* Allow users to easily overrides colors of the default theme.
*/
+use Shaarli\Config\ConfigManager;
use Shaarli\Plugin\PluginManager;
const DEFAULT_COLORS_PLACEHOLDERS = [
'DEFAULT_COLORS_DARK_MAIN',
];
+const DEFAULT_COLORS_CSS_FILE = '/default_colors/default_colors.css';
+
/**
- * When plugin parameters are saved
+ * Display an error if the plugin is active a no color is configured.
+ *
+ * @param $conf ConfigManager instance
+ *
+ * @return array|null The errors array or null of there is none.
*/
-function hook_default_colors_save_plugin_parameters($data)
+function default_colors_init($conf)
{
- $file = PluginManager::$PLUGINS_PATH . '/default_colors/default_colors.css';
- $template = file_get_contents(PluginManager::$PLUGINS_PATH . '/default_colors/default_colors.css.template');
- $content = '';
- foreach (DEFAULT_COLORS_PLACEHOLDERS as $rule) {
- $content .= ! empty($data[$rule])
- ? default_colors_format_css_rule($data, $rule) .';'. PHP_EOL
- : '';
+ $params = [];
+ foreach (DEFAULT_COLORS_PLACEHOLDERS as $placeholder) {
+ $value = trim($conf->get('plugins.'. $placeholder, ''));
+ if (strlen($value) > 0) {
+ $params[$placeholder] = $value;
+ }
+ }
+
+ if (empty($params)) {
+ $error = t('Default colors plugin error: '.
+ 'This plugin is active and no custom color is configured.');
+ return [$error];
+ }
+
+ // Colors are defined but the custom CSS file does not exist -> generate it
+ if (!file_exists(PluginManager::$PLUGINS_PATH . DEFAULT_COLORS_CSS_FILE)) {
+ default_colors_generate_css_file($params);
}
- file_put_contents($file, sprintf($template, $content));
- return $data;
}
/**
- * When linklist is displayed, include isso CSS file.
+ * When linklist is displayed, include default_colors CSS file.
*
* @param array $data - header data.
*
- * @return mixed - header data with isso CSS file added.
+ * @return mixed - header data with default_colors CSS file added.
*/
function hook_default_colors_render_includes($data)
{
}
/**
- * This function is never called, but contains translation calls for GNU gettext extraction.
+ * Regenerate the custom CSS file with provided settings.
+ *
+ * @param array $params Plugin configuration (CSS rules)
*/
-function default_colors_translation()
+function default_colors_generate_css_file($params): void
{
- // meta
- t('Override default theme colors. Use any CSS valid color.');
- t('Main color (navbar green)');
- t('Background color (light grey)');
- t('Dark main color (e.g. visited links)');
+ $file = PluginManager::$PLUGINS_PATH . '/default_colors/default_colors.css';
+ $template = file_get_contents(PluginManager::$PLUGINS_PATH . '/default_colors/default_colors.css.template');
+ $content = '';
+ foreach (DEFAULT_COLORS_PLACEHOLDERS as $rule) {
+ $content .= !empty($params[$rule])
+ ? default_colors_format_css_rule($params, $rule) .';'. PHP_EOL
+ : '';
+ }
+
+ if (! empty($content)) {
+ file_put_contents($file, sprintf($template, $content));
+ }
}
+/**
+ * Create a valid CSS rule from parameters settings and plugin parameter.
+ *
+ * @param array $data $_POST array
+ * @param string $parameter Plugin parameter name
+ *
+ * @return string CSS rules for the provided parameter and its matching value.
+ */
function default_colors_format_css_rule($data, $parameter)
{
+ if (empty($data[$parameter])) {
+ return '';
+ }
+
$key = str_replace('DEFAULT_COLORS_', '', $parameter);
$key = str_replace('_', '-', strtolower($key)) .'-color';
return ' --'. $key .': '. $data[$parameter];
}
+
+
+/**
+ * This function is never called, but contains translation calls for GNU gettext extraction.
+ */
+function default_colors_translation()
+{
+ // meta
+ t('Override default theme colors. Use any CSS valid color.');
+ t('Main color (navbar green)');
+ t('Background color (light grey)');
+ t('Dark main color (e.g. visited links)');
+}