787 lines
17 KiB
JavaScript
787 lines
17 KiB
JavaScript
var active_post_id = false;
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var _catchup_callback_func = false;
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var last_article_view = false;
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var active_real_feed_id = false;
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var _tag_active_post_id = false;
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var _tag_active_feed_id = false;
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var _tag_active_cdm = false;
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// FIXME: kludge, to restore scrollTop after tag editor terminates
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var _tag_cdm_scroll = false;
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// FIXME: kludges, needs proper implementation
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var _reload_feedlist_after_view = false;
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var _cdm_wd_timeout = false;
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var _cdm_wd_vishist = new Array();
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var article_cache = new Array();
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function catchup_callback() {
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if (xmlhttp_rpc.readyState == 4) {
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try {
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debug("catchup_callback");
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if (_catchup_callback_func) {
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setTimeout(_catchup_callback_func, 100);
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}
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notify("");
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all_counters_callback();
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} catch (e) {
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exception_error("catchup_callback", e);
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}
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}
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}
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function headlines_callback() {
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if (xmlhttp.readyState == 4) {
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debug("headlines_callback");
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var f = document.getElementById("headlines-frame");
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try {
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f.scrollTop = 0;
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} catch (e) { };
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f.innerHTML = xmlhttp.responseText;
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update_all_counters();
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if (typeof correctPNG != 'undefined') {
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correctPNG();
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}
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if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
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if (!document.getElementById("headlinesList") &&
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getInitParam("cdm_auto_catchup") == 1) {
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debug("starting CDM watchdog");
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_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
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_cdm_wd_vishist = new Array();
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} else {
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debug("not in CDM mode or watchdog disabled");
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}
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if (_tag_cdm_scroll) {
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try {
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document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
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_tag_cdm_scroll = false;
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} catch (e) { }
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}
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notify("");
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}
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}
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function render_article(article) {
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try {
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var f = document.getElementById("content-frame");
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try {
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f.scrollTop = 0;
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} catch (e) { };
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f.innerHTML = article;
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} catch (e) {
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exception_error("render_article", e);
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}
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}
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function article_callback() {
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if (xmlhttp.readyState == 4) {
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debug("article_callback");
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try {
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if (xmlhttp.responseXML) {
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var reply = xmlhttp.responseXML.firstChild.firstChild;
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var articles = xmlhttp.responseXML.getElementsByTagName("article");
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for (var i = 0; i < articles.length; i++) {
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var a_id = articles[i].getAttribute("id");
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debug("found id: " + a_id);
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if (a_id == active_post_id) {
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debug("active article, rendering...");
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render_article(articles[i].firstChild.nodeValue);
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}
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cache_inject(a_id, articles[i].firstChild.nodeValue);
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}
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} else {
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debug("article_callback: returned no XML object");
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}
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} catch (e) {
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exception_error("article_callback", e);
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}
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var date = new Date();
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last_article_view = date.getTime() / 1000;
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if (typeof correctPNG != 'undefined') {
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correctPNG();
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}
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if (_reload_feedlist_after_view) {
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setTimeout('updateFeedList(false, false)', 50);
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_reload_feedlist_after_view = false;
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} else {
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update_all_counters();
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}
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notify("");
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}
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}
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function view(id, feed_id, skip_history) {
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try {
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debug("loading article: " + id + "/" + feed_id);
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active_real_feed_id = feed_id;
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var cached_article = cache_find(id);
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debug("cache check result: " + (cached_article != false));
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/* if (!skip_history) {
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history_push("ARTICLE:" + id + ":" + feed_id);
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} */
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enableHotkeys();
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active_post_id = id;
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//setActiveFeedId(feed_id);
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var query = "backend.php?op=view&id=" + param_escape(id) +
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"&feed=" + param_escape(feed_id);
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var date = new Date();
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if (!xmlhttp_ready(xmlhttp) && last_article_view < date.getTime() / 1000 - 15) {
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debug("<b>xmlhttp seems to be stuck at view, aborting</b>");
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xmlhttp.abort();
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}
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if (cached_article || xmlhttp_ready(xmlhttp)) {
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cleanSelected("headlinesList");
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var crow = document.getElementById("RROW-" + active_post_id);
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var article_is_unread = crow.className.match("Unread");
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debug("article is unread: " + article_is_unread);
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crow.className = crow.className.replace("Unread", "");
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var upd_img_pic = document.getElementById("FUPDPIC-" + active_post_id);
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if (upd_img_pic) {
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upd_img_pic.src = "images/blank_icon.gif";
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}
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selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
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markHeadline(active_post_id);
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var neighbor_ids = getRelativePostIds(active_post_id);
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/* only request uncached articles */
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var cids_to_request = Array();
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for (var i = 0; i < neighbor_ids.length; i++) {
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if (!cache_check(neighbor_ids[i])) {
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cids_to_request.push(neighbor_ids[i]);
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}
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}
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debug("additional ids: " + cids_to_request.toString());
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var date = new Date();
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var timestamp = Math.round(date.getTime() / 1000);
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query = query + "&ts=" + timestamp;
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query = query + "&cids=" + cids_to_request.toString();
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if (!cached_article) {
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notify_progress("Loading, please wait...");
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debug(query);
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xmlhttp.open("GET", query, true);
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xmlhttp.onreadystatechange=article_callback;
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xmlhttp.send(null);
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} else if (cached_article && article_is_unread) {
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query = query + "&mode=prefetch";
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debug(query);
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xmlhttp.open("GET", query, true);
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xmlhttp.onreadystatechange=article_callback;
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xmlhttp.send(null);
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render_article(cached_article);
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} else if (cached_article) {
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render_article(cached_article);
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}
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cache_expire();
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} else {
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debug("xmlhttp busy (@view)");
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printLockingError();
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}
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} catch (e) {
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exception_error("view", e);
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}
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}
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function toggleMark(id) {
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if (!xmlhttp_ready(xmlhttp_rpc)) {
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printLockingError();
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return;
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}
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var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
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var mark_img = document.getElementById("FMARKPIC-" + id);
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var vfeedu = document.getElementById("FEEDU--1");
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var crow = document.getElementById("RROW-" + id);
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if (mark_img.alt != "Reset mark") {
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mark_img.src = "images/mark_set.png";
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mark_img.alt = "Reset mark";
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query = query + "&mark=1";
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if (vfeedu && crow.className.match("Unread")) {
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vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
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}
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} else {
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mark_img.src = "images/mark_unset.png";
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mark_img.alt = "Set mark";
