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functions.js
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var hotkeys_enabled = true;
var notify_silent = false;
var last_progress_point = 0;
var async_counters_work = false;
var sanity_check_done = false;
/* add method to remove element from array */
Array.prototype.remove = function(s) {
for (var i=0; i < this.length; i++) {
if (s == this[i]) this.splice(i, 1);
}
}
/* create console.log if it doesn't exist */
if (!window.console) console = {};
console.log = console.log || function(msg) { };
console.warn = console.warn || function(msg) { };
console.error = console.error || function(msg) { };
function exception_error(location, e, ext_info) {
var msg = format_exception_error(location, e);
if (!ext_info) ext_info = false;
disableHotkeys();
try {
var ebc = $("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>";
if (ext_info) {
ebc.innerHTML += "<div><b>Additional information:</b></div>" +
"<textarea readonly=\"1\">" + ext_info + "</textarea>";
}
ebc.innerHTML += "<div><b>Stack trace:</b></div>" +
"<textarea readonly=\"1\">" + e.stack + "</textarea>";
} else {
alert(msg);
}
} catch (e) {
alert(msg);
}
}
function format_exception_error(location, e) {
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 + "()";
}
console.error("EXCEPTION: " + msg);
return msg;
}
function disableHotkeys() {
hotkeys_enabled = false;
}
function enableHotkeys() {
hotkeys_enabled = true;
}
function param_escape(arg) {
if (typeof encodeURIComponent != 'undefined')
return encodeURIComponent(arg);
else
return escape(arg);
}
function param_unescape(arg) {
if (typeof decodeURIComponent != 'undefined')
return decodeURIComponent(arg);
else
return unescape(arg);
}
function delay(gap) {
var then,now;
then=new Date().getTime();
now=then;
while((now-then)<gap) {
now=new Date().getTime();
}
}
var notify_hide_timerid = false;
function hide_notify() {
var n = $("notify");
if (n) {
n.style.display = "none";
}
}
function notify_silent_next() {
notify_silent = true;
}
function notify_real(msg, no_hide, n_type) {
if (notify_silent) {
notify_silent = false;
return;
}
var n = $("notify");
var nb = $("notify_body");
if (!n || !nb) return;
if (notify_hide_timerid) {
window.clearTimeout(notify_hide_timerid);
}
if (msg == "") {
if (n.style.display == "block") {
notify_hide_timerid = window.setTimeout("hide_notify()", 0);
}
return;
} else {
n.style.display = "block";
}
/* types:
1 - generic
2 - progress
3 - error
4 - info
*/
if (typeof __ != 'undefined') {
msg = __(msg);
}
if (n_type == 1) {
n.className = "notify";
} else if (n_type == 2) {
n.className = "notifyProgress";
msg = "<img src='"+getInitParam("sign_progress")+"'> " + msg;
} else if (n_type == 3) {
n.className = "notifyError";
msg = "<img src='"+getInitParam("sign_excl")+"'> " + msg;
} else if (n_type == 4) {
n.className = "notifyInfo";
msg = "<img src='"+getInitParam("sign_info")+"'> " + msg;
}
// msg = "<img src='images/live_com_loading.gif'> " + msg;
nb.innerHTML = msg;
if (!no_hide) {
notify_hide_timerid = window.setTimeout("hide_notify()", 3000);
}
}
function notify(msg, no_hide) {
notify_real(msg, no_hide, 1);
}
function notify_progress(msg, no_hide) {
notify_real(msg, no_hide, 2);
}
function notify_error(msg, no_hide) {
notify_real(msg, no_hide, 3);
}
function notify_info(msg, no_hide) {
notify_real(msg, no_hide, 4);
}
function printLockingError() {
