575 lines
19 KiB
PHP
575 lines
19 KiB
PHP
<?php
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/**
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* This component provides a checkbox which when checked enables drag-and-drop re-ordering of elements displayed in a {@link GridField}
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*
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* @package forms
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*/
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class GridFieldSortableRows implements GridField_HTMLProvider, GridField_ActionProvider, GridField_DataManipulator {
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protected $sortColumn;
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protected $disable_selection=true;
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protected $append_to_top=false;
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/**
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* @param String $sortColumn Column that should be used to update the sort information
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* @param bool $disableSelection
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*/
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public function __construct($sortColumn, $disableSelection = true) {
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$this->sortColumn = $sortColumn;
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$this->disable_selection = $disableSelection;
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}
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/**
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* Returns a map where the keys are fragment names and the values are pieces of HTML to add to these fragments.
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* @param GridField $gridField Grid Field Reference
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* @return Array Map where the keys are fragment names and the values are pieces of HTML to add to these fragments.
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*/
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public function getHTMLFragments($gridField) {
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$dataList = $gridField->getList();
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if(class_exists('UnsavedRelationList') && $dataList instanceof UnsavedRelationList) {
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return array();
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}
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$state = $gridField->State->GridFieldSortableRows;
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if(!is_bool($state->sortableToggle)) {
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$state->sortableToggle = false;
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}
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//Ensure user can edit
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if(!singleton($gridField->getModelClass())->canEdit()){
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return array();
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}
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//Sort order toggle
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$sortOrderToggle = GridField_FormAction::create(
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$gridField,
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'sortablerows-toggle',
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'sorttoggle',
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'sortableRowsToggle',
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null
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)->addExtraClass('sortablerows-toggle');
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$sortOrderSave = GridField_FormAction::create(
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$gridField,
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'sortablerows-savesort',
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'savesort',
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'saveGridRowSort',
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null
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)->addExtraClass('sortablerows-savesort');
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//Sort to Page Action
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$sortToPage = GridField_FormAction::create(
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$gridField,
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'sortablerows-sorttopage',
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'sorttopage',
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'sortToPage',
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null
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)->addExtraClass('sortablerows-sorttopage');
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$data = array('SortableToggle' => $sortOrderToggle,
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'SortOrderSave' => $sortOrderSave,
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'SortToPage' => $sortToPage,
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'Checked' => ($state->sortableToggle == true ? ' checked = "checked"':''),
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'List' => $dataList);
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$forTemplate = new ArrayData($data);
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//Inject Requirements
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$custom = Config::inst()->get('GridFieldSortableRows', 'Base');
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$base = $custom ?: SORTABLE_GRIDFIELD_BASE;
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Requirements::css($base . '/css/GridFieldSortableRows.css');
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Requirements::javascript($base . '/javascript/GridFieldSortableRows.js');
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$args = array('Colspan' => count($gridField->getColumns()), 'ID' => $gridField->ID(), 'DisableSelection' => $this->disable_selection);
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$fragments=array('header' => $forTemplate->renderWith('GridFieldSortableRows', $args));
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if($gridField->getConfig()->getComponentByType('GridFieldPaginator')) {
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$fragments['after']=$forTemplate->renderWith('GridFieldSortableRows_paginator');
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}
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return $fragments;
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}
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/**
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* Manipulate the datalist as needed by this grid modifier.
