本文整理汇总了PHP中DataList::first方法的典型用法代码示例。如果您正苦于以下问题：PHP DataList::first方法的具体用法？PHP DataList::first怎么用？PHP DataList::first使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DataList的用法示例。
在下文中一共展示了DataList::first方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: getCMSFields
public function getCMSFields()
{
$fields = parent::getCMSFields();
// Remove MCListSegment GridField Tab And Manually Manage
$fields->removeByName("MCListSegments");
// Manually Manage Creation of MCListSegments Based on Selected MCLists
if (empty($this->owner->ID)) {
$lists = new DataList("MCList");
if ($lists->count() > 1) {
$fields->addFieldToTab('Root.Main', new LiteralField('_AffectedMCListsTitle', '<h2>Affected MailChimp Lists</h2>'));
$map = $lists->map("ID", "Name");
$listIDs = new CheckboxSetField('_AffectedMCListIDs', 'Which MailChimp List(s) Does This Event Relate To', $map);
$listIDs->setDefaultItems(array_keys($map->toArray()));
} else {
if ($lists->count() == 1) {
$listIDs = new HiddenField('_AffectedMCListIDs', 'Which MailChimp List(s) Does This Event Relate To', $lists->first()->ID);
} else {
$listIDs = new HiddenField('_AffectedMCListIDs', 'Which MailChimp List(s) Does This Event Relate To', 0);
}
}
$fields->addFieldToTab('Root.Main', $listIDs);
}
// Configure Attendees Gridfield
$gf = $fields->fieldByName('Root.Attendees.Attendees');
if (is_object($gf) && $gf->exists()) {
$gf->setList($this->getMyManyManyComponents('Attendees'));
$config = $gf->getConfig();
$config->removeComponentsByType('GridfieldAddNewButton');
}
return $fields;
}示例2: attachToMoreRelevantHasOne
/**
* Usage: Find the copied ("NEW") equivalent of the old has-one relation and attach it to the newObject ...
* @param DataObject $copyFrom
* @param DataObject $newObject
* @param String $hasOneMethod - the fieldname (method) of the has one relations (e.g. MyOtherDataObject)
* @param DataList $dataListToChooseFrom
*
* @return CopyFactory
*/
public function attachToMoreRelevantHasOne($copyFrom, $newObject, $hasOneMethod, $dataListToChooseFrom)
{
$fieldNameWithID = $hasOneMethod . "ID";
if ($this->recordSession) {
self::add_to_session("\n\t\t\t\t\t====================================\n\t\t\t\t\tATTACH TO MORE RELEVANT HAS-ONE\n\t\t\t\t\tFIELD {$hasOneMethod}\n\t\t\t\t\tOBJECTS TO CHOOSE FROM: " . $dataListToChooseFrom->sql() . "\n\t\t\t\t\t====================================\n\t\t\t\t", $copyFrom, $newObject);
}
if ($copyFrom->{$fieldNameWithID}) {
//find out field to choose from
$firstObject = $dataListToChooseFrom->first();
if ($firstObject) {
$dataListToChooseFrom = $dataListToChooseFrom->filter(array($firstObject->CopiedFromFieldName($withID = true) => $copyFrom->{$fieldNameWithID}))->Sort("Created DESC");
$count = $dataListToChooseFrom->count();
if ($count == 1 && ($newAttachment = $dataListToChooseFrom->First())) {
if ($this->recordSession) {
self::add_to_session("Found Matching record.", $copyFrom, $newObject);
}
if ($this->isForReal) {
$newObject->{$fieldNameWithID} = $newAttachment->ID;
$newObject->write();
}
} else {
if ($this->recordSession) {
if ($count > 1) {
self::add_to_session("ERROR: found too many Matching records.", $copyFrom, $newObject);
} elseif ($count == 0) {
self::add_to_session("ERROR: Could not find any Matching records.", $copyFrom, $newObject);
} else {
self::add_to_session("ERROR: There was an error retrieving the matching record.", $copyFrom, $newObject);
}
}
if ($this->isForReal) {
$newObject->{$fieldNameWithID} = 0;
$newObject->write();
}
}
} else {
self::add_to_session("ERROR: Could not find any Matching records from base DataList.", $copyFrom, $newObject);
$newObject->{$fieldNameWithID} = 0;
$newObject->write();
}
} else {
if ($this->recordSession) {
self::add_to_session("copyFrom object does not have a value for: {$fieldNameWithID}", $copyFrom, $newObject);
}
}
if ($this->recordSession) {
self::add_to_session("*** END OF attachToMoreRelevantHasOne ***", $copyFrom, $newObject);
}
return $this;
}