UserElementaryRefactoring.java example

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erlide-master
package org.erlide.wrangler.refactoring.core.internal;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.erlide.wrangler.refactoring.backend.IRefactoringRpcMessage;
import org.erlide.wrangler.refactoring.backend.internal.WranglerBackendManager;
import org.erlide.wrangler.refactoring.selection.IErlMemberSelection;
import org.erlide.wrangler.refactoring.selection.IErlSelection;
import org.erlide.wrangler.refactoring.util.GlobalParameters;

import com.ericsson.otp.erlang.OtpErlangInt;
import com.ericsson.otp.erlang.OtpErlangList;
import com.ericsson.otp.erlang.OtpErlangObject;
import com.ericsson.otp.erlang.OtpErlangString;

/**
 * Abstract class for elementary user-defined refactorings
 *
 * @author Aleksandra Lipiec <aleksandra.lipiec@erlang-solutions.com>
 * @version %I%, %G%
 */
public abstract class UserElementaryRefactoring extends UserRefactoring {

    @Override
    public IRefactoringRpcMessage run(final IErlSelection selection) {
        final IErlMemberSelection sel = (IErlMemberSelection) selection;

        final OtpErlangList pos = new OtpErlangList(new OtpErlangInt[] {
                new OtpErlangInt(sel.getSelectionRange().getStartLine()),
                new OtpErlangInt(sel.getSelectionRange().getStartCol()) });
        final OtpErlangList selectionBeg = new OtpErlangList(new OtpErlangInt[] {
                new OtpErlangInt(sel.getSelectionRange().getStartLine()),
                new OtpErlangInt(sel.getSelectionRange().getStartCol()) });
        final OtpErlangList selectionEnd = new OtpErlangList(new OtpErlangInt[] {
                new OtpErlangInt(sel.getSelectionRange().getEndLine()),
                new OtpErlangInt(sel.getSelectionRange().getEndCol()) });
        final OtpErlangList selectionPos = new OtpErlangList(
                new OtpErlangObject[] { selectionBeg, selectionEnd });
        final OtpErlangList args = new OtpErlangList(
                new OtpErlangObject[] { new OtpErlangString(sel.getFilePath()), pos,
                        selectionPos, prepareUserInput(), sel.getSearchPath(),
                        new OtpErlangInt(GlobalParameters.getTabWidth()) });

        return WranglerBackendManager.getRefactoringBackend().call("run_refac_eclipse",
                "sx", getCallbackModule(), args);
    }

    @Override
    public RefactoringStatus checkInitialConditions(final IProgressMonitor pm)
            throws CoreException, OperationCanceledException {
        return new RefactoringStatus(); // OK, no preconditins
    }

}