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phorge-phorge/webroot/rsrc/js/application/differential/behavior-toggle-files.js
vrana 269a151f7a Jump back to original place on traversing history
Summary: If I click on some file in ToC and then go back in browser history then it currently does nothing.

Test Plan: Collapsed file, jumped on it in ToC, collapsed it again, jumped to inline comment in it, went back in history.

Reviewers: alanh

Reviewed By: alanh

CC: aran, epriestley

Differential Revision: https://secure.phabricator.com/D3328
2012-08-17 16:51:15 -07:00

92 lines
2.4 KiB
JavaScript

/**
* @provides javelin-behavior-differential-toggle-files
* @requires javelin-behavior
* javelin-dom
* javelin-stratcom
*/
JX.behavior('differential-toggle-files', function(config) {
JX.Stratcom.listen(
'differential-toggle-file',
null,
function(e) {
if (e.getData().diff.length != 1) {
return;
}
var diff = e.getData().diff[0],
data = JX.Stratcom.getData(diff);
if(data.hidden) {
data.hidden = false;
JX.DOM.show(diff);
} else {
data.hidden = true;
JX.DOM.hide(diff);
}
JX.Stratcom.invoke('differential-toggle-file-toggled');
});
JX.Stratcom.listen(
'differential-toggle-file-request',
null,
function(e) {
var elt = e.getData().element;
while (elt !== document.body) {
if (JX.Stratcom.hasSigil(elt, 'differential-changeset')) {
var diffs = JX.DOM.scry(elt, 'table', 'differential-diff');
var invoked = false;
for (var i = 0; i < diffs.length; ++i) {
if (JX.Stratcom.getData(diffs[i]).hidden) {
JX.Stratcom.invoke('differential-toggle-file', null, {
diff: [ diffs[i] ]
});
invoked = true;
}
}
if (!invoked) {
e.prevent();
}
return;
}
elt = elt.parentNode;
}
e.prevent();
});
JX.Stratcom.listen(
'click',
'tag:a',
function(e) {
var link = e.getNode('tag:a');
var id = link.getAttribute('href');
if (!id.match(/^#.+/)) {
return;
}
// The target may have either a matching name or a matching id.
var target;
try {
target = JX.$(id.substr(1));
} catch(err) {
var named = document.getElementsByName(id.substr(1));
for (var i = 0; i < named.length; ++i) {
if (named[i].tagName.toLowerCase() == 'a') {
if (target) {
return;
}
target = named[i];
}
}
if (!target) {
return;
}
}
var event = JX.Stratcom.invoke('differential-toggle-file-request', null, {
element: target
});
if (!event.getPrevented()) {
// This event is processed after the hash has changed, so it doesn't
// automatically jump there like we want.
JX.DOM.scrollTo(target);
}
});
});