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Code Issues Releases Wiki Activity

rework hideOrShowFeeds(): now hides empty categories should be compatible with browsers w/o document.styleSheets (closes #40)

This commit is contained in:
Andrew Dolgov 2006-06-08 05:05:11 +01:00
parent 5d35cdcd63
commit 293fa9424c
1 changed files with 56 additions and 12 deletions
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68
functions.js
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@ -594,7 +594,9 @@ function all_counters_callback() {
if (getInitParam("feeds_sort_by_unread") == 1) {
resort_feedlist();
}
hideOrShowFeeds(document, getInitParam("hide_read_feeds") == 1);
} catch (e) {
exception_error("all_counters_callback", e);
}
@ -726,25 +728,67 @@ function popupHelp(tid) {
function hideOrShowFeeds(doc, hide) {
if (!doc.styleSheets) return;
var fd = getFeedsContext().document;
var css_rules = doc.styleSheets[0].cssRules;
var list = fd.getElementById("feedList");
if (!css_rules || !css_rules.length) return;
if (fd.getElementById("feedCatHolder")) {
for (i = 0; i < css_rules.length; i++) {
var rule = css_rules[i];
var feeds = fd.getElementById("feedList");
var child = feeds.firstChild;
if (rule.selectorText == "ul.feedList li.feed") {
if (!hide) {
rule.style.display = "block";
} else {
rule.style.display = "none";
while (child) {
if (child.id == "feedCatHolder") {
hideOrShowFeedsCategory(fd, child.firstChild, hide, child.previousSibling);
}
child = child.nextSibling;
}
}
} else {
hideOrShowFeedsCategory(fd, fd.getElementById("feedList"), hide);
}
}
function hideOrShowFeedsCategory(doc, node, hide, cat_node) {
// debug("hideOrShowFeedsCategory: " + node + " (" + hide + ")");
var cat_unread = 0;
if (node.hasChildNodes() && node.firstChild.nextSibling != false) {
for (i = 0; i < node.childNodes.length; i++) {
if (node.childNodes[i].nodeName != "LI") { continue; }
var has_unread = (node.childNodes[i].className != "feed");
// debug(node.childNodes[i].id + " --> " + has_unread);
if (hide && !has_unread) {
node.childNodes[i].style.display = "none";
}
if (!hide) {
node.childNodes[i].style.display = "list-item";
}
if (has_unread) {
cat_unread++;
}
}
}
if (cat_unread == 0) {
if (hide) {
cat_node.style.display = "none";
} else {
cat_node.style.display = "list-item";
}
}
// debug("unread for category: " + cat_unread);
}
function selectTableRow(r, do_select) {