redakcja/static/js/wiki/wikiapi.js

   1 (function($) {
   2         $.wikiapi = {};
   3         var noop = function() {
   4         };
   5         var noops = {
   6                 success: noop,
   7                 failure: noop
   8         };
   9         /*
  10          * Return absolute reverse path of given named view. (at least he have it
  11          * hard-coded in one place)
  12          *
  13          * TODO: think of a way, not to hard-code it here ;)
  14          *
  15          */
  16         function reverse() {
  17                 var vname = arguments[0];
  18                 var base_path = "/editor";
  19
  20                 if (vname == "ajax_document_text") {
  21                         var path = "/text/" + arguments[1] + '/';
  22
  23                 if (arguments[2] !== undefined)
  24                                 path += arguments[2] + '/';
  25
  26                         return base_path + path;
  27                 }
  28
  29         if (vname == "ajax_document_revert") {
  30             return base_path + "/revert/" + arguments[1] + '/';
  31         }
  32
  33
  34                 if (vname == "ajax_document_history") {
  35
  36                         return base_path + "/history/" + arguments[1] + '/';
  37                 }
  38
  39                 if (vname == "ajax_document_gallery") {
  40
  41                         return base_path + "/gallery/" + arguments[1] + '/';
  42                 }
  43
  44                 if (vname == "ajax_document_diff")
  45                         return base_path + "/diff/" + arguments[1] + '/';
  46
  47         if (vname == "ajax_document_rev")
  48             return base_path + "/rev/" + arguments[1] + '/';
  49
  50                 if (vname == "ajax_document_pubmark")
  51                         return base_path + "/pubmark/" + arguments[1] + '/';
  52
  53                 console.log("Couldn't reverse match:", vname);
  54                 return "/404.html";
  55         };
  56
  57         /*
  58          * Document Abstraction
  59          */
  60         function WikiDocument(element_id) {
  61                 var meta = $('#' + element_id);
  62                 this.id = meta.attr('data-chunk-id');
  63
  64                 this.revision = $("*[data-key='revision']", meta).text();
  65                 this.readonly = !!$("*[data-key='readonly']", meta).text();
  66
  67                 this.galleryLink = $("*[data-key='gallery']", meta).text();
  68         this.galleryStart = parseInt($("*[data-key='gallery-start']", meta).text());
  69
  70         var diff = $("*[data-key='diff']", meta).text();
  71         if (diff) {
  72             diff = diff.split(',');
  73             if (diff.length == 2 && diff[0] < diff[1])
  74                 this.diff = diff;
  75             else if (diff.length == 1) {
  76                 diff = parseInt(diff);
  77                 if (diff != NaN)
  78                     this.diff = [diff - 1, diff];
  79             }
  80         }
  81
  82                 this.galleryImages = [];
  83                 this.text = null;
  84                 this.has_local_changes = false;
  85                 this._lock = -1;
  86                 this._context_lock = -1;
  87                 this._lock_count = 0;
  88         };
  89
  90         WikiDocument.prototype.triggerDocumentChanged = function() {
  91                 $(document).trigger('wlapi_document_changed', this);
  92         };
  93         /*
  94          * Fetch text of this document.
  95          */
  96         WikiDocument.prototype.fetch = function(params) {
  97                 params = $.extend({}, noops, params);
  98                 var self = this;
  99                 $.ajax({
 100                         method: "GET",
 101                         url: reverse("ajax_document_text", self.id),
 102                         data: {"revision": self.revision},
 103                         dataType: 'json',
 104                         success: function(data) {
 105                                 var changed = false;
 106
 107                                 if (self.text === null || self.revision !== data.revision) {
 108                                         self.text = data.text;
 109                                         self.revision = data.revision;
 110                                         self.gallery = data.gallery;
 111                                         changed = true;
 112                                         self.triggerDocumentChanged();
 113                                 };
 114
 115                                 self.has_local_changes = false;
 116                                 params['success'](self, changed);
 117                         },
 118                         error: function() {
 119                                 params['failure'](self, "Nie udało się wczytać treści dokumentu.");
 120                         }
 121                 });
 122         };
 123         /*
 124          * Fetch history of this document.
