mirror of
https://github.com/silverstripe/silverstripe-blog
synced 2024-10-22 11:05:58 +02:00
194 lines
4.2 KiB
PHP
194 lines
4.2 KiB
PHP
<?php
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/**
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* Adds a component which allows a user to add a new DataObject by database field.
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*
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* @package silverstripe
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* @subpackage blog
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*/
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class GridFieldAddByDBField implements GridField_ActionProvider, GridField_HTMLProvider {
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/**
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* HTML Fragment to render the field.
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*
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* @var string
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*/
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protected $targetFragment;
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/**
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* Default field to create the DataObject by should be Title.
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*
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* @var string
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*/
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protected $dataObjectField = 'Title';
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/**
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* Creates a text field and add button which allows the user to directly create a new
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* DataObject by just entering the title.
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*
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* @param string $targetFragment
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* @param string $dataObjectField
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*/
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public function __construct($targetFragment = 'before', $dataObjectField = 'Title') {
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$this->targetFragment = $targetFragment;
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$this->dataObjectField = (string) $dataObjectField;
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}
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/**
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* Provide actions to this component.
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*
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* @param GridField $gridField
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*
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* @return array
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*/
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public function getActions($gridField) {
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return array(
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'add',
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);
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}
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/**
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* Handles the add action for the given DataObject.
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*
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* @param $gridField GridField
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* @param $actionName string
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* @param $arguments mixed
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* @param $data array
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*
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* @return null|SS_HTTPResponse
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*
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* @throws UnexpectedValueException
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*/
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public function handleAction(GridField $gridField, $actionName, $arguments, $data) {
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if($actionName == 'add') {
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$dbField = $this->getDataObjectField();
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$objClass = $gridField->getModelClass();
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/**
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* @var DataObject $obj
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*/
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$obj = new $objClass();
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if($obj->hasField($dbField)) {
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$obj->setCastedField($dbField, $data['gridfieldaddbydbfield'][$obj->ClassName][$dbField]);
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if($obj->canCreate()) {
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$id = $gridField->getList()->add($obj);
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if(!$id) {
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$gridField->setError(
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_t(
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'GridFieldAddByDBField.AddFail',
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'Unable to save {class} to the database.',
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'Unable to add the DataObject.',
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array(
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'class' => get_class($obj),
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)
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),
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'error'
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);
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}
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} else {
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return Security::permissionFailure(
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Controller::curr(),
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_t(
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'GridFieldAddByDBField.PermissionFail',
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'You don\'t have permission to create a {class}.',
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'Unable to add the DataObject.',
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array(
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'class' => get_class($obj)
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)
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)
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);
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}
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} else {
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throw new UnexpectedValueException(
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sprintf(
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'Invalid field (%s) on %s.',
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$dbField,
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$obj->ClassName
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)
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);
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}
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}
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return null;
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}
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/**
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* Returns the database field for which we'll add the new data object.
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*
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* @return string
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*/
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public function getDataObjectField() {
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return $this->dataObjectField;
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}
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/**
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* Set the database field.
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*
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* @param $field string
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*/
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public function setDataObjectField($field) {
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$this->dataObjectField = (string) $field;
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}
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/**
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* Renders the TextField and add button to the GridField.
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*
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* @param $gridField GridField
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*
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* @return string
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*/
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public function getHTMLFragments($gridField) {
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/**
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* @var DataList $dataList
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*/
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$dataList = $gridField->getList();
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$dataClass = $dataList->dataClass();
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$obj = singleton($dataClass);
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if(!$obj->canCreate()) {
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return "";
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}
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$dbField = $this->getDataObjectField();
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$textField = TextField::create(
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sprintf(
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"gridfieldaddbydbfield[%s][%s]",
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$obj->ClassName,
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Convert::raw2htmlatt($dbField)
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)
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)
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->setAttribute('placeholder', $obj->fieldLabel($dbField))
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->addExtraClass('no-change-track');
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$addAction = new GridField_FormAction(
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$gridField,
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'add',
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_t('GridFieldAddByDBField.Add',
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'Add {name}', "Add button text",
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array(
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'name' => $obj->i18n_singular_name(),
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)
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),
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'add',
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'add'
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);
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$addAction->setAttribute('data-icon', 'add');
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$forTemplate = new ArrayData(array());
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$forTemplate->Fields = new ArrayList();
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$forTemplate->Fields->push($textField);
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$forTemplate->Fields->push($addAction);
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return array(
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$this->targetFragment => $forTemplate->renderWith('GridFieldAddByDBField')
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);
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}
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}
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