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tt-rss/functions.js

2251 lines
47 KiB
JavaScript

var hotkeys_enabled = true;
var notify_silent = false;
var last_progress_point = 0;
var async_counters_work = 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);
}
}
function is_opera() {
return window.opera;
}
function exception_error(location, e, ext_info) {
var msg = format_exception_error(location, e);
if (!ext_info) ext_info = "N/A";
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>" +
"<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) {
var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
msg = "Exception: " + e.name + ", " + e.message +
"\nFunction: " + location + "()" +
"\nLocation: " + base_fname + ":" + e.lineNumber;
} else if (e.description) {
msg = "Exception: " + e.description + "\nFunction: " + location + "()";
} else {
msg = "Exception: " + e + "\nFunction: " + location + "()";
}
debug("<b>EXCEPTION: " + msg + "</b>");
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='images/indicator_white.gif'> " + msg;
} else if (n_type == 3) {
n.className = "notifyError";
msg = "<img src='images/sign_excl.gif'> " + msg;
} else if (n_type == 4) {
n.className = "notifyInfo";
msg = "<img src='images/sign_info.gif'> " + 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));
}
debug("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 disableContainerChildren(id, disable, doc) {
if (!doc) doc = document;
var container = $(id);
if (!container) {
//alert("disableContainerChildren: element " + id + " not found");
return;
}
for (var i = 0; i < container.childNodes.length; i++) {
var child = container.childNodes[i];
try {
child.disabled = disable;
} catch (E) {
}
if (disable) {
if (child.className && child.className.match("button")) {
child.className = "disabledButton";
}
} else {
if (child.className && child.className.match("disabledButton")) {
child.className = "button";
}
}
}
}
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 = reply.getElementsByTagName("counter");
for (var l = 0; l < elems.length; l++) {
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");
var xmsg = elems[l].getAttribute("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 (t == "category") {
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_location") + "/" + 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) {
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;
debug("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) {
debug("Subscribed feed number changed, refreshing feedlist");
setTimeout('updateFeedList(false, false)', 50);
}
} else {
/* var fl = $("feeds-frame").innerHTML;
if (fl) {
cache_invalidate("FEEDLIST");
cache_inject("FEEDLIST", fl, getInitParam("num_feeds"));
} */
}
} catch (e) {
exception_error("parse_counters", e);
}
}
function parse_counters_reply(transport, scheduled_call) {
if (!transport.responseXML) {
notify_error("Backend did not return valid XML", true);
return;
}
var reply = transport.responseXML.firstChild;
if (!reply) {
notify_error("Backend did not return expected XML object", true);
updateTitle("");
return;
}
if (!transport_error_check(transport)) return;
var counters = reply.getElementsByTagName("counters")[0];
parse_counters(counters, scheduled_call);
var runtime_info = reply.getElementsByTagName("runtime-info")[0];
parse_runtime_info(runtime_info);
if (feedsSortByUnread()) {
resort_feedlist();
}
hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
}
function all_counters_callback2(transport, async_call) {
try {
if (async_call) async_counters_work = true;
if (offline_mode) return;
debug("<b>all_counters_callback2 IN: " + transport + "</b>");
parse_counters_reply(transport);
debug("<b>all_counters_callback2 OUT: " + transport + "</b>");
} catch (e) {
exception_error("all_counters_callback2", e, transport);
}
}
function get_feed_unread(id) {
try {
return parseInt($("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 {
debug("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() {
