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<?php |
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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\Database\Eloquent\Model; |
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use Illuminate\Support\Arr; |
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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($options)) { |
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// reload selected |
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if (class_exists($options) && in_array(Model::class, class_parents($options))) { |
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return $this->model(...func_get_args()); |
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} |
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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 $this; |
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} |
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private function template($key, $val) |
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{ |
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$this->config['escapeMarkup'] = 'function (markup) {return markup;}'; |
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$key = strtolower($key); |
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$func_key = "template" . ucfirst($key); |
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$func_name = str_replace('.', '', "{$this->getElementClassSelector()}_{$key}"); |
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$this->config[$func_key] = $func_name; |
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$script = implode("\n", [ |
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"{$func_name} = function(data) {", |
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"\tif ( !data.id || data.loading) return data.text;", |
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$val, |
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'}', |
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]); |
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Admin::script($script); |
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} |
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public function templateResult(string $view) |
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{ |
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$this->template('result', $view); |
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return $this; |
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} |
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public function templateSelection(string $view) |
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{ |
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$this->template('selection', $view); |
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return $this; |
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} |
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public function readonly() |
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{ |
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$script = <<<'EOT' |
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$("form select").on("select2:opening", function (e) { |
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if($(this).attr('readonly') || $(this).is(':hidden')){ |
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e.preventDefault(); |
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} |
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}); |
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$(document).ready(function(){ |
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$('select').each(function(){ |
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if($(this).is('[readonly]')){ |
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$(this).closest('.form-group').find('span.select2-selection__choice__remove').first().remove(); |
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$(this).closest('.form-group').find('li.select2-search').first().remove(); |
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$(this).closest('.form-group').find('span.select2-selection__clear').first().remove(); |
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} |
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}); |
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}); |
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EOT; |
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Admin::script($script); |
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// $this->config('allowClear', false); |
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$this->attribute('readonly'); |
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return $this; |
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} |
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private function buildJsJson(array $options, array $functions = []) |
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{ |
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$functions = array_merge([ |
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'ajax', |
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'escapeMarkup', |
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'templateResult', |
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'templateSelection', |
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'initSelection', |
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'sorter', |
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'tokenizer', |
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], $functions); |
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return implode( |
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",\n", |
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array_map(function ($u, $v) use ($functions) { |
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if (is_string($v)) { |
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return in_array($u, $functions) ? "{$u}: {$v}" : "{$u}: \"{$v}\""; |
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} |
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return "{$u}: " . json_encode($v); |
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}, array_keys($options), $options) |
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); |
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} |
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private function configs($default = [], $quoted = false) |
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{ |
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$configs = array_merge( |
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[ |
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'allowClear' => true, |
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'language' => app()->getLocale(), |
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'placeholder' => [ |
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'id' => '', |
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'text' => $this->label, |
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], |
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'escapeMarkup' => 'function (markup) {return markup;}', |
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], |
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$default, |
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$this->config |
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); |
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$configs = $this->buildJsJson($configs); |
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return $quoted ? '{' . $configs . '}' : $configs; |
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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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if(this.value) |
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$.get("$sourceUrl?q="+this.value, function (data) { |
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target.find("option").remove(); |
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config=window._config[".{$class}"]; |
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config.data=$.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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$(target).select2(config).trigger('change'); |
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}); |
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}); |
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EOT; |
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Admin::script($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, name) { |
