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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Yii\Bootstrap5; |
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use JsonException; |
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use RuntimeException; |
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use Yiisoft\Arrays\ArrayHelper; |
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use Yiisoft\Html\Html; |
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use function array_key_exists; |
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use function array_merge; |
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use function implode; |
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use function is_array; |
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use function is_numeric; |
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use function is_string; |
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/** |
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* Accordion renders an accordion bootstrap JavaScript component. |
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* |
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* For example: |
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* |
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* ```php |
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* echo Accordion::widget() |
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* ->items([ |
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* [ |
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* 'label' => 'Accordion Item #1', |
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* 'content' => [ |
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* 'This is the first items accordion body. It is shown by default, until the collapse plugin ' . |
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* 'the appropriate classes that we use to style each element. These classes control the ' . |
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* 'overall appearance, as well as the showing and hiding via CSS transitions. You can ' . |
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* 'modify any of this with custom CSS or overriding our default variables. Its also worth ' . |
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* 'noting that just about any HTML can go within the .accordion-body, though the transition ' . |
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* 'does limit overflow.', |
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* ], |
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* ], |
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* [ |
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* 'label' => 'Accordion Item #2', |
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* 'content' => '<strong>This is the second items accordion body.</strong> It is hidden by default, ' . |
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* 'until the collapse plugin adds the appropriate classes that we use to style each element. ' . |
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* 'These classes control the overall appearance, as well as the showing and hiding via CSS ' . |
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* 'transitions. You can modify any of this with custom CSS or overriding our default ' . |
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* 'variables. Its also worth noting that just about any HTML can go within the ' . |
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* '<code>.accordion-body</code>, though the transition does limit overflow.', |
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* 'contentOptions' => [ |
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* 'class' => 'testContentOptions', |
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* ], |
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* 'options' => [ |
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* 'class' => 'testClass', |
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* 'id' => 'testId', |
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* ], |
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* ], |
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* [ |
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* 'label' => '<b>Accordion Item #3</b>', |
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* 'content' => [ |
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* '<b>test content1</b>', |
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* '<strong>This is the third items accordion body.</strong> It is hidden by default, until the ' . |
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* 'collapse plugin adds the appropriate classes that we use to style each element. These ' . |
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* 'classes control the overall appearance, as well as the showing and hiding via CSS ' . |
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* 'transitions. You can modify any of this with custom CSS or overriding our default ' . |
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* 'variables. Its also worth noting that just about any HTML can go within the ' . |
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* '<code>.accordion-body</code>, though the transition does limit overflow.', |
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* ], |
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* 'contentOptions' => [ |
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* 'class' => 'testContentOptions2', |
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* ], |
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* 'options' => [ |
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* 'class' => 'testClass2', |
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* 'id' => 'testId2', |
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* ], |
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* 'encode' => false, |
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* ], |
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* ]); |
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* ``` |
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* |
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* @link https://getbootstrap.com/docs/5.0/components/accordion/ |
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*/ |
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final class Accordion extends Widget |
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{ |
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private array $items = []; |
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private array $expands = []; |
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private ?bool $defaultExpand = null; |
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private bool $encodeLabels = true; |
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private bool $encodeTags = false; |
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private bool $autoCloseItems = true; |
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private array $headerOptions = []; |
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private array $itemToggleOptions = []; |
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private array $contentOptions = []; |
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private array $options = []; |
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private bool $flush = false; |
