]> git.wh0rd.org - tt-rss.git/blobdiff - functions.js
do not allow offline browsing when DB is empty
[tt-rss.git] / functions.js
index b3673b03f56bc4ac034053bfb2bc30f57410b56e..837a6b42f35e7ae8d248f5cb9e547226f8de0562 100644 (file)
@@ -1,7 +1,7 @@
 var hotkeys_enabled = true;
-var xmlhttp_rpc = Ajax.getTransport();
 var notify_silent = false;
 var last_progress_point = 0;
+var async_counters_work = false;
 
 /* add method to remove element from array */
 
@@ -15,7 +15,44 @@ function is_opera() {
        return window.opera;
 }
 
-function exception_error(location, e, silent) {
+function exception_error(location, e, ext_info) {
+       var msg = format_exception_error(location, e);
+
+       disableHotkeys();
+
+       try {
+
+               var ebc = document.getElementById("xebContent");
+       
+               if (ebc) {
+       
+                       Element.show("dialog_overlay");
+                       Element.show("errorBoxShadow");
+       
+                       if (ext_info) {
+                               if (ext_info.responseText) {
+                                       ext_info = ext_info.responseText;
+                               }
+                       }
+       
+                       ebc.innerHTML = 
+                               "<div><b>Error message:</b></div>" +
+                               "<pre>" + msg + "</pre>" +
+                               "<div><b>Additional information:</b></div>" +
+                               "<textarea readonly=\"1\">" + ext_info + "</textarea>";
+       
+               } else {
+                       alert(msg);
+               }
+
+       } catch (e) {
+               alert(msg);
+
+       }
+
+}
+
+function format_exception_error(location, e) {
        var msg;
 
        if (e.fileName) {
@@ -33,11 +70,10 @@ function exception_error(location, e, silent) {
 
        debug("<b>EXCEPTION: " + msg + "</b>");
 
-       if (!silent) {
-               alert(msg);
-       }
+       return msg;
 }
 
+
 function disableHotkeys() {
        hotkeys_enabled = false;
 }
@@ -46,10 +82,6 @@ function enableHotkeys() {
        hotkeys_enabled = true;
 }
 
-function xmlhttp_ready(obj) {
-       return obj.readyState == 4 || obj.readyState == 0 || !obj.readyState;
-}
-
 function open_article_callback(transport) {
        try {
 
@@ -405,30 +437,6 @@ function gotoExportOpml() {
        document.location.href = "opml.php?op=Export";
 }
 
-function getActiveFeedId() {
-//     return getCookie("ttrss_vf_actfeed");
-       try {
-               debug("gAFID: " + active_feed_id);
-               return active_feed_id;
-       } catch (e) {
-               exception_error("getActiveFeedId", e);
-       }
-}
-
-function activeFeedIsCat() {
-       return active_feed_is_cat;
-}
-
-function setActiveFeedId(id) {
-//     return setCookie("ttrss_vf_actfeed", id);
-       try {
-               debug("sAFID(" + id + ")");
-               active_feed_id = id;
-       } catch (e) {
-               exception_error("setActiveFeedId", e);
-       }
-}
-
 function parse_counters(reply, scheduled_call) {
        try {
 
@@ -531,7 +539,7 @@ function parse_counters(reply, scheduled_call) {
                                }
        
                                if (ctr > 0) {                                  
-                                       feedctr.className = "odd";
+                                       feedctr.className = "feedCtrHasUnread";
                                        if (!feedr.className.match("Unread")) {
                                                var is_selected = feedr.className.match("Selected");
                
@@ -551,7 +559,7 @@ function parse_counters(reply, scheduled_call) {
                                                        queue: { position:'end', scope: 'EFQ-' + id, limit: 1 } } );
                                        }
                                } else {
-                                       feedctr.className = "invisible";
+                                       feedctr.className = "feedCtrNoUnread";
                                        feedr.className = feedr.className.replace("Unread", "");
                                }                       
                        }
@@ -570,6 +578,12 @@ function parse_counters(reply, scheduled_call) {
                                debug("Subscribed feed number changed, refreshing feedlist");
                                setTimeout('updateFeedList(false, false)', 50);
                        }
+               } else {
+/*                     var fl = document.getElementById("feeds-frame").innerHTML;
+                       if (fl) {
+                               cache_invalidate("FEEDLIST");
+                               cache_inject("FEEDLIST", fl, getInitParam("num_feeds"));
+                       } */
                }
 
