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Improve display behavior of commit messages in Diffusion

Summary:
See T372. Always render commit messages on one display line, so the table
doesn't jump around as they AJAX in on browse views.

The goal here is to have the cell choose a size naturally and for its content to
render with "overflow: hidden" if the natural size isn't large enough to contain
the content. "white-space: pre" or "white-space: nowrap" would prevent wrapping
but potentially make the table exceed the display width when a better behavior
is to hide some of the commit message.

Also use utf8-aware shortening, now that we have a function for it.

Casting a wide net in case anyone has a better way to do the CSS here. It's kind
of nasty that we have to use so many DOM nodes.

Test Plan:
  - Resized window while viewing browse and history views in Safari, Chrome and
Firefox. Table exhibited described behavior.
  - Verified summaries render sensibly and are properly truncated to 100
characters.

Reviewed By: aran
Reviewers: aran, jungejason, tuomaspelkonen, tomo, mroch, cpojer
CC: aran, epriestley
Differential Revision: 750
This commit is contained in:
epriestley 2011-07-31 08:38:06 -07:00
parent 1048669158
commit 35d03d36c7
6 changed files with 44 additions and 4 deletions

View file

@ -57,7 +57,8 @@ final class DiffusionBrowseTableView extends DiffusionView {
} else {
$author = phutil_escape_html($data->getAuthorName());
}
$details = phutil_escape_html($data->getSummary());
$details = AphrontTableView::renderSingleDisplayLine(
phutil_escape_html($data->getSummary()));
} else {
$author = '';
$details = '';

View file

@ -77,7 +77,8 @@ final class DiffusionHistoryTableView extends DiffusionView {
$date,
$time,
$author,
phutil_escape_html($history->getSummary()),
AphrontTableView::renderSingleDisplayLine(
phutil_escape_html($history->getSummary())),
// TODO: etc etc
);
}
@ -101,7 +102,7 @@ final class DiffusionHistoryTableView extends DiffusionView {
'',
'right',
'',
'wide wrap',
'wide',
));
return $view->render();
}

View file

@ -38,7 +38,8 @@ class PhabricatorRepositoryCommitData extends PhabricatorRepositoryDAO {
$message = $this->getCommitMessage();
$lines = explode("\n", $message);
$summary = head($lines);
$summary = substr($summary, 0, self::SUMMARY_MAX_LENGTH);
$summary = phutil_utf8_shorten($summary, self::SUMMARY_MAX_LENGTH);
return $summary;
}

View file

@ -154,5 +154,29 @@ class AphrontTableView extends AphrontView {
$table[] = '</table>';
return implode('', $table);
}
public static function renderSingleDisplayLine($line) {
// TODO: Is there a cleaner way to do this? We use a relative div with
// overflow hidden to provide the bounds, and an absolute span with
// white-space: pre to prevent wrapping. We need to append a character
// (&nbsp; -- nonbreaking space) afterward to give the bounds div height
// (alternatively, we could hard-code the line height). This is gross but
// it's not clear that there's a better appraoch.
return phutil_render_tag(
'div',
array(
'class' => 'single-display-line-bounds',
),
phutil_render_tag(
'span',
array(
'class' => 'single-display-line-content',
),
$line).'&nbsp;');
}
}

View file

@ -9,6 +9,7 @@
phutil_require_module('phabricator', 'infrastructure/celerity/api');
phutil_require_module('phabricator', 'view/base');
phutil_require_module('phutil', 'markup');
phutil_require_module('phutil', 'utils');

View file

@ -74,6 +74,17 @@
white-space: normal;
}
div.single-display-line-bounds {
width: 100%;
position: relative;
overflow: hidden;
}
span.single-display-line-content {
white-space: pre;
position: absolute;
}
.aphront-table-view tr.highlighted {
background: #ffff99;
}
@ -94,3 +105,4 @@
max-width: 64px;
max-height: 64px;
}