'repoview',
'title' => t('Repositories'),
'callback' => 'drupal_get_form',
'callback arguments' => array('repoview_selection_form'),
'access' => $browse_access,
'type' => MENU_SUGGESTED_ITEM,
);
}
else {
$repositories = versioncontrol_get_repositories();
foreach ($repositories as $repo_id => $repository) {
$supports_browsing = _repoview_repository_supports_browsing($repository);
$items[] = array(
'path' => 'repoview/'. $repo_id,
'title' => t('@reponame', array('@reponame' => $repository['name'])),
'callback' => 'drupal_get_form',
'callback arguments' => array('repoview_browser_form', $repository),
'access' => $browse_access && $supports_browsing,
'type' => MENU_CALLBACK,
);
}
}
return $items;
}
/**
* Implementation of hook_perm().
*/
function repoview_perm() {
return array('browse version control repositories');
}
/**
* Function to determine if a VCS backend provides enough functionality
* to support browsing.
*/
function _repoview_repository_supports_browsing($repository) {
$vcs = $repository['vcs'];
return versioncontrol_backend_implements($vcs, 'get_item')
&& versioncontrol_backend_implements($vcs, 'get_directory_contents')
&& versioncontrol_backend_implements($vcs, 'get_file_copy');
}
/**
* Return the URL for viewing a given item with repoview.
*/
function repoview_item_url($repository, $item) {
return 'repoview/'. $repository['repo_id'] . drupal_urlencode($item['path']);
}
/**
* Form callback for the "repoview" menu path.
*/
function repoview_selection_form() {
$form = array();
$repositories = versioncontrol_get_repositories();
foreach ($repositories as $repo_id => $repository) {
if (!_repoview_repository_supports_browsing($repository)) {
unset($repositories[$repo_id]);
}
}
if (empty($repositories)) {
$form['empty'] = array(
'#value' => ''. t('No repositories available to browse.') .'
',
);
return $form;
}
if (count($repositories) == 1) {
$only_repo = reset($repositories);
drupal_goto('repoview/'. $only_repo['repo_id']);
}
$header = array('');
$rows = array();
foreach ($repositories as $repo_id => $repository) {
$rows[] = array(l($repository['name'], 'repoview/'. $repo_id));
}
$form['table'] = array(
'#value' => theme('table', $header, $rows),
);
return $form;
}
/**
* Form callback for the "repoview/$repo_id[/...]" menu path.
*/
function repoview_browser_form($repository) {
$args = func_get_args();
array_shift($args); // shift away the repository, we're interested in the rest
$path = '/'. join('/', $args);
$item = versioncontrol_get_item($repository, $path);
_repoview_breadcrumb($repository, $path);
if (empty($item)) {
drupal_set_title(check_plain(basename($path)));
$form['empty'] = array(
'#value' => ''. t('File or directory doesn\'t exist at this revision, or doesn\'t exist at all.') .'
',
);
return $form;
}
drupal_set_title(_repoview_title($repository, $item));
drupal_add_css(drupal_get_path('module', 'repoview') .'/repoview.css');
if (versioncontrol_is_directory_item($item)) {
return repoview_directory_contents_form($repository, $item);
}
return repoview_file_contents_form($repository, $item);
}
/**
* Retrieve the title for the page showing the given item. The result of this
* function is supposed to be passed to drupal_set_title() as is.
*/
function _repoview_title($repository, $item) {
if ($item['path'] == '/') {
return check_plain($repository['name']);
}
return check_plain(basename($item['path']));
}
/**
* Form callback for "repoview/$repo_id[/...]" if the path is a directory item.
*/
function repoview_directory_contents_form($repository, $dir_item) {
$form = array();
$children = versioncontrol_get_directory_contents($repository, $dir_item);
if (!isset($children)) {
$form['empty'] = array(
'#value' => ''. t('Unable to fetch directory contents.') .'
',
);
return $form;
}
unset($children[$dir_item['path']]);
$children = _repoview_item_listing_sort($children);
$header = array(t('File'), t('Rev.'), t('Author'), t('Age'), t('Message'));
$rows = array();
if ($dir_item['path'] != '/') {
$parent_item = versioncontrol_get_parent_item($repository, $dir_item);
$item_url = repoview_item_url($repository, $parent_item);
// First column: image.
$image = theme('image', drupal_get_path('module', 'repoview') .'/icons/folder-parent.png');
$image_link = l($image, $item_url, array(), NULL, NULL, FALSE,
TRUE /* $image is checked HTML */);
$image = ''. $image_link .'
';
// Second column: directory name.
$item_link = l(''. t('Parent directory') .'', $item_url,
array(), NULL, NULL, FALSE, TRUE /* label is checked HTML */);
// Rest of the columns (even easier).
$rows[] = array(
''. $image . $item_link .'
',
'', '', '', ''
);
}
if (empty($children)) {
$rows[] = array(t('Directory is empty.'), '', '', '', '');
}
else {
versioncontrol_fetch_item_commit_operations($repository, $children);
foreach ($children as $path => $item) {
// First & second column: icon & file/directory name.
