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                         dojo.place(loading, tnode.labelNode, 'after');
 169                         tnode.loadingNode = loading;
 170                 }
 171
 172                 if (id.match("CAT:") && bare_id == -1) {
 173                         var menu = new dijit.Menu();
 174                         menu.row_id = bare_id;
 175
 176                         menu.addChild(new dijit.MenuItem({
 177                                 label: __("Mark all feeds as read"),
 178                                 onClick: function() {
 179                                         catchupAllFeeds();
 180                                 }}));
 181
 182                         menu.bindDomNode(tnode.domNode);
 183                         tnode._menu = menu;
 184                 }
 185
 186
 187                 //tnode.labelNode.innerHTML = args.label;
 188                 return tnode;
 189         },
 190         getIconClass: function (item, opened) {
 191                 return (!item || this.model.mayHaveChildren(item)) ? (opened ? "dijitFolderOpened" : "dijitFolderClosed") : "feedIcon";
 192         },
 193         getLabelClass: function (item, opened) {
 194                 return (item.unread == 0) ? "dijitTreeLabel" : "dijitTreeLabel Unread";
 195         },
 196         getRowClass: function (item, opened) {
 197                 return (!item.error || item.error == '') ? "dijitTreeRow" :
 198                         "dijitTreeRow Error";
 199         },
 200         getLabel: function(item) {
 201                 var name = String(item.name);
 202
 203                 /* Horrible */
 204                 name = name.replace(/&quot;/g, "\"");
 205                 name = name.replace(/&amp;/g, "&");
 206                 name = name.replace(/&mdash;/g, "-");
 207                 name = name.replace(/&lt;/g, "<");
 208                 name = name.replace(/&gt;/g, ">");
 209
 210                 var label;
 211
 212                 if (item.unread > 0) {
 213                         label = name + " (" + item.unread + ")";
 214                 } else {
 215                         label = name;
 216                 }
 217
 218                 return label;
 219         },
 220         selectFeed: function(feed, is_cat) {
 221                 if (is_cat)
 222                         treeNode = this._itemNodesMap['CAT:' + feed];
 223                 else
 224                         treeNode = this._itemNodesMap['FEED:' + feed];
 225
 226                 if (treeNode) {
 227                         treeNode = treeNode[0];
 228                         if (!is_cat) this._expandNode(treeNode);
 229                         this.set("selectedNodes", [treeNode]);
 230                 }
 231         },
 232         setFeedIcon: function(feed, is_cat, src) {
 233                 if (is_cat)
 234                         treeNode = this._itemNodesMap['CAT:' + feed];
 235                 else
 236                         treeNode = this._itemNodesMap['FEED:' + feed];
 237
 238                 if (treeNode) {
 239                         treeNode = treeNode[0];
 240                         treeNode.iconNode.src = src;
 241                         return true;
 242                 }
 243                 return false;
 244         },
 245         setFeedExpandoIcon: function(feed, is_cat, src) {
 246                 if (is_cat)
 247                         treeNode = this._itemNodesMap['CAT:' + feed];
 248                 else
 249                         treeNode = this._itemNodesMap['FEED:' + feed];
 250
 251                 if (treeNode) {
 252                         treeNode = treeNode[0];
 253                         if (is_cat) {
 254                                 if (treeNode.loadingNode) {
 255                                         treeNode.loadingNode.src = src;
 256                                         return true;
 257                                 }
 258                         } else {
 259                                 treeNode.expandoNode.src = src;
 260                                 return true;
 261                         }
 262                 }
 263
 264                 return false;
 265         },
 266         hasCats: function() {
 267                 return this.model.hasCats();
 268         },
 269         hideReadCat: function (cat, hide, show_special) {
 270                 if (this.hasCats()) {
 271                         var tree = this;
 272
 273                         if (cat && cat.items) {
 274                                 var cat_unread = tree.hideReadFeeds(cat.items, hide, show_special);
 275
 276                                 var id = String(cat.id);
 277                                 var node = tree._itemNodesMap[id];
 278                                 var bare_id = parseInt(id.substr(id.indexOf(":")+1));
 279
 280                                 if (node) {
 281                                         var check_unread = tree.model.getFeedUnread(bare_id, true);
 282
 283                                         if (hide && cat_unread == 0 && check_unread == 0) {
 284                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 285                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 286                                         } else {
 287                                                 Element.show(node[0].rowNode);
 288                                                 ++cat_unread;
 289                                         }
 290                                 }
 291                         }
 292                 }
 293         },
 294         hideRead: function (hide, show_special) {
 295                 if (this.hasCats()) {
 296
 297                         var tree = this;
 298                         var cats = this.model.store._arrayOfTopLevelItems;
 299
 300                         cats.each(function(cat) {
 301                                 tree.hideReadCat(cat, hide, show_special);
 302                         });
 303
 304                 } else {
 305                         this.hideReadFeeds(this.model.store._arrayOfTopLevelItems, hide,
 306                                 show_special);
 307                 }
 308         },
 309         hideReadFeeds: function (items, hide, show_special) {
 310                 var tree = this;
 311                 var cat_unread = 0;
 312
 313                 items.each(function(feed) {
 314                         var id = String(feed.id);
 315
 316                         // it's a subcategory
 317                         if (feed.items) {
 318                                 tree.hideReadCat(feed, hide, show_special);
 319                         } else {        // it's a feed
 320                                 var bare_id = parseInt(feed.bare_id);;
 321
 322                                 var unread = feed.unread[0];
