src/main/java/irc/gui/pixx/AWTChanList.java

   1 /*****************************************************/\r
   2 /*          This java file is a part of the          */\r
   3 /*                                                   */\r
   4 /*           -  Plouf's Java IRC Client  -           */\r
   5 /*                                                   */\r
   6 /*   Copyright (C)  2002 - 2004 Philippe Detournay   */\r
   7 /*                                                   */\r
   8 /*         All contacts : theplouf@yahoo.com         */\r
   9 /*                                                   */\r
  10 /*  PJIRC is free software; you can redistribute     */\r
  11 /*  it and/or modify it under the terms of the GNU   */\r
  12 /*  General Public License as published by the       */\r
  13 /*  Free Software Foundation; version 2 or later of  */\r
  14 /*  the License.                                     */\r
  15 /*                                                   */\r
  16 /*  PJIRC is distributed in the hope that it will    */\r
  17 /*  be useful, but WITHOUT ANY WARRANTY; without     */\r
  18 /*  even the implied warranty of MERCHANTABILITY or  */\r
  19 /*  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU   */\r
  20 /*  General Public License for more details.         */\r
  21 /*                                                   */\r
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  23 /*  General Public License along with PJIRC; if      */\r
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  26 /*  MA  02111-1307  USA                              */\r
  27 /*                                                   */\r
  28 /*****************************************************/\r
  29 \r
  30 package irc.gui.pixx;\r
  31 \r
  32 import irc.ChanList;\r
  33 import irc.ChanListListener;\r
  34 import irc.ChannelInfo;\r
  35 import irc.style.StyledList;\r
  36 \r
  37 import java.awt.BorderLayout;\r
  38 \r
  39 /**\r
  40  * The AWT channel list.\r
  41  */\r
  42 public class AWTChanList extends BaseAWTSource implements ChanListListener {\r
  43         /**\r
  44          * Horizontal scrollbar.\r
  45          */\r
  46         protected PixxHorizontalScrollBar _hscroll;\r
  47 \r
  48         /**\r
  49          * Create a new AWTChanList.\r
  50          * \r
  51          * @param config\r
  52          *          the global irc configuration.\r
  53          * @param list\r
  54          *          the source channel list.\r
  55          */\r
  56         public AWTChanList(PixxConfiguration config, ChanList list) {\r
  57                 super(config, list, true);\r
  58 \r
  59                 list.addChanListListener(this);\r
  60 \r
  61                 _hscroll = new PixxHorizontalScrollBar(_pixxConfiguration, 0, 0, 0.1);\r
  62                 _hscroll.addPixxScrollBarListener(this);\r
  63 \r
  64                 _list.setWrap(false);\r
  65 \r
  66                 remove(_textField);\r
  67                 add(_hscroll, BorderLayout.SOUTH);\r
  68 \r
  69                 setTitle(getText(PixxTextProvider.SOURCE_CHANLIST, getChanList().getName()));\r
  70                 _list.clear(1024);\r
  71         }\r
  72 \r
  73         @Override\r
  74         public void release() {\r
  75                 ((ChanList) _source).removeChanListListeners(this);\r
  76                 _hscroll.removePixxScrollBarListener(this);\r
  77                 _hscroll.release();\r
  78                 _hscroll = null;\r
  79                 super.release();\r
  80         }\r
  81 \r
  82         @Override\r
  83         public String getShortTitle() {\r
  84                 return getText(PixxTextProvider.GUI_CHANNELS);\r
  85         }\r
  86 \r
  87         @Override\r
  88         public void setFieldText(String txt) {\r
  89         }\r
  90 \r
  91         @Override\r
  92         public String getFieldText() {\r
  93                 return "";\r
  94         }\r
  95 \r
  96         @Override\r
  97         public void validateText() {\r
  98         }\r
  99 \r
 100         /**\r
 101          * Get the source chanlist.\r
 102          * \r
 103          * @return source chanlist.\r
 104          */\r
 105         public ChanList getChanList() {\r
 106                 return (ChanList) getSource();\r
 107         }\r
 108 \r
 109         @Override\r
 110         public void channelBegin(ChanList list) {\r
 111                 clear(getSource());\r
 112                 print(_pixxConfiguration.getText(PixxTextProvider.SOURCE_CHANLIST_RETREIVING));\r
 113                 _list.setFirst(0);\r
 114         }\r
 115 \r
 116         private void sort(ChannelInfo[] info, int begin, int end, int deep) {\r
 117                 if (deep < 50) {\r
 118                         if (begin < end) {\r
 119                                 ChannelInfo tmp;\r
 120 \r
 121                                 int f = (begin + end) / 2;\r
 122                                 tmp = info[f];\r