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query = query + "&mark=0";
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if (vfeedu && crow.className.match("Unread")) {
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vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
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}
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}
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var vfeedctr = document.getElementById("FEEDCTR--1");
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var vfeedr = document.getElementById("FEEDR--1");
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if (vfeedu && vfeedctr) {
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if ((+vfeedu.innerHTML) > 0) {
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if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
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vfeedr.className = vfeedr.className + "Unread";
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vfeedctr.className = "odd";
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}
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} else {
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vfeedctr.className = "invisible";
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vfeedr.className = vfeedr.className.replace("Unread", "");
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}
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}
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debug("toggle starred for aid " + id);
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new Ajax.Request(query);
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}
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function moveToPost(mode) {
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// check for combined mode
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if (!document.getElementById("headlinesList"))
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return;
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var rows = getVisibleHeadlineIds();
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var prev_id;
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var next_id;
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if (!document.getElementById('RROW-' + active_post_id)) {
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active_post_id = false;
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}
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if (active_post_id == false) {
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next_id = getFirstVisibleHeadlineId();
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prev_id = getLastVisibleHeadlineId();
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} else {
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for (var i = 0; i < rows.length; i++) {
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if (rows[i] == active_post_id) {
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prev_id = rows[i-1];
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next_id = rows[i+1];
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}
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}
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}
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if (mode == "next") {
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if (next_id != undefined) {
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view(next_id, getActiveFeedId());
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}
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}
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if (mode == "prev") {
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if ( prev_id != undefined) {
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view(prev_id, getActiveFeedId());
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}
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}
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}
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function toggleUnread(id, cmode) {
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try {
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if (!xmlhttp_ready(xmlhttp_rpc)) {
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printLockingError();
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return;
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}
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var row = document.getElementById("RROW-" + id);
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if (row) {
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var nc = row.className;
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nc = nc.replace("Unread", "");
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nc = nc.replace("Selected", "");
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if (row.className.match("Unread")) {
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row.className = nc;
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} else {
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row.className = nc + "Unread";
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}
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if (!cmode) cmode = 2;
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var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
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param_escape(id) + "&cmode=" + param_escape(cmode);
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notify_progress("Loading, please wait...");
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xmlhttp_rpc.open("GET", query, true);
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xmlhttp_rpc.onreadystatechange=all_counters_callback;
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xmlhttp_rpc.send(null);
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}
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} catch (e) {
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exception_error("toggleUnread", e);
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}
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}
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function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
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try {
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if (!xmlhttp_ready(xmlhttp_rpc)) {
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printLockingError();
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return;
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}
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var rows;
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if (cdm_mode) {
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rows = cdmGetSelectedArticles();
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} else {
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rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
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}
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if (rows.length == 0 && !no_error) {
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alert(__("No articles are selected."));
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return;
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}
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for (i = 0; i < rows.length; i++) {
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var row = document.getElementById("RROW-" + rows[i]);
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if (row) {
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var nc = row.className;
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nc = nc.replace("Unread", "");
