silverstripe-framework/src/Forms/GridField/GridFieldFilterHeader.php

551 lines
18 KiB
PHP
Executable File

<?php
namespace SilverStripe\Forms\GridField;
use LogicException;
use SilverStripe\Admin\LeftAndMain;
use SilverStripe\Control\Controller;
use SilverStripe\Control\HTTPResponse;
use SilverStripe\Core\Config\Config;
use SilverStripe\Core\Convert;
use SilverStripe\Dev\Deprecation;
use SilverStripe\Forms\FieldGroup;
use SilverStripe\Forms\FieldList;
use SilverStripe\Forms\Form;
use SilverStripe\Forms\Schema\FormSchema;
use SilverStripe\Forms\TextField;
use SilverStripe\ORM\ArrayList;
use SilverStripe\ORM\Filterable;
use SilverStripe\ORM\SS_List;
use SilverStripe\View\ArrayData;
use SilverStripe\View\SSViewer;
/**
* GridFieldFilterHeader alters the {@link GridField} with some filtering
* fields in the header of each column.
*
* @see GridField
*/
class GridFieldFilterHeader extends AbstractGridFieldComponent implements GridField_URLHandler, GridField_HTMLProvider, GridField_DataManipulator, GridField_ActionProvider, GridField_StateProvider
{
/**
* See {@link setThrowExceptionOnBadDataType()}
*
* @var bool
*/
protected $throwExceptionOnBadDataType = true;
/**
* Indicates that this component should revert to displaying it's legacy
* table header style rather than the react driven search box
*
* @deprecated 4.3.0:5.0.0 Will be removed in 5.0
* @var bool
*/
public $useLegacyFilterHeader = false;
/**
* Forces all filter components to revert to displaying the legacy
* table header style rather than the react driven search box
*
* @deprecated 4.3.0:5.0.0 Will be removed in 5.0
* @config
* @var bool
*/
private static $force_legacy = false;
/**
* @var \SilverStripe\ORM\Search\SearchContext
*/
protected $searchContext = null;
/**
* @var Form
*/
protected $searchForm = null;
/**
* @var callable
* @deprecated 4.3.0:5.0.0 Will be removed in 5.0
*/
protected $updateSearchContextCallback = null;
/**
* @var callable
* @deprecated 4.3.0:5.0.0 Will be removed in 5.0
*/
protected $updateSearchFormCallback = null;
/**
* The name of the default search field
* @var string|null
*/
protected ?string $searchField = null;
/**
* @inheritDoc
*/
public function getURLHandlers($gridField)
{
return [
'GET schema/SearchForm' => 'getSearchFormSchema'
];
}
/**
* @param bool $useLegacy This will be removed in 5.0
* @param callable|null $updateSearchContext This will be removed in 5.0
* @param callable|null $updateSearchForm This will be removed in 5.0
*/
public function __construct(
$useLegacy = false,
callable $updateSearchContext = null,
callable $updateSearchForm = null
) {
$forceLegacy = Deprecation::withNoReplacement(function () {
return Config::inst()->get(self::class, 'force_legacy');
});
$this->useLegacyFilterHeader = $forceLegacy || $useLegacy;
$this->updateSearchContextCallback = $updateSearchContext;
$this->updateSearchFormCallback = $updateSearchForm;
}
/**
* Determine what happens when this component is used with a list that isn't {@link SS_Filterable}.
*
* - true: An exception is thrown
* - false: This component will be ignored - it won't make any changes to the GridField.
*
* By default, this is set to true so that it's clearer what's happening, but the predefined
* {@link GridFieldConfig} subclasses set this to false for flexibility.
*
* @param bool $throwExceptionOnBadDataType
*/
public function setThrowExceptionOnBadDataType($throwExceptionOnBadDataType)
{
$this->throwExceptionOnBadDataType = $throwExceptionOnBadDataType;
}
/**
* See {@link setThrowExceptionOnBadDataType()}
*/
public function getThrowExceptionOnBadDataType()
{
return $this->throwExceptionOnBadDataType;
}
public function getSearchField(): ?string
{
return $this->searchField;
}
public function setSearchField(string $field): self
{
$this->searchField = $field;
return $this;
}
/**
* Check that this dataList is of the right data type.
