/**
  * The class constructor.
  *
  * @var 	string		the setting ID.
  * @var 	string		theme_mod / option
  * @var 	array 		an array of arrays of the output arguments.
  * @var 	mixed		a callable function.
  */
 public static function css($field)
 {
     /**
      * Make sure the field is sanitized before proceeding any further.
      */
     $field_sanitized = Lessekirki_Field_Sanitize::sanitize_field($field);
     /**
      * Set class vars
      */
     self::$settings = $field_sanitized['settings'];
     self::$callback = $field_sanitized['sanitize_callback'];
     self::$field_type = $field_sanitized['type'];
     self::$output = $field_sanitized['output'];
     if (!is_array(self::$output)) {
         self::$output = array(array('element' => self::$output, 'sanitize_callback' => null));
     }
     /**
      * Get the value of this field
      */
     self::$value = Lessekirki_Values::get_sanitized_field_value($field_sanitized);
     /**
      * Returns the styles
      */
     return self::styles();
 }
 /**
  * Add the control.
  *
  * @param  $arg array
  * @return  void
  */
 public function add_control($args)
 {
     $control_class_name = self::control_class_name($args);
     $this->wp_customize->add_control(new $control_class_name($this->wp_customize, Lessekirki_Field_Sanitize::sanitize_id($args), Lessekirki_Field_Sanitize::sanitize_field($args)));
 }
 /**
  * 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 = Lessekirki_Toolkit::i18n();
     $choices = self::background_choices();
     // Early exit if this is not a background field.
     if ('background' != $field['type']) {
         return;
     }
     // Sanitize field
     $field = Lessekirki_Field_Sanitize::sanitize_field($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')) {
                     $value = Lessekirki_Color::get_rgba($value, $field['default']['opacity']);
                 }
                 $sanitize_callback = array('Lessekirki_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' => Lessekirki_Field_Sanitize::sanitize_id(array('settings' => Lessekirki_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) ? $sanitize_callback : Lessekirki_Field_Sanitize::fallback_callback($type)));
         $i++;
     }
     return $fields;
 }
 public function google_link()
 {
     /**
      * Get the array of fields from the Lessekirki object.
      */
     $fields = Lessekirki::$fields;
     /**
      * Early exit if no fields are found.
      */
     if (empty($fields)) {
         return;
     }
     $fonts = array();
     /**
      * Run a loop for our fields
      */
     foreach ($fields as $field) {
         /**
          * Sanitize the field
          */
         $field = Lessekirki_Field_Sanitize::sanitize_field($field);
         /**
          * No reason to proceed any further if no 'output' has been defined
          * or if it's not defined as an array.
          */
         if (!isset($field['output']) || !is_array($field['output'])) {
             continue;
         }
         /**
          * Run through each of our "output" items in the array separately.
          */
         foreach ($field['output'] as $output) {
             $valid = false;
             /**
              * If the field-type exists and is set to "typography"
              * then we need some extra checks to figure out if we need to proceed.
              */
             if (isset($field['type']) && 'typography' == $field['type']) {
                 if (isset($field['choices']) && isset($field['choices']['font-family']) && $field['choices']['font-family']) {
                     $valid = true;
                 }
             }
             /**
              * Check if the "property" of this item is related to typography.
              */
             if (isset($output['property']) && in_array($output['property'], array('font-family', 'font-weight', 'font-subset'))) {
                 $valid = true;
             }
             /**
              * If the $valid var is not true, then we don't need to proceed.
              * Continue to the next item in the array.
              */
             if (!$valid) {
                 continue;
             }
             /**
              * Get the value of this field
              */
             $value = Lessekirki_Values::get_sanitized_field_value($field);
             /**
              * Typography fields arew a bit more complex than usual fields.
              * We need to get the sub-items of the array
              * and then base our calculations on these.
              */
             if ('typography' == $field['type']) {
                 /**
                  * Add the font-family to the array
                  */
                 if (isset($value['font-family'])) {
                     $fonts[]['font-family'] = $value['font-family'];
                 }
                 /**
                  * Add the font-weight to the array
                  */
                 if (isset($value['font-weight'])) {
                     $fonts[]['font-weight'] = $value['font-weight'];
                 }
             } else {
                 if ('font-family' == $output['property']) {
                     /**
                      * Add the font-family to the array
                      */
                     $fonts[]['font-family'] = $value;
                 } else {
                     if ('font-weight' == $output['property']) {
                         /**
                          * Add font-weight to the array
                          */
                         $fonts[]['font-weight'] = $value;
                     } else {
                         if ('font-subset' == $output['property']) {
                             /**
                              * add font subsets to the array
                              */
                             $fonts[]['subsets'] = $value;
                         }
                     }
                 }
             }
         }
     }
     /**
      * Start going through all the items in the $fonts array.
      */
     foreach ($fonts as $font) {
         /**
          * Do we have font-families?
          */
         if (isset($font['font-family'])) {
             $font_families = !isset($font_families) ? array() : $font_families;
             $font_families[] = $font['font-family'];
             /**
              * Determine if we need to create a google-fonts link or not.
              */
             if (!isset($has_google_font)) {
                 if (Lessekirki_Toolkit::fonts()->is_google_font($font['font-family'])) {
                     $has_google_font = true;
                 }
             }
         }
         /**
          * Do we have font-weights?
          */
         if (isset($font['font-weight'])) {
             $font_weights = !isset($font_weights) ? array() : $font_weights;
             $font_weights[] = $font['font-weight'];
         }
         /**
          * Do we have font-subsets?
          */
         if (isset($font['subsets'])) {
             $font_subsets = !isset($font_subsets) ? array() : $font_subsets;
             $font_subsets[] = $font['subsets'];
         }
     }
     /**
      * Make sure there are no empty values and define some sane defaults.
      */
     $font_families = !isset($font_families) || empty($font_families) ? false : $font_families;
     $font_weights = !isset($font_weights) || empty($font_weights) ? array('400') : $font_weights;
     $font_subsets = !isset($font_subsets) || empty($font_subsets) ? array('all') : $font_subsets;
     /**
      * Get rid of duplicate values
      */
     if (is_array($font_families) && !empty($font_families)) {
         $font_families = array_unique($font_families);
     }
     if (is_array($font_weights) && !empty($font_weights)) {
         $font_weights = array_unique($font_weights);
     }
     if (is_array($font_subsets) && !empty($font_subsets)) {
         $font_subsets = array_unique($font_subsets);
     }
     if (!isset($has_google_font) || !$has_google_font) {
         $font_families = false;
     }
     // Return the font URL.
     return $font_families ? Lessekirki_Toolkit::fonts()->get_google_font_uri($font_families, $font_weights, $font_subsets) : false;
 }