sortablegridfield/src/Forms/GridFieldSortableRows.php

801 lines
35 KiB
PHP

<?php
namespace UndefinedOffset\SortableGridField\Forms;
use SilverStripe\Admin\ModelAdmin;
use SilverStripe\Control\Controller;
use SilverStripe\Core\ClassInfo;
use SilverStripe\Core\Config\Config;
use SilverStripe\Core\Injector\Injector;
use SilverStripe\Forms\GridField\AbstractGridFieldComponent;
use SilverStripe\Forms\GridField\GridField;
use SilverStripe\Forms\GridField\GridField_ActionProvider;
use SilverStripe\Forms\GridField\GridField_DataManipulator;
use SilverStripe\Forms\GridField\GridField_FormAction;
use SilverStripe\Forms\GridField\GridField_HTMLProvider;
use SilverStripe\Forms\GridField\GridFieldFilterHeader;
use SilverStripe\Forms\GridField\GridFieldPaginator;
use SilverStripe\Forms\GridField\GridFieldSortableHeader;
use SilverStripe\ORM\DataObject;
use SilverStripe\ORM\DataObjectSchema;
use SilverStripe\ORM\DB;
use SilverStripe\ORM\ManyManyList;
use SilverStripe\ORM\ManyManyThroughList;
use SilverStripe\ORM\RelationList;
use SilverStripe\ORM\SS_List;
use SilverStripe\ORM\UnsavedRelationList;
use SilverStripe\ORM\ValidationException;
use SilverStripe\Versioned\Versioned;
use SilverStripe\View\ArrayData;
use SilverStripe\View\Requirements;
/**
* This component provides a checkbox which when checked enables drag-and-drop re-ordering of elements displayed in a {@link GridField}
*/
class GridFieldSortableRows extends AbstractGridFieldComponent implements GridField_HTMLProvider, GridField_ActionProvider, GridField_DataManipulator
{
/** @var string */
protected $sortColumn;
/** @var bool */
protected $disable_selection = true;
/** @var bool */
protected $append_to_top = false;
/** @var null|string */
protected $update_versioned_stage = null;
/** @var null|string */
protected $custom_relation_name = null;
/**
* @param string $sortColumn Column that should be used to update the sort information
* @param bool $disableSelection Disable selection on the GridField when dragging
* @param string $updateVersionStage Name of the versioned stage to update this disabled by default unless this is set
* @param string $customRelationName Name of the relationship to use, if left null the name is determined from the GridField's name
*/
public function __construct($sortColumn, $disableSelection = true, $updateVersionStage = null, $customRelationName = null)
{
$this->sortColumn = $sortColumn;
$this->disable_selection = $disableSelection;
$this->update_versioned_stage = $updateVersionStage;
$this->custom_relation_name = $customRelationName;
}
/**
* Returns a map where the keys are fragment names and the values are pieces of HTML to add to these fragments.
* @param GridField $gridField Grid Field Reference
* @return array Map where the keys are fragment names and the values are pieces of HTML to add to these fragments.
