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Code Issues Releases Wiki Activity

add experimental floating title when scrolling long articles in combined mode

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This commit is contained in:
Andrew Dolgov
2013-06-05 22:19:33 +04:00
parent a1495542fc
commit 08820be70b
5 changed files with 101 additions and 3 deletions
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67
js/viewfeed.js
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@@ -444,7 +444,21 @@ function toggleMark(id, client_only) {
var row = $("RROW-" + id);
if (!row) return;
var imgs = row.getElementsByClassName("markedPic");
var imgs = [];
var row_imgs = row.getElementsByClassName("markedPic");
for (var i = 0; i < row_imgs.length; i++)
imgs.push(row_imgs[i]);
var ft = $("floatingTitle");
if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
var fte = ft.getElementsByClassName("markedPic");
for (var i = 0; i < fte.length; i++)
imgs.push(fte[i]);
}
for (i = 0; i < imgs.length; i++) {
var img = imgs[i];
@@ -488,7 +502,21 @@ function togglePub(id, client_only, no_effects, note) {
var row = $("RROW-" + id);
if (!row) return;
var imgs = row.getElementsByClassName("pubPic");
var imgs = [];
var row_imgs = row.getElementsByClassName("pubPic");
for (var i = 0; i < row_imgs.length; i++)
imgs.push(row_imgs[i]);
var ft = $("floatingTitle");
if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
var fte = ft.getElementsByClassName("pubPic");
for (var i = 0; i < fte.length; i++)
imgs.push(fte[i]);
}
for (i = 0; i < imgs.length; i++) {
var img = imgs[i];
@@ -1280,6 +1308,10 @@ function headlines_scroll_handler(e) {
if (hsp) hsp.innerHTML = "";
}
if (getInitParam("cdm_expanded") && isCdmMode()) {
updateFloatingTitle();
}
if (getInitParam("cdm_auto_catchup") == 1) {
// let's get DOM some time to settle down
@@ -2157,3 +2189,34 @@ function openSelectedAttachment(elem) {
exception_error("openSelectedAttachment", e);
}
}
function updateFloatingTitle() {
try {
var hf = $("headlines-frame");
var elems = $$("#headlines-frame > div[id*=RROW]");
for (var i = 0; i < elems.length; i++) {
var child = elems[i];
if (child.offsetTop + child.offsetHeight > hf.scrollTop) {
var header = child.getElementsByClassName("cdmHeader")[0];
$("floatingTitle").setAttribute("rowid", child.id);
$("floatingTitle").innerHTML =
header.innerHTML;
if (child.offsetTop < hf.scrollTop - header.offsetHeight - 100 &&
child.offsetTop + child.offsetHeight - hf.scrollTop > 100)
Element.show("floatingTitle");
else
Element.hide("floatingTitle");
break;
}
}
} catch (e) {
exception_error("updateFloatingTitle", e);
}
}