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 < -10) {
 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         selectFeed: function(feed, is_cat) {
 222                 if (is_cat)
 223                         treeNode = this._itemNodesMap['CAT:' + feed];
 224                 else
 225                         treeNode = this._itemNodesMap['FEED:' + feed];
 226
 227                 if (treeNode) {
 228                         treeNode = treeNode[0];
 229                         if (!is_cat) this._expandNode(treeNode);
 230                         this.set("selectedNodes", [treeNode]);
 231                 }
 232         },
 233         setFeedIcon: function(feed, is_cat, src) {
 234                 if (is_cat)
 235                         treeNode = this._itemNodesMap['CAT:' + feed];
 236                 else
 237                         treeNode = this._itemNodesMap['FEED:' + feed];
 238
 239                 if (treeNode) {
 240                         treeNode = treeNode[0];
 241                         treeNode.iconNode.src = src;
 242                         return true;
 243                 }
 244                 return false;
 245         },
 246         setFeedExpandoIcon: function(feed, is_cat, src) {
 247                 if (is_cat)
 248                         treeNode = this._itemNodesMap['CAT:' + feed];
 249                 else
 250                         treeNode = this._itemNodesMap['FEED:' + feed];
 251
 252                 if (treeNode) {
 253                         treeNode = treeNode[0];
 254                         if (is_cat) {
 255                                 if (treeNode.loadingNode) {
 256                                         treeNode.loadingNode.src = src;
 257                                         return true;
 258                                 }
 259                         } else {
 260                                 treeNode.expandoNode.src = src;
 261                                 return true;
 262                         }
 263                 }
 264
 265                 return false;
 266         },
 267         hasCats: function() {
 268                 return this.model.hasCats();
 269         },
 270         hideReadCat: function (cat, hide, show_special) {
 271                 if (this.hasCats()) {
 272                         var tree = this;
 273
 274                         if (cat && cat.items) {
 275                                 var cat_unread = tree.hideReadFeeds(cat.items, hide, show_special);
 276
 277                                 var id = String(cat.id);
 278                                 var node = tree._itemNodesMap[id];
 279                                 var bare_id = parseInt(id.substr(id.indexOf(":")+1));
 280
 281                                 if (node) {
 282                                         var check_unread = tree.model.getFeedUnread(bare_id, true);
 283
 284                                         if (hide && cat_unread == 0 && check_unread == 0) {
 285                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 286                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 287                                         } else {
 288                                                 Element.show(node[0].rowNode);
 289                                                 ++cat_unread;
 290                                         }
 291                                 }
 292                         }
 293                 }
 294         },
 295         hideRead: function (hide, show_special) {
 296                 if (this.hasCats()) {
 297
 298                         var tree = this;
 299                         var cats = this.model.store._arrayOfTopLevelItems;
 300
 301                         cats.each(function(cat) {
 302                                 tree.hideReadCat(cat, hide, show_special);
 303                         });
 304
 305                 } else {
 306                         this.hideReadFeeds(this.model.store._arrayOfTopLevelItems, hide,
 307                                 show_special);
 308                 }
 309         },
 310         hideReadFeeds: function (items, hide, show_special) {
 311                 var tree = this;
 312                 var cat_unread = 0;
 313
 314                 items.each(function(feed) {
 315                         var id = String(feed.id);
 316
 317                         // it's a subcategory
 318                         if (feed.items) {
 319                                 tree.hideReadCat(feed, hide, show_special);
 320                         } else {        // it's a feed
 321                                 var bare_id = parseInt(feed.bare_id);;
 322
 323                                 var unread = feed.unread[0];
 324                                 var node = tree._itemNodesMap[id];
 325
 326                                 if (node) {
 327                                         if (hide && unread == 0 && (bare_id > 0 || bare_id < -10 || !show_special)) {
 328                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 329                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 330                                         } else {
 331                                                 Element.show(node[0].rowNode);
 332                                                 ++cat_unread;
 333                                         }
 334                                 }
 335                         }
 336                 });
 337
 338                 return cat_unread;
 339         },
 340         collapseCat: function(id) {
 341                 if (!this.model.hasCats()) return;
 342
 343                 var tree = this;
 344
 345                 var node = tree._itemNodesMap['CAT:' + id][0];
 346                 var item = tree.model.store._itemsByIdentity['CAT:' + id];
