js/systemConfig.js

   1 (function () {
   2
   3      var identityDecoder = function (src) {
   4          return src;
   5      };
   6
   7      var identityEncoder = function (src) {
   8          return src;
   9      };
  10
  11      var mapDecoder = function (src) {
  12          var map   = {};
  13          var lines = src.split(/\n/);
  14
  15          $.each(lines, function () {
  16                     var m = this.match(/^(\S+)\s+(\S+)$/);
  17
  18                     map[ m[1] ] = m[2];
  19                 });
  20
  21          return map;
  22      };
  23
  24      var mapEncoder = function (map) {
  25          var lines = [];
  26
  27          $.each(map, function (key) {
  28                     lines.push(key + " " + this);
  29                 });
  30
  31          return lines.join("\n");
  32      };
  33
  34      var boolDecoder = function (src) {
  35          return src == "*";
  36      };
  37
  38      var boolEncoder = function (bool) {
  39          return bool ? "*" : "";
  40      };
  41
  42      var decoder_of = {
  43          siteName   : identityDecoder,
  44          baseURI    : identityDecoder,
  45          defaultPage: identityDecoder,
  46          styleSheet : identityDecoder,
  47          languages  : mapDecoder,
  48          globalLock : boolDecoder
  49      };
  50
  51      var encoder_of = {
  52          siteName   : identityEncoder,
  53          baseURI    : identityEncoder,
  54          defaultPage: identityEncoder,
  55          styleSheet : identityEncoder,
  56          languages  : mapEncoder,
  57          globalLock : boolEncoder
  58      };
  59
  60      var cachedConf = null;
  61
  62     Rakka.getSystemConfig = function () {
  63         if (cachedConf != null) {
  64             return cachedConf;
  65         }
  66
  67         var conf = {};
  68         cachedConf = conf;
  69
  70         $.ajax({
  71             type   : "GET",
  72             url    : Rakka.baseURI + "systemConfig",
  73             async  : false,
  74             success: function (xml) {
  75                 $(xml).find("value").each(function () {
  76                     var path    = this.getAttribute("path");
  77                     var decoder = decoder_of[path];
  78
  79                     if (decoder == null) {
  80                         throw new Error("unknown config path: " + path);
  81                     }
  82                     else {
  83                         conf[path] = decoder($(this).text());
  84                     }
  85                 });
  86             },
  87             error  : function (req) {
  88                 throw new Error(req.status + " " + req.statusText);
  89             }
  90         });
  91
  92         return conf;
  93     };
  94
  95      Rakka.showConfigPanel = function () {
  96          var conf  = Rakka.getSystemConfig();
  97          var $area = Rakka.switchScreen();
  98
  99          $area.append($.H1({}, "Configuration"));
 100
 101          var fldSiteName
 102              = $.INPUT({type: "text", value: conf.siteName});
 103
 104          var fldBaseURI
 105              = $.INPUT({type: "text", value: conf.baseURI});
 106
 107          var fldDefaultPage
 108              = $.INPUT({type: "text", value: conf.defaultPage});
 109
 110          var fldStyleSheet
 111              = $.INPUT({type: "text", value: conf.styleSheet});
 112
 113          var fldLanguages
 114              = $.TEXTAREA({value: encoder_of.languages(conf.languages)});
 115
 116          var chkGlobalLock
 117              = $.INPUT({type: "checkbox", checked: conf.globalLock});
 118
 119          var btnSave
 120              = $.INPUT({type: "button", value: "Save"});
 121
 122          var btnCancel
 123              = $.INPUT({type: "button", value: "Cancel"});
 124
 125          var configPanel
 126              = $.TABLE({className: "pageEditor"},
 127                        $.TBODY({},
 128                                $.TR({},
 129                                     $.TH({}, "Site name"),
 130                                     $.TD({}, fldSiteName)
 131                                    ),
 132                                $.TR({},
 133                                     $.TH({}, "Base URI"),
 134                                     $.TD({}, fldBaseURI)
 135                                    ),
 136                                $.TR({},
 137                                     $.TH({}, "Default page"),
 138                                     $.TD({}, fldDefaultPage)
 139                                    ),
 140                                $.TR({},
 141                                     $.TH({}, "Style sheet"),
 142                                     $.TD({}, fldStyleSheet)
 143                                    ),
 144                                $.TR({},
 145                                     $.TH({}, "Languages"),
 146                                     $.TD({}, fldLanguages)
 147                                    ),
 148                                $.TR({},
 149                                     $.TH({}, "Global lock"),
 150                                     $.TD({},
 151                                          $.LABEL({},
 152                                                  chkGlobalLock,
 153                                                  "Disallow guest users to edit pages."))
 154                                    ),
 155                                $.TR({},
 156                                     $.TH({}),
 157                                     $.TD({}, btnSave, btnCancel)
 158                                    )
 159                               )
 160                       );
 161
 162          $area.append(configPanel);
 163      };
 164
 165     $(document).ready(function () {
 166         $("input.configButton")
 167             .click(function () {
 168                        Rakka.showConfigPanel();
 169                    });
 170     });
 171
 172 })();