tt-rss/feedlist.js
2010-11-12 15:14:47 +03:00

1214 lines
26 KiB
JavaScript

var _feed_cur_page = 0;
var _infscroll_disable = 0;
var _infscroll_request_sent = 0;
var feed_under_pointer = undefined;
var mouse_is_down = false;
var mouse_y = 0;
var mouse_x = 0;
var counter_timeout_id = false;
var resize_enabled = false;
var selection_disabled = false;
var counters_last_request = 0;
var feeds_sort_by_unread = false;
var feedlist_sortable_enabled = false;
function toggle_sortable_feedlist(enabled) {
try {
if (enabled) {
Sortable.create('feedList', {onChange: feedlist_dragsorted, only: "feedCat"});
} else {
Sortable.destroy('feedList');
}
} catch (e) {
exception_error("toggle_sortable_feedlist", e);
}
}
function viewCategory(cat) {
viewfeed(cat, '', true);
return false;
}
function render_feedlist(data) {
try {
var f = $("feeds-frame");
f.innerHTML = data;
// cache_invalidate("FEEDLIST");
// cache_inject("FEEDLIST", data, getInitParam("num_feeds"));
feedlist_init();
} catch (e) {
exception_error("render_feedlist", e);
}
}
function viewNextFeedPage() {
try {
//if (!getActiveFeedId()) return;
console.log("viewNextFeedPage: calling viewfeed(), p: " + parseInt(_feed_cur_page+1));
viewfeed(getActiveFeedId(), undefined, activeFeedIsCat(), undefined,
undefined, parseInt(_feed_cur_page+1));
} catch (e) {
exception_error("viewNextFeedPage", e);
}
}
function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
try {
if (is_cat == undefined) is_cat = false;
if (offline_mode) return viewfeed_offline(feed, subop, is_cat, subop_param,
skip_history, offset);
// if (!offset) page_offset = 0;
last_requested_article = 0;
//counters_last_request = 0;
if (feed == getActiveFeedId()) {
cache_invalidate("F:" + feed);
}
/* if (getInitParam("theme") == "" || getInitParam("theme") == "compact") {
if (getInitParam("hide_feedlist") == 1) {
Element.hide("feeds-holder");
}
} */
var force_nocache = false;
var page_offset = 0;
if (offset > 0) {
page_offset = offset;
} else {
page_offset = 0;
_feed_cur_page = 0;
_infscroll_disable = 0;
}
if (getActiveFeedId() != feed) {
_feed_cur_page = 0;
active_post_id = 0;
_infscroll_disable = 0;
}
if (page_offset != 0 && !subop) {
var date = new Date();
var timestamp = Math.round(date.getTime() / 1000);
console.log(_infscroll_request_sent + " : " + timestamp);
if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
console.log("infscroll request in progress, aborting");
return;
}
_infscroll_request_sent = timestamp;
}
enableHotkeys();
hideAuxDlg();
closeInfoBox();
Form.enable("main_toolbar_form");
var toolbar_form = document.forms["main_toolbar_form"];
var toolbar_query = Form.serialize("main_toolbar_form");
if (toolbar_form.query) {
if (toolbar_form.query.value != "") {
force_nocache = true;
}
toolbar_form.query.value = "";
}
var query = "?op=viewfeed&feed=" + feed + "&" +
toolbar_query + "&subop=" + param_escape(subop);
if ($("search_form")) {
var search_query = Form.serialize("search_form");
query = query + "&" + search_query;
$("search_form").query.value = "";
closeInfoBox(true);
force_nocache = true;
}
// console.log("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
if (subop == "MarkAllRead") {
catchup_local_feed(feed, is_cat);
var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
if (show_next_feed) {
if (!activeFeedIsCat()) {
var feedlist = $('feedList');
var next_unread_feed = getRelativeFeedId2(feed, false,
"next", true);
/* gRFI2 also returns categories which we don't really
* need here, so we skip them */
while (next_unread_feed && next_unread_feed.match("CAT:"))
next_unread_feed = getRelativeFeedId2(
next_unread_feed.replace("CAT:", ""),
true, "next", true);
if (!next_unread_feed) {
next_unread_feed = getRelativeFeedId2(-3, true,
"next", true);
}
if (next_unread_feed) {
