/**
* {@inheritdoc}
*/
public function preprocessElement(Element $element, Variables $variables)
{
$link = $element->getProperty('link');
$link += ['localized_options' => []];
$link['localized_options']['set_active_class'] = TRUE;
$icon = Bootstrap::glyphiconFromString($link['title']);
$options = isset($link['localized_options']) ? $link['localized_options'] : [];
if (isset($link['url'])) {
// Turn link into a mini-button and colorize based on title.
$class = Bootstrap::cssClassFromString($link['title'], 'default');
if (!isset($options['attributes']['class'])) {
$options['attributes']['class'] = [];
}
$string = is_string($options['attributes']['class']);
if ($string) {
$options['attributes']['class'] = explode(' ', $options['attributes']['class']);
}
$options['attributes']['class'][] = 'btn';
$options['attributes']['class'][] = 'btn-xs';
$options['attributes']['class'][] = 'btn-' . $class;
if ($string) {
$options['attributes']['class'] = implode(' ', $options['attributes']['class']);
}
$variables['link'] = ['#type' => 'link', '#title' => SafeMarkup::format(\Drupal::service('renderer')->render($icon) . '@text', ['@text' => $link['title']]), '#options' => $options, '#url' => $link['url']];
} else {
$variables['link'] = ['#type' => 'link', '#title' => $link['title'], '#options' => $options, '#url' => $link['url']];
}
}
/**
* Matches a Bootstrap class based on a string value.
*
* @param string $string
* The string to match classes against.
* @param string $default
* The default class to return if no match is found.
*
* @return string
* The Bootstrap class matched against the value of $haystack or $default if
* no match could be made.
*
* @deprecated Will be removed in a future release.
*
* @code
* // Before.
* $class = _bootstrap_colorize_text($string, $default);
*
* // After.
* use Drupal\bootstrap\Bootstrap;
* $class = Bootstrap::cssClassFromString($string, $default);
* @endcode
*
* @see \Drupal\bootstrap\Bootstrap::cssClassFromString()
*/
function _bootstrap_colorize_text($string, $default = '')
{
Bootstrap::deprecated();
return Bootstrap::cssClassFromString($string, $default);
}
/**
* Adds a specific Bootstrap class to color a button based on its text value.
*
* @return $this
*/
public function colorize()
{
$button = $this->isButton();
// Do nothing if setting is disabled.
if (!$button || !Bootstrap::getTheme()->getSetting('button_colorize')) {
return $this;
}
// @todo refactor this more so it's not just "button" specific.
$prefix = $button ? 'btn' : 'has';
// Don't add a class if one is already present in the array.
$button_classes = ["{$prefix}-default", "{$prefix}-primary", "{$prefix}-success", "{$prefix}-info", "{$prefix}-warning", "{$prefix}-danger", "{$prefix}-link"];
foreach ($button_classes as $class) {
if ($this->hasClass($class)) {
return $this;
}
}
$this->addClass("{$prefix}-" . Bootstrap::cssClassFromString($this->array['#value'], 'default'));
return $this;
}
/**
* Adds a specific Bootstrap class to color a button based on its text value.
*
* @return $this
*/
public function colorize()
{
$button = $this->isButton();
// @todo refactor this more so it's not just "button" specific.
$prefix = $button ? 'btn' : 'has';
// Don't add a class if one is already present in the array.
$classes = ["{$prefix}-default", "{$prefix}-primary", "{$prefix}-success", "{$prefix}-info", "{$prefix}-warning", "{$prefix}-danger", "{$prefix}-link"];
foreach ($classes as $class) {
if ($this->hasClass($class)) {
if ($button && $this->getProperty('split')) {
$this->addClass($class, $this::SPLIT_BUTTON);
}
return $this;
}
}
// Do nothing if setting is disabled.
if ($button && !Bootstrap::getTheme()->getSetting('button_colorize')) {
$this->addClass('btn-default');
return $this;
}
if ($value = $this->getProperty('value', $this->getProperty('title'))) {
$class = "{$prefix}-" . Bootstrap::cssClassFromString($value, $this->getProperty('button_type', 'default'));
$this->addClass($class);
if ($button && $this->getProperty('split')) {
$this->addClass($class, $this::SPLIT_BUTTON);
}
}
return $this;
}