debug("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 {
debug("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
}
// debug("hideOrShowFeedsCategory: " + node + " (" + hide + ")");
var cat_unread = 0;
if (!node) {
debug("hideOrShowFeeds: passed node is null, aborting");
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; }
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");
// debug(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]);
}
}
}
}
// debug("end cat: " + node.id + " unread " + cat_unread);
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 {
try {
cat_node.style.display = "list-item";
} catch (e) {
debug(e);
}
}
}
// debug("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) {
alert("[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) {
alert("[getSelectedTableRowIds] Element " + content_id + " not found.");
return;
}
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++) {
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 = $("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();
for (var i = 0; i < rows.length; i++) {
if (rows[i].id.match("FEEDR-")) {
if (rows[i].id == "FEEDR-" + id || (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 (!id) {
if (direction == "next") {
return feeds.shift();
} else {
return feeds.pop();
}
} else {
if (direction == "next") {
var idx = feeds.indexOf(id);
if (idx != -1 && idx < feeds.length) {
return feeds[idx+1];
} else {
return getRelativeFeedId(list, false, direction, unread_only);
}
} else {
var idx = feeds.indexOf(id);
if (idx > 0) {
return feeds[idx-1];
} else {
return getRelativeFeedId(list, false, direction, unread_only);
}
}
}
}
function showBlockElement(id, h_id) {
var elem = $(id);
if (elem) {
elem.style.display = "block";
if (h_id) {
elem = $(h_id);
if (elem) {
elem.style.display = "none";
}
}
} else {
alert("[showBlockElement] can't find element with id " + id);
}
}
function appearBlockElement_afh(effect) {
}
function checkboxToggleElement(elem, id) {
if (elem.checked) {
Effect.Appear(id, {duration : 0.5});
} else {
Effect.Fade(id, {duration : 0.5});
}
}
function appearBlockElement(id, h_id) {
try {
if (h_id) {
Effect.Fade(h_id);
}
Effect.SlideDown(id, {duration : 1.0, afterFinish: appearBlockElement_afh});
} catch (e) {
exception_error("appearBlockElement", e);
}
}
function hideParentElement(e) {
e.parentNode.style.display = "none";
}
function dropboxSelect(e, v) {
for (i = 0; i < e.length; i++) {
if (e[i].value == v) {
e.selectedIndex = i;
break;
}
}
}
// originally stolen from http://www.11tmr.com/11tmr.nsf/d6plinks/MWHE-695L9Z
// bugfixed just a little bit :-)
function getURLParam(strParamName){
var strReturn = "";
var strHref = window.location.href;
if (strHref.indexOf("#") == strHref.length-1) {
strHref = strHref.substring(0, strHref.length-1);
}
if ( strHref.indexOf("?") > -1 ){
var strQueryString = strHref.substr(strHref.indexOf("?"));
var aQueryString = strQueryString.split("&");
for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
if (aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
var aParam = aQueryString[iParam].split("=");
strReturn = aParam[1];
break;
}
}
}
return strReturn;
}
function leading_zero(p) {
var s = String(p);
if (s.length == 1) s = "0" + s;
return s;
}
function closeErrorBox() {
if (Element.visible("errorBoxShadow")) {
Element.hide("dialog_overlay");
Element.hide("errorBoxShadow");
enableHotkeys();
}
return false;
}
function closeInfoBox(cleanup) {
try {
enableHotkeys();
if (Element.visible("infoBoxShadow")) {
Element.hide("dialog_overlay");
Element.hide("infoBoxShadow");
if (cleanup) $("infoBoxShadow").innerHTML = "&nbsp;";
}
} catch (e) {
exception_error("closeInfoBox", e);
}
return false;
}
function displayDlg(id, param, callback) {
notify_progress("Loading, please wait...", true);
disableHotkeys();
var query = "?op=dlg&id=" +
param_escape(id) + "&param=" + param_escape(param);
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function (transport) {
infobox_callback2(transport);
if (callback) callback(transport);
} });
return false;