*/
public function getHTMLFragments($gridField)
{
$dataList = $gridField->getList();
if (class_exists('UnsavedRelationList') && $dataList instanceof UnsavedRelationList) {
return [];
}
$state = $gridField->State->GridFieldSortableRows;
if (!is_bool($state->sortableToggle)) {
$state->sortableToggle = false;
}
//Ensure user can edit
if (!singleton($gridField->getModelClass())->canEdit()) {
return [];
}
//Sort order toggle
$sortOrderToggle = GridField_FormAction::create(
$gridField,
'sortablerows-toggle',
'sorttoggle',
'sortableRowsToggle',
null
)->addExtraClass('sortablerows-toggle');
$sortOrderSave = GridField_FormAction::create(
$gridField,
'sortablerows-savesort',
'savesort',
'saveGridRowSort',
null
)->addExtraClass('sortablerows-savesort');
//Sort to Page Action
$sortToPage = GridField_FormAction::create(
$gridField,
'sortablerows-sorttopage',
'sorttopage',
'sortToPage',
null
)->addExtraClass('sortablerows-sorttopage');
$data = [
'SortableToggle' => $sortOrderToggle,
'SortOrderSave' => $sortOrderSave,
'SortToPage' => $sortToPage,
'Checked' => ($state->sortableToggle == true ? ' checked = "checked"' : ''),
'List' => $dataList,
];
$forTemplate = new ArrayData($data);
Requirements::css('undefinedoffset/sortablegridfield:css/GridFieldSortableRows.css');
Requirements::javascript('undefinedoffset/sortablegridfield:javascript/GridFieldSortableRows.js');
$args = ['Colspan' => count($gridField->getColumns()), 'ID' => $gridField->ID(), 'DisableSelection' => $this->disable_selection];
$fragments = ['header' => $forTemplate->renderWith('SortableGridField\Forms\Includes\GridFieldSortableRows', $args)];
if ($gridField->getConfig()->getComponentByType(GridFieldPaginator::class)) {
$fragments['after'] = $forTemplate->renderWith('SortableGridField\Forms\Includes\GridFieldSortableRows_paginator');
}
return $fragments;
}
/**
* Manipulate the datalist as needed by this grid modifier.
* @param GridField $gridField Grid Field Reference
* @param SS_List|\SilverStripe\ORM\DataList $dataList Data List to adjust
* @return \SilverStripe\ORM\DataList Modified Data List
*/
public function getManipulatedData(GridField $gridField, SS_List $dataList)
{
//Detect and correct items with a sort column value of 0 (push to bottom)
$this->fixSortColumn($gridField, $dataList);
$headerState = $gridField->State->GridFieldSortableHeader;
$state = $gridField->State->GridFieldSortableRows;
if ((!is_bool($state->sortableToggle) || $state->sortableToggle === false) && $headerState && is_string($headerState->SortColumn) && is_string($headerState->SortDirection)) {
return $dataList->sort($headerState->SortColumn, $headerState->SortDirection);
}
if ($state->sortableToggle === true) {
$gridField->getConfig()->removeComponentsByType(GridFieldFilterHeader::class);
$gridField->getConfig()->removeComponentsByType(GridFieldSortableHeader::class);
}
return $dataList->sort($this->sortColumn);
}
/**
* Sets if new records should be appended to the top or the bottom of the list
* @param bool $value Boolean true to append to the top false to append to the bottom
* @return GridFieldSortableRows Returns the current instance
*/
public function setAppendToTop($value)
{
$this->append_to_top = $value;
return $this;
}
/**
* @param bool $value Boolean true to disable selection of table contents false to enable selection
* @return GridFieldSortableRows Returns the current instance
*/
public function setDisableSelection($value)
{
$this->disable_selection = $value;
return $this;
}
/**
* Sets the suffix of the versioned stage that should be updated along side the default stage
* @param string $value Versioned Stage to update this is disabled by default unless this is set
* @return GridFieldSortableRows Returns the current instance
*/
public function setUpdateVersionedStage($value)
{
$this->update_versioned_stage = $value;
return $this;
}
/**
* Sets the name of the relationship to use, by default the name is determined from the GridField's name
