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tt-rss/functions.js

1567 lines
32 KiB
JavaScript

var hotkeys_enabled = true;
var notify_silent = false;
var last_progress_point = 0;
var sanity_check_done = false;
/* add method to remove element from array */
Array.prototype.remove = function(s) {
for (var i=0; i < this.length; i++) {
if (s == this[i]) this.splice(i, 1);
}
}
/* create console.log if it doesn't exist */
if (!window.console) console = {};
console.log = console.log || function(msg) { };
console.warn = console.warn || function(msg) { };
console.error = console.error || function(msg) { };
function exception_error(location, e, ext_info) {
var msg = format_exception_error(location, e);
if (!ext_info) ext_info = false;
disableHotkeys();
try {
var ebc = $("xebContent");
if (ebc) {
Element.show("dialog_overlay");
Element.show("errorBoxShadow");
if (ext_info) {
if (ext_info.responseText) {
ext_info = ext_info.responseText;
}
}
ebc.innerHTML =
"<div><b>Error message:</b></div>" +
"<pre>" + msg + "</pre>";
if (ext_info) {
ebc.innerHTML += "<div><b>Additional information:</b></div>" +
"<textarea readonly=\"1\">" + ext_info + "</textarea>";
}
ebc.innerHTML += "<div><b>Stack trace:</b></div>" +
"<textarea readonly=\"1\">" + e.stack + "</textarea>";
} else {
alert(msg);
}
} catch (e) {
alert(msg);
}
}
function format_exception_error(location, e) {
var msg;
if (e.fileName) {
var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
msg = "Exception: " + e.name + ", " + e.message +
"\nFunction: " + location + "()" +
"\nLocation: " + base_fname + ":" + e.lineNumber;
} else if (e.description) {
msg = "Exception: " + e.description + "\nFunction: " + location + "()";
} else {
msg = "Exception: " + e + "\nFunction: " + location + "()";
}
console.error("EXCEPTION: " + msg);
return msg;
}
function disableHotkeys() {
hotkeys_enabled = false;
}
function enableHotkeys() {
hotkeys_enabled = true;
}
function param_escape(arg) {
if (typeof encodeURIComponent != 'undefined')
return encodeURIComponent(arg);
else
return escape(arg);
}
function param_unescape(arg) {
if (typeof decodeURIComponent != 'undefined')
return decodeURIComponent(arg);
else
return unescape(arg);
}
var notify_hide_timerid = false;
function hide_notify() {
var n = $("notify");
if (n) {
n.style.display = "none";
}
}
function notify_silent_next() {
notify_silent = true;
}
function notify_real(msg, no_hide, n_type) {
if (notify_silent) {
notify_silent = false;
return;
}
var n = $("notify");
var nb = $("notify_body");
if (!n || !nb) return;
if (notify_hide_timerid) {
window.clearTimeout(notify_hide_timerid);
}
if (msg == "") {
if (n.style.display == "block") {
notify_hide_timerid = window.setTimeout("hide_notify()", 0);
}
return;
} else {
n.style.display = "block";
}
/* types:
1 - generic
2 - progress
3 - error
4 - info
*/
if (typeof __ != 'undefined') {
msg = __(msg);
}
if (n_type == 1) {
n.className = "notify";
} else if (n_type == 2) {
n.className = "notifyProgress";
msg = "<img src='"+getInitParam("sign_progress")+"'> " + msg;
} else if (n_type == 3) {
n.className = "notifyError";
msg = "<img src='"+getInitParam("sign_excl")+"'> " + msg;
} else if (n_type == 4) {
n.className = "notifyInfo";
msg = "<img src='"+getInitParam("sign_info")+"'> " + msg;
}
// msg = "<img src='images/live_com_loading.gif'> " + msg;
nb.innerHTML = msg;
if (!no_hide) {
notify_hide_timerid = window.setTimeout("hide_notify()", 3000);
}
}
function notify(msg, no_hide) {
notify_real(msg, no_hide, 1);
}
function notify_progress(msg, no_hide) {
notify_real(msg, no_hide, 2);
}
function notify_error(msg, no_hide) {
notify_real(msg, no_hide, 3);
}
function notify_info(msg, no_hide) {
notify_real(msg, no_hide, 4);
}
function cleanSelected(element) {
var content = $(element);
for (i = 0; i < content.rows.length; i++) {
content.rows[i].className = content.rows[i].className.replace("Selected", "");
}
}
function setCookie(name, value, lifetime, path, domain, secure) {
var d = false;
if (lifetime) {
d = new Date();
d.setTime(d.getTime() + (lifetime * 1000));
}
console.log("setCookie: " + name + " => " + value + ": " + d);
int_setCookie(name, value, d, path, domain, secure);
}
function int_setCookie(name, value, expires, path, domain, secure) {
document.cookie= name + "=" + escape(value) +
((expires) ? "; expires=" + expires.toGMTString() : "") +
((path) ? "; path=" + path : "") +
((domain) ? "; domain=" + domain : "") +
((secure) ? "; secure" : "");
}
function delCookie(name, path, domain) {
if (getCookie(name)) {
document.cookie = name + "=" +
((path) ? ";path=" + path : "") +
((domain) ? ";domain=" + domain : "" ) +