}
function infobox_submit_callback2(transport) {
closeInfoBox();
try {
// called from prefs, reload tab
if (typeof active_tab != 'undefined' && active_tab) {
selectTab(active_tab, false);
}
} catch (e) { }
if (transport.responseText) {
notify_info(transport.responseText);
}
}
function infobox_callback2(transport) {
try {
debug("infobox_callback2");
var box = $('infoBox');
if (box) {
if (!getInitParam("infobox_disable_overlay")) {
Element.show("dialog_overlay");
}
box.innerHTML=transport.responseText;
Element.show("infoBoxShadow");
//Effect.SlideDown("infoBoxShadow", {duration : 1.0});
}
disableHotkeys();
notify("");
} catch (e) {
exception_error("infobox_callback2", e);
}
}
function createFilter() {
try {
var form = document.forms['filter_add_form'];
var reg_exp = form.reg_exp.value;
if (reg_exp == "") {
alert(__("Can't add filter: nothing to match on."));
return false;
}
var query = Form.serialize("filter_add_form");
// we can be called from some other tab in Prefs
if (typeof active_tab != 'undefined' && active_tab) {
active_tab = "filterConfig";
}
new Ajax.Request("backend.php?" + query, {
onComplete: function (transport) {
infobox_submit_callback2(transport);
} });
return true;
} catch (e) {
exception_error("createFilter", e);
}
}
function isValidURL(s) {
return s.match("http://") != null || s.match("https://") != null || s.match("feed://") != null;
}
function subscribeToFeed() {
try {
var form = document.forms['feed_add_form'];
var feed_url = form.feed_url.value;
if (feed_url == "") {
alert(__("Can't subscribe: no feed URL given."));
return false;
}
notify_progress(__("Subscribing to feed..."), true);
var query = Form.serialize("feed_add_form");
debug("subscribe q: " + query);
Form.disable("feed_add_form");
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
//dlg_frefresh_callback(transport);
notify('');
var result = transport.responseXML.getElementsByTagName('result')[0];
var rc = parseInt(result.getAttribute('code'));
Form.enable("feed_add_form");
switch (rc) {
case 1:
closeInfoBox();
notify_info(__("Subscribed to %s").replace("%s", feed_url));
if (inPreferences()) {
updateFeedList();
} else {
setTimeout('updateFeedList(false, false)', 50);
}
break;
case 2:
alert(__("Can't subscribe to the specified URL."));
break;
case 0:
alert(__("You are already subscribed to this feed."));
break;
}
} });
} catch (e) {
exception_error("subscribeToFeed", e);
}
return false;
}
function filterCR(e, f)
{
var key;
if(window.event)
key = window.event.keyCode; //IE
else
key = e.which; //firefox
if (key == 13) {
if (typeof f != 'undefined') {
f();
return false;
} else {
return false;
}
} else {
return true;
}
}
var debug_last_class = "even";
function debug(msg) {
if (debug_last_class == "even") {
debug_last_class = "odd";
} else {
debug_last_class = "even";
}
var c = $('debug_output');
if (c && Element.visible(c)) {
while (c.lastChild != 'undefined' && c.childNodes.length > 100) {
c.removeChild(c.lastChild);
}
var d = new Date();
var ts = leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
":" + leading_zero(d.getSeconds());
c.innerHTML = "<li class=\"" + debug_last_class + "\"><span class=\"debugTS\">[" + ts + "]</span> " +
msg + "</li>" + c.innerHTML;
}
}
function getInitParam(key) {
return init_params[key];
}
function setInitParam(key, value) {
init_params[key] = value;
}
function fatalError(code, msg, ext_info) {
try {
if (!ext_info) ext_info = "N/A";
if (code == 6) {
window.location.href = "tt-rss.php";
} else if (code == 5) {
window.location.href = "update.php";
} else {
if (msg == "") msg = "Unknown error";
var ebc = $("xebContent");
if (ebc) {
Element.show("dialog_overlay");
Element.show("errorBoxShadow");
Element.hide("xebBtn");
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>";
}
}
} catch (e) {
exception_error("fatalError", e);
}
}
function getFeedName(id, is_cat) {
var e;
if (is_cat) {
e = $("FCATN-" + id);
} else {
e = $("FEEDN-" + id);
}
if (e) {
return e.innerHTML.stripTags();
} else {
return null;
}
}
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 {
