src/redakcja/static/js/wiki_img/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 = "/images";
  19
  20                 if (vname == "ajax_document_text")
  21                     return base_path + "/text/" + arguments[1] + "/";
  22
  23
  24         if (vname == "ajax_document_revert") {
  25             return base_path + "/revert/" + arguments[1] + '/';
  26         }
  27
  28                 if (vname == "ajax_document_history") {
  29                         return base_path + "/history/" + arguments[1] + '/';
  30                 }
  31
  32                 if (vname == "ajax_document_diff")
  33                         return base_path + "/diff/" + arguments[1] + '/';
  34
  35                 if (vname == "ajax_document_pubmark")
  36                         return base_path + "/pubmark/" + arguments[1] + '/';
  37
  38                 console.log("Couldn't reverse match:", vname);
  39                 return "/404.html";
  40         };
  41
  42         /*
  43          * Document Abstraction
  44          */
  45         function WikiDocument(element_id) {
  46                 var meta = $('#' + element_id);
  47                 this.id = meta.attr('data-object-id');
  48
  49                 this.revision = $("*[data-key='revision']", meta).text();
  50                 this.readonly = !!$("*[data-key='readonly']", meta).text();
  51
  52         var diff = $("*[data-key='diff']", meta).text();
  53         if (diff) {
  54             diff = diff.split(',');
  55             if (diff.length == 2 && diff[0] < diff[1])
  56                 this.diff = diff;
  57             else if (diff.length == 1) {
  58                 diff = parseInt(diff);
  59                 if (diff != NaN)
  60                     this.diff = [diff - 1, diff];
  61             }
  62         }
  63
  64                 this.text = null;
  65                 this.has_local_changes = false;
  66                 this._lock = -1;
  67                 this._context_lock = -1;
  68                 this._lock_count = 0;
  69         };
  70
  71         WikiDocument.prototype.triggerDocumentChanged = function() {
  72                 $(document).trigger('wlapi_document_changed', this);
  73         };
  74         /*
  75          * Fetch text of this document.
  76          */
  77         WikiDocument.prototype.fetch = function(params) {
  78                 params = $.extend({}, noops, params);
  79                 var self = this;
  80                 $.ajax({
  81                         method: "GET",
  82                         url: reverse("ajax_document_text", self.id),
  83                         data: {"revision": self.revision},
  84                         dataType: 'json',
  85                         success: function(data) {
  86                                 var changed = false;
  87
  88                                 if (self.text === null || self.revision !== data.revision) {
  89                                         self.text = data.text;
  90                                         if (self.text === '') {
  91                                             self.text = '<picture></picture>';
  92                                         }
  93                                         self.revision = data.revision;
  94 //                    self.commit = data.commit;
  95                                         changed = true;
  96                                         self.triggerDocumentChanged();
  97                                 };
  98
  99                                 self.has_local_changes = false;
 100                                 params['success'](self, changed);
 101                         },
 102                         error: function() {
 103                                 params['failure'](self, "Nie udało się wczytać treści dokumentu.");
 104                         }
 105                 });
 106         };
 107         /*
 108          * Fetch history of this document.