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* @param GridField $gridField Grid Field Reference
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* @param SS_List $dataList Data List to adjust
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* @return DataList Modified Data List
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*/
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public function getManipulatedData(GridField $gridField, SS_List $dataList) {
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//Detect and correct items with a sort column value of 0 (push to bottom)
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$this->fixSortColumn($gridField, $dataList);
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$headerState = $gridField->State->GridFieldSortableHeader;
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$state = $gridField->State->GridFieldSortableRows;
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if ((!is_bool($state->sortableToggle) || $state->sortableToggle==false) && $headerState && !empty($headerState->SortColumn)) {
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return $dataList->sort($this->sortColumn);
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}
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if ($state->sortableToggle == true) {
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$gridField->getConfig()->removeComponentsByType('GridFieldFilterHeader');
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$gridField->getConfig()->removeComponentsByType('GridFieldSortableHeader');
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}
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return $dataList->sort($this->sortColumn);
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}
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/**
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* Sets if new records should be appended to the top or the bottom of the list
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* @param bool $value Boolean true to append to the top false to append to the bottom
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* @return GridFieldSortableRows Returns the current instance
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*/
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public function setAppendToTop($value) {
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$this->append_to_top=$value;
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return $this;
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}
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/**
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* @param bool $value Boolean true to disable selection of table contents false to enable selection
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* @return GridFieldSortableRows Returns the current instance
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*/
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public function setDisableSelection($value){
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$this->disable_selection = $value;
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return $this;
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}
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/**
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* Detects and corrects items with a sort column value of 0, by appending them to the bottom of the list
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* @param GridField $gridField Grid Field Reference
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* @param SS_List $dataList Data List of items to be checked
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*/
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protected function fixSortColumn($gridField, SS_List $dataList) {
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if(class_exists('UnsavedRelationList') && $dataList instanceof UnsavedRelationList) {
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return;
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}
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$list=clone $dataList;
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$list=$list->alterDataQuery(function($query, SS_List $tmplist) {
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$query->limit(array());
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return $query;
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});
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$many_many = ($list instanceof ManyManyList);
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if (!$many_many) {
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$sng=singleton($gridField->getModelClass());
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$fieldType=$sng->db($this->sortColumn);
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if(!$fieldType || !($fieldType=='Int' || is_subclass_of('Int', $fieldType))) {
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if(is_array($fieldType)) {
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user_error('Sort column '.$this->sortColumn.' could not be found in '.$gridField->getModelClass().'\'s ancestry', E_USER_ERROR);
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}else {
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user_error('Sort column '.$this->sortColumn.' must be an Int, column is of type '.$fieldType, E_USER_ERROR);
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}
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exit;
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}
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}
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$max = $list->Max($this->sortColumn);
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$list=$list->filter($this->sortColumn, 0)->sort("Created,ID");
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if($list->Count()>0) {
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$owner = $gridField->Form->getRecord();
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$sortColumn = $this->sortColumn;
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$i = 1;
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if ($many_many) {
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list($parentClass, $componentClass, $parentField, $componentField, $table) = $owner->many_many($gridField->getName());
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$extraFields=$owner->many_many_extraFields($gridField->getName());
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if(!$extraFields || !array_key_exists($this->sortColumn, $extraFields) || !($extraFields[$this->sortColumn]=='Int' || is_subclass_of('Int', $extraFields[$this->sortColumn]))) {
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user_error('Sort column '.$this->sortColumn.' must be an Int, column is of type '.$extraFields[$this->sortColumn], E_USER_ERROR);
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exit;
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}
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}else {
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//Find table containing the sort column
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$table=false;
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$class=$gridField->getModelClass();
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$db = Config::inst()->get($class, "db", CONFIG::UNINHERITED);