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nc = nc.replace("Selected", "");
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if (row.className.match("Unread")) {
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row.className = nc + "Selected";
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} else {
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row.className = nc + "UnreadSelected";
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}
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}
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}
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if (rows.length > 0) {
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var cmode = "";
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if (set_state == undefined) {
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cmode = "2";
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} else if (set_state == true) {
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cmode = "1";
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} else if (set_state == false) {
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cmode = "0";
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}
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var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
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param_escape(rows.toString()) + "&cmode=" + cmode;
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_catchup_callback_func = callback_func;
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notify_progress("Loading, please wait...");
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xmlhttp_rpc.open("GET", query, true);
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xmlhttp_rpc.onreadystatechange=catchup_callback;
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xmlhttp_rpc.send(null);
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}
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} catch (e) {
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exception_error("selectionToggleUnread", e);
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}
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}
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function selectionToggleMarked(cdm_mode) {
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try {
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if (!xmlhttp_ready(xmlhttp_rpc)) {
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printLockingError();
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return;
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}
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var rows;
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if (cdm_mode) {
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rows = cdmGetSelectedArticles();
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} else {
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rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
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}
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if (rows.length == 0) {
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alert(__("No articles are selected."));
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return;
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}
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for (i = 0; i < rows.length; i++) {
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var row = document.getElementById("RROW-" + rows[i]);
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var mark_img = document.getElementById("FMARKPIC-" + rows[i]);
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if (row && mark_img) {
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if (mark_img.alt == "Set mark") {
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mark_img.src = "images/mark_set.png";
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mark_img.alt = "Reset mark";
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mark_img.setAttribute('onclick',
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'javascript:toggleMark('+rows[i]+', false)');
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} else {
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mark_img.src = "images/mark_unset.png";
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mark_img.alt = "Set mark";
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mark_img.setAttribute('onclick',
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'javascript:toggleMark('+rows[i]+', true)');
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}
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}
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}
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if (rows.length > 0) {
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var query = "backend.php?op=rpc&subop=markSelected&ids=" +
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param_escape(rows.toString()) + "&cmode=2";
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xmlhttp_rpc.open("GET", query, true);
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xmlhttp_rpc.onreadystatechange=all_counters_callback;
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xmlhttp_rpc.send(null);
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}
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} catch (e) {
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exception_error("selectionToggleMarked", e);
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}
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}
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function cdmGetSelectedArticles() {
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var sel_articles = new Array();
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var container = document.getElementById("headlinesInnerContainer");
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for (i = 0; i < container.childNodes.length; i++) {
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var child = container.childNodes[i];
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if (child.id.match("RROW-") && child.className.match("Selected")) {
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var c_id = child.id.replace("RROW-", "");
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sel_articles.push(c_id);
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}
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}
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return sel_articles;
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}
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|
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// mode = all,none,unread
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function cdmSelectArticles(mode) {
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var container = document.getElementById("headlinesInnerContainer");
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for (i = 0; i < container.childNodes.length; i++) {
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var child = container.childNodes[i];
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if (child.id.match("RROW-")) {
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var aid = child.id.replace("RROW-", "");
|
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var cb = document.getElementById("RCHK-" + aid);
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|
|
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if (mode == "all") {
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if (!child.className.match("Selected")) {
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child.className = child.className + "Selected";
