woocommerce/classes/class-wc-settings-api.php

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<?php
/**
* Admin Settings API used by Shipping Methods and Payment Gateways
*
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* @class WC_Settings_API
* @version 1.6.4
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* @package WooCommerce/Classes
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* @author WooThemes
*/
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class WC_Settings_API {
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/** @var string The plugin ID. Used for option names. */
var $plugin_id = 'woocommerce_';
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/** @var array Array of setting values. */
var $settings = array();
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/** @var array Array of form option fields. */
var $form_fields = array();
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/** @var array Array of validation errors. */
var $errors = array();
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/** @var array Sanitized fields after validation. */
var $sanitized_fields = array();
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/**
* Admin Options
*
* Setup the gateway settings screen.
* Override this in your gateway.
*
* @since 1.0.0
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* @access public
* @return void
*/
function admin_options() { ?>
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<h3><?php echo ( ! empty( $this->method_title ) ) ? $this->method_title : __( 'Settings','woocommerce' ) ; ?></h3>
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<?php echo ( ! empty( $this->method_description ) ) ? wpautop( $this->method_description ) : ''; ?>
<table class="form-table">
<?php $this->generate_settings_html(); ?>
</table><?php
}
/**
* Initialise Settings Form Fields
*
* Add an array of fields to be displayed
* on the gateway's settings screen.
*
* @since 1.0.0
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* @access public
* @return string
*/
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function init_form_fields() {
return __( 'This function needs to be overridden by your payment gateway class.', 'woocommerce' );
}
/**
* Admin Panel Options Processing
* - Saves the options to the DB
*
* @since 1.0.0
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* @access public
* @return bool
*/
public function process_admin_options() {
$this->validate_settings_fields();
if ( count( $this->errors ) > 0 ) {
$this->display_errors();
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return false;
} else {
update_option( $this->plugin_id . $this->id . '_settings', $this->sanitized_fields );
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return true;
}
}
/**
* Display admin error messages.
*
* @since 1.0.0
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* @access public
* @return void
*/
function display_errors() {}
/**
* Initialise Gateway Settings
*
* Store all settings in a single database entry
* and make sure the $settings array is either the default
* or the settings stored in the database.
*
* @since 1.0.0
* @uses get_option(), add_option()
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* @access public
* @return void
*/
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function init_settings() {
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// Load form_field settings
if ( $this->form_fields ) {
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$form_field_settings = ( array ) get_option( $this->plugin_id . $this->id . '_settings' );
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if ( ! $form_field_settings ) {
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// If there are no settings defined, load defaults
foreach ( $this->form_fields as $k => $v )
$form_field_settings[ $k ] = isset( $v['default'] ) ? $v['default'] : '';
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} else {
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// Prevent "undefined index" errors.
foreach ( $this->form_fields as $k => $v )
$form_field_settings[ $k ] = isset( $form_field_settings[ $k ] ) ? $form_field_settings[ $k ] : ( isset( $v['default'] ) ? $v['default'] : '' );
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}
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// Set and decode escaped values
$this->settings = array_map( array( &$this, 'format_settings' ), $form_field_settings );
}
if ( isset( $this->settings['enabled'] ) && ( $this->settings['enabled'] == 'yes' ) )
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$this->enabled = 'yes';
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}
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/**
* Decode values for settings.
*
* @access public
* @param mixed $value
* @return array
*/
function format_settings( $value ) {
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return ( is_array( $value ) ) ? $value : html_entity_decode( $value );
}
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/**
* Generate Settings HTML.
*
* Generate the HTML for the fields on the "settings" screen.