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if(!empty($db) && array_key_exists($sortColumn, $db)) {
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$table=$class;
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}else {
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$classes=ClassInfo::ancestry($class, true);
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foreach($classes as $class) {
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$db = Config::inst()->get($class, "db", CONFIG::UNINHERITED);
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if(!empty($db) && array_key_exists($sortColumn, $db)) {
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$table=$class;
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break;
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}
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}
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}
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if($table===false) {
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user_error('Sort column '.$this->sortColumn.' could not be found in '.$gridField->getModelClass().'\'s ancestry', E_USER_ERROR);
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exit;
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}
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$baseDataClass=ClassInfo::baseDataClass($gridField->getModelClass());
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}
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//Start transaction if supported
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if(DB::getConn()->supportsTransactions()) {
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DB::getConn()->transactionStart();
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}
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$idCondition=null;
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if($this->append_to_top && !($list instanceof RelationList)) {
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$idCondition='"ID" IN(\''.implode("','", $dataList->getIDList()).'\')';
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}
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if($this->append_to_top) {
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$topIncremented=array();
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}
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foreach($list as $obj) {
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if($many_many) {
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if($this->append_to_top) {
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//Upgrade all the records (including the last inserted from 0 to 1)
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DB::query('UPDATE "' . $table
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. '" SET "' . $sortColumn . '" = "' . $sortColumn .'"+1'
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. ' WHERE "' . $parentField . '" = ' . $owner->ID . (!empty($topIncremented) ? ' AND "' . $componentField . '" NOT IN(\''.implode('\',\'', $topIncremented).'\')':''));
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$topIncremented[]=$obj->ID;
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}else {
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//Append the last record to the bottom
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DB::query('UPDATE "' . $table
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. '" SET "' . $sortColumn .'" = ' . ($max + $i)
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. ' WHERE "' . $componentField . '" = ' . $obj->ID . ' AND "' . $parentField . '" = ' . $owner->ID);
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}
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}else if($this->append_to_top) {
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//Upgrade all the records (including the last inserted from 0 to 1)
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DB::query('UPDATE "' . $table
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. '" SET "' . $sortColumn . '" = "' . $sortColumn .'"+1'
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. ' WHERE '.($list instanceof RelationList ? '"' . $list->foreignKey . '" = '. $owner->ID:$idCondition) . (!empty($topIncremented) ? ' AND "ID" NOT IN(\''.implode('\',\'', $topIncremented).'\')':''));
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//LastEdited
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DB::query('UPDATE "' . $baseDataClass
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. '" SET "LastEdited" = \'' . date('Y-m-d H:i:s') . '\''
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. ' WHERE '.($list instanceof RelationList ? '"' . $list->foreignKey . '" = '. $owner->ID:$idCondition) . (!empty($topIncremented) ? ' AND "ID" NOT IN(\''.implode('\',\'', $topIncremented).'\')':''));
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$topIncremented[]=$obj->ID;
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}else {
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//Append the last record to the bottom
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DB::query('UPDATE "' . $table
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. '" SET "' . $sortColumn . '" = ' . ($max + $i)
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. ' WHERE "ID" = '. $obj->ID);
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//LastEdited
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DB::query('UPDATE "' . $baseDataClass
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. '" SET "LastEdited" = \'' . date('Y-m-d H:i:s') . '\''
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. ' WHERE "ID" = '. $obj->ID);
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}
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$i++;
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}
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//End transaction if supported
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if(DB::getConn()->supportsTransactions()) {
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DB::getConn()->transactionEnd();
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}
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}
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}
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/**
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* Return a list of the actions handled by this action provider.
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* @param GridField $gridField Grid Field Reference
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* @return Array Array with action identifier strings.
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*/
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public function getActions($gridField) {
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return array('saveGridRowSort', 'sortableRowsToggle', 'sortToPage');
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}
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/**
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* Handle an action on the given grid field.
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* @param GridField $gridField Grid Field Reference
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* @param String $actionName Action identifier, see {@link getActions()}.
