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                 this.text = null;
  53                 this.has_local_changes = false;
  54                 this._lock = -1;
  55                 this._context_lock = -1;
  56                 this._lock_count = 0;
  57         };
  58
  59         WikiDocument.prototype.triggerDocumentChanged = function() {
  60                 $(document).trigger('wlapi_document_changed', this);
  61         };
  62         /*
  63          * Fetch text of this document.
  64          */
  65         WikiDocument.prototype.fetch = function(params) {
  66                 params = $.extend({}, noops, params);
  67                 var self = this;
  68                 $.ajax({
  69                         method: "GET",
  70                         url: reverse("ajax_document_text", self.id),
  71                         data: {"commit": self.commit},
  72                         dataType: 'json',
  73                         success: function(data) {
  74                                 var changed = false;
  75
  76                                 if (self.text === null || self.commit !== data.commit) {
  77                                         self.text = data.text;
  78                                         if (self.text === '') {
  79                                             self.text = '<picture></picture>';
  80                                         }
  81                                         self.revision = data.revision;
  82                     self.commit = data.commit;
  83                                         changed = true;
  84                                         self.triggerDocumentChanged();
  85                                 };
  86
  87                                 self.has_local_changes = false;
  88                                 params['success'](self, changed);
  89                         },
  90                         error: function() {
  91                                 params['failure'](self, "Nie udało się wczytać treści dokumentu.");
  92                         }
  93                 });
  94         };
  95         /*
  96          * Fetch history of this document.
  97          *
  98          * from - First revision to fetch (default = 0) upto - Last revision to
  99          * fetch (default = tip)
 100          *
 101          */
 102         WikiDocument.prototype.fetchHistory = function(params) {
 103                 /* this doesn't modify anything, so no locks */
 104                 params = $.extend({}, noops, params);
 105                 var self = this;
 106                 $.ajax({
 107                         method: "GET",
 108                         url: reverse("ajax_document_history", self.id),
 109                         dataType: 'json',
 110                         data: {
 111                                 "from": params['from'],
 112                                 "upto": params['upto']
 113                         },
 114                         success: function(data) {
 115                                 params['success'](self, data);
 116                         },
 117                         error: function() {
 118                                 params['failure'](self, "Nie udało się wczytać historii dokumentu.");
 119                         }
 120                 });
 121         };
 122         WikiDocument.prototype.fetchDiff = function(params) {
 123                 /* this doesn't modify anything, so no locks */
 124                 var self = this;
 125                 params = $.extend({
 126                         'from': self.revision,
 127                         'to': self.revision
 128                 }, noops, params);
 129                 $.ajax({
 130                         method: "GET",
 131                         url: reverse("ajax_document_diff", self.id),
 132                         dataType: 'html',
 133                         data: {
 134                                 "from": params['from'],
 135                                 "to": params['to']
 136                         },
 137                         success: function(data) {
 138                                 params['success'](self, data);
 139                         },
 140                         error: function() {
 141                                 params['failure'](self, "Nie udało się wczytać porównania wersji.");
 142                         }
 143                 });
 144         };
 145
 146         /*
 147          * Set document's text
 148          */
 149         WikiDocument.prototype.setText = function(text) {
 150                 this.text = text;
 151                 this.has_local_changes = true;
 152         };
 153
 154         /*
 155          * Save text back to the server
 156          */
 157         WikiDocument.prototype.save = function(params) {
 158                 params = $.extend({}, noops, params);
 159                 var self = this;
 160
 161                 if (!self.has_local_changes) {
 162                         console.log("Abort: no changes.");
 163                         return params['success'](self, false, "Nie ma zmian do zapisania.");
 164                 };
 165
 166                 // Serialize form to dictionary
 167                 var data = {};
 168                 $.each(params['form'].serializeArray(), function() {
 169                         data[this.name] = this.value;
 170                 });
 171
 172                 data['textsave-text'] = self.text;
 173
 174                 $.ajax({
 175                         url: reverse("ajax_document_text", self.id),
 176                         type: "POST",
 177                         dataType: "json",
 178                         data: data,
 179                         success: function(data) {
 180                                 var changed = false;
 181
 182                 $('#header').removeClass('saving');
 183
 184                                 if (data.text) {
 185                                         self.text = data.text;
 186                                         self.revision = data.revision;
 187                     self.commit = data.commit;
 188                                         changed = true;
 189                                         self.triggerDocumentChanged();
 190                                 };
 191
 192                                 params['success'](self, changed, ((changed && "Udało się zapisać :)") || "Twoja wersja i serwera jest identyczna"));
 193                         },
 194                         error: function(xhr) {
 195                 if ($('#header').hasClass('saving')) {
 196                     $('#header').removeClass('saving');
 197                     $.blockUI({
 198                         message: "<p>Nie udało się zapisać zmian. <br/><button onclick='$.unblockUI()'>OK</button></p>"
 199                     })
 200                 }
 201                 else {
 202                     try {
 203                         params['failure'](self, $.parseJSON(xhr.responseText));
 204                     }
 205                     catch (e) {
 206                         params['failure'](self, {
 207                             "__message": "<p>Nie udało się zapisać - błąd serwera.</p>"
