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:") && bare_id == -1) {
 166                         var menu = new dijit.Menu();
 167                         menu.row_id = bare_id;
 168
 169                         menu.addChild(new dijit.MenuItem({
 170                                 label: __("Mark all feeds as read"),
 171                                 onClick: function() {
 172                                         catchupAllFeeds();
 173                                 }}));
 174
 175                         menu.bindDomNode(tnode.domNode);
 176                         tnode._menu = menu;
 177                 }
 178
 179
 180                 //tnode.labelNode.innerHTML = args.label;
 181                 return tnode;
 182         },
 183         getIconClass: function (item, opened) {
 184                 return (!item || this.model.mayHaveChildren(item)) ? (opened ? "dijitFolderOpened" : "dijitFolderClosed") : "feedIcon";
 185         },
 186         getLabelClass: function (item, opened) {
 187                 return (item.unread == 0) ? "dijitTreeLabel" : "dijitTreeLabel Unread";
 188         },
 189         getRowClass: function (item, opened) {
 190                 return (!item.error || item.error == '') ? "dijitTreeRow" :
 191                         "dijitTreeRow Error";
 192         },
 193         getLabel: function(item) {
 194                 var name = String(item.name);
 195
 196                 /* Horrible */
 197                 name = name.replace(/&quot;/g, "\"");
 198                 name = name.replace(/&amp;/g, "&");
 199                 name = name.replace(/&mdash;/g, "-");
 200                 name = name.replace(/&lt;/g, "<");
 201                 name = name.replace(/&gt;/g, ">");
 202
 203                 var label;
 204
 205                 if (item.unread > 0) {
 206                         label = name + " (" + item.unread + ")";
 207                 } else {
 208                         label = name;
 209                 }
 210
 211                 return label;
 212         },
 213         selectFeed: function(feed, is_cat) {
 214                 if (is_cat)
 215                         treeNode = this._itemNodesMap['CAT:' + feed];
 216                 else
 217                         treeNode = this._itemNodesMap['FEED:' + feed];
 218
 219                 if (treeNode) {
 220                         treeNode = treeNode[0];
 221                         if (!is_cat) this._expandNode(treeNode);
 222                         this.set("selectedNodes", [treeNode]);
 223                 }
 224         },
 225         setFeedIcon: function(feed, is_cat, src) {
 226                 if (is_cat)
 227                         treeNode = this._itemNodesMap['CAT:' + feed];
 228                 else
 229                         treeNode = this._itemNodesMap['FEED:' + feed];
 230
 231                 if (treeNode) {
 232                         treeNode = treeNode[0];
 233                         treeNode.iconNode.src = src;
 234                         return true;
 235                 }
 236                 return false;
 237         },
 238         setFeedExpandoIcon: function(feed, is_cat, src) {
 239                 if (is_cat)
 240                         treeNode = this._itemNodesMap['CAT:' + feed];
 241                 else
 242                         treeNode = this._itemNodesMap['FEED:' + feed];
 243
 244                 if (treeNode) {
 245                         treeNode = treeNode[0];
 246                         treeNode.expandoNode.src = src;
 247                         return true;
 248                 }
 249
 250                 return false;
 251         },
 252         hasCats: function() {
 253                 return this.model.hasCats();
 254         },
 255         hideReadCat: function (cat, hide, show_special) {
 256                 if (this.hasCats()) {
 257                         var tree = this;
 258
 259                         if (cat && cat.items) {
 260                                 var cat_unread = tree.hideReadFeeds(cat.items, hide, show_special);
 261
 262                                 var id = String(cat.id);
 263                                 var node = tree._itemNodesMap[id];
 264                                 var bare_id = parseInt(id.substr(id.indexOf(":")+1));
 265
 266                                 if (node) {
 267                                         var check_unread = tree.model.getFeedUnread(bare_id, true);
 268
 269                                         if (hide && cat_unread == 0 && check_unread == 0) {
 270                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 271                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 272                                         } else {
 273                                                 Element.show(node[0].rowNode);
 274                                                 ++cat_unread;
 275                                         }
 276                                 }
 277                         }
 278                 }
 279         },
 280         hideRead: function (hide, show_special) {
 281                 if (this.hasCats()) {
 282
 283                         var tree = this;
 284                         var cats = this.model.store._arrayOfTopLevelItems;
 285
 286                         cats.each(function(cat) {
 287                                 tree.hideReadCat(cat, hide, show_special);
 288                         });
 289
 290                 } else {
 291                         this.hideReadFeeds(this.model.store._arrayOfTopLevelItems, hide,
 292                                 show_special);
 293                 }
 294         },
 295         hideReadFeeds: function (items, hide, show_special) {
 296                 var tree = this;
 297                 var cat_unread = 0;
 298
 299                 items.each(function(feed) {
 300                         var id = String(feed.id);
 301
 302                         // it's a subcategory
 303                         if (feed.items) {
 304                                 tree.hideReadCat(feed, hide, show_special);
 305                         } else {        // it's a feed
 306                                 var bare_id = parseInt(feed.bare_id);;
 307
 308                                 var unread = feed.unread[0];
 309                                 var node = tree._itemNodesMap[id];
 310
 311                                 if (node) {
 312                                         if (hide && unread == 0 && (bare_id > 0 || bare_id < -10 || !show_special)) {