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* @param Array $arguments Arguments relevant for this
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* @param Array $data All form data
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*/
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public function handleAction(GridField $gridField, $actionName, $arguments, $data) {
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$state = $gridField->State->GridFieldSortableRows;
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if (!is_bool($state->sortableToggle)) {
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$state->sortableToggle = false;
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} else if ($state->sortableToggle == true) {
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$gridField->getConfig()->removeComponentsByType('GridFieldFilterHeader');
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$gridField->getConfig()->removeComponentsByType('GridFieldSortableHeader');
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}
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if ($actionName == 'savegridrowsort') {
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return $this->saveGridRowSort($gridField, $data);
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} else if ($actionName == 'sorttopage') {
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return $this->sortToPage($gridField, $data);
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}
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}
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/**
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* Handles saving of the row sort order
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* @param GridField $gridField Grid Field Reference
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* @param Array $data Data submitted in the request
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*/
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protected function saveGridRowSort(GridField $gridField, $data) {
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$dataList = $gridField->getList();
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if(class_exists('UnsavedRelationList') && $dataList instanceof UnsavedRelationList) {
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user_error('Cannot sort an UnsavedRelationList', E_USER_ERROR);
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return;
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}
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if(!singleton($gridField->getModelClass())->canEdit()){
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throw new ValidationException(_t('GridFieldSortableRows.EditPermissionsFailure', "No edit permissions"),0);
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}
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if (empty($data['ItemIDs'])) {
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user_error('No items to sort', E_USER_ERROR);
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}
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$className = $gridField->getModelClass();
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$owner = $gridField->Form->getRecord();
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$items = clone $gridField->getList();
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$many_many = ($items instanceof ManyManyList);
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$sortColumn = $this->sortColumn;
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$pageOffset = 0;
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if ($paginator = $gridField->getConfig()->getComponentsByType('GridFieldPaginator')->First()) {
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$pageState = $gridField->State->GridFieldPaginator;
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if($pageState->currentPage && is_int($pageState->currentPage) && $pageState->currentPage>1) {
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$pageOffset = $paginator->getItemsPerPage() * ($pageState->currentPage - 1);
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}
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}
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if ($many_many) {
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list($parentClass, $componentClass, $parentField, $componentField, $table) = $owner->many_many($gridField->getName());
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}else {
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//Find table containing the sort column
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$table=false;
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$class=$gridField->getModelClass();
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$db = Config::inst()->get($class, "db", CONFIG::UNINHERITED);
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if(!empty($db) && array_key_exists($sortColumn, $db)) {
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$table=$class;
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}else {
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$classes=ClassInfo::ancestry($class, true);
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foreach($classes as $class) {
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$db = Config::inst()->get($class, "db", CONFIG::UNINHERITED);
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if(!empty($db) && array_key_exists($sortColumn, $db)) {
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$table=$class;
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break;
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}
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}
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}
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if($table===false) {
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user_error('Sort column '.$this->sortColumn.' could not be found in '.$gridField->getModelClass().'\'s ancestry', E_USER_ERROR);
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exit;
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}
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$baseDataClass=ClassInfo::baseDataClass($gridField->getModelClass());
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}
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//Event to notify the Controller or owner DataObject before list sort
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if($owner && $owner instanceof DataObject && method_exists($owner, 'onBeforeGridFieldRowSort')) {
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$owner->onBeforeGridFieldRowSort(clone $items);
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}else if(Controller::has_curr() && Controller::curr() instanceof ModelAdmin && method_exists(Controller::curr(), 'onBeforeGridFieldRowSort')) {
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Controller::curr()->onBeforeGridFieldRowSort(clone $items);
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}
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//Start transaction if supported
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if(DB::getConn()->supportsTransactions()) {
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DB::getConn()->transactionStart();
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}
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//Perform sorting
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$ids = explode(',', $data['ItemIDs']);
