model(...func_get_args()); } return $this->loadRemoteOptions(...func_get_args()); } if ($options instanceof Arrayable) { $options = $options->toArray(); } if (is_callable($options)) { $this->options = $options; } else { $this->options = (array) $options; } return $this; } /** * @param array $groups */ /** * Set option groups. * * eg: $group = [ * [ * 'label' => 'xxxx', * 'options' => [ * 1 => 'foo', * 2 => 'bar', * ... * ], * ... * ] * * @param array $groups * * @return $this */ public function groups(array $groups) { $this->groups = $groups; return $this; } /** * Load options for other select on change. * * @param string $field * @param string $sourceUrl * @param string $idField * @param string $textField * * @return $this */ public function load($field, $sourceUrl, $idField = 'id', $textField = 'text', bool $allowClear = true) { if (Str::contains($field, '.')) { $field = $this->formatName($field); $class = str_replace(['[', ']'], '_', $field); } else { $class = $field; } $placeholder = json_encode([ 'id' => '', 'text' => trans('admin.choose'), ]); $script = <<getElementClassSelector()}"); $(document).on('change', "{$this->getElementClassSelector()}", function () { var target = $(this).closest('.fields-group').find(".$class"); $.get("$sourceUrl",{q : this.value}, function (data) { target.find("option").remove(); $(target).select2({ placeholder: $placeholder, allowClear: $allowClear, data: $.map(data, function (d) { d.id = d.$idField; d.text = d.$textField; return d; }) }).trigger('change'); }); }); EOT; Admin::script($script); return $this; } /** * Load options for other selects on change. * * @param array $fields * @param array $sourceUrls * @param string $idField * @param string $textField * * @return $this */ public function loads($fields = [], $sourceUrls = [], $idField = 'id', $textField = 'text', bool $allowClear = true) { $fieldsStr = implode('.', $fields); $urlsStr = implode('^', $sourceUrls); $placeholder = json_encode([ 'id' => '', 'text' => trans('admin.choose'), ]); $script = <<getElementClassSelector()}"); $(document).on('change', "{$this->getElementClassSelector()}", function () { var _this = this; var promises = []; fields.forEach(function(field, index){ var target = $(_this).closest('.fields-group').find('.' + fields[index]); promises.push(refreshOptions(urls[index] + "?q="+ _this.value, target)); }); }); EOT; Admin::script($script); return $this; } /** * Load options from current selected resource(s). * * @param string $model * @param string $idField * @param string $textField * * @return $this */ public function model($model, $idField = 'id', $textField = 'name') { if ( !class_exists($model) || !in_array(Model::class, class_parents($model)) ) { throw new \InvalidArgumentException("[$model] must be a valid model class"); } $this->options = function ($value) use ($model, $idField, $textField) { if (empty($value)) { return []; } $resources = []; if (is_array($value)) { if (Arr::isAssoc($value)) { $resources[] = Arr::get($value, $idField); } else { $resources = array_column($value, $idField); } } else { $resources[] = $value; } return $model::find($resources)->pluck($textField, $idField)->toArray(); }; return $this; } /** * Load options from remote. * * @param string $url * @param array $parameters * @param array $options * * @return $this */ protected function loadRemoteOptions($url, $parameters = [], $options = []) { $ajaxOptions = [ 'url' => $url.'?'.http_build_query($parameters), ]; $configs = array_merge([ 'allowClear' => true, 'placeholder' => [ 'id' => '', 'text' => trans('admin.choose'), ], ], $this->config); $configs = json_encode($configs); $configs = substr($configs, 1, strlen($configs) - 2); $ajaxOptions = json_encode(array_merge($ajaxOptions, $options)); $this->script = <<getElementClassSelector()}"); select.select2({ data: data, $configs }); var value = select.data('value') + ''; if (value) { value = value.split(','); select.select2('val', value); } }); EOT; return $this; } /** * Load options from ajax results. * * @param string $url * @param $idField * @param $textField * * @return $this */ public function ajax($url, $idField = 'id', $textField = 'text') { $configs = array_merge([ 'allowClear' => true, 'placeholder' => $this->label, 'minimumInputLength' => 1, ], $this->config); $configs = json_encode($configs); $configs = substr($configs, 1, strlen($configs) - 2); $this->script = <<getElementClassSelector()}").select2({ ajax: { url: "$url", dataType: 'json', delay: 250, data: function (params) { return { q: params.term, page: params.page }; }, processResults: function (data, params) { params.page = params.page || 1; return { results: $.map(data.data, function (d) { d.id = d.$idField; d.text = d.$textField; return d; }), pagination: { more: data.next_page_url } }; }, cache: true }, $configs, escapeMarkup: function (markup) { return markup; } }); EOT; return $this; } /** * Set config for select2. * * all configurations see https://select2.org/configuration/options-api * * @param string $key * @param mixed $val * * @return $this */ public function config($key, $val) { $this->config[$key] = $val; return $this; } /** * {@inheritdoc} */ public function readOnly() { //移除特定字段名称,增加MultipleSelect的修订 //没有特定字段名可以使多个readonly的JS代码片段被Admin::script的array_unique精简代码 $script = <<<'EOT' $("form select").on("select2:opening", function (e) { if($(this).attr('readonly') || $(this).is(':hidden')){ e.preventDefault(); } }); $(document).ready(function(){ $('select').each(function(){ if($(this).is('[readonly]')){ $(this).closest('.form-group').find('span.select2-selection__choice__remove').first().remove(); $(this).closest('.form-group').find('li.select2-search').first().remove(); $(this).closest('.form-group').find('span.select2-selection__clear').first().remove(); } }); }); EOT; Admin::script($script); return parent::readOnly(); } /** * {@inheritdoc} */ public function render() { $configs = array_merge([ 'allowClear' => true, 'placeholder' => [ 'id' => '', 'text' => $this->label, ], ], $this->config); $configs = json_encode($configs); if (empty($this->script)) { $this->script = "$(\"{$this->getElementClassSelector()}\").select2($configs);"; } if ($this->options instanceof \Closure) { if ($this->form) { $this->options = $this->options->bindTo($this->form->model()); } $this->options(call_user_func($this->options, $this->value, $this)); } $this->options = array_filter($this->options, 'strlen'); $this->addVariables([ 'options' => $this->options, 'groups' => $this->groups, ]); $this->attribute('data-value', implode(',', (array) $this->value())); return parent::render(); } }