1: <?php
 2: 
 3: namespace Charcoal\Property;
 4: 
 5: use InvalidArgumentException;
 6: 
 7: // From 'charcoal-property'
 8: use Charcoal\Property\PropertyInterface;
 9: use Charcoal\Property\StructureProperty;
10: use Charcoal\Property\TemplateProperty;
11: 
12: /**
13:  * Template Options Property
14:  */
15: class TemplateOptionsProperty extends StructureProperty
16: {
17:     /**
18:      * Retrieve the property's type identifier.
19:      *
20:      * @return string
21:      */
22:     public function type()
23:     {
24:         return 'template-options';
25:     }
26: 
27:     /**
28:      * Add the given metadata interfaces for the property to use as a structure.
29:      *
30:      * @see    StructureProperty::addStructureInterface()
31:      * @param  string $interface A metadata interface to use.
32:      * @throws InvalidArgumentException If the template property value is invalid.
33:      * @return TemplateOptionsProperty
34:      */
35:     public function addStructureInterface($interface)
36:     {
37:         if ($interface instanceof TemplateProperty) {
38:             $choice = $interface->choice($interface->val());
39:             if (isset($choice['controller'])) {
40:                 $interface = $choice['controller'];
41:             } elseif (isset($choice['template'])) {
42:                 $interface = $choice['template'];
43:             } else {
44:                 throw new InvalidArgumentException(
45:                     'Template structure interface invalid'
46:                 );
47:             }
48:         }
49: 
50:         return parent::addStructureInterface($interface);
51:     }
52: }
53: