/*******************************************************************************
 * Copyright (c) 2000, 2006 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 org.eclipse.ui.tests.navigator;

import java.io.ByteArrayInputStream;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.tests.harness.util.UITestCase;
import org.eclipse.ui.views.navigator.ResourceNavigator;

/**
 * The AbstractNavigatorTest is the abstract superclass
 * of tests that use a populated Resource Navigator.
 */
public abstract class AbstractNavigatorTest extends UITestCase {

    private static final String NAVIGATOR_VIEW_ID = "org.eclipse.ui.views.ResourceNavigator";

    protected IProject testProject;

    protected IFolder testFolder;

    protected IFile testFile;

    protected ResourceNavigator navigator;

    public AbstractNavigatorTest(String testName) {
        super(testName);
    }

    protected void createTestProject() throws CoreException {
        if (testProject == null) {
            IWorkspace workspace = ResourcesPlugin.getWorkspace();
            testProject = workspace.getRoot().getProject("TestProject");
            testProject.create(null);
            testProject.open(null);
        }
    }

    protected void createTestFolder() throws CoreException {
        if (testFolder == null) {
            createTestProject();
            testFolder = testProject.getFolder("TestFolder");
            testFolder.create(false, false, null);
        }
    }

    protected void createTestFile() throws CoreException {
        if (testFile == null) {
            createTestFolder();
            testFile = testFolder.getFile("Foo.txt");
            testFile.create(
                    new ByteArrayInputStream("Some content.".getBytes()),
                    false, null);
        }
    }

    /** Shows the Navigator in a new test window. */
    protected void showNav() throws PartInitException {
        IWorkbenchWindow window = openTestWindow();
        navigator = (ResourceNavigator) window.getActivePage().showView(
                NAVIGATOR_VIEW_ID);
    }

    @Override
	protected void doTearDown() throws Exception {
        if (testProject != null) {
            try {
                testProject.delete(true, null);
            } catch (CoreException e) {
                fail(e.toString());
            }
            testProject = null;
            testFolder = null;
            testFile = null;
        }
        super.doTearDown();
        navigator = null;
    }

}