 109          *
 110          * from - First revision to fetch (default = 0) upto - Last revision to
 111          * fetch (default = tip)
 112          *
 113          */
 114         WikiDocument.prototype.fetchHistory = function(params) {
 115                 /* this doesn't modify anything, so no locks */
 116                 params = $.extend({}, noops, params);
 117                 var self = this;
 118                 $.ajax({
 119                         method: "GET",
 120                         url: reverse("ajax_document_history", self.id),
 121                         dataType: 'json',
 122                         data: {
 123                                 "from": params['from'],
 124                                 "upto": params['upto']
 125                         },
 126                         success: function(data) {
 127                                 params['success'](self, data);
 128                         },
 129                         error: function() {
 130                                 params['failure'](self, "Nie udało się wczytać historii dokumentu.");
 131                         }
 132                 });
 133         };
 134         WikiDocument.prototype.fetchDiff = function(params) {
 135                 /* this doesn't modify anything, so no locks */
 136                 var self = this;
 137                 params = $.extend({
 138                         'from': self.revision,
 139                         'to': self.revision
 140                 }, noops, params);
 141                 $.ajax({
 142                         method: "GET",
 143                         url: reverse("ajax_document_diff", self.id),
 144                         dataType: 'html',
 145                         data: {
 146                                 "from": params['from'],
 147                                 "to": params['to']
 148                         },
 149                         success: function(data) {
 150                                 params['success'](self, data);
 151                         },
 152                         error: function() {
 153                                 params['failure'](self, "Nie udało się wczytać porównania wersji.");
 154                         }
 155                 });
 156         };
 157
 158         /*
 159          * Set document's text
 160          */
 161         WikiDocument.prototype.setText = function(text) {
 162                 this.text = text;
 163                 this.has_local_changes = true;
 164         };
 165
 166         /*
 167          * Save text back to the server
 168          */
 169         WikiDocument.prototype.save = function(params) {
 170                 params = $.extend({}, noops, params);
 171                 var self = this;
 172
 173                 if (!self.has_local_changes) {
 174                         console.log("Abort: no changes.");
 175                         return params['success'](self, false, "Nie ma zmian do zapisania.");
 176                 };
 177
 178                 // Serialize form to dictionary
 179                 var data = {};
 180                 $.each(params['form'].serializeArray(), function() {
 181                         data[this.name] = this.value;
 182                 });
 183
 184                 data['textsave-text'] = self.text;
 185
 186                 $.ajax({
 187                         url: reverse("ajax_document_text", self.id),
 188                         type: "POST",
 189                         dataType: "json",
 190                         data: data,
 191                         success: function(data) {
 192                                 var changed = false;
 193
 194                 $('#header').removeClass('saving');
 195
 196                                 if (data.text) {
 197                                         self.text = data.text;
 198                                         self.revision = data.revision;
 199 //                    self.commit = data.commit;
 200                                         changed = true;
 201                                         self.triggerDocumentChanged();
 202                                 };
 203
 204                                 params['success'](self, changed, ((changed && "Udało się zapisać :)") || "Twoja wersja i serwera jest identyczna"));
 205                         },
 206                         error: function(xhr) {
 207                 if ($('#header').hasClass('saving')) {
 208                     $('#header').removeClass('saving');
 209                     $.blockUI({
 210                         message: "<p>Nie udało się zapisać zmian. <br/><button onclick='$.unblockUI()'>OK</button></p>"
 211                     })
 212                 }
 213                 else {
 214                     try {
 215                         params['failure'](self, $.parseJSON(xhr.responseText));
 216                     }
 217                     catch (e) {
 218                         params['failure'](self, {
 219                             "__message": "<p>Nie udało się zapisać - błąd serwera.</p>"
 220                         });
 221                     };
 222                 }
 223
 224                         }
 225                 });
 226
 227         $('#save-hide').click(function(){
 228             $('#header').addClass('saving');
 229             $.unblockUI();
 230             $.wiki.blocking.unblock();
 231         });
 232         }; /* end of save() */
 233
 234     WikiDocument.prototype.revertToVersion = function(params) {
 235         var self = this;
 236         params = $.extend({}, noops, params);
 237
 238         if (params.revision >= this.revision) {
 239             params.failure(self, 'Proszę wybrać rewizję starszą niż aktualna.');
 240             return;
 241         }
 242
 243         // Serialize form to dictionary
 244         var data = {};
 245         $.each(params['form'].serializeArray(), function() {
 246             data[this.name] = this.value;
 247         });
 248
 249         $.ajax({
 250             url: reverse("ajax_document_revert", self.id),
 251             type: "POST",
 252             dataType: "json",
 253             data: data,
 254             success: function(data) {
 255                 if (data.text) {
 256                     self.text = data.text;
 257                     self.revision = data.revision;
 258                     self.gallery = data.gallery;
 259                     self.triggerDocumentChanged();
 260
 261                     params.success(self, "Udało się przywrócić wersję :)");
 262                 }
 263                 else {
 264                     params.failure(self, "Przywracana wersja identyczna z aktualną. Anulowano przywracanie.");
 265                 }
 266             },
 267             error: function(xhr) {
 268                 params.failure(self, "Nie udało się przywrócić wersji - błąd serwera.");
 269             }
 270         });
 271     };
 272
 273         WikiDocument.prototype.pubmark = function(params) {
 274                 params = $.extend({}, noops, params);
 275                 var self = this;
 276                 var data = {
 277                         "pubmark-id": self.id,
 278                 };
 279
 280                 /* unpack form */
 281                 $.each(params.form.serializeArray(), function() {
 282                         data[this.name] = this.value;
 283                 });
 284
 285                 $.ajax({
 286                         url: reverse("ajax_document_pubmark", self.id),
 287                         type: "POST",
 288                         dataType: "json",
 289                         data: data,
 290                         success: function(data) {
 291                                 params.success(self, data.message);
 292                         },
 293                         error: function(xhr) {
 294                                 if (xhr.status == 403 || xhr.status == 401) {
 295                                         params.failure(self, {
 296                                                 "__all__": ["Nie masz uprawnień lub nie jesteś zalogowany."]