";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}
}
function getCookie(name) {
var dc = document.cookie;
var prefix = name + "=";
var begin = dc.indexOf("; " + prefix);
if (begin == -1) {
begin = dc.indexOf(prefix);
if (begin != 0) return null;
}
else {
begin += 2;
}
var end = document.cookie.indexOf(";", begin);
if (end == -1) {
end = dc.length;
}
return unescape(dc.substring(begin + prefix.length, end));
}
function gotoPreferences() {
document.location.href = "prefs.php";
}
function gotoMain() {
document.location.href = "tt-rss.php";
}
function gotoExportOpml() {
document.location.href = "opml.php?op=Export";
}
/** * @(#)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 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 checkboxToggleElement(elem, id) {
if (elem.checked) {
Effect.Appear(id, {duration : 0.5});
} else {
Effect.Fade(id, {duration : 0.5});
}
}
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 make_timestamp() {
var d = new Date();
return leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
":" + leading_zero(d.getSeconds());
}
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) $("infoBox").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 {
console.log("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 = "?op=rpc&subop=verifyRegexp&reg_exp=" + param_escape(reg_exp);
notify_progress("Verifying regular expression...");
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
handle_rpc_reply(transport);
var response = transport.responseXML;
if (response) {
var s = response.getElementsByTagName("status")[0].firstChild.nodeValue;
notify('');
if (s == "INVALID") {
alert("Match regular expression seems to be invalid.");
return;
} else {
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");
console.log("subscribe q: " + query);
Form.disable("feed_add_form");
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
//dlg_frefresh_callback(transport);
try {
if (!transport.responseXML) {
console.log(transport.responseText);
alert(__("Server error while trying to subscribe to specified feed."));
return;
}
var result = transport.responseXML.getElementsByTagName('result')[0];
var rc = parseInt(result.getAttribute('code'));
Form.enable("feed_add_form");
notify('');
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(__("Specified URL seems to be invalid."));
break;
case 3:
alert(__("Specified URL doesn't seem to contain any feeds."));
break;
case 4:
new Ajax.Request("backend.php", {
parameters: 'op=rpc&subop=extractfeedurls&url=' + encodeURIComponent(feed_url),
onComplete: function(transport) {
var result = transport.responseXML.getElementsByTagName('urls')[0];
var feeds = JSON.parse(result.firstChild.nodeValue);
var select = document.getElementById("faad_feeds_container_select");
while (select.hasChildNodes()) {
select.removeChild(elem.firstChild);
}
var count = 0;
for (var feedUrl in feeds) {
select.insert(new Option(feeds[feedUrl], feedUrl, false));
count++;
}
if (count > 5) count = 5;
select.size = count;
Effect.Appear('fadd_feeds_container', {duration : 0.5});
}
});
break;
case 5:
alert(__("Couldn't download the specified URL."));
break;
case 0:
alert(__("You are already subscribed to this feed."));
break;
}
} catch (e) {
exception_error("subscribeToFeed", e);
}
} });
} 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;
}
}
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 = "db-updater.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 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) {
console.log("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) {
console.log("filterDlgCheckAction: can't find form!");
return;
}
var action_param = $("filter_dlg_param_box");
if (!action_param) {
console.log("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) {
console.log("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);
}
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 loading_set_progress(p) {
try {
if (p < last_progress_point || !Element.visible("overlay")) return;
console.log("loading_set_progress : " + p + " (" + last_progress_point + ")");
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")) {
console.log("about to remove splash, OMG!");
Element.hide("overlay");
console.log("removed splash!");
}
}
function getSelectedFeedsFromBrowser() {
var list = $("browseFeedList");
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 = $("browseFeedList");
var r = transport.responseXML.getElementsByTagName("content")[0];
var nr = transport.responseXML.getElementsByTagName("num-results")[0];
var mode = transport.responseXML.getElementsByTagName("mode")[0];
if (c && r) {
c.innerHTML = r.firstChild.nodeValue;
}
