js/FeedTree.js

   1 dojo.provide("fox.FeedTree");
   2 dojo.provide("fox.FeedStoreModel");
   3
   4 dojo.require("dijit.Tree");
   5 dojo.require("dijit.Menu");
   6
   7 dojo.declare("fox.FeedStoreModel", dijit.tree.ForestStoreModel, {
   8         getItemsInCategory: function (id) {
   9                 if (!this.store._itemsByIdentity) return undefined;
  10
  11                 cat = this.store._itemsByIdentity['CAT:' + id];
  12
  13                 if (cat && cat.items)
  14                         return cat.items;
  15                 else
  16                         return undefined;
  17
  18         },
  19         getItemById: function(id) {
  20                 return this.store._itemsByIdentity[id];
  21         },
  22         getFeedValue: function(feed, is_cat, key) {
  23                 if (!this.store._itemsByIdentity) return undefined;
  24
  25                 if (is_cat)
  26                         treeItem = this.store._itemsByIdentity['CAT:' + feed];
  27                 else
  28                         treeItem = this.store._itemsByIdentity['FEED:' + feed];
  29
  30                 if (treeItem)
  31                         return this.store.getValue(treeItem, key);
  32         },
  33         getFeedName: function(feed, is_cat) {
  34                 return this.getFeedValue(feed, is_cat, 'name');
  35         },
  36         getFeedUnread: function(feed, is_cat) {
  37                 var unread = parseInt(this.getFeedValue(feed, is_cat, 'unread'));
  38                 return (isNaN(unread)) ? 0 : unread;
  39         },
  40         setFeedUnread: function(feed, is_cat, unread) {
  41                 return this.setFeedValue(feed, is_cat, 'unread', parseInt(unread));
  42         },
  43         setFeedValue: function(feed, is_cat, key, value) {
  44                 if (!value) value = '';
  45                 if (!this.store._itemsByIdentity) return undefined;
  46
  47                 if (is_cat)
  48                         treeItem = this.store._itemsByIdentity['CAT:' + feed];
  49                 else
  50                         treeItem = this.store._itemsByIdentity['FEED:' + feed];
  51
  52                 if (treeItem)
  53                         return this.store.setValue(treeItem, key, value);
  54         },
  55         getNextUnreadFeed: function (feed, is_cat) {
  56                 if (!this.store._itemsByIdentity)
  57                         return null;
  58
  59                 if (is_cat) {
  60                         treeItem = this.store._itemsByIdentity['CAT:' + feed];
  61                         items = this.store._arrayOfTopLevelItems;
  62                 } else {
  63                         treeItem = this.store._itemsByIdentity['FEED:' + feed];
  64                         items = this.store._arrayOfAllItems;
  65                 }
  66
  67                 for (var i = 0; i < items.length; i++) {
  68                         if (items[i] == treeItem) {
  69
  70                                 for (var j = i+1; j < items.length; j++) {
  71                                         var unread = this.store.getValue(items[j], 'unread');
  72                                         var id = this.store.getValue(items[j], 'id');
  73
  74                                         if (unread > 0 && (is_cat || id.match("FEED:"))) return items[j];
  75                                 }
  76
  77                                 for (var j = 0; j < i; j++) {
  78                                         var unread = this.store.getValue(items[j], 'unread');
  79                                         var id = this.store.getValue(items[j], 'id');
  80
  81                                         if (unread > 0 && (is_cat || id.match("FEED:"))) return items[j];
  82                                 }
  83                         }
  84                 }
  85
  86                 return null;
  87         },
  88         hasCats: function() {
  89                 if (this.store && this.store._itemsByIdentity)
  90                         return this.store._itemsByIdentity['CAT:-1'] != undefined;
  91                 else
  92                         return false;
  93         },
  94 });
  95
  96 dojo.declare("fox.FeedTree", dijit.Tree, {
  97         _onKeyPress: function(/* Event */ e) {
  98                 return; // Stop dijit.Tree from interpreting keystrokes
  99         },
 100         _createTreeNode: function(args) {
 101                 var tnode = new dijit._TreeNode(args);
 102
 103                 if (args.item.icon)
 104                         tnode.iconNode.src = args.item.icon[0];
 105
 106                 var id = args.item.id[0];
 107                 var bare_id = parseInt(id.substr(id.indexOf(':')+1));
 108
 109                 if (bare_id < _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
 188                 //tnode.labelNode.innerHTML = args.label;
 189                 return tnode;
 190         },
 191         getIconClass: function (item, opened) {
 192                 return (!item || this.model.mayHaveChildren(item)) ? (opened ? "dijitFolderOpened" : "dijitFolderClosed") : "feedIcon";
 193         },
 194         getLabelClass: function (item, opened) {
 195                 return (item.unread == 0) ? "dijitTreeLabel" : "dijitTreeLabel Unread";
 196         },
 197         getRowClass: function (item, opened) {
 198                 return (!item.error || item.error == '') ? "dijitTreeRow" :
 199                         "dijitTreeRow Error";
 200         },
 201         getLabel: function(item) {
 202                 var name = String(item.name);
 203
 204                 /* Horrible */
 205                 name = name.replace(/&quot;/g, "\"");
 206                 name = name.replace(/&amp;/g, "&");
 207                 name = name.replace(/&mdash;/g, "-");
 208                 name = name.replace(/&lt;/g, "<");
 209                 name = name.replace(/&gt;/g, ">");
 210
 211                 var label;
 212
 213                 if (item.unread > 0) {
 214                         label = name + " (" + item.unread + ")";
 215                 } else {
 216                         label = name;
 217                 }
 218
 219                 return label;
 220         },
 221         expandParentNodes: function(feed, is_cat, list) {
 222                 try {
 223                         for (var i = 0; i < list.length; i++) {