*
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* @access public
* @param bool $form_fields (default: false)
* @since 1.0.0
* @uses method_exists()
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* @access public
* @return string the html for the settings
*/
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function generate_settings_html ( $form_fields = false ) {
if ( ! $form_fields )
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$form_fields = $this->form_fields;
$html = '';
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foreach ( $form_fields as $k => $v ) {
if ( ! isset( $v['type'] ) || ( $v['type'] == '' ) ) { $v['type'] == 'text'; } // Default to "text" field type.
if ( method_exists( $this, 'generate_' . $v['type'] . '_html' ) ) {
$html .= $this->{'generate_' . $v['type'] . '_html'}( $k, $v );
}
}
echo $html;
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}
/**
* Generate Text Input HTML.
*
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* @access public
* @param mixed $key
* @param mixed $data
* @since 1.0.0
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* @return string
*/
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function generate_text_html( $key, $data ) {
$html = '';
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if ( isset( $data['title'] ) && $data['title'] != '' ) $title = $data['title']; else $title = '';
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$data['class'] = (isset( $data['class'] )) ? $data['class'] : '';
$data['css'] = (isset( $data['css'] )) ? $data['css'] : '';
$data['placeholder'] = (isset( $data['placeholder'] )) ? $data['placeholder'] : '';
$html .= '<tr valign="top">' . "\n";
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$html .= '<th scope="row" class="titledesc">';
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$html .= '<label for="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '">' . wp_kses_post( $title ) . '</label>';
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$html .= '</th>' . "\n";
$html .= '<td class="forminp">' . "\n";
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$html .= '<fieldset><legend class="screen-reader-text"><span>' . wp_kses_post( $title ) . '</span></legend>' . "\n";
$value = ( isset( $this->settings[ $key ] ) ) ? esc_attr( $this->settings[ $key ] ) : '';
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$html .= '<input class="input-text regular-input ' . esc_attr( $data['class'] ) . '" type="text" name="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '" id="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '" style="' . esc_attr( $data['css'] ) . '" value="' . $value . '" placeholder="' . esc_attr( $data['placeholder'] ) . '" />';
if ( isset( $data['description'] ) && $data['description'] != '' ) { $html .= ' <p class="description">' . wp_kses_post( $data['description'] ) . '</p>' . "\n"; }
$html .= '</fieldset>';
$html .= '</td>' . "\n";
$html .= '</tr>' . "\n";
return $html;
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}
/**
* Generate Password Input HTML.
*
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* @access public
* @param mixed $key
* @param mixed $data
* @since 1.0.0
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* @return string
*/
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function generate_password_html( $key, $data ) {
$html = '';
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if ( isset( $data['title'] ) && $data['title'] != '' ) $title = $data['title']; else $title = '';
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$data['class'] = (isset( $data['class'] )) ? $data['class'] : '';
$data['css'] = (isset( $data['css'] )) ? $data['css'] : '';
$html .= '<tr valign="top">' . "\n";
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$html .= '<th scope="row" class="titledesc">';
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$html .= '<label for="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '">' . wp_kses_post( $title ) . '</label>';
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$html .= '</th>' . "\n";
$html .= '<td class="forminp">' . "\n";
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$html .= '<fieldset><legend class="screen-reader-text"><span>' . wp_kses_post( $title ) . '</span></legend>' . "\n";
$value = ( isset( $this->settings[ $key ] ) ) ? esc_attr( $this->settings[ $key ] ) : '';
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$html .= '<input class="input-text regular-input ' . esc_attr( $data['class'] ) . '" type="password" name="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '" id="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '" style="' . esc_attr( $data['css'] ) . '" value="' . $value . '" />';
if ( isset( $data['description'] ) && $data['description'] != '' ) { $html .= ' <p class="description">' . esc_attr( $data['description'] ) . '</p>' . "\n"; }
$html .= '</fieldset>';
$html .= '</td>' . "\n";
$html .= '</tr>' . "\n";
return $html;
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}
/**
* Generate Textarea HTML.