 125          *
 126          * from - First revision to fetch (default = 0) upto - Last revision to
 127          * fetch (default = tip)
 128          *
 129          */
 130         WikiDocument.prototype.fetchHistory = function(params) {
 131                 /* this doesn't modify anything, so no locks */
 132                 params = $.extend({}, noops, params);
 133                 var self = this;
 134                 $.ajax({
 135                         method: "GET",
 136                         url: reverse("ajax_document_history", self.id),
 137                         dataType: 'json',
 138                         data: {
 139                                 "from": params['from'],
 140                                 "upto": params['upto']
 141                         },
 142                         success: function(data) {
 143                                 params['success'](self, data);
 144                         },
 145                         error: function() {
 146                                 params['failure'](self, "Nie udało się wczytać historii dokumentu.");
 147                         }
 148                 });
 149         };
 150         WikiDocument.prototype.fetchDiff = function(params) {
 151                 /* this doesn't modify anything, so no locks */
 152                 var self = this;
 153                 params = $.extend({
 154                         'from': self.revision,
 155                         'to': self.revision
 156                 }, noops, params);
 157                 $.ajax({
 158                         method: "GET",
 159                         url: reverse("ajax_document_diff", self.id),
 160                         dataType: 'html',
 161                         data: {
 162                                 "from": params['from'],
 163                                 "to": params['to']
 164                         },
 165                         success: function(data) {
 166                                 params['success'](self, data);
 167                         },
 168                         error: function() {
 169                                 params['failure'](self, "Nie udało się wczytać porównania wersji.");
 170                         }
 171                 });
 172         };
 173
 174     WikiDocument.prototype.checkRevision = function(params) {
 175         /* this doesn't modify anything, so no locks */
 176         var self = this;
 177         $.ajax({
 178             method: "GET",
 179             url: reverse("ajax_document_rev", self.id),
 180             dataType: 'text',
 181             success: function(data) {
 182                 if (data == '') {
 183                     if (params.error)
 184                         params.error();
 185                 }
 186                 else if (data != self.revision)
 187                     params.outdated();
 188             }
 189         });
 190     };
 191
 192         /*
 193          * Fetch gallery
 194          */
 195         WikiDocument.prototype.refreshGallery = function(params) {
 196                 params = $.extend({}, noops, params);
 197                 var self = this;
 198                 $.ajax({
 199                         method: "GET",
 200                         url: reverse("ajax_document_gallery", self.galleryLink),
 201                         dataType: 'json',
 202                         // data: {},
 203                         success: function(data) {
 204                                 self.galleryImages = data;
 205                                 params['success'](self, data);
 206                         },
 207                         error: function(xhr) {
 208                 switch (xhr.status) {
 209                     case 403:
 210                         var msg = 'Galerie dostępne tylko dla zalogowanych użytkowników.';
 211                         break;
 212                     case 404:
 213                         var msg = "Nie znaleziono galerii o nazwie: '" + self.galleryLink + "'.";
 214                     default:
 215                         var msg = "Nie udało się wczytać galerii o nazwie: '" + self.galleryLink + "'.";
 216                 }
 217                                 self.galleryImages = [];
 218                                 params['failure'](self, "<p>" + msg + "</p>");
 219                         }
 220                 });
 221         };
 222
 223         /*
 224          * Set document's text
 225          */
 226         WikiDocument.prototype.setText = function(text) {
 227                 this.text = text;
 228                 this.has_local_changes = true;
 229         };
 230
 231         /*
 232          * Set document's gallery link
 233          */
 234         WikiDocument.prototype.setGalleryLink = function(gallery) {
 235                 this.galleryLink = gallery;
 236                 this.has_local_changes = true;
 237         };
 238
 239         /*
 240          * Save text back to the server
 241          */
 242         WikiDocument.prototype.save = function(params) {
 243                 params = $.extend({}, noops, params);
 244                 var self = this;
 245
 246                 if (!self.has_local_changes) {
 247                         console.log("Abort: no changes.");
 248                         return params['success'](self, false, "Nie ma zmian do zapisania.");
 249                 };
 250
 251                 // Serialize form to dictionary
 252                 var data = {};
 253                 $.each(params['form'].serializeArray(), function() {
 254                         data[this.name] = this.value;
 255                 });
 256
 257                 data['textsave-text'] = self.text;
 258
 259                 $.ajax({
 260                         url: reverse("ajax_document_text", self.id),
 261                         type: "POST",
 262                         dataType: "json",
 263                         data: data,
 264                         success: function(data) {
 265                                 var changed = false;