var action = sender[sender.selectedIndex].value;
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 action_param = $("filter_dlg_param_box");
if (!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 == 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 {
Element.hide(action_param);
}
} catch (e) {
exception_error("filterDlgCheckAction", e);
}
}
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 = "?op=rpc&subop=checkDate&date=" + reg_exp;
new Ajax.Request("backend.php", {
parameters: 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);
}
// this only searches loaded headlines list, not in CDM
function getRelativePostIds(id, limit) {
if (!limit) limit = 3;
debug("getRelativePostIds: " + id + " limit=" + limit);
var ids = new Array();
var container = $("headlinesList");
if (container) {
var rows = container.rows;
for (var i = 0; i < rows.length; i++) {
var r_id = rows[i].id.replace("RROW-", "");
if (r_id == id) {
for (var k = 1; k <= limit; k++) {
var nid = false;
if (i > k-1) var nid = rows[i-k].id.replace("RROW-", "");
if (nid) ids.push(nid);
if (i < rows.length-k) nid = rows[i+k].id.replace("RROW-", "");
if (nid) ids.push(nid);
}
return ids;
}
}
}
return false;
}
function openArticleInNewWindow(id) {
try {
debug("openArticleInNewWindow: " + id);
var query = "?op=rpc&subop=getArticleLink&id=" + id;
var wname = "ttrss_article_" + id;
debug(query + " " + wname);
var w = window.open("", wname);
if (!w) notify_error("Failed to open window for the article");
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
var link = transport.responseXML.getElementsByTagName("link")[0];
var id = transport.responseXML.getElementsByTagName("id")[0];
debug("open_article received link: " + link);
if (link && id) {
var wname = "ttrss_article_" + id.firstChild.nodeValue;
debug("link url: " + link.firstChild.nodeValue + ", wname " + wname);
var w = window.open(link.firstChild.nodeValue, wname);
if (!w) { notify_error("Failed to load article in new window"); }
if (id) {
id = id.firstChild.nodeValue;
if (!$("headlinesList")) {
window.setTimeout("toggleUnread(" + id + ", 0)", 100);
}
}
} else {
notify_error("Can't open article: received invalid article link");
}
} });
} 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 isCdmMode() {
return !$("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 = $("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");
}
function focus_element(id) {
try {
var e = $(id);
if (e) e.focus();
} catch (e) {
exception_error("focus_element", e);
}
return false;
}
function loading_set_progress(p) {
try {
if (p < last_progress_point || !Element.visible("overlay")) return;
debug("<b>loading_set_progress : " + p + " (" + last_progress_point + ")</b>");
var o = $("l_progress_i");
// o.style.width = (p * 2) + "px";
new Effect.Scale(o, p, {
scaleY : false,
scaleFrom : last_progress_point,
scaleMode: { originalWidth : 200 },
queue: { position: 'end', scope: 'LSP-Q', limit: 3 } });
last_progress_point = p;
} catch (e) {
exception_error("loading_set_progress", e);
}
}
function remove_splash() {
if (Element.visible("overlay")) {
debug("about to remove splash, OMG!");
Element.hide("overlay");
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 = $("browseFeedList");
if (!list) list = $("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 = $("FBCHK-" + id);
if (cb.checked) {
selected.push(id);
}
}
}
return selected;
}
function updateFeedBrowser() {
try {
var query = Form.serialize("feed_browser");
Element.show('feed_browser_spinner');
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
notify('');
Element.hide('feed_browser_spinner');
var c = $("browseFeedList");
var r = transport.responseXML.getElementsByTagName("content")[0];
var nr = transport.responseXML.getElementsByTagName("num-results")[0];
var mode = transport.responseXML.getElementsByTagName("mode")[0];
if (c && r) {
c.innerHTML = r.firstChild.nodeValue;
}
if (parseInt(mode.getAttribute("value")) == 2) {
Element.show('feed_archive_remove');
} else {
Element.hide('feed_archive_remove');
