LogTable xref

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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  package org.apache.log4j.lf5.viewer;
    18
    19  import java.awt.Font;
    20  import java.awt.FontMetrics;
    21  import java.awt.Graphics;
    22  import java.util.Enumeration;
    23  import java.util.Iterator;
    24  import java.util.List;
    25  import java.util.Vector;
    26
    27  import javax.swing.JTable;
    28  import javax.swing.JTextArea;
    29  import javax.swing.ListSelectionModel;
    30  import javax.swing.event.ListSelectionEvent;
    31  import javax.swing.event.ListSelectionListener;
    32  import javax.swing.table.TableColumn;
    33  import javax.swing.table.TableColumnModel;
    34
    35  import org.apache.log4j.lf5.util.DateFormatManager;
    36
    37  /**
    38   * LogTable.
    39   *
    40   * @author Michael J. Sikorsky
    41   * @author Robert Shaw
    42   * @author Brad Marlborough
    43   * @author Brent Sprecher
    44   */
    45
    46  // Contributed by ThoughtWorks Inc.
    47
    48  public class LogTable extends JTable {
    49    private static final long serialVersionUID = 4867085140195148458L;
    50    //--------------------------------------------------------------------------
    51    //   Constants:
    52    //--------------------------------------------------------------------------
    53
    54    //--------------------------------------------------------------------------
    55    //   Protected Variables:
    56    //--------------------------------------------------------------------------
    57    protected int _rowHeight = 30;
    58    protected JTextArea _detailTextArea;
    59
    60    // For the columns:
    61    protected int _numCols = 9;
    62    protected TableColumn[] _tableColumns = new TableColumn[_numCols];
    63    protected int[] _colWidths = {40, 40, 40, 70, 70, 360, 440, 200, 60};
    64    protected LogTableColumn[] _colNames = LogTableColumn.getLogTableColumnArray();
    65    protected int _colDate = 0;
    66    protected int _colThread = 1;
    67    protected int _colMessageNum = 2;
    68    protected int _colLevel = 3;
    69    protected int _colNDC = 4;
    70    protected int _colCategory = 5;
    71    protected int _colMessage = 6;
    72    protected int _colLocation = 7;
    73    protected int _colThrown = 8;
    74
    75    protected DateFormatManager _dateFormatManager = null;
    76
    77    //--------------------------------------------------------------------------
    78    //   Private Variables:
    79    //--------------------------------------------------------------------------
    80
    81    //--------------------------------------------------------------------------
    82    //   Constructors:
    83    //--------------------------------------------------------------------------
    84
    85    public LogTable(JTextArea detailTextArea) {
    86      super();
    87
    88      init();
    89
    90      _detailTextArea = detailTextArea;
    91
    92      setModel(new FilteredLogTableModel());
    93
    94      Enumeration columns = getColumnModel().getColumns();
    95      int i = 0;
    96      while (columns.hasMoreElements()) {
    97        TableColumn col = (TableColumn) columns.nextElement();
    98        col.setCellRenderer(new LogTableRowRenderer());
    99        col.setPreferredWidth(_colWidths[i]);
    100
    101       _tableColumns[i] = col;
    102       i++;
    103     }
    104
    105     ListSelectionModel rowSM = getSelectionModel();
    106     rowSM.addListSelectionListener(new LogTableListSelectionListener(this));
    107
    108     //setAutoResizeMode(JTable.AUTO_RESIZE_ALL_COLUMNS);
    109   }
    110
    111   //--------------------------------------------------------------------------
    112   //   Public Methods:
    113   //--------------------------------------------------------------------------
    114
    115   /**
    116    * Get the DateFormatManager for formatting dates.
    117    */
    118   public DateFormatManager getDateFormatManager() {
    119     return _dateFormatManager;
    120   }
    121
    122   /**
    123    * Set the date format manager for formatting dates.
    124    */
    125   public void setDateFormatManager(DateFormatManager dfm) {
    126     _dateFormatManager = dfm;
    127   }
    128
    129   public synchronized void clearLogRecords() {
    130     //For JDK1.3
    131     //((DefaultTableModel)getModel()).setRowCount(0);
    132
    133     // For JDK1.2.x
    134     getFilteredLogTableModel().clear();
    135   }
    136
    137   public FilteredLogTableModel getFilteredLogTableModel() {
    138     return (FilteredLogTableModel) getModel();
    139   }
    140
    141   // default view if a view is not set and saved
    142   public void setDetailedView() {
    143     //TODO: Defineable Views.
