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             this.fullUri = $("*[data-key='full-uri']", meta).text();
  73
  74         var diff = $("*[data-key='diff']", meta).text();
  75         if (diff) {
  76             diff = diff.split(',');
  77             if (diff.length == 2 && diff[0] < diff[1])
  78                 this.diff = diff;
  79             else if (diff.length == 1) {
  80                 diff = parseInt(diff);
  81                 if (diff != NaN)
  82                     this.diff = [diff - 1, diff];
  83             }
  84         }
  85
  86                 this.galleryImages = [];
  87                 this.text = null;
  88                 this.has_local_changes = false;
  89                 this._lock = -1;
  90                 this._context_lock = -1;
  91                 this._lock_count = 0;
  92         };
  93
  94         WikiDocument.prototype.triggerDocumentChanged = function() {
  95                 $(document).trigger('wlapi_document_changed', this);
  96         };
  97         /*
  98          * Fetch text of this document.
  99          */
 100         WikiDocument.prototype.fetch = function(params) {
 101                 params = $.extend({}, noops, params);
 102                 var self = this;
 103                 $.ajax({
 104                         method: "GET",
 105                         url: reverse("ajax_document_text", self.id),
 106                         data: {"revision": self.revision},
 107                         dataType: 'json',
 108                         success: function(data) {
 109                                 var changed = false;
 110
 111                                 if (self.text === null || self.revision !== data.revision) {
 112                                         self.text = data.text;
 113                                         self.revision = data.revision;
 114                                         self.gallery = data.gallery;
 115                                         changed = true;
 116                                         self.triggerDocumentChanged();
 117                                 };
 118
 119                                 self.has_local_changes = false;
 120                                 params['success'](self, changed);
 121                         },
 122                         error: function() {
 123                                 params['failure'](self, "Nie udało się wczytać treści dokumentu.");
 124                         }
 125                 });
 126         };
 127         /*
 128          * Fetch history of this document.
 129          *
 130          * from - First revision to fetch (default = 0) upto - Last revision to
 131          * fetch (default = tip)
 132          *
 133          */
 134         WikiDocument.prototype.fetchHistory = function(params) {
 135                 /* this doesn't modify anything, so no locks */
 136                 params = $.extend({}, noops, params);
 137                 var self = this;
 138                 $.ajax({
 139                         method: "GET",
 140                         url: reverse("ajax_document_history", self.id),
 141                         dataType: 'json',
 142                         data: {
 143                                 "from": params['from'],
 144                                 "upto": params['upto']
 145                         },
 146                         success: function(data) {
 147                                 params['success'](self, data);
 148                         },
 149                         error: function() {
 150                                 params['failure'](self, "Nie udało się wczytać historii dokumentu.");
 151                         }
 152                 });
 153         };
 154         WikiDocument.prototype.fetchDiff = function(params) {
 155                 /* this doesn't modify anything, so no locks */
 156                 var self = this;
 157                 params = $.extend({
 158                         'from': self.revision,
 159                         'to': self.revision
 160                 }, noops, params);
 161                 $.ajax({
 162                         method: "GET",
 163                         url: reverse("ajax_document_diff", self.id),
 164                         dataType: 'html',
 165                         data: {
 166                                 "from": params['from'],
 167                                 "to": params['to']
 168                         },
 169                         success: function(data) {
 170                                 params['success'](self, data);
 171                         },
 172                         error: function() {
 173                                 params['failure'](self, "Nie udało się wczytać porównania wersji.");
 174                         }
 175                 });
 176         };
 177
 178     WikiDocument.prototype.checkRevision = function(params) {
 179         /* this doesn't modify anything, so no locks */
 180         var self = this;
 181         $.ajax({
 182             method: "GET",
 183             url: reverse("ajax_document_rev", self.id),
 184             dataType: 'text',
 185             success: function(data) {
