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 = "/documents";
  19
  20                 if (vname == "ajax_document_text") {
  21                         var path = "/" + arguments[1] + "/text";
  22
  23                 if (arguments[2] !== undefined)
  24                                 path += "/" + arguments[2];
  25
  26                         return base_path + path;
  27                 }
  28
  29                 if (vname == "ajax_document_history") {
  30
  31                         return base_path + "/" + arguments[1] + "/history";
  32                 }
  33
  34                 if (vname == "ajax_document_gallery") {
  35
  36                         return base_path + "/" + arguments[1] + "/gallery";
  37                 }
  38
  39                 if (vname == "ajax_document_diff")
  40                         return base_path + "/" + arguments[1] + "/diff";
  41
  42         if (vname == "ajax_document_rev")
  43             return base_path + "/" + arguments[1] + "/rev";
  44
  45                 if (vname == "ajax_document_addtag")
  46                         return base_path + "/" + arguments[1] + "/tags";
  47
  48                 if (vname == "ajax_publish")
  49                         return base_path + "/" + arguments[1] + "/publish";
  50
  51                 console.log("Couldn't reverse match:", vname);
  52                 return "/404.html";
  53         };
  54
  55         /*
  56          * Document Abstraction
  57          */
  58         function WikiDocument(element_id) {
  59                 var meta = $('#' + element_id);
  60                 this.id = meta.attr('data-document-name');
  61
  62                 this.revision = $("*[data-key='revision']", meta).text();
  63                 this.readonly = !!$("*[data-key='readonly']", meta).text();
  64
  65                 this.galleryLink = $("*[data-key='gallery']", meta).text();
  66                 this.galleryImages = [];
  67                 this.text = null;
  68                 this.has_local_changes = false;
  69                 this._lock = -1;
  70                 this._context_lock = -1;
  71                 this._lock_count = 0;
  72         };
  73
  74         WikiDocument.prototype.triggerDocumentChanged = function() {
  75                 $(document).trigger('wlapi_document_changed', this);
  76         };
  77         /*
  78          * Fetch text of this document.
  79          */
  80         WikiDocument.prototype.fetch = function(params) {
  81                 params = $.extend({}, noops, params);
  82                 var self = this;
  83                 $.ajax({
  84                         method: "GET",
  85                         url: reverse("ajax_document_text", self.id),
  86                         data: {"revision": self.revision},
  87                         dataType: 'json',
  88                         success: function(data) {
  89                                 var changed = false;
  90
  91                                 if (self.text === null || self.revision !== data.revision) {
  92                                         self.text = data.text;
  93                                         self.revision = data.revision;
  94                                         self.gallery = data.gallery;
  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     WikiDocument.prototype.checkRevision = function(params) {
 159         /* this doesn't modify anything, so no locks */
 160         var self = this;
 161         $.ajax({
 162             method: "GET",
 163             url: reverse("ajax_document_rev", self.id),
 164             dataType: 'text',
 165             success: function(data) {
 166                 if (data == '') {
 167                     if (params.error)
 168                         params.error();
 169                 }
 170                 else if (data != self.revision)
 171                     params.outdated();
 172             }
 173         });
 174     };
 175
 176         /*
 177          * Fetch gallery
 178          */
 179         WikiDocument.prototype.refreshGallery = function(params) {
 180                 params = $.extend({}, noops, params);
 181                 var self = this;
 182                 $.ajax({
 183                         method: "GET",
 184                         url: reverse("ajax_document_gallery", self.galleryLink),
 185                         dataType: 'json',
 186                         // data: {},
 187                         success: function(data) {
 188                                 self.galleryImages = data;
 189                                 params['success'](self, data);
 190                         },
 191                         error: function() {
 192                                 self.galleryImages = [];
 193                                 params['failure'](self, "<p>Nie udało się wczytać galerii pod nazwą: '" + self.galleryLink + "'.</p>");
 194                         }
 195                 });
 196         };
 197
 198         /*
 199          * Set document's text
 200          */
 201         WikiDocument.prototype.setText = function(text) {
 202                 this.text = text;
 203                 this.has_local_changes = true;
 204         };
 205
 206         /*
 207          * Set document's gallery link
 208          */
 209         WikiDocument.prototype.setGalleryLink = function(gallery) {
 210                 this.galleryLink = gallery;
 211                 this.has_local_changes = true;
 212         };
 213
 214         /*
 215          * Save text back to the server
 216          */
 217         WikiDocument.prototype.save = function(params) {
 218                 params = $.extend({}, noops, params);
 219                 var self = this;
 220
 221                 if (!self.has_local_changes) {
 222                         console.log("Abort: no changes.");
 223                         return params['success'](self, false, "Nie ma zmian do zapisania.");
 224                 };
 225
 226                 // Serialize form to dictionary
