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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 Yiisoft\Arrays\ArrayHelper; |
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use Yiisoft\Html\Html; |
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/** |
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* Alert renders an alert 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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* echo Alert::widget() |
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* ->withOptions([ |
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* 'class' => 'alert-info', |
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* ]) |
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* ->withBody('Say hello...'); |
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* ``` |
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*/ |
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final class Alert extends Widget |
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{ |
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private string $body = ''; |
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private array $closeButton = []; |
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private bool $closeButtonEnabled = true; |
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private bool $encodeTags = false; |
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private array $options = []; |
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protected function run(): string |
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{ |
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if (!isset($this->options['id'])) { |
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$this->options['id'] = "{$this->getId()}-alert"; |
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} |
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$this->initOptions(); |
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return Html::div($this->renderBodyEnd(), $this->options); |
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} |
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/** |
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* The body content in the alert component. Alert widget will also be treated as the body content, and will be |
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* rendered before this. |
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* |
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* @param string $value |
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* |
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* @return $this |
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*/ |
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public function withBody(string $value): self |
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{ |
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$new = clone $this; |
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$new->body = $value; |
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return $new; |
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} |
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/** |
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* The options for rendering the close button tag. |
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* |
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* The close button is displayed in the header of the modal window. Clicking on the button will hide the modal |
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* window. If {@see closeButtonEnabled} is false, no close button will be rendered. |
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* |
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* The following special options are supported: |
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* |
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* - tag: string, the tag name of the button. Defaults to 'button'. |
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* - label: string, the label of the button. Defaults to '×'. |
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* |
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* The rest of the options will be rendered as the HTML attributes of the button tag. |
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* |
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* Please refer to the [Alert documentation](http://getbootstrap.com/components/#alerts) for the supported HTML |
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* attributes. |
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* |
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* @param array $value |
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* |
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* @return $this |
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*/ |
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public function withCloseButton(array $value): self |
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{ |
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$new = clone $this; |
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$new->closeButton = $value; |
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return $new; |
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} |
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/** |
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* Disable close button. |
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* |
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* @return $this |
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*/ |
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public function withoutCloseButton(): self |
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{ |
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$new = clone $this; |
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$new->closeButtonEnabled = false; |
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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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* @return $this |
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*/ |
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public function withOptions(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 $new; |
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} |
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/** |
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* Allows you to enable or disable the encoding tags html. |
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* |
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* @return self |
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*/ |
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public function withEncodeTags(): self |
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{ |
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$new = clone $this; |
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$new->encodeTags = true; |
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return $new; |
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} |
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/** |
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* Renders the alert body and the close button (if any). |
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* |
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* @throws JsonException |
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* |
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* @return string the rendering result |
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*/ |
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private function renderBodyEnd(): string |
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{ |
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return $this->body . "\n" . $this->renderCloseButton() . "\n"; |
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} |
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/** |
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* Renders the close button. |
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* |
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* @throws JsonException |
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* |
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* @return string the rendering result |
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*/ |
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private function renderCloseButton(): ?string |
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{ |
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if ($this->closeButtonEnabled === false) { |
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return null; |
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} |
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$tag = ArrayHelper::remove($this->closeButton, 'tag', 'button'); |
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$label = ArrayHelper::remove($this->closeButton, 'label', ''); |
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if ($tag === 'button' && !isset($this->closeButton['type'])) { |
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$this->closeButton['type'] = 'button'; |
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} |
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return Html::tag($tag, $label, $this->closeButton); |
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} |
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/** |
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* Initializes the widget options. |
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* |
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* This method sets the default values for various options. |
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*/ |
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private function initOptions(): void |
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{ |
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Html::addCssClass($this->options, ['widget' => 'alert']); |
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if ($this->closeButtonEnabled !== false) { |
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$this->closeButton = array_merge( |
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$this->closeButton, |
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[ |
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'aria-label' => 'Close', |
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'data-bs-dismiss' => 'alert', |
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], |
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); |
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Html::addCssclass($this->closeButton, ['buttonOptions' => 'btn-close']); |
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Html::addCssClass($this->options, ['alert-dismissible' => 'alert-dismissible']); |
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} |
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if ($this->encodeTags === false) { |
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$this->closeButton = array_merge($this->closeButton, ['encode' => false]); |
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$this->options = array_merge($this->options, ['encode' => false]); |
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} |
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if (!isset($this->options['role'])) { |
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$this->options['role'] = 'alert'; |
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} |
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} |
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} |
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yiisoft /
yii-bootstrap5
