]> git.wh0rd.org - tt-rss.git/blobdiff - functions.js
experimental code for hotkey zone highlighting
[tt-rss.git] / functions.js
index 8a370d6b8cc6b3e9b15981deea3a8567ed4f013b..4c574eaf1fd95dd6739d21dbe3d5cb35c3c45b5e 100644 (file)
@@ -2,6 +2,8 @@ var hotkeys_enabled = true;
 var debug_mode_enabled = false;
 var xmlhttp_rpc = Ajax.getTransport();
 
+var hotkey_zone = 0;
+
 /* add method to remove element from array */
 
 Array.prototype.remove = function(s) {
@@ -64,56 +66,36 @@ function xmlhttp_ready(obj) {
        return obj.readyState == 4 || obj.readyState == 0 || !obj.readyState;
 }
 
-function open_article_callback() {
-       if (xmlhttp_rpc.readyState == 4) {
-               try {
+function open_article_callback(transport) {
+       try {
+
+               if (transport.responseXML) {
+                       
+                       var link = transport.responseXML.getElementsByTagName("link")[0];
+                       var id = transport.responseXML.getElementsByTagName("id")[0];
 
-                       if (xmlhttp_rpc.responseXML) {
-                               var link = xmlhttp_rpc.responseXML.getElementsByTagName("link")[0];
-                               var id = xmlhttp_rpc.responseXML.getElementsByTagName("id")[0];
+                       debug("open_article_callback, received link: " + link);
 
-                               if (link) {
-                                       window.open(link.firstChild.nodeValue, "_blank");
+                       if (link) {
+                               debug("link url: " + link.firstChild.nodeValue);
 
-                                       if (id) {
-                                               id = id.firstChild.nodeValue;
-                                               if (!document.getElementById("headlinesList")) {
-                                                       window.setTimeout("toggleUnread(" + id + ", 0)", 100);
-                                               }
+                               window.open(link.firstChild.nodeValue, "_blank");
+
+                               if (id) {
+                                       id = id.firstChild.nodeValue;
+                                       if (!document.getElementById("headlinesList")) {
+                                               window.setTimeout("toggleUnread(" + id + ", 0)", 100);
                                        }
                                }
+                       } else {
+                               notify_error("Can't open article: received invalid article link");
                        }
-
-               } catch (e) {
-                       exception_error("open_article_callback", e);
-               }
-       }
-}
-
-function logout_callback() {
-       var container = document.getElementById('notify');
-       if (xmlhttp.readyState == 4) {
-               try {
-                       var date = new Date();
-                       var timestamp = Math.round(date.getTime() / 1000);
-                       window.location.href = "tt-rss.php";
-               } catch (e) {
-                       exception_error("logout_callback", e);
+               } else {
+                       notify_error("Can't open article: received invalid XML");
                }
-       }
-}
-
-function notify_callback() {
-       var container = document.getElementById('notify');
-       if (xmlhttp.readyState == 4) {
-               container.innerHTML=xmlhttp.responseText;
-       }
-}
 
-function rpc_notify_callback() {
-       var container = document.getElementById('notify');
-       if (xmlhttp_rpc.readyState == 4) {
-               container.innerHTML=xmlhttp_rpc.responseText;
+       } catch (e) {
+               exception_error("open_article_callback", e);
        }
 }
 
@@ -189,10 +171,10 @@ function notify_real(msg, no_hide, n_type) {
                msg = "<img src='images/indicator_white.gif'> " + msg;
        } else if (n_type == 3) {
                n.className = "notifyError";
-               msg = "<img src='images/sign_excl.png'> " + msg;
+               msg = "<img src='images/sign_excl.gif'> " + msg;
        } else if (n_type == 4) {
                n.className = "notifyInfo";
-               msg = "<img src='images/sign_info.png'> " + msg;
+               msg = "<img src='images/sign_info.gif'> " + msg;
        }
 
 //     msg = "<img src='images/live_com_loading.gif'> " + msg;
@@ -238,7 +220,10 @@ function hotkey_handler(e) {
 
                }
        
-               if (!hotkeys_enabled) return;
+               if (!hotkeys_enabled) {
+                       debug("hotkeys disabled");
+                       return;
+               }
        
                if (window.event) {
                        keycode = window.event.keyCode;
@@ -246,6 +231,22 @@ function hotkey_handler(e) {
                        keycode = e.which;
                }
 
