Richard S. Hall | 5c23fb9 | 2006-09-28 19:55:37 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | * or more contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. The ASF licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
Richard S. Hall | 54d1e2e | 2006-04-05 14:19:38 +0000 | [diff] [blame] | 9 | * |
Richard S. Hall | 5c23fb9 | 2006-09-28 19:55:37 +0000 | [diff] [blame] | 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
Richard S. Hall | 54d1e2e | 2006-04-05 14:19:38 +0000 | [diff] [blame] | 11 | * |
Richard S. Hall | 5c23fb9 | 2006-09-28 19:55:37 +0000 | [diff] [blame] | 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
Richard S. Hall | 54d1e2e | 2006-04-05 14:19:38 +0000 | [diff] [blame] | 18 | */ |
| 19 | package org.apache.felix.shell.gui.plugin; |
| 20 | |
| 21 | import java.awt.Font; |
| 22 | |
| 23 | import javax.swing.*; |
| 24 | |
| 25 | public class ScrollableOutputArea extends JScrollPane |
| 26 | { |
| 27 | private JTextArea m_textArea = null; |
| 28 | |
| 29 | public ScrollableOutputArea() |
| 30 | { |
| 31 | super(); |
| 32 | m_textArea = new JTextArea(); |
| 33 | initialize(); |
| 34 | } |
| 35 | |
| 36 | public ScrollableOutputArea(int rows, int columns) |
| 37 | { |
| 38 | super(); |
| 39 | m_textArea = new JTextArea(rows, columns); |
| 40 | initialize(); |
| 41 | } |
| 42 | |
| 43 | private void initialize() |
| 44 | { |
| 45 | setViewportView(m_textArea); |
| 46 | m_textArea.setLineWrap(true); |
| 47 | m_textArea.setAutoscrolls(true); |
| 48 | m_textArea.setEnabled(true); |
| 49 | m_textArea.setEditable(false); |
| 50 | m_textArea.setFont(new Font("Monospaced", 0, 12)); |
| 51 | setAutoscrolls(true); |
| 52 | } |
| 53 | |
| 54 | public void setText(String s) |
| 55 | { |
| 56 | m_textArea.setText(s); |
| 57 | } |
| 58 | |
| 59 | public void addText(String text) |
| 60 | { |
| 61 | m_textArea.append(text); |
| 62 | if (m_textArea.isDisplayable()) |
| 63 | { |
| 64 | try |
| 65 | { |
| 66 | m_textArea.setCaretPosition(Integer.MAX_VALUE); // Scroll to end of window |
| 67 | } |
| 68 | catch (Exception e) |
| 69 | { |
| 70 | // Just for safety |
| 71 | } |
| 72 | } |
| 73 | validate(); |
| 74 | JScrollBar sb = getVerticalScrollBar(); |
| 75 | if ((sb != null) && (sb.isVisible())) |
| 76 | { |
| 77 | sb.setValue(Integer.MAX_VALUE); |
| 78 | } |
| 79 | } |
| 80 | } |