js/FeedTree.js

   1 dojo.provide("fox.FeedTree");
   2 dojo.provide("fox.FeedStoreModel");
   3
   4 dojo.require("dijit.Tree");
   5 dojo.require("dijit.Menu");
   6
   7 dojo.declare("fox.FeedStoreModel", dijit.tree.ForestStoreModel, {
   8         getItemsInCategory: function (id) {
   9                 if (!this.store._itemsByIdentity) return undefined;
  10
  11                 cat = this.store._itemsByIdentity['CAT:' + id];
  12
  13                 if (cat && cat.items)
  14                         return cat.items;
  15                 else
  16                         return undefined;
  17
  18         },
  19         getItemById: function(id) {
  20                 return this.store._itemsByIdentity[id];
  21         },
  22         getFeedValue: function(feed, is_cat, key) {
  23                 if (!this.store._itemsByIdentity) return undefined;
  24
  25                 if (is_cat)
  26                         treeItem = this.store._itemsByIdentity['CAT:' + feed];
  27                 else
  28                         treeItem = this.store._itemsByIdentity['FEED:' + feed];
  29
  30                 if (treeItem)
  31                         return this.store.getValue(treeItem, key);
  32         },
  33         getFeedName: function(feed, is_cat) {
  34                 return this.getFeedValue(feed, is_cat, 'name');
  35         },
  36         getFeedUnread: function(feed, is_cat) {
  37                 var unread = parseInt(this.getFeedValue(feed, is_cat, 'unread'));
  38                 return (isNaN(unread)) ? 0 : unread;
  39         },
  40         setFeedUnread: function(feed, is_cat, unread) {
  41                 return this.setFeedValue(feed, is_cat, 'unread', parseInt(unread));
  42         },
  43         setFeedValue: function(feed, is_cat, key, value) {
  44                 if (!value) value = '';
  45                 if (!this.store._itemsByIdentity) return undefined;
  46
  47                 if (is_cat)
  48                         treeItem = this.store._itemsByIdentity['CAT:' + feed];
  49                 else
  50                         treeItem = this.store._itemsByIdentity['FEED:' + feed];
  51
  52                 if (treeItem)
  53                         return this.store.setValue(treeItem, key, value);
  54         },
  55         getNextUnreadFeed: function (feed, is_cat) {
  56                 if (!this.store._itemsByIdentity)
  57                         return null;
  58
  59                 if (is_cat) {
  60                         treeItem = this.store._itemsByIdentity['CAT:' + feed];
  61                         items = this.store._arrayOfTopLevelItems;
  62                 } else {
  63                         treeItem = this.store._itemsByIdentity['FEED:' + feed];
  64                         items = this.store._arrayOfAllItems;
  65                 }
  66
  67                 for (var i = 0; i < items.length; i++) {
  68                         if (items[i] == treeItem) {
  69
  70                                 for (var j = i+1; j < items.length; j++) {
  71                                         var unread = this.store.getValue(items[j], 'unread');
  72                                         var id = this.store.getValue(items[j], 'id');
  73
  74                                         if (unread > 0 && (is_cat || id.match("FEED:"))) return items[j];
  75                                 }
  76
  77                                 for (var j = 0; j < i; j++) {
  78                                         var unread = this.store.getValue(items[j], 'unread');
  79                                         var id = this.store.getValue(items[j], 'id');
  80
  81                                         if (unread > 0 && (is_cat || id.match("FEED:"))) return items[j];
  82                                 }
  83                         }
  84                 }
  85
  86                 return null;
  87         },
  88         hasCats: function() {
  89                 if (this.store && this.store._itemsByIdentity)
  90                         return this.store._itemsByIdentity['CAT:-1'] != undefined;
  91                 else
  92                         return false;
  93         },
  94 });
  95
  96 dojo.declare("fox.FeedTree", dijit.Tree, {
  97         _onKeyPress: function(/* Event */ e) {
  98                 return; // Stop dijit.Tree from interpreting keystrokes
  99         },
 100         _createTreeNode: function(args) {
 101                 var tnode = new dijit._TreeNode(args);
 102
 103                 if (args.item.icon)
 104                         tnode.iconNode.src = args.item.icon[0];
 105
 106                 var id = args.item.id[0];
 107                 var bare_id = parseInt(id.substr(id.indexOf(':')+1));
 108
 109                 if (bare_id < -10) {
 110                         var span = dojo.doc.createElement('span');
 111                         var fg_color = args.item.fg_color[0];
 112                         var bg_color = args.item.bg_color[0];
 113