+               if (keycode == 48) { // 0
+                       return setHotkeyZone(0);
+               }
+
+               if (keycode == 49) { // 1
+                       return setHotkeyZone(1);
+               }
+
+               if (keycode == 50) { // 2
+                       return setHotkeyZone(2);
+               }
+
+               if (keycode == 51) { // 3
+                       return setHotkeyZone(3);
+               }
+
                if (keycode == 82) { // r
                        return scheduleFeedUpdate(true);
                }
@@ -278,6 +279,14 @@ function hotkey_handler(e) {
                        if (new_feed) viewfeed(new_feed, '');
                }
 
+               if (shift_key && (keycode == 78 || keycode == 40)) { // shift - n, down
+                       return catchupRelativeToArticle(1);
+               }
+
+               if (shift_key && (keycode == 80 || keycode == 38)) { // shift - p, up
+                       return catchupRelativeToArticle(0);                     
+               }
+
                if (keycode == 78 || keycode == 40) { // n, down
                        if (typeof moveToPost != 'undefined') {
                                return moveToPost('next');
@@ -358,6 +367,31 @@ function hotkey_handler(e) {
                        }
                }
 
+               if (keycode == 67 && shift_key) { // c
+                       if (typeof collapse_feedlist != 'undefined') {
+                               return collapse_feedlist();
+                       }
+               }
+
+               if (keycode == 81 && shift_key) { // shift + q
+                       if (typeof catchupAllFeeds != 'undefined') {
+                               return catchupAllFeeds();
+                       }
+               }
+
+               if (keycode == 73 && shift_key) { // shift + i
+                       if (document.getElementById("subtoolbar_search")) {
+                               if (Element.visible("subtoolbar_search")) {
+                                       Element.hide("subtoolbar_search");
+                                       Element.show("subtoolbar_ftitle");
+                                       setTimeout("Element.focus('subtoolbar_search_box')", 100);
+                               } else {
+                                       Element.show("subtoolbar_search");
+                                       Element.hide("subtoolbar_ftitle");
+                               }
+                       }
+               }
+
                if (typeof localHotkeyHandler != 'undefined') {
                        try {
                                return localHotkeyHandler(e);
@@ -615,25 +649,18 @@ function parse_counters(reply, scheduled_call) {
 
                var feeds_found = 0;
 
-               if (reply.firstChild && reply.firstChild.firstChild) {
-                       debug("<b>wrong element passed to parse_counters, adjusting.</b>");
-                       reply = reply.firstChild;
-               }
+               var elems = reply.getElementsByTagName("counter");
 
-               for (var l = 0; l < reply.childNodes.length; l++) {
-                       if (!reply.childNodes[l] ||
-                               typeof(reply.childNodes[l].getAttribute) == "undefined") {
-                               // where did this come from?
-                               continue;
-                       }
+               for (var l = 0; l < elems.length; l++) {
 
-                       var id = reply.childNodes[l].getAttribute("id");
-                       var t = reply.childNodes[l].getAttribute("type");
-                       var ctr = reply.childNodes[l].getAttribute("counter");
-                       var error = reply.childNodes[l].getAttribute("error");
-                       var has_img = reply.childNodes[l].getAttribute("hi");
-                       var updated = reply.childNodes[l].getAttribute("updated");
-       
+                       var id = elems[l].getAttribute("id");
+                       var t = elems[l].getAttribute("type");
+                       var ctr = elems[l].getAttribute("counter");
+                       var error = elems[l].getAttribute("error");
+                       var has_img = elems[l].getAttribute("hi");
+                       var updated = elems[l].getAttribute("updated");
+                       var title = elems[l].getAttribute("title");
+               
                        if (id == "global-unread") {
                                global_unread = ctr;
                                updateTitle();
@@ -681,6 +708,16 @@ function parse_counters(reply, scheduled_call) {
                                }
                        }
 
+                       if (has_img && feed_img && !is_msie()) {
+                               if (!feed_img.src.match(id + ".ico")) {
+                                       feed_img.src = getInitParam("icons_location") + "/" + id + ".ico";
+                               }
+                       }
+
+                       if (feedlink && title) {
+                               feedlink.innerHTML = title;
+                       }
+
                        if (feedctr && feedu && feedr) {
 
                                if (feedu.innerHTML != ctr && id == getActiveFeedId() && scheduled_call) {
@@ -714,7 +751,8 @@ function parse_counters(reply, scheduled_call) {
                                        }
 