query = query + "&nuf=" + param_escape(next_unread_feed);
//setActiveFeedId(next_unread_feed);
feed = next_unread_feed;
}
} else {
var next_unread_feed = getNextUnreadCat(feed);
/* we don't need to specify that our next feed is actually
a category, because we're in the is_cat mode by definition
already */
if (next_unread_feed && show_next_feed) {
query = query + "&nuf=" + param_escape(next_unread_feed);
feed = next_unread_feed;
}
}
}
}
if (is_cat) {
query = query + "&cat=1";
}
if (page_offset != 0) {
query = query + "&skip=" + page_offset;
// to prevent duplicate feed titles when showing grouped vfeeds
if (vgroup_last_feed) {
query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
}
}
Form.enable("main_toolbar_form");
// for piggybacked counters
if (tagsAreDisplayed()) {
query = query + "&omode=lt";
} else {
query = query + "&omode=flc";
}
console.log(query);
var container = $("headlinesInnerContainer");
/* if (container && page_offset == 0 && !isCdmMode()) {
new Effect.Fade(container, {duration: 1, to: 0.01,
queue: { position:'end', scope: 'FEEDL-' + feed, limit: 1 } } );
} */
var unread_ctr = -1;
if (!is_cat) unread_ctr = get_feed_unread(feed);
var cache_check = false;
if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
var cache_prefix = "";
if (is_cat) {
cache_prefix = "C:";
} else {
cache_prefix = "F:";
}
cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
console.log("headline cache check: " + cache_check);
}
if (cache_check) {
var f = $("headlines-frame");
clean_feed_selections();
setActiveFeedId(feed, is_cat);
if (!is_cat) {
var feedr = $("FEEDR-" + feed);
if (feedr && !feedr.className.match("Selected")) {
feedr.className = feedr.className + "Selected";
}
} else {
var feedr = $("FCAT-" + feed_id);
if (feedr && !feedr.className.match("Selected")) {
feedr.className = feedr.className + "Selected";
}
}
f.innerHTML = cache_find_param(cache_prefix + feed, unread_ctr);
request_counters();
remove_splash();
} else {
if (!page_offset) {
var feedr;
if (is_cat) {
feedr = $('FCAP-' + feed);
} else {
feedr = $('FEEDR-' + feed);
}
if (feedr && !$('FLL-' + feed)) {
var img = $('FIMG-' + feed);
if (!is_cat && img) {
var cat_list = feedr.parentNode;
if (!cat_list || Element.visible(cat_list)) {
if (!img.src.match("indicator_white")) {
img.alt = img.src;
img.src = getInitParam("sign_progress");
}
} else if (cat_list) {
feed_cat_id = cat_list.id.replace("FCATLIST-", "");
if (!$('FLL-' + feed_cat_id)) {
var ll = document.createElement('img');
ll.src = getInitParam("sign_progress_tiny");
ll.className = 'hlLoading';
ll.id = 'FLL-' + feed;
$("FCAP-" + feed_cat_id).appendChild(ll);
}
}
} else {
if (!$('FLL-' + feed)) {
var ll = document.createElement('img');
ll.src = getInitParam("sign_progress_tiny");
ll.className = 'hlLoading';
ll.id = 'FLL-' + feed;
feedr.appendChild(ll);
}
}
}
}
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
headlines_callback2(transport, page_offset);
} });
}
} catch (e) {
exception_error("viewfeed", e);
}
}
function toggleCollapseCat_af(effect) {
//var caption = elem.id.replace("FCATLIST-", "");
try {
var elem = effect.element;
var cat = elem.id.replace("FCATLIST-", "");
var cap = $("FCAP-" + cat);
if (Element.visible(elem)) {
cap.innerHTML = cap.innerHTML.replace("…", "");
} else {
if (cap.innerHTML.lastIndexOf("…") != cap.innerHTML.length-3) {
cap.innerHTML = cap.innerHTML + "…";
}
}
} catch (e) {
exception_error("toggleCollapseCat_af", e);
}
}
function toggleCollapseCat(cat) {
try {
var cat_elem = $("FCAT-" + cat);
var cat_list = $("FCATLIST-" + cat).parentNode;
var caption = $("FCAP-" + cat);
Effect.toggle('FCATLIST-' + cat, 'blind', { duration: 0.5,
afterFinish: toggleCollapseCat_af });
var img = cat_elem.getElementsByTagName("IMG")[0];
if (img.src.match("-collapse"))
