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 > 0 ? args.item.unread : args.item.auxcounter;
 190
 191                 //args.item.unread > 0 ? ctr.addClassName("unread") : ctr.removeClassName("unread");
 192
 193                 args.item.unread > 0 || args.item.auxcounter > 0 ? Element.show(ctr) : Element.hide(ctr);
 194
 195                 args.item.unread == 0 && args.item.auxcounter > 0 ? ctr.addClassName("aux") : ctr.removeClassName("aux");
 196
 197                 dojo.place(ctr, tnode.rowNode, 'first');
 198                 tnode.counterNode = ctr;
 199
 200                 //tnode.labelNode.innerHTML = args.label;
 201                 return tnode;
 202         },
 203         postCreate: function() {
 204                 this.connect(this.model, "onChange", "updateCounter");
 205                 this.connect(this, "_expandNode", function() {
 206                         this.hideRead(getInitParam("hide_read_feeds"), getInitParam("hide_read_shows_special"));
 207                 });
 208
 209                 this.inherited(arguments);
 210         },
 211         updateCounter: function (item) {
 212                 var tree = this;
 213
 214                 //console.log("updateCounter: " + item.id[0] + " " + item.unread + " " + tree);
 215
 216                 var node = tree._itemNodesMap[item.id];
 217
 218                 if (node) {
 219                         node = node[0];
 220
 221                         if (node.counterNode) {
 222                                 ctr = node.counterNode;
 223                                 ctr.innerHTML = item.unread > 0 ? item.unread : item.auxcounter;
 224                                 item.unread > 0 || item.auxcounter > 0 ?
 225                                         Effect.Appear(ctr, {duration : 0.3,
 226                                         queue: { position: 'end', scope: 'CAPPEAR-' + item.id, limit: 1 }}) :
 227                                                 Element.hide(ctr);
 228
 229                                 item.unread == 0 && item.auxcounter > 0 ? ctr.addClassName("aux") : ctr.removeClassName("aux");
 230
 231                         }
 232                 }
 233
 234         },
 235         getTooltip: function (item) {
 236                 if (item.updated)
 237                         return item.updated;
 238                 else
 239                         return "";
 240         },
 241         getIconClass: function (item, opened) {
 242                 return (!item || this.model.mayHaveChildren(item)) ? (opened ? "dijitFolderOpened" : "dijitFolderClosed") : "feedIcon";
 243         },
 244         getLabelClass: function (item, opened) {
 245                 return (item.unread == 0) ? "dijitTreeLabel" : "dijitTreeLabel Unread";
 246         },
 247         getRowClass: function (item, opened) {
 248                 var rc = (!item.error || item.error == '') ? "dijitTreeRow" :
 249                         "dijitTreeRow Error";
 250
 251                 if (item.unread > 0) rc += " Unread";
 252
 253                 return rc;
 254         },
 255         getLabel: function(item) {
 256                 var name = String(item.name);
 257
 258                 /* Horrible */
 259                 name = name.replace(/&quot;/g, "\"");
 260                 name = name.replace(/&amp;/g, "&");
 261                 name = name.replace(/&mdash;/g, "-");
 262                 name = name.replace(/&lt;/g, "<");
 263                 name = name.replace(/&gt;/g, ">");
 264
 265                 /* var label;
 266
 267                 if (item.unread > 0) {
 268                         label = name + " (" + item.unread + ")";
 269                 } else {
 270                         label = name;
 271                 } */
 272
 273                 return name;
 274         },
 275         expandParentNodes: function(feed, is_cat, list) {
 276                 try {
 277                         for (var i = 0; i < list.length; i++) {
 278                                 var id = String(list[i].id);
 279                                 var item = this._itemNodesMap[id];
 280
 281                                 if (item) {
 282                                         item = item[0];
 283                                         this._expandNode(item);
 284                                 }
 285                         }
 286                 } catch (e) {
 287                         exception_error("expandParentNodes", e);
 288                 }
 289         },
 290         findNodeParentsAndExpandThem: function(feed, is_cat, root, parents) {
 291                 // expands all parents of specified feed to properly mark it as active
 292                 // my fav thing about frameworks is doing everything myself
 293                 try {
 294                         var test_id = is_cat ? 'CAT:' + feed : 'FEED:' + feed;
 295
 296                         if (!root) {
 297                                 if (!this.model || !this.model.store) return false;
 298
 299                                 var items = this.model.store._arrayOfTopLevelItems;
 300
 301                                 for (var i = 0; i < items.length; i++) {
 302                                         if (String(items[i].id) == test_id) {
 303                                                 this.expandParentNodes(feed, is_cat, parents);
 304                                         } else {
 305                                                 this.findNodeParentsAndExpandThem(feed, is_cat, items[i], []);
 306                                         }
 307                                 }
 308                         } else {
 309                                 if (root.items) {
 310                                         parents.push(root);
 311
 312                                         for (var i = 0; i < root.items.length; i++) {
 313                                                 if (String(root.items[i].id) == test_id) {
 314                                                         this.expandParentNodes(feed, is_cat, parents);
 315                                                 } else {
