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                 } else {
  62                         treeItem = this.store._itemsByIdentity['FEED:' + feed];
  63                 }
  64
  65                 items = this.store._arrayOfAllItems;
  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("CAT:")) || (!is_cat && id.match("FEED:")))) {
  75                                                 if( !is_cat || ! (this.store.hasAttribute(items[j], 'parent_id') && this.store.getValue(items[j], 'parent_id') == feed) ) return items[j];
  76                                         }
  77                                 }
  78
  79                                 for (var j = 0; j < i; j++) {
  80                                         var unread = this.store.getValue(items[j], 'unread');
  81                                         var id = this.store.getValue(items[j], 'id');
  82
  83                                         if (unread > 0 && ((is_cat && id.match("CAT:")) || (!is_cat && id.match("FEED:")))) {
  84                                                 if( !is_cat || ! (this.store.hasAttribute(items[j], 'parent_id') && this.store.getValue(items[j], 'parent_id') == feed) ) return items[j];
  85                                         }
  86                                 }
  87                         }
  88                 }
  89
  90                 return null;
  91         },
  92         hasCats: function() {
  93                 if (this.store && this.store._itemsByIdentity)
  94                         return this.store._itemsByIdentity['CAT:-1'] != undefined;
  95                 else
  96                         return false;
  97         },
  98 });
  99
 100 dojo.declare("fox.FeedTree", dijit.Tree, {
 101         _onKeyPress: function(/* Event */ e) {
 102                 return; // Stop dijit.Tree from interpreting keystrokes
 103         },
 104         _createTreeNode: function(args) {
 105                 var tnode = new dijit._TreeNode(args);
 106
 107                 if (args.item.icon && args.item.icon[0])
 108                         tnode.iconNode.src = args.item.icon[0];
 109
 110                 var id = args.item.id[0];
 111                 var bare_id = parseInt(id.substr(id.indexOf(':')+1));
 112
 113                 if (bare_id < _label_base_index) {
 114                         var span = dojo.doc.createElement('span');
 115                         var fg_color = args.item.fg_color[0];
 116                         var bg_color = args.item.bg_color[0];
 117
 118                         span.innerHTML = "&alpha;";
 119                         span.className = 'labelColorIndicator';
 120                         span.setStyle({
 121                                 color: fg_color,
 122                                 backgroundColor: bg_color});
 123
 124                         dojo.place(span, tnode.iconNode, 'replace');
 125                 }
 126
 127                 if (id.match("FEED:")) {
 128                         var menu = new dijit.Menu();
 129                         menu.row_id = bare_id;
 130
 131                         menu.addChild(new dijit.MenuItem({
 132                                 label: __("Mark as read"),
 133                                 onClick: function() {
 134                                         catchupFeed(this.getParent().row_id);
 135                                 }}));
 136
 137                         if (bare_id > 0) {
 138                                 menu.addChild(new dijit.MenuItem({
 139                                         label: __("Edit feed"),
 140                                         onClick: function() {
 141                                                 editFeed(this.getParent().row_id, false);
 142                                         }}));
 143
 144                                 /* menu.addChild(new dijit.MenuItem({
 145                                         label: __("Update feed"),
 146                                         onClick: function() {
 147                                                 heduleFeedUpdate(this.getParent().row_id, false);
 148                                         }})); */
 149                         }
 150
 151                         menu.bindDomNode(tnode.domNode);
 152                         tnode._menu = menu;
 153                 }
 154
 155                 if (id.match("CAT:") && bare_id >= 0) {
 156                         var menu = new dijit.Menu();
 157                         menu.row_id = bare_id;
 158
 159                         menu.addChild(new dijit.MenuItem({
 160                                 label: __("Mark as read"),
 161                                 onClick: function() {
 162                                         catchupFeed(this.getParent().row_id, true);
 163                                 }}));
 164
 165                         menu.bindDomNode(tnode.domNode);
 166                         tnode._menu = menu;
 167                 }
 168
 169                 if (id.match("CAT:")) {
 170                         loading = dojo.doc.createElement('img');
 171                         loading.className = 'loadingNode';
 172                         loading.src = 'images/blank_icon.gif';
 173                         dojo.place(loading, tnode.labelNode, 'after');
 174                         tnode.loadingNode = loading;
 175                 }
 176
 177                 if (id.match("CAT:") && bare_id == -1) {
 178                         var menu = new dijit.Menu();
 179                         menu.row_id = bare_id;
 180
 181                         menu.addChild(new dijit.MenuItem({
 182                                 label: __("Mark all feeds as read"),
 183                                 onClick: function() {
 184                                         catchupAllFeeds();
 185                                 }}));
 186
 187                         menu.bindDomNode(tnode.domNode);
 188                         tnode._menu = menu;
 189                 }
 190
 191                 ctr = dojo.doc.createElement('span');
 192                 ctr.className = 'counterNode';
