get_base_path() . '/includes/wizard/steps/';
require_once( $path . 'class-iw-step.php' );
$classes = array();
foreach ( glob( $path . 'class-iw-step-*.php' ) as $filename ) {
require_once( $filename );
$regex = '/class-iw-step-(.*?).php/';
preg_match( $regex, $filename, $matches );
$class_name = 'Gravity_Flow_Installation_Wizard_Step_' . str_replace( '-', '_', $matches[1] );
$step = new $class_name;
$step_name = $step->get_name();
$classes[ $step_name ] = $class_name;
}
$sorted = array();
foreach ( $this->get_sorted_step_names() as $sorted_step_name ) {
$sorted[ $sorted_step_name ] = $classes[ $sorted_step_name ];
}
$this->_step_class_names = $sorted;
}
/**
* Returns the step names in the order the steps will appear.
*
* @return array
*/
public function get_sorted_step_names() {
return array(
'welcome',
'license_key',
'updates',
'pages',
'complete',
);
}
/**
* Displays the HTML for the current step.
*
* @return bool
*/
public function display() {
/**
* @var Gravity_Flow_Installation_Wizard_Step $current_step The step being displayed.
* @var string $nonce_key The nonce key for the current step.
*/
list( $current_step, $nonce_key ) = $this->get_current_step();
$this->include_styles();
?>
get_step( $name );
$nonce_key = '_gform_installation_wizard_step_' . $current_step->get_name();
if ( isset( $_POST[ $nonce_key ] ) && check_admin_referer( $nonce_key, $nonce_key ) ) {
if ( rgpost( '_previous' ) ) {
$posted_values = $this->get_posted_values();
$current_step->update( $posted_values );
$previous_step = $this->get_previous_step( $current_step );
if ( $previous_step ) {
$current_step = $previous_step;
}
} elseif ( rgpost( '_next' ) ) {
$posted_values = $this->get_posted_values();
$current_step->update( $posted_values );
$validation_result = $current_step->validate( $posted_values );
if ( $validation_result === true ) {
$next_step = $this->get_next_step( $current_step );
if ( $next_step ) {
$current_step = $next_step;
}
}
} elseif ( rgpost( '_install' ) ) {
$posted_values = $this->get_posted_values();
$current_step->update( $posted_values );
$validation_result = $current_step->validate( $posted_values );
if ( $validation_result === true ) {
$this->complete_installation();
$next_step = $this->get_next_step( $current_step );
if ( $next_step ) {
$current_step = $next_step;
}
}
}
$nonce_key = '_gform_installation_wizard_step_' . $current_step->get_name();
}
return array( $current_step, $nonce_key );
}
/**
* Registers the admin styles and includes the inline style block.
*/
public function include_styles() {
$min = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG || isset( $_GET['gform_debug'] ) ? '' : '.min';
// Register admin styles.
wp_register_style( 'gform_admin', GFCommon::get_base_url() . "/css/admin{$min}.css" );
wp_print_styles( array( 'jquery-ui-styles', 'gform_admin' ) );
?>
_step_class_names );
$name = $class_names[0];
}
$current_step_values = get_option( 'gravityflow_installation_wizard_' . $name );
$step = new $this->_step_class_names[$name]( $current_step_values );
return $step;
}
/**
* Returns the previous step.
*
* @param Gravity_Flow_Installation_Wizard_Step $current_step The current step.
*
* @return bool|Gravity_Flow_Installation_Wizard_Step
*/
public function get_previous_step( $current_step ) {
$current_step_name = $current_step->get_name();
$step_names = array_keys( $this->_step_class_names );
$i = array_search( $current_step_name, $step_names );
if ( $i == 0 ) {
return false;
}
$previous_step_name = $step_names[ $i - 1 ];
return $this->get_step( $previous_step_name );
}
/**
* Returns the next step.
*
* @param Gravity_Flow_Installation_Wizard_Step $current_step The current step.
*
* @return bool|Gravity_Flow_Installation_Wizard_Step
*/
public function get_next_step( $current_step ) {
$current_step_name = $current_step->get_name();
$step_names = array_keys( $this->_step_class_names );
$i = array_search( $current_step_name, $step_names );
if ( $i == count( $step_names ) - 1 ) {
return false;
}
$next_step_name = $step_names[ $i + 1 ];
return $this->get_step( $next_step_name );
}
/**
* Performs the actions to complete the installation such as saving options to the database.
*/
public function complete_installation() {
foreach ( array_keys( $this->_step_class_names ) as $step_name ) {
$step = $this->get_step( $step_name );
$step->install();
$step->flush_values();
}
update_option( 'gravityflow_pending_installation', false );
}
/**
* Returns the posted options.
*
* @return array
*/
public function get_posted_values() {
$posted_values = stripslashes_deep( $_POST );
$values = array();
foreach ( $posted_values as $key => $value ) {
if ( strpos( $key, '_', 0 ) !== 0 ) {
$values[ $key ] = $value;
}
}
return $values;
}
/**
* Returns the HTML markup for the installation progress.
*
* @param Gravity_Flow_Installation_Wizard_Step $current_step The current step.
* @param bool $echo Indicates if the HTML should be echoed.
*
* @return string
*/
public function progress( $current_step, $echo = true ) {
$html = '';
if ( $echo ) {
echo $html;
}
return $html;
}
/**
* Get the index for the current step in the _step_class_names array.
*
* @param Gravity_Flow_Installation_Wizard_Step $step The current step.
*
* @return mixed
*/
public function get_step_index( $step ) {
$i = array_search( $step->get_name(), array_keys( $this->_step_class_names ) );
return $i;
}
/**
* Display the summary.
*/
public function summary() {
?>
Summary
';
$steps = $this->get_steps();
foreach ( $steps as $step ) {
$step_summary = $step->summary( false );
if ( $step_summary ) {
printf( '%s %s ', esc_html( $step->get_title() ), $step_summary );
}
}
echo ' ';
}
/**
* Get an array containing all the steps.
*
* @return Gravity_Flow_Installation_Wizard_Step[]
*/
public function get_steps() {
$steps = array();
foreach ( array_keys( $this->_step_class_names ) as $step_name ) {
$steps[] = $this->get_step( $step_name );
}
return $steps;
}
/**
* Flush the values for all steps.
*/
public function flush_values() {
$steps = $this->get_steps();
foreach ( $steps as $step ) {
$step->flush_values();
}
}
}