/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ui.tests.dialogs;

import java.util.Iterator;

import junit.framework.TestCase;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;

import org.eclipse.swt.widgets.Shell;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.preference.IPreferenceNode;
import org.eclipse.jface.preference.PreferenceDialog;
import org.eclipse.jface.preference.PreferenceManager;
import org.eclipse.jface.viewers.StructuredSelection;

import org.eclipse.ui.help.WorkbenchHelp;
import org.eclipse.ui.internal.IHelpContextIds;
import org.eclipse.ui.internal.WorkbenchMessages;
import org.eclipse.ui.internal.WorkbenchPlugin;
import org.eclipse.ui.internal.dialogs.PropertyDialog;
import org.eclipse.ui.internal.dialogs.PropertyPageContributorManager;
import org.eclipse.ui.internal.dialogs.PropertyPageManager;
import org.eclipse.ui.model.IWorkbenchAdapter;
import org.eclipse.ui.tests.util.DialogCheck;

public class UIPreferencesAuto extends TestCase {

	private IProject _project;
	private static final String PROJECT_NAME = "DummyProject";

	public UIPreferencesAuto(String name) {
		super(name);
	}
	protected Shell getShell() {
		return DialogCheck.getShell();
	}

	private IProject getDummyProject() {
		try {
			IProject projects[] =
				WorkbenchPlugin.getPluginWorkspace().getRoot().getProjects();
			for (int i = 0; i < projects.length; i++) {
				if (projects[i].getName().equals(PROJECT_NAME)) {
					projects[i].delete(true, null);
					break;
				}
			}
			_project =
				ResourcesPlugin.getWorkspace().getRoot().getProject(
					PROJECT_NAME);
			_project.create(null);
		} catch (CoreException e) {
			System.out.println(e);
		}
		return _project;
	}
	private void deleteDummyProject() {
		try {
			if (_project != null) {
				_project.delete(true, null);
			}
		} catch (CoreException e) {
			System.out.println(e);
		}
	}
	private PreferenceDialog getPreferenceDialog(String id) {
		PreferenceDialogWrapper dialog = null;
		PreferenceManager manager =
			WorkbenchPlugin.getDefault().getPreferenceManager();
		if (manager != null) {
			dialog = new PreferenceDialogWrapper(getShell(), manager);
			dialog.create();
			WorkbenchHelp.setHelp(
				dialog.getShell(),
				IHelpContextIds.PREFERENCE_DIALOG);

			for (Iterator iterator =
				manager.getElements(PreferenceManager.PRE_ORDER).iterator();
				iterator.hasNext();
				) {
				IPreferenceNode node = (IPreferenceNode) iterator.next();
				if (node.getId().equals(id)) {
					dialog.showPage(node);
					break;
				}
			}
		}
		return dialog;
	}
	private PropertyDialog getPropertyDialog(String id) {
		PropertyDialogWrapper dialog = null;

		PropertyPageManager manager = new PropertyPageManager();
		String title = "";
		String name = "";

		IProject element = getDummyProject();
		if (element == null) {
			return null;
		}
		// load pages for the selection
		// fill the manager with contributions from the matching contributors
		PropertyPageContributorManager.getManager().contribute(
			manager,
			element);

		IWorkbenchAdapter adapter =
			(IWorkbenchAdapter) element.getAdapter(IWorkbenchAdapter.class);
		if (adapter != null) {
			name = adapter.getLabel(element);
		}

