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DiffusionBrowseFileController.php
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Mon, May 26, 03:45

DiffusionBrowseFileController.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.
*/
class DiffusionBrowseFileController extends DiffusionController {
public function processRequest() {
// Build the view selection form.
$select_map = array(
'highlighted' => 'View as Highlighted Text',
'blame' => 'View as Highlighted Text with Blame',
'plain' => 'View as Plain Text',
'plainblame' => 'View as Plain Text with Blame',
);
$request = $this->getRequest();
$selected = $request->getStr('view');
$select = '<select name="view">';
foreach ($select_map as $k => $v) {
$option = phutil_render_tag(
'option',
array(
'value' => $k,
'selected' => ($k == $selected) ? 'selected' : null,
),
phutil_escape_html($v));
$select .= $option;
}
$select .= '</select>';
$view_select_panel = new AphrontPanelView();
$view_select_form = phutil_render_tag(
'form',
array(
'action' => $request->getRequestURI(),
'method' => 'get',
'style' => 'display: inline',
),
$select.
'<button>view</button>');
$view_select_panel->appendChild($view_select_form);
// Build the content of the file.
$corpus = $this->buildCorpus($selected);
// Render the page.
$content = array();
$content[] = $this->buildCrumbs(
array(
'branch' => true,
'path' => true,
'view' => 'browse',
));
$content[] = $view_select_panel;
$content[] = $corpus;
$nav = $this->buildSideNav('browse', true);
$nav->appendChild($content);
return $this->buildStandardPageResponse(
$nav,
array(
'title' => 'Browse',
));
}
public static function renderRevision(
DiffusionRequest $drequest,
$revision) {
$callsign = $drequest->getCallsign();
$name = 'r'.$callsign.$revision;
return phutil_render_tag(
'a',
array(
'href' => '/'.$name,
),
$name
);
}
private function buildCorpus($selected) {
$blame = ($selected == 'blame' || $selected == 'plainblame');
$file_query = DiffusionFileContentQuery::newFromDiffusionRequest(
$this->diffusionRequest);
$file_query->setNeedsBlame($blame);
// TODO: image
// TODO: blame of blame.
switch ($selected) {
case 'plain':
case 'plainblame':
$style =
"margin: 1em 2em; width: 90%; height: 80em; font-family: monospace";
$corpus = phutil_render_tag(
'textarea',
array(
'style' => $style,
),
phutil_escape_html($file_query->getRawData()));
break;
case 'highlighted':
case 'blame':
default:
require_celerity_resource('syntax-highlighting-css');
require_celerity_resource('diffusion-source-css');
list($data, $blamedata, $revs) = $file_query->getTokenizedData();
$drequest = $this->getDiffusionRequest();
$path = $drequest->getPath();
$highlightEngine = new PhutilDefaultSyntaxHighlighterEngine();
$data = $highlightEngine->highlightSource($path, $data);
$data = explode("\n", rtrim($data));
$rows = $this->buildDisplayRows($data, $blame, $blamedata, $drequest,
$revs);
$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);
break;
}
return $corpus;
}
private static function buildDisplayRows($data, $blame, $blamedata, $drequest,
$revs) {
$last = null;
$color = null;
$rows = array();
$n = 1;
foreach ($data as $k => $line) {
if ($blame) {
if ($last == $blamedata[$k][0]) {
$blameinfo =
'<th style="background: '.$color.'; width: 9em;"></th>'.
'<th style="background: '.$color.'"></th>';
} else {
switch ($drequest->getRepository()->getVersionControlSystem()) {
case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
// TODO: better color for git.
$color = '#dddddd';
break;
case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
$color = sprintf(
'#%02xee%02x',
$revs[$blamedata[$k][0]],
$revs[$blamedata[$k][0]]);
break;
default:
throw new Exception('repository type not supported');
}
$revision_link = self::renderRevision(
$drequest,
$blamedata[$k][0]);
$author_link = $blamedata[$k][1];
$blameinfo =
'<th style="background: '.$color.
'; width: 9em;">'.$revision_link.'</th>'.
'<th style="background: '.$color.
'; font-weight: normal; color: #333;">'.$author_link.'</th>';
$last = $blamedata[$k][0];
}
} else {
$blameinfo = null;
}
if ($n == $drequest->getLine()) {
$tr = '<tr style="background: #ffff00;">';
$targ = '<a id="scroll_target"></a>';
Javelin::initBehavior('diffusion-jump-to',
array('target' => 'scroll_target'));
} else {
$tr = '<tr>';
$targ = null;
}
$uri_path = $drequest->getUriPath();
$uri_rev = $drequest->getCommit();
$l = phutil_render_tag(
'a',
array(
'href' => $uri_path.';'.$uri_rev.'$'.$n,
),
$n);
$rows[] = $tr.$blameinfo.'<th>'.$l.'</th><td>'.$targ.$line.'</td></tr>';
++$n;
}
return $rows;
}
}

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