 347
 348                 if (node && item) {
 349                         if (!node.isExpanded)
 350                                 tree._expandNode(node);
 351                         else
 352                                 tree._collapseNode(node);
 353
 354                 }
 355         },
 356         getVisibleUnreadFeeds: function() {
 357                 var items = this.model.store._arrayOfAllItems;
 358                 var rv = [];
 359
 360                 for (var i = 0; i < items.length; i++) {
 361                         var id = String(items[i].id);
 362                         var box = this._itemNodesMap[id];
 363
 364                         if (box) {
 365                                 var row = box[0].rowNode;
 366                                 var cat = false;
 367
 368                                 try {
 369                                         cat = box[0].rowNode.parentNode.parentNode;
 370                                 } catch (e) { }
 371
 372                                 if (row) {
 373                                         if (Element.visible(row) && (!cat || Element.visible(cat))) {
 374                                                 var feed_id = String(items[i].bare_id);
 375                                                 var is_cat = !id.match('FEED:');
 376                                                 var unread = this.model.getFeedUnread(feed_id, is_cat);
 377
 378                                                 if (unread > 0)
 379                                                         rv.push([feed_id, is_cat]);
 380
 381                                         }
 382                                 }
 383                         }
 384                 }
 385
 386                 return rv;
 387         },
 388         getNextFeed: function (feed, is_cat) {
 389                 if (is_cat) {
 390                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 391                 } else {
 392                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 393                 }
 394
 395                 items = this.model.store._arrayOfAllItems;
 396                 var item = items[0];
 397
 398                 for (var i = 0; i < items.length; i++) {
 399                         if (items[i] == treeItem) {
 400
 401                                 for (var j = i+1; j < items.length; j++) {
 402                                         var id = String(items[j].id);
 403                                         var box = this._itemNodesMap[id];
 404
 405                                         if (box) {
 406                                                 var row = box[0].rowNode;
 407                                                 var cat = box[0].rowNode.parentNode.parentNode;
 408
 409                                                 if (Element.visible(cat) && Element.visible(row)) {
 410                                                         item = items[j];
 411                                                         break;
 412                                                 }
 413                                         }
 414                                 }
 415                                 break;
 416                         }
 417                 }
 418
 419                 if (item) {
 420                         return [this.model.store.getValue(item, 'bare_id'),
 421                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 422                 } else {
 423                         return false;
 424                 }
 425         },
 426         getPreviousFeed: function (feed, is_cat) {
 427                 if (is_cat) {
 428                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 429                 } else {
 430                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 431                 }
 432
 433                 items = this.model.store._arrayOfAllItems;
 434                 var item = items[0];
 435
 436                 for (var i = 0; i < items.length; i++) {
 437                         if (items[i] == treeItem) {
 438
 439                                 for (var j = i-1; j > 0; j--) {
 440                                         var id = String(items[j].id);
 441                                         var box = this._itemNodesMap[id];
 442
 443                                         if (box) {
 444                                                 var row = box[0].rowNode;
 445                                                 var cat = box[0].rowNode.parentNode.parentNode;
 446
 447                                                 if (Element.visible(cat) && Element.visible(row)) {
 448                                                         item = items[j];
 449                                                         break;
 450                                                 }
 451                                         }
 452
 453                                 }
 454                                 break;
 455                         }
 456                 }
 457
 458                 if (item) {
 459                         return [this.model.store.getValue(item, 'bare_id'),
 460                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 461                 } else {
 462                         return false;
 463                 }
 464
 465         },
 466         getFeedCategory: function(feed) {
 467                 try {
 468                         return this.getNodesByItem(this.model.store.
 469                                         _itemsByIdentity["FEED:" + feed])[0].
 470                                         getParent().item.bare_id[0];
 471
 472                 } catch (e) {
 473                         return false;
 474                 }
 475         },
 476 });