silverstripe-subsites/code/forms/GridFieldSubsiteDetailForm.php

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<?php
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class GridFieldSubsiteDetailForm extends GridFieldDetailForm
{
protected $itemRequestClass='GridFieldSubsiteDetailForm_ItemRequest';
}
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class GridFieldSubsiteDetailForm_ItemRequest extends GridFieldDetailForm_ItemRequest
{
private static $allowed_actions = array(
'ItemEditForm',
);
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/**
* Builds an item edit form. The arguments to getCMSFields() are the popupController and
* popupFormName, however this is an experimental API and may change.
*
* @todo In the future, we will probably need to come up with a tigher object representing a partially
* complete controller with gaps for extra functionality. This, for example, would be a better way
* of letting Security/login put its log-in form inside a UI specified elsewhere.
*
* @return Form
* @see GridFieldDetailForm_ItemRequest::ItemEditForm()
*/
public function ItemEditForm()
{
$form=parent::ItemEditForm();
if ($this->record->ID == 0) {
$templates = Subsite::get()->sort('Title');
$templateArray = array();
if ($templates) {
$templateArray = $templates->map('ID', 'Title');
}
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$templateDropdown = new DropdownField('TemplateID', _t('Subsite.COPYSTRUCTURE', 'Copy structure from:'), $templateArray);
$templateDropdown->setEmptyString('(' . _t('Subsite.NOTEMPLATE', 'No template') . ')');
$form->Fields()->addFieldToTab('Root.Configuration', $templateDropdown);
}
return $form;
}
public function doSave($data, $form)
{
$new_record = $this->record->ID == 0;
if ($new_record && isset($data['TemplateID']) && !empty($data['TemplateID'])) {
$template = Subsite::get()->byID(intval($data['TemplateID']));
if ($template) {
$this->record = $template->duplicate();
}
}
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return parent::doSave($data, $form);
}
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}