*
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* @access public
* @param mixed $key
* @param mixed $data
* @since 1.0.0
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* @return string
*/
function generate_textarea_html( $key, $data ) {
$html = '';
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if ( isset( $data['title'] ) && $data['title'] != '' ) $title = $data['title']; else $title = '';
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if ( ! isset( $this->settings[$key] ) ) $this->settings[$key] = '';
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$data['class'] = (isset( $data['class'] )) ? $data['class'] : '';
$data['css'] = (isset( $data['css'] )) ? $data['css'] : '';
$html .= '<tr valign="top">' . "\n";
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$html .= '<th scope="row" class="titledesc">';
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$html .= '<label for="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '">' . wp_kses_post( $title ) . '</label>';
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$html .= '</th>' . "\n";
$html .= '<td class="forminp">' . "\n";
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$html .= '<fieldset><legend class="screen-reader-text"><span>' . wp_kses_post( $title ) . '</span></legend>' . "\n";
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$value = ( isset( $this->settings[ $key ] ) ) ? esc_textarea( $this->settings[ $key ] ) : '';
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$html .= '<textarea rows="3" cols="20" class="input-text wide-input ' . esc_attr( $data['class'] ) . '" name="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '" id="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '" style="' . esc_attr( $data['css'] ) . '">'. $value .'</textarea>';
if ( isset( $data['description'] ) && $data['description'] != '' ) { $html .= ' <p class="description">' . wp_kses_post( $data['description'] ) . '</p>' . "\n"; }
$html .= '</fieldset>';
$html .= '</td>' . "\n";
$html .= '</tr>' . "\n";
return $html;
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}
/**
* Generate Checkbox HTML.
*
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* @access public
* @param mixed $key
* @param mixed $data
* @since 1.0.0
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* @return string
*/
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function generate_checkbox_html( $key, $data ) {
$html = '';
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if ( isset( $data['title'] ) && $data['title'] != '' ) $title = $data['title']; else $title = '';
if ( isset( $data['label'] ) && $data['label'] != '' ) $label = $data['label']; else $label = $data['title'];
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$data['class'] = (isset( $data['class'] )) ? $data['class'] : '';
$data['css'] = (isset( $data['css'] )) ? $data['css'] : '';
$html .= '<tr valign="top">' . "\n";
$html .= '<th scope="row" class="titledesc">' . $title . '</th>' . "\n";
$html .= '<td class="forminp">' . "\n";
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$html .= '<fieldset><legend class="screen-reader-text"><span>' . wp_kses_post( $title ) . '</span></legend>' . "\n";
$html .= '<label for="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '">';
$html .= '<input style="' . esc_attr( $data['css'] ) . '" name="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '" id="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '" type="checkbox" value="1" ' . checked( $this->settings[$key], 'yes', false ) . ' class="' . esc_attr( $data['class'] ).'" /> ' . wp_kses_post( $label ) . '</label><br />' . "\n";
if ( isset( $data['description'] ) && $data['description'] != '' ) { $html .= ' <p class="description">' . wp_kses_post( $data['description'] ) . '</p>' . "\n"; }
$html .= '</fieldset>';
$html .= '</td>' . "\n";
$html .= '</tr>' . "\n";
return $html;
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}
/**
* Generate Select HTML.
*
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* @access public
* @param mixed $key
* @param mixed $data
* @since 1.0.0
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* @return string
*/
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function generate_select_html( $key, $data ) {
$html = '';
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if ( isset( $data['title'] ) && $data['title'] != '' ) $title = $data['title']; else $title = '';
$data['options'] = (isset( $data['options'] )) ? (array) $data['options'] : array();
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$data['class'] = (isset( $data['class'] )) ? $data['class'] : '';
$data['css'] = (isset( $data['css'] )) ? $data['css'] : '';
$html .= '<tr valign="top">' . "\n";
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$html .= '<th scope="row" class="titledesc">';
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$html .= '<label for="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '">' . wp_kses_post( $title ) . '</label>';
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$html .= '</th>' . "\n";
$html .= '<td class="forminp">' . "\n";
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$html .= '<fieldset><legend class="screen-reader-text"><span>' . wp_kses_post( $title ) . '</span></legend>' . "\n";
$html .= '<select name="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '" id="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '" style="' . esc_attr( $data['css'] ) . '" class="select ' .esc_attr( $data['class'] ) . '">';
foreach ($data['options'] as $option_key => $option_value) :
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$html .= '<option value="' . esc_attr( $option_key ) . '" '.selected($option_key, esc_attr($this->settings[$key]), false).'>' . esc_attr( $option_value ) . '</option>';
endforeach;
$html .= '</select>';
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if ( isset( $data['description'] ) && $data['description'] != '' ) { $html .= ' <p class="description">' . wp_kses_post( $data['description'] ) . '</p>' . "\n"; }
$html .= '</fieldset>';
$html .= '</td>' . "\n";
$html .= '</tr>' . "\n";
return $html;
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}
/**
* Generate Multiselect HTML.