    144     TableColumnModel model = getColumnModel();
    145     // Remove all the columns:
    146     for (int f = 0; f < _numCols; f++) {
    147       model.removeColumn(_tableColumns[f]);
    148     }
    149     // Add them back in the correct order:
    150     for (int i = 0; i < _numCols; i++) {
    151       model.addColumn(_tableColumns[i]);
    152     }
    153     //SWING BUG:
    154     sizeColumnsToFit(-1);
    155   }
    156
    157   public void setView(List columns) {
    158     TableColumnModel model = getColumnModel();
    159
    160     // Remove all the columns:
    161     for (int f = 0; f < _numCols; f++) {
    162       model.removeColumn(_tableColumns[f]);
    163     }
    164     Iterator selectedColumns = columns.iterator();
    165     Vector columnNameAndNumber = getColumnNameAndNumber();
    166     while (selectedColumns.hasNext()) {
    167       // add the column to the view
    168       model.addColumn(_tableColumns[columnNameAndNumber.indexOf(selectedColumns.next())]);
    169     }
    170
    171     //SWING BUG:
    172     sizeColumnsToFit(-1);
    173   }
    174
    175   public void setFont(Font font) {
    176     super.setFont(font);
    177     Graphics g = this.getGraphics();
    178     if (g != null) {
    179       FontMetrics fm = g.getFontMetrics(font);
    180       int height = fm.getHeight();
    181       _rowHeight = height + height / 3;
    182       setRowHeight(_rowHeight);
    183     }
    184
    185
    186   }
    187
    188
    189   //--------------------------------------------------------------------------
    190   //   Protected Methods:
    191   //--------------------------------------------------------------------------
    192
    193   protected void init() {
    194     setRowHeight(_rowHeight);
    195     setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    196   }
    197
    198   // assign a column number to a column name
    199   protected Vector getColumnNameAndNumber() {
    200     Vector columnNameAndNumber = new Vector();
    201     for (int i = 0; i < _colNames.length; i++) {
    202       columnNameAndNumber.add(i, _colNames[i]);
    203     }
    204     return columnNameAndNumber;
    205   }
    206
    207   //--------------------------------------------------------------------------
    208   //   Private Methods:
    209   //--------------------------------------------------------------------------
    210
    211   //--------------------------------------------------------------------------
    212   //   Nested Top-Level Classes or Interfaces:
    213   //--------------------------------------------------------------------------
    214
    215   class LogTableListSelectionListener implements ListSelectionListener {
    216     protected JTable _table;
    217
    218     public LogTableListSelectionListener(JTable table) {
    219       _table = table;
    220     }
    221
    222     public void valueChanged(ListSelectionEvent e) {
    223       //Ignore extra messages.
    224       if (e.getValueIsAdjusting()) {
    225         return;
    226       }
    227
    228       ListSelectionModel lsm = (ListSelectionModel) e.getSource();
    229       if (lsm.isSelectionEmpty()) {
    230         //no rows are selected
    231       } else {
    232         StringBuffer buf = new StringBuffer();
    233         int selectedRow = lsm.getMinSelectionIndex();
    234
    235         for (int i = 0; i < _numCols - 1; i++) {
    236           String value = "";
    237           Object obj = _table.getModel().getValueAt(selectedRow, i);
    238           if (obj != null) {
    239             value = obj.toString();
    240           }
    241
    242           buf.append(_colNames[i] + ":");
    243           buf.append("\t");
    244
    245           if (i == _colThread || i == _colMessage || i == _colLevel) {
    246             buf.append("\t"); // pad out the date.
    247           }
    248
    249           if (i == _colDate || i == _colNDC) {
    250             buf.append("\t\t"); // pad out the date.
    251           }
    252
    253 //               if( i == _colSequence)
    254 //               {
    255 //                  buf.append("\t\t\t"); // pad out the Sequnce.
    256 //               }
    257
    258           buf.append(value);
    259           buf.append("\n");
    260         }
    261         buf.append(_colNames[_numCols - 1] + ":\n");
    262         Object obj = _table.getModel().getValueAt(selectedRow, _numCols - 1);
    263         if (obj != null) {
    264           buf.append(obj.toString());
    265         }
    266
    267         _detailTextArea.setText(buf.toString());
    268       }
    269     }
    270   }
    271 }
    272
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