WordPress/wp-includes/class-wp-customize-control.php

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<?php
/**
* Customize Control Class
*
* @package WordPress
* @subpackage Customize
* @since 3.4.0
*/
class WP_Customize_Control {
public $manager;
public $id;
public $settings;
public $setting;
public $priority = 10;
public $section = '';
public $label = '';
// @todo: remove choices
public $choices = array();
public $json = array();
public $type = 'text';
/**
* Constructor.
*
* If $args['settings'] is not defined, use the $id as the setting ID.
*
* @since 3.4.0
*/
function __construct( $manager, $id, $args = array() ) {
$keys = array_keys( get_object_vars( $this ) );
foreach ( $keys as $key ) {
if ( isset( $args[ $key ] ) )
$this->$key = $args[ $key ];
}
$this->manager = $manager;
$this->id = $id;
// Process settings.
if ( empty( $this->settings ) )
$this->settings = $id;
$settings = array();
if ( is_array( $this->settings ) ) {
foreach ( $this->settings as $key => $setting ) {
$settings[ $key ] = $this->manager->get_setting( $setting );
}
} else {
$this->setting = $this->manager->get_setting( $this->settings );
$settings['default'] = $this->setting;
}
$this->settings = $settings;
}
/**
* Enqueue control related scripts/styles.
*
* @since 3.4.0
*/
public function enqueue() {
switch( $this->type ) {
case 'color':
wp_enqueue_script( 'farbtastic' );
wp_enqueue_style( 'farbtastic' );
break;
}
}
/**
* Fetch a setting's value.
* Grabs the main setting by default.
*
* @since 3.4.0
*/
public final function value( $setting_key = 'default' ) {
if ( isset( $this->settings[ $setting_key ] ) )
return $this->settings[ $setting_key ]->value();
}
/**
* Refresh the parameters passed to the JavaScript via JSON.
*
* @since 3.4.0
*/
public function to_json() {
$this->json['settings'] = array();
foreach ( $this->settings as $key => $setting ) {
$this->json['settings'][ $key ] = $setting->id;
}
$this->json['type'] = $this->type;
}
/**
* Check if the theme supports the control and check user capabilities.
*
* @since 3.4.0
*
* @return bool False if theme doesn't support the control or user doesn't have the required permissions, otherwise true.
*/
public final function check_capabilities() {
foreach ( $this->settings as $setting ) {
if ( ! $setting->check_capabilities() )
return false;
}
$section = $this->manager->get_section( $this->section );
if ( isset( $section ) && ! $section->check_capabilities() )
return false;
return true;
}
/**
* Check capabilities and render the control.
*
* @since 3.4.0
*/
public final function maybe_render() {
if ( ! $this->check_capabilities() )
return;
do_action( 'customize_render_control', $this );
do_action( 'customize_render_control_' . $this->id, $this );
$this->render();
}
/**
* Render the control. Renders the control wrapper, then calls $this->render_content().
*
* @since 3.4.0
*/
protected function render() {
$id = 'customize-control-' . str_replace( '[', '-', str_replace( ']', '', $this->id ) );
$class = 'customize-control customize-control-' . $this->type;
?><li id="<?php echo esc_attr( $id ); ?>" class="<?php echo esc_attr( $class ); ?>">
<?php $this->render_content(); ?>
</li><?php
}
public function get_link( $setting_key = 'default' ) {
if ( ! isset( $this->settings[ $setting_key ] ) )
return '';
return 'data-customize-setting-link="' . esc_attr( $this->settings[ $setting_key ]->id ) . '"';
}
public function link( $setting_key = 'default' ) {
echo $this->get_link( $setting_key );
}
/**
* Render the control's content.
*
* Allows the content to be overriden without having to rewrite the wrapper.
*
* @since 3.4.0
*/
protected function render_content() {
switch( $this->type ) {
case 'text':
?>
<label>
<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
<input type="text" value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); ?> />
</label>
<?php
break;
case 'color':
?>
<label>
<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
<div class="dropdown color-picker-toggle">
<div class="dropdown-content color-picker-spot"></div>
<div class="dropdown-arrow"></div>
</div>
<div class="color-picker-control color-picker-hex">
<span>#</span>
<input type="text" <?php $this->link(); ?> />
</div>
<div class="color-picker-control farbtastic-placeholder"></div>
</label>
<?php
break;
case 'checkbox':
?>
<label>
<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
<input type="checkbox" value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->link(); checked( $this->value() ); ?> class="customize-control-content" />
</label>
<?php
break;
case 'radio':
if ( empty( $this->choices ) )
return;
$name = '_customize-radio-' . $this->id;
?>
<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
<?php
foreach ( $this->choices as $value => $label ) :
?>
<label>
<input type="radio" value="<?php echo esc_attr( $value ); ?>" name="<?php echo esc_attr( $name ); ?>" <?php $this->link(); checked( $this->value(), $value ); ?> />
<?php echo esc_html( $label ); ?><br/>
</label>
<?php
endforeach;
break;
case 'select':
if ( empty( $this->choices ) )
return;
?>
<label>
<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
<select <?php $this->link(); ?> class="customize-control-content">
<?php
foreach ( $this->choices as $value => $label )
echo '<option value="' . esc_attr( $value ) . '"' . selected( $this->value(), $value, false ) . '>' . $label . '</option>';
?>
</select>
</label>
<?php
break;
case 'dropdown-pages':
$dropdown = wp_dropdown_pages(
array(
'name' => '_customize-dropdown-pages-' . $this->id,
'echo' => 0,
'show_option_none' => __( '&mdash; Select &mdash;' ),
'option_none_value' => '0',
'selected' => $this->value(),
)
);
// Hackily add in the data link parameter.
