descent.internal.ui.refactoring.actions.RefactoringStarter.java Source code

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Here is the source code for descent.internal.ui.refactoring.actions.RefactoringStarter.java

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/*******************************************************************************
 * Copyright (c) 2000, 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package descent.internal.ui.refactoring.actions;

import descent.core.JavaModelException;

import org.eclipse.swt.widgets.Shell;

import org.eclipse.jface.dialogs.IDialogConstants;

import descent.internal.ui.refactoring.RefactoringSaveHelper;

import org.eclipse.ltk.core.refactoring.Refactoring;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.ui.refactoring.RefactoringWizard;
import org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation;

/**
 * A helper class to activate the UI of a refactoring
 */
public class RefactoringStarter {

    private RefactoringSaveHelper fSaveHelper = new RefactoringSaveHelper();
    private RefactoringStatus fStatus;

    public void activate(Refactoring refactoring, RefactoringWizard wizard, Shell parent, String dialogTitle,
            boolean mustSaveEditors) throws JavaModelException {
        if (!canActivate(mustSaveEditors, parent))
            return;

        try {
            RefactoringWizardOpenOperation op = new RefactoringWizardOpenOperation(wizard);
            int result = op.run(parent, dialogTitle);
            fStatus = op.getInitialConditionCheckingStatus();
            if (result == IDialogConstants.CANCEL_ID
                    || result == RefactoringWizardOpenOperation.INITIAL_CONDITION_CHECKING_FAILED)
                fSaveHelper.triggerBuild();
        } catch (InterruptedException e) {
            // do nothing. User action got cancelled
        }
    }

    public RefactoringStatus getInitialConditionCheckingStatus() {
        return fStatus;
    }

    private boolean canActivate(boolean mustSaveEditors, Shell shell) {
        return !mustSaveEditors || fSaveHelper.saveEditors(shell);
    }
}