 114                         span.innerHTML = "&alpha;";
 115                         span.className = 'labelColorIndicator';
 116                         span.setStyle({
 117                                 color: fg_color,
 118                                 backgroundColor: bg_color});
 119
 120                         dojo.place(span, tnode.iconNode, 'replace');
 121                 }
 122
 123                 if (id.match("FEED:") && bare_id > 0) {
 124                         var menu = new dijit.Menu();
 125                         menu.row_id = bare_id;
 126
 127                         menu.addChild(new dijit.MenuItem({
 128                                 label: __("Mark as read"),
 129                                 onClick: function() {
 130                                         catchupFeed(this.getParent().row_id);
 131                                 }}));
 132
 133                         menu.addChild(new dijit.MenuItem({
 134                                 label: __("Edit feed"),
 135                                 onClick: function() {
 136                                         editFeed(this.getParent().row_id, false);
 137                                 }}));
 138
 139                         menu.addChild(new dijit.MenuItem({
 140                                 label: __("Update feed"),
 141                                 onClick: function() {
 142                                         scheduleFeedUpdate(this.getParent().row_id, false);
 143                                 }}));
 144
 145                         menu.bindDomNode(tnode.domNode);
 146                         tnode._menu = menu;
 147                 }
 148
 149                 if (id.match("CAT:") && bare_id > 0) {
 150                         var menu = new dijit.Menu();
 151                         menu.row_id = bare_id;
 152
 153                         menu.addChild(new dijit.MenuItem({
 154                                 label: __("Mark as read"),
 155                                 onClick: function() {
 156                                         catchupFeed(this.getParent().row_id, true);
 157                                 }}));
 158
 159                         menu.bindDomNode(tnode.domNode);
 160                         tnode._menu = menu;
 161                 }
 162
 163                 //tnode.labelNode.innerHTML = args.label;
 164                 return tnode;
 165         },
 166         getIconClass: function (item, opened) {
 167                 return (!item || this.model.mayHaveChildren(item)) ? (opened ? "dijitFolderOpened" : "dijitFolderClosed") : "feedIcon";
 168         },
 169         getLabelClass: function (item, opened) {
 170                 return (item.unread == 0) ? "dijitTreeLabel" : "dijitTreeLabel Unread";
 171         },
 172         getRowClass: function (item, opened) {
 173                 return (!item.error || item.error == '') ? "dijitTreeRow" :
 174                         "dijitTreeRow Error";
 175         },
 176         getLabel: function(item) {
 177                 var name = String(item.name);
 178
 179                 /* Horrible */
 180                 name = name.replace(/&quot;/g, "\"");
 181                 name = name.replace(/&amp;/g, "&");
 182                 name = name.replace(/&mdash;/g, "-");
 183                 name = name.replace(/&lt;/g, "<");
 184                 name = name.replace(/&gt;/g, ">");
 185
 186                 if (item.unread > 0) {
 187                         return name + " (" + item.unread + ")";
 188                 } else {
 189                         return name;
 190                 }
 191         },
 192         selectFeed: function(feed, is_cat) {
 193                 if (is_cat)
 194                         treeNode = this._itemNodesMap['CAT:' + feed];
 195                 else
 196                         treeNode = this._itemNodesMap['FEED:' + feed];
 197
 198                 if (treeNode) {
 199                         treeNode = treeNode[0];
 200                         if (!is_cat) this._expandNode(treeNode);
 201                         this.set("selectedNodes", [treeNode]);
 202                 }
 203         },
 204         setFeedIcon: function(feed, is_cat, src) {
 205                 if (is_cat)
 206                         treeNode = this._itemNodesMap['CAT:' + feed];
 207                 else
 208                         treeNode = this._itemNodesMap['FEED:' + feed];
 209
 210                 if (treeNode) {
 211                         treeNode = treeNode[0];
 212                         treeNode.iconNode.src = src;
 213                         return true;
 214                 }
 215                 return false;
 216         },
 217         setFeedExpandoIcon: function(feed, is_cat, src) {
 218                 if (is_cat)
 219                         treeNode = this._itemNodesMap['CAT:' + feed];
 220                 else
 221                         treeNode = this._itemNodesMap['FEED:' + feed];
 222
 223                 if (treeNode) {