if (parseInt(mode.getAttribute("value")) == 2) {
Element.show('feed_archive_remove');
} else {
Element.hide('feed_archive_remove');
}
} });
} catch (e) {
exception_error("updateFeedBrowser", e);
}
}
function transport_error_check(transport) {
try {
if (transport.responseXML) {
var error = transport.responseXML.getElementsByTagName("error")[0];
if (error) {
var code = error.getAttribute("error-code");
var msg = error.getAttribute("error-msg");
if (code != 0) {
fatalError(code, msg);
return false;
}
}
}
} catch (e) {
exception_error("check_for_error_xml", e);
}
return true;
}
function strip_tags(s) {
return s.replace(/<\/?[^>]+(>|$)/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 hotkey_prefix_timeout() {
try {
var date = new Date();
var ts = Math.round(date.getTime() / 1000);
if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
console.log("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 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);
}
}
function uploadIconHandler(rc) {
try {
switch (rc) {
case 0:
notify_info("Upload complete.");
if (inPreferences()) {
updateFeedList();
} else {
setTimeout('updateFeedList(false, false)', 50);
}
break;
case 1:
notify_error("Upload failed: icon is too big.");
break;
case 2:
notify_error("Upload failed.");
break;
}
} catch (e) {
exception_error("uploadIconHandler", e);
}
}
function removeFeedIcon(id) {
try {
if (confirm(__("Remove stored feed icon?"))) {
var query = "backend.php?op=pref-feeds&subop=removeicon&feed_id=" + param_escape(id);
console.log(query);
notify_progress("Removing feed icon...", true);
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
notify_info("Feed icon removed.");
if (inPreferences()) {
updateFeedList();
} else {
setTimeout('updateFeedList(false, false)', 50);
}
} });
}
return false;
} catch (e) {
exception_error("uploadFeedIcon", e);
}
}
function uploadFeedIcon() {
try {
var file = $("icon_file");
if (file.value.length == 0) {
alert(__("Please select an image file to upload."));
} else {
if (confirm(__("Upload new icon for this feed?"))) {
notify_progress("Uploading, please wait...", true);
return true;
}
}
return false;
} catch (e) {
exception_error("uploadFeedIcon", e);
}
}
function addLabel(select, callback) {
try {
var caption = prompt(__("Please enter label caption:"), "");
if (caption != undefined) {
if (caption == "") {
alert(__("Can't create label: missing caption."));
return false;
}
var query = "?op=pref-labels&subop=add&caption=" +
param_escape(caption);
if (select)
query += "&output=select";
notify_progress("Loading, please wait...", true);
if (inPreferences() && !select) active_tab = "labelConfig";
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
if (callback) {
callback(transport);
} else if (inPreferences()) {
infobox_submit_callback2(transport);
} else {
updateFeedList();
}
} });
}
} catch (e) {
exception_error("addLabel", e);
}
}
function quickAddFeed() {
displayDlg('quickAddFeed', '',
function () {$('feed_url').focus();});
}
function quickAddFilter() {
displayDlg('quickAddFilter', '',
function () {document.forms['filter_add_form'].reg_exp.focus();});
}
function unsubscribeFeed(feed_id, title) {
var msg = __("Unsubscribe from %s?").replace("%s", title);
if (title == undefined || confirm(msg)) {
notify_progress("Removing feed...");
var query = "?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
closeInfoBox();
if (inPreferences()) {
updateFeedList();
} else {
dlg_frefresh_callback(transport, feed_id);
}
} });
}
return false;
}
function backend_sanity_check_callback(transport) {
try {
if (sanity_check_done) {
fatalError(11, "Sanity check request received twice. This can indicate "+
"presence of Firebug or some other disrupting extension. "+
"Please disable it and try again.");
return;
}
if (!transport.responseXML) {
if (!store) {
fatalError(3, "Sanity check: Received reply is not XML",
transport.responseText);
return;
} else {
init_offline();
return;
}
}
if (getURLParam("offline")) {
return init_offline();
}
var reply = transport.responseXML.getElementsByTagName("error")[0];
if (!reply) {
fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
return;
}
var error_code = reply.getAttribute("error-code");
if (error_code && error_code != 0) {
return fatalError(error_code, reply.getAttribute("error-msg"));
}
console.log("sanity check ok");
var params = transport.responseXML.getElementsByTagName("init-params")[0];
if (params) {
console.log('reading init-params...');
params = JSON.parse(params.firstChild.nodeValue);
if (params) {
for (k in params) {
var v = params[k];
console.log("IP: " + k + " => " + v);
if (db) {
db.execute("DELETE FROM init_params WHERE key = ?", [k]);
