1 | <?php |
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3 | namespace SilverStripe\UserForms\FormField; |
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4 | |||||
5 | use SilverStripe\Forms\CompositeField; |
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6 | use SilverStripe\UserForms\Model\EditableFormField; |
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7 | use SilverStripe\UserForms\Model\EditableFormField\EditableFormStep; |
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8 | |||||
9 | /** |
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10 | * Represents a composite field group, which may contain other groups |
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11 | */ |
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12 | abstract class UserFormsCompositeField extends CompositeField implements UserFormsFieldContainer |
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13 | { |
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14 | /** |
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15 | * Parent field |
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16 | * |
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17 | * @var UserFormsFieldContainer |
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18 | */ |
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19 | protected $parent = null; |
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20 | |||||
21 | public function getParent() |
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22 | { |
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23 | return $this->parent; |
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24 | } |
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25 | |||||
26 | public function setParent(UserFormsFieldContainer $parent) |
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27 | { |
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28 | $this->parent = $parent; |
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29 | return $this; |
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30 | } |
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31 | |||||
32 | public function processNext(EditableFormField $field) |
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33 | { |
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34 | // When we find a step, bubble up to the top |
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35 | if ($field instanceof EditableFormStep) { |
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36 | return $this->getParent()->processNext($field); |
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37 | } |
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38 | |||||
39 | // Skip over fields that don't generate formfields |
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40 | if (get_class($field) === EditableFormField::class || !$field->getFormField()) { |
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41 | return $this; |
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42 | } |
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43 | /** @var EditableFormField $formField */ |
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44 | $formField = $field->getFormField(); |
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45 | |||||
46 | // Save this field |
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47 | $this->push($formField); |
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$formField of type SilverStripe\UserForms\Model\EditableFormField is incompatible with the type SilverStripe\Forms\FormField expected by parameter $field of SilverStripe\Forms\CompositeField::push() .
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
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48 | |||||
49 | // Nest fields that are containers |
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50 | if ($formField instanceof UserFormsFieldContainer) { |
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51 | return $formField->setParent($this); |
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The method
setParent() does not exist on SilverStripe\UserForms\Model\EditableFormField . Since you implemented __call , consider adding a @method annotation.
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the
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52 | } |
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53 | |||||
54 | // Add any subsequent fields to this |
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55 | return $this; |
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The expression
return $this returns the type SilverStripe\UserForms\F...UserFormsCompositeField which is incompatible with the return type mandated by SilverStripe\UserForms\F...ontainer::processNext() of SilverStripe\UserForms\F...\EditableContainerField .
In the issue above, the returned value is violating the contract defined by the mentioned interface. Let's take a look at an example: interface HasName {
/** @return string */
public function getName();
}
class Name {
public $name;
}
class User implements HasName {
/** @return string|Name */
public function getName() {
return new Name('foo'); // This is a violation of the ``HasName`` interface
// which only allows a string value to be returned.
}
}
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56 | } |
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57 | } |
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58 |
In the issue above, the returned value is violating the contract defined by the mentioned interface.
Let's take a look at an example: