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          $.each(map, function (key) {
  28                     lines.push(key + " " + this);
  29                 });
  30
  31          return lines.join("\n");
  32      };
  33
  34      var boolDecoder = function (src) {
  35          return src == "*";
  36      };
  37
  38      var boolEncoder = function (bool) {
  39          return bool ? "*" : "";
  40      };
  41
  42      var decoder_of = {
  43          siteName   : identityDecoder,
  44          baseURI    : identityDecoder,
  45          defaultPage: identityDecoder,
  46          styleSheet : identityDecoder,
  47          languages  : mapDecoder,
  48          globalLock : boolDecoder
  49      };
  50
  51      var encoder_of = {
  52          siteName   : identityEncoder,
  53          baseURI    : identityEncoder,
  54          defaultPage: identityEncoder,
  55          styleSheet : identityEncoder,
  56          languages  : mapEncoder,
  57          globalLock : boolEncoder
  58      };
  59
  60      var cachedConf = null;
  61
  62      var isValidBaseURI = function (str) {
  63          parseUri.options.strictMode = true;
  64          var uri = parseUri(str);
  65
  66          return (uri.protocol != "" &&
  67                  uri.authority != "" &&
  68                  uri.path != "" &&
  69                  uri.path.match(/\/$/) &&
  70                  uri.query == "" &&
  71                  uri.anchor == "");
  72      };
  73
  74     Rakka.getSystemConfig = function () {
  75         if (cachedConf != null) {
  76             return cachedConf;
  77         }
  78
  79         var conf = {};
  80         cachedConf = conf;
  81
  82         $.ajax({
  83             type   : "GET",
  84             url    : Rakka.baseURI + "systemConfig",
  85             async  : false,
  86             success: function (xml) {
  87                 $(xml).find("value").each(function () {
  88                     var path    = this.getAttribute("path");
  89                     var decoder = decoder_of[path];
  90
  91                     if (decoder == null) {
  92                         throw new Error("unknown config path: " + path);
  93                     }
  94                     else {
  95                         conf[path] = decoder($(this).text());
  96                     }
  97                 });
  98             },
  99             error  : function (req) {
 100                 throw new Error(req.status + " " + req.statusText);
 101             }
 102         });
 103
 104         return conf;
 105     };
 106
 107      Rakka.showConfigPanel = function () {
 108          var conf  = Rakka.getSystemConfig();
 109          var $area = Rakka.switchScreen();
 110
 111          $area.append($.H1({}, "Configuration"));
 112
 113          var fldSiteName
 114              = $.INPUT({type: "text", value: conf.siteName});
 115
 116          var fldBaseURI
 117              = $.INPUT({type: "text", value: conf.baseURI});
 118
 119          var fldDefaultPage
 120              = $.INPUT({type: "text", value: conf.defaultPage});
 121
 122          var fldStyleSheet
 123              = $.INPUT({type: "text", value: conf.styleSheet});
 124
 125          var fldLanguages
 126              = $.TEXTAREA({value: encoder_of.languages(conf.languages)});
 127
 128          var chkGlobalLock
 129              = $.INPUT({type: "checkbox", checked: conf.globalLock});
 130
 131          var btnSave
 132              = $.INPUT({type: "button", value: "Save"});
 133
 134          var btnCancel
 135              = $.INPUT({type: "button", value: "Cancel"});
 136
 137          var configPanel
 138              = $.TABLE({className: "pageEditor"},
 139                        $.TBODY({},
 140                                $.TR({},
 141                                     $.TH({}, "Site name"),
 142                                     $.TD({}, fldSiteName)
 143                                    ),
 144                                $.TR({},
 145                                     $.TH({}, "Base URI"),
 146                                     $.TD({}, fldBaseURI)
 147                                    ),
 148                                $.TR({},
 149                                     $.TH({}, "Default page"),
 150                                     $.TD({}, fldDefaultPage)
 151                                    ),
 152                                $.TR({},
 153                                     $.TH({}, "Style sheet"),
 154                                     $.TD({}, fldStyleSheet)
 155                                    ),
 156                                $.TR({},
 157                                     $.TH({}, "Languages"),
 158                                     $.TD({}, fldLanguages)
 159                                    ),
 160                                $.TR({},
 161                                     $.TH({}, "Global lock"),
 162                                     $.TD({},
 163                                          $.LABEL({},
 164                                                  chkGlobalLock,
 165                                                  "Disallow guest users to edit pages."))
 166                                    ),
 167                                $.TR({},
 168                                     $.TH({}),
 169                                     $.TD({}, btnSave, btnCancel)
 170                                    )
 171                               )
 172                       );
 173
 174          var validate = function () {
 175              var isValid = (function () {
 176                                 if (!isValidBaseURI(fldBaseURI.value)) {
 177                                     return false;
 178                                 }
 179
 180                                 if (fldDefaultPage.value.match(Rakka.rePageName) == null) {
 181                                     return false;
 182                                 }
 183
 184                                 if (fldStyleSheet.value.match(Rakka.rePageName) == null) {
 185                                     return false;
 186                                 }
 187
 188                                 return true;
 189                             })();
 190
 191              $(btnSave).attr({disabled: (isValid ? "" : "disabled")});
 192          };
 193
 194          var isDirty = null;
 195          var makeDirty = function () {
 196              isDirty = true;
 197          };
 198
 199          $(fldSiteName)
 200              .add(fldBaseURI)
 201              .add(fldDefaultPage)
 202              .add(fldStyleSheet)
 203              .add(fldLanguages)
 204              .change(validate)
 205              .keyup(validate)
 206              .change(makeDirty);
 207
 208          $area.append(configPanel);
 209      };
 210
 211     $(document).ready(function () {
 212         $("input.configButton")
 213             .click(function () {
 214                        Rakka.showConfigPanel();
 215                    });
 216     });
 217
 218 })();