*
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* @access public
* @param mixed $key
* @param mixed $data
* @since 1.0.0
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* @return string
*/
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function generate_multiselect_html( $key, $data ) {
$html = '';
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if ( isset( $data['title'] ) && $data['title'] != '' ) $title = $data['title']; else $title = '';
$data['options'] = (isset( $data['options'] )) ? (array) $data['options'] : array();
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$data['class'] = (isset( $data['class'] )) ? $data['class'] : '';
$data['css'] = (isset( $data['css'] )) ? $data['css'] : '';
$html .= '<tr valign="top">' . "\n";
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$html .= '<th scope="row" class="titledesc">';
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$html .= '<label for="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '">' . wp_kses_post( $title ) . '</label>';
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$html .= '</th>' . "\n";
$html .= '<td class="forminp">' . "\n";
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$html .= '<fieldset><legend class="screen-reader-text"><span>' . wp_kses_post( $title ) . '</span></legend>' . "\n";
$html .= '<select multiple="multiple" style="' . esc_attr( $data['css'] ) . '" class="multiselect ' . esc_attr( $data['class'] ) . '" name="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '[]" id="' . esc_attr( $this->plugin_id . $this->id . '_' . $key ) . '">';
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foreach ( $data['options'] as $option_key => $option_value) {
$html .= '<option value="' . esc_attr( $option_key ) . '" ';
if ( isset( $this->settings[ $key ] ) && in_array( $option_key, (array) $this->settings[ $key ] ) ) $html .= 'selected="selected"';
$html .= '>' . esc_attr( $option_value ) . '</option>';
}
$html .= '</select>';
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if ( isset( $data['description'] ) && $data['description'] != '' ) { $html .= '<p class="description">' . wp_kses_post( $data['description'] ) . '</p>' . "\n"; }
$html .= '</fieldset>';
$html .= '</td>' . "\n";
$html .= '</tr>' . "\n";
return $html;
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}
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/**
* Generate Title HTML.
*
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* @access public
* @param mixed $key
* @param mixed $data
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* @since 1.6.2
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* @return string
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*/
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function generate_title_html( $key, $data ) {
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$html = '';
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if ( isset( $data['title'] ) && $data['title'] != '' ) $title = $data['title']; else $title = '';
$data['class'] = (isset( $data['class'] )) ? $data['class'] : '';
$data['css'] = (isset( $data['css'] )) ? $data['css'] : '';
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$html .= '</table>' . "\n";
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$html .= '<h4 class="' . esc_attr( $data['class'] ) . '">' . wp_kses_post( $data['title'] ) . '</h4>' . "\n";
if ( isset( $data['description'] ) && $data['description'] != '' ) { $html .= '<p>' . wp_kses_post( $data['description'] ) . '</p>' . "\n"; }
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$html .= '<table class="form-table">' . "\n";
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return $html;
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}
/**
* Validate Settings Field Data.
*
* Validate the data on the "Settings" form.
