#225 Allow element plugins to control if they can be added
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2 changed files with 15 additions and 2 deletions
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@ -352,6 +352,16 @@ abstract class element {
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return true;
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}
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/**
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* This defines if an element plugin can be added to a certificate.
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* Can be overridden if an element plugin wants to take over the control.
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*
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* @return bool returns true if the element can be added, false otherwise
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*/
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public static function allow_add() {
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return true;
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}
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/**
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* Handles rendering the element on the pdf.
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*
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@ -412,8 +412,11 @@ class element_helper {
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$classname = '\\customcertelement_' . $foldername . '\\element';
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// Ensure the necessary class exists.
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if (class_exists($classname)) {
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$component = "customcertelement_{$foldername}";
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$options[$foldername] = get_string('pluginname', $component);
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// Additionally, check if the user is allowed to add the element at all.
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if ($classname::allow_add()) {
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$component = "customcertelement_{$foldername}";
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$options[$foldername] = get_string('pluginname', $component);
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}
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}
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}
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}
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