ttrss/js/FeedTree.js

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dojo.provide("fox.FeedTree");
dojo.provide("fox.FeedStoreModel");
dojo.require("dijit.Tree");
dojo.require("dijit.Menu");
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dojo.declare("fox.FeedStoreModel", dijit.tree.ForestStoreModel, {
getItemsInCategory: function (id) {
if (!this.store._itemsByIdentity) return undefined;
cat = this.store._itemsByIdentity['CAT:' + id];
if (cat && cat.items)
return cat.items;
else
return undefined;
},
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getItemById: function(id) {
return this.store._itemsByIdentity[id];
},
getFeedValue: function(feed, is_cat, key) {
if (!this.store._itemsByIdentity) return undefined;
if (is_cat)
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treeItem = this.store._itemsByIdentity['CAT:' + feed];
else
treeItem = this.store._itemsByIdentity['FEED:' + feed];
if (treeItem)
return this.store.getValue(treeItem, key);
},
getFeedName: function(feed, is_cat) {
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return this.getFeedValue(feed, is_cat, 'name');
},
getFeedUnread: function(feed, is_cat) {
var unread = parseInt(this.getFeedValue(feed, is_cat, 'unread'));
return (isNaN(unread)) ? 0 : unread;
},
setFeedUnread: function(feed, is_cat, unread) {
return this.setFeedValue(feed, is_cat, 'unread', parseInt(unread));
},
setFeedValue: function(feed, is_cat, key, value) {
if (!value) value = '';
if (!this.store._itemsByIdentity) return undefined;
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if (is_cat)
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treeItem = this.store._itemsByIdentity['CAT:' + feed];
else
treeItem = this.store._itemsByIdentity['FEED:' + feed];
if (treeItem)
return this.store.setValue(treeItem, key, value);
},
getNextUnreadFeed: function (feed, is_cat) {
if (!this.store._itemsByIdentity)
return null;
if (is_cat) {
treeItem = this.store._itemsByIdentity['CAT:' + feed];
items = this.store._arrayOfTopLevelItems;
} else {
treeItem = this.store._itemsByIdentity['FEED:' + feed];
items = this.store._arrayOfAllItems;
}
for (var i = 0; i < items.length; i++) {
if (items[i] == treeItem) {
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for (var j = i+1; j < items.length; j++) {
var unread = this.store.getValue(items[j], 'unread');
var id = this.store.getValue(items[j], 'id');
if (unread > 0 && (is_cat || id.match("FEED:"))) return items[j];
}
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for (var j = 0; j < i; j++) {
var unread = this.store.getValue(items[j], 'unread');
var id = this.store.getValue(items[j], 'id');
if (unread > 0 && (is_cat || id.match("FEED:"))) return items[j];
}
}
}
return null;
},
hasCats: function() {
if (this.store && this.store._itemsByIdentity)
return this.store._itemsByIdentity['CAT:-1'] != undefined;
else
return false;
},
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});
dojo.declare("fox.FeedTree", dijit.Tree, {
_onKeyPress: function(/* Event */ e) {
return; // Stop dijit.Tree from interpreting keystrokes
},
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_createTreeNode: function(args) {
var tnode = new dijit._TreeNode(args);
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if (args.item.icon)
tnode.iconNode.src = args.item.icon[0];
var id = args.item.id[0];
var bare_id = parseInt(id.substr(id.indexOf(':')+1));
if (bare_id < -10) {
var span = dojo.doc.createElement('span');
var fg_color = args.item.fg_color[0];
var bg_color = args.item.bg_color[0];
span.innerHTML = "&alpha;";
span.className = 'labelColorIndicator';
span.setStyle({
color: fg_color,
backgroundColor: bg_color});
dojo.place(span, tnode.iconNode, 'replace');
}
if (id.match("FEED:")) {
var menu = new dijit.Menu();
menu.row_id = bare_id;
menu.addChild(new dijit.MenuItem({
label: __("Mark as read"),
onClick: function() {
catchupFeed(this.getParent().row_id);
}}));
if (bare_id > 0) {
menu.addChild(new dijit.MenuItem({
label: __("Edit feed"),
onClick: function() {
editFeed(this.getParent().row_id, false);
}}));
/* menu.addChild(new dijit.MenuItem({
label: __("Update feed"),
onClick: function() {
heduleFeedUpdate(this.getParent().row_id, false);
}})); */
}
menu.bindDomNode(tnode.domNode);
tnode._menu = menu;
}
if (id.match("CAT:") && bare_id >= 0) {
var menu = new dijit.Menu();
menu.row_id = bare_id;
menu.addChild(new dijit.MenuItem({
label: __("Mark as read"),
onClick: function() {
catchupFeed(this.getParent().row_id, true);
}}));
menu.bindDomNode(tnode.domNode);
tnode._menu = menu;
}
if (id.match("CAT:")) {
loading = dojo.doc.createElement('img');
loading.className = 'loadingNode';
