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tt-rss/functions.js

1894 lines
41 KiB
JavaScript

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 */
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, silent) {
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>");
if (!silent) {
alert(msg);
}
}
function disableHotkeys() {
hotkeys_enabled = false;
}
function enableHotkeys() {
hotkeys_enabled = true;
}
function xmlhttp_ready(obj) {
return obj.readyState == 4 || obj.readyState == 0 || !obj.readyState;
}
function open_article_callback(transport) {
try {
if (transport.responseXML) {
var link = transport.responseXML.getElementsByTagName("link")[0];
var id = transport.responseXML.getElementsByTagName("id")[0];
debug("open_article_callback, 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 (!document.getElementById("headlinesList")) {
window.setTimeout("toggleUnread(" + id + ", 0)", 100);
}
}
} else {
notify_error("Can't open article: received invalid article link");
}
} else {
notify_error("Can't open article: received invalid XML");
}
} catch (e) {
exception_error("open_article_callback", e);
}
}
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 = document.getElementById("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 = document.getElementById("notify");
var nb = document.getElementById("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 = document.getElementById(element);
for (i = 0; i < content.rows.length; i++) {
content.rows[i].className = content.rows[i].className.replace("Selected", "");
}
}
function getVisibleUnreadHeadlines() {
var content = document.getElementById("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 = document.getElementById("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 = document.getElementById("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 = document.getElementById("RCHK-" + id);
if (check) {
check.checked = true;
}
row.className = row.className + "Selected";
}
}
function getFeedIds() {
var content = document.getElementById("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 = doc.getElementById(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 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 {
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") {
global_unread = ctr;
updateTitle();
continue;
}
if (id == "subscribed-feeds") {
feeds_found = ctr;
continue;
}
if (t == "category") {
var catctr = document.getElementById("FCATCTR-" + id);
if (catctr) {
catctr.innerHTML = "(" + ctr + ")";
if (ctr > 0) {
catctr.className = "catCtrHasUnread";
} else {
catctr.className = "catCtrNoUnread";
}
}
continue;
}
var feedctr = document.getElementById("FEEDCTR-" + id);
var feedu = document.getElementById("FEEDU-" + id);
var feedr = document.getElementById("FEEDR-" + id);
var feed_img = document.getElementById("FIMG-" + id);
var feedlink = document.getElementById("FEEDL-" + id);
var feedupd = document.getElementById("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 (feedu.innerHTML != ctr && id == getActiveFeedId() && scheduled_call) {
viewCurrentFeed();
}
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 } } );
}
} 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);
}
}
} 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;
}
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);
}
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;
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);
}
}
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) {
exception_error("get_feed_unread", e, true);
return -1;
}
}
function get_feed_entry_unread(elem) {
var id = elem.id.replace("FEEDR-", "");
if (id <= 0) {
return -1;
}
try {
return parseInt(document.getElementById("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) {
try {
debug("resort_category: " + node);
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]);
if ((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 (document.getElementById("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]);
}
}
} else {
resort_category(document.getElementById("feedList"));
}
}
/** * @(#)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 (document.getElementById("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 = document.getElementById("FCATLIST-" + id);
cat_node = document.getElementById("FCAT-" + id);
} else {
node = document.getElementById("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_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 = document.getElementById(elem_id);
if (row) {
selectTableRow(row, do_select);
}
var check = document.getElementById(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 = document.getElementById(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 = document.getElementById(check_prefix + row_id);
if (check) {
check.checked = do_select;
}
} else if (reset_others) {
selectTableRow(content.rows[i], false);
var row_id = content.rows[i].id.replace(prefix, "");
var check = document.getElementById(check_prefix + row_id);
if (check) {
check.checked = false;
}
}
} else if (reset_others) {
selectTableRow(content.rows[i], false);
var row_id = content.rows[i].id.replace(prefix, "");
var check = document.getElementById(check_prefix + row_id);
if (check) {
check.checked = false;
}
}
}
}
}
function getSelectedTableRowIds(content_id, prefix) {
var content = document.getElementById(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 = document.getElementById(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 = 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();
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 = document.getElementById(id);
if (elem) {
elem.style.display = "block";
if (h_id) {
elem = document.getElementById(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 closeInfoBox(cleanup) {
Element.hide("dialog_overlay");