img.src = img.src.replace("-collapse", "-uncollapse")
else
img.src = img.src.replace("-uncollapse", "-collapse")
new Ajax.Request("backend.php",
{ parameters: "backend.php?op=feeds&subop=collapse&cid=" +
param_escape(cat) } );
local_collapse_cat(cat);
} catch (e) {
exception_error("toggleCollapseCat", e);
}
}
function isCatCollapsed(cat) {
try {
return Element.visible("FCATLIST-" + cat);
} catch (e) {
exception_error("isCatCollapsed", e);
}
}
function feedlist_dragsorted(ctr) {
try {
var elem = $("feedList");
var cats = elem.getElementsByTagName("LI");
var ordered_cats = new Array();
for (var i = 0; i < cats.length; i++) {
if (cats[i].id && cats[i].id.match("FCAT-")) {
ordered_cats.push(cats[i].id.replace("FCAT-", ""));
}
}
if (ordered_cats.length > 0) {
var query = "?op=feeds&subop=catsort&corder=" +
param_escape(ordered_cats.toString());
//console.log(query);
new Ajax.Request("backend.php", { parameters: query });
}
} catch (e) {
exception_error("feedlist_dragsorted", e);
}
}
function feedlist_init() {
try {
loading_set_progress(90);
//console.log("in feedlist init");
hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
document.onkeydown = hotkey_handler;
document.onmousemove = mouse_move_handler;
document.onmousedown = mouse_down_handler;
document.onmouseup = mouse_up_handler;
if (!offline_mode) setTimeout("timeout()", 1);
setTimeout("hotkey_prefix_timeout()", 5*1000);
if (getActiveFeedId()) {
//console.log("some feed is open on feedlist refresh, reloading");
//setTimeout("viewCurrentFeed()", 100);
} else {
if (getInitParam("cdm_auto_catchup") != 1 && get_feed_unread(-3) > 0) {
notify_silent_next();
setTimeout("viewfeed(-3)", 100);
} else {
setTimeout("viewfeed(-5)", 100);
remove_splash();
}
}
if (getInitParam("theme") == "" ||
getInitParam("theme_options").match("hide_footer")) {
setTimeout("hide_footer()", 5000);
}
init_collapsable_feedlist(getInitParam("theme"));
toggle_sortable_feedlist(isFeedlistSortable());
} catch (e) {
exception_error("feedlist/init", e);
}
}
function hide_footer_af(effect) {
try {
var c = $("content-frame");
if (c) {
c.style.bottom = "0px";
var ioa = $("inline_orig_article");
if (ioa) {
ioa.height = c.offsetHeight;
}
} else {
var h = $("headlines-frame");
if (h) {
h.style.bottom = "0px";
}
}
} catch (e) {
exception_error("hide_footer_af", e);
}
}
function hide_footer() {
try {
if (Element.visible("footer")) {
new Effect.Fade("footer", { afterFinish: hide_footer_af });
}
} catch (e) {
exception_error("hide_footer", e);
}
}
function init_collapsable_feedlist() {
try {
//console.log("init_collapsable_feedlist");
var theme = getInitParam("theme");
var options = getInitParam("theme_options");
if (theme != "" && !options.match("collapse_feedlist")) return;
var fbtn = $("collapse_feeds_btn");
if (fbtn) Element.show(fbtn);
if (getInitParam("collapsed_feedlist") == 1) {
collapse_feedlist();
}
} catch (e) {
exception_error("init_hidden_feedlist", e);
}
}
function mouse_move_handler(e) {
try {
var client_y;
var client_x;
if (window.event) {
client_y = window.event.clientY;
client_x = window.event.clientX;
} else if (e) {
client_x = e.screenX;
client_y = e.screenY;
}
if (mouse_is_down) {
if (mouse_y == 0) mouse_y = client_y;
if (mouse_x == 0) mouse_x = client_x;
resize_headlines(mouse_x - client_x, mouse_y - client_y);
mouse_y = client_y;
mouse_x = client_x;
return false;
}
} catch (e) {
exception_error("mouse_move_handler", e);
}
}
function enable_selection(b) {
selection_disabled = !b;
}
function enable_resize(b) {
resize_enabled = b;
}
function mouse_down_handler(e) {
try {
/* do not prevent right click */
if (e && e.button && e.button == 2) return;
if (resize_enabled) {
mouse_is_down = true;
mouse_x = 0;
mouse_y = 0;
document.onselectstart = function() { return false; };
return false;
}