 316                                                         this.findNodeParentsAndExpandThem(feed, is_cat, root.items[i], parents.slice(0));
 317                                                 }
 318                                         }
 319                                 } else {
 320                                         if (String(root.id) == test_id) {
 321                                                 this.expandParentNodes(feed, is_cat, parents.slice(0));
 322                                         }
 323                                 }
 324                         }
 325                 } catch (e) {
 326                         exception_error("findNodeParentsAndExpandThem", e);
 327                 }
 328         },
 329         selectFeed: function(feed, is_cat) {
 330                 this.findNodeParentsAndExpandThem(feed, is_cat, false, false);
 331
 332                 if (is_cat)
 333                         treeNode = this._itemNodesMap['CAT:' + feed];
 334                 else
 335                         treeNode = this._itemNodesMap['FEED:' + feed];
 336
 337                 if (treeNode) {
 338                         treeNode = treeNode[0];
 339                         if (!is_cat) this._expandNode(treeNode);
 340                         this.set("selectedNodes", [treeNode]);
 341                 }
 342         },
 343         setFeedIcon: function(feed, is_cat, src) {
 344                 if (is_cat)
 345                         treeNode = this._itemNodesMap['CAT:' + feed];
 346                 else
 347                         treeNode = this._itemNodesMap['FEED:' + feed];
 348
 349                 if (treeNode) {
 350                         treeNode = treeNode[0];
 351                         treeNode.iconNode.src = src;
 352                         return true;
 353                 }
 354                 return false;
 355         },
 356         setFeedExpandoIcon: function(feed, is_cat, src) {
 357                 if (is_cat)
 358                         treeNode = this._itemNodesMap['CAT:' + feed];
 359                 else
 360                         treeNode = this._itemNodesMap['FEED:' + feed];
 361
 362                 if (treeNode) {
 363                         treeNode = treeNode[0];
 364                         if (treeNode.loadingNode) {
 365                                 treeNode.loadingNode.src = src;
 366                                 return true;
 367                         } else {
 368                                 treeNode.expandoNode.src = src;
 369                                 return true;
 370                         }
 371                 }
 372
 373                 return false;
 374         },
 375         hasCats: function() {
 376                 return this.model.hasCats();
 377         },
 378         hideReadCat: function (cat, hide, show_special) {
 379                 if (this.hasCats()) {
 380                         var tree = this;
 381
 382                         if (cat && cat.items) {
 383                                 var cat_unread = tree.hideReadFeeds(cat.items, hide, show_special);
 384
 385                                 var id = String(cat.id);
 386                                 var node = tree._itemNodesMap[id];
 387                                 var bare_id = parseInt(id.substr(id.indexOf(":")+1));
 388
 389                                 if (node) {
 390                                         var check_unread = tree.model.getFeedUnread(bare_id, true);
 391
 392                                         if (hide && cat_unread == 0 && check_unread == 0) {
 393                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 394                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 395                                         } else {
 396                                                 Element.show(node[0].rowNode);
 397                                                 ++cat_unread;
 398                                         }
 399                                 }
 400                         }
 401                 }
 402         },
 403         hideRead: function (hide, show_special) {
 404                 if (this.hasCats()) {
 405
 406                         var tree = this;
 407                         var cats = this.model.store._arrayOfTopLevelItems;
 408
 409                         cats.each(function(cat) {
 410                                 tree.hideReadCat(cat, hide, show_special);
 411                         });
 412
 413                 } else {
 414                         this.hideReadFeeds(this.model.store._arrayOfTopLevelItems, hide,
 415                                 show_special);
 416                 }
 417         },
 418         hideReadFeeds: function (items, hide, show_special) {
 419                 var tree = this;
 420                 var cat_unread = 0;
 421
 422                 items.each(function(feed) {
 423                         var id = String(feed.id);
 424
 425                         // it's a subcategory
 426                         if (feed.items) {
 427                                 tree.hideReadCat(feed, hide, show_special);
 428                         } else {        // it's a feed
 429                                 var bare_id = parseInt(feed.bare_id);;
 430
 431                                 var unread = feed.unread[0];
 432                                 var node = tree._itemNodesMap[id];
 433
 434                                 if (node) {
 435                                         if (hide && unread == 0 && (bare_id > 0 || bare_id < _label_base_index || !show_special)) {
 436                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 437                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 438                                         } else {
 439                                                 Element.show(node[0].rowNode);
 440                                                 ++cat_unread;
 441                                         }
 442                                 }
 443                         }
 444                 });
 445
 446                 return cat_unread;
