src/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                 if (vname == "ajax_cover_preview")
  54                         return "/cover/preview/";
  55
  56                 console.log("Couldn't reverse match:", vname);
  57                 return "/404.html";
  58         };
  59
  60         /*
  61          * Document Abstraction
  62          */
  63         function WikiDocument(element_id) {
  64                 var meta = $('#' + element_id);
  65                 this.id = meta.attr('data-chunk-id');
  66
  67                 this.revision = $("*[data-key='revision']", meta).text();
  68                 this.readonly = !!$("*[data-key='readonly']", meta).text();
  69
  70                 this.galleryLink = $("*[data-key='gallery']", meta).text();
  71         this.galleryStart = parseInt($("*[data-key='gallery-start']", meta).text());
  72
  73         var diff = $("*[data-key='diff']", meta).text();
  74         if (diff) {
  75             diff = diff.split(',');
  76             if (diff.length == 2 && diff[0] < diff[1])
  77                 this.diff = diff;
  78             else if (diff.length == 1) {
  79                 diff = parseInt(diff);
  80                 if (diff != NaN)
  81                     this.diff = [diff - 1, diff];
  82             }
  83         }
  84
  85                 this.galleryImages = [];
  86                 this.text = null;
  87                 this.has_local_changes = false;
  88                 this._lock = -1;
  89                 this._context_lock = -1;
  90                 this._lock_count = 0;
  91         };
  92
  93         WikiDocument.prototype.triggerDocumentChanged = function() {
  94                 $(document).trigger('wlapi_document_changed', this);
  95         };
  96         /*
  97          * Fetch text of this document.
  98          */
  99         WikiDocument.prototype.fetch = function(params) {
 100                 params = $.extend({}, noops, params);
 101                 var self = this;
 102                 $.ajax({
 103                         method: "GET",
 104                         url: reverse("ajax_document_text", self.id),
 105                         data: {"revision": self.revision},
 106                         dataType: 'json',
 107                         success: function(data) {
 108                                 var changed = false;
 109
 110                                 if (self.text === null || self.revision !== data.revision) {
 111                                         self.text = data.text;
 112                                         self.revision = data.revision;
 113                                         self.gallery = data.gallery;
 114                                         changed = true;
 115                                         self.triggerDocumentChanged();
 116                                 };
 117
 118                                 self.has_local_changes = false;
 119                                 params['success'](self, changed);
 120                         },
 121                         error: function() {
 122                                 params['failure'](self, "Nie udało się wczytać treści dokumentu.");
 123                         }
 124                 });
 125         };
 126         /*
 127          * Fetch history of this document.
 128          *
 129          * from - First revision to fetch (default = 0) upto - Last revision to
 130          * fetch (default = tip)
 131          *
 132          */
 133         WikiDocument.prototype.fetchHistory = function(params) {
 134                 /* this doesn't modify anything, so no locks */
 135                 params = $.extend({}, noops, params);
 136                 var self = this;
 137                 $.ajax({
 138                         method: "GET",
 139                         url: reverse("ajax_document_history", self.id),
 140                         dataType: 'json',
 141                         data: {
 142                                 "from": params['from'],
 143                                 "upto": params['upto']
 144                         },
 145                         success: function(data) {
 146                                 params['success'](self, data);
 147                         },
 148                         error: function() {
 149                                 params['failure'](self, "Nie udało się wczytać historii dokumentu.");
 150                         }
 151                 });
 152         };
 153         WikiDocument.prototype.fetchDiff = function(params) {
 154                 /* this doesn't modify anything, so no locks */
 155                 var self = this;
 156                 params = $.extend({
 157                         'from': self.revision,
 158                         'to': self.revision
 159                 }, noops, params);
 160                 $.ajax({
 161                         method: "GET",
 162                         url: reverse("ajax_document_diff", self.id),
 163                         dataType: 'html',
 164                         data: {
 165                                 "from": params['from'],
 166                                 "to": params['to']
 167                         },
 168                         success: function(data) {
 169                                 params['success'](self, data);
 170                         },
 171                         error: function() {
