feed editor: add button to unsubscribe feed

modules/pref-feeds.php

@@ -364,7 +364,13 @@
 				<input type=\"submit\" class=\"button\" 
 				onclick=\"return feedEditSave()\" value=\"".__('Save')."\">
 				<input type='submit' class='button'			
-				onclick=\"return feedEditCancel()\" value=\"".__('Cancel')."\"></div>";
+				onclick=\"return feedEditCancel()\" value=\"".__('Cancel')."\">
+				<div style=\"float : left\">
+
+				<input type='submit' class='button'			
+					onclick='return unsubscribeFeed($feed_id, \"$title\")' value=\"".__('Unsubscribe')."\">
+							
+				</div>";
 
 			print "</div>";
 

prefs.js

@@ -2182,3 +2182,31 @@ function removeFilter(id, title) {
 	return false;
 }
 
+function unsubscribeFeed(id, title) {
+
+	if (!xmlhttp_ready(xmlhttp)) {
+		printLockingError();
+		return
+	}
+
+	var msg = __("Unsubscribe from %s?").replace("%s", title);
+
+	var ok = confirm(msg);
+
+	if (ok) {
+		closeInfoBox();
+
+		notify_progress("Removing feed...");
+	
+		xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
+			param_escape(id), true);
+		xmlhttp.onreadystatechange=filterlist_callback;
+		xmlhttp.send(null);
+	}
+
+	return false;
+
+	return false;
+
+}
+

tt-rss.js

@@ -604,17 +604,21 @@ function quickMenuGo(opid) {
 	}
 }
 
-function unsubscribeFeed(feed_id) {
+function unsubscribeFeed(feed_id, title) {
 
-	notify_progress("Removing feed...");
 
-	var query = "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
+	var msg = __("Unsubscribe from %s?").replace("%s", title);
 
-	new Ajax.Request(query,	{
-		onComplete: function(transport) {
-				dlg_frefresh_callback(transport, feed_id);
-			} });
+	if (title == undefined || confirm(msg)) {
+		notify_progress("Removing feed...");
+
+		var query = "backend.php?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
 
+		new Ajax.Request(query,	{
+			onComplete: function(transport) {
+					dlg_frefresh_callback(transport, feed_id);
+				} });
+	}
 
 	return false;
 }