ca.mcgill.cs.swevo.qualyzer.handlers.ProjectPropertiesHandler.java Source code

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Here is the source code for ca.mcgill.cs.swevo.qualyzer.handlers.ProjectPropertiesHandler.java

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/*******************************************************************************
 * Copyright (c) 2010 McGill University
 * 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:
 *     Jonathan Faubert
 *******************************************************************************/
package ca.mcgill.cs.swevo.qualyzer.handlers;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.navigator.CommonNavigator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import ca.mcgill.cs.swevo.qualyzer.QualyzerActivator;
import ca.mcgill.cs.swevo.qualyzer.QualyzerException;
import ca.mcgill.cs.swevo.qualyzer.dialogs.ProjectPropertiesDialog;
import ca.mcgill.cs.swevo.qualyzer.editors.IDialogTester;
import ca.mcgill.cs.swevo.qualyzer.editors.NullTester;
import ca.mcgill.cs.swevo.qualyzer.model.Facade;
import ca.mcgill.cs.swevo.qualyzer.model.Project;
import ca.mcgill.cs.swevo.qualyzer.model.ListenerManager.ChangeType;
import ca.mcgill.cs.swevo.qualyzer.ui.ResourcesUtil;
import ca.mcgill.cs.swevo.qualyzer.util.FileUtil;

/**
 * Displays the project properties, including the location and active investigator. 
 * Saves any changes made to the active investigator.
 *
 */
public class ProjectPropertiesHandler extends AbstractHandler implements ITestableHandler {
    private static Logger gLogger = LoggerFactory.getLogger(ProjectPropertiesHandler.class);

    private boolean fTesting = false;
    private IDialogTester fTester = new NullTester();

    @Override
    public Object execute(ExecutionEvent event) throws ExecutionException {
        IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
        CommonNavigator view = (CommonNavigator) page.findView(QualyzerActivator.PROJECT_EXPLORER_VIEW_ID);
        ISelection selection = view.getCommonViewer().getSelection();

        if (selection != null && selection instanceof IStructuredSelection) {
            IStructuredSelection struct = (IStructuredSelection) selection;
            Object element = struct.getFirstElement();
            if (element instanceof IProject) {
                Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
                Project project = ResourcesUtil.getProject(element);
                ProjectPropertiesDialog dialog = new ProjectPropertiesDialog(shell, project);
                dialog.setBlockOnOpen(!fTesting);
                dialog.open();
                fTester.execute(dialog);
                try {
                    if (dialog.getReturnCode() == Window.OK) {
                        IProject wProject = (IProject) element;
                        try {
                            FileUtil.setProjectProperty(wProject, FileUtil.ACTIVE_INV, dialog.getInvestigator());

                            Facade facade = Facade.getInstance();
                            facade.getListenerManager().notifyProjectListeners(ChangeType.MODIFY, project, facade);
                        } catch (CoreException e) {
                            gLogger.error("Unable to set Active Investigator", e); //$NON-NLS-1$
                            MessageDialog.openError(shell,
                                    Messages.getString("handlers.ProjectPropertiesHandler.fileAccessError"), //$NON-NLS-1$
                                    Messages.getString("handlers.ProjectPropertiesHandler.errorMessage")); //$NON-NLS-1$
                        }
                    }
                } catch (QualyzerException e) {
                    MessageDialog.openError(shell,
                            Messages.getString("handlers.ProjectPropertiesHandler.fileAccessError"), //$NON-NLS-1$
                            e.getMessage());
                }
            }
        }

        return null;
    }

    /* (non-Javadoc)
     * @see ca.mcgill.cs.swevo.qualyzer.handlers.ITestableHandler#getTester()
     */
    @Override
    public IDialogTester getTester() {
        return fTester;
    }

    /* (non-Javadoc)
     * @see ca.mcgill.cs.swevo.qualyzer.handlers.ITestableHandler#isWindowsBlock()
     */
    @Override
    public boolean isTesting() {
        return fTesting;
    }

    /* (non-Javadoc)
     * @see ca.mcgill.cs.swevo.qualyzer.handlers.ITestableHandler#setTester(
     * ca.mcgill.cs.swevo.qualyzer.editors.IDialogTester)
     */
    @Override
    public void setTester(IDialogTester tester) {
        fTester = tester;
    }

    /* (non-Javadoc)
     * @see ca.mcgill.cs.swevo.qualyzer.handlers.ITestableHandler#setWindowsBlock(boolean)
     */
    @Override
    public void setTesting(boolean windowsBlock) {
        fTesting = windowsBlock;
    }

}