db.execute("INSERT INTO init_params (key,value) VALUES (?, ?)",
[k, v]);
}
}
}
init_params = params;
}
sanity_check_done = true;
init_second_stage();
} catch (e) {
exception_error("backend_sanity_check_callback", e, transport);
}
}
function has_local_storage() {
return false;
/* try {
return 'localStorage' in window && window['localStorage'] != null;
} catch (e) {
return false;
} */
}
function catSelectOnChange(elem) {
try {
var value = elem[elem.selectedIndex].value;
var def = elem.getAttribute('default');
if (value == "ADD_CAT") {
if (def)
dropboxSelect(elem, def);
else
elem.selectedIndex = 0;
quickAddCat(elem);
}
} catch (e) {
exception_error("catSelectOnChange", e);
}
}
function quickAddCat(elem) {
try {
var cat = prompt(__("Please enter category title:"));
if (cat) {
var query = "?op=rpc&subop=quickAddCat&cat=" + param_escape(cat);
notify_progress("Loading, please wait...", true);
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function (transport) {
var response = transport.responseXML;
var select = response.getElementsByTagName("select")[0];
var options = select.getElementsByTagName("option");
dropbox_replace_options(elem, options);
notify('');
} });
}
} catch (e) {
exception_error("quickAddCat", e);
}
}
function genUrlChangeKey(feed, is_cat) {
try {
var ok = confirm(__("Generate new syndication address for this feed?"));
if (ok) {
notify_progress("Trying to change address...", true);
var query = "?op=rpc&subop=regenFeedKey&id=" + param_escape(feed) +
"&is_cat=" + param_escape(is_cat);
new Ajax.Request("backend.php", {
parameters: query,
onComplete: function(transport) {
var new_link = transport.responseXML.getElementsByTagName("link")[0];
var e = $('gen_feed_url');
if (new_link) {
new_link = new_link.firstChild.nodeValue;
e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
"&amp;key=" + new_link);
e.href = e.href.replace(/\&amp;key=.*$/,
"&amp;key=" + new_link);
new Effect.Highlight(e);
notify('');
} else {
notify_error("Could not change feed URL.");
}
} });
}
} catch (e) {
exception_error("genUrlChangeKey", e);
}
return false;
}
function labelSelectOnChange(elem) {
try {
var value = elem[elem.selectedIndex].value;
var def = elem.getAttribute('default');
if (value == "ADD_LABEL") {
if (def)
dropboxSelect(elem, def);
else
elem.selectedIndex = 0;
addLabel(elem, function(transport) {
try {
var response = transport.responseXML;
var select = response.getElementsByTagName("select")[0];
var options = select.getElementsByTagName("option");
dropbox_replace_options(elem, options);
notify('');
} catch (e) {
exception_error("addLabel", e);
}
});
}
} catch (e) {
exception_error("labelSelectOnChange", e);
}
}
function dropbox_replace_options(elem, options) {
try {
while (elem.hasChildNodes())
elem.removeChild(elem.firstChild);
var sel_idx = -1;
for (var i = 0; i < options.length; i++) {
var text = options[i].firstChild.nodeValue;
var value = options[i].getAttribute("value");
if (value == undefined) value = text;
var issel = options[i].getAttribute("selected") == "1";
var option = new Option(text, value, issel);
if (options[i].getAttribute("disabled"))
option.setAttribute("disabled", true);
elem.insert(option);
if (issel) sel_idx = i;
}
// Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
if (sel_idx >= 0) elem.selectedIndex = sel_idx;
} catch (e) {
exception_error("dropbox_replace_options", e);
}
}
// mode = all, none, invert
function selectTableRows(id, mode) {
try {
var rows = $(id).rows;
for (var i = 0; i < rows.length; i++) {
var row = rows[i];
var cb = false;
if (row.id && row.className) {
var bare_id = row.id.replace(/^[A-Z]*?-/, "");
var inputs = rows[i].getElementsByTagName("input");
for (var j = 0; j < inputs.length; j++) {
var input = inputs[j];
if (input.getAttribute("type") == "checkbox" &&
input.id.match(bare_id)) {
cb = input;
break;
}
}
if (cb) {
var issel = row.className.match("Selected");
if (mode == "all" && !issel) {
row.className += "Selected";
cb.checked = true;
} else if (mode == "none" && issel) {
row.className = row.className.replace("Selected", "");
cb.checked = false;
} else if (mode == "invert") {
if (issel) {
row.className = row.className.replace("Selected", "");
cb.checked = false;
} else {
row.className += "Selected";
cb.checked = true;
}
}
}
}
}
} catch (e) {
exception_error("selectTableRows", e);
}
}
function getSelectedTableRowIds(id) {
var rows = [];
try {
var elem_rows = $(id).rows;
for (i = 0; i < elem_rows.length; i++) {
if (elem_rows[i].className.match("Selected")) {
var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
rows.push(bare_id);
}
}
} catch (e) {
exception_error("getSelectedTableRowIds", e);
}
return rows;
}