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

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Here is the source code for ca.mcgill.cs.swevo.qualyzer.handlers.MemoPropertiesHandler.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.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 ca.mcgill.cs.swevo.qualyzer.QualyzerActivator;
import ca.mcgill.cs.swevo.qualyzer.dialogs.MemoPropertiesDialog;
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.Memo;

/**
 * Opens the memo properties dialog and then saves any changes.
 *
 */
public class MemoPropertiesHandler extends AbstractHandler implements ITestableHandler {

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

    @Override
    public Object execute(ExecutionEvent event) throws ExecutionException {
        Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
        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 Memo) {
                Memo memo = (Memo) element;
                MemoPropertiesDialog dialog = new MemoPropertiesDialog(shell, memo);
                dialog.create();
                dialog.setBlockOnOpen(!fTesting);
                dialog.open();
                fTester.execute(dialog);

                if (dialog.getReturnCode() == Window.OK) {
                    memo.setDate(dialog.getDate());
                    memo.setAuthor(dialog.getAuthor());
                    memo.setParticipants(dialog.getParticipants());
                    memo.setCode(dialog.getCode());
                    memo.setTranscript(dialog.getTranscript());

                    Facade.getInstance().saveMemo(memo);

                    view.getCommonViewer().refresh();
                }
            }
        }
        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;
    }

}