* @param string $value Name of the relationship to use, by default the name is determined from the GridField's name
* @return GridFieldSortableRows Returns the current instance
*/
public function setCustomRelationName($value)
{
$this->custom_relation_name = $value;
return $this;
}
/**
* Detects and corrects items with a sort column value of 0, by appending them to the bottom of the list
* @param GridField $gridField Grid Field Reference
* @param SS_List|\SilverStripe\ORM\DataList $dataList Data List of items to be checked
*/
protected function fixSortColumn($gridField, SS_List $dataList)
{
if ($dataList instanceof UnsavedRelationList) {
return;
}
/** @var SS_List|\SilverStripe\ORM\DataList $list */
$list = clone $dataList;
$list = $list->alterDataQuery(function ($query, SS_List $tmplist) {
/** @var \SilverStripe\ORM\DataQuery $query */
$query->limit(null);
return $query;
});
$many_many = ($list instanceof ManyManyList || $list instanceof ManyManyThroughList);
if (!$many_many) {
$sng = singleton($gridField->getModelClass());
$fieldType = $sng->config()->db[$this->sortColumn];
if (!$fieldType || !($fieldType == 'Int' || $fieldType == 'SilverStripe\\ORM\\FieldType\\DBInt' || is_subclass_of($fieldType, 'SilverStripe\\ORM\\FieldType\\DBInt'))) {
if (is_array($fieldType)) {
user_error('Sort column ' . $this->sortColumn . ' could not be found in ' . $gridField->getModelClass() . '\'s ancestry', E_USER_ERROR);
} else {
user_error('Sort column ' . $this->sortColumn . ' must be an instance of SilverStripe\\ORM\\FieldType\\DBInt, column is of type ' . $fieldType, E_USER_ERROR);
}
exit;
}
}
$max = $list->Max($this->sortColumn);
$list = $list->filter($this->sortColumn, 0)->sort("Created,ID");
if ($list->Count() > 0) {
$owner = $gridField->getForm()->getRecord();
$sortColumn = $this->sortColumn;
$i = 1;
if ($many_many) {
$schema = Injector::inst()->get(DataObjectSchema::class);
$componentDetails = $schema->manyManyComponent(get_class($owner), (!empty($this->custom_relation_name) ? $this->custom_relation_name : $gridField->getName()));
$parentField = $componentDetails['parentField'];
$componentField = $componentDetails['childField'];
$table = $componentDetails['join'];
//For ManyManyThroughLists get the right join table
if ($list instanceof ManyManyThroughList && class_exists($table)) {
$table = $schema->tableName($table);
}
$extraFields = $list->getExtraFields();
if (!$extraFields || !array_key_exists($this->sortColumn, $extraFields) || !($extraFields[$this->sortColumn] == 'Int' || $extraFields[$this->sortColumn] == 'SilverStripe\\ORM\\FieldType\\DBInt' || is_subclass_of('SilverStripe\\ORM\\FieldType\\DBInt', $extraFields[$this->sortColumn]))) {
user_error('Sort column ' . $this->sortColumn . ' must be an SilverStripe\\ORM\\FieldType\\DBInt, column is of type ' . $extraFields[$this->sortColumn], E_USER_ERROR);
exit;
}
} else {
//Find table containing the sort column
$table = false;
$class = $gridField->getModelClass();
$db = Config::inst()->get($class, "db", CONFIG::UNINHERITED);
if (!empty($db) && array_key_exists($sortColumn, $db)) {
$table = DataObject::getSchema()->tableName($class);
} else {
$classes = ClassInfo::ancestry($class, true);
foreach ($classes as $class) {
$db = Config::inst()->get($class, "db", CONFIG::UNINHERITED);
if (!empty($db) && array_key_exists($sortColumn, $db)) {
$table = DataObject::getSchema()->tableName($class);
break;
}
}
}
if ($table === false) {
user_error('Sort column ' . $this->sortColumn . ' could not be found in ' . $gridField->getModelClass() . '\'s ancestry', E_USER_ERROR);
exit;
}
$baseDataClass = DataObject::getSchema()->baseDataClass($gridField->getModelClass());
$baseDataTable = DataObject::getSchema()->tableName($baseDataClass);
}
//Start transaction if supported
if (DB::get_conn()->supportsTransactions()) {
DB::get_conn()->transactionStart();
}
$idCondition = null;
if ($this->append_to_top && !($list instanceof RelationList)) {
$idCondition = '"ID" IN(\'' . implode("','", $dataList->getIDList()) . '\')';
}
