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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2009 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class Gallery_View_Core extends View {
protected $theme_name = null;
protected $scripts = array();
/**
* Add a script to the combined scripts list.
* @param $file the relative path to a script from the gallery3 directory
*/
public function script($file) {
$this->scripts[$file] = 1;
}
/**
* Add a script to the combined scripts list.
* @param $file the relative path to a script from the base of the active theme
* @param
*/
public function theme_script($file) {
$file = "themes/{$this->theme_name}/$file";
$this->scripts[$file] = 1;
}
/**
* Provide a url to a resource within the current theme. This allows us to refer to theme
* resources without naming the theme itself which makes themes easier to copy.
*/
public function theme_url($path, $absolute_url=false) {
$arg = "themes/{$this->theme_name}/$path";
return $absolute_url ? url::abs_file($arg) : url::file($arg);
}
/**
* Combine a series of Javascript files into a single one and cache it in the database, then
* return a single <script> element to refer to it.
*/
protected function combine_script() {
$links = array();
$key = "";
foreach (array_keys($this->scripts) as $file) {
$path = DOCROOT . $file;
if (file_exists($path)) {
$stats = stat($path);
$links[] = $path;
// 7 == size, 9 == mtime, see http://php.net/stat
$key = "{$key}$file $stats[7] $stats[9],";
} else {
Kohana::log("alert", "Javascript file missing: " . $file);
}
}
$key = md5($key);
$cache = Cache::instance();
$contents = $cache->get($key);
if (empty($contents)) {
$contents = "";
foreach ($links as $link) {
$contents .= file_get_contents($link);
}
$cache->set($key, $contents, array("javascript"), 30 * 84600);
if (function_exists("gzencode")) {
$cache->set("{$key}_gz", gzencode($contents, 9, FORCE_GZIP),
array("javascript", "gzip"), 30 * 84600);
}
}
// Handcraft the script link because html::script will add a .js extenstion
return "<script type=\"text/javascript\" src=\"" . url::site("combined/javascript/$key") .
"\"></script>";
}
}
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