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 = "/documents";
  19
  20                 if (vname == "ajax_document_text") {
  21                         var path = "/" + arguments[1] + "/text";
  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 + "/" + arguments[1] + "/revert";
  31         }
  32
  33
  34                 if (vname == "ajax_document_history") {
  35
  36                         return base_path + "/" + arguments[1] + "/history";
  37                 }
  38
  39                 if (vname == "ajax_document_gallery") {
  40
  41                         return base_path + "/" + arguments[1] + "/gallery";
  42                 }
  43
  44                 if (vname == "ajax_document_diff")
  45                         return base_path + "/" + arguments[1] + "/diff";
  46
  47         if (vname == "ajax_document_rev")
  48             return base_path + "/" + arguments[1] + "/rev";
  49
  50                 if (vname == "ajax_document_addtag")
  51                         return base_path + "/" + arguments[1] + "/tags";
  52
  53                 if (vname == "ajax_publish")
  54                         return base_path + "/" + arguments[1] + "/publish";
  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-document-name');
  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.galleryImages = [];
  72                 this.text = null;
  73                 this.has_local_changes = false;
  74                 this._lock = -1;
  75                 this._context_lock = -1;
  76                 this._lock_count = 0;
  77         };
  78
  79         WikiDocument.prototype.triggerDocumentChanged = function() {
  80                 $(document).trigger('wlapi_document_changed', this);
  81         };
  82         /*
  83          * Fetch text of this document.
  84          */
  85         WikiDocument.prototype.fetch = function(params) {
  86                 params = $.extend({}, noops, params);
  87                 var self = this;
  88                 $.ajax({
  89                         method: "GET",
  90                         url: reverse("ajax_document_text", self.id),
  91                         data: {"revision": self.revision},
  92                         dataType: 'json',
  93                         success: function(data) {
  94                                 var changed = false;
  95
  96                                 if (self.text === null || self.revision !== data.revision) {
  97                                         self.text = data.text;
  98                                         self.revision = data.revision;
  99                                         self.gallery = data.gallery;
 100                                         changed = true;
 101                                         self.triggerDocumentChanged();
 102                                 };
 103
 104                                 self.has_local_changes = false;
 105                                 params['success'](self, changed);
 106                         },
 107                         error: function() {
 108                                 params['failure'](self, "Nie udało się wczytać treści dokumentu.");
 109                         }
 110                 });
 111         };
 112         /*
 113          * Fetch history of this document.
 114          *
 115          * from - First revision to fetch (default = 0) upto - Last revision to
 116          * fetch (default = tip)
 117          *
 118          */
 119         WikiDocument.prototype.fetchHistory = function(params) {
 120                 /* this doesn't modify anything, so no locks */
 121                 params = $.extend({}, noops, params);
 122                 var self = this;
 123                 $.ajax({
 124                         method: "GET",
 125                         url: reverse("ajax_document_history", self.id),
 126                         dataType: 'json',
 127                         data: {
 128                                 "from": params['from'],
 129                                 "upto": params['upto']
 130                         },
 131                         success: function(data) {
 132                                 params['success'](self, data);
 133                         },
 134                         error: function() {
 135                                 params['failure'](self, "Nie udało się wczytać historii dokumentu.");
 136                         }
 137                 });
 138         };
 139         WikiDocument.prototype.fetchDiff = function(params) {
 140                 /* this doesn't modify anything, so no locks */
 141                 var self = this;
 142                 params = $.extend({
 143                         'from': self.revision,
 144                         'to': self.revision
 145                 }, noops, params);
 146                 $.ajax({
 147                         method: "GET",
 148                         url: reverse("ajax_document_diff", self.id),
 149                         dataType: 'html',
 150                         data: {
 151                                 "from": params['from'],
 152                                 "to": params['to']
 153                         },
 154                         success: function(data) {
 155                                 params['success'](self, data);
 156                         },
 157                         error: function() {
 158                                 params['failure'](self, "Nie udało się wczytać porównania wersji.");