 186                 if (data == '') {
 187                     if (params.error)
 188                         params.error();
 189                 }
 190                 else if (data != self.revision)
 191                     params.outdated();
 192             }
 193         });
 194     };
 195
 196         /*
 197          * Fetch gallery
 198          */
 199         WikiDocument.prototype.refreshGallery = function(params) {
 200                 params = $.extend({}, noops, params);
 201                 var self = this;
 202                 if (!self.galleryLink) {
 203                         params['failure'](self, 'Brak galerii.');
 204                         return;
 205                 }
 206                 $.ajax({
 207                         method: "GET",
 208                         url: reverse("ajax_document_gallery", self.galleryLink),
 209                         dataType: 'json',
 210                         // data: {},
 211                         success: function(data) {
 212                                 self.galleryImages = data;
 213                                 params['success'](self, data);
 214                         },
 215                         error: function(xhr) {
 216                 switch (xhr.status) {
 217                     case 403:
 218                         var msg = 'Galerie dostępne tylko dla zalogowanych użytkowników.';
 219                         break;
 220                     case 404:
 221                         var msg = "Nie znaleziono galerii o nazwie: '" + self.galleryLink + "'.";
 222                     default:
 223                         var msg = "Nie udało się wczytać galerii o nazwie: '" + self.galleryLink + "'.";
 224                 }
 225                                 self.galleryImages = [];
 226                                 params['failure'](self, msg);
 227                         }
 228                 });
 229         };
 230
 231     /*
 232      * Set document's text
 233      */
 234     WikiDocument.prototype.setText = function(text, setter) {
 235         if (text == this.text) return;
 236
 237         this.text = text;
 238         this.has_local_changes = true;
 239
 240     };
 241
 242
 243         /*
 244          * Save text back to the server
 245          */
 246         WikiDocument.prototype.save = function(params) {
 247                 params = $.extend({}, noops, params);
 248                 var self = this;
 249
 250                 if (!self.has_local_changes) {
 251                         console.log("Abort: no changes.");
 252                         return params['success'](self, false, "Nie ma zmian do zapisania.");
 253                 };
 254
 255                 // Serialize form to dictionary
 256                 var data = {};
 257                 $.each(params['form'].serializeArray(), function() {
 258                         data[this.name] = this.value;
 259                 });
 260
 261                 data['textsave-text'] = self.text;
 262
 263                 $.ajax({
 264                         url: reverse("ajax_document_text", self.id),
 265                         type: "POST",
 266                         dataType: "json",
 267                         data: data,
 268                         success: function(data) {
 269                                 var changed = false;
 270
 271                 $('#header').removeClass('saving');
 272
 273                                 if (data.text) {
 274                                         self.text = data.text;
 275                                         self.revision = data.revision;
 276                                         self.gallery = data.gallery;
 277                                         changed = true;
 278                                         self.triggerDocumentChanged();
 279                                 };
 280
 281                                 params['success'](self, changed, ((changed && "Udało się zapisać :)") || "Twoja wersja i serwera jest identyczna"));
 282                         },
 283                         error: function(xhr) {
 284                 if ($('#header').hasClass('saving')) {
 285                     $('#header').removeClass('saving');
 286                     $.blockUI({
 287                         message: "<p>Nie udało się zapisać zmian. <br/><button onclick='$.unblockUI()'>OK</button></p>"
 288                     })
 289                 }
 290                 else {
 291                     try {
 292                         params['failure'](self, $.parseJSON(xhr.responseText));
 293                     }
 294                     catch (e) {
 295                         params['failure'](self, {
 296                             "__message": "<p>Nie udało się zapisać - błąd serwera.</p>"
 297                         });
 298                     };
 299                 }
 300
 301                         }
 302                 });
 303
 304         $('#save-hide').click(function(){
 305             $('#header').addClass('saving');
 306             $.unblockUI();
 307             $.wiki.blocking.unblock();
 308         });
 309         }; /* end of save() */
 310
 311     WikiDocument.prototype.revertToVersion = function(params) {
