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         _createTreeNode: function(args) {
  98                 var tnode = new dijit._TreeNode(args);
  99
 100                 if (args.item.icon)
 101                         tnode.iconNode.src = args.item.icon[0];
 102
 103                 var id = args.item.id[0];
 104                 var bare_id = parseInt(id.substr(id.indexOf(':')+1));
 105
 106                 if (bare_id < -10) {
 107                         var span = dojo.doc.createElement('span');
 108                         var fg_color = args.item.fg_color[0];
 109                         var bg_color = args.item.bg_color[0];
 110
 111                         span.innerHTML = "&alpha;";
 112                         span.className = 'labelColorIndicator';
 113                         span.setStyle({
 114                                 color: fg_color,
 115                                 backgroundColor: bg_color});
 116
 117                         dojo.place(span, tnode.iconNode, 'replace');
 118                 }
 119
 120                 if (id.match("FEED:") && bare_id > 0) {
 121                         var menu = new dijit.Menu();
 122                         menu.row_id = bare_id;
 123
 124                         menu.addChild(new dijit.MenuItem({
 125                                 label: __("Mark as read"),
 126                                 onClick: function() {
 127                                         catchupFeed(this.getParent().row_id);
 128                                 }}));
 129
 130                         menu.addChild(new dijit.MenuItem({
 131                                 label: __("Edit feed"),
 132                                 onClick: function() {
 133                                         editFeed(this.getParent().row_id, false);
 134                                 }}));
 135
 136                         menu.addChild(new dijit.MenuItem({
 137                                 label: __("Update feed"),
 138                                 onClick: function() {
 139                                         scheduleFeedUpdate(this.getParent().row_id, false);
 140                                 }}));
 141
 142                         menu.bindDomNode(tnode.domNode);
 143                         tnode._menu = menu;
 144                 }
 145
 146                 if (id.match("CAT:") && bare_id > 0) {
 147                         var menu = new dijit.Menu();
 148                         menu.row_id = bare_id;
 149
 150                         menu.addChild(new dijit.MenuItem({
 151                                 label: __("Mark as read"),
 152                                 onClick: function() {
 153                                         catchupFeed(this.getParent().row_id, true);
 154                                 }}));
 155
 156                         menu.bindDomNode(tnode.domNode);
 157                         tnode._menu = menu;
 158                 }
 159
 160                 //tnode.labelNode.innerHTML = args.label;
 161                 return tnode;
 162         },
 163         getIconClass: function (item, opened) {
 164                 return (!item || this.model.mayHaveChildren(item)) ? (opened ? "dijitFolderOpened" : "dijitFolderClosed") : "feedIcon";
 165         },
 166         getLabelClass: function (item, opened) {
 167                 return (item.unread == 0) ? "dijitTreeLabel" : "dijitTreeLabel Unread";
 168         },
 169         getRowClass: function (item, opened) {
 170                 return (!item.error || item.error == '') ? "dijitTreeRow" :
 171                         "dijitTreeRow Error";
 172         },
 173         getLabel: function(item) {
 174                 var name = String(item.name);
 175
 176                 /* Horrible */
 177                 name = name.replace(/&quot;/g, "\"");
 178                 name = name.replace(/&amp;/g, "&");
 179                 name = name.replace(/&mdash;/g, "-");
 180                 name = name.replace(/&lt;/g, "<");
 181                 name = name.replace(/&gt;/g, ">");
 182
 183                 if (item.unread > 0) {
 184                         return name + " (" + item.unread + ")";
 185                 } else {
 186                         return name;
 187                 }
 188         },
 189         selectFeed: function(feed, is_cat) {
 190                 if (is_cat)
 191                         treeNode = this._itemNodesMap['CAT:' + feed];
 192                 else
 193                         treeNode = this._itemNodesMap['FEED:' + feed];
 194
 195                 if (treeNode) {
 196                         treeNode = treeNode[0];
 197                         if (!is_cat) this._expandNode(treeNode);
 198                         this.set("selectedNodes", [treeNode]);
 199                 }
 200         },
 201         setFeedIcon: function(feed, is_cat, src) {
 202                 if (is_cat)
 203                         treeNode = this._itemNodesMap['CAT:' + feed];
 204                 else
 205                         treeNode = this._itemNodesMap['FEED:' + feed];
 206
 207                 if (treeNode) {