* Returns false if it's a bad data type, and if appropriate, throws an exception.
*
* @param SS_List $dataList
* @return bool
*/
protected function checkDataType($dataList)
{
if ($dataList instanceof Filterable) {
return true;
} else {
if ($this->throwExceptionOnBadDataType) {
throw new LogicException(
static::class . " expects an SS_Filterable list to be passed to the GridField."
);
}
return false;
}
}
/**
* If the GridField has a filterable datalist, return an array of actions
*
* @param GridField $gridField
* @return array
*/
public function getActions($gridField)
{
if (!$this->checkDataType($gridField->getList())) {
return [];
}
return ['filter', 'reset'];
}
/**
* If the GridField has a filterable datalist, return an array of actions
*
* @param GridField $gridField
* @param string $actionName
* @param array $data
* @return void
*/
public function handleAction(GridField $gridField, $actionName, $arguments, $data)
{
if (!$this->checkDataType($gridField->getList())) {
return;
}
$state = $this->getState($gridField);
$state->Columns = [];
if ($actionName === 'filter') {
if (isset($data['filter'][$gridField->getName()])) {
foreach ($data['filter'][$gridField->getName()] as $key => $filter) {
$state->Columns->$key = $filter;
}
}
}
}
/**
* Extract state data from the parent gridfield
* @param GridField $gridField
* @return GridState_Data
*/
private function getState(GridField $gridField): GridState_Data
{
return $gridField->State->GridFieldFilterHeader;
}
public function initDefaultState(GridState_Data $data): void
{
$data->GridFieldFilterHeader->initDefaults(['Columns' => []]);
}
/**
* @inheritDoc
*/
public function getManipulatedData(GridField $gridField, SS_List $dataList)
{
if (!$this->checkDataType($dataList)) {
return $dataList;
}
/** @var Filterable $dataList */
/** @var array $filterArguments */
$filterArguments = $this->getState($gridField)->Columns->toArray();
if (empty($filterArguments)) {
return $dataList;
}
$dataListClone = clone($dataList);
$results = $this->getSearchContext($gridField)
->getQuery($filterArguments, false, false, $dataListClone);
return $results;
}
/**
* Returns whether this {@link GridField} has any columns to filter on at all
*
* @param GridField $gridField
* @return boolean
*/
public function canFilterAnyColumns($gridField)
{
$list = $gridField->getList();
if (!$this->checkDataType($list)) {
return false;
}
$columns = $gridField->getColumns();
foreach ($columns as $columnField) {
$metadata = $gridField->getColumnMetadata($columnField);
$title = $metadata['title'];
if ($title && $list->canFilterBy($columnField)) {
return true;
}
}
return false;
}
/**
* Generate a search context based on the model class of the of the GridField
*
* @param GridField $gridfield
* @return \SilverStripe\ORM\Search\SearchContext
*/
public function getSearchContext(GridField $gridField)
{
if (!$this->searchContext) {
$this->searchContext = singleton($gridField->getModelClass())->getDefaultSearchContext();
if ($this->updateSearchContextCallback) {
call_user_func($this->updateSearchContextCallback, $this->searchContext);
}
}
return $this->searchContext;
}
/**
* Returns the search field schema for the component
*
* @param GridField $gridfield
* @return string
*/
public function getSearchFieldSchema(GridField $gridField)
{
$schemaUrl = Controller::join_links($gridField->Link(), 'schema/SearchForm');
$inst = singleton($gridField->getModelClass());
$context = $this->getSearchContext($gridField);
$params = $gridField->getRequest()->postVar('filter') ?: [];
if (array_key_exists($gridField->getName(), $params ?? [])) {
$params = $params[$gridField->getName()];
}
if ($context->getSearchParams()) {
$params = array_merge($context->getSearchParams(), $params);
}
$context->setSearchParams($params);