 193                 ctr.innerHTML = args.item.unread > 0 ? args.item.unread : args.item.auxcounter;
 194
 195                 //args.item.unread > 0 ? ctr.addClassName("unread") : ctr.removeClassName("unread");
 196
 197                 args.item.unread > 0 || args.item.auxcounter > 0 ? Element.show(ctr) : Element.hide(ctr);
 198
 199                 args.item.unread == 0 && args.item.auxcounter > 0 ? ctr.addClassName("aux") : ctr.removeClassName("aux");
 200
 201                 dojo.place(ctr, tnode.rowNode, 'first');
 202                 tnode.counterNode = ctr;
 203
 204                 //tnode.labelNode.innerHTML = args.label;
 205                 return tnode;
 206         },
 207         postCreate: function() {
 208                 this.connect(this.model, "onChange", "updateCounter");
 209                 this.connect(this, "_expandNode", function() {
 210                         this.hideRead(getInitParam("hide_read_feeds"), getInitParam("hide_read_shows_special"));
 211                 });
 212
 213                 this.inherited(arguments);
 214         },
 215         updateCounter: function (item) {
 216                 var tree = this;
 217
 218                 //console.log("updateCounter: " + item.id[0] + " " + item.unread + " " + tree);
 219
 220                 var node = tree._itemNodesMap[item.id];
 221
 222                 if (node) {
 223                         node = node[0];
 224
 225                         if (node.counterNode) {
 226                                 ctr = node.counterNode;
 227                                 ctr.innerHTML = item.unread > 0 ? item.unread : item.auxcounter;
 228                                 item.unread > 0 || item.auxcounter > 0 ?
 229                                         Effect.Appear(ctr, {duration : 0.3,
 230                                         queue: { position: 'end', scope: 'CAPPEAR-' + item.id, limit: 1 }}) :
 231                                                 Element.hide(ctr);
 232
 233                                 item.unread == 0 && item.auxcounter > 0 ? ctr.addClassName("aux") : ctr.removeClassName("aux");
 234
 235                         }
 236                 }
 237
 238         },
 239         getTooltip: function (item) {
 240                 if (item.updated)
 241                         return item.updated;
 242                 else
 243                         return "";
 244         },
 245         getIconClass: function (item, opened) {
 246                 return (!item || this.model.mayHaveChildren(item)) ? (opened ? "dijitFolderOpened" : "dijitFolderClosed") : "feedIcon";
 247         },
 248         getLabelClass: function (item, opened) {
 249                 return (item.unread == 0) ? "dijitTreeLabel" : "dijitTreeLabel Unread";
 250         },
 251         getRowClass: function (item, opened) {
 252                 var rc = (!item.error || item.error == '') ? "dijitTreeRow" :
 253                         "dijitTreeRow Error";
 254
 255                 if (item.unread > 0) rc += " Unread";
 256
 257                 return rc;
 258         },
 259         getLabel: function(item) {
 260                 var name = String(item.name);
 261
 262                 /* Horrible */
 263                 name = name.replace(/&quot;/g, "\"");
 264                 name = name.replace(/&amp;/g, "&");
 265                 name = name.replace(/&mdash;/g, "-");
 266                 name = name.replace(/&lt;/g, "<");
 267                 name = name.replace(/&gt;/g, ">");
 268
 269                 /* var label;
 270
 271                 if (item.unread > 0) {
 272                         label = name + " (" + item.unread + ")";
 273                 } else {
 274                         label = name;
 275                 } */
 276
 277                 return name;
 278         },
 279         expandParentNodes: function(feed, is_cat, list) {
 280                 try {
 281                         for (var i = 0; i < list.length; i++) {
 282                                 var id = String(list[i].id);
 283                                 var item = this._itemNodesMap[id];
 284
 285                                 if (item) {
 286                                         item = item[0];
 287                                         this._expandNode(item);
 288                                 }
 289                         }
 290                 } catch (e) {
 291                         exception_error("expandParentNodes", e);
 292                 }
 293         },
 294         findNodeParentsAndExpandThem: function(feed, is_cat, root, parents) {
 295                 // expands all parents of specified feed to properly mark it as active
 296                 // my fav thing about frameworks is doing everything myself
 297                 try {
 298                         var test_id = is_cat ? 'CAT:' + feed : 'FEED:' + feed;
 299
 300                         if (!root) {
 301                                 if (!this.model || !this.model.store) return false;
 302
 303                                 var items = this.model.store._arrayOfTopLevelItems;
 304
 305                                 for (var i = 0; i < items.length; i++) {
 306                                         if (String(items[i].id) == test_id) {
 307                                                 this.expandParentNodes(feed, is_cat, parents);
 308                                         } else {
 309                                                 this.findNodeParentsAndExpandThem(feed, is_cat, items[i], []);
 310                                         }
 311                                 }
 312                         } else {
 313                                 if (root.items) {
 314                                         parents.push(root);
 315
 316                                         for (var i = 0; i < root.items.length; i++) {
 317                                                 if (String(root.items[i].id) == test_id) {
 318                                                         this.expandParentNodes(feed, is_cat, parents);
 319                                                 } else {
