/**
* Return an instance of this class.
*
* @return object A single instance of this class.
*
* @since 1.2
* @version 1.3.7
*
*/
public static function get_instance()
{
// If the single instance hasn't been set, set it now.
if (null == self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Set Font Control Variables
*
* Sets the font control variables that are used throughout the
* admin settings page.
*
* @since 1.2
* @version 1.3.9
*
*/
public function set_font_controls()
{
$this->font_controls = EGF_Posttype::get_all_font_controls();
$this->custom_controls = array();
// Set no control flag
$this->no_controls = $this->font_controls ? false : true;
if (!$this->no_controls) {
$count = 0;
while ($this->font_controls->have_posts()) {
$this->font_controls->the_post();
// Add this control to the $custom_controls array
$id = get_post_meta(get_the_ID(), 'control_id', true);
$this->custom_controls[$id] = get_the_title();
// Set curent control id to the first control
if (0 == $count) {
$this->current_control_id = $id;
$this->first_control = EGF_Posttype::get_font_control($id);
}
$count++;
}
// Restore original Post Data
wp_reset_postdata();
}
// Determine Screen via $_GET['action']
$action = isset($_GET['action']) ? esc_attr($_GET['action']) : false;
// Update current control id if it is passed in the URL
if (isset($_GET['control'])) {
$this->current_control_id = esc_attr($_GET['control']);
}
// The control id of the current control being edited - Note this is a string representation of '0', not an integer
$this->control_selected_id = isset($_GET['control']) ? esc_attr($_GET['control']) : '0';
// Attempt to get a control instance if it exists
$this->control_instance = EGF_Posttype::get_font_control($this->control_selected_id);
// Edit and and no control but has first control
if ('edit' == $action) {
if (!isset($_GET['control']) && $this->first_control) {
$this->control_instance = $this->first_control;
}
}
/**
* Initialise screen action if no action has been set
* in the parameter.
*/
if (!$action) {
if ($this->first_control) {
$this->control_instance = $this->first_control;
$this->control_selected_id = get_post_meta($this->control_instance->ID, 'control_id', true);
}
} elseif ('create' == $action) {
$this->control_selected_id = '0';
}
}
/**
* Delete All Font Control Instances - Ajax Function
*
* Checks WordPress nonce and upon successful validation
* it deletes all control instances from the database.
*
* @since 1.2
* @version 1.3.9
*
*/
function delete_all_control_instances()
{
// Check admin nonce for security
check_ajax_referer('tt_font_delete_control_instance', 'tt_font_delete_control_instance_nonce');
// Make sure user has the required access level
if (!current_user_can('edit_theme_options')) {
wp_die(-1);
}
EGF_Posttype::delete_all_font_controls();
wp_die();
}
/**
* Get Custom Theme Font Option Parameters
*
* This function converts custom controls
* in the admin section to the internal
* font control.
*
* Array that holds parameters for all custom font options in this theme.
* The 'type' key is used to generate the proper form field markup and to
* sanitize the user-input data properly. The 'tab' key determines the
* Settings Page on which the option appears, and the 'section' tab
* determines the section of the Settings Page tab in which the option
* appears.
*
* @uses EGF_Posttype::get_all_font_controls() defined in \includes\class-egf=posttype.php
*
* @return array $options array of arrays of option parameters
*
* @since 1.2
* @version 1.3.8
*
*/
public static function get_custom_option_parameters($options)
{
$query = EGF_Posttype::get_all_font_controls();
$custom_options = array();
if ($query) {
while ($query->have_posts()) {
$query->the_post();
// Extract font control properties
$control_id = get_post_meta(get_the_ID(), 'control_id', true);
$selectors_array = get_post_meta(get_the_ID(), 'control_selectors', true);
$description = get_post_meta(get_the_ID(), 'control_description', true);
$force_styles = get_post_meta(get_the_ID(), 'force_styles', true);
if (empty($force_styles)) {
$force_styles = false;
}
// Build selectors
$selectors = '';
if (!$selectors_array) {
$selectors_array = array();
}
foreach ($selectors_array as $selector) {
$selectors .= $selector . ',';
}
while (substr($selectors, -1) == ',') {
$selectors = rtrim($selectors, ",");
}
// Add control
if ($control_id) {
$custom_options[$control_id] = array('name' => $control_id, 'title' => get_the_title(), 'type' => 'font', 'description' => $description, 'section' => 'default', 'tab' => 'theme-typography', 'transport' => 'postMessage', 'since' => '1.0', 'properties' => array('selector' => $selectors, 'force_styles' => $force_styles));
}
}
//endwhile
// Reset the query globals
wp_reset_postdata();
}
// Parse with defaults
foreach ($custom_options as $id => $control) {
$custom_options[$id] = self::parse_font_control_array($control);
}
return array_merge($options, $custom_options);
}