                                        if (row_needs_hl) { 
-                                               new Effect.Highlight(feedr, {duration: 1, startcolor: "#fff7d5"});
+                                               new Effect.Highlight(feedr, {duration: 1, startcolor: "#fff7d5",
+                                                       queue: { position:'end', scope: 'EFQ-' + id, limit: 1 } } );
                                        }
                                } else {
                                        feedctr.className = "invisible";
@@ -732,7 +770,7 @@ function parse_counters(reply, scheduled_call) {
                if (feeds_stored != feeds_found) {
                        number_of_feeds = feeds_found;
 
-                       if (feeds_stored != 0) {
+                       if (feeds_stored != 0 && feeds_found != 0) {
                                debug("Subscribed feed number changed, refreshing feedlist");
                                setTimeout('updateFeedList(false, false)', 50);
                        }
@@ -743,14 +781,14 @@ function parse_counters(reply, scheduled_call) {
        }
 }
 
-function parse_counters_reply(xmlhttp, scheduled_call) {
+function parse_counters_reply(transport, scheduled_call) {
 
-       if (!xmlhttp.responseXML) {
+       if (!transport.responseXML) {
                notify_error("Backend did not return valid XML", true);
                return;
        }
 
-       var reply = xmlhttp.responseXML.firstChild;
+       var reply = transport.responseXML.firstChild;
        
        if (!reply) {
                notify_error("Backend did not return expected XML object", true);
@@ -776,11 +814,11 @@ function parse_counters_reply(xmlhttp, scheduled_call) {
                return fatalError(error_code, error_msg);
        }
 
-       var counters = reply.firstChild;
+       var counters = reply.getElementsByTagName("counters")[0];
        
        parse_counters(counters, scheduled_call);
 
-       var runtime_info = counters.nextSibling;
+       var runtime_info = reply.getElementsByTagName("runtime-info")[0];
 
        parse_runtime_info(runtime_info);
 
@@ -792,41 +830,23 @@ function parse_counters_reply(xmlhttp, scheduled_call) {
 
 }
 
-function all_counters_callback() {
-       if (xmlhttp_rpc.readyState == 4) {
-               try {
-/*                     if (!xmlhttp_rpc.responseXML || !xmlhttp_rpc.responseXML.firstChild) {
-                               debug("[all_counters_callback] backend did not return valid XML");
-                               return;
-                       }
-
-                       debug("in all_counters_callback : " + xmlhttp_rpc.responseXML);
-
-                       var reply = xmlhttp_rpc.responseXML.firstChild;
-
-                       var counters = reply.firstChild;
-
-                       parse_counters(counters);
-
-                       var runtime = counters.nextSibling;
-
-                       if (runtime) {
-                               parse_runtime_info(runtime);
-                       }
-
-                       if (getInitParam("feeds_sort_by_unread") == 1) {
-                               resort_feedlist();              
-                       }       
-
-                       hideOrShowFeeds(document, getInitParam("hide_read_feeds") == 1); */
-                       
-                       debug("in all_counters_callback");
+function all_counters_callback2(transport) {
+       try {
+               debug("<b>all_counters_callback2 IN: " + transport + "</b>");
+               parse_counters_reply(transport);
+               debug("<b>all_counters_callback2 OUT: " + transport + "</b>");
 
-                       parse_counters_reply(xmlhttp_rpc);
+       } catch (e) {
+               exception_error("all_counters_callback2", e);
+       }
+}
 
-               } catch (e) {
-                       exception_error("all_counters_callback", e);
-               }
+function get_feed_unread(id) {
+       try {
+               return parseInt(document.getElementById("FEEDU-" + id).innerHTML);      
+       } catch (e) {
+               exception_error("get_feed_unread", e, true);
+               return -1;
        }
 }
 
@@ -899,38 +919,6 @@ function resort_feedlist() {
        }
 }
 
-function update_all_counters(feed) {
-       if (xmlhttp_ready(xmlhttp_rpc)) {
-               var query = "backend.php?op=rpc&subop=getAllCounters";
-
-               if (feed > 0) {
-                       query = query + "&aid=" + feed;
-               }
-
-               if (tagsAreDisplayed()) {
-                       query = query + "&omode=lt";
-               } else {
-                       query = query + "&omode=flc";
-               }
-
-               debug("update_all_counters QUERY: " + query);
-
-               var date = new Date();
-               var timestamp = Math.round(date.getTime() / 1000);
-               query = query + "&ts=" + timestamp
-
-               xmlhttp_rpc.open("GET", query, true);
-               xmlhttp_rpc.onreadystatechange=all_counters_callback;
-               xmlhttp_rpc.send(null);
-       }
-}
-
-function popupHelp(tid) {
-       var w = window.open("backend.php?op=help&tid=" + tid,
-               "Popup Help", 
-               "menubar=no,location=no,resizable=yes,scrollbars=yes,status=no");
-}
-
 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
   * * @author Sundar Dorai-Raj
   * * Email: sdoraira@vt.edu
@@ -1003,6 +991,8 @@ function hideOrShowFeedsCategory(doc, node, hide, cat_node) {
                return;
        }
 
