platforma/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.
  11          * (at least he have it 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 + "/gallery/" + arguments[1];
  37                 }
  38
  39                 if (vname == "ajax_document_diff")
  40                         return base_path + "/" + arguments[1] + "/diff";
  41
  42                 if (vname == "ajax_document_addtag")
  43                         return base_path + "/" + arguments[1] + "/tags";
  44
  45                 if (vname == "ajax_publish")
  46                         return base_path + "/" + arguments[1] + "/publish";
  47
  48                 console.log("Couldn't reverse match:", vname);
  49                 return "/404.html";
  50         };
  51
  52         /*
  53          * Document Abstraction
  54          */
  55         function WikiDocument(element_id) {
  56                 var meta = $('#' + element_id);
  57                 this.id = meta.attr('data-document-name');
  58
  59                 this.revision = $("*[data-key='revision']", meta).text();
  60                 this.readonly = !!$("*[data-key='readonly']", meta).text();
  61
  62                 this.galleryLink = $("*[data-key='gallery']", meta).text();
  63                 this.galleryImages = [];
  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                                         self.revision = data.revision;
  91                                         self.gallery = data.gallery;
  92                                         changed = true;
  93                                         self.triggerDocumentChanged();
  94                                 };
  95
  96                                 self.has_local_changes = false;
  97                                 params['success'](self, changed);
  98                         },
  99                         error: function() {
 100                                 params['failure'](self, "Nie udało się wczytać treści dokumentu.");
 101                         }
 102                 });
 103         };
 104         /*
 105          * Fetch history of this document.
 106          *
 107          * from - First revision to fetch (default = 0)
 108          * upto - Last revision to fetch (default = tip)
 109          *
 110          */
 111         WikiDocument.prototype.fetchHistory = function(params) {
 112                 /* this doesn't modify anything, so no locks */
 113                 params = $.extend({}, noops, params);
 114                 var self = this;
 115                 $.ajax({
 116                         method: "GET",
 117                         url: reverse("ajax_document_history", self.id),
 118                         dataType: 'json',
 119                         data: {
 120                                 "from": params['from'],
 121                                 "upto": params['upto']
 122                         },
 123                         success: function(data) {
 124                                 params['success'](self, data);
 125                         },
 126                         error: function() {
 127                                 params['failure'](self, "Nie udało się wczytać historii dokumentu.");
 128                         }
 129                 });
 130         };
 131         WikiDocument.prototype.fetchDiff = function(params) {
 132                 /* this doesn't modify anything, so no locks */
 133                 var self = this;
 134                 params = $.extend({
 135                         'from': self.revision,
 136                         'to': self.revision
 137                 }, noops, params);
 138                 $.ajax({
 139                         method: "GET",
 140                         url: reverse("ajax_document_diff", self.id),
 141                         dataType: 'html',
 142                         data: {
 143                                 "from": params['from'],
 144                                 "to": params['to']
 145                         },
 146                         success: function(data) {
 147                                 params['success'](self, data);
 148                         },
 149                         error: function() {
 150                                 params['failure'](self, "Nie udało się wczytać porównania wersji.");
 151                         }
 152                 });
 153         };
 154
 155         /*
 156          * Fetch gallery
 157          */
 158         WikiDocument.prototype.refreshGallery = function(params) {
 159                 params = $.extend({}, noops, params);
 160                 var self = this;
 161                 $.ajax({
 162                         method: "GET",
 163                         url: reverse("ajax_document_gallery", self.galleryLink),
 164                         dataType: 'json',
 165                         // data: {},
 166                         success: function(data) {
 167                                 self.galleryImages = data;
 168                                 params['success'](self, data);
 169                         },
 170                         error: function() {
 171                                 self.galleryImages = [];
 172                                 params['failure'](self, "<p>Nie udało się wczytać gallerii pod nazwą: '" + self.galleryLink + "'.</p>");
 173                         }
 174                 });
 175         };
 176
 177         /*
 178          * Set document's text
 179          */
 180         WikiDocument.prototype.setText = function(text) {
 181                 this.text = text;
 182                 this.has_local_changes = true;
 183         };
 184
 185         /*
 186          * Set document's gallery link
 187          */
 188         WikiDocument.prototype.setGalleryLink = function(gallery) {
 189                 this.galleryLink = gallery;
 190                 this.has_local_changes = true;
 191         };
 192
 193         /*
