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 && args.item.icon[0])
 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 < _label_base_index) {
 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:")) {
 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                         if (bare_id > 0) {
 134                                 menu.addChild(new dijit.MenuItem({
 135                                         label: __("Edit feed"),
 136                                         onClick: function() {
 137                                                 editFeed(this.getParent().row_id, false);
 138                                         }}));
 139
 140                                 /* menu.addChild(new dijit.MenuItem({
 141                                         label: __("Update feed"),
 142                                         onClick: function() {
 143                                                 heduleFeedUpdate(this.getParent().row_id, false);
 144                                         }})); */
 145                         }
 146
 147                         menu.bindDomNode(tnode.domNode);
 148                         tnode._menu = menu;
 149                 }
 150
 151                 if (id.match("CAT:") && bare_id >= 0) {
 152                         var menu = new dijit.Menu();
 153                         menu.row_id = bare_id;
 154
 155                         menu.addChild(new dijit.MenuItem({
 156                                 label: __("Mark as read"),
 157                                 onClick: function() {
 158                                         catchupFeed(this.getParent().row_id, true);
 159                                 }}));
 160
 161                         menu.bindDomNode(tnode.domNode);
 162                         tnode._menu = menu;
 163                 }
 164
 165                 if (id.match("CAT:")) {
 166                         loading = dojo.doc.createElement('img');
 167                         loading.className = 'loadingNode';
 168                         loading.src = 'images/blank_icon.gif';
 169                         dojo.place(loading, tnode.labelNode, 'after');
 170                         tnode.loadingNode = loading;
 171                 }
 172
 173                 if (id.match("CAT:") && bare_id == -1) {
 174                         var menu = new dijit.Menu();
 175                         menu.row_id = bare_id;
 176
 177                         menu.addChild(new dijit.MenuItem({
 178                                 label: __("Mark all feeds as read"),
 179                                 onClick: function() {
 180                                         catchupAllFeeds();
 181                                 }}));
 182
 183                         menu.bindDomNode(tnode.domNode);
 184                         tnode._menu = menu;
 185                 }
 186
 187                 ctr = dojo.doc.createElement('span');
 188                 ctr.className = 'counterNode';
 189                 ctr.innerHTML = args.item.unread;
 190
 191                 args.item.unread > 0 ? ctr.addClassName("unread") : ctr.removeClassName("unread");
 192
 193                 dojo.place(ctr, tnode.labelNode, 'after');
 194                 tnode.counterNode = ctr;
 195
 196                 //tnode.labelNode.innerHTML = args.label;
 197                 return tnode;
 198         },
 199         postCreate: function() {
 200                 this.connect(this.model, "onChange", "updateCounter");
 201
 202                 this.inherited(arguments);
 203         },
 204         updateCounter: function (item) {
 205                 var tree = this;
 206
 207                 //console.log("updateCounter: " + item.id[0] + " " + item.unread + " " + tree);
 208
 209                 var node = tree._itemNodesMap[item.id];
 210
 211                 if (node) {
 212                         node = node[0];
 213
 214                         if (node.counterNode) {
 215                                 node.counterNode.innerHTML = item.unread;
 216                                 item.unread > 0 ? node.counterNode.addClassName("unread") : node.counterNode.removeClassName("unread");
 217                         }
 218                 }
 219
 220         },
 221         getTooltip: function (item) {
 222                 if (item.updated)
 223                         return item.updated;
 224                 else
 225                         return "";
 226         },
 227         getIconClass: function (item, opened) {
 228                 return (!item || this.model.mayHaveChildren(item)) ? (opened ? "dijitFolderOpened" : "dijitFolderClosed") : "feedIcon";
 229         },
 230         getLabelClass: function (item, opened) {
 231                 return (item.unread == 0) ? "dijitTreeLabel" : "dijitTreeLabel Unread";
 232         },
 233         getRowClass: function (item, opened) {
 234                 var rc = (!item.error || item.error == '') ? "dijitTreeRow" :
 235                         "dijitTreeRow Error";
 236
 237                 if (item.unread > 0) rc += " Unread";
 238
 239                 return rc;
 240         },
 241         getLabel: function(item) {
 242                 var name = String(item.name);
 243
 244                 /* Horrible */
 245                 name = name.replace(/&quot;/g, "\"");
 246                 name = name.replace(/&amp;/g, "&");
 247                 name = name.replace(/&mdash;/g, "-");
 248                 name = name.replace(/&lt;/g, "<");
 249                 name = name.replace(/&gt;/g, ">");
 250
 251                 /* var label;
 252
 253                 if (item.unread > 0) {
 254                         label = name + " (" + item.unread + ")";
 255                 } else {
 256                         label = name;
 257                 } */
 258
 259                 return name;
 260         },
 261         expandParentNodes: function(feed, is_cat, list) {
 262                 try {
 263                         for (var i = 0; i < list.length; i++) {
 264                                 var id = String(list[i].id);
 265                                 var item = this._itemNodesMap[id];
 266
 267                                 if (item) {
 268                                         item = item[0];
 269                                         this._expandNode(item);
 270                                 }
 271                         }
 272                 } catch (e) {
 273                         exception_error("expandParentNodes", e);
 274                 }
 275         },
 276         findNodeParentsAndExpandThem: function(feed, is_cat, root, parents) {
 277                 // expands all parents of specified feed to properly mark it as active
 278                 // my fav thing about frameworks is doing everything myself
