diff --git a/classes/gateways/gateway.class.php b/classes/gateways/gateway.class.php
index b1c8df38d6d..5d4fc167926 100644
--- a/classes/gateways/gateway.class.php
+++ b/classes/gateways/gateway.class.php
@@ -21,6 +21,13 @@ class woocommerce_payment_gateway {
var $icon;
var $description;
+ var $plugin_id = 'woocommerce_';
+ var $settings = array();
+
+ var $form_fields = array();
+ var $errors = array();
+ var $sanitized_fields = array();
+
function is_available() {
if ($this->enabled=="yes") :
@@ -48,4 +55,214 @@ class woocommerce_payment_gateway {
function process_payment() {}
function validate_fields() { return true; }
+
+ function init_form_fields () { return __( 'This function needs to be overridden by your payment gateway class.', 'woothemes' ); }
+
+ /**
+ * Admin Panel Options Processing
+ * - Saves the options to the DB
+ *
+ * @since 1.0.0
+ */
+ public function process_admin_options() {
+ // TO DO: NONCE SECURITY CHECK
+
+ $this->validate_settings_fields();
+
+ if ( count( $this->errors ) > 0 ) {
+ $this->display_errors();
+ } else {
+ update_option( $this->plugin_id . $this->id . '_settings', $this->sanitized_fields );
+ }
+ }
+
+ /**
+ * Display admin error messages.
+ *
+ * @since 1.0.0
+ */
+ function display_errors() {
+ // TO DO - Generate errors HTML.
+ } // End 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()
+ */
+
+ function init_settings () {
+ if ( ! is_array( $this->settings ) ) { return; }
+
+ $settings = array();
+ $existing_settings = get_option( $this->plugin_id . $this->id . '_settings' );
+
+ $defaults = array();
+
+ foreach ( $this->form_fields as $k => $v ) {
+ if ( isset( $v['default'] ) ) {
+ $defaults[$k] = $v['default'];
+ } else {
+ $defaults[$k] = '';
+ }
+ }
+
+ if ( ! $existing_settings ) {
+ $existing_settings = $defaults;
+ } else {
+ // Prevent "undefined index" errors.
+ foreach ( $existing_settings as $k => $v ) {
+ if ( ! isset( $existing_settings[$k] ) ) {
+ $existing_settings[$k] = $v;
+ }
+ }
+ }
+
+ $this->settings = $existing_settings;
+
+ if ( isset( $this->settings['enabled'] ) && ( $this->settings['enabled'] == 'yes' ) ) { $this->enabled = 'yes'; }
+ } // End init_settings()
+
+ /**
+ * Generate Settings HTML.
+ *
+ * Generate the HTML for the fields on the "settings" screen.
+ *
+ * @since 1.0.0
+ * @uses method_exists()
+ */
+
+ function generate_settings_html () {
+ $html = '';
+ foreach ( $this->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;
+ } // End generate_settings_html()
+
+ /**
+ * Generate Text Input HTML.
+ *
+ * @since 1.0.0
+ * @return $html string
+ */
+
+ function generate_text_html ( $key, $data ) {
+ $html = '';
+
+ if ( isset( $data['title'] ) && $data['title'] != '' ) { $title = $data['title']; }
+
+ $html .= '' . "\n";
+ $html .= '| ' . $title . ' | ' . "\n";
+ $html .= '' . "\n";
+ $html .= '';
+ $html .= ' | ' . "\n";
+ $html .= '
' . "\n";
+
+ return $html;
+ } // End generate_checkbox_html()
+
+ /**
+ * Generate Checkbox HTML.
+ *
+ * @since 1.0.0
+ * @return $html string
+ */
+
+ function generate_checkbox_html ( $key, $data ) {
+ $html = '';
+
+ if ( isset( $data['title'] ) && $data['title'] != '' ) { $title = $data['title']; }
+
+ $html .= '' . "\n";
+ $html .= '| ' . $title . ' | ' . "\n";
+ $html .= '' . "\n";
+ $html .= '';
+ $html .= ' | ' . "\n";
+ $html .= '
' . "\n";
+
+ return $html;
+ } // End generate_checkbox_html()
+
+ /**
+ * Validate Settings Field Data.
+ *
+ * Validate the data on the "Settings" form.
+ *
+ * @since 1.0.0
+ * @uses method_exists()
+ */
+
+ function validate_settings_fields () {
+ // TO DO: NONCE SECURITY CHECK
+
+ foreach ( $this->form_fields as $k => $v ) {
+ if ( ! isset( $v['type'] ) || ( $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 );
+ $this->sanitized_fields[$k] = $field;
+ } else {
+ $this->sanitized_fields[$k] = $this->settings[$k];
+ }
+ }
+ } // End validate_settings_fields()
+
+ /**
+ * Validate Checkbox Field.
+ *
+ * If not set, return "no", otherwise return "yes".
+ *
+ * @since 1.0.0
+ * @return $status string
+ */
+
+ function validate_checkbox_field ( $key ) {
+ // TO DO: NONCE SECURITY CHECK
+
+ $status = 'no';
+ if ( isset( $_POST[$this->plugin_id . $this->id . '_' . $key] ) && ( 1 == $_POST[$this->plugin_id . $this->id . '_' . $key] ) ) {
+ $status = 'yes';
+ }
+
+ return $status;
+ } // End validate_checkbox_field()
+
+ /**
+ * Validate Text Field.
+ *
+ * Make sure the data is escaped correctly, etc.
+ *
+ * @since 1.0.0
+ * @return $text string
+ */
+
+ function validate_text_field ( $key ) {
+ // TO DO: NONCE SECURITY CHECK
+ $text = $this->settings[$key];
+
+ if ( isset( $_POST[$this->plugin_id . $this->id . '_' . $key] ) && ( '' != $_POST[$this->plugin_id . $this->id . '_' . $key] ) ) {
+ $text = esc_attr( woocommerce_clean( $_POST[$this->plugin_id . $this->id . '_' . $key] ) );
+ }
+
+ return $text;
+ } // End validate_text_field()
}
\ No newline at end of file