+//     debug("cat: " + node.id);
+
        if (node.hasChildNodes() && node.firstChild.nextSibling != false) {  
                for (i = 0; i < node.childNodes.length; i++) {
                        if (node.childNodes[i].nodeName != "LI") { continue; }
@@ -1011,13 +1001,18 @@ function hideOrShowFeedsCategory(doc, node, hide, cat_node) {
 
                                var has_unread = (node.childNodes[i].className != "feed" &&
                                        node.childNodes[i].className != "label" && 
+                                       !(!getInitParam("hide_read_shows_special") && 
+                                               node.childNodes[i].className == "virt") && 
+                                       node.childNodes[i].className != "error" && 
                                        node.childNodes[i].className != "tag");
        
-       //                      debug(node.childNodes[i].id + " --> " + has_unread);
+//                             debug(node.childNodes[i].id + " --> " + has_unread);
        
                                if (hide && !has_unread) {
                                        //node.childNodes[i].style.display = "none";
-                                       Effect.Fade(node.childNodes[i], {duration : 0.3});
+                                       var id = node.childNodes[i].id;
+                                       Effect.Fade(node.childNodes[i], {duration : 0.3, 
+                                               queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
                                }
        
                                if (!hide) {
@@ -1035,6 +1030,8 @@ function hideOrShowFeedsCategory(doc, node, hide, cat_node) {
                }
        }       
 
+//     debug("end cat: " + node.id + " unread " + cat_unread);
+
        if (cat_unread == 0) {
                if (cat_node.style == undefined) {
                        debug("ERROR: supplied cat_node " + cat_node + 
@@ -1043,7 +1040,8 @@ function hideOrShowFeedsCategory(doc, node, hide, cat_node) {
                }
                if (hide) {
                        //cat_node.style.display = "none";
-                       Effect.Fade(cat_node, {duration : 0.3});
+                       Effect.Fade(cat_node, {duration : 0.3, 
+                               queue: { position: 'end', scope: 'CFADE-' + node.id, limit: 1 }});
                } else {
                        cat_node.style.display = "list-item";
                }
@@ -1097,38 +1095,40 @@ function selectTableRowsByIdPrefix(content_id, prefix, check_prefix, do_select,
        }
 
        for (i = 0; i < content.rows.length; i++) {
-               if (!classcheck || content.rows[i].className.match(classcheck)) {
+               if (Element.visible(content.rows[i])) {
+                       if (!classcheck || content.rows[i].className.match(classcheck)) {
+               
+                               if (content.rows[i].id.match(prefix)) {
+                                       selectTableRow(content.rows[i], do_select);
+                               
+                                       var row_id = content.rows[i].id.replace(prefix, "");
+                                       var check = document.getElementById(check_prefix + row_id);
+       
+                                       if (check) {
+                                               check.checked = do_select;
+                                       }
+                               } else if (reset_others) {
+                                       selectTableRow(content.rows[i], false);
+       
+                                       var row_id = content.rows[i].id.replace(prefix, "");
+                                       var check = document.getElementById(check_prefix + row_id);
+       
+                                       if (check) {
+                                               check.checked = false;
+                                       }
        
-                       if (content.rows[i].id.match(prefix)) {
-                               selectTableRow(content.rows[i], do_select);
-                       
-                               var row_id = content.rows[i].id.replace(prefix, "");
-                               var check = document.getElementById(check_prefix + row_id);
-
-                               if (check) {
-                                       check.checked = do_select;
                                }
                        } else if (reset_others) {
                                selectTableRow(content.rows[i], false);
-
+       
                                var row_id = content.rows[i].id.replace(prefix, "");
                                var check = document.getElementById(check_prefix + row_id);
-
+       
                                if (check) {
                                        check.checked = false;
                                }
-
-                       }
-               } else if (reset_others) {
-                       selectTableRow(content.rows[i], false);
-
-                       var row_id = content.rows[i].id.replace(prefix, "");
-                       var check = document.getElementById(check_prefix + row_id);
-
-                       if (check) {
-                               check.checked = false;
+       
                        }
-
                }
        }
 }
@@ -1203,10 +1203,6 @@ function toggleSelectRow(sender) {
        }
 }
 