if ($this->append_to_top) {
$topIncremented = [];
}
$modelClass = $gridField->getModelClass();
$hasVersioned = $this->hasVersionedExtension($modelClass);
foreach ($list as $obj) {
if ($many_many) {
if ($this->append_to_top) {
//Upgrade all the records (including the last inserted from 0 to 1)
DB::query('UPDATE "' . $table
. '" SET "' . $sortColumn . '" = "' . $sortColumn . '"+1'
. ' WHERE "' . $parentField . '" = ' . $owner->ID . (!empty($topIncremented) ? ' AND "' . $componentField . '" NOT IN(\'' . implode('\',\'', $topIncremented) . '\')' : ''));
$topIncremented[] = $obj->ID;
} else {
//Append the last record to the bottom
DB::query('UPDATE "' . $table
. '" SET "' . $sortColumn . '" = ' . ($max + $i)
. ' WHERE "' . $componentField . '" = ' . $obj->ID . ' AND "' . $parentField . '" = ' . $owner->ID);
}
} else if ($this->append_to_top) {
if ($hasVersioned) {
// For versioned objects, modify them with the ORM so that the *_versions table is updated
$itemsToUpdate = $modelClass::get()->where(($list instanceof RelationList ? '"' . $list->foreignKey . '" = ' . $owner->ID : $idCondition) . (!empty($topIncremented) ? ' AND "ID" NOT IN(\'' . implode('\',\'', $topIncremented) . '\')' : ''));
if ($itemsToUpdate->exists()) {
foreach ($itemsToUpdate as $item) {
$item->$sortColumn = $item->$sortColumn + 1;
$item->write();
}
}
} else {
//Upgrade all the records (including the last inserted from 0 to 1)
DB::query('UPDATE "' . $table
. '" SET "' . $sortColumn . '" = "' . $sortColumn . '"+1'
. ' WHERE ' . ($list instanceof RelationList ? '"' . $list->foreignKey . '" = ' . $owner->ID : $idCondition) . (!empty($topIncremented) ? ' AND "ID" NOT IN(\'' . implode('\',\'', $topIncremented) . '\')' : ''));
}
if ($this->update_versioned_stage && $this->hasVersionedExtension($gridField->getModelClass())) {
DB::query('UPDATE "' . $table . '_' . $this->update_versioned_stage
. '" SET "' . $sortColumn . '" = "' . $sortColumn . '"+1'
. ' WHERE ' . ($list instanceof RelationList ? '"' . $list->foreignKey . '" = ' . $owner->ID : $idCondition) . (!empty($topIncremented) ? ' AND "ID" NOT IN(\'' . implode('\',\'', $topIncremented) . '\')' : ''));
}
$topIncremented[] = $obj->ID;
} else {
if ($hasVersioned) {
// For versioned objects, modify them with the ORM so that the *_versions table is updated
$obj->$sortColumn = ($max + $i);
$obj->write();
} else {
//Append the last record to the bottom
DB::query('UPDATE "' . $table
. '" SET "' . $sortColumn . '" = ' . ($max + $i)
. ' WHERE "ID" = ' . $obj->ID);
//LastEdited
DB::query('UPDATE "' . $baseDataTable
. '" SET "LastEdited" = \'' . date('Y-m-d H:i:s') . '\''
. ' WHERE "ID" = ' . $obj->ID);
}
if ($this->update_versioned_stage && $this->hasVersionedExtension($gridField->getModelClass())) {
DB::query('UPDATE "' . $table . '_' . $this->update_versioned_stage
. '" SET "' . $sortColumn . '" = ' . ($max + $i)
. ' WHERE "ID" = ' . $obj->ID);
if ($this->hasVersionedExtension($baseDataClass)) {
DB::query('UPDATE "' . $baseDataTable . '_' . $this->update_versioned_stage
. '" SET "LastEdited" = \'' . date('Y-m-d H:i:s') . '\''
. ' WHERE "ID" = ' . $obj->ID);
}
}
}
$i++;
}
//Update LastEdited for affected records when using append to top on a many_many relationship
if (!$many_many && $this->append_to_top && count($topIncremented) > 0) {
DB::query('UPDATE "' . $baseDataTable
. '" SET "LastEdited" = \'' . date('Y-m-d H:i:s') . '\''
. ' WHERE "ID" IN(\'' . implode('\',\'', $topIncremented) . '\')');
if ($this->update_versioned_stage && $this->hasVersionedExtension($gridField->getModelClass()) && $this->hasVersionedExtension($baseDataClass)) {
DB::query('UPDATE "' . $baseDataTable . '_' . $this->update_versioned_stage
. '" SET "LastEdited" = \'' . date('Y-m-d H:i:s') . '\''
. ' WHERE "ID" IN(\'' . implode('\',\'', $topIncremented) . '\')');
}
}
//End transaction if supported
if (DB::get_conn()->supportsTransactions()) {
DB::get_conn()->transactionEnd();
}
}
}
/**
* Return a list of the actions handled by this action provider.
