static function responsive_grid(array $wrapper_settings)
{
global $wrapper_css_flags;
/* If wrapper is mirrored then use settings from it for the grid */
if ($potential_wrapper_mirror = HeadwayWrappers::get_wrapper_mirror($wrapper_settings)) {
$wrapper_settings = $potential_wrapper_mirror;
}
$round_precision = 9;
$return = '';
$grid_number = headway_get('columns', $wrapper_settings);
$column_width = headway_get('use-independent-grid', $wrapper_settings) ? headway_get('column-width', $wrapper_settings) : HeadwayOption::get('column-width', false, HeadwayWrappers::$default_column_width);
$gutter_width = headway_get('use-independent-grid', $wrapper_settings) ? headway_get('gutter-width', $wrapper_settings) : HeadwayOption::get('gutter-width', false, HeadwayWrappers::$default_gutter_width);
/* Render the Grid into arrays to see if sub column CSS will be needed */
$wrapper_blocks = HeadwayBlocksData::get_blocks_by_wrapper(headway_get('layout-in-use'), $wrapper_settings['id']);
$wrapper_rendered = new HeadwayGridRenderer($wrapper_blocks, $wrapper_settings);
/* Process the blocks into arrays */
$wrapper_rendered->process();
$blocks_in_sub_columns = !empty($wrapper_rendered->blocks_in_sub_columns) ? true : false;
/* Keep extraneous CSS from be created by wrappers that have the same settings */
$grid_class = 'grid-fluid-' . $grid_number . '-' . $column_width . '-' . $gutter_width;
/* If there are no sub columns and the main CSS has already been outputted, just stop here */
if (isset($wrapper_css_flags[$grid_class]) && !$blocks_in_sub_columns) {
return;
}
/* End extraneous CSS check */
/* Make calculations for the percentages */
$grid_wrapper_width = $column_width * $grid_number + ($grid_number - 1) * $gutter_width;
$resp_width_ratio = $column_width * $grid_number / $grid_wrapper_width;
$resp_gutter_ratio = $gutter_width * $grid_number / $grid_wrapper_width;
$resp_single_column_width = 100 / $grid_number * $resp_width_ratio;
$resp_single_column_margin = 100 / $grid_number * $resp_gutter_ratio;
/* Add CSS prefix */
$prefix = 'div.' . $grid_class . ' ';
/* Generate the main Grid CSS */
if (!isset($wrapper_css_flags[$grid_class])) {
$return .= $prefix . '.column { margin-left: ' . round($resp_single_column_margin, $round_precision) . '%; }' . "\n";
for ($i = 1; $i <= $grid_number; $i++) {
/* Vars */
$resp_grid_width = $resp_single_column_width * $i + $i * $resp_single_column_margin;
$resp_grid_left_margin = ($resp_single_column_width + $resp_single_column_margin) * $i + $resp_single_column_margin;
/* Output */
$return .= $prefix . '.grid-width-' . $i . ' { width: ' . round($resp_grid_width - $resp_single_column_margin, $round_precision) . '%; }' . "\n";
if ($i < $grid_number) {
$return .= $prefix . '.grid-left-' . $i . ' { margin-left: ' . round($resp_grid_left_margin, $round_precision) . '%; }' . "\n";
}
}
/* Create a flag keeping this same Grid CSS from being outputted */
$wrapper_css_flags['grid-fluid-' . $grid_number . '-' . $column_width . '-' . $gutter_width] = true;
}
/* End main grid CSS */
/* Responsive Sub Column CSS */
if ($blocks_in_sub_columns) {
/* Get the columns required for sub columns */
$required_columns_for_sub_columns = array();
foreach ($wrapper_rendered->blocks_in_sub_columns as $block_in_sub_column_id) {
if (isset($wrapper_rendered->blocks[$block_in_sub_column_id]['parent-column-width'])) {
$required_columns_for_sub_columns[] = $wrapper_rendered->blocks[$block_in_sub_column_id]['parent-column-width'];
}
}
$required_columns_for_sub_columns = array_filter(array_unique($required_columns_for_sub_columns));
/* End getting columns required for sub columns */
for ($i = 1; $i <= $grid_number; $i++) {
/* Don't output the sub column CSS if there's no column of this number with sub columns and don't output it if has already by a previous wrapper. */
if (!in_array($i, $required_columns_for_sub_columns) || isset($wrapper_css_flags['grid-fluid-' . $grid_number . '-' . $column_width . '-' . $gutter_width . '-sub-columns-column-' . $i])) {
continue;
}
/* Vars */
$resp_grid_width = $resp_single_column_width * $i + $i * $resp_single_column_margin;
$resp_grid_left_margin = ($resp_single_column_width + $resp_single_column_margin) * $i + $resp_single_column_margin;
$sub_column_single_width = $resp_single_column_width / $resp_grid_width * 100;
$sub_column_single_margin = $resp_single_column_margin / $resp_grid_width * 100;
$return .= $prefix . '.grid-width-' . $i . ' .sub-column { margin-left: ' . round($sub_column_single_margin, $round_precision) . '%; }' . "\n";
for ($sub_column_i = 1; $sub_column_i < $i; $sub_column_i++) {
/* Sub column vars */
$sub_column_width = $sub_column_single_width * $sub_column_i + $sub_column_i * $sub_column_single_margin;