-function openExternalUrl(url) {
-       var w = window.open(url);
-}
-
 function getRelativeFeedId(list, id, direction, unread_only) { 
        var rows = list.getElementsByTagName("LI");
        var feeds = new Array();
@@ -1248,134 +1244,6 @@ function getRelativeFeedId(list, id, direction, unread_only) {
                }
 
        }
-
-/*     if (!id) {
-               if (direction == "next") {
-                       for (i = 0; i < list.childNodes.length; i++) {
-                               var child = list.childNodes[i];
-                               if (child.id && child.id == "feedCatHolder") {
-                                       if (child.lastChild) {
-                                               var cr = getRelativeFeedId(child.firstChild, id, direction, unread_only);
-                                               if (cr) return cr;                                      
-                                       }
-                               } else if (child.id && child.id.match("FEEDR-")) {
-                                       return child.id.replace('FEEDR-', '');
-                               }                               
-                       }
-               }
-
-               // FIXME select last feed doesn't work when only unread feeds are visible
-
-               if (direction == "prev") {
-                       for (i = list.childNodes.length-1; i >= 0; i--) {
-                               var child = list.childNodes[i];                         
-                               if (child.id == "feedCatHolder" && Element.visible(child)) {
-                                       if (child.firstChild) {
-                                               var cr = getRelativeFeedId(child.firstChild, id, direction);
-                                               if (cr) return cr;                                      
-                                       }
-                               } else if (child.id.match("FEEDR-")) {
-                               
-                                       if (getInitParam("hide_read_feeds") == 1) {
-                                               if (child.className != "feed") {
-//                                                     alert(child.className);
-                                                       return child.id.replace('FEEDR-', '');                                          
-                                               }                                                       
-                                       } else {
-                                                       return child.id.replace('FEEDR-', '');                                          
-                                       }                               
-                               }                               
-                       }
-               }
-       } else {
-       
-               var feed = list.ownerDocument.getElementById("FEEDR-" + id);
-               
-               if (getInitParam("hide_read_feeds") == 1) {
-                       unread_only = true;
-               }
-
-               if (direction == "next") {
-
-                       var e = feed;
-
-                       while (e) {
-
-                               if (e.nextSibling) {
-                               
-                                       e = e.nextSibling;
-                                       
-                               } else if (e.parentNode.parentNode.nextSibling) {
-
-                                       var this_cat = e.parentNode.parentNode;
-
-                                       e = false;
-
-                                       if (this_cat && this_cat.nextSibling) {
-                                               while (!e && this_cat.nextSibling) {
-                                                       this_cat = this_cat.nextSibling;
-                                                       if (this_cat.id == "feedCatHolder") {
-                                                               e = this_cat.firstChild.firstChild;
-                                                       }
-                                               }
-                                       }
-
-                               } else {
-                                       e = false;
-                          }
-
-                               if (e) {
-                                       if (!unread_only || (unread_only && e.className != "feed" &&
-                                                       e.className.match("feed")))     {
-                                               if (e.parentNode.parentNode && 
-                                                       Element.visible(e.parentNode.parentNode)) {
-                                                       return e.id.replace("FEEDR-", "");
-                                               }
-                                       }
-                               }
-                       }
-                       
-               } else if (direction == "prev") {
-
-                       var e = feed;
-
-                       while (e) {
-
-                               if (e.previousSibling) {
-                               
-                                       e = e.previousSibling;
-                                       
-                               } else if (e.parentNode.parentNode.previousSibling) {
-
-                                       var this_cat = e.parentNode.parentNode;
-
-                                       e = false;
-
-                                       if (this_cat && this_cat.previousSibling) {
-                                               while (!e && this_cat.previousSibling) {
-                                                       this_cat = this_cat.previousSibling;
-                                                       if (this_cat.id == "feedCatHolder") {
-                                                               e = this_cat.firstChild.lastChild;
-                                                       }
-                                               }
-                                       }
-
-                               } else {
-                                       e = false;
-                          }
-
-                               if (e) {
-                                       if (!unread_only || (unread_only && e.className != "feed" && 
-                                                       e.className.match("feed")))     {
-                                               if (e.parentNode.parentNode && 
-                                                       Element.visible(e.parentNode.parentNode)) {
-                                                       return e.id.replace("FEEDR-", "");
-                                               }
-                                       }
-                               }
-                       }
-               }
-       } */
 }
 
 function showBlockElement(id, h_id) {
@@ -1410,7 +1278,9 @@ function checkboxToggleElement(elem, id) {
 function appearBlockElement(id, h_id) {
 
        try {
-               Effect.Fade(h_id);
+               if (h_id) {
+                       Effect.Fade(h_id);
+               }
                Effect.SlideDown(id, {duration : 1.0, afterFinish: appearBlockElement_afh});
        } catch (e) {
                exception_error("appearBlockElement", e);
@@ -1418,7 +1288,6 @@ function appearBlockElement(id, h_id) {
 