notify_info("Please wait until operation finishes.");
}
function cleanSelected(element) {
var content = $(element);
for (i = 0; i < content.rows.length; i++) {
content.rows[i].className = content.rows[i].className.replace("Selected", "");
}
}
function getVisibleUnreadHeadlines() {
var content = $("headlinesList");
var rows = new Array();
if (!content) return rows;
for (i = 0; i < content.rows.length; i++) {
var row_id = content.rows[i].id.replace("RROW-", "");
if (row_id.length > 0 && content.rows[i].className.match("Unread")) {
rows.push(row_id);
}
}
return rows;
}
function getVisibleHeadlineIds() {
var content = $("headlinesList");
var rows = new Array();
if (!content) return rows;
for (i = 0; i < content.rows.length; i++) {
var row_id = content.rows[i].id.replace("RROW-", "");
if (row_id.length > 0) {
rows.push(row_id);
}
}
return rows;
}
function getFirstVisibleHeadlineId() {
if (isCdmMode()) {
var rows = cdmGetVisibleArticles();
return rows[0];
} else {
var rows = getVisibleHeadlineIds();
return rows[0];
}
}
function getLastVisibleHeadlineId() {
if (isCdmMode()) {
var rows = cdmGetVisibleArticles();
return rows[rows.length-1];
} else {
var rows = getVisibleHeadlineIds();
return rows[rows.length-1];
}
}
function markHeadline(id) {
var row = $("RROW-" + id);
if (row) {
var is_active = false;
if (row.className.match("Active")) {
is_active = true;
}
row.className = row.className.replace("Selected", "");
row.className = row.className.replace("Active", "");
row.className = row.className.replace("Insensitive", "");
if (is_active) {
row.className = row.className = "Active";
}
var check = $("RCHK-" + id);
if (check) {
check.checked = true;
}
row.className = row.className + "Selected";
}
}
function getFeedIds() {
var content = $("feedsList");
var rows = new Array();
for (i = 0; i < content.rows.length; i++) {
var id = content.rows[i].id.replace("FEEDR-", "");
if (id.length > 0) {
rows.push(id);
}
}
return rows;
}
function setCookie(name, value, lifetime, path, domain, secure) {
var d = false;
if (lifetime) {
d = new Date();
d.setTime(d.getTime() + (lifetime * 1000));
}
console.log("setCookie: " + name + " => " + value + ": " + d);
int_setCookie(name, value, d, path, domain, secure);
}
function int_setCookie(name, value, expires, path, domain, secure) {
document.cookie= name + "=" + escape(value) +
((expires) ? "; expires=" + expires.toGMTString() : "") +
((path) ? "; path=" + path : "") +
((domain) ? "; domain=" + domain : "") +
((secure) ? "; secure" : "");
}
function delCookie(name, path, domain) {
if (getCookie(name)) {
document.cookie = name + "=" +
((path) ? ";path=" + path : "") +
((domain) ? ";domain=" + domain : "" ) +
";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}
}
function getCookie(name) {
var dc = document.cookie;
var prefix = name + "=";
var begin = dc.indexOf("; " + prefix);
if (begin == -1) {
begin = dc.indexOf(prefix);
if (begin != 0) return null;
}
else {
begin += 2;
}
var end = document.cookie.indexOf(";", begin);
if (end == -1) {
end = dc.length;
}
return unescape(dc.substring(begin + prefix.length, end));
}
function gotoPreferences() {
document.location.href = "prefs.php";
}
function gotoMain() {
document.location.href = "tt-rss.php";
}
function gotoExportOpml() {
document.location.href = "opml.php?op=Export";
}
function parse_counters(reply, scheduled_call) {
try {
var feeds_found = 0;
