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<?php
/**
* Google Maps
*
* @package Church_Theme_Content
* @subpackage Admin
* @copyright Copyright (c) 2016 - 2017, churchthemes.com
* @link https://github.com/churchthemes/church-theme-content
* @license GPLv2 or later
* @since 1.7
*/
// No direct access
if ( ! defined( 'ABSPATH' ) ) exit;
/**********************************
* HELPERS
**********************************/
/**
* Google Map types array
*
* @since 0.9
* @return array Google Maps API map types
*/
function ctc_gmaps_types() {
$types = array(
'ROADMAP' => esc_html_x( 'Road', 'map', 'church-theme-content' ),
'SATELLITE' => esc_html_x( 'Satellite', 'map', 'church-theme-content' ),
'HYBRID' => esc_html_x( 'Hybrid', 'map', 'church-theme-content' ),
'TERRAIN' => esc_html_x( 'Terrain', 'map', 'church-theme-content' ),
);
return apply_filters( 'ctc_gmaps_types', $types );
}
/**
* Google Map type default
*
* @since 0.9
* @return string Default map type
*/
function ctc_gmaps_type_default() {
return apply_filters( 'ctc_gmaps_type_default', 'HYBRID' );
}
/**
* Zoom levels array
*
* @since 0.9
* @return array Valid Google Maps zoom levels
*/
function ctc_gmaps_zoom_levels() {
$zoom_levels = array();
$zoom_min = ctc_gmaps_zoom_min(); // 0 is actually lowest but then it's detected as not set and reverts to default
$zoom_max = ctc_gmaps_zoom_max();
for ( $z = $zoom_min; $z <= $zoom_max; $z++ ) {
$zoom_levels[$z] = $z;
}
return apply_filters( 'ctc_gmaps_zoom_levels', $zoom_levels );
}
/**
* Zoom maximum
*
* @since 1.7.1
* @return int Google Maps zoom max
*/
function ctc_gmaps_zoom_max() {
return apply_filters( 'ctc_gmaps_zoom_max', 21 );
}
/**
* Zoom minimum
*
* @since 0.9
* @return int Default Google Maps zoom level
*/
function ctc_gmaps_zoom_min() {
return apply_filters( 'ctc_gmaps_zoom_min', 1 );
}
/**
* Zoom level default
*
* @since 0.9
* @return int Default Google Maps zoom level
*/
function ctc_gmaps_zoom_level_default() {
return apply_filters( 'ctc_gmaps_zoom_level_default', 14 );
}
/**********************************
* CONDITIONS
**********************************/
/**
* Adding/editing event/location with longitude and latitude fields support?
*
* @since 1.7.1
* @return bool True if conditions met
*/
function ctc_has_lat_lng_fields() {
// Get current screen
$screen = get_current_screen();
// Only on Add/Edit Location or Event
if ( ! ( $screen->base == 'post' && in_array( $screen->post_type, array( 'ctc_event', 'ctc_location' ) ) ) ) {
return false;
}
// Only if has latitude and longitude fields supported
if (
( 'ctc_event' == $screen->post_type && ( ! ctc_field_supported( 'events', '_ctc_event_map_lat' ) || ! ctc_field_supported( 'events', '_ctc_event_map_lng' ) ) )
|| ( 'ctc_location' == $screen->post_type && ( ! ctc_field_supported( 'locations', '_ctc_location_map_lat' ) || ! ctc_field_supported( 'locations', '_ctc_location_map_lng' ) ) )
) {
return false;
}
return true;
}
/**********************************
* API KEY NOTICE
**********************************/
/**
* Show missing Google Maps API Key notice
*
* The notice should only be shown if certain conditions are met.
*
* @since 1.7
* @return bool True if notice should be shown
*/
function ctc_gmaps_api_key_show_notice() {
$show = true;
// Get current screen
$screen = get_current_screen();
// Only on Add/Edit Location or Event
if ( ! ( $screen->base == 'post' && in_array( $screen->post_type, array( 'ctc_event', 'ctc_location' ) ) ) ) {
$show = false;
}
// Only if user can edit plugin settings
if ( ! current_user_can( 'manage_options' ) ) {
return;
}
// Only if latitude and longitude fields supported
if ( ! ctc_has_lat_lng_fields() ) {
return;
}
// Only if key not set
if ( ctc_setting( 'google_maps_api_key' ) ) {
$show = false;
}
// Only if not already dismissed
if ( get_option( 'ctc_gmaps_api_key_notice_dismissed' ) ) {
$show = false;
}
return $show;
}
/**
* Show notice if Google Maps API Key missing
*
* This will show only on Add/Edit event or location screen if key is not set and user has permission to set it.
*
* @since 1.7
*/
function ctc_gmaps_api_key_notice() {
// Only on Add/Edit Location or Event, key is not set, not already dismissed and latitude/longitude fields supported
if ( ! ctc_gmaps_api_key_show_notice() ) {
return;
}
// Show notice
?>
<div id="ctc-gmaps-api-key-notice" class="notice notice-warning is-dismissible">
<p>
<?php
printf(
wp_kses(
/* translators: %1$s is URL for plugin settings */
__( '<strong>Google Maps API Key Not Set.</strong> You must set it in <a href="%1$s">Church Content Settings</a> for maps to work.', 'church-theme-content' ),
array(
'strong' => array(),
'a' => array(
'href' => array(),
'target' => array(),
),
)
),
admin_url( 'options-general.php?page=' . CTC_DIR )
);
?>
</p>
</div>
<?php
}
add_action( 'admin_notices', 'ctc_gmaps_api_key_notice' );
/**
* JavaScript for remembering Google Maps API Key missing notice was dismissed
*
* The dismiss button only closes notice for current page view.
