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132 lines (115 loc) · 2.95 KB
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<?php
namespace ModStart\Field;
use ModStart\Core\Util\ConvertUtil;
use ModStart\Core\Util\SerializeUtil;
use ModStart\Field\Type\FieldRenderMode;
class Tree extends AbstractField
{
private $columnNames = [
'id' => 'id',
'title' => 'title',
'children' => '_child',
];
protected function setup()
{
$this->addVariables([
'spread' => true,
'independentEnable' => false,
'nodes' => [],
]);
}
/**
* 设置id字段映射
* @param $value
* @return $this
*/
public function columnNameId($value)
{
$this->columnNames['id'] = $value;
return $this;
}
/**
* 设置title字段映射
* @param $value
* @return $this
*/
public function columnNameTitle($value)
{
$this->columnNames['title'] = $value;
return $this;
}
/**
* 设置children字段映射
* @param $value
* @return $this
*/
public function columnNameChildren($value)
{
$this->columnNames['children'] = $value;
return $this;
}
/**
* 设置是否展开
* @param $value bool 是否展开
* @return $this
*/
public function spread($value)
{
$this->addVariables(['spread' => $value]);
return $this;
}
/**
* 是否为独立模式，独立模式下，树状的节点父子选项不会做任何关联
* @param $enable bool 是否启用独立模式
* @return $this
*/
public function independentEnable($enable)
{
$this->addVariables(['independentEnable' => $enable]);
return $this;
}
public function unserializeValue($value, AbstractField $field)
{
if (null === $value) {
return $value;
}
return ConvertUtil::toArray($value);
}
public function serializeValue($value, $model)
{
return SerializeUtil::jsonEncode($value);
}
public function prepareInput($value, $model)
{
return ConvertUtil::toArray($value);
}
/**
* 设置树状节点的待选值
*
* @param \Closure|array $tree
* @return $this
*/
public function tree($tree)
{
if ($tree instanceof \Closure) {
$tree = $tree($this);
}
$this->addVariables(['nodes' => $this->formatNodes($tree)]);
return $this;
}
private function formatNodes($tree)
{
$nodes = [];
foreach ($tree as $item) {
$newItem = [];
$newItem['spread'] = $this->getVariable('spread', true);
$newItem['id'] = $item[$this->columnNames['id']];
$newItem['title'] = $item[$this->columnNames['title']];
if (!empty($item[$this->columnNames['children']])) {
$newItem['children'] = $this->formatNodes($item[$this->columnNames['children']]);
}
$nodes[] = $newItem;
}
return $nodes;
}
}