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("CAT:") && bare_id > 0) {
 124                         param = dojo.doc.createElement('span');
 125                         param.className = 'feedParam';
 126                         param.innerHTML = "";
 127                         dojo.place(param, tnode.labelNode, 'after');
 128                         tnode._paramNode = param;
 129                 }
 130
 131                 if (id.match("FEED:") && bare_id > 0) {
 132                         var menu = new dijit.Menu();
 133                         menu.row_id = bare_id;
 134
 135                         menu.addChild(new dijit.MenuItem({
 136                                 label: __("Mark as read"),
 137                                 onClick: function() {
 138                                         catchupFeed(this.getParent().row_id);
 139                                 }}));
 140
 141                         menu.addChild(new dijit.MenuItem({
 142                                 label: __("Edit feed"),
 143                                 onClick: function() {
 144                                         editFeed(this.getParent().row_id, false);
 145                                 }}));
 146
 147                         menu.addChild(new dijit.MenuItem({
 148                                 label: __("Update feed"),
 149                                 onClick: function() {
 150                                         scheduleFeedUpdate(this.getParent().row_id, false);
 151                                 }}));
 152
 153                         menu.bindDomNode(tnode.domNode);
 154                         tnode._menu = menu;
 155                 }
 156
 157                 if (id.match("CAT:") && bare_id > 0) {
 158                         var menu = new dijit.Menu();
 159                         menu.row_id = bare_id;
 160
 161                         menu.addChild(new dijit.MenuItem({
 162                                 label: __("Mark as read"),
 163                                 onClick: function() {
 164                                         catchupFeed(this.getParent().row_id, true);
 165                                 }}));
 166
 167                         menu.bindDomNode(tnode.domNode);
 168                         tnode._menu = menu;
 169                 }
 170
 171                 //tnode.labelNode.innerHTML = args.label;
 172                 return tnode;
 173         },
 174         getIconClass: function (item, opened) {
 175                 return (!item || this.model.mayHaveChildren(item)) ? (opened ? "dijitFolderOpened" : "dijitFolderClosed") : "feedIcon";
 176         },
 177         getLabelClass: function (item, opened) {
 178                 return (item.unread == 0) ? "dijitTreeLabel" : "dijitTreeLabel Unread";
 179         },
 180         getRowClass: function (item, opened) {
 181                 return (!item.error || item.error == '') ? "dijitTreeRow" :
 182                         "dijitTreeRow Error";
 183         },
 184         getLabel: function(item) {
 185                 var name = String(item.name);
 186
 187                 /* Horrible */
 188                 name = name.replace(/&quot;/g, "\"");
 189                 name = name.replace(/&amp;/g, "&");
 190                 name = name.replace(/&mdash;/g, "-");
 191                 name = name.replace(/&lt;/g, "<");
 192                 name = name.replace(/&gt;/g, ">");
 193
 194                 var label;
 195
 196                 if (item.unread > 0) {
 197                         label = name + " (" + item.unread + ")";
 198                 } else {
 199                         label = name;
 200                 }
 201
 202                 return label;
 203         },
 204         selectFeed: function(feed, is_cat) {
 205                 if (is_cat)
 206                         treeNode = this._itemNodesMap['CAT:' + feed];
 207                 else
 208                         treeNode = this._itemNodesMap['FEED:' + feed];
 209
 210                 if (treeNode) {
 211                         treeNode = treeNode[0];
 212                         if (!is_cat) this._expandNode(treeNode);
 213                         this.set("selectedNodes", [treeNode]);
 214                 }
 215         },
 216         setFeedIcon: function(feed, is_cat, src) {
 217                 if (is_cat)
 218                         treeNode = this._itemNodesMap['CAT:' + feed];
 219                 else
 220                         treeNode = this._itemNodesMap['FEED:' + feed];
 221
 222                 if (treeNode) {
 223                         treeNode = treeNode[0];
 224                         treeNode.iconNode.src = src;
 225                         return true;
 226                 }
 227                 return false;
 228         },
 229         setFeedExpandoIcon: function(feed, is_cat, src) {
 230                 if (is_cat)
 231                         treeNode = this._itemNodesMap['CAT:' + feed];
 232                 else
 233                         treeNode = this._itemNodesMap['FEED:' + feed];
 234
 235                 if (treeNode) {
 236                         treeNode = treeNode[0];
 237                         treeNode.expandoNode.src = src;