        } catch (e) {
@@ -591,24 +605,8 @@ function parse_counters_reply(transport, scheduled_call) {
                updateTitle("");
                return;
        } 
-       
-       var error_code = false;
-       var error_msg = false;
 
-       if (reply.firstChild) {
-               error_code = reply.firstChild.getAttribute("error-code");
-               error_msg = reply.firstChild.getAttribute("error-msg");
-       }
-
-       if (!error_code) {      
-               error_code = reply.getAttribute("error-code");
-               error_msg = reply.getAttribute("error-msg");
-       }
-       
-       if (error_code && error_code != 0) {
-               debug("refetch_callback: got error code " + error_code);
-               return fatalError(error_code, error_msg);
-       }
+       if (!transport_error_check(transport)) return;
 
        var counters = reply.getElementsByTagName("counters")[0];
        
@@ -626,14 +624,18 @@ function parse_counters_reply(transport, scheduled_call) {
 
 }
 
-function all_counters_callback2(transport) {
+function all_counters_callback2(transport, async_call) {
        try {
+               if (async_call) async_counters_work = true;
+               
+               if (offline_mode) return;
+
                debug("<b>all_counters_callback2 IN: " + transport + "</b>");
                parse_counters_reply(transport);
                debug("<b>all_counters_callback2 OUT: " + transport + "</b>");
 
        } catch (e) {
-               exception_error("all_counters_callback2", e);
+               exception_error("all_counters_callback2", e, transport);
        }
 }
 
@@ -641,7 +643,17 @@ function get_feed_unread(id) {
        try {
                return parseInt(document.getElementById("FEEDU-" + id).innerHTML);      
        } catch (e) {
-               exception_error("get_feed_unread", e, true);
+               return -1;
+       }
+}
+
+function get_cat_unread(id) {
+       try {
+               var ctr = document.getElementById("FCATCTR-" + id).innerHTML;
+               ctr = ctr.replace("(", "");
+               ctr = ctr.replace(")", "");
+               return parseInt(ctr);
+       } catch (e) {
                return -1;
        }
 }
@@ -844,25 +856,28 @@ function hideOrShowFeedsCategory(id, hide) {
                }       
        
        //      debug("end cat: " + node.id + " unread " + cat_unread);
-       
-               if (cat_unread == 0) {
-                       if (cat_node.style == undefined) {
-                               debug("ERROR: supplied cat_node " + cat_node + 
-                                       " has no styles. WTF?");
-                               return;
-                       }
-                       if (hide) {
-                               //cat_node.style.display = "none";
-                               Effect.Fade(cat_node, {duration : 0.3, 
-                                       queue: { position: 'end', scope: 'CFADE-' + node.id, limit: 1 }});
+
+               if (cat_node) {
+
+                       if (cat_unread == 0) {
+                               if (cat_node.style == undefined) {
+                                       debug("ERROR: supplied cat_node " + cat_node + 
+                                               " has no styles. WTF?");
+                                       return;
+                               }
+                               if (hide) {
+                                       //cat_node.style.display = "none";
+                                       Effect.Fade(cat_node, {duration : 0.3, 
+                                               queue: { position: 'end', scope: 'CFADE-' + node.id, limit: 1 }});
+                               } else {
+                                       cat_node.style.display = "list-item";
+                               }
                        } else {
-                               cat_node.style.display = "list-item";
-                       }
-               } else {
-                       try {
-                               cat_node.style.display = "list-item";
-                       } catch (e) {
-                               debug(e);
+                               try {
+                                       cat_node.style.display = "list-item";
+                               } catch (e) {
+                                       debug(e);
+                               }
                        }
                }
 
