package org.erlide.ui.util;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.preference.PreferenceDialog;
import org.eclipse.jface.window.Window;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.PreferencesUtil;
import org.eclipse.ui.progress.UIJob;
import org.erlide.runtime.events.NoRuntimeEvent;
import org.erlide.util.ErlLogger;
import org.erlide.util.MessageReporter;
import com.google.common.eventbus.Subscribe;
public class NoRuntimeHandler implements Runnable {
private static boolean running = false;
private static boolean reported = false;
@Override
public void run() {
final UIJob job = new UIJob("erlide set runtime") {
@Override
public IStatus runInUIThread(final IProgressMonitor monitor) {
if (running) {
return Status.OK_STATUS;
}
running = true;
if (reported) {
MessageReporter
.showError("Erlang support requires an Erlang installation. "
+ "Did you configure it?");
} else {
MessageReporter
.showError("Erlang support requires an Erlang installation. "
+ "Please configure it. "
+ "Eclipse will restart afterwards.");
}
reported = true;
final PreferenceDialog pref = PreferencesUtil.createPreferenceDialogOn(
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
"org.erlide.ui.preferences.runtimes", null, null);
if (pref != null) {
if (pref.open() == Window.OK) {
ErlLogger
.info("Restarting workbench after initial runtime configuration...");
PlatformUI.getWorkbench().restart();
}
}
running = false;
return Status.OK_STATUS;
}
};
job.schedule();
}
@Subscribe
public void handle(final NoRuntimeEvent event) {
run();
}
}