/*

  * Copyright 2004-2008 the Seasar Foundation and the Others.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 

  * either express or implied. See the License for the specific language

  * governing permissions and limitations under the License.

  */

 package org.seasar.eclipse.common.preference;

 import org.eclipse.core.resources.IProject;

 import org.eclipse.core.runtime.IAdaptable;

 import org.eclipse.ui.IWorkbench;

 import org.eclipse.ui.IWorkbenchPreferencePage;

 import org.eclipse.ui.dialogs.PropertyPage;

 /**

  * @author taichi

  * 

  */

 public abstract class AbstractPreferencePage extends PropertyPage implements

                 IWorkbenchPreferencePage {

         protected IWorkbench workbench;

         public AbstractPreferencePage() {

                 super();

         }

         public void init(IWorkbench workbench) {

                 this.workbench = workbench;

         }

         public boolean isProjectPage() {

                 return getProject() != null;

         }

         public IProject getProject() {

                 IProject result = null;

                 Object o = getElement();

                 if (o instanceof IProject) {

                         result = (IProject) o;

                 } else if (o instanceof IAdaptable) {

                         IAdaptable a = (IAdaptable) o;

                         result = (IProject) a.getAdapter(IProject.class);

                 }

                 return result;

         }

 }