implement category browsing

backend.php

@@ -584,9 +584,14 @@
 					$cat_id = sprintf("%d", $cat_id);
 					
 					print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
-						<a href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category
+						<a href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category</a>
+							<a href=\"javascript:viewCategory($cat_id)\">
 							<span id=\"FCATCTR-$cat_id\" 
-							class=\"$catctr_class\">($cat_unread unread)$ellipsis</span></a></li>";
+							class=\"$catctr_class\">($cat_unread unread)$ellipsis</span></a>
+							<!-- <div style=\"float : right\">
+								<a href=\"javascript:viewCategory($cat_id)\">[view]</a>
+							</div> -->
+						</li>";
 
 					// !!! NO SPACE before <ul...feedCatList - breaks firstChild DOM function
 					// -> keyboard navigation, etc.
@@ -1054,6 +1059,7 @@
 		$subop = $_GET["subop"];
 		$view_mode = $_GET["view"];
 		$limit = $_GET["limit"];
+		$cat_view = $_GET["cat"];
 
 		if (!$feed) {
 			return;
@@ -1112,17 +1118,43 @@
 				// fixme update_rss_feed...
 			} */
 
+			if ($cat_view) {
+				$tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
+					WHERE cat_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
+
+				while ($tmp_line = db_fetch_assoc($tmp_result)) {					
+					$feed_url = $tmp_line["feed_url"];
+					update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
+				}
+
+			} else {
 				$tmp_result = db_query($link, "SELECT feed_url FROM ttrss_feeds
 					WHERE id = '$feed'");
 				$feed_url = db_fetch_result($tmp_result, 0, "feed_url");				
 				update_rss_feed($link, $feed_url, $feed, ENABLE_UPDATE_DAEMON);
 			}
+		}
 
 		if ($subop == "MarkAllRead")  {
 
 			if (sprintf("%d", $feed) != 0) {
 			
-				if ($feed > 0) {
+				if ($cat_view) {
+
+					$tmp_result = db_query($link, "SELECT id 
+						FROM ttrss_feeds WHERE cat_id = '$feed' AND owner_uid = " . 
+						$_SESSION["uid"]);
+
+					while ($tmp_line = db_fetch_assoc($tmp_result)) {
+
+						$tmp_feed = $tmp_line["id"];
+
+						db_query($link, "UPDATE ttrss_user_entries 
+							SET unread = false,last_read = NOW() 
+							WHERE feed_id = '$tmp_feed' AND owner_uid = " . $_SESSION["uid"]);
+					}
+
+				} else if ($feed > 0) {
 
 					$tmp_result = db_query($link, "SELECT id 
 						FROM ttrss_feeds WHERE parent_feed = '$feed'
@@ -1285,6 +1317,12 @@
 			
 		} else if ($feed >= 0) {
 
+			if ($cat_view) {
+
+				$query_strategy_part = "cat_id = $feed";
+				$vfeed_query_part = "ttrss_feeds.title AS feed_title,";
+
+			} else {		
 				$tmp_result = db_query($link, "SELECT id 
 					FROM ttrss_feeds WHERE parent_feed = '$feed'
 					ORDER BY cat_id,title");
@@ -1303,6 +1341,7 @@
 				} else {
 					$query_strategy_part = "feed_id = '$feed'";
 				}
+			}
 		} else if ($feed == -1) { // starred virtual feed
 			$query_strategy_part = "marked = true";
 			$vfeed_query_part = "ttrss_feeds.title AS feed_title,";
@@ -1332,13 +1371,25 @@
 		} else if ($search && sprintf("%d", $feed) == 0) {
 			$feed_title = "Feed search results ($search, $feed)";
 		} else if ($feed > 0) {
+
+			if ($cat_view) {
+			
+				$result = db_query($link, "SELECT title FROM ttrss_feed_categories
+					WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
+
+				$feed_title = db_fetch_result($result, 0, "title");
+
+			} else {
+				
 				$result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds 
-				WHERE id = '$feed'");
+					WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
 	
 				$feed_title = db_fetch_result($result, 0, "title");
 				$feed_site_url = db_fetch_result($result, 0, "site_url");
 				$last_error = db_fetch_result($result, 0, "last_error");
 
+			}
+
 		} else if ($feed == -1) {
 			$feed_title = "Starred articles";
 		} else if ($feed < -10) {

feedlist.js

@@ -1,5 +1,7 @@
 var xmlhttp = false;
 
+var cat_view_mode = false;
+
 /*@cc_on @*/
 /*@if (@_jscript_version >= 5)
 // JScript gives us Conditional compilation, we can cope with old IE versions.
@@ -22,7 +24,11 @@ if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
 	xmlhttp_rpc = new XMLHttpRequest();
 }
 
-function viewfeed(feed, skip, subop, doc) {
+function viewCategory(cat) {
+	viewfeed(cat, 0, '', false, true);
+}
+
+function viewfeed(feed, skip, subop, doc, is_cat) {
 	try {
 
 		if (!doc) doc = parent.document;
@@ -74,6 +80,10 @@ function viewfeed(feed, skip, subop, doc) {
 	
 	//	document.getElementById("ACTFEEDID").innerHTML = feed;
 	
+		if (getActiveFeedId() != feed) {
+			cat_view_mode = is_cat;
+		}
+
 		setActiveFeedId(feed);
 	
 		if (subop == "MarkAllRead") {
@@ -81,12 +91,15 @@ function viewfeed(feed, skip, subop, doc) {
 			var feedr = document.getElementById("FEEDR-" + feed);
 			var feedctr = document.getElementById("FEEDCTR-" + feed);
 
+			if (feedr && feedctr) {
+		
 				feedctr.className = "invisible";
 	
 				if (feedr.className.match("Unread")) {
 					feedr.className = feedr.className.replace("Unread", "");
 				}
 			}
+		}
 	
 		var query = "backend.php?op=viewfeed&feed=" + param_escape(feed) +
 			"&skip=" + param_escape(skip) + "&subop=" + param_escape(subop) +
@@ -98,6 +111,10 @@ function viewfeed(feed, skip, subop, doc) {
 			searchbox.value = "";
 		}
 
+		if (cat_view_mode) {
+			query = query + "&cat=1";
+		}
+		
 		var headlines_frame = parent.frames["headlines-frame"];
 	
 	//	alert(headlines_frame)