 312         var self = this;
 313         params = $.extend({}, noops, params);
 314
 315         if (params.revision >= this.revision) {
 316             params.failure(self, 'Proszę wybrać rewizję starszą niż aktualna.');
 317             return;
 318         }
 319
 320         // Serialize form to dictionary
 321         var data = {};
 322         $.each(params['form'].serializeArray(), function() {
 323             data[this.name] = this.value;
 324         });
 325
 326         $.ajax({
 327             url: reverse("ajax_document_revert", self.id),
 328             type: "POST",
 329             dataType: "json",
 330             data: data,
 331             success: function(data) {
 332                 if (data.text) {
 333                     self.text = data.text;
 334                     self.revision = data.revision;
 335                     self.gallery = data.gallery;
 336                     self.triggerDocumentChanged();
 337
 338                     params.success(self, "Udało się przywrócić wersję :)");
 339                 }
 340                 else {
 341                     params.failure(self, "Przywracana wersja identyczna z aktualną. Anulowano przywracanie.");
 342                 }
 343             },
 344             error: function(xhr) {
 345                 params.failure(self, "Nie udało się przywrócić wersji - błąd serwera.");
 346             }
 347         });
 348     };
 349
 350         WikiDocument.prototype.pubmark = function(params) {
 351                 params = $.extend({}, noops, params);
 352                 var self = this;
 353                 var data = {
 354                         "pubmark-id": self.id,
 355                 };
 356
 357                 /* unpack form */
 358                 $.each(params.form.serializeArray(), function() {
 359                         data[this.name] = this.value;
 360                 });
 361
 362                 $.ajax({
 363                         url: reverse("ajax_document_pubmark", self.id),
 364                         type: "POST",
 365                         dataType: "json",
 366                         data: data,
 367                         success: function(data) {
 368                                 params.success(self, data.message);
 369                         },
 370                         error: function(xhr) {
 371                                 if (xhr.status == 403 || xhr.status == 401) {
 372                                         params.failure(self, {
 373                                                 "__all__": ["Nie masz uprawnień lub nie jesteś zalogowany."]
 374                                         });
 375                                 }
 376                                 else {
 377                                         try {
 378                                                 params.failure(self, $.parseJSON(xhr.responseText));
 379                                         }
 380                                         catch (e) {
 381                                                 params.failure(self, {
 382                                                         "__all__": ["Nie udało się - błąd serwera."]
 383                                                 });
 384                                         };
 385                                 };
 386                         }
 387                 });
 388         };
 389
 390         WikiDocument.prototype.refreshCover = function(params) {
 391         var self = this;
 392                 var data = {
 393                         xml: self.text // TODO: send just DC
 394                 };
 395         $.ajax({
 396             url: reverse("ajax_cover_preview"),
 397             type: "POST",
 398             data: data,
 399             success: function(data) {
 400                 params.success(data);
 401             },
 402             error: function(xhr) {
 403                 // params.failure("Nie udało się odświeżyć okładki - błąd serwera.");
 404             }
 405         });
 406         };
 407
 408
 409     WikiDocument.prototype.getLength = function(params) {
 410         params = $.extend({}, noops, params);
 411         var xml = this.text.replace(/\/(\s+)/g, '<br />$1');
 412         var parser = new DOMParser();
 413         var doc = parser.parseFromString(xml, 'text/xml');
 414         var error = $('parsererror', doc);
 415
 416         if (error.length > 0) {
 417             throw "Not an XML document.";
 418         }
 419         $.xmlns["rdf"] = "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
 420         $('rdf|RDF', doc).remove();
 421         if (params.noFootnotes) {
 422             $('pa, pe, pr, pt', doc).remove();
 423         }
 424         if (params.noThemes) {
 425             $('motyw', doc).remove();
 426         }
 427         var text = $(doc).text();
 428         text = $.trim(text.replace(/\s{2,}/g, ' '));
 429         return text.length;
 430     }
 431
 432     /* Temporary workaround for relative images. */
 433     WikiDocument.prototype.getBase = function() {
 434         return '/media/dynamic/images/' + this.galleryLink + '/';
 435     };
 436
 437         $.wikiapi.WikiDocument = WikiDocument;
 438 })(jQuery);