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                 //tnode.labelNode.innerHTML = args.label;
 166                 return tnode;
 167         },
 168         getIconClass: function (item, opened) {
 169                 return (!item || this.model.mayHaveChildren(item)) ? (opened ? "dijitFolderOpened" : "dijitFolderClosed") : "feedIcon";
 170         },
 171         getLabelClass: function (item, opened) {
 172                 return (item.unread == 0) ? "dijitTreeLabel" : "dijitTreeLabel Unread";
 173         },
 174         getRowClass: function (item, opened) {
 175                 return (!item.error || item.error == '') ? "dijitTreeRow" :
 176                         "dijitTreeRow Error";
 177         },
 178         getLabel: function(item) {
 179                 var name = String(item.name);
 180
 181                 /* Horrible */
 182                 name = name.replace(/&quot;/g, "\"");
 183                 name = name.replace(/&amp;/g, "&");
 184                 name = name.replace(/&mdash;/g, "-");
 185                 name = name.replace(/&lt;/g, "<");
 186                 name = name.replace(/&gt;/g, ">");
 187
 188                 var label;
 189
 190                 if (item.unread > 0) {
 191                         label = name + " (" + item.unread + ")";
 192                 } else {
 193                         label = name;
 194                 }
 195
 196                 return label;
 197         },
 198         selectFeed: function(feed, is_cat) {
 199                 if (is_cat)
 200                         treeNode = this._itemNodesMap['CAT:' + feed];
 201                 else
 202                         treeNode = this._itemNodesMap['FEED:' + feed];
 203
 204                 if (treeNode) {
 205                         treeNode = treeNode[0];
 206                         if (!is_cat) this._expandNode(treeNode);
 207                         this.set("selectedNodes", [treeNode]);
 208                 }
 209         },
 210         setFeedIcon: function(feed, is_cat, src) {
 211                 if (is_cat)
 212                         treeNode = this._itemNodesMap['CAT:' + feed];
 213                 else
 214                         treeNode = this._itemNodesMap['FEED:' + feed];
 215
 216                 if (treeNode) {
 217                         treeNode = treeNode[0];
 218                         treeNode.iconNode.src = src;
 219                         return true;
 220                 }
 221                 return false;
 222         },
 223         setFeedExpandoIcon: function(feed, is_cat, src) {
 224                 if (is_cat)
 225                         treeNode = this._itemNodesMap['CAT:' + feed];
 226                 else
 227                         treeNode = this._itemNodesMap['FEED:' + feed];
 228
 229                 if (treeNode) {
 230                         treeNode = treeNode[0];
 231                         treeNode.expandoNode.src = src;
 232                         return true;
 233                 }
 234
 235                 return false;
 236         },
 237         hasCats: function() {
 238                 return this.model.hasCats();
 239         },
 240         hideReadCat: function (cat, hide, show_special) {
 241                 if (this.hasCats()) {
 242                         var tree = this;
 243
 244                         if (cat && cat.items) {
 245                                 var cat_unread = tree.hideReadFeeds(cat.items, hide, show_special);
 246
 247                                 var id = String(cat.id);
 248                                 var node = tree._itemNodesMap[id];
 249                                 var bare_id = parseInt(id.substr(id.indexOf(":")+1));
 250
 251                                 if (node) {
 252                                         var check_unread = tree.model.getFeedUnread(bare_id, true);
 253
 254                                         if (hide && cat_unread == 0 && check_unread == 0) {
 255                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 256                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 257                                         } else {
 258                                                 Element.show(node[0].rowNode);
 259                                                 ++cat_unread;
 260                                         }
 261                                 }
 262                         }
 263                 }
 264         },
 265         hideRead: function (hide, show_special) {
 266                 if (this.hasCats()) {
 267
 268                         var tree = this;
 269                         var cats = this.model.store._arrayOfTopLevelItems;
 270
 271                         cats.each(function(cat) {
 272                                 tree.hideReadCat(cat, hide, show_special);
 273                         });
 274
 275                 } else {
 276                         this.hideReadFeeds(this.model.store._arrayOfTopLevelItems, hide,
 277                                 show_special);
 278                 }
 279         },
 280         hideReadFeeds: function (items, hide, show_special) {
 281                 var tree = this;
 282                 var cat_unread = 0;
 283
 284                 items.each(function(feed) {
 285                         var id = String(feed.id);
 286
 287                         // it's a subcategory
 288                         if (feed.items) {
 289                                 tree.hideReadCat(feed, hide, show_special);
 290                         } else {        // it's a feed
 291                                 var bare_id = parseInt(feed.bare_id);;
 292
 293                                 var unread = feed.unread[0];
 294                                 var node = tree._itemNodesMap[id];
 295
 296                                 if (node) {
 297                                         if (hide && unread == 0 && (bare_id > 0 || !show_special)) {
 298                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 299                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 300                                         } else {
 301                                                 Element.show(node[0].rowNode);
 302                                                 ++cat_unread;
 303                                         }
 304                                 }
 305                         }
 306                 });
 307
 308                 return cat_unread;
 309         },
 310         collapseCat: function(id) {
 311                 if (!this.model.hasCats()) return;
 312
 313                 var tree = this;
 314
 315                 var node = tree._itemNodesMap['CAT:' + id][0];