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public function getId(?string $suffix = '-accordion'): ?string |
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{ |
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return $this->options['id'] ?? parent::getId($suffix); |
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} |
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private function getCollapseId(array $item, int $index): string |
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{ |
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return ArrayHelper::getValueByPath($item, ['contentOptions', 'id'], $this->getId() . '-collapse' . $index); |
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} |
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private function getHeaderId(array $item, int $index): string |
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{ |
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return ArrayHelper::getValueByPath($item, ['headerOptions', 'id'], $this->getCollapseId($item, $index) . '-heading'); |
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} |
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public function beforeRun(): bool |
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{ |
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Html::addCssClass($this->options, ['widget' => 'accordion']); |
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if ($this->flush) { |
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Html::addCssClass($this->options, ['flush' => 'accordion-flush']); |
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} |
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if (!isset($this->options['id'])) { |
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$this->options['id'] = $this->getId(); |
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} |
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return parent::beforeRun(); |
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} |
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protected function run(): string |
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{ |
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return Html::div($this->renderItems(), $this->options) |
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->encode($this->encodeTags) |
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->render(); |
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} |
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/** |
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* Whether to close other items if an item is opened. Defaults to `true` which causes an accordion effect. |
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* |
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* Set this to `false` to allow keeping multiple items open at once. |
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*/ |
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public function allowMultipleOpenedItems(): self |
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{ |
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$new = clone $this; |
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$new->autoCloseItems = false; |
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return $new; |
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} |
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/** |
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* When tags Labels HTML should not be encoded. |
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*/ |
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public function withoutEncodeLabels(): self |
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{ |
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$new = clone $this; |
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$new->encodeLabels = false; |
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return $new; |
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} |
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/** |
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* List of groups in the collapse widget. Each array element represents a single group with the following structure: |
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* |
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* - label: string, required, the group header label. |
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* - encode: bool, optional, whether this label should be HTML-encoded. This param will override global |
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* `$this->encodeLabels` param. |
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* - content: array|string|object, required, the content (HTML) of the group |
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* - options: array, optional, the HTML attributes of the group |
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* - contentOptions: optional, the HTML attributes of the group's content |
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* |
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* You may also specify this property as key-value pairs, where the key refers to the `label` and the value refers |
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* to `content`. If value is a string it is interpreted as label. If it is an array, it is interpreted as explained |
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* above. |
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* |
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* For example: |
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* |
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* ```php |
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* echo Accordion::widget() |
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* ->items( |
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* [ |
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* [ |
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* 'Introduction' => 'This is the first collapsible menu', |
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* 'Second panel' => [ |
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* 'content' => 'This is the second collapsible menu', |
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* ], |
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* ], |
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* [ |
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* 'label' => 'Third panel', |
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* 'content' => 'This is the third collapsible menu', |
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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 $value |
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*/ |
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public function items(array $value): self |
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{ |
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$new = clone $this; |
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$new->items = $value; |
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$new->expands = array_map(fn ($item) => isset($item['expand']) ? (bool) $item['expand'] : $this->defaultExpand, $new->items); |
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return $new; |
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} |
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/** |
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* Set expand property for items without it |
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*/ |
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public function defaultExpand(?bool $default): self |
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{ |
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if ($default === $this->defaultExpand) { |
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return $this; |
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} |
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$new = clone $this; |
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$new->defaultExpand = $default; |
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$new->expands = array_map(fn ($item) => isset($item['expand']) ? (bool) $item['expand'] : $new->defaultExpand, $new->items); |
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return $new; |
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} |
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/** |
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* Options for each header if not present in item |
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*/ |
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public function headerOptions(array $options): self |
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{ |
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$new = clone $this; |
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$new->headerOptions = $options; |
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return $new; |
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} |
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/** |
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* The HTML options for the item toggle tag. Key 'tag' might be used here for the tag name specification. |
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* |
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* For example: |
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* |
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* ```php |
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* [ |
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* 'tag' => 'div', |
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* 'class' => 'custom-toggle', |
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* ] |
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* ``` |
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* |
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* @param array $value |
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*/ |
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public function itemToggleOptions(array $value): self |
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{ |
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$new = clone $this; |
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$new->itemToggleOptions = $value; |
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return $new; |
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} |
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/** |
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* Content options for items if not present in current |
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*/ |
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public function contentOptions(array $options): self |
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{ |
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$new = clone $this; |
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$new->contentOptions = $options; |
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return $new; |
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} |
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/** |
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* The HTML attributes for the widget container tag. The following special options are recognized. |
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* |
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* {@see Html::renderTagAttributes()} for details on how attributes are being rendered. |
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* |
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* @param array $value |
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*/ |
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public function options(array $value): self |
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{ |
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$new = clone $this; |
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$new->options = $value; |
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return $new; |
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} |
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/** |
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* Remove the default background-color, some borders, and some rounded corners to render accordions |
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* edge-to-edge with their parent container. |
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* |
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* @link https://getbootstrap.com/docs/5.0/components/accordion/#flush |
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*/ |
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public function flush(): self |
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{ |
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$new = clone $this; |
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$new->flush = true; |
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return $new; |
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} |
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/** |
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* Renders collapsible items as specified on {@see items}. |
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* |
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* @throws JsonException|RuntimeException |
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* |
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* @return string the rendering result |
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*/ |
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private function renderItems(): string |
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{ |
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$items = []; |
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$index = 0; |
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$expanded = in_array(true, $this->expands, true); |
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$allClose = !$expanded && count($this->items) === count(array_filter($this->expands, fn ($expand) => $expand === false)); |
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foreach ($this->items as $item) { |
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if (!is_array($item)) { |
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$item = ['content' => $item]; |
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} |
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if ($allClose === false && $expanded === false && $index === 0) { |
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$item['expand'] = true; |
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} |
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if (!array_key_exists('label', $item)) { |
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throw new RuntimeException('The "label" option is required.'); |
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} |
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$options = ArrayHelper::getValue($item, 'options', []); |
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$item = $this->renderItem($item, $index++); |
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Html::addCssClass($options, ['panel' => 'accordion-item']); |
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$items[] = Html::div($item, $options) |
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->encode(false) |
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->render(); |
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} |
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return implode('', $items); |
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} |
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/** |
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* Renders a single collapsible item group. |
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* |
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* @param array $item a single item from {@see items} |
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* @param int $index the item index as each item group content must have an id |
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* |
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* @throws JsonException|RuntimeException |
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* |
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* @return string the rendering result |
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*/ |
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private function renderItem(array $item, int $index): string |
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{ |
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if (!array_key_exists('content', $item)) { |
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throw new RuntimeException('The "content" option is required.'); |
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} |
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$header = $this->renderHeader($item, $index); |
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$collapse = $this->renderCollapse($item, $index); |
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return $header . $collapse; |
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} |
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/** |
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* Render collapse header |
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*/ |
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private function renderHeader(array $item, int $index): string |
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{ |
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$options = ArrayHelper::getValue($item, 'headerOptions', $this->headerOptions); |
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$tag = ArrayHelper::remove($options, 'tag', 'h2'); |
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$options['id'] = $this->getHeaderId($item, $index); |
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$toggle = $this->renderToggle($item, $index); |
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Html::addCssClass($options, ['widget' => 'accordion-header']); |
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return Html::tag($tag, $toggle, $options) |
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->encode(false) |
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->render(); |
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} |
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/** |
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* Render collapse switcher |
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*/ |
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private function renderToggle(array $item, int $index): string |
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{ |
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|
$label = $item['label']; |
372
|
9 |
|
$expand = $item['expand'] ?? false; |
373
|
9 |
|
$collapseId = $this->getCollapseId($item, $index); |
374
|
|
|
|
375
|
9 |
|
$options = array_merge( |
376
|
|
|
[ |
377
|
|
|
'data-bs-toggle' => 'collapse', |
378
|
9 |
|
'aria-expanded' => $expand ? 'true' : 'false', |
379
|
|
|
'aria-controls' => $collapseId, |
380
|
|
|
], |
381
|
9 |
|
$item['toggleOptions'] ?? $this->itemToggleOptions |
382
|
|
|
); |
383
|
9 |
|
$tag = ArrayHelper::remove($options, 'tag', 'button'); |
384
|
9 |
|
$encode = ArrayHelper::remove($options, 'encode', $this->encodeLabels); |
385
|
|
|
|
386
|
9 |
|
Html::addCssClass($options, ['accordion-button']); |
387
|
|
|
|
388
|
9 |
|
if (!$expand) { |
389
|
8 |
|
Html::addCssClass($options, ['collapsed']); |
390
|
|
|
} |
391
|
|
|
|
392
|
9 |
|
if ($tag === 'a') { |
393
|
1 |
|
$options['href'] = '#' . $collapseId; |
394
|
|
|
} else { |
395
|
8 |
|
$options['data-bs-target'] = '#' . $collapseId; |
396
|
|
|
|
397
|
8 |
|
if ($tag === 'button' && !isset($options['type'])) { |
398
|
8 |
|
$options['type'] = 'button'; |
399
|
|
|
} |
400
|
|
|
} |
401
|
|
|
|
402
|
9 |
|
return Html::tag($tag, $label, $options) |
403
|
9 |
|
->encode($encode) |
404
|
9 |
|
->render(); |
405
|
|
|
} |
406
|
|
|
|
407
|
|
|
/** |
408
|
|
|
* Render collapse item |
409
|
|
|
*/ |
410
|
9 |
|
private function renderCollapse(array $item, int $index): string |
411
|
|
|
{ |
412
|
9 |
|
$expand = $item['expand'] ?? false; |
413
|
9 |
|
$options = $item['contentOptions'] ?? $this->contentOptions; |
414
|
9 |
|
$tag = ArrayHelper::remove($options, 'tag', 'div'); |
415
|
9 |
|
$body = $this->renderBody($item); |
416
|
8 |
|
$options['id'] = $this->getCollapseId($item, $index); |
417
|
|
|
|
418
|
8 |
|
Html::addCssClass($options, ['accordion-collapse collapse']); |
419
|
|
|
|
420
|
8 |
|
if ($expand) { |
421
|
7 |
|
Html::addCssClass($options, ['show']); |
422
|
|
|
} |
423
|
|
|
|
424
|
8 |
|
if (!isset($options['aria-label'], $options['aria-labelledby'])) { |
425
|
8 |
|
$options['aria-labelledby'] = $this->getHeaderId($item, $index); |
426
|
|
|
} |
427
|
|
|
|
428
|
8 |
|
if ($this->autoCloseItems) { |
429
|
8 |
|
$options['data-bs-parent'] = '#' . $this->getId(); |
430
|
|
|
} |
431
|
|
|
|
432
|
8 |
|
return Html::tag($tag, $body, $options) |
433
|
8 |
|
->encode(false) |
434
|
8 |
|
->render(); |
435
|
|
|
} |
436
|
|
|
|
437
|
|
|
/** |
438
|
|
|
* Render collapse body |
439
|
|
|
*/ |
440
|
9 |
|
private function renderBody(array $item): string |
441
|
|
|
{ |
442
|
9 |
|
$items = ''; |
443
|
|
|
|
444
|
9 |
|
if ($this->isStringableObject($item['content'])) { |
445
|
1 |
|
$content = [$item['content']]; |
446
|
|
|
} else { |
447
|
9 |
|
$content = (array) $item['content']; |
448
|
|
|
} |
449
|
|
|
|
450
|
9 |
|
foreach ($content as $value) { |
451
|
9 |
|
if (!is_string($value) && !is_numeric($value) && !$this->isStringableObject($value)) { |
452
|
1 |
|
throw new RuntimeException('The "content" option should be a string, array or object.'); |
453
|
|
|
} |
454
|
|
|
|
455
|
8 |
|
$items .= $value; |
456
|
|
|
} |
457
|
|
|
|
458
|
8 |
|
return Html::div($items, ['class' => 'accordion-body']) |
459
|
8 |
|
->encode($this->encodeTags) |
460
|
8 |
|
->render(); |
461
|
|
|
} |
462
|
|
|
|
463
|
9 |
|
private function isStringableObject(mixed $value): bool |
464
|
|
|
{ |
465
|
9 |
|
return is_object($value) && method_exists($value, '__toString'); |
466
|
|
|
} |
467
|
|
|
} |
468
|
|
|
|