@@ -1020,6 +1035,110 @@ function toggleSelectRow(sender) {
        }
 }
 
+function getNextUnreadCat(id) {
+       try {
+               var rows = document.getElementById("feedList").getElementsByTagName("LI");
+               var feeds = new Array();
+
+               var unread_only = true;
+               var is_cat = true;
+
+               for (var i = 0; i < rows.length; i++) {
+                       if (rows[i].id.match("FCAT-")) {
+                               if (rows[i].id == "FCAT-" + id && is_cat || (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
+
+                                       var cat_id = parseInt(rows[i].id.replace("FCAT-", ""));
+
+                                       if (cat_id >= 0) {
+                                               if (!unread_only || get_cat_unread(cat_id) > 0) {
+                                                       feeds.push(cat_id);
+                                               }
+                                       }
+                               }
+                       }
+               }
+
+               var idx = feeds.indexOf(id);
+               if (idx != -1 && idx < feeds.length) {
+                       return feeds[idx+1];                                    
+               } else {
+                       return feeds.shift();
+               }
+
+       } catch (e) {
+               exception_error("getNextUnreadCat", e);
+       }
+}
+
+function getRelativeFeedId2(id, is_cat, direction, unread_only) {      
+       try {
+
+//             alert(id + " IC: " + is_cat + " D: " + direction + " U: " + unread_only);
+
+               var rows = document.getElementById("feedList").getElementsByTagName("LI");
+               var feeds = new Array();
+       
+               for (var i = 0; i < rows.length; i++) {
+                       if (rows[i].id.match("FEEDR-")) {
+       
+                               if (rows[i].id == "FEEDR-" + id && !is_cat || (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
+       
+                                       if (!unread_only || 
+                                                       (rows[i].className.match("Unread") || rows[i].id == "FEEDR-" + id)) {
+                                               feeds.push(rows[i].id.replace("FEEDR-", ""));
+                                       }
+                               }
+                       }
+
+                       if (rows[i].id.match("FCAT-")) {
+                               if (rows[i].id == "FCAT-" + id && is_cat || (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
+
+                                       var cat_id = parseInt(rows[i].id.replace("FCAT-", ""));
+
+                                       if (cat_id >= 0) {
+                                               if (!unread_only || get_cat_unread(cat_id) > 0) {
+                                                       feeds.push("CAT:"+cat_id);
+                                               }
+                                       }
+                               }
+                       }
+               }
+       
+//             alert(feeds.toString());
+
+               if (!id) {
+                       if (direction == "next") {
+                               return feeds.shift();
+                       } else {
+                               return feeds.pop();
+                       }
+               } else {
+                       if (direction == "next") {
+                               if (is_cat) id = "CAT:" + id;
+                               var idx = feeds.indexOf(id);
+                               if (idx != -1 && idx < feeds.length) {
+                                       return feeds[idx+1];                                    
+                               } else {
+                                       return getRelativeFeedId2(false, is_cat, direction, unread_only);
+                               }
+                       } else {
+                               if (is_cat) id = "CAT:" + id;
+                               var idx = feeds.indexOf(id);
+                               if (idx > 0) {
+                                       return feeds[idx-1];
+                               } else {
+                                       return getRelativeFeedId2(false, is_cat, direction, unread_only);
+                               }
+                       }
+       
+               }
+
+       } catch (e) {
+               exception_error("getRelativeFeedId2", e);
+       }
+}
+
+
 function getRelativeFeedId(list, id, direction, unread_only) { 
        var rows = list.getElementsByTagName("LI");
        var feeds = new Array();
@@ -1086,9 +1205,9 @@ function appearBlockElement_afh(effect) {
 
 function checkboxToggleElement(elem, id) {
        if (elem.checked) {
-               Effect.SlideDown(id, {duration : 0.5});
+               Effect.Appear(id, {duration : 0.5});
        } else {
-               Effect.SlideUp(id, {duration : 0.5});
+               Effect.Fade(id, {duration : 0.5});
        }
 }
 
@@ -1148,22 +1267,32 @@ function leading_zero(p) {
        return s;
 }
 
-function closeInfoBox(cleanup) {
-
-       Element.hide("dialog_overlay");
+function closeErrorBox() {
 
-       var box = document.getElementById('infoBox');
-       var shadow = document.getElementById('infoBoxShadow');
+       if (Element.visible("errorBoxShadow")) {
+               Element.hide("dialog_overlay");
+               Element.hide("errorBoxShadow");
 
-       if (shadow) {
-               shadow.style.display = "none";
-       } else if (box) {
-               box.style.display = "none";
+               enableHotkeys();
        }
 
-       if (cleanup) box.innerHTML = "&nbsp;";
+       return false;
+}
+
+function closeInfoBox(cleanup) {
+
+       if (Element.visible("infoBoxShadow")) {
+               Element.hide("dialog_overlay");
+       
+               var shadow = document.getElementById('infoBoxShadow');
+               var box = document.getElementById('infoBoxShadow');
+
+               Element.hide(shadow);
 
-       enableHotkeys();
+               if (cleanup) box.innerHTML = "&nbsp;";
+
+               enableHotkeys();
+       }
 
        return false;
 }
@@ -1366,7 +1495,7 @@ function storeInitParam(key, value) {
        init_params[key] = value;
 }
 
-function fatalError(code, message) {
+function fatalError(code, msg, ext_info) {
        try {   
 
                if (code == 6) {
@@ -1374,14 +1503,29 @@ function fatalError(code, message) {
                } else if (code == 5) {
                        window.location.href = "update.php";
                } else {
-                       var fe = document.getElementById("fatal_error");
-                       var fc = document.getElementById("fatal_error_msg");
        
-                       if (message == "") message = "Unknown error";
+                       if (msg == "") msg = "Unknown error";
+
+                       var ebc = document.getElementById("xebContent");
+       
+                       if (ebc) {
+       
+                               Element.show("dialog_overlay");
+                               Element.show("errorBoxShadow");
+                               Element.hide("xebBtn");
 
-                       fc.innerHTML = "<img src='images/sign_excl.gif'> " + message + " (Code " + code + ")";
+                               if (ext_info) {
+                                       if (ext_info.responseText) {
+                                               ext_info = ext_info.responseText;
+                                       }
+                               }
        
-                       fe.style.display = "block";
+                               ebc.innerHTML = 
+                                       "<div><b>Error message:</b></div>" +
+                                       "<pre>" + msg + "</pre>" +
+                                       "<div><b>Additional information:</b></div>" +
+                                       "<textarea readonly=\"1\">" + ext_info + "</textarea>";
+                       }
                }
 
        } catch (e) {
@@ -1404,6 +1548,39 @@ function getFeedName(id, is_cat) {
        }
 }
 
+function filterDlgCheckType(sender) {
+
+       try {
+
+               var ftype = sender[sender.selectedIndex].value;
+
+               var form = document.forms["filter_add_form"];
+       
+               if (!form) {
+                       form = document.forms["filter_edit_form"];
+               }
+
+               if (!form) {
+                       debug("filterDlgCheckType: can't find form!");
+                       return;
+               }
+
+               // if selected filter type is 5 (Date) enable the modifier dropbox
+               if (ftype == 5) {
+                       Element.show("filter_dlg_date_mod_box");
+                       Element.show("filter_dlg_date_chk_box");
+               } else {
+                       Element.hide("filter_dlg_date_mod_box");
+                       Element.hide("filter_dlg_date_chk_box");
+
+               }
+
+       } catch (e) {
+               exception_error("filterDlgCheckType", e);
+       }
+
+}
+
 function filterDlgCheckAction(sender) {
 
        try {
@@ -1421,18 +1598,25 @@ function filterDlgCheckAction(sender) {
                        return;
                }
 
-               var action_param = form.action_param;
+               var action_param = document.getElementById("filter_dlg_param_box");
 
                if (!action_param) {
-                       debug("filterDlgCheckAction: can't find action param!");
+                       debug("filterDlgCheckAction: can't find action param box!");
                        return;
                }
 
                // if selected action supports parameters, enable params field
-               if (action == 4 || action == 6) {
-                       action_param.disabled = false;
+               if (action == 4 || action == 6 || action == 7) {
+                       Element.show(action_param);
+                       if (action != 7) {
+                               Element.show(form.action_param);
+                               Element.hide(form.action_param_label);
+                       } else {
+                               Element.show(form.action_param_label);
+                               Element.hide(form.action_param);
+                       }
                } else {
-                       action_param.disabled = true;
+                       Element.hide(action_param);
                }
 