 224                         treeNode = treeNode[0];
 225                         treeNode.expandoNode.src = src;
 226                         return true;
 227                 }
 228
 229                 return false;
 230         },
 231         hasCats: function() {
 232                 return this.model.hasCats();
 233         },
 234         hideRead: function (hide, show_special) {
 235                 if (this.hasCats()) {
 236
 237                         var tree = this;
 238                         var cats = this.model.store._arrayOfTopLevelItems;
 239
 240                         cats.each(function(cat) {
 241                                 var cat_unread = tree.hideReadFeeds(cat.items, hide, show_special);
 242
 243                                 var id = String(cat.id);
 244                                 var node = tree._itemNodesMap[id];
 245                                 var bare_id = parseInt(id.substr(id.indexOf(":")+1));
 246
 247                                 if (node) {
 248                                         var check_unread = tree.model.getFeedUnread(bare_id, true);
 249
 250                                         if (hide && cat_unread == 0 && check_unread == 0) {
 251                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 252                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 253                                         } else {
 254                                                 Element.show(node[0].rowNode);
 255                                                 ++cat_unread;
 256                                         }
 257                                 }
 258                         });
 259
 260                 } else {
 261                         this.hideReadFeeds(this.model.store._arrayOfTopLevelItems, hide,
 262                                 show_special);
 263                 }
 264         },
 265         hideReadFeeds: function (items, hide, show_special) {
 266                 var tree = this;
 267                 var cat_unread = 0;
 268
 269                 items.each(function(feed) {
 270                         var id = String(feed.id);
 271                         var bare_id = parseInt(feed.bare_id);;
 272
 273                         var unread = feed.unread[0];
 274                         var node = tree._itemNodesMap[id];
 275
 276                         if (node) {
 277                                 if (hide && unread == 0 && (bare_id > 0 || !show_special)) {
 278                                         Effect.Fade(node[0].rowNode, {duration : 0.3,
 279                                                 queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 280                                 } else {
 281                                         Element.show(node[0].rowNode);
 282                                         ++cat_unread;
 283                                 }
 284                         }
 285                 });
 286
 287                 return cat_unread;
 288         },
 289         collapseCat: function(id) {
 290                 if (!this.model.hasCats()) return;
 291
 292                 var tree = this;
 293
 294                 var node = tree._itemNodesMap['CAT:' + id][0];
 295                 var item = tree.model.store._itemsByIdentity['CAT:' + id];
 296
 297                 if (node && item) {
 298                         var hidden = tree.model.store.getValue(item, 'hidden');
 299
 300                         if (hidden)
 301                                 tree._expandNode(node);
 302                         else
 303                                 tree._collapseNode(node);
 304
 305                         tree.model.store.setValue(item, 'hidden', !hidden);
 306                 }
 307         },
 308         collapseHiddenCats: function() {
 309                 if (!this.model.hasCats()) return;
 310
 311                 var cats = this.model.store._arrayOfTopLevelItems;
 312                 var tree = this;
 313
 314                 dojo.forEach(cats, function(cat) {
 315                         var hidden = tree.model.store.getValue(cat, 'hidden');
 316                         var id = tree.model.store.getValue(cat, 'id');
 317                         var node = tree._itemNodesMap[id][0];
 318
 319                         if (hidden)
 320                                 tree._collapseNode(node);
 321                         else
 322                                 tree._expandNode(node);
 323
 324                 });
 325         },
 326         getVisibleUnreadFeeds: function() {
 327                 var items = this.model.store._arrayOfAllItems;
 328                 var rv = [];
 329
 330                 for (var i = 0; i < items.length; i++) {
 331                         var id = String(items[i].id);
 332                         var box = this._itemNodesMap[id];
 333
 334                         if (box) {
 335                                 var row = box[0].rowNode;
 336                                 var cat = false;