 320                                                         this.findNodeParentsAndExpandThem(feed, is_cat, root.items[i], parents.slice(0));
 321                                                 }
 322                                         }
 323                                 } else {
 324                                         if (String(root.id) == test_id) {
 325                                                 this.expandParentNodes(feed, is_cat, parents.slice(0));
 326                                         }
 327                                 }
 328                         }
 329                 } catch (e) {
 330                         exception_error("findNodeParentsAndExpandThem", e);
 331                 }
 332         },
 333         selectFeed: function(feed, is_cat) {
 334                 this.findNodeParentsAndExpandThem(feed, is_cat, false, false);
 335
 336                 if (is_cat)
 337                         treeNode = this._itemNodesMap['CAT:' + feed];
 338                 else
 339                         treeNode = this._itemNodesMap['FEED:' + feed];
 340
 341                 if (treeNode) {
 342                         treeNode = treeNode[0];
 343                         if (!is_cat) this._expandNode(treeNode);
 344                         this.set("selectedNodes", [treeNode]);
 345                 }
 346         },
 347         setFeedIcon: function(feed, is_cat, src) {
 348                 if (is_cat)
 349                         treeNode = this._itemNodesMap['CAT:' + feed];
 350                 else
 351                         treeNode = this._itemNodesMap['FEED:' + feed];
 352
 353                 if (treeNode) {
 354                         treeNode = treeNode[0];
 355                         treeNode.iconNode.src = src;
 356                         return true;
 357                 }
 358                 return false;
 359         },
 360         setFeedExpandoIcon: function(feed, is_cat, src) {
 361                 if (is_cat)
 362                         treeNode = this._itemNodesMap['CAT:' + feed];
 363                 else
 364                         treeNode = this._itemNodesMap['FEED:' + feed];
 365
 366                 if (treeNode) {
 367                         treeNode = treeNode[0];
 368                         if (treeNode.loadingNode) {
 369                                 treeNode.loadingNode.src = src;
 370                                 return true;
 371                         } else {
 372                                 treeNode.expandoNode.src = src;
 373                                 return true;
 374                         }
 375                 }
 376
 377                 return false;
 378         },
 379         hasCats: function() {
 380                 return this.model.hasCats();
 381         },
 382         hideReadCat: function (cat, hide, show_special) {
 383                 if (this.hasCats()) {
 384                         var tree = this;
 385
 386                         if (cat && cat.items) {
 387                                 var cat_unread = tree.hideReadFeeds(cat.items, hide, show_special);
 388
 389                                 var id = String(cat.id);
 390                                 var node = tree._itemNodesMap[id];
 391                                 var bare_id = parseInt(id.substr(id.indexOf(":")+1));
 392
 393                                 if (node) {
 394                                         var check_unread = tree.model.getFeedUnread(bare_id, true);
 395
 396                                         if (hide && cat_unread == 0 && check_unread == 0) {
 397                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 398                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 399                                         } else {
 400                                                 Element.show(node[0].rowNode);
 401                                                 ++cat_unread;
 402                                         }
 403                                 }
 404                         }
 405                 }
 406         },
 407         hideRead: function (hide, show_special) {
 408                 if (this.hasCats()) {
 409
 410                         var tree = this;
 411                         var cats = this.model.store._arrayOfTopLevelItems;
 412
 413                         cats.each(function(cat) {
 414                                 tree.hideReadCat(cat, hide, show_special);
 415                         });
 416
 417                 } else {
 418                         this.hideReadFeeds(this.model.store._arrayOfTopLevelItems, hide,
 419                                 show_special);
 420                 }
 421         },
 422         hideReadFeeds: function (items, hide, show_special) {
 423                 var tree = this;
 424                 var cat_unread = 0;
 425
 426                 items.each(function(feed) {
 427                         var id = String(feed.id);
 428
 429                         // it's a subcategory
 430                         if (feed.items) {
 431                                 tree.hideReadCat(feed, hide, show_special);
 432                         } else {        // it's a feed
 433                                 var bare_id = parseInt(feed.bare_id);;
 434
 435                                 var unread = feed.unread[0];
 436                                 var node = tree._itemNodesMap[id];
 437
 438                                 if (node) {
 439                                         if (hide && unread == 0 && (bare_id > 0 || bare_id < _label_base_index || !show_special)) {
 440                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 441                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 442                                         } else {
 443                                                 Element.show(node[0].rowNode);
 444                                                 ++cat_unread;
 445                                         }
 446                                 }
 447                         }
 448                 });
 449
 450                 return cat_unread;
 451         },
