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