* @param GridField $gridField Grid Field Reference
* @return array array with action identifier strings.
*/
public function getActions($gridField)
{
return ['saveGridRowSort', 'sortableRowsToggle', 'sortToPage'];
}
/**
* Handle an action on the given grid field.
* @param GridField $gridField Grid Field Reference
* @param String $actionName Action identifier, see {@link getActions()}.
* @param array $arguments Arguments relevant for this
* @param array $data All form data
*/
public function handleAction(GridField $gridField, $actionName, $arguments, $data)
{
$state = $gridField->State->GridFieldSortableRows;
if (!is_bool($state->sortableToggle)) {
$state->sortableToggle = false;
} else if ($state->sortableToggle == true) {
$gridField->getConfig()->removeComponentsByType(GridFieldFilterHeader::class);
$gridField->getConfig()->removeComponentsByType(GridFieldSortableHeader::class);
}
if ($actionName == 'savegridrowsort') {
return $this->saveGridRowSort($gridField, $data);
} else if ($actionName == 'sorttopage') {
return $this->sortToPage($gridField, $data);
}
}
/**
* Handles saving of the row sort order
* @param GridField $gridField Grid Field Reference
* @param array $data Data submitted in the request
* @throws ValidationException If user has no edit permissions
*/
protected function saveGridRowSort(GridField $gridField, $data)
{
$dataList = $gridField->getList();
if ($dataList instanceof UnsavedRelationList) {
user_error('Cannot sort an UnsavedRelationList', E_USER_ERROR);
return;
}
if (!singleton($gridField->getModelClass())->canEdit()) {
throw new ValidationException(_t('GridFieldSortableRows.EditPermissionsFailure', "No edit permissions"), 0);
}
if (empty($data['ItemIDs'])) {
user_error('No items to sort', E_USER_ERROR);
}
$className = $gridField->getModelClass();
$owner = $gridField->Form->getRecord();
$items = clone $gridField->getList();
$many_many = ($items instanceof ManyManyList || $items instanceof ManyManyThroughList);
$sortColumn = $this->sortColumn;
$pageOffset = 0;
if ($paginator = $gridField->getConfig()->getComponentsByType(GridFieldPaginator::class)->First()) {
$pageState = $gridField->State->GridFieldPaginator;
if ($pageState->currentPage && is_int($pageState->currentPage) && $pageState->currentPage > 1) {
$pageOffset = $paginator->getItemsPerPage() * ($pageState->currentPage - 1);
}
}
if ($many_many) {
$schema = Injector::inst()->get(DataObjectSchema::class);
$componentDetails = $schema->manyManyComponent(get_class($owner), (!empty($this->custom_relation_name) ? $this->custom_relation_name : $gridField->getName()));
$parentField = $componentDetails['parentField'];
$componentField = $componentDetails['childField'];
$table = $componentDetails['join'];
//For ManyManyThroughLists get the right join table
if ($items instanceof ManyManyThroughList && class_exists($table)) {
$table = $schema->tableName($table);
}
} else {
//Find table containing the sort column
$table = false;
$class = $gridField->getModelClass();
$db = Config::inst()->get($class, "db", CONFIG::UNINHERITED);
if (!empty($db) && array_key_exists($sortColumn, $db)) {
$table = DataObject::getSchema()->tableName($class);
} else {
$classes = ClassInfo::ancestry($class, true);
foreach ($classes as $class) {
