drupal/core/modules/block/block.admin.inc

385 lines
13 KiB
PHP

<?php
/**
* @file
* Admin page callbacks for the block module.
*/
/**
* Page callback: Attaches CSS for the block region demo.
*
* @see block_menu()
*/
function block_admin_demo($theme = NULL) {
drupal_add_css(drupal_get_path('module', 'block') . '/block.admin.css');
return '';
}
/**
* Page callback: Shows the block administration page.
*
* @param $theme
* The theme to display the administration page for. If not provided, defaults
* to the currently used theme.
*
* @see block_menu()
*/
function block_admin_display($theme = NULL) {
global $theme_key;
drupal_theme_initialize();
if (!isset($theme)) {
// If theme is not specifically set, rehash for the current theme.
$theme = $theme_key;
}
// Fetch and sort blocks.
$blocks = block_admin_display_prepare_blocks($theme);
return drupal_get_form('block_admin_display_form', $blocks, $theme);
}
/**
* Prepares a list of blocks for display on the blocks administration page.
*
* @param $theme
* The machine-readable name of the theme whose blocks should be returned.
*
* @return
* An array of blocks, as returned by _block_rehash(), sorted by region in
* preparation for display on the blocks administration page.
*
* @see block_admin_display_form()
*/
function block_admin_display_prepare_blocks($theme) {
$blocks = _block_rehash($theme);
$compare_theme = &drupal_static('_block_compare:theme');
$compare_theme = $theme;
usort($blocks, '_block_compare');
return $blocks;
}
/**
* Form constructor for the main block administration form.
*
* @param $blocks
* An array of blocks, as returned by block_admin_display_prepare_blocks().
* @param $theme
* A string representing the name of the theme to edit blocks for.
* @param $block_regions
* (optional) An array of regions in which the blocks will be allowed to be
* placed. Defaults to all visible regions for the theme whose blocks are
* being configured. In all cases, a dummy region for disabled blocks will
* also be displayed.
*
* @return
* An array representing the form definition.
*
* @ingroup forms
* @see block_admin_display_form_submit()
*/
function block_admin_display_form($form, &$form_state, $blocks, $theme, $block_regions = NULL) {
$path = drupal_get_path('module', 'block');
$form['#attached']['css'][] = $path . '/block.admin.css';
$form['#attached']['library'][] = array('system', 'drupal.tableheader');
$form['#attached']['library'][] = array('block', 'drupal.block');
// Get a list of block regions if one was not provided.
if (!isset($block_regions)) {
$block_regions = system_region_list($theme, REGIONS_VISIBLE);
}
// Add a last region for disabled blocks.
$block_regions_with_disabled = $block_regions + array(BLOCK_REGION_NONE => BLOCK_REGION_NONE);
foreach ($block_regions_with_disabled as $region => $title) {
$form['#attached']['drupal_add_tabledrag'][] = array('blocks', 'match', 'sibling', 'block-region-select', 'block-region-' . $region, NULL, FALSE);
$form['#attached']['drupal_add_tabledrag'][] = array('blocks', 'order', 'sibling', 'block-weight', 'block-weight-' . $region);
}
// Weights range from -delta to +delta, so delta should be at least half
// of the amount of blocks present. This makes sure all blocks in the same
// region get an unique weight.
$weight_delta = round(count($blocks) / 2);
// Build the form tree.
$form['edited_theme'] = array(
'#type' => 'value',
'#value' => $theme,
);
$form['block_regions'] = array(
'#type' => 'value',
'#value' => $block_regions_with_disabled,
);
$form['blocks'] = array();
$form['#tree'] = TRUE;
foreach ($blocks as $key => $instance) {
$block = $instance->getConfig();
$form['blocks'][$key]['config_id'] = array(
'#type' => 'value',
'#value' => $block['config_id'],
);
$info = $instance->getDefinition();
$form['blocks'][$key]['info'] = array(
'#markup' => check_plain($info['subject']),
);
$form['blocks'][$key]['theme'] = array(
'#type' => 'hidden',
'#value' => $theme,
);
$form['blocks'][$key]['weight'] = array(
'#type' => 'weight',
'#default_value' => $block['weight'],
'#delta' => $weight_delta,
'#title_display' => 'invisible',
'#title' => t('Weight for @block block', array('@block' => $info['subject'])),
);
$form['blocks'][$key]['region'] = array(
'#type' => 'select',
'#default_value' => $block['region'] != BLOCK_REGION_NONE ? $block['region'] : NULL,
'#empty_value' => BLOCK_REGION_NONE,
'#title_display' => 'invisible',
'#title' => t('Region for @block block', array('@block' => $info['subject'])),
'#options' => $block_regions,
);
$links['configure'] = array(
'title' => t('configure'),
'href' => 'admin/structure/block/manage/' . $block['config_id'] . '/' . $theme . '/configure',
);
$links['delete'] = array(
'title' => t('delete'),
'href' => 'admin/structure/block/manage/' . $block['config_id'] . '/' . $theme . '/delete',
);
$form['blocks'][$key]['operations'] = array(
'#type' => 'operations',
'#links' => $links,
);
}
// Do not allow disabling the main system content block when it is present.
