implement catchup above/below (refs #140)

functions.php

@@ -3184,7 +3184,11 @@
 					<li class=\"vsep\">&nbsp;</li>
 					<li class=\"top\"><a href=\"$catchup_page_link\">".__('Mark as read')."</a><ul>
 						<li onclick=\"$catchup_sel_link\">".__('Selection')."</li>
-						<li onclick=\"$catchup_page_link\">".__('This page')."</li>
+						<!-- <li onclick=\"$catchup_page_link\">".__('This page')."</li> -->
+						<li><span class=\"insensitive\">--------</span></li>
+						<li onclick=\"catchupRelativeToArticle(0)\">".__("Above active article")."</li>
+						<li onclick=\"catchupRelativeToArticle(1)\">".__("Below active article")."</li>
+						<li><span class=\"insensitive\">--------</span></li>
 						<li onclick=\"$catchup_feed_link\">".__('Entire feed')."</li></ul></li>
 					";
 

localized_js.php

@@ -116,9 +116,9 @@ print T_js_decl("Save current configuration?");
 print T_js_decl("Old password cannot be blank.");
 print T_js_decl("New password cannot be blank.");
 print T_js_decl("Entered passwords do not match.");
-#print T_js_decl(
-#print T_js_decl(
-#print T_js_decl(
+print T_js_decl("No articles found to mark");
+print T_js_decl("Mark %d article(s) as read?");
+print T_js_decl("No article is selected.");
 #print T_js_decl(
 #print T_js_decl(
 #print T_js_decl(

tt-rss.css

@@ -668,7 +668,7 @@ span.feed_error {
 	color : red;
 }
 
-span.insensitive, div.insensitive {
+span.insensitive, div.insensitive, li.insensitive {
 	color : gray;
 }
 
@@ -1552,7 +1552,7 @@ ul.headlineDropdownMenu {
 
 ul.headlineDropdownMenu li.top {
 	float : left;
-	width : 11em;
+	width : 12em;
 	background-image : url("images/down_arrow.png");
 	background-position : center right;
 	background-repeat : no-repeat;
@@ -1604,7 +1604,7 @@ ul.headlineDropdownMenu ul {
 	padding : 0px;
 	display : none;
 	background-color : white;
-	width : 11em;
+	width : 12em;
 	z-index : 3;
 	top : auto;
 	left : auto;

viewfeed.js

@@ -871,6 +871,39 @@ function cdmGetSelectedArticles() {
 	return sel_articles;
 }
 
+function cdmGetVisibleArticles() {
+	var sel_articles = new Array();
+	var container = document.getElementById("headlinesInnerContainer");
+
+	for (i = 0; i < container.childNodes.length; i++) {
+		var child = container.childNodes[i];
+
+		if (child.id.match("RROW-")) {
+			var c_id = child.id.replace("RROW-", "");
+			sel_articles.push(c_id);
+		}
+	}
+
+	return sel_articles;
+}
+
+function cdmGetUnreadArticles() {
+	var sel_articles = new Array();
+	var container = document.getElementById("headlinesInnerContainer");
+
+	for (i = 0; i < container.childNodes.length; i++) {
+		var child = container.childNodes[i];
+
+		if (child.id.match("RROW-") && child.className.match("Unread")) {
+			var c_id = child.id.replace("RROW-", "");
+			sel_articles.push(c_id);
+		}
+	}
+
+	return sel_articles;
+}
+
+
 // mode = all,none,unread
 function cdmSelectArticles(mode) {
 	var container = document.getElementById("headlinesInnerContainer");
@@ -1253,3 +1286,79 @@ function headlines_scroll_handler() {
 		exception_error("headlines_scroll_handler", e);
 	}
 }
+
+function catchupRelativeToArticle(below) {
+
+	try {
+
+		if (!xmlhttp_ready(xmlhttp_rpc)) {
+			printLockingError();
+		}
+	
+		if (!getActiveArticleId()) {
+			alert(__("No article is selected."));
+			return;
+		}
+
+		var visible_ids;
+
+		if (document.getElementById("headlinesList")) {
+			visible_ids = getVisibleHeadlineIds();
+		} else {
+			visible_ids = cdmGetVisibleArticles();
+		}
+
+		var ids_to_mark = new Array();
+
+		if (!below) {
+			for (var i = 0; i < visible_ids.length; i++) {
+				if (visible_ids[i] != getActiveArticleId()) {
+					var e = document.getElementById("RROW-" + visible_ids[i]);
+
+					if (e && e.className.match("Unread")) {
+						ids_to_mark.push(visible_ids[i]);
+					}
+				} else {
+					break;
+				}
+			}
+		} else {
+			for (var i = visible_ids.length-1; i >= 0; i--) {
+				if (visible_ids[i] != getActiveArticleId()) {
+					var e = document.getElementById("RROW-" + visible_ids[i]);
+
+					if (e && e.className.match("Unread")) {
+						ids_to_mark.push(visible_ids[i]);
+					}
+				} else {
+					break;
+				}
+			}
+		}
+
+		if (ids_to_mark.length == 0) {
+			alert(__("No articles found to mark"));
+		} else {
+			var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
+
+			if (confirm(msg)) {
+
+				for (var i = 0; i < ids_to_mark.length; i++) {
+					var e = document.getElementById("RROW-" + ids_to_mark[i]);
+					e.className = e.className.replace("Unread", "");
+				}
+
+				var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
+					param_escape(ids_to_mark.toString()) + "&cmode=0";
+
+				xmlhttp_rpc.open("GET", query, true);
+				xmlhttp_rpc.onreadystatechange=catchup_callback;
+				xmlhttp_rpc.send(null);
+	
+			}
+		}
+
+	} catch (e) {
+		exception_error("catchupRelativeToArticle", e);
+	}
+}