* This uses AJAX to set an option so that the notice can be hidden indefinitely.
*
* @since 1.7
*/
function ctc_gmaps_api_key_dismiss_notice_js() {
// Only on Add/Edit Location or Event, key is not set, not already dismissed and latitude/longitude fields supported
if ( ! ctc_gmaps_api_key_show_notice() ) {
return;
}
// Nonce
$ajax_nonce = wp_create_nonce( 'ctc_gmaps_api_key_dismiss_notice' );
// JavaScript for detecting click on dismiss button
?>
<script type="text/javascript">
jQuery( document ).ready( function( $ ) {
$( document ).on( 'click', '#ctc-gmaps-api-key-notice .notice-dismiss', function() {
$.ajax( {
url: ajaxurl,
data: {
action: 'ctc_gmaps_api_key_dismiss_notice',
security: '<?php echo esc_js( $ajax_nonce ); ?>',
},
} );
} );
} );
</script>
<?php
}
add_action( 'admin_print_footer_scripts', 'ctc_gmaps_api_key_dismiss_notice_js' );
/**
* Set option to prevent notice from showing again
*
* This is called by AJAX in ctc_gmaps_api_key_dismiss_notice_js()
*
* @since 1.7
*/
function ctc_gmaps_api_key_dismiss_notice() {
// Only if is AJAX request
if ( ! ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) {
return;
}
// Check nonce
check_ajax_referer( 'ctc_gmaps_api_key_dismiss_notice', 'security' );
// Only if user is privileged to use screen notice shown on and can edit plugin settings
if ( ! ( current_user_can( 'edit_posts' ) && current_user_can( 'manage_options' ) ) ) {
return;
}
// Update option so notice is not shown again
update_option( 'ctc_gmaps_api_key_notice_dismissed', '1' );
}
add_action( 'wp_ajax_ctc_gmaps_api_key_dismiss_notice', 'ctc_gmaps_api_key_dismiss_notice' );
/**********************************
* MAP AFTER FIELDS
**********************************/
// These functions facilitate a map below related fields when editing a location or event
/**
* Add map container after related fields
*
* User can click "Get From Address" to plot marker and autofill latitude/longitude.
* They can also click on map to adjust latitude/longitude if geocoding is imperfect.
*
* @since 1.7.1
* @param object $object CT Meta Box object
*/
function ctc_map_after_fields( $object ) {
// Only on event or location's meta box having map fields
if ( ! in_array( $object->meta_box['id'], array( 'ctc_event_location', 'ctc_location' ) ) ) {
return;
}
// Only if latitude and longitude fields supported
if ( ! ctc_has_lat_lng_fields() ) {
return;
}
// Only if entered API Key
// This will prevent confusion for new users (which require a key)
// It will help old users (not requiring a key) set one up to ensure things remain smooth
if ( ctc_setting( 'google_maps_api_key' ) ) {
// Output map elements
?>
<div id="ctc-map-after-fields-container">
<div id="ctc-map-after-fields"></div>
<p id="ctc-map-after-fields-description" class="description">
<?php esc_html_e( 'You may click the map to adjust your location (it is draggable and can be double-clicked to zoom).', 'church-theme-content' ); ?>
</p>
</div>
<?php
// Show message if no API key
} else {
?>
<p class="description">
<?php
echo wp_kses(
sprintf(
/* translators: %1$s is URL for plugin settings */
__( 'Set your <a href="%1$s" target="_blank">Google Maps API Key</a> to show a map preview here.', 'church-theme-content' ),
admin_url( 'options-general.php?page=' . CTC_DIR )
),
array(
'a' => array(
'href' => array(),
'target' => array(),
),
)
);
?>
</p>
<?php
}
}
add_action( 'ctmb_after_fields', 'ctc_map_after_fields' );
/**
* Add "Get From Address" button after latitude for geocoding via the map
*
* Used with CT Meta Box's custom_field in Event and Location latitude/longitude fields.
* Replaces standard text field. <input> is same but with the button on end.
*
* @since 1.6
*/
function ctc_coordinate_field( $data ) {
// Get current screen
$screen = get_current_screen();
// Text input from CT Meta Box
$input = '<input type="text" ' . $data['common_atts'] . ' id="' . $data['esc_element_id'] . '" value="' . $data['esc_value'] . '" />';
// Only if address field supported
if (
( 'ctc_event' == $screen->post_type && ! ctc_field_supported( 'events', '_ctc_event_address' ) )
|| ( 'ctc_location' == $screen->post_type && ! ctc_field_supported( 'locations', '_ctc_location_address' ) )
) {
return $input;
}
// Only if latitude and longitude fields supported
if ( ! ctc_has_lat_lng_fields() ) {
return $input;
}
// Append aufofill button
$input .= ' <input type="button" value="' . esc_attr_x( 'Get From Address', 'coordinate button', 'church-theme-content' ) . '" id="ctc-get-coordinates-button" class="button">';
// Return input with button
return $input;
}
add_action( 'admin_init', 'ctc_hide_theme_support_notice' ); // before admin_notices