$dropdown = str_replace( '<select', '<select ' . $this->get_link(), $dropdown );
printf(
'<label class="customize-control-select"><span class="customize-control-title">%s</span> %s</label>',
$this->label,
$dropdown
);
break;
}
}
}
class WP_Customize_Upload_Control extends WP_Customize_Control {
public $type = 'upload';
public $removed = '';
public $context;
public function enqueue() {
wp_enqueue_script( 'wp-plupload' );
}
public function to_json() {
parent::to_json();
$this->json['removed'] = $this->removed;
if ( $this->context )
$this->json['context'] = $this->context;
}
public function render_content() {
?>
<label>
<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
<div>
<a href="#" class="button-secondary upload"><?php _e( 'Upload' ); ?></a>
<a href="#" class="remove"><?php _e( 'Remove' ); ?></a>
</div>
</label>
<?php
}
}
class WP_Customize_Image_Control extends WP_Customize_Upload_Control {
public $type = 'image';
public $get_url;
protected $tabs = array();
public function __construct( $manager, $id, $args ) {
parent::__construct( $manager, $id, $args );
$this->add_tab( 'upload-new', __('Upload New'), array( $this, 'tab_upload_new' ) );
$this->add_tab( 'uploaded', __('Uploaded'), array( $this, 'tab_uploaded' ) );
}
public function render_content() {
$src = $this->value();
if ( isset( $this->get_url ) )
$src = call_user_func( $this->get_url, $src );
?>
<label class="customize-image-picker">
<span class="customize-control-title"><?php echo esc_html( $this->label ); ?></span>
<div class="dropdown preview-thumbnail">
<div class="dropdown-content">
<?php if ( empty( $src ) ): ?>
<img style="display:none;" />
<?php else: ?>
<img src="<?php echo esc_url( $src ); ?>" />
<?php endif; ?>
</div>
<div class="dropdown-arrow"></div>
</div>
<div class="library">
<ul>
<?php foreach ( $this->tabs as $id => $tab ): ?>
<li data-customize-tab='<?php echo esc_attr( $id ); ?>'>
<?php echo esc_html( $tab['label'] ); ?>
</li>
<?php endforeach; ?>
</ul>
<?php foreach ( $this->tabs as $id => $tab ): ?>
<div class="library-content" data-customize-tab='<?php echo esc_attr( $id ); ?>'>
<?php call_user_func( $tab['callback'] ); ?>
</div>
<?php endforeach; ?>
</div>
<div class="actions">
<a href="#" class="remove"><?php _e( 'Remove Image' ); ?></a>
</div>
</label>
<?php
}
public function add_tab( $id, $label, $callback ) {
$this->tabs[ $id ] = array(
'label' => $label,
'callback' => $callback,
);
}
public function remove_tab( $id ) {
unset( $this->tabs[ $id ] );
}
public function tab_upload_new() {
?>
<div class="upload-dropzone">
<?php _e('Drop a file here or <a href="#" class="upload">select a file</a>.'); ?>
</div>
<?php
}
public function tab_uploaded() {
?>
<div class="uploaded-target"></div>
<?php
}
}
class WP_Customize_Header_Image_Control extends WP_Customize_Image_Control {
public function __construct( $manager ) {
parent::__construct( $manager, 'header_image', array(
'label' => __( 'Header Image' ),
'section' => 'header',
'context' => 'custom-header',
'removed' => 'remove-header',
'get_url' => 'get_header_image',
) );
$this->add_tab( 'default', __('Default'), array( $this, 'tab_default_headers' ) );
}
public function tab_uploaded() {
$headers = get_uploaded_header_images();
?><div class="uploaded-target"></div><?php
foreach ( $headers as $header ) : ?>
<a href="#" class="thumbnail" data-customize-image-value="<?php echo esc_url( $header['url'] ); ?>">
<img src="<?php echo esc_url( $header['thumbnail_url'] ); ?>" />
</a>
<?php endforeach;
}
public function tab_default_headers() {
global $custom_image_header;
$custom_image_header->process_default_headers();
foreach ( $custom_image_header->default_headers as $header ) : ?>
<a href="#" class="thumbnail" data-customize-image-value="<?php echo esc_url( $header['url'] ); ?>">
<img src="<?php echo esc_url( $header['thumbnail_url'] ); ?>" />
</a>
<?php endforeach;
}
}