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cb.checked = true;
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}
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} else if (mode == "unread") {
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if (child.className.match("Unread") && !child.className.match("Selected")) {
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child.className = child.className + "Selected";
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cb.checked = true;
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}
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|
} else {
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child.className = child.className.replace("Selected", "");
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cb.checked = false;
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}
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}
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}
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|
}
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|
function catchupPage() {
|
|
|
|
if (document.getElementById("headlinesList")) {
|
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selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
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selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
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selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
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} else {
|
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cdmSelectArticles('all');
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selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
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cdmSelectArticles('none');
|
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}
|
|
}
|
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|
|
function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
|
|
|
|
if (!xmlhttp_ready(xmlhttp_rpc)) {
|
|
printLockingError();
|
|
}
|
|
|
|
var title = prompt("Please enter label title:", "");
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|
|
if (title) {
|
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|
var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
|
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"&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
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"&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
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"&title=" + param_escape(title);
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|
debug("LFS: " + query);
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|
|
xmlhttp_rpc.open("GET", query, true);
|
|
xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
|
|
xmlhttp_rpc.send(null);
|
|
}
|
|
|
|
}
|
|
|
|
function editArticleTags(id, feed_id, cdm_enabled) {
|
|
_tag_active_post_id = id;
|
|
_tag_active_feed_id = feed_id;
|
|
_tag_active_cdm = cdm_enabled;
|
|
try {
|
|
_tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
|
|
} catch (e) { }
|
|
displayDlg('editArticleTags', id);
|
|
}
|
|
|
|
|
|
function tag_saved_callback() {
|
|
if (xmlhttp_rpc.readyState == 4) {
|
|
try {
|
|
debug("in tag_saved_callback");
|
|
|
|
closeInfoBox();
|
|
notify("");
|
|
|
|
if (tagsAreDisplayed()) {
|
|
_reload_feedlist_after_view = true;
|
|
}
|
|
|
|
if (!_tag_active_cdm) {
|
|
if (active_post_id == _tag_active_post_id) {
|
|
debug("reloading current article");
|
|
view(_tag_active_post_id, _tag_active_feed_id);
|
|
}
|
|
} else {
|
|
debug("reloading current feed");
|
|
viewCurrentFeed();
|
|
}
|
|
|
|
} catch (e) {
|
|
exception_error("catchup_callback", e);
|
|
}
|
|
}
|
|
}
|
|
|
|
function editTagsSave() {
|
|
|
|
if (!xmlhttp_ready(xmlhttp_rpc)) {
|
|
printLockingError();
|
|
}
|
|
|
|
notify_progress("Saving article tags...");
|
|
|
|
var form = document.forms["tag_edit_form"];
|
|
|
|
var query = Form.serialize("tag_edit_form");
|
|
|
|
xmlhttp_rpc.open("GET", "backend.php?op=rpc&subop=setArticleTags&" + query, true);
|
|
xmlhttp_rpc.onreadystatechange=tag_saved_callback;
|
|
xmlhttp_rpc.send(null);
|
|
|
|
}
|
|
|
|
function editTagsInsert() {
|
|
try {
|
|
|
|
var form = document.forms["tag_edit_form"];
|
|
|
|
var found_tags = form.found_tags;
|
|
var tags_str = form.tags_str;
|
|
|
|
var tag = found_tags[found_tags.selectedIndex].value;
|
|
|
|
if (tags_str.value.length > 0 &&
|
|
tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
|
|
|
|
tags_str.value = tags_str.value + ", ";
|
|
}
|
|
|
|
tags_str.value = tags_str.value + tag + ", ";
|
|
|
|
found_tags.selectedIndex = 0;
|
|
|
|
} catch (e) {
|
|
exception_error(e, "editTagsInsert");
|
|
}
|
|
}
|
|
|
|
function cdmWatchdog() {
|
|
|
|
try {
|
|
|
|
var ctr = document.getElementById("headlinesInnerContainer");
|
|
|
|
if (!ctr) return;
|
|
|
|
var ids = new Array();
|
|
|
|
var e = ctr.firstChild;
|
|
|
|
while (e) {
|
|
if (e.className && e.className == "cdmArticleUnread" && e.id &&
|
|
e.id.match("RROW-")) {
|
|
|
|
// article fits in viewport OR article is longer than viewport and
|
|
// its bottom is visible
|
|
|
|
if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
|
|
ctr.scrollTop + ctr.offsetHeight) {
|
|
|
|
// debug(e.id + " is visible " + e.offsetTop + "." +
|
|
// (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
|
|
// (ctr.scrollTop + ctr.offsetHeight));
|
|
|
|
ids.push(e.id.replace("RROW-", ""));
|
|
|
|
} else if (e.offsetHeight > ctr.offsetHeight &&
|
|
e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
|
|
e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
|
|
|
|
ids.push(e.id.replace("RROW-", ""));
|
|
|
|
}
|
|
|
|
// method 2: article bottom is visible and is in upper 1/2 of the viewport
|
|
|
|
/* if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
|
|
e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
|
|
|
|
ids.push(e.id.replace("RROW-", ""));
|
|
|
|
} */
|
|
|
|
}
|
|
|
|
e = e.nextSibling;
|
|
}
|
|
|
|
debug("cdmWatchdog, ids= " + ids.toString());
|
|
|
|
if (ids.length > 0 && xmlhttp_ready(xmlhttp_rpc)) {
|
|
|
|
for (var i = 0; i < ids.length; i++) {
|
|
var e = document.getElementById("RROW-" + ids[i]);
|
|
if (e) {
|
|
e.className = e.className.replace("Unread", "");
|
|
}
|
|
}
|
|
|
|
var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
|
|
param_escape(ids.toString()) + "&cmode=0";
|
|
|
|
xmlhttp_rpc.open("GET", query, true);
|
|
xmlhttp_rpc.onreadystatechange=all_counters_callback;
|
|
xmlhttp_rpc.send(null);
|
|
|
|
}
|
|
|
|
_cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
|
|
|
|
} catch (e) {
|
|
exception_error(e, "cdmWatchdog");
|
|
}
|
|
|
|
}
|
|
|
|
|
|
function cache_inject(id, article) {
|
|
if (!cache_check(id)) {
|
|
debug("cache_article: miss: " + id);
|
|
|
|
var cache_obj = new Array();
|
|
|
|
var d = new Date();
|
|
|
|
cache_obj["id"] = id;
|
|
cache_obj["entered"] = d.getTime() / 1000;
|
|
cache_obj["data"] = article;
|
|
cache_obj["last_access"] = 0;
|
|
|
|
//article_cache[id] = cache_obj;
|
|
|
|
article_cache.push(cache_obj);
|
|
|
|
} else {
|
|
debug("cache_article: hit: " + id);
|
|
}
|
|
}
|
|
|
|
function cache_find(id) {
|
|
for (var i = 0; i < article_cache.length; i++) {
|
|
if (article_cache[i]["id"] == id) {
|
|
var d = new Date();
|
|
article_cache[i]["last_access"] = d.getTime() / 1000;
|
|
return article_cache[i]["data"];
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function cache_check(id) {
|
|
for (var i = 0; i < article_cache.length; i++) {
|
|
if (article_cache[i]["id"] == id) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function cache_expire() {
|
|
while (article_cache.length > 30) {
|
|
article_cache.shift();
|
|
}
|
|
}
|