 }
 
-
 function hideParentElement(e) {
        e.parentNode.style.display = "none";
 }
@@ -1490,104 +1359,79 @@ function closeInfoBox(cleanup) {
 
 function displayDlg(id, param) {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
        notify_progress("Loading, please wait...", true);
 
-       xmlhttp.open("GET", "backend.php?op=dlg&id=" +
-               param_escape(id) + "&param=" + param_escape(param), true);
-       xmlhttp.onreadystatechange=infobox_callback;
-       xmlhttp.send(null);
-
        disableHotkeys();
 
+       var query = "backend.php?op=dlg&id=" +
+               param_escape(id) + "&param=" + param_escape(param);
+
+       new Ajax.Request(query, {
+               onComplete: function (transport) {
+                       infobox_callback2(transport);
+               } });
+
        return false;
 }
 
-function infobox_submit_callback() {
-       if (xmlhttp.readyState == 4) {
-               closeInfoBox();
-
-               try {
-                       // called from prefs, reload tab
-                       if (active_tab) {
-                               selectTab(active_tab, false);
-                       }
-               } catch (e) { }
+function infobox_submit_callback2(transport) {
+       closeInfoBox();
 
-               if (xmlhttp.responseText) {
-                       notify_info(xmlhttp.responseText);
+       try {
+               // called from prefs, reload tab
+               if (active_tab) {
+                       selectTab(active_tab, false);
                }
+       } catch (e) { }
 
-       } 
+       if (transport.responseText) {
+               notify_info(transport.responseText);
+       }
 }
 
-function infobox_callback() {
-       if (xmlhttp.readyState == 4) {
-
-               try {
-
-                       if (!is_msie() && !getInitParam("infobox_disable_overlay")) {
-                               var overlay = document.getElementById("dialog_overlay");
-                               if (overlay) {
-                                       overlay.style.display = "block";
-                               }
-                       }
-       
-                       var box = document.getElementById('infoBox');
-                       var shadow = document.getElementById('infoBoxShadow');
-                       if (box) {                      
-
-                               new Draggable(shadow);
-
-                               box.innerHTML=xmlhttp.responseText;                     
-                               if (shadow) {
-                                       shadow.style.display = "block";
-                               } else {
-                                       box.style.display = "block";                            
-                               }
-                       }
+function infobox_callback2(transport) {
+       try {
 
-                       /* FIXME this needs to be moved out somewhere */
+               debug("infobox_callback2");
 
-                       if (document.getElementById("tags_choices")) {
-                               new Ajax.Autocompleter('tags_str', 'tags_choices',
-                                       "backend.php?op=rpc&subop=completeTags",
-                                       { tokens: ',', paramName: "search" });
+               if (!is_msie() && !getInitParam("infobox_disable_overlay")) {
+                       var overlay = document.getElementById("dialog_overlay");
+                       if (overlay) {
+                               overlay.style.display = "block";
                        }
-
-                       notify("");
-               } catch (e) {
-                       exception_error("infobox_callback", e);
                }
-       }
-}
 
-function helpbox_callback() {
-       if (xmlhttp.readyState == 4) {
-               var box = document.getElementById('helpBox');
-               var shadow = document.getElementById('helpBoxShadow');
+               var box = document.getElementById('infoBox');
+               var shadow = document.getElementById('infoBoxShadow');
                if (box) {                      
-                       box.innerHTML=xmlhttp.responseText;                     
+
+/*                             if (!is_safari()) {
+                               new Draggable(shadow);
+                       } */
+
+                       box.innerHTML=transport.responseText;                   
                        if (shadow) {
                                shadow.style.display = "block";
                        } else {
                                box.style.display = "block";                            
                        }
                }
+
+               /* FIXME this needs to be moved out somewhere */
+
+               if (document.getElementById("tags_choices")) {
+                       new Ajax.Autocompleter('tags_str', 'tags_choices',
+                               "backend.php?op=rpc&subop=completeTags",
+                               { tokens: ',', paramName: "search" });
+               }
+
                notify("");
+       } catch (e) {
+               exception_error("infobox_callback2", e);
        }
 }
 
