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95 lines
2.8 KiB
95 lines
2.8 KiB
13 years ago
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<?php
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/**
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* ThemeManager class file.
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*
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* @link http://www.yiiframework.com/
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* @copyright Copyright © 2008-2012 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\base;
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/**
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* ThemeManager manages the themes for the Web application.
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*
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* A theme is a collection of view/layout files and resource files
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* (e.g. css, image, js files). When a theme is active, {@link CController}
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* will look for the specified view/layout under the theme folder first.
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* The corresponding view/layout files will be used if the theme provides them.
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* Otherwise, the default view/layout files will be used.
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*
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* By default, each theme is organized as a directory whose name is the theme name.
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* All themes are located under the "WebRootPath/themes" directory.
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*
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* To activate a theme, set the {@link CWebApplication::setTheme theme} property
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* to be the name of that theme.
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*
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* Since a self-contained theme often contains resource files that are made
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* Web accessible, please make sure the view/layout files are protected from Web access.
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*
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* @property array $themeNames List of available theme names.
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* @property string $basePath The base path for all themes. Defaults to "WebRootPath/themes".
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* @property string $baseUrl The base URL for all themes. Defaults to "/WebRoot/themes".
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @since 2.0
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*/
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class ThemeManager extends ApplicationComponent
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{
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/**
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* default themes base path
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*/
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const DEFAULT_BASEPATH = 'themes';
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/**
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* @var string the name of the theme class for representing a theme.
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* Defaults to {@link Theme}. This can also be a class name in dot syntax.
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*/
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public $themeClass = 'Theme';
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/**
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* @var string the base path containing all themes. Defaults to '@entry/themes'.
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*/
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public $basePath = '@entry/themes';
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/**
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* @var string the base URL for all themes. Defaults to "@www/themes".
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*/
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public $baseUrl = '@www/themes';
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/**
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* @param string $name name of the theme to be retrieved
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* @return Theme the theme retrieved. Null if the theme does not exist.
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*/
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public function getTheme($name)
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{
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$themePath = $this->getBasePath() . DIRECTORY_SEPARATOR . $name;
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if (is_dir($themePath)) {
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$class = Yii::import($this->themeClass, true);
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return new $class($name, $themePath, $this->getBaseUrl() . '/' . $name);
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} else {
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return null;
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}
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}
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/**
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* @return array list of available theme names
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*/
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public function getThemeNames()
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{
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static $themes;
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if ($themes === null) {
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$themes = array();
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$basePath = $this->getBasePath();
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$folder = @opendir($basePath);
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while (($file = @readdir($folder)) !== false) {
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if ($file !== '.' && $file !== '..' && $file !== '.svn' && $file !== '.gitignore' && is_dir($basePath . DIRECTORY_SEPARATOR . $file)) {
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$themes[] = $file;
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}
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}
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closedir($folder);
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sort($themes);
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}
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return $themes;
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}
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}
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