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