rework hideOrShowFeeds(): now hides empty categories should be compatible with browsers w/o document.styleSheets (closes #40)
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functions.js
62
functions.js
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@ -595,6 +595,8 @@ function all_counters_callback() {
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resort_feedlist();
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}
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hideOrShowFeeds(document, getInitParam("hide_read_feeds") == 1);
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} catch (e) {
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exception_error("all_counters_callback", e);
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}
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@ -726,25 +728,67 @@ function popupHelp(tid) {
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function hideOrShowFeeds(doc, hide) {
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if (!doc.styleSheets) return;
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var fd = getFeedsContext().document;
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var css_rules = doc.styleSheets[0].cssRules;
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var list = fd.getElementById("feedList");
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if (!css_rules || !css_rules.length) return;
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if (fd.getElementById("feedCatHolder")) {
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for (i = 0; i < css_rules.length; i++) {
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var rule = css_rules[i];
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var feeds = fd.getElementById("feedList");
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var child = feeds.firstChild;
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while (child) {
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if (child.id == "feedCatHolder") {
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hideOrShowFeedsCategory(fd, child.firstChild, hide, child.previousSibling);
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}
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child = child.nextSibling;
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}
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if (rule.selectorText == "ul.feedList li.feed") {
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if (!hide) {
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rule.style.display = "block";
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} else {
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rule.style.display = "none";
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hideOrShowFeedsCategory(fd, fd.getElementById("feedList"), hide);
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}
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}
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function hideOrShowFeedsCategory(doc, node, hide, cat_node) {
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// debug("hideOrShowFeedsCategory: " + node + " (" + hide + ")");
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var cat_unread = 0;
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if (node.hasChildNodes() && node.firstChild.nextSibling != false) {
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for (i = 0; i < node.childNodes.length; i++) {
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if (node.childNodes[i].nodeName != "LI") { continue; }
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var has_unread = (node.childNodes[i].className != "feed");
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// debug(node.childNodes[i].id + " --> " + has_unread);
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if (hide && !has_unread) {
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node.childNodes[i].style.display = "none";
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}
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if (!hide) {
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node.childNodes[i].style.display = "list-item";
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}
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if (has_unread) {
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cat_unread++;
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}
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}
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}
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if (cat_unread == 0) {
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if (hide) {
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cat_node.style.display = "none";
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} else {
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cat_node.style.display = "list-item";
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}
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}
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// debug("unread for category: " + cat_unread);
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}
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function selectTableRow(r, do_select) {
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