/**
* Form element validation handler for validating the primary region setting for zones.
*/
function alpha_theme_settings_validate_primary(&$element, &$form_state)
{
if ($element['#value'] != '_none') {
$values = $form_state['values'];
if ($values['alpha_region_' . $element['#value'] . '_zone'] != $element['#zone']) {
form_set_value($element, NULL, $form_state);
} else {
$theme = $form_state['build_info']['args'][0];
$regions = alpha_regions(NULL, $theme);
$zones = alpha_zones(NULL, $theme);
$element['#sum'] = 0;
foreach ($regions as $region => $item) {
if ($values['alpha_region_' . $region . '_zone'] == $element['#zone']) {
$element['#sum'] += $values['alpha_region_' . $region . '_columns'];
$element['#sum'] += $values['alpha_region_' . $region . '_prefix'];
$element['#sum'] += $values['alpha_region_' . $region . '_suffix'];
}
}
if ($element['#sum'] > $values['alpha_zone_' . $element['#zone'] . '_columns']) {
form_error($element, t('You have specified the %region region as the primary region for the %zone zone but the summed region width is greater than the number of available columns for that zone.', array('%region' => $regions[$element['#value']]['name'], '%zone' => $zones[$element['#zone']]['name'])));
}
}
}
}
/**
* Implements hook_page_alter().
*/
function alpha_page_alter(&$vars)
{
$settings = alpha_settings();
$regions = $columns = array();
$reference =& drupal_static('alpha_regions');
if ($settings['debug']['access']) {
if ($settings['debug']['block']) {
foreach (alpha_regions() as $region => $item) {
if ($item['enabled']) {
$block = new stdClass();
$block->delta = 'debug-' . $region;
$block->region = $region;
$block->module = 'alpha-debug';
$block->subject = $item['name'];
$vars[$region]['#sorted'] = FALSE;
$vars[$region]['alpha_debug_' . $region] = array('#block' => $block, '#weight' => -999, '#markup' => t('This is a debugging block'), '#theme_wrappers' => array('block'));
}
}
}
if ($settings['debug']['grid']) {
$class = 'alpha-grid-toggle alpha-grid-toggle-' . ($settings['debug']['active'] ? 'active' : 'inactive');
if (empty($vars['page_bottom'])) {
$vars['page_bottom']['#region'] = 'page_bottom';
$vars['page_bottom']['#theme_wrappers'] = array('region');
}
if ($settings['responsive']) {
$vars['page_bottom']['alpha_resize_indicator'] = array('#type' => 'markup', '#markup' => '<div class="alpha-resize-indicator"></div>');
}
$vars['page_bottom']['alpha_grid_toggle'] = array('#type' => 'markup', '#markup' => '<a class="' . $class . '" href="#"></a>');
}
}
foreach (alpha_regions() as $region => $item) {
if ($item['enabled'] && ($item['force'] || !empty($vars[$region]))) {
$zone = $item['zone'];
$regions[$zone][$region] = isset($vars[$region]) ? $vars[$region] : array();
$regions[$zone][$region]['#region'] = $region;
$regions[$zone][$region]['#theme_wrappers'] = array('region');
$regions[$zone][$region]['#data'] = $item;
$regions[$zone][$region]['#weight'] = (int) $item['weight'];
if ($children = element_children($regions[$zone][$region])) {
$last = count($children) - 1;
foreach ($children as $element) {
$regions[$zone][$region][$element]['#first'] = $element == $children[0];
$regions[$zone][$region][$element]['#last'] = $element == $children[$last];
}
}
}
unset($vars[$region]);
}
foreach (alpha_zones() as $zone => $item) {
if ($item['enabled'] && ($item['force'] || !empty($regions[$zone]))) {
$section = $item['section'];
$columns[$item['columns']] = $item['columns'];
if (!empty($item['primary']) && !empty($regions[$zone][$item['primary']])) {
$children = element_children($regions[$zone]);
$theme = $GLOBALS['theme_key'];
$primary =& $regions[$zone][$item['primary']];
$primary['#weight'] = -999;
$primary['#data']['columns'] = $item['columns'] - $primary['#data']['prefix'] - $primary['#data']['suffix'];
$primary['#data']['width'] = $item['columns'];
foreach ($children as $region) {
if (!$regions[$zone][$region]['#data']['primary']) {
$primary['#data']['columns'] -= $regions[$zone][$region]['#data']['width'];
$primary['#data']['width'] -= $regions[$zone][$region]['#data']['width'];
if ($primary['#data']['weight'] > $regions[$zone][$region]['#data']['weight']) {
$primary['#data']['push'] += $regions[$zone][$region]['#data']['width'];
}
}
}
$reference[$theme][$item['primary']]['columns'] = $primary['#data']['columns'];
$reference[$theme][$item['primary']]['width'] = $primary['#data']['width'];
$reference[$theme][$item['primary']]['push'] = $primary['#data']['push'];
foreach ($children as $region) {
if (!$regions[$zone][$region]['#data']['primary'] && $primary['#data']['weight'] > $regions[$zone][$region]['#data']['weight']) {
$regions[$zone][$region]['#data']['pull'] = $primary['#data']['width'];
$reference[$theme][$region]['pull'] = $primary['#data']['width'];
}
}
}
$vars[$section][$zone] = !empty($regions[$zone]) ? $regions[$zone] : array();
$vars[$section][$zone]['#theme_wrappers'] = array('zone');
$vars[$section][$zone]['#zone'] = $zone;
$vars[$section][$zone]['#weight'] = (int) $item['weight'];
$vars[$section][$zone]['#sorted'] = FALSE;
$vars[$section][$zone]['#data'] = $item;
$vars[$section][$zone]['#data']['type'] = !empty($item['primary']) && !empty($vars[$section][$zone][$item['primary']]) ? 'dynamic' : 'static';
}
}
foreach (alpha_sections() as $section => $item) {
if (isset($vars[$section])) {
$vars[$section]['#theme_wrappers'] = array('section');
$vars[$section]['#section'] = $section;
}
}
alpha_include_grid($settings['grid'], $columns);
}