 313                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 314                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 315                                         } else {
 316                                                 Element.show(node[0].rowNode);
 317                                                 ++cat_unread;
 318                                         }
 319                                 }
 320                         }
 321                 });
 322
 323                 return cat_unread;
 324         },
 325         collapseCat: function(id) {
 326                 if (!this.model.hasCats()) return;
 327
 328                 var tree = this;
 329
 330                 var node = tree._itemNodesMap['CAT:' + id][0];
 331                 var item = tree.model.store._itemsByIdentity['CAT:' + id];
 332
 333                 if (node && item) {
 334                         if (!node.isExpanded)
 335                                 tree._expandNode(node);
 336                         else
 337                                 tree._collapseNode(node);
 338
 339                 }
 340         },
 341         getVisibleUnreadFeeds: function() {
 342                 var items = this.model.store._arrayOfAllItems;
 343                 var rv = [];
 344
 345                 for (var i = 0; i < items.length; i++) {
 346                         var id = String(items[i].id);
 347                         var box = this._itemNodesMap[id];
 348
 349                         if (box) {
 350                                 var row = box[0].rowNode;
 351                                 var cat = false;
 352
 353                                 try {
 354                                         cat = box[0].rowNode.parentNode.parentNode;
 355                                 } catch (e) { }
 356
 357                                 if (row) {
 358                                         if (Element.visible(row) && (!cat || Element.visible(cat))) {
 359                                                 var feed_id = String(items[i].bare_id);
 360                                                 var is_cat = !id.match('FEED:');
 361                                                 var unread = this.model.getFeedUnread(feed_id, is_cat);
 362
 363                                                 if (unread > 0)
 364                                                         rv.push([feed_id, is_cat]);
 365
 366                                         }
 367                                 }
 368                         }
 369                 }
 370
 371                 return rv;
 372         },
 373         getNextFeed: function (feed, is_cat) {
 374                 if (is_cat) {
 375                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 376                 } else {
 377                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 378                 }
 379
 380                 items = this.model.store._arrayOfAllItems;
 381                 var item = items[0];
 382
 383                 for (var i = 0; i < items.length; i++) {
 384                         if (items[i] == treeItem) {
 385
 386                                 for (var j = i+1; j < items.length; j++) {
 387                                         var id = String(items[j].id);
 388                                         var box = this._itemNodesMap[id];
 389
 390                                         if (box) {
 391                                                 var row = box[0].rowNode;
 392                                                 var cat = box[0].rowNode.parentNode.parentNode;
 393
 394                                                 if (Element.visible(cat) && Element.visible(row)) {
 395                                                         item = items[j];
 396                                                         break;
 397                                                 }
 398                                         }
 399                                 }
 400                                 break;
 401                         }
 402                 }
 403
 404                 if (item) {
 405                         return [this.model.store.getValue(item, 'bare_id'),
 406                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 407                 } else {
 408                         return false;
 409                 }
 410         },
 411         getPreviousFeed: function (feed, is_cat) {
 412                 if (is_cat) {
 413                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 414                 } else {
 415                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 416                 }
 417
 418                 items = this.model.store._arrayOfAllItems;
 419                 var item = items[0];
 420
 421                 for (var i = 0; i < items.length; i++) {
 422                         if (items[i] == treeItem) {
 423
 424                                 for (var j = i-1; j > 0; j--) {
 425                                         var id = String(items[j].id);
 426                                         var box = this._itemNodesMap[id];
 427
 428                                         if (box) {
 429                                                 var row = box[0].rowNode;
 430                                                 var cat = box[0].rowNode.parentNode.parentNode;
 431
 432                                                 if (Element.visible(cat) && Element.visible(row)) {
 433                                                         item = items[j];
 434                                                         break;
 435                                                 }
 436                                         }
 437
 438                                 }
 439                                 break;
 440                         }
 441                 }
 442
 443                 if (item) {
 444                         return [this.model.store.getValue(item, 'bare_id'),
 445                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 446                 } else {
 447                         return false;
 448                 }
 449
 450         },
 451         getFeedCategory: function(feed) {
 452                 try {
 453                         return this.getNodesByItem(this.model.store.
 454                                         _itemsByIdentity["FEED:" + feed])[0].
 455                                         getParent().item.bare_id[0];
 456
 457                 } catch (e) {
 458                         return false;
 459                 }
 460         },
 461 });