 227                 var data = {};
 228                 $.each(params['form'].serializeArray(), function() {
 229                         data[this.name] = this.value;
 230                 });
 231
 232                 var metaComment = '<!--';
 233                 metaComment += '\n\tgallery:' + self.galleryLink;
 234                 metaComment += '\n-->\n'
 235
 236                 data['textsave-text'] = metaComment + self.text;
 237
 238                 $.ajax({
 239                         url: reverse("ajax_document_text", self.id),
 240                         type: "POST",
 241                         dataType: "json",
 242                         data: data,
 243                         success: function(data) {
 244                                 var changed = false;
 245
 246                 $('#header').removeClass('saving');
 247
 248                                 if (data.text) {
 249                                         self.text = data.text;
 250                                         self.revision = data.revision;
 251                                         self.gallery = data.gallery;
 252                                         changed = true;
 253                                         self.triggerDocumentChanged();
 254                                 };
 255
 256                                 params['success'](self, changed, ((changed && "Udało się zapisać :)") || "Twoja wersja i serwera jest identyczna"));
 257                         },
 258                         error: function(xhr) {
 259                 if ($('#header').hasClass('saving')) {
 260                     $('#header').removeClass('saving');
 261                     $.blockUI({
 262                         message: "<p>Nie udało się zapisać zmian. <br/><button onclick='$.unblockUI()'>OK</button></p>"
 263                     })
 264                 }
 265                 else {
 266                     try {
 267                         params['failure'](self, $.parseJSON(xhr.responseText));
 268                     }
 269                     catch (e) {
 270                         params['failure'](self, {
 271                             "__message": "<p>Nie udało się zapisać - błąd serwera.</p>"
 272                         });
 273                     };
 274                 }
 275
 276                         }
 277                 });
 278
 279         $('#save-hide').click(function(){
 280             $('#header').addClass('saving');
 281             $.unblockUI();
 282             $.wiki.blocking.unblock();
 283         });
 284         }; /* end of save() */
 285
 286         WikiDocument.prototype.publish = function(params) {
 287                 params = $.extend({}, noops, params);
 288                 var self = this;
 289                 $.ajax({
 290                         url: reverse("ajax_publish", self.id),
 291                         type: "POST",
 292                         dataType: "json",
 293                         success: function(data) {
 294                                 params.success(self, data);
 295                         },
 296                         error: function(xhr) {
 297                                 if (xhr.status == 403 || xhr.status == 401) {
 298                                         params.failure(self, "Nie masz uprawnień lub nie jesteś zalogowany.");
 299                                 }
 300                                 else {
 301                                         try {
 302                                                 params.failure(self, xhr.responseText);
 303                                         }
 304                                         catch (e) {
 305                                                 params.failure(self, "Nie udało się - błąd serwera.");
 306                                         };
 307                                 };
 308
 309                         }
 310                 });
 311         };
 312         WikiDocument.prototype.setTag = function(params) {
 313                 params = $.extend({}, noops, params);
 314                 var self = this;
 315                 var data = {
 316                         "addtag-id": self.id,
 317                 };
 318
 319                 /* unpack form */
 320                 $.each(params.form.serializeArray(), function() {
 321                         data[this.name] = this.value;
 322                 });
 323
 324                 $.ajax({
 325                         url: reverse("ajax_document_addtag", self.id),
 326                         type: "POST",
 327                         dataType: "json",
 328                         data: data,
 329                         success: function(data) {
 330                                 params.success(self, data.message);
 331                         },
 332                         error: function(xhr) {
 333                                 if (xhr.status == 403 || xhr.status == 401) {
 334                                         params.failure(self, {
 335                                                 "__all__": ["Nie masz uprawnień lub nie jesteś zalogowany."]
 336                                         });
 337                                 }
 338                                 else {
 339                                         try {
 340                                                 params.failure(self, $.parseJSON(xhr.responseText));
 341                                         }
 342                                         catch (e) {
 343                                                 params.failure(self, {
 344                                                         "__all__": ["Nie udało się - błąd serwera."]
 345                                                 });
 346                                         };
 347                                 };
 348                         }
 349                 });
 350         };
 351
 352         $.wikiapi.WikiDocument = WikiDocument;
 353 })(jQuery);