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<?php defined( 'ABSPATH' ) OR die( 'This script cannot be accessed directly.' );
require US_CORE_DIR . 'usof/functions/fallback.php';
if ( is_admin() ) {
if ( ! defined( 'DOING_AJAX' ) OR ! DOING_AJAX ) {
// Front-end interface
require US_CORE_DIR . 'usof/functions/interface.php';
require US_CORE_DIR . 'usof/functions/meta-box.php';
require US_CORE_DIR . 'usof/functions/menu-dropdown.php';
} elseif ( ( isset( $_POST['action'] ) AND substr( $_POST['action'], 0, 5 ) == 'usof_' ) OR ( isset( $_GET['action'] ) AND substr( $_GET['action'], 0, 5 ) == 'usof_' ) ) {
// Ajax methods
require US_CORE_DIR . 'usof/functions/ajax.php';
require US_CORE_DIR . 'usof/functions/ajax-menu-dropdown.php';
}
}
/**
* Get theme option or return default value
*
* @param string $name
* @param mixed $default_value
*
* @return mixed
*/
function usof_get_option( $name, $default_value = NULL ) {
global $usof_options;
usof_load_options_once();
if ( $default_value === NULL ) {
$default_value = usof_defaults( $name );
}
$value = isset( $usof_options[ $name ] ) ? $usof_options[ $name ] : $default_value;
return apply_filters( 'usof_get_option_' . $name, $value );
}
/**
* Get default value for a certain USOF field
* @param array $field
* @return mixed
*/
function usof_get_default( &$field ) {
$no_values_types = array(
'backup',
'heading',
'message',
'transfer',
'wrapper_start',
'wrapper_end',
);
$selectable_types = array(
'imgradio',
'radio',
'select',
'style_scheme',
);
if ( ! isset( $field['type'] ) OR in_array( $field['type'], $no_values_types ) ) {
return NULL;
}
// Using first value as standard for selectable types
if ( ! isset( $field['std'] ) AND in_array( $field['type'], $selectable_types ) ) {
if ( ! empty( $field['options'] ) AND is_array( $field['options'] ) ) {
$field['std'] = key( $field['options'] );
reset( $field['options'] );
}
}
return isset( $field['std'] ) ? $field['std'] : '';
}
/**
* Get default values
*
* @param string $key If set, retreive only one default value
*
* @return mixed Array of values or a single value if the $key is specified
*/
function usof_defaults( $key = NULL ) {
$config = us_config( 'theme-options' );
$values = array();
foreach ( $config as &$section ) {
if ( ! isset( $section['fields'] ) ) {
continue;
}
foreach ( $section['fields'] as $field_id => &$field ) {
if ( $key !== NULL AND $field_id != $key ) {
continue;
}
if ( isset( $values[ $field_id ] ) ) {
continue;
}
if ( isset( $field['type'] ) AND $field['type'] == 'style_scheme' ) {
$options = array_keys( us_config( 'color-schemes' ) );
if ( empty( $options ) ) {
continue;
}
$field['std'] = isset( $field['std'] ) ? $field['std'] : $options[0];
// If theme has default style scheme, it's values will be used as standard as well
$values = array_merge( $values, us_config( 'color-schemes.' . $field['std'] . '.values' ) );
}
$default_value = usof_get_default( $field );
if ( $default_value !== NULL ) {
$values[ $field_id ] = $default_value;
}
}
}
if ( $key !== NULL ) {
return isset( $values[ $key ] ) ? $values[ $key ] : NULL;
}
return $values;
}
/**
* If the options were not loaded, load them
*/
function usof_load_options_once( $force_reload = FALSE ) {
global $usof_options;
if ( isset( $usof_options ) AND ! $force_reload ) {
return;
}
if ( ! defined( 'US_THEMENAME' ) ) {
return;
}
$usof_options = get_option( 'usof_options_' . US_THEMENAME );
if ( $usof_options === FALSE ) {
// Trying to fetch the old good SMOF options
$usof_options = get_option( US_THEMENAME . '_options' );
if ( $usof_options !== FALSE ) {
// Disabling the old options autoload
update_option( US_THEMENAME . '_options', $usof_options, FALSE );
} else {
// Not defined yet, using default values
$usof_options = usof_defaults();
}
update_option( 'usof_options_' . US_THEMENAME, $usof_options, TRUE );
}
$usof_options = apply_filters( 'usof_load_options_once', $usof_options );
}
/**
* Save current usof options values from global $usof_options variable to database
*
* @param array $updated_options Array of the new options values
*/
function usof_save_options( $updated_options ) {
if ( ! is_array( $updated_options ) OR empty( $updated_options ) ) {