        } catch (e) {
@@ -1441,6 +1625,55 @@ function filterDlgCheckAction(sender) {
 
 }
 
+function filterDlgCheckDate() {
+       try {
+               var form = document.forms["filter_add_form"];
+       
+               if (!form) {
+                       form = document.forms["filter_edit_form"];
+               }
+
+               if (!form) {
+                       debug("filterDlgCheckAction: can't find form!");
+                       return;
+               }
+
+               var reg_exp = form.reg_exp.value;
+
+               var query = "backend.php?op=rpc&subop=checkDate&date=" + reg_exp;
+
+               new Ajax.Request(query, {
+                       onComplete: function(transport) { 
+
+                               var form = document.forms["filter_add_form"];
+       
+                               if (!form) {
+                                       form = document.forms["filter_edit_form"];
+                               }
+
+                               if (transport.responseXML) {
+                                       var result = transport.responseXML.getElementsByTagName("result")[0];
+
+                                       if (result && result.firstChild) {
+                                               if (result.firstChild.nodeValue == "1") {
+
+                                                       new Effect.Highlight(form.reg_exp, {startcolor : '#00ff00'});
+
+                                                       return;
+                                               }
+                                       }
+                               }
+
+                               new Effect.Highlight(form.reg_exp, {startcolor : '#ff0000'});
+
+                       } });
+
+
+       } catch (e) {
+               exception_error("filterDlgCheckDate", e);
+       }
+}
+
 function explainError(code) {
        return displayDlg("explainError", code);
 }
@@ -1609,7 +1842,6 @@ function displayHelpInfobox(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;
 }
 
