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