var box = document.getElementById('infoBox');
var shadow = document.getElementById('infoBoxShadow');
if (shadow) {
shadow.style.display = "none";
} else if (box) {
box.style.display = "none";
}
if (cleanup) box.innerHTML = "&nbsp;";
enableHotkeys();
return false;
}
function displayDlg(id, param) {
notify_progress("Loading, please wait...", true);
disableHotkeys();
var query = "backend.php?op=dlg&id=" +
param_escape(id) + "&param=" + param_escape(param);
new Ajax.Request(query, {
onComplete: function (transport) {
infobox_callback2(transport);
} });
return false;
}
function infobox_submit_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");
if (!getInitParam("infobox_disable_overlay")) {
Element.show("dialog_overlay");
}
var box = document.getElementById('infoBox');
var shadow = document.getElementById('infoBoxShadow');
if (box) {
box.innerHTML=transport.responseText;
if (shadow) {
shadow.style.display = "block";
} else {
box.style.display = "block";
}
}
/* FIXME this needs to be moved out somewhere */
if (document.getElementById("tags_choices")) {
new Ajax.Autocompleter('tags_str', 'tags_choices',
"backend.php?op=rpc&subop=completeTags",
{ tokens: ',', paramName: "search" });
}
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 toggleSubmitNotEmpty(e, submit_id) {
try {
document.getElementById(submit_id).disabled = (e.value == "")
} catch (e) {
exception_error("toggleSubmitNotEmpty", e);
}
}
function isValidURL(s) {
return s.match("http://") != null || s.match("https://") != null || s.match("feed://") != null;
}
function subscribeToFeed() {
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);
closeInfoBox();
var feeds_doc = document;
// feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
var query = Form.serialize("feed_add_form");
debug("subscribe q: " + query);
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
dlg_frefresh_callback(transport);
} });
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 = document.getElementById('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 storeInitParam(key, value) {
debug("<b>storeInitParam is OBSOLETE: " + key + " => " + value + "</b>");
init_params[key] = value;
}
function fatalError(code, message) {
try {
if (code == 6) {
window.location.href = "tt-rss.php";
} 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";
fc.innerHTML = "<img src='images/sign_excl.gif'> " + message + " (Code " + code + ")";
fe.style.display = "block";
}
} catch (e) {
exception_error("fatalError", e);
}
}
function getFeedName(id, is_cat) {
var e;
if (is_cat) {
e = document.getElementById("FCATN-" + id);
} else {
e = document.getElementById("FEEDN-" + id);
}
if (e) {
return e.innerHTML.stripTags();
} else {
return null;
}
}
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 = document.getElementById("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) {
Element.show(action_param);
} else {
Element.hide(action_param);
}
} catch (e) {
exception_error("filterDlgCheckAction", 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 = document.getElementById("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 = "backend.php?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(query, {
onComplete: function(transport) {
open_article_callback(transport);
} });
} catch (e) {
exception_error("openArticleInNewWindow", e);
}
}
/* http://textsnippets.com/posts/show/835 */
Position.GetWindowSize = function(w) {
w = w ? w : window;
var width = w.innerWidth || (w.document.documentElement.clientWidth || w.document.body.clientWidth);
var height = w.innerHeight || (w.document.documentElement.clientHeight || w.document.body.clientHeight);
return [width, height]
}
/* http://textsnippets.com/posts/show/836 */
Position.Center = function(element, parent) {
var w, h, pw, ph;
var d = Element.getDimensions(element);
w = d.width;
h = d.height;
Position.prepare();
if (!parent) {
var ws = Position.GetWindowSize();
pw = ws[0];
ph = ws[1];
} else {
pw = parent.offsetWidth;
ph = parent.offsetHeight;
}
element.style.top = (ph/2) - (h/2) - Position.deltaY + "px";
element.style.left = (pw/2) - (w/2) - Position.deltaX + "px";
}
function labeltest_callback(transport) {
try {
var container = document.getElementById('label_test_result');
container.innerHTML = transport.responseText;
if (!Element.visible(container)) {
Effect.SlideDown(container, { duration : 0.5 });
}
notify("");
} catch (e) {
exception_error("labeltest_callback", e);
}
}
function labelTest() {
try {
var container = document.getElementById('label_test_result');
var form = document.forms['label_edit_form'];
var sql_exp = form.sql_exp.value;
var description = form.description.value;
notify_progress("Loading, please wait...");
var query = "backend.php?op=pref-labels&subop=test&expr=" +
param_escape(sql_exp) + "&descr=" + param_escape(description);
new Ajax.Request(query, {
onComplete: function (transport) {
labeltest_callback(transport);
} });
return false;
} catch (e) {
exception_error("labelTest", e);
}
}
function isCdmMode() {
return !document.getElementById("headlinesList");
}
function getSelectedArticleIds2() {
var rows = new Array();
var cdm_mode = isCdmMode();
if (cdm_mode) {
rows = cdmGetSelectedArticles();
} else {
rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
}
var ids = new Array();
for (var i = 0; i < rows.length; i++) {
var chk = document.getElementById("RCHK-" + rows[i]);
if (chk && chk.checked) {
ids.push(rows[i]);
}
}
return ids;
}
function displayHelpInfobox(topic_id) {
var url = "backend.php?op=help&tid=" + param_escape(topic_id);
var w = window.open(url, "ttrss_help",
"status=0,toolbar=0,location=0,width=450,height=500,scrollbars=1,menubar=0");
return false;
}
function focus_element(id) {
try {
var e = document.getElementById(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 = document.getElementById("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);
}
}