loading.src = 'images/blank_icon.gif';
dojo.place(loading, tnode.labelNode, 'after');
tnode.loadingNode = loading;
}
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if (id.match("CAT:") && bare_id == -1) {
var menu = new dijit.Menu();
menu.row_id = bare_id;
menu.addChild(new dijit.MenuItem({
label: __("Mark all feeds as read"),
onClick: function() {
catchupAllFeeds();
}}));
menu.bindDomNode(tnode.domNode);
tnode._menu = menu;
}
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//tnode.labelNode.innerHTML = args.label;
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return tnode;
},
getIconClass: function (item, opened) {
return (!item || this.model.mayHaveChildren(item)) ? (opened ? "dijitFolderOpened" : "dijitFolderClosed") : "feedIcon";
},
getLabelClass: function (item, opened) {
return (item.unread == 0) ? "dijitTreeLabel" : "dijitTreeLabel Unread";
},
getRowClass: function (item, opened) {
return (!item.error || item.error == '') ? "dijitTreeRow" :
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"dijitTreeRow Error";
},
getLabel: function(item) {
var name = String(item.name);
/* Horrible */
name = name.replace(/&quot;/g, "\"");
name = name.replace(/&amp;/g, "&");
name = name.replace(/&mdash;/g, "-");
name = name.replace(/&lt;/g, "<");
name = name.replace(/&gt;/g, ">");
var label;
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if (item.unread > 0) {
label = name + " (" + item.unread + ")";
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} else {
label = name;
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}
return label;
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},
expandParentNodes: function(feed, is_cat, list) {
try {
for (var i = 0; i < list.length; i++) {
var id = String(list[i].id);
var item = this._itemNodesMap[id];
if (item) {
item = item[0];
this._expandNode(item);
}
}
} catch (e) {
exception_error("expandParentNodes", e);
}
},
findNodeParentsAndExpandThem: function(feed, is_cat, root, parents) {
// expands all parents of specified feed to properly mark it as active
// my fav thing about frameworks is doing everything myself
try {
var test_id = is_cat ? 'CAT:' + feed : 'FEED:' + feed;
if (!root) {
if (!this.model || !this.model.store) return false;
var items = this.model.store._arrayOfTopLevelItems;
for (var i = 0; i < items.length; i++) {
if (String(items[i].id) == test_id) {
this.expandParentNodes(feed, is_cat, parents);
} else {
this.findNodeParentsAndExpandThem(feed, is_cat, items[i], []);
}
}
} else {
if (root.items) {
parents.push(root);
for (var i = 0; i < root.items.length; i++) {
if (String(root.items[i].id) == test_id) {
this.expandParentNodes(feed, is_cat, parents);
} else {
this.findNodeParentsAndExpandThem(feed, is_cat, root.items[i], parents);
}
}
} else {
if (String(root.id) == test_id) {
this.expandParentNodes(feed, is_cat, parents);
}
}
}
} catch (e) {
exception_error("findNodeParentsAndExpandThem", e);
}
},
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selectFeed: function(feed, is_cat) {
this.findNodeParentsAndExpandThem(feed, is_cat, false, false);
if (is_cat)
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treeNode = this._itemNodesMap['CAT:' + feed];
else
treeNode = this._itemNodesMap['FEED:' + feed];
if (treeNode) {
treeNode = treeNode[0];
if (!is_cat) this._expandNode(treeNode);
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this.set("selectedNodes", [treeNode]);
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}
},
setFeedIcon: function(feed, is_cat, src) {
if (is_cat)
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treeNode = this._itemNodesMap['CAT:' + feed];
else
treeNode = this._itemNodesMap['FEED:' + feed];
if (treeNode) {
treeNode = treeNode[0];
treeNode.iconNode.src = src;
return true;
}
return false;
},
setFeedExpandoIcon: function(feed, is_cat, src) {
if (is_cat)
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treeNode = this._itemNodesMap['CAT:' + feed];
else
treeNode = this._itemNodesMap['FEED:' + feed];
if (treeNode) {
treeNode = treeNode[0];
if (is_cat) {
if (treeNode.loadingNode) {
treeNode.loadingNode.src = src;
return true;
}
} else {
treeNode.expandoNode.src = src;
return true;
}
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}
return false;
},
hasCats: function() {
return this.model.hasCats();
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},
hideReadCat: function (cat, hide, show_special) {
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if (this.hasCats()) {
var tree = this;
if (cat && cat.items) {
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var cat_unread = tree.hideReadFeeds(cat.items, hide, show_special);
