {
IFile file = AdapterUtil.adapt(elements.next(), IFile.class);
if (file == null)
return false;
// We only add files that we can actually build.
if (!isBuildable(file))
return false;
}
return true;
}
private static boolean isBuildable(IResource resource) {
IProject project = resource.getProject();
if (!ManagedBuildManager.manages(project))
return false;
IManagedBuildInfo buildInfo = ManagedBuildManager.getBuildInfo(project);
return buildInfo != null && buildInfo.isValid()
&& buildInfo.buildsFileType(resource.getFileExtension());
}
private static class CleanFilesJob extends Job {
private final List<IFile> files;
private CleanFilesJob(List<IFile> filesToBuild) {
super(Messages.CleanFilesHandler_cleaningFiles);
files = filesToBuild;
}
@Override
protected IStatus run(IProgressMonitor monitor) {
synchronized (getClass()) {
if (monitor.isCanceled()) {
return Status.CANCEL_STATUS;
}
Job[] buildJobs = Job.getJobManager().find(ResourcesPlugin.FAMILY_MANUAL_BUILD);
for (Job job : buildJobs) {
if ((job != this) && (job instanceof CleanFilesJob)) {
job.cancel(); // Cancel all other build jobs of our kind.
}
}
}
GeneratedMakefileBuilder builder = new GeneratedMakefileBuilder();
return builder.cleanFiles(files, monitor);
}
@Override
public boolean belongsTo(Object family) {
return ResourcesPlugin.FAMILY_MANUAL_BUILD == family;
}
}
}
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