1 | /**
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2 | *#########################################################################
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3 | *
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4 | * A component of the Gatherer application, part of the Greenstone digital
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5 | * library suite from the New Zealand Digital Library Project at the
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6 | * University of Waikato, New Zealand.
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7 | *
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8 | * <BR><BR>
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9 | *
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10 | * Author: Chi-Yu Huang, Greenstone Digital Library, University of Waikato
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11 | * Modified: 03.2005
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12 | *
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13 | * <BR><BR>
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14 | *
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15 | * Copyright (C) 1999 New Zealand Digital Library Project
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16 | *
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17 | * <BR><BR>
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18 | *
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19 | * This program is free software; you can redistribute it and/or modify
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20 | * it under the terms of the GNU General Public License as published by
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21 | * the Free Software Foundation; either version 2 of the License, or
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22 | * (at your option) any later version.
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23 | *
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24 | * <BR><BR>
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25 | *
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26 | * This program is distributed in the hope that it will be useful,
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27 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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28 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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29 | * GNU General Public License for more details.
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30 | *
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31 | * <BR><BR>
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32 | *
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33 | * You should have received a copy of the GNU General Public License
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34 | * along with this program; if not, write to the Free Software
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35 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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36 | *########################################################################
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37 | */
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38 | package org.greenstone.admin.gui;
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39 |
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40 | import java.awt.*;
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41 | import java.awt.event.*;
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42 | import java.io.*;
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43 | import java.util.*;
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44 | import javax.swing.*;
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45 | import javax.swing.event.*;
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46 | import javax.swing.tree.*;
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47 |
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48 | import org.greenstone.admin.GAIManager;
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49 | import org.greenstone.admin.GAI;
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50 | import org.greenstone.core.Configuration;
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51 | import org.greenstone.core.Dictionary;
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52 | import org.greenstone.core.util.Utility;
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53 |
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54 | /** The Log pane is to view the status of relevant log files in GSIII
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55 | * @author Chi-Yu Huang, Greenstone Digital Library, University of Waikato
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56 | * @version
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57 | */
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58 | public class LogPane
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59 | extends JPanel
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60 | implements ActionListener {
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61 |
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62 | /* The pane to demonstrate log information, including the log files being
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63 | *monitored and their content*/
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64 | protected JSplitPane main_log_pane = null;
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65 |
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66 | /** The panel that contains a log_list */
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67 | private JPanel logList_pane = null;
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68 |
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69 | /** The panel that contains the log content. */
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70 | private JPanel logContent_pane = null;
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71 |
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72 | /** The List showing all the log files concerned. */
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73 | private JList log_list=null;
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74 |
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75 | /** The scrollable area into which the log content is placed. */
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76 | private JScrollPane log_content = null;
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77 |
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78 | /** The label at the top of the logList_pane. */
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79 | private JLabel logList_label = null;
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80 |
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81 | /** The label shown at the top of the logContent Pane. */
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82 | private JLabel logContent_label = null;
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83 |
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84 | /* Log TEXT AREA*/
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85 | private JTextArea log_textarea = null;
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86 |
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87 | // The control buttons used to manipulate log Pane
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88 | protected JPanel button_pane = null;
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89 |
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90 | /** Buttons */
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91 | private JButton reload_button = null;
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92 | private JButton clear_button = null;
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93 |
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94 | /*The pane which contains the controls for log files */
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95 | private JPanel control_pane = null;
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96 |
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97 | private File log_file = null;
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98 |
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99 | /** The various sizes for the screen layout*/
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100 | static private Dimension MIN_SIZE = new Dimension( 90, 90);
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101 | static private Dimension LIST_SIZE = new Dimension(200, 450);
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102 | static private Dimension LOGPANE_SIZE = new Dimension (800,450);
