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