return;
}
global $usof_options;
usof_load_options_once();
do_action( 'usof_before_save', $updated_options );
$usof_options = has_filter( 'usof_updated_options' )
? apply_filters( 'usof_updated_options', $updated_options )
: $updated_options;
update_option( 'usof_options_' . US_THEMENAME, $usof_options, TRUE );
do_action( 'usof_after_save', $updated_options );
}
/**
* Save a backup with current usof options values
*/
if ( ! function_exists( 'usof_backup' ) ) {
function usof_backup() {
global $usof_options;
usof_load_options_once();
$backup = array(
'time' => current_time( 'mysql', TRUE ),
'usof_options' => $usof_options,
);
update_option( 'usof_backup_' . US_THEMENAME, $backup, FALSE );
}
}
/**
* Get uploaded image from USOF field value
*
* @param string $value Upload field value in "123|full" format
*
* @return array [url, width, height]
*/
function usof_get_image_src( $value, $size = NULL ) {
if ( preg_match( '~^(\d+)(\|(.+))?$~', $value, $matches ) ) {
// Image size
if ( $size == NULL ) {
$matches[3] = empty( $matches[3] ) ? 'full' : $matches[3];
} else {
$matches[3] = $size;
}
$result = wp_get_attachment_image_src( $matches[1], $matches[3] );
if ( is_array( $result ) AND count( $result ) > 2 AND preg_match( '~\.svg$~', $result[0] ) ) {
// SVG images have no specific dimensions
$result[1] = $result[2] = '';
}
} else {
$value = str_replace( '[site_url]', site_url(), $value );
$result = array( $value, '', '' );
}
return $result;
}
/**
* Checks if the showing condition is true
*
* Note: at any possible syntax error we choose to show the field so it will be functional anyway.
*
* @param array $condition Showing condition
* @param array $values Current values
*
* @return bool
*/
function usof_execute_show_if( $condition, &$values = NULL ) {
if ( ! is_array( $condition ) OR count( $condition ) < 3 ) {
// Wrong condition
$result = TRUE;
} elseif ( in_array( strtolower( $condition[1] ), array( 'and', 'or' ) ) ) {
// Complex or / and statement
$result = usof_execute_show_if( $condition[0], $values );
$index = 2;
while ( isset( $condition[ $index ] ) ) {
$condition[ $index - 1 ] = strtolower( $condition[ $index - 1 ] );
if ( $condition[ $index - 1 ] == 'and' ) {
$result = ( $result AND usof_execute_show_if( $condition[ $index ], $values ) );
} elseif ( $condition[ $index - 1 ] == 'or' ) {
$result = ( $result OR usof_execute_show_if( $condition[ $index ], $values ) );
}
$index = $index + 2;
}
} else {
if ( ! isset( $values[ $condition[0] ] ) ) {
if ( $condition[1] == '=' AND ( ! in_array( $condition[2], array( 0, '', FALSE, NULL ) ) ) ) {
return FALSE;
} elseif ( $condition[1] == '!=' AND in_array( $condition[2], array( 0, '', FALSE, NULL ) ) ) {
return FALSE;
} else {
return TRUE;
}
}
$value = $values[ $condition[0] ];
if ( $condition[1] == '=' ) {
if ( is_array( $condition[2] ) ) {
$result = ( in_array( $value, $condition[2] ) );
} else {
$result = ( $value == $condition[2] );
}
} elseif ( $condition[1] == '!=' ) {
if ( is_array( $condition[2] ) ) {
$result = ( ! in_array( $value, $condition[2] ) );
} else {
$result = ( $value != $condition[2] );
}
} elseif ( $condition[1] == 'has' ) {
$result = ( ! is_array( $value ) OR in_array( $condition[2], $value ) );
} elseif ( $condition[1] == '<=' ) {
$result = ( $value <= $condition[2] );
} elseif ( $condition[1] == '<' ) {
$result = ( $value < $condition[2] );
} elseif ( $condition[1] == '>' ) {
$result = ( $value > $condition[2] );
} elseif ( $condition[1] == '>=' ) {
$result = ( $value >= $condition[2] );
} else {
$result = TRUE;
}
}
return $result;
}
/**
* Output preview for color scheme used by ajax and style_scheme
*
* @param array $scheme
*
* @return string
*/
function usof_color_scheme_preview( $scheme ) {
if ( empty( $scheme ) ) {
return '';
}
$values = us_arr_path( $scheme, 'values', array() );
$preview = '<div class="usof-scheme-preview">';
// Header
$preview .= '<div class="preview_header" style="background:' . us_get_color( $values['color_header_middle_bg'], /* Gradient */ TRUE ) . ';"></div>';
// Content
$preview .= '<div class="preview_content" style="background:' . us_get_color( $values['color_content_bg'], /* Gradient */ TRUE ) . ';">';
