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cmd/cover: allow part selection to be retained across page refreshes

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Usually, you are primarily interested to see the coverage of a particular
file (e.g. when you're changing tests that affects a given source file),
it is very valuable if you can just refresh the page and immediately see
changes to the part you're already looking at (without selecting from the
selector again.)

Change-Id: I615207c9be6713f436e444771134fceaf4600ff3
Reviewed-on: https://go-review.googlesource.com/17238
Run-TryBot: Minux Ma <minux@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Andrew Gerrand <adg@golang.org>
This commit is contained in:
Shenghou Ma 2015-11-26 17:45:09 -05:00 committed by Minux Ma
parent adf4c38b6e
commit 98abf2937e
1 changed files with 19 additions and 5 deletions
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22
src/cmd/cover/html.go
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@ -258,21 +258,35 @@ const tmplHTML = `
</div>
<div id="content">
{{range $i, $f := .Files}}
<pre class="file" id="file{{$i}}" {{if $i}}style="display: none"{{end}}>{{$f.Body}}</pre>
<pre class="file" id="file{{$i}}" style="display: none">{{$f.Body}}</pre>
{{end}}
</div>
</body>
<script>
(function() {
var files = document.getElementById('files');
var visible = document.getElementById('file0');
var visible;
files.addEventListener('change', onChange, false);
function onChange() {
function select(part) {
if (visible)
visible.style.display = 'none';
visible = document.getElementById(files.value);
visible = document.getElementById(part);
if (!visible)
return;
files.value = part;
visible.style.display = 'block';
location.hash = part;
}
function onChange() {
select(files.value);
window.scrollTo(0, 0);
}
if (location.hash != "") {
select(location.hash.substr(1));
}
if (!visible) {
select("file0");
}
})();
</script>
</html>