mobile: add js links to batch select headlines

mobile/functions.php

@@ -468,7 +468,7 @@
 			print "<input type=\"hidden\" name=\"id\" value=\"$feed\">";
 			print "<input type=\"hidden\" name=\"cat\" value=\"$cat_view\">";
 
-			print "<ul class=\"headlines\">";
+			print "<ul class=\"headlines\" id=\"headlines\">";
 
 			$page_art_ids = array();
 			
@@ -529,8 +529,8 @@
 				
 				print "<li class='$class' id=\"HROW-$id\">";
 
-				print "<input type=\"checkbox\" name=\"sel_ids[$id]\" 
-					onchange=\"toggleSelectRow(this, $id)\">";
+				print "<input type=\"checkbox\" name=\"sel_ids[$id]\"
+				  	id=\"HSCB-$id\" onchange=\"toggleSelectRow(this, $id)\">";
 
 				print "<a href=\"?go=vf&id=$feed&ts=$id&cat=$cat_view\">$marked_pic</a>";
 				print "<a href=\"?go=vf&id=$feed&tp=$id&cat=$cat_view\">$published_pic</a>";
@@ -559,13 +559,21 @@
 /*			print "<a href=\"tt-rss.php?go=vf&id=$feed&subop=MarkPageRead\">Page</a>, ";
 			print "<a href=\"tt-rss.php?go=vf&id=$feed&subop=MarkAllRead\">Feed</a></div>"; */
 
+			print "Select: 
+				<a href=\"javascript:selectHeadlines(1)\">All</a>,
+				<a href=\"javascript:selectHeadlines(2)\">Unread</a>,
+				<a href=\"javascript:selectHeadlines(3)\">None</a>,
+				<a href=\"javascript:selectHeadlines(4)\">Invert</a>";
+
+			print " ";
+
 			print "<select name=\"catchup_op\">
 				<option value=\"selection\">Selection</option>
 				<option value=\"page\">Page</option>
 				<option value=\"feed\">Entire feed</option>
 			</select>
 			<input type=\"hidden\" name=\"cat\" value=\"$cat_view\">
-			<input type=\"submit\" value=\"Mark as read\">";				
+			<input type=\"submit\" value=\"Mark as read\">";
 
 			print "</form>";
 

mobile/tt-rss.js

@@ -1,16 +1,94 @@
 function toggleSelectRow(cb, id) {	
-	var row = document.getElementById("HROW-" + id);
-	var checked = cb.checked;
-	if (row) {
-		var unread = row.className.match("Unread");
-		var new_classname = row.className;
+	try {
 
-		new_classname = new_classname.replace("Selected", "");
-		new_classname = new_classname.replace("Unread", "");
+		var row = document.getElementById("HROW-" + id);
+		var checked = cb.checked;
+		if (row) {
+			var unread = row.className.match("Unread");
+			var new_classname = row.className;
 
-		if (unread) new_classname = new_classname + "Unread";
-		if (checked) new_classname = new_classname + "Selected";
+			new_classname = new_classname.replace("Selected", "");
+			new_classname = new_classname.replace("Unread", "");
 
-		row.className = new_classname;
+			if (unread) new_classname = new_classname + "Unread";
+			if (checked) new_classname = new_classname + "Selected";
+
+			row.className = new_classname;
+		}
+	} catch (e) {
+		exception_error("toggleSelectRow", e);
+	}
+}
+
+function selectHeadlines(mode) {
+	try {
+
+	var cboxes = document.getElementsByTagName("INPUT");
+
+	for (var i = 0; i < cboxes.length; i++) {
+		if (cboxes[i].id && cboxes[i].id.match("HSCB-")) {
+			var row_id = cboxes[i].id.replace("HSCB-", "")
+			var row = document.getElementById("HROW-" + row_id);
+
+			if (row) {
+
+				if (mode == 1) {
+					cboxes[i].checked = true;
+					toggleSelectRow(cboxes[i], row_id);
+				}
+
+				if (mode == 2) {
+
+					var unread = row.className.match("Unread");
+
+					if (unread) {
+						cboxes[i].checked = true;
+					} else {
+						cboxes[i].checked = false;
+					}
+				}
+
+				if (mode == 3) {
+					cboxes[i].checked = false;
+				}
+
+				if (mode == 4) {
+					cboxes[i].checked = !cboxes[i].checked;
+				}
+
+				toggleSelectRow(cboxes[i], row_id);
+
+			}
+
+		}
+
+	}
+
+	} catch (e) {
+		exception_error("selectHeadlines", e);
+	}
+}
+
+function exception_error(location, e, silent) {
+	var msg;
+
+	if (e.fileName) {
+		var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
+	
+		msg = "Exception: " + e.name + ", " + e.message + 
+			"\nFunction: " + location + "()" +
+			"\nLocation: " + base_fname + ":" + e.lineNumber;
+
+	} else if (e.description) {
+		msg = "Exception: " + e.description + "\nFunction: " + location + "()";
+	} else {
+		msg = "Exception: " + e + "\nFunction: " + location + "()";
+	}
+
+	debug("<b>EXCEPTION: " + msg + "</b>");
+
+	if (!silent) {
+		alert(msg);
 	}
 }
+