 238                         return true;
 239                 }
 240
 241                 return false;
 242         },
 243         hasCats: function() {
 244                 return this.model.hasCats();
 245         },
 246         hideRead: function (hide, show_special) {
 247                 if (this.hasCats()) {
 248
 249                         var tree = this;
 250                         var cats = this.model.store._arrayOfTopLevelItems;
 251
 252                         cats.each(function(cat) {
 253                                 var cat_unread = tree.hideReadFeeds(cat.items, hide, show_special);
 254
 255                                 var id = String(cat.id);
 256                                 var node = tree._itemNodesMap[id];
 257                                 var bare_id = parseInt(id.substr(id.indexOf(":")+1));
 258
 259                                 if (node) {
 260                                         var check_unread = tree.model.getFeedUnread(bare_id, true);
 261
 262                                         if (hide && cat_unread == 0 && check_unread == 0) {
 263                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 264                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 265                                         } else {
 266                                                 Element.show(node[0].rowNode);
 267                                                 ++cat_unread;
 268                                         }
 269                                 }
 270                         });
 271
 272                 } else {
 273                         this.hideReadFeeds(this.model.store._arrayOfTopLevelItems, hide,
 274                                 show_special);
 275                 }
 276         },
 277         hideReadFeeds: function (items, hide, show_special) {
 278                 var tree = this;
 279                 var cat_unread = 0;
 280
 281                 items.each(function(feed) {
 282                         var id = String(feed.id);
 283                         var bare_id = parseInt(feed.bare_id);;
 284
 285                         var unread = feed.unread[0];
 286                         var node = tree._itemNodesMap[id];
 287
 288                         if (node) {
 289                                 if (hide && unread == 0 && (bare_id > 0 || !show_special)) {
 290                                         Effect.Fade(node[0].rowNode, {duration : 0.3,
 291                                                 queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 292                                 } else {
 293                                         Element.show(node[0].rowNode);
 294                                         ++cat_unread;
 295                                 }
 296                         }
 297                 });
 298
 299                 return cat_unread;
 300         },
 301         collapseCat: function(id) {
 302                 if (!this.model.hasCats()) return;
 303
 304                 var tree = this;
 305
 306                 var node = tree._itemNodesMap['CAT:' + id][0];
 307                 var item = tree.model.store._itemsByIdentity['CAT:' + id];
 308
 309                 if (node && item) {
 310                         var hidden = tree.model.store.getValue(item, 'hidden');
 311
 312                         if (hidden)
 313                                 tree._expandNode(node);
 314                         else
 315                                 tree._collapseNode(node);
 316
 317                         tree.model.store.setValue(item, 'hidden', !hidden);
 318                 }
 319         },
 320         collapseHiddenCats: function() {
 321                 if (!this.model.hasCats()) return;
 322
 323                 var cats = this.model.store._arrayOfTopLevelItems;
 324                 var tree = this;
 325
 326                 dojo.forEach(cats, function(cat) {
 327                         var hidden = tree.model.store.getValue(cat, 'hidden');
 328                         var id = tree.model.store.getValue(cat, 'id');
 329                         var node = tree._itemNodesMap[id][0];
 330
 331                         if (hidden)
 332                                 tree._collapseNode(node);
 333                         else
 334                                 tree._expandNode(node);
 335
 336                 });
 337         },
 338         getVisibleUnreadFeeds: function() {
 339                 var items = this.model.store._arrayOfAllItems;
 340                 var rv = [];
 341
 342                 for (var i = 0; i < items.length; i++) {
 343                         var id = String(items[i].id);
 344                         var box = this._itemNodesMap[id];
 345
 346                         if (box) {
 347                                 var row = box[0].rowNode;
 348                                 var cat = false;
 349
 350                                 try {
 351                                         cat = box[0].rowNode.parentNode.parentNode;
 352                                 } catch (e) { }
 353
 354                                 if (row) {
 355                                         if (Element.visible(row) && (!cat || Element.visible(cat))) {