 323                                 var node = tree._itemNodesMap[id];
 324
 325                                 if (node) {
 326                                         if (hide && unread == 0 && (bare_id > 0 || bare_id < -10 || !show_special)) {
 327                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 328                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 329                                         } else {
 330                                                 Element.show(node[0].rowNode);
 331                                                 ++cat_unread;
 332                                         }
 333                                 }
 334                         }
 335                 });
 336
 337                 return cat_unread;
 338         },
 339         collapseCat: function(id) {
 340                 if (!this.model.hasCats()) return;
 341
 342                 var tree = this;
 343
 344                 var node = tree._itemNodesMap['CAT:' + id][0];
 345                 var item = tree.model.store._itemsByIdentity['CAT:' + id];
 346
 347                 if (node && item) {
 348                         if (!node.isExpanded)
 349                                 tree._expandNode(node);
 350                         else
 351                                 tree._collapseNode(node);
 352
 353                 }
 354         },
 355         getVisibleUnreadFeeds: function() {
 356                 var items = this.model.store._arrayOfAllItems;
 357                 var rv = [];
 358
 359                 for (var i = 0; i < items.length; i++) {
 360                         var id = String(items[i].id);
 361                         var box = this._itemNodesMap[id];
 362
 363                         if (box) {
 364                                 var row = box[0].rowNode;
 365                                 var cat = false;
 366
 367                                 try {
 368                                         cat = box[0].rowNode.parentNode.parentNode;
 369                                 } catch (e) { }
 370
 371                                 if (row) {
 372                                         if (Element.visible(row) && (!cat || Element.visible(cat))) {
 373                                                 var feed_id = String(items[i].bare_id);
 374                                                 var is_cat = !id.match('FEED:');
 375                                                 var unread = this.model.getFeedUnread(feed_id, is_cat);
 376
 377                                                 if (unread > 0)
 378                                                         rv.push([feed_id, is_cat]);
 379
 380                                         }
 381                                 }
 382                         }
 383                 }
 384
 385                 return rv;
 386         },
 387         getNextFeed: function (feed, is_cat) {
 388                 if (is_cat) {
 389                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 390                 } else {
 391                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 392                 }
 393
 394                 items = this.model.store._arrayOfAllItems;
 395                 var item = items[0];
 396
 397                 for (var i = 0; i < items.length; i++) {
 398                         if (items[i] == treeItem) {
 399
 400                                 for (var j = i+1; j < items.length; j++) {
 401                                         var id = String(items[j].id);
 402                                         var box = this._itemNodesMap[id];
 403
 404                                         if (box) {
 405                                                 var row = box[0].rowNode;
 406                                                 var cat = box[0].rowNode.parentNode.parentNode;
 407
 408                                                 if (Element.visible(cat) && Element.visible(row)) {
 409                                                         item = items[j];
 410                                                         break;
 411                                                 }
 412                                         }
 413                                 }
 414                                 break;
 415                         }
 416                 }
 417
 418                 if (item) {
 419                         return [this.model.store.getValue(item, 'bare_id'),
 420                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 421                 } else {
 422                         return false;
 423                 }
 424         },
 425         getPreviousFeed: function (feed, is_cat) {
 426                 if (is_cat) {
 427                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 428                 } else {
 429                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 430                 }
 431
 432                 items = this.model.store._arrayOfAllItems;
 433                 var item = items[0];
 434
 435                 for (var i = 0; i < items.length; i++) {
 436                         if (items[i] == treeItem) {
 437
 438                                 for (var j = i-1; j > 0; j--) {
 439                                         var id = String(items[j].id);
 440                                         var box = this._itemNodesMap[id];
 441
 442                                         if (box) {
 443                                                 var row = box[0].rowNode;
 444                                                 var cat = box[0].rowNode.parentNode.parentNode;
 445
 446                                                 if (Element.visible(cat) && Element.visible(row)) {
 447                                                         item = items[j];
 448                                                         break;
 449                                                 }
 450                                         }
 451
 452                                 }
 453                                 break;
 454                         }
 455                 }
 456
 457                 if (item) {
 458                         return [this.model.store.getValue(item, 'bare_id'),
 459                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 460                 } else {
 461                         return false;
 462                 }
 463
 464         },
 465         getFeedCategory: function(feed) {
 466                 try {
 467                         return this.getNodesByItem(this.model.store.
 468                                         _itemsByIdentity["FEED:" + feed])[0].
 469                                         getParent().item.bare_id[0];
 470
 471                 } catch (e) {
 472                         return false;
 473                 }
 474         },
 475 });