Файл: cobisja/BootHelp/src/AlertBox.php
Строк: 193
<?php
/**
* BootHelp - PHP Helpers for Bootstrap
*
* (The MIT License)
*
* Copyright (c) 2015 Jorge Cobis <jcobis@gmail.com / http://twitter.com/cobisja>.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
namespace cobisjaBootHelp;
use cobisjaBootHelpBase;
use cobisjaBootHelpHelpersContentTag;
/**
* Generates an HTML block tag that follows the Bootstrap documentation
* on how to display <strong>Alert Box</strong> component.
*
* See {@link http://getbootstrap.com/components/#alerts} for more information.
*/
class AlertBox extends Base
{
/**
* Initializes AlertBox object.
*
* @param mixed $message_or_options_with_block string message or alert's options.
* @param mixed $options alert's options.
* @param mixed $block closure that generates alert's content.
*/
public function __construct($message_or_options_with_block = null, $options = null, $block = null)
{
$html = '';
$num_args = $this->getFunctionNumArgs(func_get_args());
if (3 > $num_args && is_callable(func_get_arg($num_args-1))) {
$block = func_get_arg($num_args-1);
$html = $this->buildAlertBox(
$this->captureAlert($block),
is_null($message_or_options_with_block) ||
is_callable($message_or_options_with_block) ? [] : $message_or_options_with_block
);
} else {
$html = $this->buildAlertBox($message_or_options_with_block, is_null($options) ? [] : $options);
}
$this->setHtmlObject($html->getHtmlObject());
}
/**
* Generates alert box HTML code.
*
* @param string $message alert box message.
* @param array $options alert box options.
*
* @return ContentTag html alert box.
*/
private function buildAlertBox($message = null, $options = [])
{
$dismissible = false;
$context = isset($options['context']) ? $options['context'] : null;
if (isset($options['dismissible'])) {
($dismissible = $options['dismissible']) && ($message = $this->addDismissButtonTo($message));
unset($options['dismissible']);
}
if (!is_null($context)) {
unset($options['context']);
}
$klass = $this->alertClass($context, $dismissible);
$this->appendClass($options, $klass);
$options = array_merge(['role'=>'alert'], $options);
return new ContentTag('div', $message, $options);
}
/**
* Pick the correct alert box class based on context.
*
* @param string $context alert box context.
* @param bool $dismissible indicates if alert box is dismissible.
*
* @return string alert box html class.
*/
private function alertClass($context = null, $dismissible = null)
{
$valid_contexts = ['success', 'info', 'warning', 'danger'];
$context = $this->contextFor($context, ['default'=>'info', 'valid'=>$valid_contexts]);
$dismissible_class = $dismissible ? 'alert-dismissible' : '';
return rtrim("alert alert-$context $dismissible_class");
}
/**
* Generates html code to add a dismiss button to alert box.
*
* @param string $message alert box message.
*
* @return string dismiss button html code.
*/
private function addDismissButtonTo($message)
{
$options = ['type'=>'button', 'class'=>'close', 'data-dismiss'=>'alert', 'aria-label'=>'Close'];
$dismiss_button = new ContentTag('button', new ContentTag('span', '×', ['aria-hidden'=>true]), $options);
if (is_array($message)) {
$content = array_merge([$dismiss_button], $message);
} else {
$content = [$dismiss_button, $message];
}
return $content;
}
/**
* Sets Base alert link flag to true to then catches the closure output.
*
* This behaviour is necessary because any link (<a></a> tag) within an alert box
* have to match the correct color when it displayed.
*
* @param callable $block Closure that generates customized Html.
*
* @return mixed Capture output.
*/
private function captureAlert(callable $block)
{
Base::setAlertLink(true);
$capture = call_user_func($block);
Base::setAlertLink(false);
return $capture;
}
}