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.getUserList = function () {
  79         var users = [];
  80
  81         $.ajax({
  82                    type: "GET",
  83                    url: Rakka.baseURI + "users",
  84                    async: false,
  85                    beforeSend: function (req) {
  86                        Rakka.setAuthorization(req);
  87                    },
  88                    success: function (xml) {
  89                        $(xml).find("user").each(function () {
  90                            users.push(this.getAttribute("id"));
  91                        });
  92                    },
  93                    error: function (req) {
  94                        throw new Error(req.status + " " + req.statusText);
  95                    }
  96         });
  97
  98         return users;
  99     };
 100
 101     Rakka.getSystemConfig = function () {
 102         if (cachedConf != null) {
 103             return cachedConf;
 104         }
 105
 106         var conf = {};
 107         cachedConf = conf;
 108
 109         $.ajax({
 110             type   : "GET",
 111             url    : Rakka.baseURI + "systemConfig",
 112             async  : false,
 113             success: function (xml) {
 114                 $(xml).find("value").each(function () {
 115                     var path    = this.getAttribute("path");
 116                     var decoder = decoder_of[path];
 117
 118                     if (decoder == null) {
 119                         throw new Error("unknown config path: " + path);
 120                     }
 121                     else {
 122                         conf[path] = decoder($(this).text());
 123                     }
 124                 });
 125             },
 126             error  : function (req) {
 127                 throw new Error(req.status + " " + req.statusText);
 128             }
 129         });
 130
 131         return conf;
 132     };
 133
 134     var appendConfigPanel = function ($area) {
 135         var conf  = Rakka.getSystemConfig();
 136         $area.append($.H1({}, "Configuration"));
 137
 138          var fldSiteName
 139              = $.INPUT({type: "text", value: conf.siteName});
 140
 141          var fldBaseURI
 142              = $.INPUT({type: "text", value: conf.baseURI});
 143
 144          var fldDefaultPage
 145              = $.INPUT({type: "text", value: conf.defaultPage});
 146
 147          var fldStyleSheet
 148              = $.INPUT({type: "text", value: conf.styleSheet});
 149
 150          var fldLanguages
 151              = $.TEXTAREA({value: encoder_of.languages(conf.languages)});
 152
 153          var chkGlobalLock
 154              = $.INPUT({type: "checkbox", checked: conf.globalLock});
 155
 156          var btnSave
 157              = $.INPUT({type: "button", value: "Save"});
 158
 159          $(btnSave).click(function () {
 160                               var NS  = "http://cielonegro.org/schema/Rakka/Config/1.0";
 161                               var doc = document.implementation.createDocument(NS, "systemConfig", null);
 162                               var sc  = doc.documentElement;
 163
 164                               var mkValue = function (path, value) {
 165                                   var elem = doc.createElementNS(NS, "value");
 166                                   elem.setAttribute("path", path);
 167                                   elem.appendChild(doc.createTextNode(value));
 168                                   return elem;
 169                               };
 170
 171                               sc.appendChild(mkValue("siteName"   , fldSiteName.value));
 172                               sc.appendChild(mkValue("baseURI"    , fldBaseURI.value));
 173                               sc.appendChild(mkValue("defaultPage", fldDefaultPage.value));
 174                               sc.appendChild(mkValue("styleSheet" , fldStyleSheet.value));
 175                               sc.appendChild(mkValue("languages"  , fldLanguages.value));
 176                               sc.appendChild(mkValue("globalLock" , encoder_of["globalLock"](chkGlobalLock.checked)));
 177
 178                               Rakka.displayWaitingMessage("Submitting... please wait.");
 179
 180                               var url = Rakka.baseURI + "systemConfig";
 181                               $.ajax({ type       : "PUT",
 182                                        url        : url,
 183                                        contentType: "text/xml",
 184                                        data       : doc,
 185                                        processData: false,
 186                                        beforeSend : function (req) {
 187                                            Rakka.setAuthorization(req);
 188                                        },
 189                                        success    : function () {
 190                                            cachedConf = null;
 191                                            Rakka.hideWaitingMessage();
 192                                            Rakka.restoreScreen();
 193                                        },
 194                                        error      : function (req) {
 195                                            Rakka.hideWaitingMessage();
 196
 197                                            var $area = Rakka.switchScreen();
 198                                            $area.text("Error: " + req.status + " " + req.statusText);
 199                                        }
 200                                      });
 201                           });
 202
 203          var btnCancel
 204              = $.INPUT({type: "button", value: "Cancel"});
 205
