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phab/src/applications/differential/view/revisioncommentlist/DifferentialRevisionCommentListView.php
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DifferentialRevisionCommentListView.php
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<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
final class DifferentialRevisionCommentListView extends AphrontView {
private $comments;
private $handles;
private $inlines;
private $changesets;
private $user;
private $target;
public function setComments(array $comments) {
$this->comments = $comments;
return $this;
}
public function setInlineComments(array $inline_comments) {
$this->inlines = $inline_comments;
return $this;
}
public function setHandles(array $handles) {
$this->handles = $handles;
return $this;
}
public function setChangesets(array $changesets) {
$this->changesets = $changesets;
return $this;
}
public function setUser(PhabricatorUser $user) {
$this->user = $user;
return $this;
}
public function setTargetDiff(DifferentialDiff $target) {
$this->target = $target;
}
public function render() {
require_celerity_resource('differential-revision-comment-list-css');
$factory = new DifferentialMarkupEngineFactory();
$engine = $factory->newDifferentialCommentMarkupEngine();
$inlines = mgroup($this->inlines, 'getCommentID');
$num = 1;
$html = array();
foreach ($this->comments as $comment) {
$view = new DifferentialRevisionCommentView();
$view->setComment($comment);
$view->setUser($this->user);
$view->setHandles($this->handles);
$view->setMarkupEngine($engine);
$view->setInlineComments(idx($inlines, $comment->getID(), array()));
$view->setChangesets($this->changesets);
$view->setTargetDiff($this->target);
$view->setCommentNumber($num++);
$html[] = $view->render();
}
$objs = array_reverse(array_values($this->comments));
$html = array_reverse(array_values($html));
$user = $this->user;
$last_comment = null;
// Find the most recent comment by the viewer.
foreach ($objs as $position => $comment) {
if ($user && ($comment->getAuthorPHID() == $user->getPHID())) {
if ($last_comment === null) {
$last_comment = $position;
} else if ($last_comment == $position - 1) {
// If the viewer made several comments in a row, show them all. This
// is a spaz rule for epriestley.
$last_comment = $position;
}
}
}
$header = array();
$hidden = array();
if ($last_comment !== null) {
foreach ($objs as $position => $comment) {
if (!$comment->getID()) {
// These are synthetic comments with summary/test plan information.
$header[] = $html[$position];
unset($html[$position]);
continue;
}
if ($position <= $last_comment) {
// Always show comments after the viewer's last comment.
continue;
}
if ($position < 3) {
// Always show the 3 most recent comments.
continue;
}
$hidden[] = $position;
}
}
if (count($hidden) <= 3) {
// Don't hide if there's not much to hide.
$hidden = array();
}
$header = array_reverse($header);
$hidden = array_select_keys($html, $hidden);
$visible = array_diff_key($html, $hidden);
$hidden = array_reverse($hidden);
$visible = array_reverse($visible);
if ($hidden) {
Javelin::initBehavior(
'differential-show-all-comments',
array(
'markup' => implode("\n", $hidden),
));
$hidden = javelin_render_tag(
'div',
array(
'sigil' => "differential-all-comments-container",
),
'<div class="differential-older-comments-are-hidden">'.
number_format(count($hidden)).' older comments are hidden. '.
javelin_render_tag(
'a',
array(
'href' => '#',
'mustcapture' => true,
'sigil' => 'differential-show-all-comments',
),
'Show all comments.').
'</div>');
} else {
$hidden = null;
}
return
'<div class="differential-comment-list">'.
implode("\n", $header).
$hidden.
implode("\n", $visible).
'</div>';
}
}
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