-function addFilter() {
-
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
+function createFilter() {
 
        var form = document.forms['filter_add_form'];
        var reg_exp = form.reg_exp.value;
@@ -1599,10 +1443,11 @@ function addFilter() {
 
        var query = Form.serialize("filter_add_form");
 
-       xmlhttp.open("GET", "backend.php?" + query, true);
-       xmlhttp.onreadystatechange=infobox_submit_callback;
-       xmlhttp.send(null);
-
+       new Ajax.Request("backend.php?" + query, {
+               onComplete: function (transport) {
+                       infobox_submit_callback2(transport);
+               } });
+       
        return true;
 }
 
@@ -1618,12 +1463,7 @@ function isValidURL(s) {
        return s.match("http://") != null || s.match("https://") != null || s.match("feed://") != null;
 }
 
-function qaddFeed() {
-
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
+function subscribeToFeed() {
 
        var form = document.forms['feed_add_form'];
        var feed_url = form.feed_url.value;
@@ -1645,14 +1485,11 @@ function qaddFeed() {
        
        debug("subscribe q: " + query);
 
-/*     xmlhttp.open("GET", "backend.php?" + query, true);
-       xmlhttp.onreadystatechange=dlg_frefresh_callback;
-       xmlhttp.send(null); */
-
-       xmlhttp.open("POST", "backend.php", true);
-       xmlhttp.onreadystatechange=dlg_frefresh_callback;
-       xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
-       xmlhttp.send(query);
+       new Ajax.Request("backend.php", {
+               parameters: query,
+               onComplete: function(transport) { 
+                       dlg_frefresh_callback(transport); 
+               } });
 
        return false;
 }
@@ -1740,7 +1577,7 @@ function fatalError(code, message) {
        
                        if (message == "") message = "Unknown error";
 
-                       fc.innerHTML = "<img src='images/sign_excl.png'> " + message + " (Code " + code + ")";
+                       fc.innerHTML = "<img src='images/sign_excl.gif'> " + message + " (Code " + code + ")";
        
                        fe.style.display = "block";
                }
@@ -1796,7 +1633,7 @@ function filterDlgCheckAction(sender) {
                }
 
                // if selected action supports parameters, enable params field
-               if (action == 4) {
+               if (action == 4 || action == 6) {
                        action_param.disabled = false;
                } else {
                        action_param.disabled = true;
@@ -1812,23 +1649,6 @@ function explainError(code) {
        return displayDlg("explainError", code);
 }
 
-function logoutUser() {
-       try {
-               if (xmlhttp_ready(xmlhttp_rpc)) {
-
-                       notify_progress("Logging out, please wait...", true);
-
-                       xmlhttp_rpc.open("GET", "backend.php?op=rpc&subop=logout", true);
-                       xmlhttp_rpc.onreadystatechange=logout_callback;
-                       xmlhttp_rpc.send(null);
-               } else {
-                       printLockingError();
-               }
-       } catch (e) {
-               exception_error("logoutUser", e);
-       }
-}
-
 // this only searches loaded headlines list, not in CDM
 function getRelativePostIds(id) {
 
@@ -1862,24 +1682,184 @@ function getRelativePostIds(id) {
 
 function openArticleInNewWindow(id) {
        try {
-
-               if (!xmlhttp_ready(xmlhttp_rpc)) {
-                       printLockingError();
-                       return
-               }
-
                debug("openArticleInNewWindow: " + id);
 
                var query = "backend.php?op=rpc&subop=getArticleLink&id=" + id;
 
                debug(query);
 
-               xmlhttp_rpc.open("GET", query, true);
-               xmlhttp_rpc.onreadystatechange=open_article_callback;
-               xmlhttp_rpc.send(null);
+               new Ajax.Request(query, {
+                       onComplete: function(transport) { 
+                               open_article_callback(transport); 
+                       } });
+
 
        } catch (e) {
                exception_error("openArticleInNewWindow", e);
        }
 }
 