 279                 try {
 280                         var test_id = is_cat ? 'CAT:' + feed : 'FEED:' + feed;
 281
 282                         if (!root) {
 283                                 if (!this.model || !this.model.store) return false;
 284
 285                                 var items = this.model.store._arrayOfTopLevelItems;
 286
 287                                 for (var i = 0; i < items.length; i++) {
 288                                         if (String(items[i].id) == test_id) {
 289                                                 this.expandParentNodes(feed, is_cat, parents);
 290                                         } else {
 291                                                 this.findNodeParentsAndExpandThem(feed, is_cat, items[i], []);
 292                                         }
 293                                 }
 294                         } else {
 295                                 if (root.items) {
 296                                         parents.push(root);
 297
 298                                         for (var i = 0; i < root.items.length; i++) {
 299                                                 if (String(root.items[i].id) == test_id) {
 300                                                         this.expandParentNodes(feed, is_cat, parents);
 301                                                 } else {
 302                                                         this.findNodeParentsAndExpandThem(feed, is_cat, root.items[i], parents.slice(0));
 303                                                 }
 304                                         }
 305                                 } else {
 306                                         if (String(root.id) == test_id) {
 307                                                 this.expandParentNodes(feed, is_cat, parents.slice(0));
 308                                         }
 309                                 }
 310                         }
 311                 } catch (e) {
 312                         exception_error("findNodeParentsAndExpandThem", e);
 313                 }
 314         },
 315         selectFeed: function(feed, is_cat) {
 316                 this.findNodeParentsAndExpandThem(feed, is_cat, false, false);
 317
 318                 if (is_cat)
 319                         treeNode = this._itemNodesMap['CAT:' + feed];
 320                 else
 321                         treeNode = this._itemNodesMap['FEED:' + feed];
 322
 323                 if (treeNode) {
 324                         treeNode = treeNode[0];
 325                         if (!is_cat) this._expandNode(treeNode);
 326                         this.set("selectedNodes", [treeNode]);
 327                 }
 328         },
 329         setFeedIcon: function(feed, is_cat, src) {
 330                 if (is_cat)
 331                         treeNode = this._itemNodesMap['CAT:' + feed];
 332                 else
 333                         treeNode = this._itemNodesMap['FEED:' + feed];
 334
 335                 if (treeNode) {
 336                         treeNode = treeNode[0];
 337                         treeNode.iconNode.src = src;
 338                         return true;
 339                 }
 340                 return false;
 341         },
 342         setFeedExpandoIcon: function(feed, is_cat, src) {
 343                 if (is_cat)
 344                         treeNode = this._itemNodesMap['CAT:' + feed];
 345                 else
 346                         treeNode = this._itemNodesMap['FEED:' + feed];
 347
 348                 if (treeNode) {
 349                         treeNode = treeNode[0];
 350                         if (treeNode.loadingNode) {
 351                                 treeNode.loadingNode.src = src;
 352                                 return true;
 353                         } else {
 354                                 treeNode.expandoNode.src = src;
 355                                 return true;
 356                         }
 357                 }
 358
 359                 return false;
 360         },
 361         hasCats: function() {
 362                 return this.model.hasCats();
 363         },
 364         hideReadCat: function (cat, hide, show_special) {
 365                 if (this.hasCats()) {
 366                         var tree = this;
 367
 368                         if (cat && cat.items) {
 369                                 var cat_unread = tree.hideReadFeeds(cat.items, hide, show_special);
 370
 371                                 var id = String(cat.id);
 372                                 var node = tree._itemNodesMap[id];
 373                                 var bare_id = parseInt(id.substr(id.indexOf(":")+1));
 374
 375                                 if (node) {
 376                                         var check_unread = tree.model.getFeedUnread(bare_id, true);
 377
 378                                         if (hide && cat_unread == 0 && check_unread == 0) {
 379                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 380                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 381                                         } else {
 382                                                 Element.show(node[0].rowNode);
 383                                                 ++cat_unread;
 384                                         }
 385                                 }
 386                         }
 387                 }
 388         },
 389         hideRead: function (hide, show_special) {
 390                 if (this.hasCats()) {
 391
 392                         var tree = this;
 393                         var cats = this.model.store._arrayOfTopLevelItems;
 394
 395                         cats.each(function(cat) {
 396                                 tree.hideReadCat(cat, hide, show_special);
 397                         });
 398
 399                 } else {
 400                         this.hideReadFeeds(this.model.store._arrayOfTopLevelItems, hide,
 401                                 show_special);
 402                 }
 403         },
 404         hideReadFeeds: function (items, hide, show_special) {
 405                 var tree = this;
 406                 var cat_unread = 0;
 407
 408                 items.each(function(feed) {
 409                         var id = String(feed.id);
 410
 411                         // it's a subcategory
 412                         if (feed.items) {
 413                                 tree.hideReadCat(feed, hide, show_special);
 414                         } else {        // it's a feed
 415                                 var bare_id = parseInt(feed.bare_id);;
 416
 417                                 var unread = feed.unread[0];
 418                                 var node = tree._itemNodesMap[id];
 419