 356                                                 var feed_id = String(items[i].bare_id);
 357                                                 var is_cat = !id.match('FEED:');
 358                                                 var unread = this.model.getFeedUnread(feed_id, is_cat);
 359
 360                                                 if (unread > 0)
 361                                                         rv.push([feed_id, is_cat]);
 362
 363                                         }
 364                                 }
 365                         }
 366                 }
 367
 368                 return rv;
 369         },
 370         getNextFeed: function (feed, is_cat) {
 371                 if (is_cat) {
 372                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 373                 } else {
 374                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 375                 }
 376
 377                 items = this.model.store._arrayOfAllItems;
 378                 var item = items[0];
 379
 380                 for (var i = 0; i < items.length; i++) {
 381                         if (items[i] == treeItem) {
 382
 383                                 for (var j = i+1; j < items.length; j++) {
 384                                         var id = String(items[j].id);
 385                                         var box = this._itemNodesMap[id];
 386
 387                                         if (box) {
 388                                                 var row = box[0].rowNode;
 389                                                 var cat = box[0].rowNode.parentNode.parentNode;
 390
 391                                                 if (Element.visible(cat) && Element.visible(row)) {
 392                                                         item = items[j];
 393                                                         break;
 394                                                 }
 395                                         }
 396                                 }
 397                                 break;
 398                         }
 399                 }
 400
 401                 if (item) {
 402                         return [this.model.store.getValue(item, 'bare_id'),
 403                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 404                 } else {
 405                         return false;
 406                 }
 407         },
 408         getPreviousFeed: function (feed, is_cat) {
 409                 if (is_cat) {
 410                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 411                 } else {
 412                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 413                 }
 414
 415                 items = this.model.store._arrayOfAllItems;
 416                 var item = items[0];
 417
 418                 for (var i = 0; i < items.length; i++) {
 419                         if (items[i] == treeItem) {
 420
 421                                 for (var j = i-1; j > 0; j--) {
 422                                         var id = String(items[j].id);
 423                                         var box = this._itemNodesMap[id];
 424
 425                                         if (box) {
 426                                                 var row = box[0].rowNode;
 427                                                 var cat = box[0].rowNode.parentNode.parentNode;
 428
 429                                                 if (Element.visible(cat) && Element.visible(row)) {
 430                                                         item = items[j];
 431                                                         break;
 432                                                 }
 433                                         }
 434
 435                                 }
 436                                 break;
 437                         }
 438                 }
 439
 440                 if (item) {
 441                         return [this.model.store.getValue(item, 'bare_id'),
 442                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 443                 } else {
 444                         return false;
 445                 }
 446
 447         },
 448         getFeedCategory: function(feed) {
 449                 try {
 450                         return this.getNodesByItem(this.model.store.
 451                                         _itemsByIdentity["FEED:" + feed])[0].
 452                                         getParent().item.bare_id[0];
 453
 454                 } catch (e) {
 455                         return false;
 456                 }
 457         },
 458         setCatParam: function(cat, value) {
 459                 var treeNode = this._itemNodesMap['CAT:' + cat];
 460
 461                 if (treeNode && treeNode[0] && treeNode[0]._paramNode) {
 462                         if (value > 0)
 463                                 treeNode[0]._paramNode.innerHTML = '+' + value;
 464                         else
 465                                 treeNode[0]._paramNode.innerHTML = "";
 466                 }
 467                 this.model.setFeedValue(cat, true, 'child_unread', value);
 468         },
 469 });