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103 |
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104 | //Constructor
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105 | public LogPane() {
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106 |
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107 | // create all the necessary panes
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108 | control_pane = new JPanel();
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109 | button_pane = new JPanel();
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110 |
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111 | // Log_Pane
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112 | main_log_pane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
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113 | main_log_pane.setPreferredSize(LOGPANE_SIZE);
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114 | //log_pane.setSize(LOGPANE_SIZE);
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115 |
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116 | // Log_list
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117 | String[] log_files = { "Tomcat log file", "Log file 2", "Log file 3"};
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118 | log_list = new JList(log_files);
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119 | log_list.setBorder(BorderFactory.createLoweredBevelBorder());
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120 | log_list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
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121 | log_list.setVisibleRowCount(4);
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122 | log_list.setBackground (Configuration.getColor("coloring.workspace_tree_background", false));
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123 | log_list.setForeground (Configuration.getColor("coloring.workspace_tree_foreground", false));
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124 | log_list.addListSelectionListener(new LogListListener());
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125 |
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126 | // Log_TextArea
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127 | log_textarea = new JTextArea();
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128 | log_textarea.setEditable(false);
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129 |
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130 | // Buttons
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131 | ReloadButtonListener rbl = new ReloadButtonListener();
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132 | ClearButtonListener dbl = new ClearButtonListener();
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133 | ImageIcon reloadButtonIcon = new ImageIcon(GAI.images_path + "toolbarButtonGraphics/general/Refresh16.gif");
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134 | ImageIcon clearButtonIcon = new ImageIcon(GAI.images_path + "toolbarButtonGraphics/general/Delete16.gif");
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135 |
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136 | //reload_button = new JButton("Reload", reloadButtonIcon);
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137 | reload_button = new JButton();
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138 | reload_button.addActionListener(rbl);
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139 | reload_button.setEnabled(false);
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140 | reload_button.setMnemonic(KeyEvent.VK_R);
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141 | Dictionary.registerBoth(reload_button, "LogPane.Reload_Log", "LogPane.Reload_Log_Tooltip");
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142 |
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143 | clear_button = new JButton();
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144 | clear_button.addActionListener(dbl);
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145 | clear_button.setEnabled(false);
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146 | clear_button.setMnemonic(KeyEvent.VK_C);
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147 | Dictionary.registerBoth(clear_button, "LogPane.Clear_Log", "LogPane.Clear_Log_Tooltip");
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148 |
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149 | rbl = null;
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150 | dbl = null;
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151 | }
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152 |
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153 | /** Any implementation of ActionListener requires this method so that when an
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154 | **action is performed the appropriate effect can occur.*/
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155 |
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156 | public void actionPerformed(ActionEvent event) {
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157 | }
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158 |
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159 |
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160 | /** This method is callsed to actually layout the components.*/
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161 | public void display() {
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162 | // Create Components.
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163 | //KeyListenerImpl key_listener = new KeyListenerImpl();
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164 | //MouseListenerImpl mouse_listener = new MouseListenerImpl();
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165 | //this.addKeyListener(key_listener);
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166 |
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167 | // logList_Pane
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168 | logList_pane = new JPanel();
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169 | logList_pane.setBorder(BorderFactory.createLoweredBevelBorder());
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170 | logList_label = new JLabel();
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171 | logList_label.setOpaque(true);
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172 | logList_label.setBackground(Configuration.getColor("coloring.workspace_heading_background", false));
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173 | logList_label.setForeground(Configuration.getColor("coloring.workspace_heading_foreground", false));
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174 | Dictionary.registerText(logList_label, "LogPane.Log_List");
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175 |
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176 | // logContent_Pane
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177 | logContent_pane = new JPanel();
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178 | logContent_pane.setBorder(BorderFactory.createLoweredBevelBorder());
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179 | logContent_pane.setBackground(Configuration.getColor("coloring.workspace_selection_background", false));
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180 | logContent_pane.setForeground(Configuration.getColor("coloring.workspace_selection_foreground", false));
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181 | logContent_label = new JLabel();
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182 | logContent_label.setOpaque(true);
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183 | logContent_label.setBackground(Configuration.getColor("coloring.workspace_selection_background", false));
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184 | logContent_label.setForeground(Configuration.getColor("coloring.workspace_selection_foreground", false));
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185 | Dictionary.registerText(logContent_label, "LogPane.Log_Content");
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186 |
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187 | // TEXTAREA Layout
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188 | log_content = new JScrollPane(log_textarea);
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189 |
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190 | // Button Layout
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191 | button_pane.setLayout (new GridLayout(1,3));
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192 | button_pane.add(reload_button);
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193 | button_pane.add(clear_button);