 224                                 var id = String(list[i].id);
 225                                 var item = this._itemNodesMap[id];
 226
 227                                 if (item) {
 228                                         item = item[0];
 229                                         this._expandNode(item);
 230                                 }
 231                         }
 232                 } catch (e) {
 233                         exception_error("expandParentNodes", e);
 234                 }
 235         },
 236         findNodeParentsAndExpandThem: function(feed, is_cat, root, parents) {
 237                 // expands all parents of specified feed to properly mark it as active
 238                 // my fav thing about frameworks is doing everything myself
 239                 try {
 240                         var test_id = is_cat ? 'CAT:' + feed : 'FEED:' + feed;
 241
 242                         if (!root) {
 243                                 if (!this.model || !this.model.store) return false;
 244
 245                                 var items = this.model.store._arrayOfTopLevelItems;
 246
 247                                 for (var i = 0; i < items.length; i++) {
 248                                         if (String(items[i].id) == test_id) {
 249                                                 this.expandParentNodes(feed, is_cat, parents);
 250                                         } else {
 251                                                 this.findNodeParentsAndExpandThem(feed, is_cat, items[i], []);
 252                                         }
 253                                 }
 254                         } else {
 255                                 if (root.items) {
 256                                         parents.push(root);
 257
 258                                         for (var i = 0; i < root.items.length; i++) {
 259                                                 if (String(root.items[i].id) == test_id) {
 260                                                         this.expandParentNodes(feed, is_cat, parents);
 261                                                 } else {
 262                                                         this.findNodeParentsAndExpandThem(feed, is_cat, root.items[i], parents);
 263                                                 }
 264                                         }
 265                                 } else {
 266                                         if (String(root.id) == test_id) {
 267                                                 this.expandParentNodes(feed, is_cat, parents);
 268                                         }
 269                                 }
 270                         }
 271                 } catch (e) {
 272                         exception_error("findNodeParentsAndExpandThem", e);
 273                 }
 274         },
 275         selectFeed: function(feed, is_cat) {
 276                 this.findNodeParentsAndExpandThem(feed, is_cat, false, false);
 277
 278                 if (is_cat)
 279                         treeNode = this._itemNodesMap['CAT:' + feed];
 280                 else
 281                         treeNode = this._itemNodesMap['FEED:' + feed];
 282
 283                 if (treeNode) {
 284                         treeNode = treeNode[0];
 285                         if (!is_cat) this._expandNode(treeNode);
 286                         this.set("selectedNodes", [treeNode]);
 287                 }
 288         },
 289         setFeedIcon: function(feed, is_cat, src) {
 290                 if (is_cat)
 291                         treeNode = this._itemNodesMap['CAT:' + feed];
 292                 else
 293                         treeNode = this._itemNodesMap['FEED:' + feed];
 294
 295                 if (treeNode) {
 296                         treeNode = treeNode[0];
 297                         treeNode.iconNode.src = src;
 298                         return true;
 299                 }
 300                 return false;
 301         },
 302         setFeedExpandoIcon: function(feed, is_cat, src) {
 303                 if (is_cat)
 304                         treeNode = this._itemNodesMap['CAT:' + feed];
 305                 else
 306                         treeNode = this._itemNodesMap['FEED:' + feed];
 307
 308                 if (treeNode) {
 309                         treeNode = treeNode[0];
 310                         if (is_cat) {
 311                                 if (treeNode.loadingNode) {
 312                                         treeNode.loadingNode.src = src;
 313                                         return true;
 314                                 }
 315                         } else {
 316                                 treeNode.expandoNode.src = src;
 317                                 return true;
 318                         }
 319                 }
 320
 321                 return false;
 322         },
 323         hasCats: function() {
 324                 return this.model.hasCats();
 325         },
 326         hideReadCat: function (cat, hide, show_special) {
 327                 if (this.hasCats()) {
 328                         var tree = this;
 329
 330                         if (cat && cat.items) {
 331                                 var cat_unread = tree.hideReadFeeds(cat.items, hide, show_special);
 332
 333                                 var id = String(cat.id);
 334                                 var node = tree._itemNodesMap[id];
 335                                 var bare_id = parseInt(id.substr(id.indexOf(":")+1));
 336
 337                                 if (node) {
 338                                         var check_unread = tree.model.getFeedUnread(bare_id, true);
 339
 340                                         if (hide && cat_unread == 0 && check_unread == 0) {
 341                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 342                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 343                                         } else {
 344                                                 Element.show(node[0].rowNode);
 345                                                 ++cat_unread;
 346                                         }
 347                                 }
 348                         }
 349                 }
 350         },
 351         hideRead: function (hide, show_special) {
 352                 if (this.hasCats()) {