 316                 var item = tree.model.store._itemsByIdentity['CAT:' + id];
 317
 318                 if (node && item) {
 319                         var hidden = tree.model.store.getValue(item, 'hidden');
 320
 321                         if (hidden)
 322                                 tree._expandNode(node);
 323                         else
 324                                 tree._collapseNode(node);
 325
 326                         tree.model.store.setValue(item, 'hidden', !hidden);
 327                 }
 328         },
 329         collapseHiddenCats: function() {
 330                 if (!this.model.hasCats()) return;
 331
 332                 var cats = this.model.store._arrayOfTopLevelItems;
 333                 var tree = this;
 334
 335                 dojo.forEach(cats, function(cat) {
 336                         var hidden = tree.model.store.getValue(cat, 'hidden');
 337                         var id = tree.model.store.getValue(cat, 'id');
 338                         var node = tree._itemNodesMap[id][0];
 339
 340                         if (hidden)
 341                                 tree._collapseNode(node);
 342                         else
 343                                 tree._expandNode(node);
 344
 345                 });
 346         },
 347         getVisibleUnreadFeeds: function() {
 348                 var items = this.model.store._arrayOfAllItems;
 349                 var rv = [];
 350
 351                 for (var i = 0; i < items.length; i++) {
 352                         var id = String(items[i].id);
 353                         var box = this._itemNodesMap[id];
 354
 355                         if (box) {
 356                                 var row = box[0].rowNode;
 357                                 var cat = false;
 358
 359                                 try {
 360                                         cat = box[0].rowNode.parentNode.parentNode;
 361                                 } catch (e) { }
 362
 363                                 if (row) {
 364                                         if (Element.visible(row) && (!cat || Element.visible(cat))) {
 365                                                 var feed_id = String(items[i].bare_id);
 366                                                 var is_cat = !id.match('FEED:');
 367                                                 var unread = this.model.getFeedUnread(feed_id, is_cat);
 368
 369                                                 if (unread > 0)
 370                                                         rv.push([feed_id, is_cat]);
 371
 372                                         }
 373                                 }
 374                         }
 375                 }
 376
 377                 return rv;
 378         },
 379         getNextFeed: function (feed, is_cat) {
 380                 if (is_cat) {
 381                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 382                 } else {
 383                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 384                 }
 385
 386                 items = this.model.store._arrayOfAllItems;
 387                 var item = items[0];
 388
 389                 for (var i = 0; i < items.length; i++) {
 390                         if (items[i] == treeItem) {
 391
 392                                 for (var j = i+1; j < items.length; j++) {
 393                                         var id = String(items[j].id);
 394                                         var box = this._itemNodesMap[id];
 395
 396                                         if (box) {
 397                                                 var row = box[0].rowNode;
 398                                                 var cat = box[0].rowNode.parentNode.parentNode;
 399
 400                                                 if (Element.visible(cat) && Element.visible(row)) {
 401                                                         item = items[j];
 402                                                         break;
 403                                                 }
 404                                         }
 405                                 }
 406                                 break;
 407                         }
 408                 }
 409
 410                 if (item) {
 411                         return [this.model.store.getValue(item, 'bare_id'),
 412                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 413                 } else {
 414                         return false;
 415                 }
 416         },
 417         getPreviousFeed: function (feed, is_cat) {
 418                 if (is_cat) {
 419                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 420                 } else {
 421                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 422                 }
 423
 424                 items = this.model.store._arrayOfAllItems;
 425                 var item = items[0];
 426
 427                 for (var i = 0; i < items.length; i++) {
 428                         if (items[i] == treeItem) {
 429
 430                                 for (var j = i-1; j > 0; j--) {
 431                                         var id = String(items[j].id);
 432                                         var box = this._itemNodesMap[id];
 433
 434                                         if (box) {
 435                                                 var row = box[0].rowNode;
 436                                                 var cat = box[0].rowNode.parentNode.parentNode;
 437
 438                                                 if (Element.visible(cat) && Element.visible(row)) {
 439                                                         item = items[j];
 440                                                         break;
 441                                                 }
 442                                         }
 443
 444                                 }
 445                                 break;
 446                         }
 447                 }
 448
 449                 if (item) {
 450                         return [this.model.store.getValue(item, 'bare_id'),
 451                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 452                 } else {
 453                         return false;
 454                 }
 455
 456         },
 457         getFeedCategory: function(feed) {
 458                 try {
 459                         return this.getNodesByItem(this.model.store.
 460                                         _itemsByIdentity["FEED:" + feed])[0].
 461                                         getParent().item.bare_id[0];
 462
 463                 } catch (e) {
 464                         return false;
 465                 }
 466         },
 467 });