 206          $(btnCancel).click(function () {
 207              if (isDirty) {
 208                  if (window.confirm("Do you really want to discard changes?")) {
 209                     Rakka.restoreScreen();
 210                  }
 211              }
 212              else {
 213                  Rakka.restoreScreen();
 214              }
 215          });
 216
 217          var configPanel
 218              = $.TABLE({className: "pageEditor"},
 219                        $.TBODY({},
 220                                $.TR({},
 221                                     $.TH({}, "Site name"),
 222                                     $.TD({}, fldSiteName)
 223                                    ),
 224                                $.TR({},
 225                                     $.TH({}, "Base URI"),
 226                                     $.TD({}, fldBaseURI)
 227                                    ),
 228                                $.TR({},
 229                                     $.TH({}, "Default page"),
 230                                     $.TD({}, fldDefaultPage)
 231                                    ),
 232                                $.TR({},
 233                                     $.TH({}, "Style sheet"),
 234                                     $.TD({}, fldStyleSheet)
 235                                    ),
 236                                $.TR({},
 237                                     $.TH({}, "Languages"),
 238                                     $.TD({}, fldLanguages)
 239                                    ),
 240                                $.TR({},
 241                                     $.TH({}, "Global lock"),
 242                                     $.TD({},
 243                                          $.LABEL({},
 244                                                  chkGlobalLock,
 245                                                  "Disallow guest users to edit pages."))
 246                                    ),
 247                                $.TR({},
 248                                     $.TH({}),
 249                                     $.TD({}, btnSave, btnCancel)
 250                                    )
 251                               )
 252                       );
 253
 254          var validate = function () {
 255              var isValid = (function () {
 256                                 if (!isValidBaseURI(fldBaseURI.value)) {
 257                                     return false;
 258                                 }
 259
 260                                 if (fldDefaultPage.value.match(Rakka.rePageName) == null) {
 261                                     return false;
 262                                 }
 263
 264                                 if (fldStyleSheet.value.match(Rakka.rePageName) == null) {
 265                                     return false;
 266                                 }
 267
 268                                 if (!isValidMap(fldLanguages.value)) {
 269                                     return false;
 270                                 }
 271
 272                                 return true;
 273                             })();
 274
 275              $(btnSave).attr({disabled: (isValid ? "" : "disabled")});
 276          };
 277
 278          var isDirty = null;
 279          var makeDirty = function () {
 280              isDirty = true;
 281          };
 282
 283          $(fldSiteName)
 284              .add(fldBaseURI)
 285              .add(fldDefaultPage)
 286              .add(fldStyleSheet)
 287              .add(fldLanguages)
 288              .change(validate)
 289              .keyup(validate)
 290              .change(makeDirty);
 291
 292          $area.append(configPanel);
 293      };
 294
 295      var appendUsersPanel = function ($area) {
 296          $area.append($.H2({}, "Users"));
 297          $area.append($.H3({}, "Existing Users"));
 298
 299          var tbody = $.TBODY();
 300
 301          var usersPanel
 302              = $.TABLE({className: "pageEditor"},
 303                        $.THEAD({},
 304                                $.TR({},
 305                                     $.TH({}, "User ID"),
 306                                     $.TH({}, "Change Password"),
 307                                     $.TH({}, "Delete User")
 308                                    )
 309                               ),
 310                        tbody
 311                       );
 312
 313          var updateUserList = function () {
 314              var users = Rakka.getUserList();
 315
 316              $(tbody).empty();
 317
 318              for (var i = 0; i < users.length; i++) {
 319                  $.each(users, function () {
 320                             var id = users[i];
 321                             var tr = $.TR({},
 322                                          $.TD({}, id),
 323                                          $.TD({}, ""),
 324                                          $.TD({}, "")
 325                                          );
 326                             tbody.appendChild(tr);
 327                         });
 328              }
 329          };
 330          updateUserList();
 331
 332          $area.append(usersPanel);
 333      };
 334
 335      Rakka.showConfigPanel = function () {
 336         var $area = Rakka.switchScreen();
 337
 338         appendConfigPanel($area);
 339         appendUsersPanel($area);
 340      };
 341
 342      $(document).ready(function () {
 343                            $("input.configButton")
 344                                .click(function () {
 345                                           Rakka.showConfigPanel();
 346                                       });
 347                        });
 348 })();