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 == '' && params.error)
 167                     params.error();
 168                 else if (data != self.revision)
 169                     params.outdated();
 170             }
 171         });
 172     };
 173
 174         /*
 175          * Fetch gallery
 176          */
 177         WikiDocument.prototype.refreshGallery = function(params) {
 178                 params = $.extend({}, noops, params);
 179                 var self = this;
 180                 $.ajax({
 181                         method: "GET",
 182                         url: reverse("ajax_document_gallery", self.galleryLink),
 183                         dataType: 'json',
 184                         // data: {},
 185                         success: function(data) {
 186                                 self.galleryImages = data;
 187                                 params['success'](self, data);
 188                         },
 189                         error: function() {
 190                                 self.galleryImages = [];
 191                                 params['failure'](self, "<p>Nie udało się wczytać galerii pod nazwą: '" + self.galleryLink + "'.</p>");
 192                         }
 193                 });
 194         };
 195
 196         /*
 197          * Set document's text
 198          */
 199         WikiDocument.prototype.setText = function(text) {
 200                 this.text = text;
 201                 this.has_local_changes = true;
 202         };
 203
 204         /*
 205          * Set document's gallery link
 206          */
 207         WikiDocument.prototype.setGalleryLink = function(gallery) {
 208                 this.galleryLink = gallery;
 209                 this.has_local_changes = true;
 210         };
 211
 212         /*
 213          * Save text back to the server
 214          */
 215         WikiDocument.prototype.save = function(params) {
 216                 params = $.extend({}, noops, params);
 217                 var self = this;
 218
 219                 if (!self.has_local_changes) {
 220                         console.log("Abort: no changes.");
 221                         return params['success'](self, false, "Nie ma zmian do zapisania.");
 222                 };
 223
 224                 // Serialize form to dictionary
 225                 var data = {};
 226                 $.each(params['form'].serializeArray(), function() {
 227                         data[this.name] = this.value;
 228                 });
 229
 230                 var metaComment = '<!--';
 231                 metaComment += '\n\tgallery:' + self.galleryLink;
 232                 metaComment += '\n-->\n'
 233
 234                 data['textsave-text'] = metaComment + self.text;
 235
 236                 $.ajax({
 237                         url: reverse("ajax_document_text", self.id),
 238                         type: "POST",
 239                         dataType: "json",
 240                         data: data,
 241                         success: function(data) {
 242                                 var changed = false;
 243
 244                 $('#header').removeClass('saving');
 245
 246                                 if (data.text) {
 247                                         self.text = data.text;
 248                                         self.revision = data.revision;
 249                                         self.gallery = data.gallery;
 250                                         changed = true;
 251                                         self.triggerDocumentChanged();
 252                                 };
 253
 254                                 params['success'](self, changed, ((changed && "Udało się zapisać :)") || "Twoja wersja i serwera jest identyczna"));
 255                         },
 256                         error: function(xhr) {
 257                 if ($('#header').hasClass('saving')) {
 258                     $('#header').removeClass('saving');
 259                     $.blockUI({
 260                         message: "<p>Nie udało się zapisać zmian. <br/><button onclick='$.unblockUI()'>OK</button></p>"
 261                     })
 262                 }
 263                 else {
 264                     try {
 265                         params['failure'](self, $.parseJSON(xhr.responseText));
 266                     }
 267                     catch (e) {
 268                         params['failure'](self, {
 269                             "__message": "<p>Nie udało się zapisać - błąd serwera.</p>"
 270                         });
 271                     };
 272                 }
 273
 274                         }
 275                 });
 276
 277         $('#save-hide').click(function(){
 278             $('#header').addClass('saving');
 279             $.unblockUI();
 280             $.wiki.blocking.unblock();
 281         });
 282         }; /* end of save() */
 283
 284         WikiDocument.prototype.publish = function(params) {
 285                 params = $.extend({}, noops, params);
 286                 var self = this;
 287                 $.ajax({
 288                         url: reverse("ajax_publish", self.id),
 289                         type: "POST",
 290                         dataType: "json",
 291                         success: function(data) {
 292                                 params.success(self, data);
 293                         },
 294                         error: function(xhr) {
 295                                 if (xhr.status == 403 || xhr.status == 401) {
 296                                         params.failure(self, "Nie masz uprawnień lub nie jesteś zalogowany.");
 297                                 }
 298                                 else {
 299                                         try {
 300                                                 params.failure(self, xhr.responseText);
 301                                         }
 302                                         catch (e) {
 303                                                 params.failure(self, "Nie udało się - błąd serwera.");
 304                                         };
 305                                 };
 306
 307                         }
 308                 });
 309         };
 310         WikiDocument.prototype.setTag = function(params) {
 311                 params = $.extend({}, noops, params);
 312                 var self = this;
 313                 var data = {
 314                         "addtag-id": self.id,
 315                 };
 316
 317                 /* unpack form */
 318                 $.each(params.form.serializeArray(), function() {
 319                         data[this.name] = this.value;
 320                 });
 321
 322                 $.ajax({
 323                         url: reverse("ajax_document_addtag", self.id),
 324                         type: "POST",
 325                         dataType: "json",
 326                         data: data,
 327                         success: function(data) {
 328                                 params.success(self, data.message);
 329                         },
 330                         error: function(xhr) {
 331                                 if (xhr.status == 403 || xhr.status == 401) {
 332                                         params.failure(self, {
 333                                                 "__all__": ["Nie masz uprawnień lub nie jesteś zalogowany."]
 334                                         });
 335                                 }
 336                                 else {
 337                                         try {
 338                                                 params.failure(self, $.parseJSON(xhr.responseText));
 339                                         }
 340                                         catch (e) {
 341                                                 params.failure(self, {
 342                                                         "__all__": ["Nie udało się - błąd serwera."]
 343                                                 });
 344                                         };
 345                                 };
 346                         }
 347                 });
 348         };
 349
 350         $.wikiapi.WikiDocument = WikiDocument;
 351 })(jQuery);