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$.get(url).then(function(data) { |
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target.find("option").remove(); |
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config=window._config[name]; |
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config.data=$.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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$(target).select2(config).trigger('change'); |
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}); |
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}; |
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$(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 = $(_this).closest('.fields-group').find('.' + fields[index]); |
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promises.push(refreshOptions(urls[index] + "?q="+ _this.value, target, name)); |
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}); |
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$.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 current selected resource(s). |
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* |
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* @param string $model |
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* @param string $idField |
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* @param string $textField |
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* |
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* @return $this |
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*/ |
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View Code Duplication |
public function model($model, $idField = 'id', $textField = 'name') |
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{ |
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if ( |
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!class_exists($model) |
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|| !in_array(Model::class, class_parents($model)) |
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) { |
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throw new \InvalidArgumentException("[$model] must be a valid model class"); |
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} |
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$this->options = function ($value) use ($model, $idField, $textField) { |
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if (empty($value)) { |
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return []; |
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} |
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$resources = []; |
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if (is_array($value)) { |
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if (Arr::isAssoc($value)) { |
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$resources[] = array_get($value, $idField); |
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} else { |
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$resources = array_column($value, $idField); |
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} |
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} else { |
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$resources[] = $value; |
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} |
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return $model::find($resources)->pluck($textField, $idField)->toArray(); |
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}; |
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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 $this |
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*/ |
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protected function loadRemoteOptions($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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$configs = $this->configs([ |
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'allowClear' => true, |
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'placeholder' => [ |
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'id' => '', |
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'text' => trans('admin.choose'), |
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], |
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]); |
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$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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var select = $("{$this->getElementClassSelector()}"); |
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select.select2({ |
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data: data, |
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$configs |
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}); |
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var value = select.data('value') + ''; |
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if (value) { |
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value = value.split(','); |
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select.select2('val', value); |
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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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* 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') |
393
|
|
|
{ |
394
|
|
|
$configs = $this->configs([ |
395
|
|
|
'allowClear' => true, |
396
|
|
|
'placeholder' => $this->label, |
397
|
|
|
'minimumInputLength' => 1, |
398
|
|
|
]); |
399
|
|
|
|
400
|
|
|
$this->script = <<<EOT |
401
|
|
|
|
402
|
|
|
$("{$this->getElementClassSelector()}").select2({ |
403
|
|
|
ajax: { |
404
|
|
|
url: "$url", |
405
|
|
|
dataType: 'json', |
406
|
|
|
delay: 250, |
407
|
|
|
data: function (params) { |
408
|
|
|
return { |
409
|
|
|
q: params.term, |
410
|
|
|
page: params.page |
411
|
|
|
}; |
412
|
|
|
}, |
413
|
|
|
processResults: function (data, params) { |
414
|
|
|
params.page = params.page || 1; |
415
|
|
|
|
416
|
|
|
return { |
417
|
|
|
results: $.map(data.data, function (d) { |
418
|
|
|
d.id = d.$idField; |
419
|
|
|
d.text = d.$textField; |
420
|
|
|
return d; |
421
|
|
|
}), |
422
|
|
|
pagination: { |
423
|
|
|
more: data.next_page_url |
424
|
|
|
} |
425
|
|
|
}; |
426
|
|
|
}, |
427
|
|
|
cache: true |
428
|
|
|
}, |
429
|
|
|
$configs, |
430
|
|
|
escapeMarkup: function (markup) { |
431
|
|
|
return markup; |
432
|
|
|
} |
433
|
|
|
}); |
434
|
|
|
|
435
|
|
|
EOT; |
436
|
|
|
|
437
|
|
|
return $this; |
438
|
|
|
} |
439
|
|
|
|
440
|
|
|
/** |
441
|
|
|
* Set config for select2. |
442
|
|
|
* |
443
|
|
|
* all configurations see https://select2.org/configuration/options-api |
444
|
|
|
* |
445
|
|
|
* @param string $key |
446
|
|
|
* @param mixed $val |
447
|
|
|
* |
448
|
|
|
* @return $this |
449
|
|
|
*/ |
450
|
|
|
public function config($key, $val) |
451
|
|
|
{ |
452
|
|
|
$this->config[$key] = $val; |
453
|
|
|
|
454
|
|
|
return $this; |
455
|
|
|
} |
456
|
|
|
|
457
|
|
|
/** |
458
|
|
|
* {@inheritdoc} |
459
|
|
|
*/ |
460
|
|
|
public function render() |
461
|
|
|
{ |
462
|
|
|
Admin::js('https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/js/i18n/' . app()->getLocale() . '.js'); |
463
|
|
|
$configs = str_replace("\n", '', $this->configs( |
464
|
|
|
[ |
465
|
|
|
'allowClear' => true, |
466
|
|
|
'placeholder' => [ |
467
|
|
|
'id' => '', |
468
|
|
|
'text' => $this->label, |
469
|
|
|
], |
470
|
|
|
], |
471
|
|
|
true |
472
|
|
|
)); |
473
|
|
|
Admin::script("if(!window.hasOwnProperty('_config')) window._config=new Object();"); |
474
|
|
|
Admin::script("window._config['{$this->getElementClassSelector()}']=eval('({$configs})');\n"); |
475
|
|
|
|
476
|
|
|
if (empty($this->script)) { |
477
|
|
|
$this->script = "$(\"{$this->getElementClassSelector()}\").select2({$configs});"; |
478
|
|
|
} |
479
|
|
|
|
480
|
|
|
if ($this->options instanceof \Closure) { |
481
|
|
|
if ($this->form) { |
482
|
|
|
$this->options = $this->options->bindTo($this->form->model()); |
483
|
|
|
} |
484
|
|
|
|
485
|
|
|
$this->options(call_user_func($this->options, $this->value, $this)); |
486
|
|
|
} |
487
|
|
|
|
488
|
|
|
$this->options = array_filter($this->options, 'strlen'); |
489
|
|
|
|
490
|
|
|
$this->addVariables([ |
491
|
|
|
'options' => $this->options, |
492
|
|
|
'groups' => $this->groups, |
493
|
|
|
]); |
494
|
|
|
|
495
|
|
|
$this->attribute('data-value', implode(',', (array)$this->value())); |
496
|
|
|
|
497
|
|
|
return parent::render(); |
|
|
|
|
498
|
|
|
} |
499
|
|
|
} |
500
|
|
|
|
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: