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namespace Encore\Admin\Form\Field; |
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use Encore\Admin\Facades\Admin; |
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use Encore\Admin\Form\Field; |
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use Illuminate\Contracts\Support\Arrayable; |
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use Illuminate\Support\Str; |
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class Select extends Field |
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{ |
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/** |
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* @var array |
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*/ |
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protected static $css = [ |
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'/vendor/laravel-admin/AdminLTE/plugins/select2/select2.min.css', |
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]; |
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/** |
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* @var array |
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*/ |
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protected static $js = [ |
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'/vendor/laravel-admin/AdminLTE/plugins/select2/select2.full.min.js', |
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]; |
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/** |
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* @var array |
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*/ |
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protected $groups = []; |
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/** |
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* @var array |
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*/ |
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protected $config = []; |
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/** |
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* Set options. |
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* |
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* @param array|callable|string $options |
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* |
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* @return $this|mixed |
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*/ |
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public function options($options = []) |
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{ |
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// remote options |
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if (is_string($options)) { |
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return $this->loadRemoteOptions(...func_get_args()); |
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} |
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if ($options instanceof Arrayable) { |
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$options = $options->toArray(); |
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} |
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if (is_callable($options)) { |
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$this->options = $options; |
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} else { |
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$this->options = (array) $options; |
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} |
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return $this; |
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} |
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/** |
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* @param array $groups |
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*/ |
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/** |
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* Set option groups. |
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* |
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* eg: $group = [ |
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* [ |
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* 'label' => 'xxxx', |
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* 'options' => [ |
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* 1 => 'foo', |
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* 2 => 'bar', |
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* ... |
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* ], |
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* ... |
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* ] |
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* |
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* @param array $groups |
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* |
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* @return $this |
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*/ |
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public function groups(array $groups) |
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{ |
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$this->groups = $groups; |
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return $this; |
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} |
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/** |
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* Load options for other select on change. |
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* |
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* @param string $field |
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* @param string $sourceUrl |
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* @param string $idField |
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* @param string $textField |
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* |
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* @return $this |
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*/ |
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public function load($field, $sourceUrl, $idField = 'id', $textField = 'text') |
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{ |
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if (Str::contains($field, '.')) { |
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$field = $this->formatName($field); |
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$class = str_replace(['[', ']'], '_', $field); |
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} else { |
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$class = $field; |
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} |
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$script = <<<EOT |
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$(document).off('change', "{$this->getElementClassSelector()}"); |
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$(document).on('change', "{$this->getElementClassSelector()}", function () { |
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var target = $(this).closest('.fields-group').find(".$class"); |
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$.get("$sourceUrl?q="+this.value, function (data) { |
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target.find("option").remove(); |
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$(target).select2({ |
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data: $.map(data, function (d) { |
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d.id = d.$idField; |
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d.text = d.$textField; |
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return d; |
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}) |
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}).trigger('change'); |
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}); |
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}); |
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EOT; |
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Admin::script($script); |
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return $this; |
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} |
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/** |
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* Load options for other selects on change. |
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* |
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* @param string $fields |
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* @param string $sourceUrls |
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* @param string $idField |
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* @param string $textField |
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* |
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* @return $this |
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*/ |
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public function loads($fields = [], $sourceUrls = [], $idField = 'id', $textField = 'text') |
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{ |
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$fieldsStr = implode('.', $fields); |
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$urlsStr = implode('^', $sourceUrls); |
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$script = <<<EOT |
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var fields = '$fieldsStr'.split('.'); |
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var urls = '$urlsStr'.split('^'); |
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var refreshOptions = function(url, target) { |
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$.get(url).then(function(data) { |
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target.find("option").remove(); |
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$(target).select2({ |
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data: $.map(data, function (d) { |
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d.id = d.$idField; |
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d.text = d.$textField; |
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return d; |
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}) |
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}).trigger('change'); |
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}); |
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}; |
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$(document).off('change', "{$this->getElementClassSelector()}"); |
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$(document).on('change', "{$this->getElementClassSelector()}", function () { |
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var _this = this; |
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var promises = []; |
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fields.forEach(function(field, index){ |
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var target = $(_this).closest('.fields-group').find('.' + fields[index]); |
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promises.push(refreshOptions(urls[index] + "?q="+ _this.value, target)); |
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}); |
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$.when(promises).then(function() { |
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console.log('开始更新其它select的选择options'); |
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}); |
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}); |
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EOT; |
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Admin::script($script); |
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return $this; |
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} |
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/** |
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* Load options from remote. |
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* |
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* @param string $url |
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* @param array $parameters |
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* @param array $options |
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* |
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* @return $this |
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*/ |
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View Code Duplication |
protected function loadRemoteOptions($url, $parameters = [], $options = []) |
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{ |
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$ajaxOptions = [ |
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'url' => $url.'?'.http_build_query($parameters), |
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]; |
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$ajaxOptions = json_encode(array_merge($ajaxOptions, $options)); |
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$this->script = <<<EOT |
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$.ajax($ajaxOptions).done(function(data) { |
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$("{$this->getElementClassSelector()}").select2({data: data}); |
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}); |
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EOT; |
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return $this; |
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} |
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/** |
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* Load options from ajax results. |
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* |
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* @param string $url |
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* @param $idField |
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* @param $textField |
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* |
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* @return $this |
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*/ |
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public function ajax($url, $idField = 'id', $textField = 'text') |
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{ |
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$this->script = <<<EOT |
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$("{$this->getElementClassSelector()}").select2({ |
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ajax: { |
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url: "$url", |
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dataType: 'json', |
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delay: 250, |
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data: function (params) { |
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return { |
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q: params.term, |
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page: params.page |
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}; |
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}, |
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processResults: function (data, params) { |
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params.page = params.page || 1; |
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return { |
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results: $.map(data.data, function (d) { |
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d.id = d.$idField; |
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d.text = d.$textField; |
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return d; |
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}), |
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pagination: { |
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more: data.next_page_url |
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} |
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}; |
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}, |
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cache: true |
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}, |
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minimumInputLength: 1, |
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escapeMarkup: function (markup) { |
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return markup; |
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} |
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}); |
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EOT; |
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return $this; |
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} |
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/** |
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* Set config for select2. |
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* |
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* all configurations see https://select2.org/configuration/options-api |
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* |
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* @param string $key |
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* @param mixed $val |
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* |
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* @return $this |
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*/ |
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public function config($key, $val) |
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{ |
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$this->config[$key] = $val; |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function render() |
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{ |
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$configs = array_merge([ |
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'allowClear' => true, |
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'placeholder' => $this->label, |
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], $this->config); |
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$configs = json_encode($configs); |
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if (empty($this->script)) { |
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$this->script = "$(\"{$this->getElementClassSelector()}\").select2($configs);"; |
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} |
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if ($this->options instanceof \Closure) { |
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if ($this->form) { |
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$this->options = $this->options->bindTo($this->form->model()); |
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} |
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$this->options(call_user_func($this->options, $this->value)); |
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} |
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$this->options = array_filter($this->options); |
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$this->addVariables([ |
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'options' => $this->options, |
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'groups' => $this->groups, |
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]); |
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return parent::render(); |
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} |
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} |
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It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: