com.google.dart.tools.ui.internal.refactoring.actions.RefactoringStarter.java Source code

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Here is the source code for com.google.dart.tools.ui.internal.refactoring.actions.RefactoringStarter.java

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/*
 * Copyright (c) 2012, the Dart project authors.
 * 
 * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.dart.tools.ui.internal.refactoring.actions;

import com.google.dart.tools.ui.internal.refactoring.RefactoringSaveHelper;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.ui.refactoring.RefactoringWizard;
import org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation;
import org.eclipse.swt.widgets.Shell;

/**
 * A helper class to activate the UI of a refactoring
 * 
 * @coverage dart.editor.ui.refactoring.ui
 */
public class RefactoringStarter {

    private RefactoringStatus fStatus;

    public boolean activate(RefactoringWizard wizard, Shell parent, String dialogTitle, int saveMode) {
        RefactoringSaveHelper saveHelper = new RefactoringSaveHelper(saveMode);
        if (!canActivate(saveHelper, parent)) {
            return false;
        }

        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) {
                saveHelper.triggerIncrementalBuild();
                return false;
            } else {
                return true;
            }
        } catch (InterruptedException e) {
            return false; // User action got cancelled
        }
    }

    public RefactoringStatus getInitialConditionCheckingStatus() {
        return fStatus;
    }

    private boolean canActivate(RefactoringSaveHelper saveHelper, Shell shell) {
        return saveHelper.saveEditors(shell);
    }
}