IntroduceNewVariableRefactoring.java

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.core.SimpleOneStepWranglerRefactoring;
import org.erlide.wrangler.refactoring.selection.IErlMemberSelection;
import org.erlide.wrangler.refactoring.selection.IErlSelection;
import org.erlide.wrangler.refactoring.util.GlobalParameters;

public class IntroduceNewVariableRefactoring extends SimpleOneStepWranglerRefactoring {

    @Override
    public IRefactoringRpcMessage run(final IErlSelection selection) {
        final IErlMemberSelection sel = (IErlMemberSelection) selection;
        return WranglerBackendManager.getRefactoringBackend().call(
                "intro_new_var_eclipse", "sxxsxi", sel.getFilePath(),
                sel.getSelectionRange().getStartPos(),
                sel.getSelectionRange().getEndPos(), userInput, sel.getSearchPath(),
                GlobalParameters.getTabWidth());
    }

    @Override
    public RefactoringStatus checkInitialConditions(final IProgressMonitor pm)
            throws CoreException, OperationCanceledException {
        final IErlSelection sel = GlobalParameters.getWranglerSelection();
        if (sel instanceof IErlMemberSelection) {
            return new RefactoringStatus();
        }

        return RefactoringStatus.createFatalErrorStatus("Please select an expression!");
    }

    @Override
    public String getName() {
        return "Introduce new variable";
    }

}