mirror of
https://github.com/silverstripe/silverstripe-userforms.git
synced 2024-10-22 17:05:42 +02:00
136 lines
4.5 KiB
PHP
136 lines
4.5 KiB
PHP
<?php
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namespace SilverStripe\UserForms\Extension;
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use SilverStripe\Forms\RequiredFields;
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use SilverStripe\UserForms\Model\EditableFormField\EditableFieldGroup;
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use SilverStripe\UserForms\Model\EditableFormField\EditableFieldGroupEnd;
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use SilverStripe\UserForms\Model\EditableFormField\EditableFormField;
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use SilverStripe\UserForms\Model\EditableFormField\EditableFormStep;
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class UserFormValidator extends RequiredFields
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{
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public function php($data)
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{
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if (!parent::php($data)) {
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return false;
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}
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// Skip unsaved records
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if (empty($data['ID']) || !is_numeric($data['ID'])) {
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return true;
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}
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$fields = EditableFormField::get()->filter('ParentID', $data['ID'])->sort('"Sort" ASC');
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// Current nesting
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$stack = array();
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$conditionalStep = false; // Is the current step conditional?
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foreach ($fields as $field) {
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if ($field instanceof EditableFormStep) {
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// Page at top level, or after another page is ok
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if (empty($stack) || (count($stack) === 1 && $stack[0] instanceof EditableFormStep)) {
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$stack = array($field);
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$conditionalStep = $field->EffectiveDisplayRules()->count() > 0;
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continue;
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}
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$this->validationError(
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'FormFields',
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_t(
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__CLASS__.".UNEXPECTED_BREAK",
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"Unexpected page break '{name}' inside nested field '{group}'",
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array(
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'name' => $field->CMSTitle,
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'group' => end($stack)->CMSTitle
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)
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),
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'error'
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);
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return false;
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}
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// Validate no pages
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if (empty($stack)) {
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$this->validationError(
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'FormFields',
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_t(
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__CLASS__.".NO_PAGE",
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"Field '{name}' found before any pages",
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array(
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'name' => $field->CMSTitle
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)
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),
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'error'
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);
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return false;
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}
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// Nest field group
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if ($field instanceof EditableFieldGroup) {
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$stack[] = $field;
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continue;
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}
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// Unnest field group
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if ($field instanceof EditableFieldGroupEnd) {
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$top = end($stack);
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// Check that the top is a group at all
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if (!$top instanceof EditableFieldGroup) {
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$this->validationError(
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'FormFields',
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_t(
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__CLASS__.".UNEXPECTED_GROUP_END",
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"'{name}' found without a matching group",
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array(
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'name' => $field->CMSTitle
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)
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),
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'error'
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);
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return false;
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}
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// Check that the top is the right group
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if ($top->EndID != $field->ID) {
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$this->validationError(
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'FormFields',
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_t(
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__CLASS__.".WRONG_GROUP_END",
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"'{name}' found closes the wrong group '{group}'",
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array(
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'name' => $field->CMSTitle,
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'group' => $top->CMSTitle
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)
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),
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'error'
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);
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return false;
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}
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// Unnest group
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array_pop($stack);
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}
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// Normal field type
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if ($conditionalStep && $field->Required) {
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$this->validationError(
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'FormFields',
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_t(
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__CLASS__.".CONDITIONAL_REQUIRED",
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"Required field '{name}' cannot be placed within a conditional page",
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array(
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'name' => $field->CMSTitle
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)
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),
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'error'
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);
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return false;
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}
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}
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return true;
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}
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}
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