119 lines
3.2 KiB
PHP
119 lines
3.2 KiB
PHP
<?php
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/**
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* @link https://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license https://www.yiiframework.com/license/
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*/
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declare(strict_types=1);
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namespace yii\bootstrap5;
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use Throwable;
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use yii\helpers\ArrayHelper;
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/**
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* ButtonGroup renders a button group bootstrap component.
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*
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* For example,
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*
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* ```php
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* // a button group with items configuration
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* echo ButtonGroup::widget([
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* 'buttons' => [
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* ['label' => 'A'],
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* ['label' => 'B'],
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* ['label' => 'C', 'visible' => false],
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* ]
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* ]);
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*
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* // button group with an item as a string
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* echo ButtonGroup::widget([
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* 'buttons' => [
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* Button::widget(['label' => 'A']),
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* ['label' => 'B'],
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* ]
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* ]);
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* ```
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*
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* Pressing on the button should be handled via JavaScript. See the following for details:
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*
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* @see https://getbootstrap.com/docs/5.1/components/buttons/
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* @see https://getbootstrap.com/docs/5.1/components/button-group/
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*
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* @author Antonio Ramirez <amigo.cobos@gmail.com>
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* @author Simon Karlen <simi.albi@outlook.com>
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*/
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class ButtonGroup extends Widget
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{
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/**
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* @var array list of buttons. Each array element represents a single button
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* which can be specified as a string or an array of the following structure:
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*
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* - label: string, required, the button label.
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* - options: array, optional, the HTML attributes of the button.
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* - visible: bool, optional, whether this button is visible. Defaults to true.
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*/
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public $buttons = [];
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/**
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* @var bool whether to HTML-encode the button labels.
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*/
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public $encodeLabels = true;
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/**
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* {@inheritdoc}
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*/
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public function init()
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{
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parent::init();
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Html::addCssClass($this->options, ['widget' => 'btn-group']);
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if (!isset($this->options['role'])) {
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$this->options['role'] = 'group';
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}
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}
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/**
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* {@inheritdoc}
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* @return string
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* @throws Throwable
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*/
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public function run(): string
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{
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BootstrapAsset::register($this->getView());
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return Html::tag('div', $this->renderButtons(), $this->options);
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}
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/**
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* Generates the buttons that compound the group as specified on [[buttons]].
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* @return string the rendering result.
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* @throws Throwable
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*/
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protected function renderButtons(): string
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{
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$buttons = [];
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foreach ($this->buttons as $button) {
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if (is_array($button)) {
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$visible = ArrayHelper::remove($button, 'visible', true);
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if ($visible === false) {
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continue;
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}
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$button['view'] = $this->getView();
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if (!isset($button['encodeLabel'])) {
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$button['encodeLabel'] = $this->encodeLabels;
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}
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if (!isset($button['options'], $button['options']['type'])) {
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ArrayHelper::setValue($button, 'options.type', 'button');
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}
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$buttons[] = Button::widget($button);
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} else {
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$buttons[] = $button;
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}
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}
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return implode("\n", $buttons);
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}
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}
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