 172                                 params['failure'](self, "Nie udało się wczytać porównania wersji.");
 173                         }
 174                 });
 175         };
 176
 177     WikiDocument.prototype.checkRevision = function(params) {
 178         /* this doesn't modify anything, so no locks */
 179         var self = this;
 180         $.ajax({
 181             method: "GET",
 182             url: reverse("ajax_document_rev", self.id),
 183             dataType: 'text',
 184             success: function(data) {
 185                 if (data == '') {
 186                     if (params.error)
 187                         params.error();
 188                 }
 189                 else if (data != self.revision)
 190                     params.outdated();
 191             }
 192         });
 193     };
 194
 195         /*
 196          * Fetch gallery
 197          */
 198         WikiDocument.prototype.refreshGallery = function(params) {
 199                 params = $.extend({}, noops, params);
 200                 var self = this;
 201                 $.ajax({
 202                         method: "GET",
 203                         url: reverse("ajax_document_gallery", self.galleryLink),
 204                         dataType: 'json',
 205                         // data: {},
 206                         success: function(data) {
 207                                 self.galleryImages = data;
 208                                 params['success'](self, data);
 209                         },
 210                         error: function(xhr) {
 211                 switch (xhr.status) {
 212                     case 403:
 213                         var msg = 'Galerie dostępne tylko dla zalogowanych użytkowników.';
 214                         break;
 215                     case 404:
 216                         var msg = "Nie znaleziono galerii o nazwie: '" + self.galleryLink + "'.";
 217                     default:
 218                         var msg = "Nie udało się wczytać galerii o nazwie: '" + self.galleryLink + "'.";
 219                 }
 220                                 self.galleryImages = [];
 221                                 params['failure'](self, "<p>" + msg + "</p>");
 222                         }
 223                 });
 224         };
 225
 226         /*
 227          * Set document's text
 228          */
 229         WikiDocument.prototype.setText = function(text) {
 230                 return this.setDocumentProperty('text', text);
 231         };
 232
 233         /*
 234          * Set document's gallery link
 235          */
 236         WikiDocument.prototype.setGalleryLink = function(gallery) {
 237                 return this.setDocumentProperty('galleryLink', gallery);
 238         };
 239
 240         /*
 241          * Set document's property
 242          */
 243         WikiDocument.prototype.setDocumentProperty = function(property, value) {
 244                 if(this[property] !== value) {
 245                         this[property] = value;
 246                         this.has_local_changes = true;
 247                 }
 248         };
 249
 250         /*
 251          * Save text back to the server
 252          */
 253         WikiDocument.prototype.save = function(params) {
 254                 params = $.extend({}, noops, params);
 255                 var self = this;
 256
 257                 if (!self.has_local_changes) {
 258                         console.log("Abort: no changes.");
 259                         return params['success'](self, false, "Nie ma zmian do zapisania.");
 260                 };
 261
 262                 // Serialize form to dictionary
 263                 var data = {};
 264                 $.each(params['form'].serializeArray(), function() {
 265                         data[this.name] = this.value;
 266                 });
 267
 268                 data['textsave-text'] = self.text;
 269
 270                 $.ajax({
 271                         url: reverse("ajax_document_text", self.id),
 272                         type: "POST",
 273                         dataType: "json",
 274                         data: data,
 275                         success: function(data) {
 276                                 var changed = false;
 277
 278                 $('#header').removeClass('saving');
 279
 280                                 if (data.text) {
 281                                         self.text = data.text;
 282                                         self.revision = data.revision;
 283                                         self.gallery = data.gallery;
 284                                         changed = true;
 285                                         self.triggerDocumentChanged();
 286                                 };
 287
 288                                 params['success'](self, changed, ((changed && "Udało się zapisać :)") || "Twoja wersja i serwera jest identyczna"));
 289                         },
 290                         error: function(xhr) {
 291                 if ($('#header').hasClass('saving')) {
 292                     $('#header').removeClass('saving');
 293                     $.blockUI({
 294                         message: "<p>Nie udało się zapisać zmian. <br/><button onclick='$.unblockUI()'>OK</button></p>"
 295                     })
 296                 }
 297                 else {
 298                     try {
 299                         params['failure'](self, $.parseJSON(xhr.responseText));