$name = check_plain(basename($item['path']));
$item_url = repoview_item_url($repository, $item);
if (versioncontrol_is_directory_item($item)) {
$image = theme('image', drupal_get_path('module', 'repoview') .'/icons/folder.png');
$name = ''. $name .'/';
}
else {
$image = theme('image', drupal_get_path('module', 'repoview') .'/icons/application-octet-stream.png');
}
$image_link = l($image, $item_url, array(), NULL, NULL, FALSE,
TRUE /* $image is checked HTML */);
$image = ''. $image_link .'
';
$item_link = l($name, $item_url, array(), NULL, NULL, FALSE,
TRUE /* $name is checked HTML */);
// Author and commit message columns.
if (empty($item['commit_operation'])) {
$author = '';
$age = '';
$message = '';
}
else {
$operation = $item['commit_operation'];
$author = theme('versioncontrol_account_username',
$operation['uid'], $operation['username'], $repository, FALSE
);
$age = t('!time ago', array(
'!time' => format_interval(time() - $operation['date'], 1),
));
if (strlen($operation['message']) <= 60) {
$message = check_plain($operation['message']);
}
else {
$tooltip = check_plain($operation['message']);
$message = check_plain(substr($operation['message'], 0, 57)) .'...';
$message = ''. $message .'';
}
}
// Combine all of these texts into a single row.
$rows[] = array(
''. $image . $item_link .'
',
check_plain($item['revision']), $author, $age, $message,
);
}
}
$form['listing'] = array(
'#value' => theme('table', $header, $rows),
);
return $form;
}
/**
* Sort items by type (directories before files), then name (alphabetically).
*/
function _repoview_item_listing_sort($items) {
$dirs = array();
$files = array();
foreach ($items as $path => $item) {
if (versioncontrol_is_directory_item($item)) {
$dirs[$path] = $item;
}
else {
$files[$path] = $item;
}
}
ksort($dirs);
ksort($files);
return array_merge($dirs, $files);
}
/**
* Set the breadcrumb according to the given repository and path.
*/
function _repoview_breadcrumb($repository, $path) {
if ($path == '/') {
return; // no need to change the breadcrumb, it's already correct
}
$breadcrumb = drupal_get_breadcrumb();
$parts = explode('/', $path);
array_pop($parts); // don't include the last name, we're currently viewing it
$path = '';
foreach ($parts as $part) {
$title = empty($part) ? $repository['name'] : $part;
$path .= $part .'/';
$breadcrumb[] = l($title, 'repoview/'. $repository['repo_id'] . rtrim($path, '/'));
}
drupal_set_breadcrumb($breadcrumb);
}
/**
* Form callback for "repoview/$repo_id[/...]" if the path is a file item.
*/
function repoview_file_contents_form($repository, $file_item, $force_download = FALSE) {
$form = array();
$filepath = versioncontrol_get_file_copy($repository, $file_item);
if (empty($filepath)) {
$form['error'] = array(
'#value' => ''. t('Error accessing the file.') .'
',
);
return $form;
}
// Retrieve the mimetype of the file - if possible, because that function is
// deprecated and the fileinfo PECL extension seems not to be built into
// PHP 5 at least.
if (function_exists('mime_content_type')) {
$mimetype = mime_content_type($filepath);
}
$is_text = $is_image = FALSE;
if (isset($mimetype) && (strpos($mimetype, 'text/') !== FALSE)) {
$is_text = TRUE;
}
if (isset($mimetype) && in_array($mimetype, array('image/png', 'image/jpeg', 'image/gif'))) {
$is_image = TRUE;
}
// We don't want to show normal binary files, let's just transfer them as is.
if ($force_download || (!$is_text /*&& !$is_image ...later */)) {
// Also, make sure we delete the file even if file_transfer() exits.
register_shutdown_function('_repoview_delete_file_copy', $filepath);
// Transfer the file!
$headers = array(
'Content-Type: '. mime_header_encode($mimetype),
'Content-Length: '. filesize($filepath),
// Force file download and set the default target filename.
'Content-Disposition: attachment; filename="'. basename($file_item['path']) .'";',
);
file_transfer($filepath, $headers);
// exit(); -- called by file_transfer()
}
if ($is_text) {
// Cool, it's a text file. Let's display it in a nice table with a row
// for each line. (repoview.css makes sure it looks nice.)
$lines = file($filepath);
_repoview_delete_file_copy($filepath);
$linecount = 1;
$line_numbers = '';
$content = '';
$header = array();
$rows = array();
foreach ($lines as $line) {
$rows[] = array(
''. $linecount .'
',
''. trim(check_plain($line), "\n\r") .'
'
);
++$linecount;
}
$contents = theme('table', $header, $rows, $attributes);
$contents = ''. $contents .'
';
}
else if ($is_image) {
// add a link to this same function with $force_download == TRUE,
// i.e. same path with 'view=download' query attribute (right?).
}
$form['contents'] = array(
'#value' => ''. $contents .'
',
);
return $form;
}
/**
* Registered shutdown function, called after the request has ended:
* Delete the file copy that versioncontrol_get_file_copy() had created.
*/
function _repoview_delete_file_copy($file_path) {
@unlink($file_path);
}