/**
* Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
* Licensed under the terms of the Eclipse Public License (EPL).
* Please see the license.txt included with this distribution for details.
* Any modifications to this file must keep this entire header intact.
*/
package org.python.pydev.debug.pyunit;
import java.lang.ref.WeakReference;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IResourceDeltaVisitor;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IMenuCreator;
import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Menu;
import org.python.pydev.core.log.Log;
import org.python.pydev.debug.core.PydevDebugPlugin;
import org.python.pydev.debug.pyunit.HistoryAction.IActionsMenu;
import org.python.pydev.editor.codecompletion.revisited.PythonPathHelper;
import org.python.pydev.plugin.PydevPlugin;
/**
* This action will take care of relaunching the current test suite whenever any file changes.
*
* @author fabioz
*/
public class RelaunchInBackgroundAction extends Action implements IResourceChangeListener {
/**
* @author fabioz
*
*/
private final class RelaunchJob extends Job {
private PyUnitTestRun currentTestRun;
private RelaunchJob() {
super("Relaunch test suite");
this.setPriority(Job.SHORT);
this.setSystem(true);
}
@Override
protected IStatus run(IProgressMonitor monitor) {
if (!currentTestRun.getFinished()) { //Wait for the current run to finish.
this.schedule(300);
return Status.OK_STATUS;
}
if (PydevDebugPlugin.getDefault().getPreferenceStore()
.getBoolean(PyUnitView.PYUNIT_VIEW_BACKGROUND_RELAUNCH_SHOW_ONLY_ERRORS)) {
currentTestRun.relaunchOnlyErrors();
} else {
currentTestRun.relaunch();
}
return Status.OK_STATUS;
}
public void setTestToRun(PyUnitTestRun currentTestRun) {
this.currentTestRun = currentTestRun;
}
}
public class RelaunchInBackgroundOptionsMenuCreator implements IMenuCreator {
private Menu fMenu;
public RelaunchInBackgroundOptionsMenuCreator() {
}
public void dispose() {
if (fMenu != null) {
fMenu.dispose();
fMenu = null;
}
}
public Menu getMenu(Control parent) {
if (fMenu != null) {
fMenu.dispose();
}
final MenuManager manager = new MenuManager();
manager.setRemoveAllWhenShown(true);
manager.addMenuListener(new IMenuListener() {
public void menuAboutToShow(final IMenuManager manager2) {
fillMenuManager(new IActionsMenu() {
public void add(IAction action) {
manager2.add(action);
}
});
}
});
fMenu = manager.createContextMenu(parent);
return fMenu;
}
public Menu getMenu(Menu parent) {
return null; //yes, return null here (no sub children)
}
public void fillMenuManager(IActionsMenu actionsMenu) {
actionsMenu.add(new RelaunchOnlyErrorsOnBackgroundRelaunch());
}
}
private class RelaunchOnlyErrorsOnBackgroundRelaunch extends Action {
public RelaunchOnlyErrorsOnBackgroundRelaunch() {
this.setText("Run only failed tests when relaunching due to file changes?");
this.setToolTipText("If checked, a relaunch will relaunch only the errors in the current test run.\n"
+ "\n" + "If no errors are found, the full test suite is run again.");
this.setChecked(PydevDebugPlugin.getDefault().getPreferenceStore()
.getBoolean(PyUnitView.PYUNIT_VIEW_BACKGROUND_RELAUNCH_SHOW_ONLY_ERRORS));
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
PydevDebugPlugin.getDefault().getPreferenceStore()
.setValue(PyUnitView.PYUNIT_VIEW_BACKGROUND_RELAUNCH_SHOW_ONLY_ERRORS, this.isChecked());
}
}
private WeakReference<PyUnitView> view;
RelaunchJob relaunchJob = new RelaunchJob();
private boolean listeningChanges;
public RelaunchInBackgroundAction(PyUnitView pyUnitView) {
this.view = new WeakReference<PyUnitView>(pyUnitView);
setMenuCreator(new RelaunchInBackgroundOptionsMenuCreator()); //Options for user
this.listeningChanges = false;
this.setImageDescriptor(PydevPlugin.getImageCache().getDescriptor("icons/relaunch_background_disabled.png"));
setInitialTooltipText();
}
private void setInitialTooltipText() {
this.setToolTipText("Click to rerun the current test suite whenever any Python file changes.\n"
+ "\nNote that a new run will only be done after the current test run finishes.");
}
private void stopListening() {
ResourcesPlugin.getWorkspace().removeResourceChangeListener(this);
}
private void startListening() {
ResourcesPlugin.getWorkspace().addResourceChangeListener(this, IResourceChangeEvent.POST_CHANGE);
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
this.listeningChanges = !this.listeningChanges;
if (this.listeningChanges) {
this.setImageDescriptor(PydevPlugin.getImageCache().getDescriptor("icons/relaunch_background_enabled.png"));
startListening();
} else {
this.setImageDescriptor(PydevPlugin.getImageCache().getDescriptor("icons/relaunch_background_disabled.png"));
stopListening();
}
}
public void resourceChanged(final IResourceChangeEvent event) {
//Handle cases where the view was closed...
if (view == null) {
stopListening();
return;
}
PyUnitView pyUnitView = view.get();
if (pyUnitView == null) {
stopListening();
return;
}
final boolean[] run = new boolean[] { false };
try {
event.getDelta().accept(new IResourceDeltaVisitor() {
public boolean visit(IResourceDelta delta) {
switch (delta.getKind()) {
case IResourceDelta.CHANGED:
IResource resource = delta.getResource();
if (resource instanceof IFile) {
//Check if a source file was changed (i.e.: don't get .pyc, .class, etc).
if (PythonPathHelper.isValidSourceFile((IFile) resource)) {
int flags = delta.getFlags();
if ((flags & IResourceDelta.CONTENT) != 0) {
//Uncomment to debug...
//System.out.println("----------------------");
//System.out.println("----------------------");
//System.out.println("----------------------");
//System.out.println("----------------------");
//System.out.println(event.getResource());
//System.out.println(event.getBuildKind());
//System.out.println(event.getSource());
//System.out.println(resource+" "+resource.getModificationStamp());
run[0] = true;
}
}
}
break;
}
return true;
}
});
} catch (CoreException e) {
Log.log(e);
}
if (run[0]) {
//Ok, we've the view, let's relaunch the current launch (if any)
PyUnitTestRun currentTestRun = pyUnitView.getCurrentTestRun();
if (currentTestRun != null) {
relaunchJob.setTestToRun(currentTestRun);
relaunchJob.schedule(200); //Give some time to handle more changes...
}
}
}
}