$sub_column_margin = ($sub_column_single_width + $sub_column_single_margin) * $sub_column_i + $sub_column_single_margin;
$return .= $prefix . '.grid-width-' . $i . ' .sub-column.grid-width-' . $sub_column_i . ' { width: ' . round($sub_column_width - $sub_column_single_margin, $round_precision) . '%; }' . "\n";
$return .= $prefix . '.grid-width-' . $i . ' .sub-column.grid-width-' . $sub_column_i . '.column-1 { width: ' . round($sub_column_width, $round_precision) . '%; }' . "\n";
$return .= $prefix . '.grid-width-' . $i . ' .sub-column.grid-left-' . $sub_column_i . ' { margin-left: ' . round($sub_column_margin, $round_precision) . '%; }' . "\n";
$return .= $prefix . '.grid-width-' . $i . ' .sub-column.grid-left-' . $sub_column_i . '.column-1 { margin-left: ' . round($sub_column_margin - $sub_column_single_margin, $round_precision) . '%; }' . "\n";
}
/* Create a flag keeping this same sub column CSS from being outputted */
$wrapper_css_flags['grid-fluid-' . $grid_number . '-' . $column_width . '-' . $gutter_width . '-sub-columns-column-' . $i] = true;
}
}
/* End responsive sub column CSS */
return $return;
}
public function display()
{
if (!$this->blocks) {
return $this->display_no_blocks_message();
}
foreach ($this->wrappers as $wrapper_id => $wrapper_settings) {
$wrapper_id_for_blocks = $wrapper_id;
/* Check if mirroring. If mirroring, change wrapper ID to the wrapper being mirrored and preserve original ID for a later class */
if ($wrapper_being_mirrored = HeadwayWrappers::get_wrapper_mirror($wrapper_settings)) {
$mirrored_wrapper_id = $wrapper_being_mirrored['id'];
$wrapper_id_for_blocks = $mirrored_wrapper_id;
foreach (HeadwayBlocksData::get_blocks_by_wrapper($wrapper_being_mirrored['layout'], $mirrored_wrapper_id) as $block_from_mirrored_wrapper) {
$this->blocks[$block_from_mirrored_wrapper['id']] = $block_from_mirrored_wrapper;
}
}
/* Grab blocks belonging to this wrapper */
$wrapper_blocks = array();
foreach ($this->blocks as $block_id => $block) {
if (headway_get('wrapper', $block, HeadwayWrappers::$default_wrapper_id) === $wrapper_id_for_blocks) {
$wrapper_blocks[$block_id] = $block;
}
/* If there's only one wrapper and the block does not have a proper ID or is default, move it to that wrapper */
if (count($this->wrappers) === 1 && (headway_get('wrapper', $block) === null || headway_get('wrapper', $block) == 'wrapper-default' || !isset($this->wrappers[headway_get('wrapper', $block)]))) {
$wrapper_blocks[$block_id] = $block;
}
}
/* Setup wrapper classes */
$wrapper_column_width = headway_get('use-independent-grid', $wrapper_settings) ? headway_get('column-width', $wrapper_settings) : HeadwayOption::get('column-width', false, HeadwayWrappers::$default_column_width);
$wrapper_gutter_width = headway_get('use-independent-grid', $wrapper_settings) ? headway_get('gutter-width', $wrapper_settings) : HeadwayOption::get('gutter-width', false, HeadwayWrappers::$default_gutter_width);
$wrapper_classes = array('wrapper');
$wrapper_classes[] = $wrapper_settings['fluid'] ? 'wrapper-fluid' : 'wrapper-fixed';
$wrapper_classes[] = HeadwayResponsiveGrid::is_active() ? 'responsive-grid' : null;
$wrapper_classes[] = headway_get('use-independent-grid', $wrapper_settings) ? 'independent-grid' : null;
$wrapper_classes[] = 'grid-' . ($wrapper_settings['fluid-grid'] || HeadwayResponsiveGrid::is_enabled() ? 'fluid' : 'fixed') . '-' . $wrapper_settings['columns'] . '-' . $wrapper_column_width . '-' . $wrapper_gutter_width;
$wrapper_classes[] = $wrapper_being_mirrored ? 'wrapper-mirroring-' . HeadwayWrappers::format_wrapper_id($mirrored_wrapper_id) : null;
$last_wrapper_id = array_slice(array_keys($this->wrappers), -1, 1);
$last_wrapper_id = $last_wrapper_id[0];
$first_wrapper_id = array_keys($this->wrappers);
$first_wrapper_id = $first_wrapper_id[0];
if ($last_wrapper_id == $wrapper_id) {
$wrapper_classes[] = 'wrapper-last';
} else {
if ($first_wrapper_id == $wrapper_id) {
$wrapper_classes[] = 'wrapper-first';
}
}
/* Custom wrapper classes */
$custom_css_classes = explode(' ', str_replace(' ', ' ', str_replace(',', ' ', htmlspecialchars(strip_tags(headway_get('css-classes', $wrapper_settings, ''))))));
$wrapper_classes = array_merge($wrapper_classes, $custom_css_classes);
/* Display the wrapper */
do_action('headway_before_wrapper');
echo '<div id="' . $wrapper_id . '" class="' . implode(' ', array_unique(array_filter($wrapper_classes))) . '">' . "\n\n";
do_action('headway_wrapper_open');
$wrapper = new HeadwayGridRenderer($wrapper_blocks, $wrapper_settings);
$wrapper->render_grid();
do_action('headway_wrapper_close');
echo '</div><!-- .wrapper -->' . "\n\n";
do_action('headway_after_wrapper');
/* End displaying wrapper */
}
}