 123                                 info[f] = info[begin];\r
 124                                 info[begin] = tmp;\r
 125 \r
 126                                 int p_pos = begin;\r
 127                                 ChannelInfo pivot = info[p_pos];\r
 128                                 for (int i = begin; i <= end; i++) {\r
 129                                         if (info[i].userCount > pivot.userCount) {\r
 130                                                 p_pos++;\r
 131                                                 tmp = info[p_pos];\r
 132                                                 info[p_pos] = info[i];\r
 133                                                 info[i] = tmp;\r
 134                                         }\r
 135                                 }\r
 136                                 tmp = info[p_pos];\r
 137                                 info[p_pos] = info[begin];\r
 138                                 info[begin] = tmp;\r
 139 \r
 140                                 sort(info, begin, p_pos - 1, deep + 1);\r
 141                                 sort(info, p_pos + 1, end, deep + 1);\r
 142                         }\r
 143                 } else {\r
 144                         for (int i = begin; i <= end; i++) {\r
 145                                 ChannelInfo little = info[i];\r
 146                                 int littleindex = i;\r
 147                                 int littleuser = little.userCount;\r
 148                                 for (int j = i + 1; j <= end; j++) {\r
 149                                         if (info[j].userCount > littleuser) {\r
 150                                                 little = info[j];\r
 151                                                 littleindex = j;\r
 152                                                 littleuser = little.userCount;\r
 153                                         }\r
 154                                 }\r
 155 \r
 156                                 ChannelInfo tmp = info[i];\r
 157                                 info[i] = info[littleindex];\r
 158                                 info[littleindex] = tmp;\r
 159                         }\r
 160                 }\r
 161         }\r
 162 \r
 163         private void sort(ChannelInfo[] info) {\r
 164                 sort(info, 0, info.length - 1, 0);\r
 165         }\r
 166 \r
 167         @Override\r
 168         public void channelEnd(ChanList list) {\r
 169                 ChannelInfo[] info = getChanList().getChannels();\r
 170                 sort(info);\r
 171                 int count = info.length;\r
 172                 if (count > 1024)\r
 173                         count = 1024;\r
 174                 String[] lines = new String[count];\r
 175                 for (int i = 0; i < count; i++)\r
 176                         lines[i] = format(info[i]);\r
 177 \r
 178                 clear(getSource());\r
 179                 _list.addLines(lines);\r
 180                 _list.setFirst(0);\r
 181                 _scroll.setMaximum(_list.getLineCount() - 1);\r
 182                 _scroll.setValue(_list.getLast());\r
 183                 _hscroll.setMaximum(_list.getLogicalWidth() / 10);\r
 184         }\r
 185 \r
 186         private String format(ChannelInfo item) {\r
 187                 String msg = item.name;\r
 188                 String count = "" + item.userCount;\r
 189                 for (int i = 0; i < 20 - item.name.length(); i++)\r
 190                         msg += " ";\r
 191                 msg += "   " + item.userCount;\r
 192                 for (int i = 0; i < 5 - count.length(); i++)\r
 193                         msg += " ";\r
 194                 msg += "   " + item.topic;\r
 195                 return msg;\r
 196         }\r
 197 \r
 198         @Override\r
 199         public void channelAdded(ChannelInfo item, ChanList list) {\r
 200                 int count = getChanList().getChannelCount();\r
 201                 int total = getChanList().getIgnoredChannelCount() + count;\r
 202                 if (total % 100 == 0) {\r
 203                         clear(getSource());\r
 204                         print(_pixxConfiguration.getText(PixxTextProvider.SOURCE_CHANLIST_RETREIVING) + " (" + count + "/" + total + ")");\r
 205                         _list.setFirst(0);\r
 206                 }\r
 207         }\r
 208 \r
 209         @Override\r
 210         public void valueChanged(PixxScrollBar pixScrollBar) {\r
 211                 if (pixScrollBar == _hscroll)\r
 212                         _list.setLeft(_hscroll.getValue() * 10);\r
 213                 else\r
 214                         super.valueChanged(pixScrollBar);\r
 215         }\r
 216 \r
 217         @Override\r
 218         public void virtualSizeChanged(StyledList lis) {\r
 219                 _hscroll.setMaximum(_list.getLogicalWidth() / 10);\r
 220                 super.virtualSizeChanged(lis);\r
 221         }\r
 222 }\r