var elems = JSON.parse(reply.firstChild.nodeValue);
for (var l = 0; l < elems.length; l++) {
var id = elems[l].id
var kind = elems[l].kind;
var ctr = parseInt(elems[l].counter)
var error = elems[l].error;
var has_img = elems[l].has_img;
var updated = elems[l].updated;
var title = elems[l].title;
var xmsg = elems[l].xmsg;
if (id == "global-unread") {
if (ctr > global_unread) {
offlineDownloadStart(1);
}
global_unread = ctr;
updateTitle();
continue;
}
if (id == "subscribed-feeds") {
feeds_found = ctr;
continue;
}
if (kind && kind == "cat") {
var catctr = $("FCATCTR-" + id);
if (catctr) {
catctr.innerHTML = "(" + ctr + ")";
if (ctr > 0) {
catctr.className = "catCtrHasUnread";
} else {
catctr.className = "catCtrNoUnread";
}
}
continue;
}
var feedctr = $("FEEDCTR-" + id);
var feedu = $("FEEDU-" + id);
var feedr = $("FEEDR-" + id);
var feed_img = $("FIMG-" + id);
var feedlink = $("FEEDL-" + id);
var feedupd = $("FLUPD-" + id);
if (updated && feedlink) {
if (error) {
feedlink.title = "Error: " + error + " (" + updated + ")";
} else {
feedlink.title = "Updated: " + updated;
}
}
if (feedupd) {
if (!updated) updated = "";
if (error) {
if (xmsg) {
feedupd.innerHTML = updated + " " + xmsg + " (Error)";
} else {
feedupd.innerHTML = updated + " (Error)";
}
} else {
if (xmsg) {
feedupd.innerHTML = updated + " " + xmsg;
} else {
feedupd.innerHTML = updated;
}
}
}
if (has_img && feed_img) {
if (!feed_img.src.match(id + ".ico")) {
feed_img.src = getInitParam("icons_url") + "/" + id + ".ico";
}
}
if (feedlink && title) {
feedlink.innerHTML = title;
}
if (feedctr && feedu && feedr) {
if (parseInt(ctr) > 0 &&
parseInt(feedu.innerHTML) < parseInt(ctr) &&
id == getActiveFeedId() && scheduled_call) {
displayNewContentPrompt(id);
}
var row_needs_hl = (ctr > 0 && ctr > parseInt(feedu.innerHTML));
feedu.innerHTML = ctr;
if (error) {
feedr.className = feedr.className.replace("feed", "error");
} else if (id > 0) {
feedr.className = feedr.className.replace("error", "feed");
}
if (ctr > 0) {
feedctr.className = "feedCtrHasUnread";
if (!feedr.className.match("Unread")) {
var is_selected = feedr.className.match("Selected");
feedr.className = feedr.className.replace("Selected", "");
feedr.className = feedr.className.replace("Unread", "");
feedr.className = feedr.className + "Unread";
if (is_selected) {
feedr.className = feedr.className + "Selected";
}
}
if (row_needs_hl &&
!getInitParam("theme_options").match('no_highlights')) {
new Effect.Highlight(feedr, {duration: 1, startcolor: "#fff7d5",
queue: { position:'end', scope: 'EFQ-' + id, limit: 1 } } );
cache_invalidate("F:" + id);
}
} else {
feedctr.className = "feedCtrNoUnread";
feedr.className = feedr.className.replace("Unread", "");
}
}
}
hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
var feeds_stored = number_of_feeds;
console.log("Feed counters, C: " + feeds_found + ", S:" + feeds_stored);
if (feeds_stored != feeds_found) {
number_of_feeds = feeds_found;
if (feeds_stored != 0 && feeds_found != 0) {
console.log("Subscribed feed number changed, refreshing feedlist");
setTimeout('updateFeedList(false, false)', 50);
}
} else {
/* var fl = $("feeds-frame").innerHTML;
if (fl) {
cache_invalidate("FEEDLIST");
cache_inject("FEEDLIST", fl, getInitParam("num_feeds"));
} */
}
} catch (e) {
exception_error("parse_counters", e);
}
}
function parse_counters_reply(transport, scheduled_call) {
if (!transport.responseXML) {