// Heading
$preview .= '<div class="preview_heading" style="color:' . us_get_color( $values['color_content_heading'] ) . ';">' . trim( esc_html( $scheme['title'] ) ) . '</div>';
// Text
$preview .= '<div class="preview_text" style="color:' . us_get_color( $values['color_content_text'] ) . ';">';
$preview .= 'Lorem ipsum dolor sit amet, <span style="color:' . us_get_color( $values['color_content_link'] ) . ';">consectetur</span> adipiscing elit. Maecenas arcu lectus, sollicitudin dictum dapibus sit amet.';
$preview .= '</div>';
// Primary
$preview .= '<div class="preview_primary" style="background:' . us_get_color( $values['color_content_primary'], /* Gradient */ TRUE ) . ';"></div>';
// Secondary
$preview .= '<div class="preview_secondary" style="background:' . us_get_color( $values['color_content_secondary'], /* Gradient */ TRUE ) . ';"></div>';
$preview .= '</div>';
// Footer
$preview .= '<div class="preview_footer" style="background:' . us_get_color( $values['color_footer_bg'], /* Gradient */ TRUE ) . ';"></div>';
$preview .= '</div>';
return $preview;
}
/**
* Color picker with palette
*/
if ( ! function_exists( 'usof_color_picker' ) ) {
add_action( 'admin_footer', 'usof_color_picker' );
function usof_color_picker() {
$palette = defined( 'US_THEMENAME' ) ? get_option( 'usof_color_palette_' . US_THEMENAME ) : array();
if ( ! is_array( $palette ) ) {
$palette = array();
}
$output = '<div class="usof-colpick type_solid usof-colpick-template">';
// Palette colors
$output .= '<div class="usof-colpick-palette">';
// Fill empty palette with predefined colors
if ( empty( $palette ) ) {
global $usof_options;
$predefined_colors = array(
$usof_options['color_content_primary'],
$usof_options['color_content_secondary'],
$usof_options['color_content_heading'],
$usof_options['color_content_text'],
$usof_options['color_content_faded'],
$usof_options['color_content_border'],
$usof_options['color_content_bg_alt'],
$usof_options['color_content_bg'],
);
if ( defined( 'US_THEMENAME' ) ) {
update_option( 'usof_color_palette_' . US_THEMENAME, $predefined_colors );
}
}
foreach ( $palette as $color ) {
$output .= '<div class="usof-colpick-palette-value">';
$output .= '<span style="background:' . $color . '" title="' . esc_attr( $color ) . '"></span>';
$output .= '<div class="usof-colpick-palette-delete" title="' . us_translate( 'Delete' ) . '"></div>';
$output .= '</div>';
}
$output .= '<div class="usof-colpick-palette-add" title="' . __( 'Add the current color to the palette', 'us' ) . '"></div>';
$output .= '</div>';
// Radio buttons: Solid / Gradient
$output .= '<ul class="usof-radio-list">';
$output .= '<li class="usof-radio">';
$output .= '<input name="usof-colpick-type" id="usof-colpick-solid" type="radio" value="solid">';
$output .= '<label for="usof-colpick-solid">' . _x( 'Solid', 'color type', 'us' ) . '</label>';
$output .= '</li>';
$output .= '<li class="usof-radio">';
$output .= '<input name="usof-colpick-type" id="usof-colpick-gradient" type="radio" value="gradient">';
$output .= '<label for="usof-colpick-gradient">' . _x( 'Gradient', 'color type', 'us' ) . '</label>';
$output .= '</li>';
$output .= '</ul>';
// Angle slider
$output .= '<div class="usof-colpick-angle">';
$output .= __( 'Angle', 'us' );
$output .= '<div class="usof-colpick-angle-selector"></div>';
$output .= '</div>';
// First color picker
$output .= '<div class="usof-colpick-wrap first">';
$output .= '<div class="usof-colpick-color"><div class="usof-colpick-color-selector"></div></div>';
$output .= '<div class="usof-colpick-hue"><div class="usof-colpick-hue-selector"></div></div>';
$output .= '<div class="usof-colpick-alpha"><div class="usof-colpick-alpha-selector"></div></div>';
$output .= '</div>';
// Second color picker
$output .= '<div class="usof-colpick-wrap second">';
$output .= '<div class="usof-colpick-color"><div class="usof-colpick-color-selector"></div></div>';
$output .= '<div class="usof-colpick-hue"><div class="usof-colpick-hue-selector"></div></div>';
$output .= '<div class="usof-colpick-alpha"><div class="usof-colpick-alpha-selector"></div></div>';
$output .= '</div>';
$output .= '</div>';
echo $output;
}
}