 208                         });
 209                     };
 210                 }
 211
 212                         }
 213                 });
 214
 215         $('#save-hide').click(function(){
 216             $('#header').addClass('saving');
 217             $.unblockUI();
 218             $.wiki.blocking.unblock();
 219         });
 220         }; /* end of save() */
 221
 222     WikiDocument.prototype.revertToVersion = function(params) {
 223         var self = this;
 224         params = $.extend({}, noops, params);
 225
 226         if (params.revision >= this.revision) {
 227             params.failure(self, 'Proszę wybrać rewizję starszą niż aktualna.');
 228             return;
 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         $.ajax({
 238             url: reverse("ajax_document_revert", self.id),
 239             type: "POST",
 240             dataType: "json",
 241             data: data,
 242             success: function(data) {
 243                 if (data.text) {
 244                     self.text = data.text;
 245                     self.revision = data.revision;
 246                     self.gallery = data.gallery;
 247                     self.triggerDocumentChanged();
 248
 249                     params.success(self, "Udało się przywrócić wersję :)");
 250                 }
 251                 else {
 252                     params.failure(self, "Przywracana wersja identyczna z aktualną. Anulowano przywracanie.");
 253                 }
 254             },
 255             error: function(xhr) {
 256                 params.failure(self, "Nie udało się przywrócić wersji - błąd serwera.");
 257             }
 258         });
 259     };
 260
 261         WikiDocument.prototype.pubmark = function(params) {
 262                 params = $.extend({}, noops, params);
 263                 var self = this;
 264                 var data = {
 265                         "pubmark-id": self.id,
 266                 };
 267
 268                 /* unpack form */
 269                 $.each(params.form.serializeArray(), function() {
 270                         data[this.name] = this.value;
 271                 });
 272
 273                 $.ajax({
 274                         url: reverse("ajax_document_pubmark", self.id),
 275                         type: "POST",
 276                         dataType: "json",
 277                         data: data,
 278                         success: function(data) {
 279                                 params.success(self, data.message);
 280                         },
 281                         error: function(xhr) {
 282                                 if (xhr.status == 403 || xhr.status == 401) {
 283                                         params.failure(self, {
 284                                                 "__all__": ["Nie masz uprawnień lub nie jesteś zalogowany."]
 285                                         });
 286                                 }
 287                                 else {
 288                                         try {
 289                                                 params.failure(self, $.parseJSON(xhr.responseText));
 290                                         }
 291                                         catch (e) {
 292                                                 params.failure(self, {
 293                                                         "__all__": ["Nie udało się - błąd serwera."]
 294                                                 });
 295                                         };
 296                                 };
 297                         }
 298                 });
 299         };
 300
 301
 302
 303     WikiDocument.prototype.getImageItems = function(tag) {
 304         var self = this;
 305
 306         var parser = new DOMParser();
 307         var doc = parser.parseFromString(self.text, 'text/xml');
 308         var error = $('parsererror', doc);
 309
 310         if (error.length != 0) {
 311             return null;
 312         }
 313
 314         var a = [];
 315         $('sem[type="'+tag+'"]', doc).each(function(i, e) {
 316             var $e = $(e);
 317             var $div = $e.children().first()
 318             var value = $e.attr(tag);
 319             $e.find('div').each(function(i, div) {
 320                 var $div = $(div);
 321                 switch ($div.attr('type')) {
 322                     case 'rect':
 323                         a.push([
 324                             value,
 325                             $div.attr('x1'),
 326                             $div.attr('y1'),
 327                             $div.attr('x2'),
 328                             $div.attr('y2')
 329                         ]);
 330                         break;
 331                     case 'whole':
 332                         a.push([
 333                             value,
 334                             null, null, null, null
 335                         ]);
 336                         break
 337                 }
 338             });
 339         });
 340
 341         return a;
 342     }
 343
 344     WikiDocument.prototype.setImageItems = function(tag, items) {
 345         var self = this;
 346
 347         var parser = new DOMParser();
 348         var doc = parser.parseFromString(self.text, 'text/xml');
 349         var serializer = new XMLSerializer();
 350         var error = $('parsererror', doc);
 351
 352         if (error.length != 0) {
 353             return null;
 354         }
 355
 356         $('sem[type="'+tag+'"]', doc).remove();
 357         $root = $(doc.firstChild);
 358         $.each(items, function(i, e) {
 359             var $sem = $(doc.createElement("sem"));
 360             $sem.attr('type', tag);
 361             $sem.attr(tag, e[0]);
 362             $div = $(doc.createElement("div"));
 363             if (e[1]) {
 364                 $div.attr('type', 'rect');
 365                 $div.attr('x1', e[1]);
 366                 $div.attr('y1', e[2]);
 367                 $div.attr('x2', e[3]);
 368                 $div.attr('y2', e[4]);
 369             }
 370             else {
 371                 $div.attr('type', 'whole');
 372             }
 373             $sem.append($div);
 374             $root.append($sem);
 375         });
 376         self.setText(XML(serializer.serializeToString(doc)).toXMLString());
 377     }
 378
 379
 380         $.wikiapi.WikiDocument = WikiDocument;
 381 })(jQuery);
 382
 383
 384
 385 // Wykonuje block z załadowanymi kanonicznymi motywami
 386 function withThemes(code_block, onError)
 387 {
 388     if (typeof withThemes.canon == 'undefined') {
 389         $.ajax({
 390             url: '/editor/themes',
 391             dataType: 'text',
 392             success: function(data) {
 393                 withThemes.canon = data.split('\n');
 394                 code_block(withThemes.canon);
 395             },
 396             error: function() {
 397                 withThemes.canon = null;
 398                 code_block(withThemes.canon);
 399             }
 400         })
 401     }
 402     else {
 403         code_block(withThemes.canon);
 404     }
 405 }
 406