notify_error("Backend did not return valid XML", true);
return;
}
var reply = transport.responseXML.firstChild;
if (!reply) {
notify_error("Backend did not return expected XML object", true);
updateTitle("");
return;
}
if (!transport_error_check(transport)) return;
var counters = reply.getElementsByTagName("counters")[0];
if (counters)
parse_counters(counters, scheduled_call);
var runtime_info = reply.getElementsByTagName("runtime-info")[0];
if (runtime_info)
parse_runtime_info(runtime_info);
if (feedsSortByUnread()) {
resort_feedlist();
}
hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
}
function all_counters_callback2(transport, async_call) {
try {
if (async_call) async_counters_work = true;
if (offline_mode) return;
parse_counters_reply(transport);
} catch (e) {
exception_error("all_counters_callback2", e, transport);
}
}
function get_feed_unread(id) {
try {
return parseInt($("FEEDU-" + id).innerHTML);
} catch (e) {
return -1;
}
}
function get_cat_unread(id) {
try {
var ctr = $("FCATCTR-" + id).innerHTML;
ctr = ctr.replace("(", "");
ctr = ctr.replace(")", "");
return parseInt(ctr);
} catch (e) {
return -1;
}
}
function get_feed_entry_unread(elem) {
var id = elem.id.replace("FEEDR-", "");
if (id <= 0) {
return -1;
}
try {
return parseInt($("FEEDU-" + id).innerHTML);
} catch (e) {
return -1;
}
}
function get_feed_entry_name(elem) {
var id = elem.id.replace("FEEDR-", "");
return getFeedName(id);
}
function resort_category(node, cat_mode) {
try {
console.log("resort_category: " + node + " CM=" + cat_mode);
var by_unread = feedsSortByUnread();
var list = node.getElementsByTagName("LI");
for (i = 0; i < list.length; i++) {
for (j = i+1; j < list.length; j++) {
var tmp_val = get_feed_entry_unread(list[i]);
var cur_val = get_feed_entry_unread(list[j]);
var tmp_name = get_feed_entry_name(list[i]);
var cur_name = get_feed_entry_name(list[j]);
var valid_pair = cat_mode || (list[i].id.match(/FEEDR-[0-9]/) &&
list[j].id.match(/FEEDR-[0-9]/));
if (valid_pair && ((by_unread && (cur_val > tmp_val)) || (!by_unread && (cur_name < tmp_name)))) {
tempnode_i = list[i].cloneNode(true);
tempnode_j = list[j].cloneNode(true);
node.replaceChild(tempnode_i, list[j]);
node.replaceChild(tempnode_j, list[i]);
}
}
}
} catch (e) {
exception_error("resort_category", e);
}
}
function resort_feedlist() {
console.log("resort_feedlist");
if ($("FCATLIST--1")) {
var lists = document.getElementsByTagName("UL");
for (var i = 0; i < lists.length; i++) {
if (lists[i].id && lists[i].id.match("FCATLIST-")) {
resort_category(lists[i], true);
}
}
} else {
resort_category($("feedList"), false);
}
}
/** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
* * @author Sundar Dorai-Raj
* * Email: sdoraira@vt.edu
* * This program is free software; you can redistribute it and/or
* * modify it under the terms of the GNU General Public License
* * as published by the Free Software Foundation; either version 2
* * of the License, or (at your option) any later version,
* * provided that any use properly credits the author.
* * This program is distributed in the hope that it will be useful,
* * but WITHOUT ANY WARRANTY; without even the implied warranty of
* * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* * GNU General Public License for more details at http://www.gnu.org * * */
var numbers=".0123456789";
function isNumeric(x) {
// is x a String or a character?