 194          * Save text back to the server
 195          */
 196         WikiDocument.prototype.save = function(params) {
 197                 params = $.extend({}, noops, params);
 198                 var self = this;
 199
 200                 if (!self.has_local_changes) {
 201                         console.log("Abort: no changes.");
 202                         return params['success'](self, false, "Nie ma zmian do zapisania.");
 203                 };
 204
 205                 // Serialize form to dictionary
 206                 var data = {};
 207                 $.each(params['form'].serializeArray(), function() {
 208                         data[this.name] = this.value;
 209                 });
 210
 211                 var metaComment = '<!--';
 212                 metaComment += '\n\tgallery:' + self.galleryLink;
 213                 metaComment += '\n-->\n'
 214
 215                 data['textsave-text'] = metaComment + self.text;
 216
 217                 $.ajax({
 218                         url: reverse("ajax_document_text", self.id),
 219                         type: "POST",
 220                         dataType: "json",
 221                         data: data,
 222                         success: function(data) {
 223                                 var changed = false;
 224
 225                                 if (data.text) {
 226                                         self.text = data.text;
 227                                         self.revision = data.revision;
 228                                         self.gallery = data.gallery;
 229                                         changed = true;
 230                                         self.triggerDocumentChanged();
 231                                 };
 232
 233                                 params['success'](self, changed, ((changed && "Udało się zapisać :)") || "Twoja wersja i serwera jest identyczna"));
 234                         },
 235                         error: function(xhr) {
 236                                 try {
 237                                         params['failure'](self, $.parseJSON(xhr.responseText));
 238                                 }
 239                                 catch (e) {
 240                                         params['failure'](self, {
 241                                                 "__message": "<p>Nie udało się zapisać - błąd serwera.</p>"
 242                                         });
 243                                 };
 244
 245                         }
 246                 });
 247         }; /* end of save() */
 248
 249         WikiDocument.prototype.publish = function(params) {
 250                 params = $.extend({}, noops, params);
 251                 var self = this;
 252                 $.ajax({
 253                         url: reverse("ajax_publish", self.id),
 254                         type: "POST",
 255                         dataType: "json",
 256                         success: function(data) {
 257                                 params.success(self, data);
 258                         },
 259                         error: function(xhr) {
 260                                 if (xhr.status == 403 || xhr.status == 401) {
 261                                         params.failure(self, "Nie masz uprawnień lub nie jesteś zalogowany.");
 262                                 }
 263                                 else {
 264                                         try {
 265                                                 params.failure(self, xhr.responseText);
 266                                         }
 267                                         catch (e) {
 268                                                 params.failure(self, "Nie udało się - błąd serwera.");
 269                                         };
 270                                 };
 271
 272                         }
 273                 });
 274         };
 275         WikiDocument.prototype.setTag = function(params) {
 276                 params = $.extend({}, noops, params);
 277                 var self = this;
 278                 var data = {
 279                         "addtag-id": self.id,
 280                 };
 281
 282                 /* unpack form */
 283                 $.each(params.form.serializeArray(), function() {
 284                         data[this.name] = this.value;
 285                 });
 286
 287                 $.ajax({
 288                         url: reverse("ajax_document_addtag", self.id),
 289                         type: "POST",
 290                         dataType: "json",
 291                         data: data,
 292                         success: function(data) {
 293                                 params.success(self, data.message);
 294                         },
 295                         error: function(xhr) {
 296                                 if (xhr.status == 403 || xhr.status == 401) {
 297                                         params.failure(self, {
 298                                                 "__all__": ["Nie masz uprawnień lub nie jesteś zalogowany."]
 299                                         });
 300                                 }
 301                                 else {
 302                                         try {
 303                                                 params.failure(self, $.parseJSON(xhr.responseText));
 304                                         }
 305                                         catch (e) {
 306                                                 params.failure(self, {
 307                                                         "__all__": ["Nie udało się - błąd serwera."]
 308                                                 });
 309                                         };
 310                                 };
 311                         }
 312                 });
 313         };
 314
 315         $.wikiapi.WikiDocument = WikiDocument;
 316 })(jQuery);