 159                         }
 160                 });
 161         };
 162
 163     WikiDocument.prototype.checkRevision = function(params) {
 164         /* this doesn't modify anything, so no locks */
 165         var self = this;
 166         $.ajax({
 167             method: "GET",
 168             url: reverse("ajax_document_rev", self.id),
 169             dataType: 'text',
 170             success: function(data) {
 171                 if (data == '') {
 172                     if (params.error)
 173                         params.error();
 174                 }
 175                 else if (data != self.revision)
 176                     params.outdated();
 177             }
 178         });
 179     };
 180
 181         /*
 182          * Fetch gallery
 183          */
 184         WikiDocument.prototype.refreshGallery = function(params) {
 185                 params = $.extend({}, noops, params);
 186                 var self = this;
 187                 $.ajax({
 188                         method: "GET",
 189                         url: reverse("ajax_document_gallery", self.galleryLink),
 190                         dataType: 'json',
 191                         // data: {},
 192                         success: function(data) {
 193                                 self.galleryImages = data;
 194                                 params['success'](self, data);
 195                         },
 196                         error: function() {
 197                                 self.galleryImages = [];
 198                                 params['failure'](self, "<p>Nie udało się wczytać galerii pod nazwą: '" + self.galleryLink + "'.</p>");
 199                         }
 200                 });
 201         };
 202
 203         /*
 204          * Set document's text
 205          */
 206         WikiDocument.prototype.setText = function(text) {
 207                 this.text = text;
 208                 this.has_local_changes = true;
 209         };
 210
 211         /*
 212          * Set document's gallery link
 213          */
 214         WikiDocument.prototype.setGalleryLink = function(gallery) {
 215                 this.galleryLink = gallery;
 216                 this.has_local_changes = true;
 217         };
 218
 219         /*
 220          * Save text back to the server
 221          */
 222         WikiDocument.prototype.save = function(params) {
 223                 params = $.extend({}, noops, params);
 224                 var self = this;
 225
 226                 if (!self.has_local_changes) {
 227                         console.log("Abort: no changes.");
 228                         return params['success'](self, false, "Nie ma zmian do zapisania.");
 229                 };
 230
 231                 // Serialize form to dictionary
 232                 var data = {};
 233                 $.each(params['form'].serializeArray(), function() {
 234                         data[this.name] = this.value;
 235                 });
 236
 237                 var metaComment = '<!--';
 238                 metaComment += '\n\tgallery:' + self.galleryLink;
 239                 metaComment += '\n-->\n'
 240
 241                 data['textsave-text'] = metaComment + self.text;
 242
 243                 $.ajax({
 244                         url: reverse("ajax_document_text", self.id),
 245                         type: "POST",
 246                         dataType: "json",
 247                         data: data,
 248                         success: function(data) {
 249                                 var changed = false;
 250
 251                 $('#header').removeClass('saving');
 252
 253                                 if (data.text) {
 254                                         self.text = data.text;
 255                                         self.revision = data.revision;
 256                                         self.gallery = data.gallery;
 257                                         changed = true;
 258                                         self.triggerDocumentChanged();
 259                                 };
 260
 261                                 params['success'](self, changed, ((changed && "Udało się zapisać :)") || "Twoja wersja i serwera jest identyczna"));
 262                         },
 263                         error: function(xhr) {
 264                 if ($('#header').hasClass('saving')) {
 265                     $('#header').removeClass('saving');
 266                     $.blockUI({
 267                         message: "<p>Nie udało się zapisać zmian. <br/><button onclick='$.unblockUI()'>OK</button></p>"
 268                     })
 269                 }
 270                 else {
 271                     try {
 272                         params['failure'](self, $.parseJSON(xhr.responseText));
 273                     }
 274                     catch (e) {
 275                         params['failure'](self, {
 276                             "__message": "<p>Nie udało się zapisać - błąd serwera.</p>"
 277                         });
 278                     };
 279                 }
 280
 281                         }
 282                 });
 283
 284         $('#save-hide').click(function(){
 285             $('#header').addClass('saving');
 286             $.unblockUI();
 287             $.wiki.blocking.unblock();
 288         });
 289         }; /* end of save() */
 290
 291     WikiDocument.prototype.revertToVersion = function(params) {