if(x.length>1) {
// remove negative sign
x=Math.abs(x)+"";
for(j=0;j<x.length;j++) {
// call isNumeric recursively for each character
number=isNumeric(x.substring(j,j+1));
if(!number) return number;
}
return number;
}
else {
// if x is number return true
if(numbers.indexOf(x)>=0) return true;
return false;
}
}
function hideOrShowFeeds(hide) {
try {
console.log("hideOrShowFeeds: " + hide);
if ($("FCATLIST--1")) {
var lists = document.getElementsByTagName("UL");
for (var i = 0; i < lists.length; i++) {
if (lists[i].id && lists[i].id.match("FCATLIST-")) {
var id = lists[i].id.replace("FCATLIST-", "");
hideOrShowFeedsCategory(id, hide);
}
}
} else {
hideOrShowFeedsCategory(null, hide);
}
} catch (e) {
exception_error("hideOrShowFeeds", e);
}
}
function hideOrShowFeedsCategory(id, hide) {
try {
var node = null;
var cat_node = null;
if (id) {
node = $("FCATLIST-" + id);
cat_node = $("FCAT-" + id);
} else {
node = $("feedList"); // no categories
}
// console.log("hideOrShowFeedsCategory: " + node + " (" + hide + ")");
var cat_unread = 0;
if (!node) {
console.log("hideOrShowFeeds: passed node is null, aborting");
return;
}
// console.log("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; }
if (node.childNodes[i].style != undefined) {
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");
// console.log(node.childNodes[i].id + " --> " + has_unread);
if (hide && !has_unread) {
//node.childNodes[i].style.display = "none";
var id = node.childNodes[i].id;
Effect.Fade(node.childNodes[i], {duration : 0.3,
queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
}
if (!hide) {
node.childNodes[i].style.display = "list-item";
//Effect.Appear(node.childNodes[i], {duration : 0.3});
}
if (has_unread) {
node.childNodes[i].style.display = "list-item";
cat_unread++;
//Effect.Appear(node.childNodes[i], {duration : 0.3});
//Effect.Highlight(node.childNodes[i]);
}
}
}
}
// console.log("end cat: " + node.id + " unread " + cat_unread);
if (cat_node) {
if (cat_unread == 0) {
if (cat_node.style == undefined) {
console.log("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 {
try {
cat_node.style.display = "list-item";
} catch (e) {
console.log(e);
}
}
}
// console.log("unread for category: " + cat_unread);
} catch (e) {
exception_error("hideOrShowFeedsCategory", e);
}
}
function selectTableRow(r, do_select) {
r.className = r.className.replace("Selected", "");
if (do_select) {
r.className = r.className + "Selected";
}
}
function selectTableRowById(elem_id, check_id, do_select) {
try {
var row = $(elem_id);
if (row) {
selectTableRow(row, do_select);
}
var check = $(check_id);
if (check) {
check.checked = do_select;
}
} catch (e) {
exception_error("selectTableRowById", e);
}
}
function selectTableRowsByIdPrefix(content_id, prefix, check_prefix, do_select,
classcheck, reset_others) {
var content = $(content_id);
if (!content) {
console.log("[selectTableRows] Element " + content_id + " not found.");
return;
}
for (i = 0; i < content.rows.length; i++) {
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 = $(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 = $(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 = $(check_prefix + row_id);
if (check) {
check.checked = false;
}
}
}
}
}
function getSelectedTableRowIds(content_id, prefix) {
var content = $(content_id);
if (!content) {
console.log("[getSelectedTableRowIds] Element " + content_id + " not found.");
return new Array();
}
var sel_rows = new Array();
for (i = 0; i < content.rows.length; i++) {
if (content.rows[i].id.match(prefix) &&
content.rows[i].className.match("Selected")) {
var row_id = content.rows[i].id.replace(prefix + "-", "");
sel_rows.push(row_id);
}
}
return sel_rows;
}
function toggleSelectRowById(sender, id) {
var row = $(id);
if (sender.checked) {
if (!row.className.match("Selected")) {
row.className = row.className + "Selected";
}
} else {
if (row.className.match("Selected")) {
row.className = row.className.replace("Selected", "");
}
}
}
function toggleSelectListRow(sender) {
var parent_row = sender.parentNode;
if (sender.checked) {
if (!parent_row.className.match("Selected")) {
parent_row.className = parent_row.className + "Selected";
}
} else {
if (parent_row.className.match("Selected")) {
parent_row.className = parent_row.className.replace("Selected", "");
}
}
}
function tSR(sender) {
return toggleSelectRow(sender);
}
function toggleSelectRow(sender) {
var parent_row = sender.parentNode.parentNode;
if (sender.checked) {
if (!parent_row.className.match("Selected")) {
parent_row.className = parent_row.className + "Selected";
}
} else {
if (parent_row.className.match("Selected")) {
parent_row.className = parent_row.className.replace("Selected", "");
}
}
}
function getNextUnreadCat(id) {
try {
var rows = $("feedList").getElementsByTagName("LI");
var feeds = new Array();
var unread_only = true;
var is_cat = true;
for (var i = 0; i < rows.length; i++) {