 208                         treeNode = treeNode[0];
 209                         treeNode.iconNode.src = src;
 210                         return true;
 211                 }
 212                 return false;
 213         },
 214         setFeedExpandoIcon: function(feed, is_cat, src) {
 215                 if (is_cat)
 216                         treeNode = this._itemNodesMap['CAT:' + feed];
 217                 else
 218                         treeNode = this._itemNodesMap['FEED:' + feed];
 219
 220                 if (treeNode) {
 221                         treeNode = treeNode[0];
 222                         treeNode.expandoNode.src = src;
 223                         return true;
 224                 }
 225
 226                 return false;
 227         },
 228         hasCats: function() {
 229                 return this.model.hasCats();
 230         },
 231         hideRead: function (hide, show_special) {
 232                 if (this.hasCats()) {
 233
 234                         var tree = this;
 235                         var cats = this.model.store._arrayOfTopLevelItems;
 236
 237                         cats.each(function(cat) {
 238                                 var cat_unread = tree.hideReadFeeds(cat.items, hide, show_special);
 239
 240                                 var id = String(cat.id);
 241                                 var node = tree._itemNodesMap[id];
 242                                 var bare_id = parseInt(id.substr(id.indexOf(":")+1));
 243
 244                                 if (node) {
 245                                         var check_unread = tree.model.getFeedUnread(bare_id, true);
 246
 247                                         if (hide && cat_unread == 0 && check_unread == 0) {
 248                                                 Effect.Fade(node[0].rowNode, {duration : 0.3,
 249                                                         queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 250                                         } else {
 251                                                 Element.show(node[0].rowNode);
 252                                                 ++cat_unread;
 253                                         }
 254                                 }
 255                         });
 256
 257                 } else {
 258                         this.hideReadFeeds(this.model.store._arrayOfTopLevelItems, hide,
 259                                 show_special);
 260                 }
 261         },
 262         hideReadFeeds: function (items, hide, show_special) {
 263                 var tree = this;
 264                 var cat_unread = 0;
 265
 266                 items.each(function(feed) {
 267                         var id = String(feed.id);
 268                         var bare_id = parseInt(feed.bare_id);;
 269
 270                         var unread = feed.unread[0];
 271                         var node = tree._itemNodesMap[id];
 272
 273                         if (node) {
 274                                 if (hide && unread == 0 && (bare_id > 0 || !show_special)) {
 275                                         Effect.Fade(node[0].rowNode, {duration : 0.3,
 276                                                 queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
 277                                 } else {
 278                                         Element.show(node[0].rowNode);
 279                                         ++cat_unread;
 280                                 }
 281                         }
 282                 });
 283
 284                 return cat_unread;
 285         },
 286         collapseCat: function(id) {
 287                 if (!this.model.hasCats()) return;
 288
 289                 var tree = this;
 290
 291                 var node = tree._itemNodesMap['CAT:' + id][0];
 292                 var item = tree.model.store._itemsByIdentity['CAT:' + id];
 293
 294                 if (node && item) {
 295                         var hidden = tree.model.store.getValue(item, 'hidden');
 296
 297                         if (hidden)
 298                                 tree._expandNode(node);
 299                         else
 300                                 tree._collapseNode(node);
 301
 302                         tree.model.store.setValue(item, 'hidden', !hidden);
 303                 }
 304         },
 305         collapseHiddenCats: function() {
 306                 if (!this.model.hasCats()) return;
 307
 308                 var cats = this.model.store._arrayOfTopLevelItems;
 309                 var tree = this;
 310
 311                 dojo.forEach(cats, function(cat) {
 312                         var hidden = tree.model.store.getValue(cat, 'hidden');
 313                         var id = tree.model.store.getValue(cat, 'id');
 314                         var node = tree._itemNodesMap[id][0];
 315
 316                         if (hidden)
 317                                 tree._collapseNode(node);
 318                         else
 319                                 tree._expandNode(node);
 320
 321                 });
 322         },