if (isset($form['blocks']['system_main']['region'])) {
$form['blocks']['system_main']['region']['#required'] = TRUE;
}
$form['actions'] = array(
'#tree' => FALSE,
'#type' => 'actions',
);
$form['actions']['submit'] = array(
'#type' => 'submit',
'#value' => t('Save blocks'),
'#button_type' => 'primary',
);
return $form;
}
/**
* Form submission handler for block_admin_display_form().
*
* @see block_admin_display_form()
*/
function block_admin_display_form_submit($form, &$form_state) {
foreach ($form_state['values']['blocks'] as $block) {
$config = config($block['config_id']);
$config->set('weight', $block['weight']);
$config->set('region', $block['region']);
$config->save();
}
drupal_set_message(t('The block settings have been updated.'));
cache_invalidate_tags(array('content' => TRUE));
}
/**
* Sorts active blocks by region, then by weight; sorts inactive blocks by name.
*
* Callback for usort() in block_admin_display_prepare_blocks().
*/
function _block_compare($ainstance, $binstance) {
global $theme_key;
$a = $ainstance->getConfig();
$b = $binstance->getConfig();
// Theme should be set before calling this function, or the current theme
// is being used.
$theme = &drupal_static(__FUNCTION__ . ':theme');
if (!isset($theme)) {
$theme = $theme_key;
}
$regions = &drupal_static(__FUNCTION__ . ':regions');
// We need the region list to correctly order by region.
if (!isset($regions)) {
$regions = array_flip(array_keys(system_region_list($theme)));
$regions[BLOCK_REGION_NONE] = count($regions);
}
// Separate enabled from disabled.
$status = $b['status'] - $a['status'];
if ($status) {
return $status;
}
// Sort by region (in the order defined by theme .info file).
if ((!empty($a['region']) && !empty($b['region'])) && ($place = ($regions[$a['region']] - $regions[$b['region']]))) {
return $place;
}
// Sort by weight, unless disabled.
if ($a['region'] != BLOCK_REGION_NONE) {
$weight = $a['weight'] - $b['weight'];
if ($weight) {
return $weight;
}
}
// Sort by title.
$ainfo = $ainstance->getDefinition();
$binfo = $binstance->getDefinition();
return strcmp($ainfo['subject'], $binfo['subject']);
}
/**
* Form constructor for the block instance configuration form.
*
* @param string $plugin_id
* The plugin ID for the block instance.
* @param string $theme
* (optional) The name of the theme for the block instance. If no theme is
* specified, the default theme will be used.
*
* @see block_menu()
* @see custom_block_menu()
* @see block_admin_configure_validate()
* @see block_admin_configure_submit()
*
* @ingroup forms
*/
function block_admin_configure($form, &$form_state, $plugin_id, $theme = NULL) {
$instance = block_load($plugin_id);
$form['#instance'] = $instance;
$config = $instance->getConfig();
if (!isset($config['config_id']) && !$theme) {
$theme = variable_get('theme_default', 'stark');
}
elseif (!$theme && isset($config['config_id'])) {
list(, , , $theme) = explode('.', $config['config_id']);
}
$form['theme'] = array(
'#type' => 'value',
'#value' => $theme,
);
$form += $instance->form($form, $form_state);
return $form;
}
/**
* Form validation handler for block_admin_configure().
*
* @see block_admin_configure()
* @see block_admin_configure_submit()
*/
function block_admin_configure_validate($form, &$form_state) {
$form['#instance']->validate($form, $form_state);
}
/**
* Form submission handler for block_admin_configure().
