silverstripe-dms/code/cms/DMSGridFieldDeleteAction.php

122 lines
4.2 KiB
PHP

<?php
/**
* This class is a {@link GridField} component that adds a delete a DMS document.
*
* This component also supports unlinking a relation instead of deleting the object. By default it unlinks, but if
* this is the last reference to a specific document, it warns the user that continuing with the operation will
* delete the document completely.
*
* <code>
* $action = new GridFieldDeleteAction(); // delete objects permanently
* </code>
*
* @package dms
* @subpackage cms
*/
class DMSGridFieldDeleteAction extends GridFieldDeleteAction implements
GridField_ColumnProvider,
GridField_ActionProvider
{
/**
*
* @param GridField $gridField
* @param DataObject $record
* @param string $columnName
* @return string - the HTML for the column
*/
public function getColumnContent($gridField, $record, $columnName)
{
if ($this->removeRelation) {
$field = GridField_FormAction::create(
$gridField,
'UnlinkRelation' . $record->ID,
false,
"unlinkrelation",
array('RecordID' => $record->ID)
)
->addExtraClass('gridfield-button-unlink')
->setAttribute('title', _t('GridAction.UnlinkRelation', "Unlink"))
->setAttribute('data-icon', 'chain--minus');
} else {
if (!$record->canDelete()) {
return '';
}
$field = GridField_FormAction::create(
$gridField,
'DeleteRecord' . $record->ID,
false,
"deleterecord",
array('RecordID' => $record->ID)
)
->addExtraClass('gridfield-button-delete')
->setAttribute('title', _t('GridAction.Delete', "Delete"))
->setAttribute('data-icon', 'cross-circle')
->setDescription(_t('GridAction.DELETE_DESCRIPTION', 'Delete'));
}
// Add a class to the field to if it is the last gridfield in the list
$numberOfRelations = $record->getRelatedPages()->count();
$field
// Add a new class for custom JS to handle the delete action
->addExtraClass('dms-delete')
// Add the number of pages attached to this field as a data-attribute
->setAttribute('data-pages-count', $numberOfRelations)
// Remove the base gridfield behaviour
->removeExtraClass('gridfield-button-delete');
// Set a class telling JS what kind of warning to display when clicking the delete button
if ($numberOfRelations > 1) {
$field->addExtraClass('dms-delete-link-only');
} else {
$field->addExtraClass('dms-delete-last-warning');
}
// Set a class to show if the document is hidden
if ($record->isHidden()) {
$field->addExtraClass('dms-document-hidden');
}
return $field->Field();
}
/**
* Handle the actions and apply any changes to the GridField
*
* @param GridField $gridField
* @param string $actionName
* @param mixed $arguments
* @param array $data - form data
* @return void
* @throws ValidationException If the current user doesn't have permission to delete the record
*/
public function handleAction(GridField $gridField, $actionName, $arguments, $data)
{
if ($actionName == 'deleterecord' || $actionName == 'unlinkrelation') {
$item = $gridField->getList()->byID($arguments['RecordID']);
if (!$item) {
return;
}
if ($actionName == 'deleterecord' && !$item->canDelete()) {
throw new ValidationException(
_t('GridFieldAction_Delete.DeletePermissionsFailure', "No delete permissions"),
0
);
}
$delete = false;
if ($item->getRelatedPages()->count() <= 1) {
$delete = true;
}
// Remove the relation
$gridField->getList()->remove($item);
if ($delete) {
// Delete the document
$item->delete();
}
}
}
}