/*******************************************************************************
 * 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 UIPreferences extends TestCase {
	private IProject _project;
	private static final String PROJECT_NAME = "DummyProject";
	
	public UIPreferences(String name) {
		super(name);
	}
	private 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.assertDialog(dialog, this);
	}
	public void testAppearancePref() {
		Dialog dialog = getPreferenceDialog("org.eclipse.ui.preferencePages.Views");
		DialogCheck.assertDialog(dialog, this);
	}
	public void testCompareViewersPref() {
		Dialog dialog = getPreferenceDialog("org.eclipse.compare.internal.ComparePreferencePage");
		DialogCheck.assertDialog(dialog, this);
	}
	public void testDefaultTextEditorPref() {
		Dialog dialog = getPreferenceDialog("org.eclipse.ui.preferencePages.TextEditor");
		DialogCheck.assertDialog(dialog, this);
	}
	public void testFileEditorsPref() {
		Dialog dialog = getPreferenceDialog("org.eclipse.ui.preferencePages.FileEditors");
		DialogCheck.assertDialog(dialog, this);
	}
	public void testLocalHistoryPref() {
		Dialog dialog = getPreferenceDialog("org.eclipse.ui.preferencePages.FileStates");
		DialogCheck.assertDialog(dialog, this);
	}
	public void testPerspectivesPref() {
		Dialog dialog = getPreferenceDialog("org.eclipse.ui.preferencePages.Perspectives");
		DialogCheck.assertDialog(dialog, this);
	}
	public void testInfoProp() {
		Dialog dialog = getPropertyDialog("org.eclipse.ui.propertypages.info.file");
		DialogCheck.assertDialog(dialog, this);
	}
	public void testProjectReferencesProp() {
		Dialog dialog = getPropertyDialog("org.eclipse.ui.propertypages.project.reference");
		DialogCheck.assertDialog(dialog, this);
	}
}