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phab/webroot/rsrc/js/application/differential/behavior-toggle-files.js
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behavior-toggle-files.js
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/**
* @provides javelin-behavior-differential-toggle-files
* @requires javelin-behavior
* javelin-dom
* javelin-stratcom
* phabricator-phtize
*/
JX.behavior('differential-toggle-files', function(config) {
var pht = JX.phtize(config.pht);
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);
JX.DOM.remove(data.undo);
data.undo = null;
} else {
data.hidden = true;
data.undo = render_collapse_undo();
JX.DOM.hide(diff);
JX.DOM.listen(
data.undo,
'click',
'differential-collapse-undo',
function(e) {
e.kill();
data.hidden = false;
JX.DOM.show(diff);
JX.DOM.remove(data.undo);
data.undo = null;
});
JX.DOM.appendContent(diff.parentNode, data.undo);
}
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 || !id.match(/^#.+/)) {
return;
}
var raw = e.getRawEvent();
if (raw.altKey || raw.ctrlKey || raw.metaKey || raw.shiftKey) {
return;
}
// The target may have either a matching name or a matching id.
var target;
try {
target = JX.$(id.substr(1));
} catch(err) {
var named = document.getElementsByName(id.substr(1));
for (var i = 0; i < named.length; ++i) {
if (named[i].tagName.toLowerCase() == 'a') {
if (target) {
return;
}
target = named[i];
}
}
if (!target) {
return;
}
}
var event = JX.Stratcom.invoke('differential-toggle-file-request', null, {
element: target
});
if (!event.getPrevented()) {
// This event is processed after the hash has changed, so it doesn't
// automatically jump there like we want.
JX.DOM.scrollTo(target);
}
});
var render_collapse_undo = function() {
var link = JX.$N(
'a',
{href: '#', sigil: 'differential-collapse-undo'},
pht('undo'));
return JX.$N(
'div',
{className: 'differential-collapse-undo',
sigil: 'differential-collapse-undo-div'},
[pht('collapsed'), ' ', link]);
};
});
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