 353
 354                         var tree = this;
 355                         var cats = this.model.store._arrayOfTopLevelItems;
 356
 357                         cats.each(function(cat) {
 358                                 tree.hideReadCat(cat, hide, show_special);
 359                         });
 360
 361                 } else {
 362                         this.hideReadFeeds(this.model.store._arrayOfTopLevelItems, hide,
 363                                 show_special);
 364                 }
 365         },
 366         hideReadFeeds: function (items, hide, show_special) {
 367                 var tree = this;
 368                 var cat_unread = 0;
 369
 370                 items.each(function(feed) {
 371                         var id = String(feed.id);
 372
 373                         // it's a subcategory
 374                         if (feed.items) {
 375                                 tree.hideReadCat(feed, hide, show_special);
 376                         } else {        // it's a feed
 377                                 var bare_id = parseInt(feed.bare_id);;
 378
 379                                 var unread = feed.unread[0];
 380                                 var node = tree._itemNodesMap[id];
 381
 382                                 if (node) {
 383                                         if (hide && unread == 0 && (bare_id > 0 || bare_id < _label_base_index || !show_special)) {
 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                 return cat_unread;
 395         },
 396         collapseCat: function(id) {
 397                 if (!this.model.hasCats()) return;
 398
 399                 var tree = this;
 400
 401                 var node = tree._itemNodesMap['CAT:' + id][0];
 402                 var item = tree.model.store._itemsByIdentity['CAT:' + id];
 403
 404                 if (node && item) {
 405                         if (!node.isExpanded)
 406                                 tree._expandNode(node);
 407                         else
 408                                 tree._collapseNode(node);
 409
 410                 }
 411         },
 412         getVisibleUnreadFeeds: function() {
 413                 var items = this.model.store._arrayOfAllItems;
 414                 var rv = [];
 415
 416                 for (var i = 0; i < items.length; i++) {
 417                         var id = String(items[i].id);
 418                         var box = this._itemNodesMap[id];
 419
 420                         if (box) {
 421                                 var row = box[0].rowNode;
 422                                 var cat = false;
 423
 424                                 try {
 425                                         cat = box[0].rowNode.parentNode.parentNode;
 426                                 } catch (e) { }
 427
 428                                 if (row) {
 429                                         if (Element.visible(row) && (!cat || Element.visible(cat))) {
 430                                                 var feed_id = String(items[i].bare_id);
 431                                                 var is_cat = !id.match('FEED:');
 432                                                 var unread = this.model.getFeedUnread(feed_id, is_cat);
 433
 434                                                 if (unread > 0)
 435                                                         rv.push([feed_id, is_cat]);
 436
 437                                         }
 438                                 }
 439                         }
 440                 }
 441
 442                 return rv;
 443         },
 444         getNextFeed: function (feed, is_cat) {
 445                 if (is_cat) {
 446                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 447                 } else {
 448                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 449                 }
 450
 451                 items = this.model.store._arrayOfAllItems;
 452                 var item = items[0];
 453
 454                 for (var i = 0; i < items.length; i++) {
 455                         if (items[i] == treeItem) {
 456
 457                                 for (var j = i+1; j < items.length; j++) {
 458                                         var id = String(items[j].id);
 459                                         var box = this._itemNodesMap[id];
 460
 461                                         if (box) {
 462                                                 var row = box[0].rowNode;
 463                                                 var cat = box[0].rowNode.parentNode.parentNode;
 464
 465                                                 if (Element.visible(cat) && Element.visible(row)) {
 466                                                         item = items[j];
 467                                                         break;
 468                                                 }
 469                                         }
 470                                 }
 471                                 break;
 472                         }
 473                 }
 474
 475                 if (item) {
 476                         return [this.model.store.getValue(item, 'bare_id'),
 477                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 478                 } else {
 479                         return false;
 480                 }
 481         },
 482         getPreviousFeed: 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 > 0; 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                                 }
 510                                 break;
 511                         }
 512                 }
 513
 514                 if (item) {
 515                         return [this.model.store.getValue(item, 'bare_id'),
 516                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 517                 } else {
 518                         return false;
 519                 }
 520
 521         },
 522         getFeedCategory: function(feed) {
 523                 try {
 524                         return this.getNodesByItem(this.model.store.
 525                                         _itemsByIdentity["FEED:" + feed])[0].
 526                                         getParent().item.bare_id[0];
 527
 528                 } catch (e) {
 529                         return false;
 530                 }
 531         },
 532 });