 447         },
 448         collapseCat: function(id) {
 449                 if (!this.model.hasCats()) return;
 450
 451                 var tree = this;
 452
 453                 var node = tree._itemNodesMap['CAT:' + id][0];
 454                 var item = tree.model.store._itemsByIdentity['CAT:' + id];
 455
 456                 if (node && item) {
 457                         if (!node.isExpanded)
 458                                 tree._expandNode(node);
 459                         else
 460                                 tree._collapseNode(node);
 461
 462                 }
 463         },
 464         getVisibleUnreadFeeds: function() {
 465                 var items = this.model.store._arrayOfAllItems;
 466                 var rv = [];
 467
 468                 for (var i = 0; i < items.length; i++) {
 469                         var id = String(items[i].id);
 470                         var box = this._itemNodesMap[id];
 471
 472                         if (box) {
 473                                 var row = box[0].rowNode;
 474                                 var cat = false;
 475
 476                                 try {
 477                                         cat = box[0].rowNode.parentNode.parentNode;
 478                                 } catch (e) { }
 479
 480                                 if (row) {
 481                                         if (Element.visible(row) && (!cat || Element.visible(cat))) {
 482                                                 var feed_id = String(items[i].bare_id);
 483                                                 var is_cat = !id.match('FEED:');
 484                                                 var unread = this.model.getFeedUnread(feed_id, is_cat);
 485
 486                                                 if (unread > 0)
 487                                                         rv.push([feed_id, is_cat]);
 488
 489                                         }
 490                                 }
 491                         }
 492                 }
 493
 494                 return rv;
 495         },
 496         getNextFeed: function (feed, is_cat) {
 497                 if (is_cat) {
 498                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 499                 } else {
 500                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 501                 }
 502
 503                 items = this.model.store._arrayOfAllItems;
 504                 var item = items[0];
 505
 506                 for (var i = 0; i < items.length; i++) {
 507                         if (items[i] == treeItem) {
 508
 509                                 for (var j = i+1; j < items.length; j++) {
 510                                         var id = String(items[j].id);
 511                                         var box = this._itemNodesMap[id];
 512
 513                                         if (box) {
 514                                                 var row = box[0].rowNode;
 515                                                 var cat = box[0].rowNode.parentNode.parentNode;
 516
 517                                                 if (Element.visible(cat) && Element.visible(row)) {
 518                                                         item = items[j];
 519                                                         break;
 520                                                 }
 521                                         }
 522                                 }
 523                                 break;
 524                         }
 525                 }
 526
 527                 if (item) {
 528                         return [this.model.store.getValue(item, 'bare_id'),
 529                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 530                 } else {
 531                         return false;
 532                 }
 533         },
 534         getPreviousFeed: function (feed, is_cat) {
 535                 if (is_cat) {
 536                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 537                 } else {
 538                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 539                 }
 540
 541                 items = this.model.store._arrayOfAllItems;
 542                 var item = items[0] == treeItem ? items[items.length-1] : items[0];
 543
 544                 for (var i = 0; i < items.length; i++) {
 545                         if (items[i] == treeItem) {
 546
 547                                 for (var j = i-1; j > 0; j--) {
 548                                         var id = String(items[j].id);
 549                                         var box = this._itemNodesMap[id];
 550
 551                                         if (box) {
 552                                                 var row = box[0].rowNode;
 553                                                 var cat = box[0].rowNode.parentNode.parentNode;
 554
 555                                                 if (Element.visible(cat) && Element.visible(row)) {
 556                                                         item = items[j];
 557                                                         break;
 558                                                 }
 559                                         }
 560
 561                                 }
 562                                 break;
 563                         }
 564                 }
 565
 566                 if (item) {
 567                         return [this.model.store.getValue(item, 'bare_id'),
 568                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 569                 } else {
 570                         return false;
 571                 }
 572
 573         },
 574         getFeedCategory: function(feed) {
 575                 try {
 576                         return this.getNodesByItem(this.model.store.
 577                                         _itemsByIdentity["FEED:" + feed])[0].
 578                                         getParent().item.bare_id[0];
 579
 580                 } catch (e) {
 581                         return false;
 582                 }
 583         },
 584 });