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HasManyDataObjectManager.php
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187 lines (152 loc) · 5.77 KB
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<?php
class HasManyDataObjectManager extends DataObjectManager
{
public $joinField;
public $addTitle;
public $RelationType = "HasMany";
protected $htmlListEndName = 'CheckedList';
protected $htmlListField = 'selected';
public $template = 'RelationDataObjectManager';
public $itemClass = 'HasManyDataObjectManager_Item';
protected $relationAutoSetting = false;
protected $markingPermission;
/**
* Most of the code below was copied from HasManyComplexTableField.
* Painful, but necessary, until PHP supports multiple inheritance.
*/
function __construct($controller, $name, $sourceClass, $fieldList = null, $detailFormFields = null, $sourceFilter = "", $sourceSort = "", $sourceJoin = "")
{
parent::__construct($controller, $name, $sourceClass, $fieldList, $detailFormFields, $sourceFilter, $sourceSort, $sourceJoin);
$this->Markable = true;
if($controllerClass = $this->controllerClass()) {
$this->joinField = $this->getParentIdName($controllerClass, $this->sourceClass);
} else {
user_error("Can't figure out the data class of $controller", E_USER_WARNING);
}
}
/**
* Try to determine the DataObject that this field is built on top of
*/
function controllerClass() {
if($this->controller instanceof DataObject) return $this->controller->class;
elseif($this->controller instanceof ContentController) return $this->controller->data()->class;
}
public function setMarkingPermission($perm)
{
$this->markingPermission = $perm;
}
public function hasMarkingPermission()
{
if(is_bool($this->markingPermission))
return $this->markingPermission;
elseif($this->markingPermission)
return Permission::check($this->markingPermission);
return true;
}
public function setParentClass($class)
{
parent::setParentClass($class);
$this->joinField = $this->getParentIdName($class, $this->sourceClass);
}
function getQuery($limitClause = null) {
if($this->customQuery) {
$query = $this->customQuery;
$query->select[] = "\"{$this->sourceClass}\".\"ID\" AS \"ID\"";
$query->select[] = "\"{$this->sourceClass}\".\"ClassName\" AS \"ClassName\"";
$query->select[] = "\"{$this->sourceClass}\".\"ClassName\" AS \"RecordClassName\"";
}
else {
$query = singleton($this->sourceClass)->extendedSQL($this->sourceFilter, $this->sourceSort, $limitClause, $this->sourceJoin);
// Add more selected fields if they are from joined table.
$SNG = singleton($this->sourceClass);
foreach($this->FieldList() as $k => $title) {
if(! $SNG->hasField($k) && ! $SNG->hasMethod('get' . $k) && ! $SNG->has_one($k))
$query->select[] = $k;
}
}
return clone $query;
}
function sourceItems() {
if($this->sourceItems)
return $this->sourceItems;
$limitClause = '';
if(isset($_REQUEST[ 'ctf' ][ $this->Name() ][ 'start' ]) && is_numeric($_REQUEST[ 'ctf' ][ $this->Name() ][ 'start' ]))
$limitClause = $_REQUEST[ 'ctf' ][ $this->Name() ][ 'start' ] . ", $this->pageSize";
else
$limitClause = "0, $this->pageSize";
$dataQuery = $this->getQuery($limitClause);
$records = $dataQuery->execute();
$items = new DataObjectSet();
$class = $this->sourceClass;
foreach($records as $record) {
$items->push(new $class($record));
}
// changed to avoid using $this->unpagedSourceItems because it fails on large datasets
$this->totalCount = $this->getQuery()->unlimitedRowCount();
return $items;
}
function getControllerID() {
return $this->controller->ID;
}
public function SortableClass()
{
return $this->sourceClass();
}
function saveInto(DataObject $record) {
$fieldName = $this->name;
$saveDest = $record->$fieldName();
if(! $saveDest)
user_error("HasManyDataObjectManager::saveInto() Field '$fieldName' not found on $record->class.$record->ID", E_USER_ERROR);
$items = array();
if($list = $this->value[ $this->htmlListField ]) {
if($list != 'undefined')
$items = explode(',', trim($list,","));
}
$saveDest->setByIDList($items);
}
function ExtraData() {
$items = array();
// changed to avoid having to use $this->unpagedSourceItems because it fails on large datasets
$items = $this->getSelectedIDs();
$list = implode(',', $items);
$value = ",";
$value .= !empty($list) ? $list."," : "";
$inputId = $this->id() . '_' . $this->htmlListEndName;
return <<<HTML
<input id="$inputId" name="{$this->name}[{$this->htmlListField}]" type="hidden" value="{$value}"/>
<input id="{$inputId}_UnChecked" name="{$this->name}[{$this->htmlListField}_UnChecked]" type="hidden" value=""/>
HTML;
}
/**
* Returns the list of IDs that should be checked in the list.
* @see HasManyDataObjectManager::getSelectedIDs()
* @return array
*/
function getSelectedIDs() {
$ids = array();
$dataQuery = $this->getQuery();
$dataQuery->where("\"{$this->joinField}\" = '{$this->controller->ID}'");
$records = $dataQuery->execute();
$class = $this->sourceClass;
foreach($records as $record) {
$item = new $class($record);
$ids[] = $item->ID;
}
return $ids;
}
}
class HasManyDataObjectManager_Item extends DataObjectManager_Item {
function MarkingCheckbox() {
$name = $this->parent->Name() . '[]';
$joinVal = $this->item->{$this->parent->joinField};
$parentID = $this->parent->getControllerID();
$disabled = $this->parent->hasMarkingPermission() ? "" : "disabled='disabled'";
if($this->parent->IsReadOnly || ($joinVal > 0 && $joinVal != $parentID))
return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" disabled=\"disabled\"/>";
else if($joinVal == $parentID)
return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" checked=\"checked\" $disabled />";
else
return "<input class=\"checkbox\" type=\"checkbox\" name=\"$name\" value=\"{$this->item->ID}\" $disabled />";
}
}
?>