/**
* Returns an array properly formatted for use by the Nova_Palette control.
*
* @param $palettes_nr int the number of palettes we want to get
* @return array
*/
public static function get_palettes($palettes_nr = 5)
{
$palettes = self::parse();
$palettes = array_slice($palettes, 0, $palettes_nr);
$i = 0;
foreach ($palettes as $palette) {
$palettes[$i] = array();
foreach ($palette as $key => $value) {
$palettes[$i][$key] = Nova_Color::sanitize_hex($value);
}
$i++;
}
return $palettes;
}
/**
* Build the background fields.
* Takes a single field with type = background and explodes it to multiple controls.
*
* @param array
* @return null|array
*/
public static function explode($field)
{
$i18n = Nova_Toolkit::i18n();
$choices = self::background_choices();
// Early exit if this is not a background field.
if ('background' != $field['type']) {
return;
}
// Sanitize field
$field = Nova_Field_Sanitize::sanitize_field($field);
// No need to proceed any further if no defaults have been set.
// We build the array of fields based on what default values have been defined.
if (!isset($field['default']) || !is_array($field['default'])) {
return;
}
$fields = array();
$i = 0;
foreach ($field['default'] as $key => $value) {
// No need to process the opacity, it is factored in the color control.
if ('opacity' == $key) {
continue;
}
$key = esc_attr($key);
$setting = $key;
$help = $field['help'];
$description = isset($i18n['background-' . $key]) ? $i18n['background-' . $key] : '';
$output_property = 'background-' . $key;
$label = 0 === $i ? $field['label'] : '';
$type = 'select';
$sanitize_callback = 'esc_attr';
switch ($key) {
case 'color':
/**
* Use 'color-alpha' instead of 'color' if default is an rgba value
* or if 'opacity' is set.
*/
$type = false !== strpos($field['default']['color'], 'rgba') ? 'color-alpha' : 'color';
$type = isset($field['default']['opacity']) ? 'color-alpha' : $type;
if (isset($field['default']['opacity']) && false === strpos($value, 'rgb')) {
$value = Nova_Color::get_rgba($value, $field['default']['opacity']);
}
$sanitize_callback = array('Nova_Sanitize_Values', 'color');
break;
case 'image':
$type = 'image';
$sanitize_callback = 'esc_url_raw';
break;
case 'attach':
/**
* Small hack so that background attachments properly work.
*/
$output_property = 'background-attachment';
$description = $i18n['background-attachment'];
break;
default:
$help = '';
break;
}
/**
* If we're using options & option_name is set, then we need to modify the setting.
*/
if (isset($field['option_type']) && 'option' == $field['option_type'] && isset($field['option_name']) && !empty($field['option_name'])) {
$property_setting = str_replace(']', '', str_replace($field['option_name'] . '[', '', $field['settings']));
$property_setting = esc_attr($field['option_name']) . '[' . esc_attr($property_setting) . '_' . $setting . ']';
} else {
$property_setting = esc_attr($field['settings']) . '_' . $setting;
}
/**
* Build the field.
* We're merging with the original field here, so any extra properties are inherited.
*/
$fields[$property_setting] = array_merge($field, array('type' => $type, 'label' => $label, 'settings' => $property_setting, 'help' => $help, 'section' => $field['section'], 'priority' => $field['priority'], 'required' => $field['required'], 'description' => $description, 'default' => $value, 'id' => Nova_Field_Sanitize::sanitize_id(array('settings' => Nova_Field_Sanitize::sanitize_settings(array('settings' => $field['settings'] . '_' . $setting)))), 'choices' => isset($choices[$key]) ? $choices[$key] : array(), 'output' => '' != $field['output'] ? array(array('element' => $field['output'], 'property' => $output_property)) : '', 'sanitize_callback' => isset($sanitize_callback) ? $sanitize_callback : Nova_Field_Sanitize::fallback_callback($type)));
$i++;
}
return $fields;
}
function nova_get_brightness($hex)
{
return Nova_Color::get_brightness($hex);
}
public function get_colors()
{
$color = $this->get_admin_colors();
$config = apply_filters('nova/config', array());
// Calculate the accent color
$this->color_accent = isset($color['icon_colors']) && isset($color['icon_colos']['focus']) ? $color['icon_colors']['focus'] : '#3498DB';
if (isset($config['color_accent'])) {
$this->color_accent = Nova_Color::sanitize_hex($config['color_accent']);
}
// Calculate the background & font colors
$this->color_back = false;
$this->color_font = false;
if (isset($config['color_back'])) {
$this->color_back = Nova_Color::sanitize_hex($config['color_back']);
$this->color_font = 170 > Nova_Color::get_brightness($this->color_back) ? '#f2f2f2' : '#222';
}
$this->border_color = 170 > Nova_Color::get_brightness($this->color_back) ? 'rgba(255,255,255,.2)' : 'rgba(0,0,0,.2)';
$this->buttons_color = 170 > Nova_Color::get_brightness($this->color_back) ? Nova_Color::adjust_brightness($this->color_back, 80) : Nova_Color::adjust_brightness($this->color_back, -80);
$this->controls_color = 170 > Nova_Color::get_brightness($this->color_accent) ? '#ffffff;' : '#333333';
$this->arrows_color = 170 > Nova_Color::get_brightness($this->color_back) ? Nova_Color::adjust_brightness($this->color_back, 120) : Nova_Color::adjust_brightness($this->color_back, -120);
$this->color_accent_text = 170 > Nova_Color::get_brightness($this->color_accent) ? Nova_Color::adjust_brightness($this->color_accent, 120) : Nova_Color::adjust_brightness($this->color_accent, -120);
$this->section_background_color = Nova_Color::mix_colors($this->color_back, '#ffffff', 10);
}
/**
* Sanitize colors.
* Determine if the current value is a hex or an rgba color and call the appropriate method.
*
* @since 0.8.5
* @return string
*/
public static function color($value)
{
// Is this an rgba color or a hex?
$mode = false === strpos($value, 'rgba') ? 'rgba' : 'hex';
if ('rgba' == $mode) {
return Nova_Color::sanitize_hex($value);
} else {
return self::rgba($value);
}
}