PHP ListboxField::saveInto方法代码示例

 function saveInto(\DataObjectInterface $record)
 {
     // If tags are enabled, saving into a relation will not work properly
     if ($this->tags) {
         $fieldname = str_replace('[]', '', $this->name);
         $relation = $fieldname && $record && $record->hasMethod($fieldname) ? $record->{$fieldname}() : null;
         if ($fieldname && $record && $relation && ($relation instanceof RelationList || $relation instanceof UnsavedRelationList)) {
             $idList = is_array($this->value) ? array_values($this->value) : array();
             if (!$record->ID) {
                 $record->write();
                 // record needs to have an ID in order to set relationships
                 $relation = $fieldname && $record && $record->hasMethod($fieldname) ? $record->{$fieldname}() : null;
             }
             $newIdList = array();
             // Tags will be a list of comma separated tags by title
             $class = $relation->dataClass();
             $filterField = 'Title';
             $newList = $class::get()->filter($filterField, $idList);
             $newListMap = $newList->map($filterField, 'ID');
             // Tag will either already exist or need to be created
             foreach ($idList as $id) {
                 if (isset($newListMap[$id])) {
                     $newIdList[] = $newListMap[$id];
                 } else {
                     $obj = new $class();
                     $obj->Title = trim(str_replace(self::SEPARATOR, '', $id));
                     $obj->write();
                     $newIdList[] = $obj->ID;
                 }
             }
             $relation->setByIDList($newIdList);
         } elseif ($fieldname && $record) {
             if ($this->value) {
                 if (is_array($this->value)) {
                     $this->value = implode(self::SEPARATOR, $this->value);
                 }
                 $record->{$fieldname} = $this->value;
             } else {
                 $record->{$fieldname} = null;
             }
         }
     } else {
         return parent::saveInto($record);
     }
 }

 public function testSaveIntoManyManyRelation()
 {
     $article = $this->objFromFixture('ListboxFieldTest_Article', 'articlewithouttags');
     $articleWithTags = $this->objFromFixture('ListboxFieldTest_Article', 'articlewithtags');
     $tag1 = $this->objFromFixture('ListboxFieldTest_Tag', 'tag1');
     $tag2 = $this->objFromFixture('ListboxFieldTest_Tag', 'tag2');
     $field = new ListboxField("Tags", "Test field", DataObject::get("ListboxFieldTest_Tag")->map()->toArray());
     $field->setMultiple(true);
     // Save new relations
     $field->setValue(array($tag1->ID, $tag2->ID));
     $field->saveInto($article);
     $article = Dataobject::get_by_id('ListboxFieldTest_Article', $article->ID, false);
     $this->assertEquals(array($tag1->ID, $tag2->ID), $article->Tags()->sort('ID')->column('ID'));
     // Remove existing relation
     $field->setValue(array($tag1->ID));
     $field->saveInto($article);
     $article = Dataobject::get_by_id('ListboxFieldTest_Article', $article->ID, false);
     $this->assertEquals(array($tag1->ID), $article->Tags()->sort('ID')->column('ID'));
     // Set NULL value
     $field->setValue(null);
     $field->saveInto($article);
     $article = Dataobject::get_by_id('ListboxFieldTest_Article', $article->ID, false);
     $this->assertEquals(array(), $article->Tags()->sort('ID')->column('ID'));
 }

 /**
  * @param DataObjectInterface $record 
  * @return void
  */
 public function saveInto(DataObjectInterface $record)
 {
     if ($sortField = $this->getSort()) {
         // If we're sorting, we'll add items to the ManyManyList manually
         $name = $this->name;
         $list = $record->{$name}();
         $class = $this->dataClass;
         // Clear the list, we're rebuilding it from scratch
         $list->removeAll();
         // If nothing's been added, that's all we need to do
         if (empty($this->value)) {
             return;
         }
         // Get our selected items
         $selectedList = $class::get()->byIDs(array_values($this->value))->toArray();
         // Convert our selected items to an ID => Object associative array
         $selected = array();
         foreach ($selectedList as $item) {
             $selected[$item->ID] = $item;
         }
         // Now loop through the selected items (as these are in the correct order) and populate the list
         foreach ($this->value as $order => $id) {
             $item = $selected[$id];
             $list->add($item, array($sortField => $order));
         }
     } else {
         // If we're not sorting, ListboxField can handle saving the items
         parent::saveInto($record);
     }
 }