*
* @see block_admin_configure()
* @see block_admin_configure_validate()
*/
function block_admin_configure_submit($form, &$form_state) {
$form['#instance']->submit($form, $form_state);
$config_values = $form['#instance']->getConfig();
$machine_name = 'plugin.core.block.' . $form_state['values']['theme'] . '.' . $form_state['values']['machine_name'];
$config = config($machine_name);
$config->set('id', $form['#instance']->getPluginId());
foreach ($config_values as $key => $value) {
$config->set($key, $value);
}
$config->save();
drupal_set_message(t('The block configuration has been saved.'));
cache_invalidate_tags(array('content' => TRUE));
$form_state['redirect'] = 'admin/structure/block/list/block_plugin_ui:' . $form_state['values']['theme'];
}
/**
* Form constructor for the block instance deletion form.
*
* @param string $plugin_id
* The plugin ID for the block instance.
* @param string $theme
* The name of the theme for the block instance.
*
* @see block_menu()
* @see block_admin_block_delete_submit()
*/
function block_admin_block_delete($form, &$form_state, $plugin_id, $theme) {
$block = block_load($plugin_id);
$form['id'] = array('#type' => 'value', '#value' => $plugin_id);
$form['theme'] = array('#type' => 'value', '#value' => $theme);
$definition = $block->getDefinition();
$config = $block->getConfig();
$subject = empty($config['subject']) ? $definition['subject'] : $config['subject'];
$form['subject'] = array('#type' => 'value', '#value' => $subject);
return confirm_form($form, t('Are you sure you want to delete the block %name?', array('%name' => $subject)), 'admin/structure/block', '', t('Delete'), t('Cancel'));
}
/**
* Form submission handler for block_admin_block_delete().
*
* @see block_admin_block_delete()
*/
function block_admin_block_delete_submit($form, &$form_state) {
$config = config($form_state['values']['id']);
$config->delete();
drupal_set_message(t('The block %name has been removed.', array('%name' => $form_state['values']['subject'])));
$form_state['redirect'] = 'admin/structure/block/list/block_plugin_ui:' . $form_state['values']['theme'];
}
/**
* Processes variables for block-admin-display-form.tpl.php.
*
* The $variables array contains the following arguments:
* - $form
*
* @see block-admin-display.tpl.php
* @see theme_block_admin_display()
*/
function template_preprocess_block_admin_display_form(&$variables) {
$variables['block_regions'] = $variables['form']['block_regions']['#value'];
if (isset($variables['block_regions'][BLOCK_REGION_NONE])) {
$variables['block_regions'][BLOCK_REGION_NONE] = t('Disabled');
}
foreach ($variables['block_regions'] as $key => $value) {
// Initialize an empty array for the region.
$variables['block_listing'][$key] = array();
}
// Initialize disabled blocks array.
$variables['block_listing'][BLOCK_REGION_NONE] = array();
// Add each block in the form to the appropriate place in the block listing.
foreach (element_children($variables['form']['blocks']) as $i) {
$block = &$variables['form']['blocks'][$i];
// Fetch the region for the current block.
$region = (isset($block['region']['#default_value']) ? $block['region']['#default_value'] : BLOCK_REGION_NONE);
// Set special classes needed for table drag and drop.
$block['region']['#attributes']['class'] = array('block-region-select', 'block-region-' . $region);
$block['weight']['#attributes']['class'] = array('block-weight', 'block-weight-' . $region);
$variables['block_listing'][$region][$i] = new stdClass();
$variables['block_listing'][$region][$i]->row_class = !empty($block['#attributes']['class']) ? implode(' ', $block['#attributes']['class']) : '';
$variables['block_listing'][$region][$i]->block_modified = !empty($block['#attributes']['class']) && in_array('block-modified', $block['#attributes']['class']);
$variables['block_listing'][$region][$i]->block_title = drupal_render($block['info']);
$variables['block_listing'][$region][$i]->region_select = drupal_render($block['region']) . drupal_render($block['theme']);
$variables['block_listing'][$region][$i]->weight_select = drupal_render($block['weight']);
$variables['block_listing'][$region][$i]->operations = drupal_render($block['operations']);
$variables['block_listing'][$region][$i]->printed = FALSE;
}
$variables['form_submit'] = drupal_render_children($variables['form']);
}