+/* http://textsnippets.com/posts/show/835 */
+
+Position.GetWindowSize = function(w) {
+        w = w ? w : window;
+        var width = w.innerWidth || (w.document.documentElement.clientWidth || w.document.body.clientWidth);
+        var height = w.innerHeight || (w.document.documentElement.clientHeight || w.document.body.clientHeight);
+        return [width, height]
+}
+
+/* http://textsnippets.com/posts/show/836 */
+
+Position.Center = function(element, parent) {
+        var w, h, pw, ph;
+        var d = Element.getDimensions(element);
+        w = d.width;
+        h = d.height;
+        Position.prepare();
+        if (!parent) {
+                var ws = Position.GetWindowSize();
+                pw = ws[0];
+                ph = ws[1];
+        } else {
+                pw = parent.offsetWidth;
+                ph = parent.offsetHeight;
+        }
+        element.style.top = (ph/2) - (h/2) -  Position.deltaY + "px";
+        element.style.left = (pw/2) - (w/2) -  Position.deltaX + "px";
+}
+
+
+function labeltest_callback(transport) {
+       try {
+               var container = document.getElementById('label_test_result');
+       
+               container.innerHTML = transport.responseText;
+               if (!Element.visible(container)) {
+                       Effect.SlideDown(container, { duration : 0.5 });
+               }
+
+               notify("");
+       } catch (e) {
+               exception_error("labeltest_callback", e);
+       }
+}
+
+function labelTest() {
+
+       try {
+               var container = document.getElementById('label_test_result');
+       
+               var form = document.forms['label_edit_form'];
+       
+               var sql_exp = form.sql_exp.value;
+               var description = form.description.value;
+       
+               notify_progress("Loading, please wait...");
+       
+               var query = "backend.php?op=pref-labels&subop=test&expr=" +
+                       param_escape(sql_exp) + "&descr=" + param_escape(description);
+       
+               new Ajax.Request(query, {
+                       onComplete: function (transport) {
+                               labeltest_callback(transport);
+                       } });
+       
+               return false;
+
+       } catch (e) {
+               exception_error("labelTest", e);
+       }
+}
+
+function isCdmMode() {
+       return !document.getElementById("headlinesList");
+}
+
+function getSelectedArticleIds2() {
+       var rows = new Array();
+       var cdm_mode = isCdmMode();
+
+       if (cdm_mode) {
+               rows = cdmGetSelectedArticles();
+       } else {        
+               rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
+       }
+
+       var ids = new Array();
+
+       for (var i = 0; i < rows.length; i++) {
+               var chk = document.getElementById("RCHK-" + rows[i]);
+               if (chk && chk.checked) {
+                       ids.push(rows[i]);
+               }
+       }
+
+       return ids;
+}
+
+function displayHelpInfobox(topic_id) {
+
+       var url = "backend.php?op=help&tid=" + param_escape(topic_id);
+
+       var w = window.open(url, "ttrss_help", 
+               "status=0,toolbar=0,location=0,width=450,height=500,scrollbars=1,menubar=0");
+
+       return false;
+}
+
+var _border_color_normal = "#88b0f0";
+var _border_color_highlight = "#72eda8";
+var _border_color_flash = "#f0fff0";
+
+function highlightHotkeyZone(zone) {
+       try {
+               var feeds = document.getElementById("feeds-holder");
+               var headlines = document.getElementById("headlines-frame");
+               var content = document.getElementById("content-frame");
+
+               feeds.style.borderColor = _border_color_normal;
+               headlines.style.borderColor = _border_color_normal;
+               content.style.borderColor = _border_color_normal;
+
+               if (zone == 1) {
+                       feeds.style.borderColor = _border_color_highlight;
+
+                       new Effect.Highlight(feeds, {duration: 0.5, startcolor: 
+                               _border_color_flash,
+                               queue: { position:'end', scope: 'EFCHL-Q', limit: 1 } } );
+               }
+
+               if (zone == 2) {
+                       headlines.style.borderColor = _border_color_highlight;
+
+                       new Effect.Highlight(headlines, {duration: 0.5, startcolor: 
+                               _border_color_flash,
+                               queue: { position:'end', scope: 'EFCHL-Q', limit: 1 } } );
+               }
+
+               if (zone == 3 && content) {                     
+                       content.style.borderColor = _border_color_highlight;
+
+                       new Effect.Highlight(content, {duration: 0.5, startcolor: 
+                               _border_color_flash,
+                               queue: { position:'end', scope: 'EFCHL-Q', limit: 1 } } );
+               }
+
+       } catch (e) {
+               exception_error("highlightHotkeyZone", e);
+       }
+}
+
+
+function setHotkeyZone(zone) {
+       try {
+               hotkey_zone = zone;
+
+               highlightHotkeyZone(zone);
+
+
+       } catch (e) {
+               exception_error("setHotkeyZone", e);
+       }
+}
+