$db = Config::inst()->get($class, "db", CONFIG::UNINHERITED);
if (!empty($db) && array_key_exists($sortColumn, $db)) {
$table = DataObject::getSchema()->tableName($class);
break;
}
}
}
if ($table === false) {
user_error('Sort column ' . $this->sortColumn . ' could not be found in ' . $gridField->getModelClass() . '\'s ancestry', E_USER_ERROR);
exit;
}
$baseDataClass = DataObject::getSchema()->baseDataClass($gridField->getModelClass());
$baseDataTable = DataObject::getSchema()->tableName($baseDataClass);
}
//Event to notify the Controller or owner DataObject before list sort
if ($owner && $owner instanceof DataObject && method_exists($owner, 'onBeforeGridFieldRowSort')) {
$owner->onBeforeGridFieldRowSort(clone $items);
} else if (Controller::has_curr() && Controller::curr() instanceof ModelAdmin && method_exists(Controller::curr(), 'onBeforeGridFieldRowSort')) {
Controller::curr()->onBeforeGridFieldRowSort(clone $items);
}
//Start transaction if supported
if (DB::get_conn()->supportsTransactions()) {
DB::get_conn()->transactionStart();
}
//Perform sorting
$ids = explode(',', $data['ItemIDs']);
$modelClass = $gridField->getModelClass();
$hasVersioned = $this->hasVersionedExtension($modelClass);
for ($sort = 0; $sort < count($ids); $sort++) {
$id = intval($ids[$sort]);
if ($many_many) {
DB::query('UPDATE "' . $table
. '" SET "' . $sortColumn . '" = ' . (($sort + 1) + $pageOffset)
. ' WHERE "' . $componentField . '" = ' . $id . ' AND "' . $parentField . '" = ' . $owner->ID);
} else {
if ($hasVersioned) {
// For versioned objects, modify them with the ORM so that the *_versions table is updated
$obj = $modelClass::get()->byID(intval($id));
if (!empty($obj) && $obj !== false && $obj->exists()) {
$obj->$sortColumn = (($sort + 1) + $pageOffset);
$obj->write();
}
} else {
DB::query('UPDATE "' . $table
. '" SET "' . $sortColumn . '" = ' . (($sort + 1) + $pageOffset)
. ' WHERE "ID" = ' . $id);
DB::query('UPDATE "' . $baseDataTable
. '" SET "LastEdited" = \'' . date('Y-m-d H:i:s') . '\''
. ' WHERE "ID" = ' . $id);
}
if ($this->update_versioned_stage && $hasVersioned) {
DB::query('UPDATE "' . $table . '_' . $this->update_versioned_stage
. '" SET "' . $sortColumn . '" = ' . (($sort + 1) + $pageOffset)
. ' WHERE "ID" = ' . $id);
if ($this->hasVersionedExtension($baseDataClass)) {
DB::query('UPDATE "' . $baseDataTable . '_' . $this->update_versioned_stage
. '" SET "LastEdited" = \'' . date('Y-m-d H:i:s') . '\''
. ' WHERE "ID" = ' . $id);
}
}
}
}
//End transaction if supported
if (DB::get_conn()->supportsTransactions()) {
DB::get_conn()->transactionEnd();
}
//Event to notify the Controller or owner DataObject after list sort
if ($owner && $owner instanceof DataObject && method_exists($owner, 'onAfterGridFieldRowSort')) {
$owner->onAfterGridFieldRowSort(clone $items);
} else if (Controller::has_curr() && Controller::curr() instanceof ModelAdmin && method_exists(Controller::curr(), 'onAfterGridFieldRowSort')) {
Controller::curr()->onAfterGridFieldRowSort(clone $items);
}
}
/**
* Handles sorting across pages
* @param GridField $gridField Grid Field Reference
* @param array $data Data submitted in the request
*/
protected function sortToPage(GridField $gridField, $data)
{
