| /* |
| * 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.felix.shell.gui.plugin; |
| |
| import java.awt.Font; |
| |
| import javax.swing.*; |
| |
| public class ScrollableOutputArea extends JScrollPane |
| { |
| private JTextArea m_textArea = null; |
| |
| public ScrollableOutputArea() |
| { |
| super(); |
| m_textArea = new JTextArea(); |
| initialize(); |
| } |
| |
| public ScrollableOutputArea(int rows, int columns) |
| { |
| super(); |
| m_textArea = new JTextArea(rows, columns); |
| initialize(); |
| } |
| |
| private void initialize() |
| { |
| setViewportView(m_textArea); |
| m_textArea.setLineWrap(true); |
| m_textArea.setAutoscrolls(true); |
| m_textArea.setEnabled(true); |
| m_textArea.setEditable(false); |
| m_textArea.setFont(new Font("Monospaced", 0, 12)); |
| setAutoscrolls(true); |
| } |
| |
| public void setText(String s) |
| { |
| m_textArea.setText(s); |
| } |
| |
| public void addText(String text) |
| { |
| m_textArea.append(text); |
| if (m_textArea.isDisplayable()) |
| { |
| try |
| { |
| m_textArea.setCaretPosition(Integer.MAX_VALUE); // Scroll to end of window |
| } |
| catch (Exception e) |
| { |
| // Just for safety |
| } |
| } |
| validate(); |
| JScrollBar sb = getVerticalScrollBar(); |
| if ((sb != null) && (sb.isVisible())) |
| { |
| sb.setValue(Integer.MAX_VALUE); |
| } |
| } |
| } |