}
} });
} catch (e) {
exception_error("updateFeedBrowser", e);
}
}
function browseFeeds(limit) {
try {
/* var query = "?op=ialog&subop=browse";
notify_progress("Loading, please wait...", true);
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
infobox_callback2(transport);
} }); */
displayDlg('feedBrowser');
return false;
} catch (e) {
exception_error("browseFeeds", e);
}
}
function transport_error_check(transport) {
try {
if (transport.responseXML) {
var error = transport.responseXML.getElementsByTagName("error")[0];
if (error) {
var code = error.getAttribute("error-code");
var msg = error.getAttribute("error-msg");
if (code != 0) {
fatalError(code, msg);
return false;
}
}
}
} catch (e) {
exception_error("check_for_error_xml", e);
}
return true;
}
function strip_tags(s) {
return s.replace(/<\/?[^>]+(>|$)/g, "");
}
function truncate_string(s, length) {
if (!length) length = 30;
var tmp = s.substring(0, length);
if (s.length > length) tmp += "&hellip;";
return tmp;
}
/*
function switchToFlash(e) {
try {
var targ = e;
if (!e) var e = window.event;
if (e.target) targ = e.target;
else if (e.srcElement) targ = e.srcElement;
if (targ.nodeType == 3) // defeat Safari bug
targ = targ.parentNode;
//targ is the link that was clicked
var audioTag=targ;
do {
audioTag=audioTag.previousSibling;
} while(audioTag && audioTag.nodeType != 1)
var flashPlayer = audioTag.getElementsByTagName('span')[0];
targ.parentNode.insertBefore(flashPlayer,targ);
targ.parentNode.removeChild(targ);
audioTag.parentNode.removeChild(audioTag);
return false;
} catch (e) {
exception_error("switchToFlash", e);
}
}
function html5AudioOrFlash(type) {
var audioTag = document.createElement('audio');
if(! audioTag.canPlayType || audioTag.canPlayType(type) == "no" ||
audioTag.canPlayType(type) == ""){
if($('switchToFlashLink')){
switchToFlash($('switchToFlashLink'));
}
}
} */
function hotkey_prefix_timeout() {
try {
var date = new Date();
var ts = Math.round(date.getTime() / 1000);
if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
debug("hotkey_prefix seems to be stuck, aborting");
hotkey_prefix_pressed = false;
hotkey_prefix = false;
Element.hide('cmdline');
}
setTimeout("hotkey_prefix_timeout()", 1000);
} catch (e) {
exception_error("hotkey_prefix_timeout", e);
}
}
function hideAuxDlg() {
try {
Element.hide('auxDlg');
} catch (e) {
exception_error("hideAuxDlg", e);
}
}
function displayNewContentPrompt(id) {
try {
var msg = "<a href='#' onclick='viewfeed("+id+")'>" +
__("New articles available (Click to show)") + "</a>";
msg = msg.replace("%s", getFeedName(id));
$('auxDlg').innerHTML = msg;
Element.show('auxDlg');
} catch (e) {
exception_error("displayNewContentPrompt", e);
}
}
function feedBrowserSubscribe() {
try {
var selected = getSelectedFeedsFromBrowser();
var mode = document.forms['feed_browser'].mode;
mode = mode[mode.selectedIndex].value;
if (selected.length > 0) {
closeInfoBox();
notify_progress("Loading, please wait...", true);
var query = "?op=rpc&subop=massSubscribe&ids="+
param_escape(selected.toString()) + "&mode=" + param_escape(mode);
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
var nf = transport.responseXML.getElementsByTagName('num-feeds')[0];
var nf_value = nf.getAttribute("value");
notify_info(__("Subscribed to %d feed(s).").replace("%d", nf_value));
if (inPreferences()) {
updateFeedList();
} else {
setTimeout('updateFeedList(false, false)', 50);
}
} });
} else {
alert(__("No feeds are selected."));
}
} catch (e) {
exception_error("feedBrowserSubscribe", e);
}
}
function feedArchiveRemove() {
try {
var selected = getSelectedFeedsFromBrowser();
if (selected.length > 0) {
var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
if (confirm(pr)) {
Element.show('feed_browser_spinner');
var query = "?op=rpc&subop=remarchived&ids=" +
param_escape(selected.toString());;
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
updateFeedBrowser();
} });
}
} else {
alert(__("No feeds are selected."));
}
} catch (e) {
exception_error("feedArchiveRemove", e);
}
}