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      var isValidMap = function (src) {
  75          return src.match(/^\S+\s+\S+(?:\n\S+\s+\S+)*\n?$/) != null;
  76      };
  77
  78     Rakka.getSystemConfig = function () {
  79         if (cachedConf != null) {
  80             return cachedConf;
  81         }
  82
  83         var conf = {};
  84         cachedConf = conf;
  85
  86         $.ajax({
  87             type   : "GET",
  88             url    : Rakka.baseURI + "systemConfig",
  89             async  : false,
  90             success: function (xml) {
  91                 $(xml).find("value").each(function () {
  92                     var path    = this.getAttribute("path");
  93                     var decoder = decoder_of[path];
  94
  95                     if (decoder == null) {
  96                         throw new Error("unknown config path: " + path);
  97                     }
  98                     else {
  99                         conf[path] = decoder($(this).text());
 100                     }
 101                 });
 102             },
 103             error  : function (req) {
 104                 throw new Error(req.status + " " + req.statusText);
 105             }
 106         });
 107
 108         return conf;
 109     };
 110
 111      Rakka.showConfigPanel = function () {
 112          var conf  = Rakka.getSystemConfig();
 113          var $area = Rakka.switchScreen();
 114
 115          $area.append($.H1({}, "Configuration"));
 116
 117          var fldSiteName
 118              = $.INPUT({type: "text", value: conf.siteName});
 119
 120          var fldBaseURI
 121              = $.INPUT({type: "text", value: conf.baseURI});
 122
 123          var fldDefaultPage
 124              = $.INPUT({type: "text", value: conf.defaultPage});
 125
 126          var fldStyleSheet
 127              = $.INPUT({type: "text", value: conf.styleSheet});
 128
 129          var fldLanguages
 130              = $.TEXTAREA({value: encoder_of.languages(conf.languages)});
 131
 132          var chkGlobalLock
 133              = $.INPUT({type: "checkbox", checked: conf.globalLock});
 134
 135          var btnSave
 136              = $.INPUT({type: "button", value: "Save"});
 137
 138          $(btnSave).click(function () {
 139                               var NS  = "http://cielonegro.org/schema/Rakka/Config/1.0";
 140                               var doc = document.implementation.createDocument(NS, "systemConfig", null);
 141                               var sc  = doc.documentElement;
 142
 143                               var mkValue = function (path, value) {
 144                                   var elem = doc.createElementNS(NS, "value");
 145                                   elem.setAttribute("path", path);
 146                                   elem.appendChild(doc.createTextNode(value));
 147                                   return elem;
 148                               };
 149
 150                               sc.appendChild(mkValue("siteName"   , fldSiteName.value));
 151                               sc.appendChild(mkValue("baseURI"    , fldBaseURI.value));
 152                               sc.appendChild(mkValue("defaultPage", fldDefaultPage.value));
 153                               sc.appendChild(mkValue("styleSheet" , fldStyleSheet.value));
 154                               sc.appendChild(mkValue("languages"  , fldLanguages.value));
 155                               sc.appendChild(mkValue("globalLock" , encoder_of["globalLock"](chkGlobalLock.checked)));
 156
 157                               Rakka.displayWaitingMessage("Submitting... please wait.");
 158
 159                               var url = Rakka.baseURI + "systemConfig";
 160                               $.ajax({ type       : "PUT",
 161                                        url        : url,
 162                                        contentType: "text/xml",
 163                                        data       : doc,
 164                                        processData: false,
 165                                        beforeSend : function (req) {
 166                                            Rakka.setAuthorization(req);
 167                                        },
 168                                        success    : function () {
 169                                            cachedConf = null;
 170                                            Rakka.hideWaitingMessage();
 171                                            Rakka.restoreScreen();
 172                                        },
 173                                        error      : function (req) {
 174                                            Rakka.hideWaitingMessage();
 175
 176                                            var $area = Rakka.switchScreen();
 177                                            $area.text("Error: " + req.status + " " + req.statusText);
 178                                        }
 179                                      });
 180                           });
 181
 182          var btnCancel
 183              = $.INPUT({type: "button", value: "Cancel"});
 184
 185          $(btnCancel).click(function () {
 186              if (isDirty) {
 187                  if (window.confirm("Do you really want to discard changes?")) {
 188                     Rakka.restoreScreen();
 189                  }
 190              }
 191              else {
 192                  Rakka.restoreScreen();
 193              }
 194          });
 195
 196          var configPanel
 197              = $.TABLE({className: "pageEditor"},
 198                        $.TBODY({},
 199                                $.TR({},
 200                                     $.TH({}, "Site name"),
 201                                     $.TD({}, fldSiteName)
 202                                    ),
 203                                $.TR({},
 204                                     $.TH({}, "Base URI"),
 205                                     $.TD({}, fldBaseURI)
 206                                    ),
 207                                $.TR({},
 208                                     $.TH({}, "Default page"),
 209                                     $.TD({}, fldDefaultPage)
 210                                    ),
 211                                $.TR({},
 212                                     $.TH({}, "Style sheet"),
 213                                     $.TD({}, fldStyleSheet)
 214                                    ),
 215                                $.TR({},
 216                                     $.TH({}, "Languages"),
 217                                     $.TD({}, fldLanguages)
 218                                    ),
 219                                $.TR({},
 220                                     $.TH({}, "Global lock"),
 221                                     $.TD({},
 222                                          $.LABEL({},
 223                                                  chkGlobalLock,
 224                                                  "Disallow guest users to edit pages."))
 225                                    ),
 226                                $.TR({},
 227                                     $.TH({}),
 228                                     $.TD({}, btnSave, btnCancel)
 229                                    )
 230                               )
 231                       );
 232
 233          var validate = function () {
 234              var isValid = (function () {
 235                                 if (!isValidBaseURI(fldBaseURI.value)) {
 236                                     return false;
 237                                 }
 238
 239                                 if (fldDefaultPage.value.match(Rakka.rePageName) == null) {
 240                                     return false;
 241                                 }
 242
 243                                 if (fldStyleSheet.value.match(Rakka.rePageName) == null) {
 244                                     return false;
 245                                 }
 246
 247                                 if (!isValidMap(fldLanguages.value)) {
 248                                     return false;
 249                                 }
 250
 251                                 return true;
 252                             })();
 253
 254              $(btnSave).attr({disabled: (isValid ? "" : "disabled")});
 255          };
 256
 257          var isDirty = null;
 258          var makeDirty = function () {
 259              isDirty = true;
 260          };
 261
 262          $(fldSiteName)
 263              .add(fldBaseURI)
 264              .add(fldDefaultPage)
 265              .add(fldStyleSheet)
 266              .add(fldLanguages)
 267              .change(validate)
 268              .keyup(validate)
 269              .change(makeDirty);
 270
 271          $area.append(configPanel);
 272      };
 273
 274     $(document).ready(function () {
 275         $("input.configButton")
 276             .click(function () {
 277                        Rakka.showConfigPanel();
 278                    });
 279     });
 280
 281 })();