if (selection_disabled) {
document.onselectstart = function() { return false; };
return false;
}
} catch (e) {
exception_error("mouse_down_handler", e);
}
}
function mouse_up_handler(e) {
try {
mouse_is_down = false;
if (!selection_disabled) {
document.onselectstart = null;
var e = $("headlineActionsBody");
if (e) Element.hide(e);
var e = $("offlineModeDrop");
if (e) Element.hide(e);
}
} catch (e) {
exception_error("mouse_up_handler", e);
}
}
function request_counters_real() {
try {
if (offline_mode) return;
console.log("requesting counters...");
var query = "?op=rpc&subop=getAllCounters&seq=" + next_seq();
if (tagsAreDisplayed()) {
query = query + "&omode=tl";
} else {
query = query + "&omode=flc";
}
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
try {
handle_rpc_reply(transport);
} catch (e) {
exception_error("viewfeed/getcounters", e);
}
} });
} catch (e) {
exception_error("request_counters_real", e);
}
}
function request_counters() {
try {
if (getInitParam("bw_limit") == "1") return;
var date = new Date();
var timestamp = Math.round(date.getTime() / 1000);
if (timestamp - counters_last_request > 5) {
console.log("scheduling request of counters...");
window.clearTimeout(counter_timeout_id);
counter_timeout_id = window.setTimeout("request_counters_real()", 1000);
counters_last_request = timestamp;
} else {
console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
}
} catch (e) {
exception_error("request_counters", e);
}
}
function displayNewContentPrompt(id) {
try {
var msg = "<a href='#' onclick='viewfeed("+id+")'>" +
__("New articles available in this feed (click to show)") + "</a>";
msg = msg.replace("%s", getFeedName(id));
$('auxDlg').innerHTML = msg;
new Effect.Appear('auxDlg', {duration : 0.5});
} catch (e) {
exception_error("displayNewContentPrompt", e);
}
}
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 (id == getActiveFeedId())
// console.log("HAS CTR: " + feedu.innerHTML + " GOT CTR: " + ctr +
// " IS_SCHED: " + scheduled_call);
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 = $("feeds-frame").innerHTML;
if (fl) {
cache_invalidate("FEEDLIST");
cache_inject("FEEDLIST", fl, getInitParam("num_feeds"));
} */
}
} catch (e) {
exception_error("parse_counters", e);
}
}
function get_feed_unread(id) {
try {
return parseInt($("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]);
/* we don't want to match FEEDR-0 - e.g. Archived articles */
var valid_pair = cat_mode || (list[i].id.match(/FEEDR-[1-9]/) &&
list[j].id.match(/FEEDR-[1-9]/));
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);
}
}
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.warn("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");
var has_error = node.childNodes[i].className.match("error");
// console.log(node.childNodes[i].id + " --> " + has_unread);
if (hide && !has_unread) {
var id = node.childNodes[i].id;
Effect.Fade(node.childNodes[i], {duration : 0.3,
queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
}
if (!hide) {
Element.show(node.childNodes[i]);
}
if (has_unread) {
Element.show(node.childNodes[i]);
cat_unread++;
}
//if (has_error) Element.hide(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 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 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 clean_feed_selections() {
try {
var feeds = $("feedList").getElementsByTagName("LI");
for (var i = 0; i < feeds.length; i++) {
if (feeds[i].id && feeds[i].id.match("FEEDR-")) {
feeds[i].className = feeds[i].className.replace("Selected", "");
}
if (feeds[i].id && feeds[i].id.match("FCAT-")) {
feeds[i].className = feeds[i].className.replace("Selected", "");
}
}
} catch (e) {
exception_error("clean_feed_selections", e);
}
}
function feedsSortByUnread() {
return feeds_sort_by_unread;
}