 266
 267                 $('#header').removeClass('saving');
 268
 269                                 if (data.text) {
 270                                         self.text = data.text;
 271                                         self.revision = data.revision;
 272                                         self.gallery = data.gallery;
 273                                         changed = true;
 274                                         self.triggerDocumentChanged();
 275                                 };
 276
 277                                 params['success'](self, changed, ((changed && "Udało się zapisać :)") || "Twoja wersja i serwera jest identyczna"));
 278                         },
 279                         error: function(xhr) {
 280                 if ($('#header').hasClass('saving')) {
 281                     $('#header').removeClass('saving');
 282                     $.blockUI({
 283                         message: "<p>Nie udało się zapisać zmian. <br/><button onclick='$.unblockUI()'>OK</button></p>"
 284                     })
 285                 }
 286                 else {
 287                     try {
 288                         params['failure'](self, $.parseJSON(xhr.responseText));
 289                     }
 290                     catch (e) {
 291                         params['failure'](self, {
 292                             "__message": "<p>Nie udało się zapisać - błąd serwera.</p>"
 293                         });
 294                     };
 295                 }
 296
 297                         }
 298                 });
 299
 300         $('#save-hide').click(function(){
 301             $('#header').addClass('saving');
 302             $.unblockUI();
 303             $.wiki.blocking.unblock();
 304         });
 305         }; /* end of save() */
 306
 307     WikiDocument.prototype.revertToVersion = function(params) {
 308         var self = this;
 309         params = $.extend({}, noops, params);
 310
 311         if (params.revision >= this.revision) {
 312             params.failure(self, 'Proszę wybrać rewizję starszą niż aktualna.');
 313             return;
 314         }
 315
 316         // Serialize form to dictionary
 317         var data = {};
 318         $.each(params['form'].serializeArray(), function() {
 319             data[this.name] = this.value;
 320         });
 321
 322         $.ajax({
 323             url: reverse("ajax_document_revert", self.id),
 324             type: "POST",
 325             dataType: "json",
 326             data: data,
 327             success: function(data) {
 328                 if (data.text) {
 329                     self.text = data.text;
 330                     self.revision = data.revision;
 331                     self.gallery = data.gallery;
 332                     self.triggerDocumentChanged();
 333
 334                     params.success(self, "Udało się przywrócić wersję :)");
 335                 }
 336                 else {
 337                     params.failure(self, "Przywracana wersja identyczna z aktualną. Anulowano przywracanie.");
 338                 }
 339             },
 340             error: function(xhr) {
 341                 params.failure(self, "Nie udało się przywrócić wersji - błąd serwera.");
 342             }
 343         });
 344     };
 345
 346         WikiDocument.prototype.pubmark = function(params) {
 347                 params = $.extend({}, noops, params);
 348                 var self = this;
 349                 var data = {
 350                         "pubmark-id": self.id,
 351                 };
 352
 353                 /* unpack form */
 354                 $.each(params.form.serializeArray(), function() {
 355                         data[this.name] = this.value;
 356                 });
 357
 358                 $.ajax({
 359                         url: reverse("ajax_document_pubmark", self.id),
 360                         type: "POST",
 361                         dataType: "json",
 362                         data: data,
 363                         success: function(data) {
 364                                 params.success(self, data.message);
 365                         },
 366                         error: function(xhr) {
 367                                 if (xhr.status == 403 || xhr.status == 401) {
 368                                         params.failure(self, {
 369                                                 "__all__": ["Nie masz uprawnień lub nie jesteś zalogowany."]
 370                                         });
 371                                 }
 372                                 else {
 373                                         try {
 374                                                 params.failure(self, $.parseJSON(xhr.responseText));
 375                                         }
 376                                         catch (e) {
 377                                                 params.failure(self, {
 378                                                         "__all__": ["Nie udało się - błąd serwera."]
 379                                                 });
 380                                         };
 381                                 };
 382                         }
 383                 });
 384         };
 385
 386     WikiDocument.prototype.getLength = function(params) {
 387         var xml = this.text.replace(/\/(\s+)/g, '<br />$1');
 388         var parser = new DOMParser();
 389         var doc = parser.parseFromString(xml, 'text/xml');
 390         var error = $('parsererror', doc);
 391
 392         if (error.length > 0) {
 393             throw "Not an XML document.";
 394         }
 395         $.xmlns["rdf"] = "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
 396         $('rdf|RDF, motyw, pa, pe, pr, pt', doc).remove();
 397         var text = $(doc).text();
 398         text = $.trim(text.replace(/\s{2,}/g, ' '));
 399         return text.length;
 400     }
 401
 402
 403         $.wikiapi.WikiDocument = WikiDocument;
 404 })(jQuery);