2015-04-19 16:46:59 +02:00

161 lines
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<?php
/**
* @file
* functionality for flushing image styles.
*/
/**
* Implements hook_menu().
*/
function imagestyleflush_menu() {
$items['admin/config/media/image-styles/flush'] = array(
'title' => 'Flush all styles',
'description' => 'Flush all image styles.',
'page callback' => 'drupal_get_form',
'page arguments' => array('imagestyleflush_form'),
'access arguments' => array('administer image styles'),
'type' => MENU_LOCAL_ACTION,
'weight' => 3,
);
$items['admin/config/media/image-styles/flush/%image_style'] = array(
'title' => 'Flush style',
'description' => 'Flush an image style.',
'page callback' => 'drupal_get_form',
'page arguments' => array('imagestyleflush_form', 5),
'access arguments' => array('administer image styles'),
);
return $items;
}
/**
* Implements hook_theme_registry_alter().
*/
function imagestyleflush_theme_registry_alter(&$theme_registry) {
$theme_registry['image_style_list']['function'] = 'imagestyleflush_image_style_list';
}
/**
* theme_image_style_list() override function.
*
* @see image.admin.inc
*/
function imagestyleflush_image_style_list($variables) {
$styles = $variables['styles'];
$header = array(t('Style name'), t('Settings'), array('data' => t('Operations'), 'colspan' => 3));
$rows = array();
foreach ($styles as $style) {
$row = array();
$row[] = l($style['name'], 'admin/config/media/image-styles/edit/' . $style['name']);
$link_attributes = array(
'attributes' => array(
'class' => array('image-style-link'),
),
);
if ($style['storage'] == IMAGE_STORAGE_NORMAL) {
$row[] = t('Custom');
$row[] = l(t('edit'), 'admin/config/media/image-styles/edit/' . $style['name'], $link_attributes);
$row[] = l(t('flush'), 'admin/config/media/image-styles/flush/' . $style['name'], $link_attributes);
$row[] = l(t('delete'), 'admin/config/media/image-styles/delete/' . $style['name'], $link_attributes);
}
elseif ($style['storage'] == IMAGE_STORAGE_OVERRIDE) {
$row[] = t('Overridden');
$row[] = l(t('edit'), 'admin/config/media/image-styles/edit/' . $style['name'], $link_attributes);
$row[] = l(t('flush'), 'admin/config/media/image-styles/flush/' . $style['name'], $link_attributes);
$row[] = l(t('revert'), 'admin/config/media/image-styles/revert/' . $style['name'], $link_attributes);
}
else {
$row[] = t('Default');
$row[] = l(t('edit'), 'admin/config/media/image-styles/edit/' . $style['name'], $link_attributes);
$row[] = l(t('flush'), 'admin/config/media/image-styles/flush/' . $style['name'], $link_attributes);
$row[] = '';
}
$rows[] = $row;
}
if (empty($rows)) {
$rows[] = array(array(
'colspan' => 4,
'data' => t('There are currently no styles. <a href="!url">Add a new one</a>.', array('!url' => url('admin/config/media/image-styles/add'))),
));
}
return theme('table', array('header' => $header, 'rows' => $rows));
}
/**
* Form constructor for the confirm form.
*
* @param $style
* Associative array can contain a style name. Optional.
*
* @see imagestyleflush_form_submit()
* @ingroup forms
*/
function imagestyleflush_form($form, &$form_state, $style = NULL) {
if (isset($style)) {
$form = confirm_form(
array(
'style_name' => array(
'#type' => 'value',
'#value' => $style['name'],
),
),
t('Are you sure you want to flush @style image style?', array('@style' => $style['name'])),
'admin/config/media/image-styles',
t('This action cannot be undone.'),
t('Flush'), t('Cancel')
);
}
else {
$form = confirm_form(
NULL,
t('Are you sure you want to flush all image styles?'),
'admin/config/media/image-styles',
t('This action cannot be undone.'),
t('Flush'), t('Cancel')
);
}
return $form;
}
/**
* Form submission handler for imagestyleflush_form().
*
* @see imagestyleflush_form()
*/
function imagestyleflush_form_submit($form, &$form_state) {
if (isset($form_state['values']['style_name'])) {
$style = image_style_load($form_state['values']['style_name']);
$operations[] = array('image_style_flush', array($style));
}
else {
foreach (image_styles() as $style) {
$operations[] = array('image_style_flush', array($style));
}
}
$batch = array(
'operations' => $operations,
'finished' => 'imagestyleflush_batch_finished',
);
batch_set($batch);
}
/**
* Batch message.
*/
function imagestyleflush_batch_finished($success, $results, $operations) {
if ($success) {
drupal_set_message(t('Image styles was successfully flushed.'));
}
else {
drupal_set_message(t('An error occurred while flushing the image caches.', 'error'));
}
drupal_goto('admin/config/media/image-styles');
}