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<?php |
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namespace SilverStripe\Subsites\Service; |
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use SilverStripe\Core\Config\Configurable; |
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use SilverStripe\Core\Injector\Injectable; |
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use SilverStripe\Subsites\Model\Subsite; |
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use SilverStripe\View\SSViewer; |
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class ThemeResolver |
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{ |
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use Injectable; |
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use Configurable; |
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/** |
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* Cascading definitions for themes, keyed by the name they should appear under in the CMS. For example: |
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* |
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* [ |
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* 'theme-1' => [ |
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* '$public', |
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* 'starter', |
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* '$default', |
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* ], |
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* 'theme-2' => [ |
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* 'custom', |
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* 'watea', |
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* 'starter', |
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* '$public', |
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* '$default', |
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* ] |
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* ] |
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* |
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* @config |
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* @var null|array[] |
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*/ |
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private static $theme_options; |
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/** |
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* Get the list of themes for the given sub site that can be given to SSViewer::set_themes |
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* |
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* @param Subsite $site |
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* @return array |
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*/ |
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public function getThemeList(Subsite $site) |
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{ |
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$themes = array_values(SSViewer::get_themes()); |
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$siteTheme = $site->Theme; |
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if (!$siteTheme) { |
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return $themes; |
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} |
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$customOptions = $this->config()->get('theme_options'); |
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if ($customOptions && isset($customOptions[$siteTheme])) { |
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return $customOptions[$siteTheme]; |
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} |
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// Ensure themes don't cascade "up" the list |
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$index = array_search($siteTheme, $themes); |
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if ($index > 0) { |
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// 4.0 didn't have support for themes in the public webroot |
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$constant = SSViewer::class . '::PUBLIC_THEME'; |
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$publicConstantDefined = defined($constant); |
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// Check if the default is public themes |
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$publicDefault = $publicConstantDefined && $themes[0] === SSViewer::PUBLIC_THEME; |
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// Take only those that appear after theme chosen (non-inclusive) |
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$themes = array_slice($themes, $index + 1); |
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// Add back in public |
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if ($publicDefault) { |
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array_unshift($themes, SSViewer::PUBLIC_THEME); |
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} |
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} |
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// Add our theme |
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array_unshift($themes, $siteTheme); |
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return $themes; |
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} |
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/** |
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* Get a list of custom cascading theme definitions if available |
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* |
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* @return null|array |
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*/ |
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public function getCustomThemeOptions() |
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{ |
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$config = $this->config()->get('theme_options'); |
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if (!$config) { |
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return null; |
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} |
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return array_keys($config); |
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} |
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} |
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silverstripe /
silverstripe-subsites
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