 420                                 if (node) {
 421                                         if (hide && unread == 0 && (bare_id > 0 || bare_id < _label_base_index || !show_special)) {
 422                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 423                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 424                                         } else {
 425                                                 Element.show(node[0].rowNode);
 426                                                 ++cat_unread;
 427                                         }
 428                                 }
 429                         }
 430                 });
 431
 432                 return cat_unread;
 433         },
 434         collapseCat: function(id) {
 435                 if (!this.model.hasCats()) return;
 436
 437                 var tree = this;
 438
 439                 var node = tree._itemNodesMap['CAT:' + id][0];
 440                 var item = tree.model.store._itemsByIdentity['CAT:' + id];
 441
 442                 if (node && item) {
 443                         if (!node.isExpanded)
 444                                 tree._expandNode(node);
 445                         else
 446                                 tree._collapseNode(node);
 447
 448                 }
 449         },
 450         getVisibleUnreadFeeds: function() {
 451                 var items = this.model.store._arrayOfAllItems;
 452                 var rv = [];
 453
 454                 for (var i = 0; i < items.length; i++) {
 455                         var id = String(items[i].id);
 456                         var box = this._itemNodesMap[id];
 457
 458                         if (box) {
 459                                 var row = box[0].rowNode;
 460                                 var cat = false;
 461
 462                                 try {
 463                                         cat = box[0].rowNode.parentNode.parentNode;
 464                                 } catch (e) { }
 465
 466                                 if (row) {
 467                                         if (Element.visible(row) && (!cat || Element.visible(cat))) {
 468                                                 var feed_id = String(items[i].bare_id);
 469                                                 var is_cat = !id.match('FEED:');
 470                                                 var unread = this.model.getFeedUnread(feed_id, is_cat);
 471
 472                                                 if (unread > 0)
 473                                                         rv.push([feed_id, is_cat]);
 474
 475                                         }
 476                                 }
 477                         }
 478                 }
 479
 480                 return rv;
 481         },
 482         getNextFeed: function (feed, is_cat) {
 483                 if (is_cat) {
 484                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 485                 } else {
 486                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 487                 }
 488
 489                 items = this.model.store._arrayOfAllItems;
 490                 var item = items[0];
 491
 492                 for (var i = 0; i < items.length; i++) {
 493                         if (items[i] == treeItem) {
 494
 495                                 for (var j = i+1; j < items.length; j++) {
 496                                         var id = String(items[j].id);
 497                                         var box = this._itemNodesMap[id];
 498
 499                                         if (box) {
 500                                                 var row = box[0].rowNode;
 501                                                 var cat = box[0].rowNode.parentNode.parentNode;
 502
 503                                                 if (Element.visible(cat) && Element.visible(row)) {
 504                                                         item = items[j];
 505                                                         break;
 506                                                 }
 507                                         }
 508                                 }
 509                                 break;
 510                         }
 511                 }
 512
 513                 if (item) {
 514                         return [this.model.store.getValue(item, 'bare_id'),
 515                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 516                 } else {
 517                         return false;
 518                 }
 519         },
 520         getPreviousFeed: function (feed, is_cat) {
 521                 if (is_cat) {
 522                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 523                 } else {
 524                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 525                 }
 526
 527                 items = this.model.store._arrayOfAllItems;
 528                 var item = items[0];
 529
 530                 for (var i = 0; i < items.length; i++) {
 531                         if (items[i] == treeItem) {
 532
 533                                 for (var j = i-1; j > 0; j--) {
 534                                         var id = String(items[j].id);
 535                                         var box = this._itemNodesMap[id];
 536
 537                                         if (box) {
 538                                                 var row = box[0].rowNode;
 539                                                 var cat = box[0].rowNode.parentNode.parentNode;
 540
 541                                                 if (Element.visible(cat) && Element.visible(row)) {
 542                                                         item = items[j];
 543                                                         break;
 544                                                 }
 545                                         }
 546
 547                                 }
 548                                 break;
 549                         }
 550                 }
 551
 552                 if (item) {
 553                         return [this.model.store.getValue(item, 'bare_id'),
 554                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 555                 } else {
 556                         return false;
 557                 }
 558
 559         },
 560         getFeedCategory: function(feed) {
 561                 try {
 562                         return this.getNodesByItem(this.model.store.
 563                                         _itemsByIdentity["FEED:" + feed])[0].
 564                                         getParent().item.bare_id[0];
 565
 566                 } catch (e) {
 567                         return false;
 568                 }
 569         },
 570 });