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refactoring: use class attr to identify timerender date <span>.

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The floating_recipient_bar is cloned from recipient_bar elements.
The cloning created elements in the DOM with duplicate id
attributes, specifically <span id="timerender{id}">, which
contains the date of the message stream. The timerender span
will now use class="timerender{id}" instead.

Fixes #4997.
Fixes #5128.
This commit is contained in:
David Coleman
2017-06-03 11:10:09 -07:00
committed by Tim Abbott
parent 01d303da3e
commit 13915740bb
3 changed files with 26 additions and 23 deletions
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45
static/js/timerender.js
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@@ -113,50 +113,53 @@ function render_date_span(elem, rendered_time, rendered_time_above) {
// of this DOM node as HTML, so effectively a copy of the node. That's
// okay since to update the time later we look up the node by its id.)
exports.render_date = function (time, time_above, today) {
var id = "timerender" + next_timerender_id;
var className = "timerender" + next_timerender_id;
next_timerender_id += 1;
var rendered_time = exports.render_now(time, today);
var node = $("<span />").attr('id', id);
var node = $("<span />").attr('class', className);
if (time_above !== undefined) {
var rendered_time_above = exports.render_now(time_above, today);
node = render_date_span(node, rendered_time, rendered_time_above);
} else {
node = render_date_span(node, rendered_time);
}
maybe_add_update_list_entry(rendered_time.needs_update, id, time, time_above);
maybe_add_update_list_entry(rendered_time.needs_update, className, time, time_above);
return node;
};
// This isn't expected to be called externally except manually for
// testing purposes.
exports.update_timestamps = function () {
var time = new XDate();
if (time >= next_update) {
var now = new XDate();
if (now >= next_update) {
var to_process = update_list;
update_list = [];
_.each(to_process, function (elem) {
var id = elem[0];
var element = document.getElementById(id);
_.each(to_process, function (entry) {
var className = entry[0];
var elements = $('.' + className);
// The element might not exist any more (because it
// was in the zfilt table, or because we added
// messages above it and re-collapsed).
if (element !== null) {
var time = elem[1];
var time_above;
var rendered_time = exports.render_now(time);
if (elem.length === 3) {
time_above = elem[2];
var rendered_time_above = exports.render_now(time_above);
render_date_span($(element), rendered_time, rendered_time_above);
} else {
render_date_span($(element), rendered_time);
}
maybe_add_update_list_entry(rendered_time.needs_update, id, time, time_above);
if (elements !== null) {
_.each(elements, function (element) {
var time = entry[1];
var time_above;
var rendered_time = exports.render_now(time);
if (entry.length === 3) {
time_above = entry[2];
var rendered_time_above = exports.render_now(time_above);
render_date_span($(element), rendered_time, rendered_time_above);
} else {
render_date_span($(element), rendered_time);
}
maybe_add_update_list_entry(
rendered_time.needs_update, className, time, time_above);
});
}
});
next_update = set_to_start_of_day(time.clone().addDays(1));
next_update = set_to_start_of_day(now.clone().addDays(1));
}
};