PyTextFileChange.java

package org.python.pydev.refactoring.core.base;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.TextFileChange;
import org.python.pydev.core.log.Log;

import com.aptana.shared_core.utils.RunInUiThread;


public class PyTextFileChange extends TextFileChange {

    public PyTextFileChange(String name, IFile file) {
        super(name, file);
    }

    public Change perform(final org.eclipse.core.runtime.IProgressMonitor pm) throws CoreException {

        final Object[] superPerform = new Object[1];
        //We need to sync it to have UI access because otherwise we're unable to start a document rewrite session.
        RunInUiThread.sync(new Runnable() {

            public void run() {
                try {
                    superPerform[0] = superPerform(pm);
                } catch (CoreException e) {
                    superPerform[0] = e;
                    Log.log(e);
                } catch (Throwable e) {
                    superPerform[0] = new RuntimeException(e);
                    Log.log(e);
                }
            }
        });
        Object object = superPerform[0];

        if (object == null) {
            return null;
        }

        if (object instanceof Change) {
            return (Change) object;
        }

        if (object instanceof CoreException) {
            throw (CoreException) object;
        } else {
            throw (RuntimeException) object;

        }
    }

    public Change superPerform(org.eclipse.core.runtime.IProgressMonitor pm) throws CoreException {
        return super.perform(pm);
    }
}