 337
 338                                 try {
 339                                         cat = box[0].rowNode.parentNode.parentNode;
 340                                 } catch (e) { }
 341
 342                                 if (row) {
 343                                         if (Element.visible(row) && (!cat || Element.visible(cat))) {
 344                                                 var feed_id = String(items[i].bare_id);
 345                                                 var is_cat = !id.match('FEED:');
 346                                                 var unread = this.model.getFeedUnread(feed_id, is_cat);
 347
 348                                                 if (unread > 0)
 349                                                         rv.push([feed_id, is_cat]);
 350
 351                                         }
 352                                 }
 353                         }
 354                 }
 355
 356                 return rv;
 357         },
 358         getNextFeed: function (feed, is_cat) {
 359                 if (is_cat) {
 360                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 361                 } else {
 362                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 363                 }
 364
 365                 items = this.model.store._arrayOfAllItems;
 366                 var item = items[0];
 367
 368                 for (var i = 0; i < items.length; i++) {
 369                         if (items[i] == treeItem) {
 370
 371                                 for (var j = i+1; j < items.length; j++) {
 372                                         var id = String(items[j].id);
 373                                         var box = this._itemNodesMap[id];
 374
 375                                         if (box) {
 376                                                 var row = box[0].rowNode;
 377                                                 var cat = box[0].rowNode.parentNode.parentNode;
 378
 379                                                 if (Element.visible(cat) && Element.visible(row)) {
 380                                                         item = items[j];
 381                                                         break;
 382                                                 }
 383                                         }
 384                                 }
 385                                 break;
 386                         }
 387                 }
 388
 389                 if (item) {
 390                         return [this.model.store.getValue(item, 'bare_id'),
 391                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 392                 } else {
 393                         return false;
 394                 }
 395         },
 396         getPreviousFeed: function (feed, is_cat) {
 397                 if (is_cat) {
 398                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 399                 } else {
 400                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 401                 }
 402
 403                 items = this.model.store._arrayOfAllItems;
 404                 var item = items[0];
 405
 406                 for (var i = 0; i < items.length; i++) {
 407                         if (items[i] == treeItem) {
 408
 409                                 for (var j = i-1; j > 0; j--) {
 410                                         var id = String(items[j].id);
 411                                         var box = this._itemNodesMap[id];
 412
 413                                         if (box) {
 414                                                 var row = box[0].rowNode;
 415                                                 var cat = box[0].rowNode.parentNode.parentNode;
 416
 417                                                 if (Element.visible(cat) && Element.visible(row)) {
 418                                                         item = items[j];
 419                                                         break;
 420                                                 }
 421                                         }
 422
 423                                 }
 424                                 break;
 425                         }
 426                 }
 427
 428                 if (item) {
 429                         return [this.model.store.getValue(item, 'bare_id'),
 430                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 431                 } else {
 432                         return false;
 433                 }
 434
 435         },
 436         getFeedCategory: function(feed) {
 437                 try {
 438                         return this.getNodesByItem(this.model.store.
 439                                         _itemsByIdentity["FEED:" + feed])[0].
 440                                         getParent().item.bare_id[0];
 441
 442                 } catch (e) {
 443                         return false;
 444                 }
 445         },
 446 });