$searchField = $this->getSearchField() ?: $inst->config()->get('general_search_field');
if (!$searchField) {
$searchField = $context->getSearchFields()->first();
$searchField = $searchField && property_exists($searchField, 'name') ? $searchField->name : null;
}
$name = $gridField->Title ?: $inst->i18n_plural_name();
// Prefix "Search__" onto the filters for the React component
$filters = $context->getSearchParams();
if (!$this->useLegacyFilterHeader && !empty($filters)) {
$filters = array_combine(array_map(function ($key) {
return 'Search__' . $key;
}, array_keys($filters ?? [])), $filters ?? []);
}
$searchAction = GridField_FormAction::create($gridField, 'filter', false, 'filter', null);
$clearAction = GridField_FormAction::create($gridField, 'reset', false, 'reset', null);
$schema = [
'formSchemaUrl' => $schemaUrl,
'name' => $searchField,
'placeholder' => _t(__CLASS__ . '.Search', 'Search "{name}"', ['name' => $name]),
'filters' => $filters ?: new \stdClass, // stdClass maps to empty json object '{}'
'gridfield' => $gridField->getName(),
'searchAction' => $searchAction->getAttribute('name'),
'searchActionState' => $searchAction->getAttribute('data-action-state'),
'clearAction' => $clearAction->getAttribute('name'),
'clearActionState' => $clearAction->getAttribute('data-action-state'),
];
return json_encode($schema);
}
/**
* Returns the search form for the component
*
* @param GridField $gridField
* @return Form|null
*/
public function getSearchForm(GridField $gridField)
{
$searchContext = $this->getSearchContext($gridField);
$searchFields = $searchContext->getSearchFields();
if ($searchFields->count() === 0) {
return null;
}
if ($this->searchForm) {
return $this->searchForm;
}
// Append a prefix to search field names to prevent conflicts with other fields in the search form
foreach ($searchFields as $field) {
$field->setName('Search__' . $field->getName());
}
$columns = $gridField->getColumns();
// Update field titles to match column titles
foreach ($columns as $columnField) {
$metadata = $gridField->getColumnMetadata($columnField);
// Get the field name, without any modifications
$name = explode('.', $columnField ?? '');
$title = $metadata['title'];
$field = $searchFields->fieldByName($name[0]);
if ($field) {
$field->setTitle($title);
}
}
foreach ($searchFields->getIterator() as $field) {
$field->addExtraClass('stacked no-change-track');
}
$name = $gridField->Title ?: singleton($gridField->getModelClass())->i18n_plural_name();
$this->searchForm = $form = new Form(
$gridField,
$name . "SearchForm",
$searchFields,
new FieldList()
);
$form->setFormMethod('get');
$form->setFormAction($gridField->Link());
$form->addExtraClass('cms-search-form form--no-dividers');
$form->disableSecurityToken(); // This form is not tied to session so we disable this
$form->loadDataFrom($searchContext->getSearchParams());
if ($this->updateSearchFormCallback) {
call_user_func($this->updateSearchFormCallback, $form);
}
return $this->searchForm;
}
/**
* Returns the search form schema for the component
*
* @param GridField $gridfield
* @return HTTPResponse
*/
public function getSearchFormSchema(GridField $gridField)
{
$form = $this->getSearchForm($gridField);
// If there are no filterable fields, return a 400 response
if (!$form) {
return new HTTPResponse(_t(__CLASS__ . '.SearchFormFaliure', 'No search form could be generated'), 400);
}
$parts = $gridField->getRequest()->getHeader(LeftAndMain::SCHEMA_HEADER);
$schemaID = $gridField->getRequest()->getURL();
$data = FormSchema::singleton()
->getMultipartSchema($parts, $schemaID, $form);
$response = new HTTPResponse(json_encode($data));
$response->addHeader('Content-Type', 'application/json');
return $response;
}
/**
* Generate fields for the legacy filter header row
*
* @deprecated 4.12.0 Use search field instead
* @param GridField $gridfield
