KumiSystems/moodle-mod-customcert
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#225 Allow element plugins to control if they can be added

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This commit is contained in:
Alexander Bias 2018-08-08 13:45:20 +02:00 committed by Mark Nelson
parent 706912c52f
commit fcaf1fefd5
2 changed files with 15 additions and 2 deletions
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10
classes/element.php
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@ -352,6 +352,16 @@ abstract class element {
return true;
}
/**
* This defines if an element plugin can be added to a certificate.
* Can be overridden if an element plugin wants to take over the control.
*
* @return bool returns true if the element can be added, false otherwise
*/
public static function allow_add() {
return true;
}
/**
* Handles rendering the element on the pdf.
*

7
classes/element_helper.php
View file

@ -412,8 +412,11 @@ class element_helper {
$classname = '\\customcertelement_' . $foldername . '\\element';
// Ensure the necessary class exists.
if (class_exists($classname)) {
$component = "customcertelement_{$foldername}";
$options[$foldername] = get_string('pluginname', $component);
// Additionally, check if the user is allowed to add the element at all.
if ($classname::allow_add()) {
$component = "customcertelement_{$foldername}";
$options[$foldername] = get_string('pluginname', $component);
}
}
}
}