if (!$paginator = $gridField->getConfig()->getComponentsByType(GridFieldPaginator::class)->First()) {
user_error('Paginator not detected', E_USER_ERROR);
}
if (empty($data['ItemID'])) {
user_error('No item to sort', E_USER_ERROR);
}
if (empty($data['Target'])) {
user_error('No target page', E_USER_ERROR);
}
/** @var \SilverStripe\Core\Extensible $className */
$className = $gridField->getModelClass();
$owner = $gridField->Form->getRecord();
/** @var DataList $items */
$items = clone $gridField->getList();
$many_many = ($items instanceof ManyManyList || $items instanceof ManyManyThroughList);
$sortColumn = $this->sortColumn;
$targetItem = $items->byID(intval($data['ItemID']));
if (!$targetItem) {
user_error('Target item not found', E_USER_ERROR);
}
$currentPage = 1;
$pageState = $gridField->State->GridFieldPaginator;
if ($pageState->currentPage && $pageState->currentPage > 1) {
$currentPage = $pageState->currentPage;
}
if ($many_many) {
$schema = Injector::inst()->get(DataObjectSchema::class);
$componentDetails = $schema->manyManyComponent(get_class($owner), (!empty($this->custom_relation_name) ? $this->custom_relation_name : $gridField->getName()));
$parentField = $componentDetails['parentField'];
$componentField = $componentDetails['childField'];
$table = $componentDetails['join'];
//For ManyManyThroughLists get the right join table
if ($items instanceof ManyManyThroughList && class_exists($table)) {
$table = $schema->tableName($table);
}
}
if ($data['Target'] == 'previouspage') {
$items = $items->limit($paginator->getItemsPerPage() + 1, ($paginator->getItemsPerPage() * ($currentPage - 1)) - 1);
} else if ($data['Target'] == 'nextpage') {
$items = $items->limit($paginator->getItemsPerPage() + 1, $paginator->getItemsPerPage() * ($currentPage - 1));
} else {
user_error('Not implemented: ' . $data['Target'], E_USER_ERROR);
}
$sortPositions = $items->column($sortColumn);
//Event to notify the Controller or owner DataObject before list sort
if ($owner && $owner instanceof DataObject && method_exists($owner, 'onBeforeGridFieldPageSort')) {
$owner->onBeforeGridFieldPageSort(clone $items);
} else if (Controller::has_curr() && Controller::curr() instanceof ModelAdmin && method_exists(Controller::curr(), 'onBeforeGridFieldPageSort')) {
Controller::curr()->onBeforeGridFieldPageSort(clone $items);
}
//Find the sort column
if ($this->update_versioned_stage && $this->hasVersionedExtension($className)) {
$table = false;
$classes = ClassInfo::ancestry($className, true);
foreach ($classes as $class) {
$db = Config::inst()->get($class, "db", CONFIG::UNINHERITED);
if (!empty($db) && array_key_exists($sortColumn, $db)) {
$table = DataObject::getSchema()->tableName($class);
break;
}
}
if ($table === false) {
user_error('Sort column ' . $this->sortColumn . ' could not be found in ' . $gridField->getModelClass() . '\'s ancestry', E_USER_ERROR);
exit;
}
}
//Start transaction if supported
if (DB::get_conn()->supportsTransactions()) {
DB::get_conn()->transactionStart();
}
if ($data['Target'] == 'previouspage') {
if ($many_many) {
DB::query('UPDATE "' . $table
. '" SET "' . $sortColumn . '" = ' . $sortPositions[0]
. ' WHERE "' . $componentField . '" = ' . $targetItem->ID . ' AND "' . $parentField . '" = ' . $owner->ID);
} else {