		// testing if there are pages in the manager
		Iterator pages =
			manager.getElements(PreferenceManager.PRE_ORDER).iterator();
		if (!pages.hasNext()) {
			return null;
		} else {
			title =
				WorkbenchMessages.format(
					"PropertyDialog.propertyMessage",
					new Object[] { name });
			dialog =
				new PropertyDialogWrapper(
					getShell(),
					manager,
					new StructuredSelection(element));
			dialog.create();
			dialog.getShell().setText(title);
			WorkbenchHelp.setHelp(
				dialog.getShell(),
				IHelpContextIds.PROPERTY_DIALOG);
			for (Iterator iterator =
				manager.getElements(PreferenceManager.PRE_ORDER).iterator();
				iterator.hasNext();
				) {
				IPreferenceNode node = (IPreferenceNode) iterator.next();
				if (node.getId().equals(id)) {
					dialog.showPage(node);
					break;
				}
			}
		}
		return dialog;
	}

	public void testWorkbenchPref() {
		Dialog dialog =
			getPreferenceDialog("org.eclipse.ui.preferencePages.Workbench");
		DialogCheck.assertDialogTexts(dialog, this);
	}
	public void testAppearancePref() {
		Dialog dialog =
			getPreferenceDialog("org.eclipse.ui.preferencePages.Views");
		DialogCheck.assertDialogTexts(dialog, this);
	}
	public void testCompareViewersPref() {
		Dialog dialog =
			getPreferenceDialog("org.eclipse.compare.internal.ComparePreferencePage");
		DialogCheck.assertDialogTexts(dialog, this);
	}
	public void testDefaultTextEditorPref() {
		Dialog dialog =
			getPreferenceDialog("org.eclipse.ui.preferencePages.TextEditor");
		DialogCheck.assertDialogTexts(dialog, this);
	}
	public void testFileEditorsPref() {
		Dialog dialog =
			getPreferenceDialog("org.eclipse.ui.preferencePages.FileEditors");
		DialogCheck.assertDialogTexts(dialog, this);
	}
	public void testLocalHistoryPref() {
		Dialog dialog =
			getPreferenceDialog("org.eclipse.ui.preferencePages.FileStates");
		DialogCheck.assertDialogTexts(dialog, this);
	}
	public void testPerspectivesPref() {
		Dialog dialog =
			getPreferenceDialog("org.eclipse.ui.preferencePages.Perspectives");
		DialogCheck.assertDialogTexts(dialog, this);
	}

	//Only really checking if this opens without an exception
	public void testFontEditorsPref() {
		Dialog dialog =
			getPreferenceDialog("org.eclipse.ui.tests.dialogs.FontFieldEditorTestPreferencePage");
		DialogCheck.assertDialogTexts(dialog,this);
	}

	public void testInfoProp() {
		/*
		 * Commented out because it generates a failure
		 * of expect and actual width values. Suspect this
		 * is an SWT issue.
		 * 
		Dialog dialog = getPropertyDialog("org.eclipse.ui.propertypages.info.file");
		DialogCheck.assertDialogTexts(dialog, this);
		 */
	}
	public void testProjectReferencesProp() {
		/*
		 * Commented out because it generates a failure
		 * of expect and actual width values. Suspect this
		 * is an SWT issue.
		 * 
		Dialog dialog = getPropertyDialog("org.eclipse.ui.propertypages.project.reference");
		DialogCheck.assertDialogTexts(dialog, this);
		 */
	}

	/**
	 * Test the editors preference page and toggle the
	 * enable state twice to be sure there are no errors.
	 */
	public void testFieldEditorEnablePref() {

		PreferenceDialogWrapper dialog = null;
		PreferenceManager manager =
			WorkbenchPlugin.getDefault().getPreferenceManager();
		if (manager != null) {
			dialog = new PreferenceDialogWrapper(getShell(), manager);
			dialog.create();

			for (Iterator iterator =
				manager.getElements(PreferenceManager.PRE_ORDER).iterator();
				iterator.hasNext();
				) {
				IPreferenceNode node = (IPreferenceNode) iterator.next();
				if (node
					.getId()
					.equals("org.eclipse.ui.tests.dialogs.EnableTestPreferencePage")) {
					dialog.showPage(node);
					EnableTestPreferencePage page =
						(EnableTestPreferencePage) dialog.getPage(node);
					page.flipState();
					page.flipState();
					break;
				}
			}
		}

	}

}