 292         var self = this;
 293         params = $.extend({}, noops, params);
 294
 295         if (params.revision >= this.revision) {
 296             params.failure(self, 'Proszę wybrać rewizję starszą niż aktualna.');
 297             return;
 298         }
 299
 300         // Serialize form to dictionary
 301         var data = {};
 302         $.each(params['form'].serializeArray(), function() {
 303             data[this.name] = this.value;
 304         });
 305
 306         $.ajax({
 307             url: reverse("ajax_document_revert", self.id),
 308             type: "POST",
 309             dataType: "json",
 310             data: data,
 311             success: function(data) {
 312                 if (data.text) {
 313                     self.text = data.text;
 314                     self.revision = data.revision;
 315                     self.gallery = data.gallery;
 316                     self.triggerDocumentChanged();
 317
 318                     params.success(self, "Udało się przywrócić wersję :)");
 319                 }
 320                 else {
 321                     params.failure(self, "Przywracana wersja identyczna z aktualną. Anulowano przywracanie.");
 322                 }
 323             },
 324             error: function(xhr) {
 325                 params.failure(self, "Nie udało się przywrócić wersji - błąd serwera.");
 326             }
 327         });
 328     };
 329
 330         WikiDocument.prototype.publish = function(params) {
 331                 params = $.extend({}, noops, params);
 332                 var self = this;
 333                 $.ajax({
 334                         url: reverse("ajax_publish", self.id),
 335                         type: "POST",
 336                         dataType: "json",
 337                         success: function(data) {
 338                                 params.success(self, data);
 339                         },
 340                         error: function(xhr) {
 341                                 if (xhr.status == 403 || xhr.status == 401) {
 342                                         params.failure(self, "Nie masz uprawnień lub nie jesteś zalogowany.");
 343                                 }
 344                                 else {
 345                                         try {
 346                                                 params.failure(self, xhr.responseText);
 347                                         }
 348                                         catch (e) {
 349                                                 params.failure(self, "Nie udało się - błąd serwera.");
 350                                         };
 351                                 };
 352
 353                         }
 354                 });
 355         };
 356         WikiDocument.prototype.setTag = function(params) {
 357                 params = $.extend({}, noops, params);
 358                 var self = this;
 359                 var data = {
 360                         "addtag-id": self.id,
 361                 };
 362
 363                 /* unpack form */
 364                 $.each(params.form.serializeArray(), function() {
 365                         data[this.name] = this.value;
 366                 });
 367
 368                 $.ajax({
 369                         url: reverse("ajax_document_addtag", self.id),
 370                         type: "POST",
 371                         dataType: "json",
 372                         data: data,
 373                         success: function(data) {
 374                                 params.success(self, data.message);
 375                         },
 376                         error: function(xhr) {
 377                                 if (xhr.status == 403 || xhr.status == 401) {
 378                                         params.failure(self, {
 379                                                 "__all__": ["Nie masz uprawnień lub nie jesteś zalogowany."]
 380                                         });
 381                                 }
 382                                 else {
 383                                         try {
 384                                                 params.failure(self, $.parseJSON(xhr.responseText));
 385                                         }
 386                                         catch (e) {
 387                                                 params.failure(self, {
 388                                                         "__all__": ["Nie udało się - błąd serwera."]
 389                                                 });
 390                                         };
 391                                 };
 392                         }
 393                 });
 394         };
 395
 396     WikiDocument.prototype.getLength = function(params) {
 397         var xml = this.text.replace(/\/(\s+)/g, '<br />$1');
 398         var parser = new DOMParser();
 399         var doc = parser.parseFromString(xml, 'text/xml');
 400         var error = $('parsererror', doc);
 401
 402         if (error.length > 0) {
 403             throw "Not an XML document.";
 404         }
 405         $.xmlns["rdf"] = "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
 406         $('rdf|RDF, motyw, pa, pe, pr, pt', doc).remove();
 407         var text = $(doc).text();
 408         text = $.trim(text.replace(/\s{2,}/g, ' '));
 409         return text.length;
 410     }
 411
 412
 413         $.wikiapi.WikiDocument = WikiDocument;
 414 })(jQuery);