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115 lines
3.1 KiB
115 lines
3.1 KiB
<?php
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/*
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* The MIT License
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*
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* Copyright 2019 Blobt.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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namespace blobt\widgets;
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use yii\widgets\InputWidget;
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use Yii;
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use yii\base\InvalidConfigException;
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use yii\helpers\ArrayHelper;
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use yii\helpers\Html;
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use blobt\web\Select2Asset;
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/**
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* Description of Select2
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*
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* @author Blobt
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* @email 380255922@qq.com
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* @created Aug 20, 2019
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*/
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class Select2 extends InputWidget {
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/**
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* @var array select的选项
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*/
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public $items = [];
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/**
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* @var array select 的html选择
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*/
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public $options;
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/**
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* @var string|bool 默认显示的提示内容，如果不想显示可以设置成false
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*/
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public $promptText = '请选择';
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/**
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* @inheritdoc
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* @throws \ReflectionException
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* @throws \yii\base\InvalidConfigException
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*/
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public function run() {
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$this->registerAsset();
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$this->registerSelect2Js();
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return $this->renderSelect();
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}
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/**
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* 初始化
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*/
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public function init() {
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parent::init();
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if ($this->hasModel() && !isset($this->options['name'])) {
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$this->name = $this->options['name'] = Html::getInputName($this->model, $this->attribute);
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}
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if (!empty($this->promptText)) {
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$this->options = ArrayHelper::merge($this->options, ['prompt' => $this->promptText]);
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}
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}
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/**
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* 注册js和css
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*/
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protected function registerAsset() {
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$view = $this->getView();
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Select2Asset::register($view);
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}
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/**
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* 注册js
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*/
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protected function registerSelect2Js() {
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$js = <<<SCRIPT
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$('#category-icon_type').select2();
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SCRIPT;
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$this->getView()->registerJs($js);
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}
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/**
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* 渲染一个select
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* @return string
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*/
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protected function renderSelect() {
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$value = null;
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if ($this->hasModel()) {
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$value = ArrayHelper::getValue($this->model, $this->attribute);
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}
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return Html::dropDownList($this->name, $value, $this->items, $this->options);
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}
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}
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