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