 function focus_element(id) {
@@ -1652,3 +1884,243 @@ function remove_splash() {
                debug("removed splash!");
        }
 }
+
+function addLabelExample() {
+       try {
+               var form = document.forms["label_edit_form"];
+
+               var text = form.sql_exp;
+               var op = form.label_fields[form.label_fields.selectedIndex];
+               var p = form.label_fields_param;
+
+               if (op) {
+                       op = op.value;
+
+                       var tmp = "";
+
+                       if (text.value != "") {                 
+                               if (text.value.substring(text.value.length-3, 3).toUpperCase() != "AND") {
+                                       tmp = " AND ";
+                               } else {
+                                       tmp = " ";
+                               }
+                       }
+
+                       if (op == "unread") {
+                               tmp = tmp + "unread = true";
+                       }
+
+                       if (op == "updated") {
+                               tmp = tmp + "last_read is null and unread = false";
+                       }
+
+                       if (op == "kw_title") {
+                               if (p.value == "") {
+                                       alert("This action requires a parameter.");
+                                       return false;
+                               }
+                               tmp = tmp + "ttrss_entries.title like '%"+p.value+"%'";
+                       }
+
+                       if (op == "kw_content") {
+                               if (p.value == "") {
+                                       alert("This action requires a parameter.");
+                                       return false;
+                               }
+
+                               tmp = tmp + "ttrss_entries.content like '%"+p.value+"%'";
+                       }
+
+                       if (op == "scoreE") {
+                               if (isNaN(parseInt(p.value))) {
+                                       alert("This action expects numeric parameter.");
+                                       return false;
+                               }
+                               tmp = tmp + "score = " + p.value;
+                       }
+
+                       if (op == "scoreG") {
+                               if (isNaN(parseInt(p.value))) {
+                                       alert("This action expects numeric parameter.");
+                                       return false;
+                               }
+                               tmp = tmp + "score > " + p.value;
+                       }
+
+                       if (op == "scoreL") {
+                               if (isNaN(parseInt(p.value))) {
+                                       alert("This action expects numeric parameter.");
+                                       return false;
+                               }
+                               tmp = tmp + "score < " + p.value;
+                       }
+
+                       if (op == "newerD") {
+                               if (isNaN(parseInt(p.value))) {
+                                       alert("This action expects numeric parameter.");
+                                       return false;
+                               }
+                               tmp = tmp + "updated > NOW() - INTERVAL '"+parseInt(p.value)+" days'";
+                       }
+
+                       if (op == "newerH") {
+                               if (isNaN(parseInt(p.value))) {
+                                       alert("This action expects numeric parameter.");
+                                       return false;
+                               }
+
+                               tmp = tmp + "updated > NOW() - INTERVAL '"+parseInt(p.value)+" hours'";
+                       }
+
+                       text.value = text.value + tmp;
+
+                       p.value = "";
+
+               }
+               
+       } catch (e) {
+               exception_error("addLabelExample", e);
+       }
+
+       return false;
+}
+
+function labelFieldsCheck(elem) {
+       try {
+               var op = elem[elem.selectedIndex].value;
+
+               var p = document.forms["label_edit_form"].label_fields_param;
+
+               if (op == "kw_title" || op == "kw_content" || op == "scoreL" || 
+                               op == "scoreG" ||       op == "scoreE" || op == "newerD" ||
+                               op == "newerH" ) {
+                       Element.show(p);
+               } else {
+                       Element.hide(p);
+               }
+
+       } catch (e) {
+               exception_error("labelFieldsCheck", e);
+
+       }
+}
+
+function getSelectedFeedsFromBrowser() {
+
+       var list = document.getElementById("browseFeedList");
+       if (!list) list = document.getElementById("browseBigFeedList");
+
+       var selected = new Array();
+       
+       for (i = 0; i < list.childNodes.length; i++) {
+               var child = list.childNodes[i];
+               if (child.id && child.id.match("FBROW-")) {
+                       var id = child.id.replace("FBROW-", "");
+                       
+                       var cb = document.getElementById("FBCHK-" + id);
+
+                       if (cb.checked) {
+                               selected.push(id);
+                       }
+               }
+       }
+
+       return selected;
+}
+
+function updateFeedBrowser() {
+       try {
+
+               var query = "backend.php?op=rpc&subop=feedBrowser";
+
+               var search = document.getElementById("feed_browser_search");
+               var limit = document.getElementById("feed_browser_limit");
+
+               if (limit) {
+                       query = query + "&limit=" + limit[limit.selectedIndex].value;
+               }
+
+               if (search) {
+                       query = query + "&search=" + param_escape(search.value);
+               }
+
+               notify_progress("Loading, please wait...", true);
+
+               new Ajax.Request(query, {
+                       onComplete: function(transport) { 
+                               notify('');
+
+                               var c = document.getElementById("browseFeedList");
+                               var r = transport.responseXML.getElementsByTagName("content")[0];
+                               var nr = transport.responseXML.getElementsByTagName("num-results")[0];
+                               var sb = document.getElementById("feed_browser_subscribe");
+
+                               if (c && r) {
+                                       c.innerHTML = r.firstChild.nodeValue;
+                               }
+       
+                               if (nr && sb) {
+                                       if (nr.getAttribute("value") > 0) {
+                                               sb.disabled = false;
+                                       } else {
+                                               sb.disabled = true;
+                                       }
+                               }
+
+                       } });
+
+
+       } catch (e) {
+               exception_error("updateFeedBrowser", e);
+       }
+}
+
+function browseFeeds(limit) {
+
+       try {
+
+               var query = "backend.php?op=pref-feeds&subop=browse";
+
+               notify_progress("Loading, please wait...", true);
+
+               new Ajax.Request(query, {
+                       onComplete: function(transport) { 
+                               infobox_callback2(transport);
+                       } });
+
+               return false;
+       } catch (e) {
+               exception_error("browseFeeds", e);
+       }
+}
+
+function transport_error_check(transport) {
+       try {
+               if (transport.responseXML) {
+                       var error = transport.responseXML.getElementsByTagName("error")[0];
+
+                       if (error) {
+                               var code = error.getAttribute("error-code");
+                               var msg = error.getAttribute("error-msg");
+                               if (code != 0) {
+                                       fatalError(code, msg);
+                                       return false;
+                               }
+                       }
+               }
+       } catch (e) {
+               exception_error("check_for_error_xml", e);
+       }
+       return true;
+}
+
+function strip_tags(s) {
+       return s.replace(/<\/?[^>]+(>|$)/g, "");
+}
+
+function truncate_string(s, length) {
+       if (!length) length = 30;
+       var tmp = s.substring(0, length);
+       if (s.length > length) tmp += "&hellip;";
+       return tmp;
+}