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for($sort = 0;$sort<count($ids);$sort++) {
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$id = intval($ids[$sort]);
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if ($many_many) {
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DB::query('UPDATE "' . $table
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. '" SET "' . $sortColumn.'" = ' . (($sort + 1) + $pageOffset)
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. ' WHERE "' . $componentField . '" = ' . $id . ' AND "' . $parentField . '" = ' . $owner->ID);
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} else {
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DB::query('UPDATE "' . $table
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. '" SET "' . $sortColumn . '" = ' . (($sort + 1) + $pageOffset)
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. ' WHERE "ID" = '. $id);
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DB::query('UPDATE "' . $baseDataClass
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. '" SET "LastEdited" = \'' . date('Y-m-d H:i:s') . '\''
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. ' WHERE "ID" = '. $id);
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}
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}
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//End transaction if supported
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if(DB::getConn()->supportsTransactions()) {
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DB::getConn()->transactionEnd();
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}
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//Event to notify the Controller or owner DataObject after list sort
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if($owner && $owner instanceof DataObject && method_exists($owner, 'onAfterGridFieldRowSort')) {
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$owner->onAfterGridFieldRowSort(clone $items);
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}else if(Controller::has_curr() && Controller::curr() instanceof ModelAdmin && method_exists(Controller::curr(), 'onAfterGridFieldRowSort')) {
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Controller::curr()->onAfterGridFieldRowSort(clone $items);
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}
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}
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/**
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* Handles sorting across pages
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* @param GridField $gridField Grid Field Reference
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* @param Array $data Data submitted in the request
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*/
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protected function sortToPage(GridField $gridField, $data) {
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if (!$paginator = $gridField->getConfig()->getComponentsByType('GridFieldPaginator')->First()) {
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user_error('Paginator not detected', E_USER_ERROR);
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}
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if (empty($data['ItemID'])) {
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user_error('No item to sort', E_USER_ERROR);
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}
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if (empty($data['Target'])) {
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user_error('No target page', E_USER_ERROR);
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}
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$className = $gridField->getModelClass();
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$owner = $gridField->Form->getRecord();
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$items = clone $gridField->getList();
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$many_many = ($items instanceof ManyManyList);
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$sortColumn = $this->sortColumn;
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$targetItem = $items->byID(intval($data['ItemID']));
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if (!$targetItem) {
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user_error('Target item not found', E_USER_ERROR);
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}
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$currentPage = 1;
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$pageState = $gridField->State->GridFieldPaginator;
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if($pageState->currentPage && $pageState->currentPage>1) {
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$currentPage = $pageState->currentPage;
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}
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if ($many_many) {
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list($parentClass, $componentClass, $parentField, $componentField, $table) = $owner->many_many($gridField->getName());
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}
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if ($data['Target'] == 'previouspage') {
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$items = $items->limit($paginator->getItemsPerPage() + 1, ($paginator->getItemsPerPage() * ($currentPage - 1)) - 1);
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} else if ($data['Target'] == 'nextpage') {
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$items = $items->limit($paginator->getItemsPerPage() + 1, $paginator->getItemsPerPage() * ($currentPage - 1));
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} else {
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user_error('Not implemented: '.$data['Target'], E_USER_ERROR);
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}
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$sortPositions = $items->column($sortColumn);
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//Event to notify the Controller or owner DataObject before list sort
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if($owner && $owner instanceof DataObject && method_exists($owner, 'onBeforeGridFieldPageSort')) {
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$owner->onBeforeGridFieldPageSort(clone $items);
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}else if(Controller::has_curr() && Controller::curr() instanceof ModelAdmin && method_exists(Controller::curr(), 'onBeforeGridFieldPageSort')) {
|
|
Controller::curr()->onBeforeGridFieldPageSort(clone $items);
|
|
}
|
|
|
|
|
|
//Start transaction if supported
|
|
if(DB::getConn()->supportsTransactions()) {
|
|
DB::getConn()->transactionStart();
|
|
}
|
|
|
|
if($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();
|
|
}
|
|
|
|
|
|
$i = 1;
|
|
foreach ($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();
|
|
}
|
|
|
|
$i++;
|
|
}
|
|
} else {
|
|
if ($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();
|
|
}
|
|
|
|
|
|
$i = 0;
|
|
foreach ($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();
|
|
}
|
|
|
|
$i++;
|
|
}
|
|
}
|
|
|
|
|
|
//End transaction if supported
|
|
if(DB::getConn()->supportsTransactions()) {
|
|
DB::getConn()->transactionEnd();
|
|
}
|
|
|
|
|
|
//Event to notify the Controller or owner DataObject after list sort
|
|
if($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);
|
|
}
|
|
}
|
|
}
|
|
?>
|