MapReducePreferencePage.java
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上传日期:2018-01-08
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文件大小:2k
- /**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you 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.apache.hadoop.eclipse.preferences;
- import org.apache.hadoop.eclipse.Activator;
- import org.eclipse.jface.preference.DirectoryFieldEditor;
- import org.eclipse.jface.preference.FieldEditorPreferencePage;
- import org.eclipse.ui.IWorkbench;
- import org.eclipse.ui.IWorkbenchPreferencePage;
- /**
- * This class represents a preference page that is contributed to the
- * Preferences dialog. By sub-classing <tt>FieldEditorPreferencePage</tt>,
- * we can use the field support built into JFace that allows us to create a
- * page that is small and knows how to save, restore and apply itself.
- *
- * <p>
- * This page is used to modify preferences only. They are stored in the
- * preference store that belongs to the main plug-in class. That way,
- * preferences can be accessed directly via the preference store.
- */
- public class MapReducePreferencePage extends FieldEditorPreferencePage
- implements IWorkbenchPreferencePage {
- public MapReducePreferencePage() {
- super(GRID);
- setPreferenceStore(Activator.getDefault().getPreferenceStore());
- setTitle("Hadoop Map/Reduce Tools");
- // setDescription("Hadoop Map/Reduce Preferences");
- }
- /**
- * Creates the field editors. Field editors are abstractions of the common
- * GUI blocks needed to manipulate various types of preferences. Each field
- * editor knows how to save and restore itself.
- */
- @Override
- public void createFieldEditors() {
- addField(new DirectoryFieldEditor(PreferenceConstants.P_PATH,
- "&Hadoop installation directory:", getFieldEditorParent()));
- }
- /* @inheritDoc */
- public void init(IWorkbench workbench) {
- }
- }