*
* @since 1.0.0
* @uses method_exists()
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* @param bool $form_fields (default: false)
* @return void
*/
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function validate_settings_fields( $form_fields = false ) {
if ( ! $form_fields )
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$form_fields = $this->form_fields;
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$this->sanitized_fields = array();
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foreach ( $form_fields as $k => $v ) {
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if ( empty( $v['type'] ) )
$v['type'] == 'text'; // Default to "text" field type.
if ( method_exists( $this, 'validate_' . $v['type'] . '_field' ) ) {
$field = $this->{'validate_' . $v['type'] . '_field'}( $k );
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$this->sanitized_fields[ $k ] = $field;
} else {
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$this->sanitized_fields[ $k ] = $this->settings[ $k ];
}
}
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}
/**
* Validate Checkbox Field.
*
* If not set, return "no", otherwise return "yes".
*
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* @access public
* @param mixed $key
* @since 1.0.0
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* @return string
*/
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function validate_checkbox_field( $key ) {
$status = 'no';
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if ( isset( $_POST[ $this->plugin_id . $this->id . '_' . $key ] ) && ( 1 == $_POST[ $this->plugin_id . $this->id . '_' . $key ] ) ) {
$status = 'yes';
}
return $status;
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}
/**
* Validate Text Field.
*
* Make sure the data is escaped correctly, etc.
*
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* @access public
* @param mixed $key
* @since 1.0.0
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* @return string
*/
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function validate_text_field( $key ) {
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$text = ( isset( $this->settings[ $key ] ) ) ? $this->settings[ $key ] : '';
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if ( isset( $_POST[ $this->plugin_id . $this->id . '_' . $key ] ) ) {
$text = esc_attr( trim( stripslashes( $_POST[ $this->plugin_id . $this->id . '_' . $key ] ) ) );
}
return $text;
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}
/**
* Validate Password Field.
*
* Make sure the data is escaped correctly, etc.
*
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* @access public
* @param mixed $key
* @since 1.0.0
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* @return string
*/
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function validate_password_field( $key ) {
$text = (isset($this->settings[$key])) ? $this->settings[$key] : '';
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if ( isset( $_POST[ $this->plugin_id . $this->id . '_' . $key ] ) ) {
$text = esc_attr( woocommerce_clean( $_POST[ $this->plugin_id . $this->id . '_' . $key ] ) );
}
return $text;
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}
/**
* Validate Textarea Field.
*
* Make sure the data is escaped correctly, etc.
*
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* @access public
* @param mixed $key
* @since 1.0.0
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* @return string
*/
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function validate_textarea_field( $key ) {
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$text = ( isset( $this->settings[ $key ] ) ) ? $this->settings[ $key ] : '';
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if ( isset( $_POST[ $this->plugin_id . $this->id . '_' . $key ] ) ) {
$text = esc_attr( trim( stripslashes( $_POST[ $this->plugin_id . $this->id . '_' . $key ] ) ) );
}
return $text;
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}
/**
* Validate Select Field.
*
* Make sure the data is escaped correctly, etc.
*
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* @access public
* @param mixed $key
* @since 1.0.0
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* @return string
*/
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function validate_select_field( $key ) {
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$value = ( isset( $this->settings[ $key ] ) ) ? $this->settings[ $key ] : '';
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if ( isset( $_POST[ $this->plugin_id . $this->id . '_' . $key ] ) ) {
$value = esc_attr( woocommerce_clean( $_POST[ $this->plugin_id . $this->id . '_' . $key ] ) );
}
return $value;
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}
/**
* Validate Multiselect Field.
*
* Make sure the data is escaped correctly, etc.
*
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* @access public
* @param mixed $key
* @since 1.0.0
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* @return string
*/
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function validate_multiselect_field( $key ) {
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$value = ( isset( $this->settings[ $key ] ) ) ? $this->settings[ $key ] : '';
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if ( isset( $_POST[ $this->plugin_id . $this->id . '_' . $key ] ) ) {
$value = array_map('esc_attr', array_map('woocommerce_clean', (array) $_POST[ $this->plugin_id . $this->id . '_' . $key ] ));
} else {
$value = '';
}
return $value;
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}
}