 323         getVisibleUnreadFeeds: function() {
 324                 var items = this.model.store._arrayOfAllItems;
 325                 var rv = [];
 326
 327                 for (var i = 0; i < items.length; i++) {
 328                         var id = String(items[i].id);
 329                         var box = this._itemNodesMap[id];
 330
 331                         if (box) {
 332                                 var row = box[0].rowNode;
 333                                 var cat = false;
 334
 335                                 try {
 336                                         cat = box[0].rowNode.parentNode.parentNode;
 337                                 } catch (e) { }
 338
 339                                 if (row) {
 340                                         if (Element.visible(row) && (!cat || Element.visible(cat))) {
 341                                                 var feed_id = String(items[i].bare_id);
 342                                                 var is_cat = !id.match('FEED:');
 343                                                 var unread = this.model.getFeedUnread(feed_id, is_cat);
 344
 345                                                 if (unread > 0)
 346                                                         rv.push([feed_id, is_cat]);
 347
 348                                         }
 349                                 }
 350                         }
 351                 }
 352
 353                 return rv;
 354         },
 355         getNextFeed: function (feed, is_cat) {
 356                 if (is_cat) {
 357                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 358                 } else {
 359                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 360                 }
 361
 362                 items = this.model.store._arrayOfAllItems;
 363                 var item = items[0];
 364
 365                 for (var i = 0; i < items.length; i++) {
 366                         if (items[i] == treeItem) {
 367
 368                                 for (var j = i+1; j < items.length; j++) {
 369                                         var id = String(items[j].id);
 370                                         var box = this._itemNodesMap[id];
 371
 372                                         if (box) {
 373                                                 var row = box[0].rowNode;
 374                                                 var cat = box[0].rowNode.parentNode.parentNode;
 375
 376                                                 if (Element.visible(cat) && Element.visible(row)) {
 377                                                         item = items[j];
 378                                                         break;
 379                                                 }
 380                                         }
 381                                 }
 382                                 break;
 383                         }
 384                 }
 385
 386                 if (item) {
 387                         return [this.model.store.getValue(item, 'bare_id'),
 388                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 389                 } else {
 390                         return false;
 391                 }
 392         },
 393         getPreviousFeed: function (feed, is_cat) {
 394                 if (is_cat) {
 395                         treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
 396                 } else {
 397                         treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
 398                 }
 399
 400                 items = this.model.store._arrayOfAllItems;
 401                 var item = items[0];
 402
 403                 for (var i = 0; i < items.length; i++) {
 404                         if (items[i] == treeItem) {
 405
 406                                 for (var j = i-1; j > 0; j--) {
 407                                         var id = String(items[j].id);
 408                                         var box = this._itemNodesMap[id];
 409
 410                                         if (box) {
 411                                                 var row = box[0].rowNode;
 412                                                 var cat = box[0].rowNode.parentNode.parentNode;
 413
 414                                                 if (Element.visible(cat) && Element.visible(row)) {
 415                                                         item = items[j];
 416                                                         break;
 417                                                 }
 418                                         }
 419
 420                                 }
 421                                 break;
 422                         }
 423                 }
 424
 425                 if (item) {
 426                         return [this.model.store.getValue(item, 'bare_id'),
 427                                                 !this.model.store.getValue(item, 'id').match('FEED:')];
 428                 } else {
 429                         return false;
 430                 }
 431
 432         },
 433
 434 });