276 lines
7.4 KiB
PHP
276 lines
7.4 KiB
PHP
<?php
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namespace SilverStripe\Forms\GridField;
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use SilverStripe\Control\Controller;
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use SilverStripe\ORM\DataObject;
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use SilverStripe\ORM\ValidationException;
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/**
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* This class is a {@link GridField} component that adds a delete action for
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* objects.
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*
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* This component also supports unlinking a relation instead of deleting the
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* object.
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*
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* Use the {@link $removeRelation} property set in the constructor.
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*
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* <code>
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* $action = new GridFieldDeleteAction(); // delete objects permanently
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*
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* // removes the relation to object instead of deleting
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* $action = new GridFieldDeleteAction(true);
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* </code>
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*/
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class GridFieldDeleteAction implements GridField_ColumnProvider, GridField_ActionProvider, GridField_ActionMenuItem
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{
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/**
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* If this is set to true, this {@link GridField_ActionProvider} will
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* remove the object from the list, instead of deleting.
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*
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* In the case of a has one, has many or many many list it will uncouple
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* the item from the list.
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*
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* @var boolean
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*/
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protected $removeRelation = false;
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/**
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*
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* @param boolean $removeRelation - true if removing the item from the list, but not deleting it
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*/
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public function __construct($removeRelation = false)
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{
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$this->setRemoveRelation($removeRelation);
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}
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/**
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* @inheritdoc
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*/
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public function getTitle($gridField, $record, $columnName)
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{
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$field = $this->getRemoveAction($gridField, $record, $columnName);
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if ($field) {
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return $field->getAttribute('title');
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}
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return _t(__CLASS__ . '.Delete', "Delete");
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}
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/**
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* @inheritdoc
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*/
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public function getGroup($gridField, $record, $columnName)
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{
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return GridField_ActionMenuItem::DEFAULT_GROUP;
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}
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/**
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*
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* @param GridField $gridField
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* @param DataObject $record
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* @param string $columnName
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* @return string|null the attribles for the action
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*/
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public function getExtraData($gridField, $record, $columnName)
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{
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$field = $this->getRemoveAction($gridField, $record, $columnName);
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if ($field) {
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return $field->getAttributes();
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}
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return null;
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}
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/**
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* Add a column 'Delete'
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*
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* @param GridField $gridField
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* @param array $columns
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*/
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public function augmentColumns($gridField, &$columns)
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{
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if (!in_array('Actions', $columns)) {
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$columns[] = 'Actions';
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}
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}
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/**
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* Return any special attributes that will be used for FormField::create_tag()
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*
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* @param GridField $gridField
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* @param DataObject $record
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* @param string $columnName
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* @return array
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*/
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public function getColumnAttributes($gridField, $record, $columnName)
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{
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return ['class' => 'grid-field__col-compact'];
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}
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/**
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* Add the title
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*
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* @param GridField $gridField
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* @param string $columnName
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* @return array
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*/
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public function getColumnMetadata($gridField, $columnName)
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{
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if ($columnName == 'Actions') {
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return ['title' => ''];
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}
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}
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/**
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* Which columns are handled by this component
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*
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* @param GridField $gridField
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* @return array
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*/
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public function getColumnsHandled($gridField)
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{
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return ['Actions'];
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}
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/**
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* Which GridField actions are this component handling
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*
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* @param GridField $gridField
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* @return array
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*/
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public function getActions($gridField)
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{
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return ['deleterecord', 'unlinkrelation'];
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}
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/**
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*
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* @param GridField $gridField
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* @param DataObject $record
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* @param string $columnName
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* @return string|null the HTML for the column
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*/
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public function getColumnContent($gridField, $record, $columnName)
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{
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$field = $this->getRemoveAction($gridField, $record, $columnName);
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if ($field) {
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return $field->Field();
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}
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return null;
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}
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/**
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* Handle the actions and apply any changes to the GridField
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*
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* @param GridField $gridField
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* @param string $actionName
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* @param array $arguments
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* @param array $data Form data
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* @throws ValidationException
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*/
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public function handleAction(GridField $gridField, $actionName, $arguments, $data)
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{
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if ($actionName == 'deleterecord' || $actionName == 'unlinkrelation') {
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/** @var DataObject $item */
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$item = $gridField->getList()->byID($arguments['RecordID']);
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if (!$item) {
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return;
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}
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if ($actionName == 'deleterecord') {
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if (!$item->canDelete()) {
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throw new ValidationException(
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_t(__CLASS__ . '.DeletePermissionsFailure', "No delete permissions")
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);
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}
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$item->delete();
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} else {
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if (!$item->canEdit()) {
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throw new ValidationException(
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_t(__CLASS__ . '.EditPermissionsFailure', "No permission to unlink record")
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);
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}
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$gridField->getList()->remove($item);
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}
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}
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}
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/**
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*
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* @param GridField $gridField
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* @param DataObject $record
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* @param string $columnName
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* @return GridField_FormAction|null
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*/
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private function getRemoveAction($gridField, $record, $columnName)
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{
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if ($this->getRemoveRelation()) {
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if (!$record->canEdit()) {
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return null;
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}
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$title = _t(__CLASS__ . '.UnlinkRelation', "Unlink");
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$field = GridField_FormAction::create(
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$gridField,
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'UnlinkRelation' . $record->ID,
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false,
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"unlinkrelation",
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['RecordID' => $record->ID]
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)
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->addExtraClass('btn btn--no-text btn--icon-md font-icon-link-broken grid-field__icon-action gridfield-button-unlink action-menu--handled')
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->setAttribute('classNames', 'gridfield-button-unlink font-icon-link-broken')
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->setDescription($title)
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->setAttribute('aria-label', $title);
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} else {
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if (!$record->canDelete()) {
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return null;
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}
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$title = _t(__CLASS__ . '.Delete', "Delete");
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$field = GridField_FormAction::create(
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$gridField,
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'DeleteRecord' . $record->ID,
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false,
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"deleterecord",
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['RecordID' => $record->ID]
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)
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->addExtraClass('gridfield-button-delete btn--icon-md font-icon-trash-bin btn--no-text grid-field__icon-action action-menu--handled')
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->setAttribute('classNames', 'gridfield-button-delete font-icon-trash')
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->setDescription($title)
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->setAttribute('aria-label', $title);
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}
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return $field;
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}
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/**
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* Get whether to remove or delete the relation
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*
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* @return bool
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*/
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public function getRemoveRelation()
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{
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return $this->removeRelation;
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}
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/**
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* Set whether to remove or delete the relation
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* @param bool $removeRelation
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* @return $this
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*/
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public function setRemoveRelation($removeRelation)
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{
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$this->removeRelation = (bool) $removeRelation;
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return $this;
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}
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}
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