 300                     }
 301                     catch (e) {
 302                         params['failure'](self, {
 303                             "__message": "<p>Nie udało się zapisać - błąd serwera.</p>"
 304                         });
 305                     };
 306                 }
 307
 308                         }
 309                 });
 310
 311         $('#save-hide').click(function(){
 312             $('#header').addClass('saving');
 313             $.unblockUI();
 314             $.wiki.blocking.unblock();
 315         });
 316         }; /* end of save() */
 317
 318     WikiDocument.prototype.revertToVersion = function(params) {
 319         var self = this;
 320         params = $.extend({}, noops, params);
 321
 322         if (params.revision >= this.revision) {
 323             params.failure(self, 'Proszę wybrać rewizję starszą niż aktualna.');
 324             return;
 325         }
 326
 327         // Serialize form to dictionary
 328         var data = {};
 329         $.each(params['form'].serializeArray(), function() {
 330             data[this.name] = this.value;
 331         });
 332
 333         $.ajax({
 334             url: reverse("ajax_document_revert", self.id),
 335             type: "POST",
 336             dataType: "json",
 337             data: data,
 338             success: function(data) {
 339                 if (data.text) {
 340                     self.text = data.text;
 341                     self.revision = data.revision;
 342                     self.gallery = data.gallery;
 343                     self.triggerDocumentChanged();
 344
 345                     params.success(self, "Udało się przywrócić wersję :)");
 346                 }
 347                 else {
 348                     params.failure(self, "Przywracana wersja identyczna z aktualną. Anulowano przywracanie.");
 349                 }
 350             },
 351             error: function(xhr) {
 352                 params.failure(self, "Nie udało się przywrócić wersji - błąd serwera.");
 353             }
 354         });
 355     };
 356
 357         WikiDocument.prototype.pubmark = function(params) {
 358                 params = $.extend({}, noops, params);
 359                 var self = this;
 360                 var data = {
 361                         "pubmark-id": self.id,
 362                 };
 363
 364                 /* unpack form */
 365                 $.each(params.form.serializeArray(), function() {
 366                         data[this.name] = this.value;
 367                 });
 368
 369                 $.ajax({
 370                         url: reverse("ajax_document_pubmark", self.id),
 371                         type: "POST",
 372                         dataType: "json",
 373                         data: data,
 374                         success: function(data) {
 375                                 params.success(self, data.message);
 376                         },
 377                         error: function(xhr) {
 378                                 if (xhr.status == 403 || xhr.status == 401) {
 379                                         params.failure(self, {
 380                                                 "__all__": ["Nie masz uprawnień lub nie jesteś zalogowany."]
 381                                         });
 382                                 }
 383                                 else {
 384                                         try {
 385                                                 params.failure(self, $.parseJSON(xhr.responseText));
 386                                         }
 387                                         catch (e) {
 388                                                 params.failure(self, {
 389                                                         "__all__": ["Nie udało się - błąd serwera."]
 390                                                 });
 391                                         };
 392                                 };
 393                         }
 394                 });
 395         };
 396
 397         WikiDocument.prototype.refreshCover = function(params) {
 398         var self = this;
 399                 var data = {
 400                         xml: self.text // TODO: send just DC
 401                 };
 402         $.ajax({
 403             url: reverse("ajax_cover_preview"),
 404             type: "POST",
 405             data: data,
 406             success: function(data) {
 407                 params.success(data);
 408             },
 409             error: function(xhr) {
 410                 // params.failure("Nie udało się odświeżyć okładki - błąd serwera.");
 411             }
 412         });
 413         };
 414
 415
 416     WikiDocument.prototype.getLength = function(params) {
 417         var xml = this.text.replace(/\/(\s+)/g, '<br />$1');
 418         var parser = new DOMParser();
 419         var doc = parser.parseFromString(xml, 'text/xml');
 420         var error = $('parsererror', doc);
 421
 422         if (error.length > 0) {
 423             throw "Not an XML document.";
 424         }
 425         $.xmlns["rdf"] = "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
 426         $('rdf|RDF, motyw, pa, pe, pr, pt', doc).remove();
 427         var text = $(doc).text();
 428         text = $.trim(text.replace(/\s{2,}/g, ' '));
 429         return text.length;
 430     }
 431
 432
 433         $.wikiapi.WikiDocument = WikiDocument;
 434 })(jQuery);