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PhabricatorPasteViewController.php
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Sat, Nov 30, 04:19

PhabricatorPasteViewController.php
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<?php
/*
* Copyright 2012 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 PhabricatorPasteViewController extends PhabricatorPasteController {
private $id;
public function willProcessRequest(array $data) {
$this->id = $data['id'];
}
public function processRequest() {
$request = $this->getRequest();
$user = $request->getUser();
$paste = id(new PhabricatorPasteQuery())
->setViewer($user)
->withPasteIDs(array($this->id))
->executeOne();
if (!$paste) {
return new Aphront404Response();
}
$file = id(new PhabricatorFile())->loadOneWhere(
'phid = %s',
$paste->getFilePHID());
if (!$file) {
return new Aphront400Response();
}
$corpus = $this->buildCorpus($paste, $file);
$paste_panel = new AphrontPanelView();
if (strlen($paste->getTitle())) {
$paste_panel->setHeader(
'Viewing Paste '.$paste->getID().' - '.
phutil_escape_html($paste->getTitle()));
} else {
$paste_panel->setHeader('Viewing Paste '.$paste->getID());
}
$paste_panel->setWidth(AphrontPanelView::WIDTH_FULL);
$paste_panel->addButton(
phutil_render_tag(
'a',
array(
'href' => '/paste/?fork='.$paste->getID(),
'class' => 'green button',
),
'Fork This'));
$raw_uri = $file->getBestURI();
$paste_panel->addButton(
phutil_render_tag(
'a',
array(
'href' => $raw_uri,
'class' => 'button',
),
'View Raw Text'));
$paste_panel->appendChild($corpus);
$forks_panel = null;
$forks_of_this_paste = id(new PhabricatorPaste())->loadAllWhere(
'parentPHID = %s',
$paste->getPHID());
if ($forks_of_this_paste) {
$forks_panel = new AphrontPanelView();
$forks_panel->setHeader("Forks of this paste");
$forks = array();
foreach ($forks_of_this_paste as $fork) {
$forks[] = array(
$fork->getID(),
phutil_render_tag(
'a',
array(
'href' => '/P'.$fork->getID(),
),
phutil_escape_html($fork->getTitle())
)
);
}
$forks_table = new AphrontTableView($forks);
$forks_table->setHeaders(
array(
'Paste ID',
'Title',
)
);
$forks_table->setColumnClasses(
array(
null,
'wide pri',
)
);
$forks_panel->appendChild($forks_table);
}
return $this->buildStandardPageResponse(
array(
$paste_panel,
$forks_panel,
),
array(
'title' => 'Paste: '.nonempty($paste->getTitle(), 'P'.$paste->getID()),
'tab' => 'view',
));
}
private function buildCorpus($paste, $file) {
// Blantently copied from DiffusionBrowseFileController
require_celerity_resource('diffusion-source-css');
require_celerity_resource('syntax-highlighting-css');
$language = $paste->getLanguage();
$source = $file->loadFileData();
if (empty($language)) {
$source = PhabricatorSyntaxHighlighter::highlightWithFilename(
$paste->getTitle(),
$source);
} else {
$source = PhabricatorSyntaxHighlighter::highlightWithLanguage(
$language,
$source);
}
$text_list = explode("\n", $source);
Javelin::initBehavior('phabricator-oncopy', array());
$rows = $this->buildDisplayRows($text_list);
// TODO: Split the "one-up source listing" view into its own class and
// share it properly between Paste and Diffusion.
$corpus_table = phutil_render_tag(
'table',
array(
'class' => 'diffusion-source remarkup-code PhabricatorMonospaced',
),
implode("\n", $rows));
$corpus = phutil_render_tag(
'div',
array(
'style' => 'padding: 0pt 2em;',
),
$corpus_table);
return $corpus;
}
private function buildDisplayRows($text_list) {
$rows = array();
$n = 1;
foreach ($text_list as $k => $line) {
// Pardon the ugly for the time being.
// And eventually this will highlight a line that you click
// like diffusion does. Or maybe allow for line comments
// like differential. Either way it will be better than it is now.
$anchor = 'L'.$n;
$link = phutil_render_tag(
'a',
array(
'name' => $anchor,
'href' => '#'.$anchor,
),
$n);
$link = phutil_render_tag(
'th',
array(
'class' => 'diffusion-line-link',
),
$link);
$rows[] = '<tr id="'.$anchor.'">'.$link.
'<td style="white-space: pre-wrap;">'.
// NOTE: See the 'phabricator-oncopy' behavior.
"\xE2\x80\x8B".
$line.'</td></tr>';
++$n;
}
return $rows;
}
}

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