 297                                         });
 298                                 }
 299                                 else {
 300                                         try {
 301                                                 params.failure(self, $.parseJSON(xhr.responseText));
 302                                         }
 303                                         catch (e) {
 304                                                 params.failure(self, {
 305                                                         "__all__": ["Nie udało się - błąd serwera."]
 306                                                 });
 307                                         };
 308                                 };
 309                         }
 310                 });
 311         };
 312
 313
 314
 315     WikiDocument.prototype.getImageItems = function(tag) {
 316         var self = this;
 317
 318         var parser = new DOMParser();
 319         var doc = parser.parseFromString(self.text, 'text/xml');
 320         var error = $('parsererror', doc);
 321
 322         if (error.length != 0) {
 323             return null;
 324         }
 325
 326         var a = [];
 327         $('sem[type="'+tag+'"]', doc).each(function(i, e) {
 328             var $e = $(e);
 329             var $div = $e.children().first()
 330             var value = $e.attr(tag);
 331             $e.find('div').each(function(i, div) {
 332                 var $div = $(div);
 333                 switch ($div.attr('type')) {
 334                     case 'rect':
 335                         a.push([
 336                             value,
 337                             $div.attr('x1'),
 338                             $div.attr('y1'),
 339                             $div.attr('x2'),
 340                             $div.attr('y2')
 341                         ]);
 342                         break;
 343                     case 'whole':
 344                         a.push([
 345                             value,
 346                             null, null, null, null
 347                         ]);
 348                         break
 349                 }
 350             });
 351         });
 352
 353         return a;
 354     }
 355
 356     WikiDocument.prototype.setImageItems = function(tag, items) {
 357         var self = this;
 358
 359         var parser = new DOMParser();
 360         var doc = parser.parseFromString(self.text, 'text/xml');
 361         var serializer = new XMLSerializer();
 362         var error = $('parsererror', doc);
 363
 364         if (error.length != 0) {
 365             return null;
 366         }
 367
 368         $('sem[type="'+tag+'"]', doc).remove();
 369         $root = $(doc.firstChild);
 370         $.each(items, function(i, e) {
 371             var $sem = $(doc.createElement("sem"));
 372             $sem.attr('type', tag);
 373             $sem.attr(tag, e[0]);
 374             $div = $(doc.createElement("div"));
 375             if (e[1]) {
 376                 $div.attr('type', 'rect');
 377                 $div.attr('x1', e[1]);
 378                 $div.attr('y1', e[2]);
 379                 $div.attr('x2', e[3]);
 380                 $div.attr('y2', e[4]);
 381             }
 382             else {
 383                 $div.attr('type', 'whole');
 384             }
 385             $sem.append($div);
 386             $root.append($sem);
 387         });
 388         self.setText(serializer.serializeToString(doc));
 389     }
 390
 391
 392         $.wikiapi.WikiDocument = WikiDocument;
 393 })(jQuery);