 452         collapseCat: function(id) {
 453                 if (!this.model.hasCats()) return;
 454
 455                 var tree = this;
 456
 457                 var node = tree._itemNodesMap['CAT:' + id][0];
 458                 var item = tree.model.store._itemsByIdentity['CAT:' + id];
 459
 460                 if (node && item) {
 461                         if (!node.isExpanded)
 462                                 tree._expandNode(node);
 463                         else
 464                                 tree._collapseNode(node);
 465
 466                 }
 467         },
 468         getVisibleUnreadFeeds: function() {
 469                 var items = this.model.store._arrayOfAllItems;
 470                 var rv = [];
 471
 472                 for (var i = 0; i < items.length; i++) {
 473                         var id = String(items[i].id);
 474                         var box = this._itemNodesMap[id];
 475
 476                         if (box) {
 477                                 var row = box[0].rowNode;
 478                                 var cat = false;
 479
 480                                 try {
 481                                         cat = box[0].rowNode.parentNode.parentNode;
 482                                 } catch (e) { }
 483
 484                                 if (row) {
 485                                         if (Element.visible(row) && (!cat || Element.visible(cat))) {
 486                                                 var feed_id = String(items[i].bare_id);
 487                                                 var is_cat = !id.match('FEED:');
 488                                                 var unread = this.model.getFeedUnread(feed_id, is_cat);
 489
 490                                                 if (unread > 0)
 491                                                         rv.push([feed_id, is_cat]);
 492
 493                                         }
 494                                 }
 495                         }
 496                 }
 497
 498                 return rv;
 499         },
 500         getNextFeed: function (feed, is_cat) {
 501                 if (is_cat) {
 502                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 503                 } else {
 504                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 505                 }
 506
 507                 items = this.model.store._arrayOfAllItems;
 508                 var item = items[0];
 509
 510                 for (var i = 0; i < items.length; i++) {
 511                         if (items[i] == treeItem) {
 512
 513                                 for (var j = i+1; j < items.length; j++) {
 514                                         var id = String(items[j].id);
 515                                         var box = this._itemNodesMap[id];
 516
 517                                         if (box) {
 518                                                 var row = box[0].rowNode;
 519                                                 var cat = box[0].rowNode.parentNode.parentNode;
 520
 521                                                 if (Element.visible(cat) && Element.visible(row)) {
 522                                                         item = items[j];
 523                                                         break;
 524                                                 }
 525                                         }
 526                                 }
 527                                 break;
 528                         }
 529                 }
 530
 531                 if (item) {
 532                         return [this.model.store.getValue(item, 'bare_id'),
 533                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 534                 } else {
 535                         return false;
 536                 }
 537         },
 538         getPreviousFeed: function (feed, is_cat) {
 539                 if (is_cat) {
 540                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 541                 } else {
 542                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 543                 }
 544
 545                 items = this.model.store._arrayOfAllItems;
 546                 var item = items[0] == treeItem ? items[items.length-1] : items[0];
 547
 548                 for (var i = 0; i < items.length; i++) {
 549                         if (items[i] == treeItem) {
 550
 551                                 for (var j = i-1; j > 0; j--) {
 552                                         var id = String(items[j].id);
 553                                         var box = this._itemNodesMap[id];
 554
 555                                         if (box) {
 556                                                 var row = box[0].rowNode;
 557                                                 var cat = box[0].rowNode.parentNode.parentNode;
 558
 559                                                 if (Element.visible(cat) && Element.visible(row)) {
 560                                                         item = items[j];
 561                                                         break;
 562                                                 }
 563                                         }
 564
 565                                 }
 566                                 break;
 567                         }
 568                 }
 569
 570                 if (item) {
 571                         return [this.model.store.getValue(item, 'bare_id'),
 572                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 573                 } else {
 574                         return false;
 575                 }
 576
 577         },
 578         getFeedCategory: function(feed) {
 579                 try {
 580                         return this.getNodesByItem(this.model.store.
 581                                         _itemsByIdentity["FEED:" + feed])[0].
 582                                         getParent().item.bare_id[0];
 583
 584                 } catch (e) {
 585                         return false;
 586                 }
 587         },
 588 });