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var id = String(cat.id);
var node = tree._itemNodesMap[id];
var bare_id = parseInt(id.substr(id.indexOf(":")+1));
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if (node) {
var check_unread = tree.model.getFeedUnread(bare_id, true);
if (hide && cat_unread == 0 && check_unread == 0) {
Effect.Fade(node[0].rowNode, {duration : 0.3,
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queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
} else {
Element.show(node[0].rowNode);
++cat_unread;
}
}
}
}
},
hideRead: function (hide, show_special) {
if (this.hasCats()) {
var tree = this;
var cats = this.model.store._arrayOfTopLevelItems;
cats.each(function(cat) {
tree.hideReadCat(cat, hide, show_special);
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});
} else {
this.hideReadFeeds(this.model.store._arrayOfTopLevelItems, hide,
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show_special);
}
},
hideReadFeeds: function (items, hide, show_special) {
var tree = this;
var cat_unread = 0;
items.each(function(feed) {
var id = String(feed.id);
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// it's a subcategory
if (feed.items) {
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tree.hideReadCat(feed, hide, show_special);
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} else { // it's a feed
var bare_id = parseInt(feed.bare_id);;
var unread = feed.unread[0];
var node = tree._itemNodesMap[id];
if (node) {
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if (hide && unread == 0 && (bare_id > 0 || bare_id < -10 || !show_special)) {
Effect.Fade(node[0].rowNode, {duration : 0.3,
queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
} else {
Element.show(node[0].rowNode);
++cat_unread;
}
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}
}
});
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return cat_unread;
},
collapseCat: function(id) {
if (!this.model.hasCats()) return;
var tree = this;
var node = tree._itemNodesMap['CAT:' + id][0];
var item = tree.model.store._itemsByIdentity['CAT:' + id];
if (node && item) {
if (!node.isExpanded)
tree._expandNode(node);
else
tree._collapseNode(node);
}
},
getVisibleUnreadFeeds: function() {
var items = this.model.store._arrayOfAllItems;
var rv = [];
for (var i = 0; i < items.length; i++) {
var id = String(items[i].id);
var box = this._itemNodesMap[id];
if (box) {
var row = box[0].rowNode;
var cat = false;
try {
cat = box[0].rowNode.parentNode.parentNode;
} catch (e) { }
if (row) {
if (Element.visible(row) && (!cat || Element.visible(cat))) {
var feed_id = String(items[i].bare_id);
var is_cat = !id.match('FEED:');
var unread = this.model.getFeedUnread(feed_id, is_cat);
if (unread > 0)
rv.push([feed_id, is_cat]);
}
}
}
}
return rv;
},
getNextFeed: function (feed, is_cat) {
if (is_cat) {
treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
} else {
treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
}
items = this.model.store._arrayOfAllItems;
var item = items[0];
for (var i = 0; i < items.length; i++) {
if (items[i] == treeItem) {
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for (var j = i+1; j < items.length; j++) {
var id = String(items[j].id);
var box = this._itemNodesMap[id];
if (box) {
var row = box[0].rowNode;
var cat = box[0].rowNode.parentNode.parentNode;
if (Element.visible(cat) && Element.visible(row)) {
item = items[j];
break;
}
}
}
break;
}
}
if (item) {
return [this.model.store.getValue(item, 'bare_id'),
!this.model.store.getValue(item, 'id').match('FEED:')];
} else {
return false;
}
},
getPreviousFeed: function (feed, is_cat) {
if (is_cat) {
treeItem = this.model.store._itemsByIdentity['CAT:' + feed];
} else {
treeItem = this.model.store._itemsByIdentity['FEED:' + feed];
}
items = this.model.store._arrayOfAllItems;
var item = items[0];
for (var i = 0; i < items.length; i++) {
if (items[i] == treeItem) {
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for (var j = i-1; j > 0; j--) {
var id = String(items[j].id);
var box = this._itemNodesMap[id];
if (box) {
var row = box[0].rowNode;
var cat = box[0].rowNode.parentNode.parentNode;
if (Element.visible(cat) && Element.visible(row)) {
item = items[j];
break;
}
}
}
break;
}
}
if (item) {
return [this.model.store.getValue(item, 'bare_id'),
!this.model.store.getValue(item, 'id').match('FEED:')];
} else {
return false;
}
},
getFeedCategory: function(feed) {
try {
return this.getNodesByItem(this.model.store.
_itemsByIdentity["FEED:" + feed])[0].
getParent().item.bare_id[0];
} catch (e) {
return false;
}
},
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});