新增多选组件

src/Field/MultipleSelect.php

@@ -0,0 +1,91 @@
+<?php
+
+namespace Weiwait\DcatVue\Field;
+
+use Dcat\Admin\Form\Field;
+use Dcat\Admin\Support\Helper;
+use Illuminate\Support\Str;
+
+class MultipleSelect extends Field\MultipleSelect
+{
+    protected $view = 'weiwait.dcat-vue::common';
+    private string $optionsFromKeyValueField = '';
+    private string $concatSeparator = '';
+
+    public function render()
+    {
+        /****************************** parent ************************************/
+
+        if (! $this->shouldRender()) {
+            return '';
+        }
+
+        $this->setDefaultClass();
+
+        $this->callComposing();
+
+        $this->withScript();
+
+        /****************************** field ************************************/
+
+        $this->addDefaultConfig([
+            'allowClear'  => true,
+            'placeholder' => [
+                'id'   => '',
+                'text' => $this->placeholder(),
+            ],
+        ]);
+
+        $this->formatOptions();
+
+        $this->addVariables([
+            'options'       => $this->options,
+            'groups'        => $this->groups,
+            'configs'       => $this->config,
+            'cascadeScript' => $this->getCascadeScript(),
+        ]);
+
+        $this->initSize();
+
+        $this->attribute('data-value', implode(',', Helper::array($this->value())));
+
+        /****************************** custom ************************************/
+
+        $this->withProvides();
+
+        $this->addVariables([
+            'provides' => $this->variables(),
+        ]);
+
+        return view($this->view(), $this->variables());
+    }
+
+    protected function formatAttributes()
+    {
+        return $this->attributes;
+    }
+
+    protected function withProvides()
+    {
+        $this->addVariables([
+            'component' => 'MultipleSelect',
+            'mountId' => 'id' . md5(Str::uuid()),
+            'optionsFromKeyValueField' => $this->optionsFromKeyValueField,
+            'concatSeparator' => $this->concatSeparator,
+        ]);
+    }
+
+    public function optionsFromKeyValue(string $field): self
+    {
+        $this->optionsFromKeyValueField = $field;
+
+        return $this;
+    }
+
+    public function concatKey(string $separator = ': '): self
+    {
+        $this->concatSeparator = $separator;
+
+        return $this;
+    }
+}