* @return ArrayList|null
*/
public function getLegacyFilterHeader(GridField $gridField)
{
Deprecation::notice('4.12.0', 'Use search field instead');
$list = $gridField->getList();
if (!$this->checkDataType($list)) {
return null;
}
$columns = $gridField->getColumns();
$filterArguments = $this->getState($gridField)->Columns->toArray();
$currentColumn = 0;
$canFilter = false;
$fieldsList = new ArrayList();
foreach ($columns as $columnField) {
$currentColumn++;
$metadata = $gridField->getColumnMetadata($columnField);
$title = $metadata['title'];
$fields = new FieldGroup();
if ($title && $list->canFilterBy($columnField)) {
$canFilter = true;
$value = '';
if (isset($filterArguments[$columnField])) {
$value = $filterArguments[$columnField];
}
$field = new TextField('filter[' . $gridField->getName() . '][' . $columnField . ']', '', $value);
$field->addExtraClass('grid-field__sort-field');
$field->addExtraClass('no-change-track');
$field->setAttribute(
'placeholder',
_t('SilverStripe\\Forms\\GridField\\GridField.FilterBy', "Filter by ") . _t('SilverStripe\\Forms\\GridField\\GridField.' . $metadata['title'], $metadata['title'])
);
$fields->push($field);
$fields->push(
GridField_FormAction::create($gridField, 'reset', false, 'reset', null)
->addExtraClass('btn font-icon-cancel btn-secondary btn--no-text ss-gridfield-button-reset')
->setAttribute('title', _t('SilverStripe\\Forms\\GridField\\GridField.ResetFilter', "Reset"))
->setAttribute('id', 'action_reset_' . $gridField->getModelClass() . '_' . $columnField)
);
}
if ($currentColumn == count($columns ?? [])) {
$fields->push(
GridField_FormAction::create($gridField, 'filter', false, 'filter', null)
->addExtraClass('btn font-icon-search btn--no-text btn--icon-large grid-field__filter-submit ss-gridfield-button-filter')
->setAttribute('title', _t('SilverStripe\\Forms\\GridField\\GridField.Filter', 'Filter'))
->setAttribute('id', 'action_filter_' . $gridField->getModelClass() . '_' . $columnField)
);
$fields->push(
GridField_FormAction::create($gridField, 'reset', false, 'reset', null)
->addExtraClass('btn font-icon-cancel btn--no-text grid-field__filter-clear btn--icon-md ss-gridfield-button-close')
->setAttribute('title', _t('SilverStripe\\Forms\\GridField\\GridField.ResetFilter', "Reset"))
->setAttribute('id', 'action_reset_' . $gridField->getModelClass() . '_' . $columnField)
);
$fields->addExtraClass('grid-field__filter-buttons');
$fields->addExtraClass('no-change-track');
}
$fieldsList->push($fields);
}
return $canFilter ? $fieldsList : null;
}
/**
* Either returns the legacy filter header or the search button and field
*
* @param GridField $gridField
* @return array|null
*/
public function getHTMLFragments($gridField)
{
$forTemplate = new ArrayData([]);
if (!$this->canFilterAnyColumns($gridField)) {
return null;
}
if ($this->useLegacyFilterHeader) {
$fieldsList = Deprecation::withNoReplacement(function () use ($gridField) {
return $this->getLegacyFilterHeader($gridField);
});
$forTemplate->Fields = $fieldsList;
$filterTemplates = SSViewer::get_templates_by_class($this, '_Row', __CLASS__);
return ['header' => $forTemplate->renderWith($filterTemplates)];
} else {
$fieldSchema = $this->getSearchFieldSchema($gridField);
$forTemplate->SearchFieldSchema = $fieldSchema;
$searchTemplates = SSViewer::get_templates_by_class($this, '_Search', __CLASS__);
return [
'before' => $forTemplate->renderWith($searchTemplates),
'buttons-before-right' => sprintf(
'<button type="button" name="showFilter" aria-label="%s" title="%s"' .
' class="btn btn-secondary font-icon-search btn--no-text btn--icon-large grid-field__filter-open"></button>',
_t('SilverStripe\\Forms\\GridField\\GridField.OpenFilter', "Open search and filter"),
_t('SilverStripe\\Forms\\GridField\\GridField.OpenFilter', "Open search and filter")
)
];
}
}
}