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194 |
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195 | control_pane.setLayout (new BorderLayout());
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196 | //control_pane.setBorder(BorderFactory.createLoweredBevelBorder());
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197 | control_pane.setBorder(BorderFactory.createEmptyBorder(05,10,5,10));
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198 | control_pane.setPreferredSize(new Dimension(50,50));
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199 | control_pane.setSize(new Dimension(50,50));
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200 | control_pane.add (button_pane, BorderLayout.CENTER);
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201 |
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202 | // Layout Components
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203 | logList_pane.setLayout(new BorderLayout());
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204 | logList_pane.add(log_list, BorderLayout.CENTER);
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205 | logList_pane.add(logList_label, BorderLayout.NORTH);
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206 |
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207 | logContent_pane.setLayout(new BorderLayout());
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208 | logContent_pane.add(log_content,BorderLayout.CENTER);
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209 | logContent_pane.add(logContent_label, BorderLayout.NORTH);
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210 | logContent_pane.add(control_pane, BorderLayout.SOUTH);
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211 |
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212 | main_log_pane.add(logList_pane, JSplitPane.LEFT);
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213 | main_log_pane.add(logContent_pane, JSplitPane.RIGHT);
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214 | main_log_pane.setDividerLocation(LIST_SIZE.width - 10);
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215 |
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216 | this.setLayout(new BorderLayout());
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217 | this.add(main_log_pane, BorderLayout.CENTER);
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218 | //this.add(control_pane, BorderLayout.SOUTH);
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219 | }
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220 |
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221 | /** Called whenever this pane gains focus, this method ensures that the various
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222 | **tree renderers are correctly colouring the tree (as these settings sometimes get lost).
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223 | * @param event A <strong>FocusEvent</strong> containing details about the focus action performed.
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224 | */
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225 | /*public void focusGained(FocusEvent event) {
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226 | DefaultTreeCellRenderer def = new DefaultTreeCellRenderer();
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227 | DefaultTreeCellRenderer w = (DefaultTreeCellRenderer)workspace_tree.getCellRenderer();
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228 | DefaultTreeCellRenderer c = (DefaultTreeCellRenderer)collection_tree.getCellRenderer();
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229 | if(event.getSource() == workspace_tree) {
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230 | w.setBackgroundSelectionColor(def.getBackgroundSelectionColor());
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231 | c.setBackgroundSelectionColor(Color.lightGray);
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232 | }
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233 | else if(event.getSource() == collection_tree) {
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234 | c.setBackgroundSelectionColor(def.getBackgroundSelectionColor());
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235 | w.setBackgroundSelectionColor(Color.lightGray);
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236 | }
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237 | repaint();
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238 | }*/
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239 |
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240 | /** Implementation side-effect, not used in any way.
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241 | * @param event A <strong>FocusEvent</strong> containing details about the focus action performed.
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242 | */
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243 | /*public void focusLost(FocusEvent event) {
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244 | }*/
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245 |
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246 | /** Called to inform this control panel that it has just gained focus as an effect of the user clicking on its tab.
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247 | */
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248 | public void gainFocus() {
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249 | // Update the meta-audit view to show the current selection, if any.
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250 | //Gatherer.g_man.meta_audit.setRecords(getCollectionTreeSelection());
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251 | }
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252 |
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253 | /** Called whenever the detail mode changes to ensure the filters are at an appropriate
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254 | **level (ie only editable by those that understand regular expression matching)
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255 | * @param mode the mode level as an int
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256 | */
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257 | /* public void modeChanged(int mode) {
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258 | collection_filter.setEditable(mode > Configuration.LIBRARIAN_MODE);
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259 | workspace_filter.setEditable(mode > Configuration.LIBRARIAN_MODE);
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260 | }*/
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261 |
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262 | private class KeyListenerImpl
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263 | extends KeyAdapter {
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264 | private boolean vk_left_pressed = false;
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265 | public void keyReleased(KeyEvent event) {
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266 | }
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267 | // we need to watch for left clicks on an unopened folder - should shift the focus to the
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268 | //parent folder. But because there is some other mysterious key listener that does opening and
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269 | //closing folders on right and left clicks, we must detect the situation before the other handler
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270 | //has done its job, and process it after.*/
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271 | public void keyPressed(KeyEvent event) {
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272 | if (event.getKeyCode() == KeyEvent.VK_LEFT) {
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273 |
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274 | }
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275 | }
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276 | }
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277 |
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278 | /** This class listens for mouse clicks and responds right mouse button clicks (popup menu)., left
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279 | ** mouse button:log file selected */
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280 | private class MouseListenerImpl
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281 | extends MouseAdapter {
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282 | /* Any subclass of MouseAdapter can override this method to respond to mouse click events.