$targetItem->$sortColumn = $sortPositions[0];
$targetItem->write();
if ($this->update_versioned_stage && $this->hasVersionedExtension($className)) {
DB::query('UPDATE "' . $table . '_' . $this->update_versioned_stage
. '" SET "' . $sortColumn . '" = ' . $sortPositions[0]
. ' WHERE "ID" = ' . $targetItem->ID);
}
}
$i = 1;
foreach ($items as $obj) {
if ($obj->ID == $targetItem->ID || $i >= count($sortPositions)) {
continue;
}
if ($many_many) {
DB::query('UPDATE "' . $table
. '" SET "' . $sortColumn . '" = ' . $sortPositions[$i]
. ' WHERE "' . $componentField . '" = ' . $obj->ID . ' AND "' . $parentField . '" = ' . $owner->ID);
} else {
$obj->$sortColumn = $sortPositions[$i];
$obj->write();
if ($this->update_versioned_stage && $this->hasVersionedExtension($className)) {
DB::query('UPDATE "' . $table . '_' . $this->update_versioned_stage
. '" SET "' . $sortColumn . '" = ' . $sortPositions[$i]
. ' WHERE "ID" = ' . $obj->ID);
}
}
$i++;
}
} else {
if ($many_many) {
DB::query('UPDATE "' . $table
. '" SET "' . $sortColumn . '" = ' . $sortPositions[count($sortPositions) - 1]
. ' WHERE "' . $componentField . '" = ' . $targetItem->ID . ' AND "' . $parentField . '" = ' . $owner->ID);
} else {
$targetItem->$sortColumn = $sortPositions[count($sortPositions) - 1];
$targetItem->write();
if ($this->update_versioned_stage && $this->hasVersionedExtension($className)) {
DB::query('UPDATE "' . $table . '_' . $this->update_versioned_stage
. '" SET "' . $sortColumn . '" = ' . $sortPositions[count($sortPositions) - 1]
. ' WHERE "ID" = ' . $targetItem->ID);
}
}
$i = 0;
foreach ($items as $obj) {
if ($obj->ID == $targetItem->ID) {
continue;
}
if ($many_many) {
DB::query('UPDATE "' . $table
. '" SET "' . $sortColumn . '" = ' . $sortPositions[$i]
. ' WHERE "' . $componentField . '" = ' . $obj->ID . ' AND "' . $parentField . '" = ' . $owner->ID);
} else {
$obj->$sortColumn = $sortPositions[$i];
$obj->write();
if ($this->update_versioned_stage && $this->hasVersionedExtension($className)) {
DB::query('UPDATE "' . $table . '_' . $this->update_versioned_stage
. '" SET "' . $sortColumn . '" = ' . $sortPositions[$i]
. ' WHERE "ID" = ' . $obj->ID);
}
}
$i++;
}
}
//End transaction if supported
if (DB::get_conn()->supportsTransactions()) {
DB::get_conn()->transactionEnd();
}
//Event to notify the Controller or owner DataObject after list sort
if ($owner && $owner instanceof DataObject && method_exists($owner, 'onAfterGridFieldPageSort')) {
$owner->onAfterGridFieldPageSort(clone $items);
} else if (Controller::has_curr() && Controller::curr() instanceof ModelAdmin && method_exists(Controller::curr(), 'onAfterGridFieldPageSort')) {
Controller::curr()->onAfterGridFieldPageSort(clone $items);
}
}
/**
* Check to see if the given class name has the Versioned extension
* @param \SilverStripe\Core\Extensible|string $className
* @return bool
*/
public function hasVersionedExtension($className)
{
return $className::has_extension(Versioned::class);
}
/**
* Checks to see if $table_name is declared on the DataObject, if not returns string as given
* @param $className
* @return string
* @deprecated Use DataObject::getSchema()->tableName() instead
*/
public function mapTableNameAndReturn($className)
{
return DataObject::getSchema()->tableName($className);
}
}