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283 | *In this case we want to open a pop-up menu if we detect a right mouse click over one of our
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284 | *registered components, and start an external application if someone double clicks on a certain
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285 | *file record. */
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286 | public void mouseReleased(MouseEvent e) {}
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287 | public void mouseExited(MouseEvent e) {}
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288 | public void mousePressed(MouseEvent e) {}
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289 | public void mouseEntered(MouseEvent e) {}
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290 |
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291 | }
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292 |
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293 | /** This class serves as the listener for actions on the build button. */
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294 | private class ReloadButtonListener
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295 | implements ActionListener {
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296 | /** As the log files could be modified in the runtime environment
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297 | * This button is to reload the log file whenever user want to */
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298 | public void actionPerformed(ActionEvent event) {
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299 | // Remember that for lower thresholds the above doesn't work, so try this instead
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300 | reload_button.setEnabled(true);
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301 | clear_button.setEnabled(true);
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302 | updateLogsContent(log_file.getPath());
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303 | }
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304 | }
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305 |
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306 | private class ClearButtonListener
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307 | implements ActionListener {
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308 | public void actionPerformed(ActionEvent event) {
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309 | if (!log_file.exists()){
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310 | JOptionPane.showMessageDialog((Component) null,log_file.getPath() + " log file does not exist");
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311 | return;
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312 | } else {
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313 | ClearLogFilePrompt cfp = new ClearLogFilePrompt();
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314 | boolean file_cleared = cfp.display(log_file);
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315 | if (file_cleared) {
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316 | log_textarea.setText("");
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317 | }
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318 | }
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319 | clear_button.setEnabled(false);
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320 | }
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321 | }
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322 |
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323 | public void updateLogsContent(String filename){
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324 | if (!log_file.exists()){
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325 | log_textarea.setText("");
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326 | JOptionPane.showMessageDialog((Component) null, filename+" log file does not exist");
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327 | clear_button.setEnabled(false);
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328 | } else {
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329 | readFile(filename);
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330 | }
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331 | }
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332 |
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333 | public void readFile (String filename) {
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334 | log_textarea.setText("");
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335 | String fileLine;
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336 | try {
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337 | BufferedReader in = new BufferedReader(new FileReader(filename));
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338 | while ((fileLine = in.readLine()) != null) {
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339 | log_textarea.append(fileLine);
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340 | log_textarea.append("\n");
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341 | }
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342 | } catch (Exception e) {
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343 | e.printStackTrace();
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344 | }
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345 | }
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346 |
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347 | private class LogListListener implements ListSelectionListener {
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348 | public void valueChanged (ListSelectionEvent e){
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349 | if (e.getValueIsAdjusting() == false){
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350 | if (log_list.getSelectedIndex() == -1){
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351 | //no selection
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352 | } else if (log_list.getSelectedIndex () == 0 ) {
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353 | log_file = new File (GAI.tomcat_file_path+"catalina.out");
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354 | String filename = log_file.getPath();
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355 | updateLogsContent(filename);
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356 | reload_button.setEnabled(true);
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357 | clear_button.setEnabled(true);
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358 | } else if (log_list.getSelectedIndex () == 1) {
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359 | log_textarea.setText("");
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360 | JOptionPane.showMessageDialog((Component) null,"This file has not been defined yet");
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361 | clear_button.setEnabled(false);
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362 | reload_button.setEnabled(false);
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363 | } else if (log_list.getSelectedIndex () == 2) {
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364 | log_textarea.setText("");
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365 | JOptionPane.showMessageDialog((Component) null,"This file has not been defined yet");
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366 | clear_button.setEnabled(false);
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367 | reload_button.setEnabled(false);
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368 | }
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369 | }
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370 | }
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371 | }
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372 | public void modeChanged (int mode){
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373 | return;
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374 | }
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375 | public void afterDisplay() {
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376 | return;
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377 | }
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378 | }
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