message = array();
$this->messages = array();
//Admin Init Hook
add_action('admin_init', array($this, 'init'));
//WordPress Admin interface hook
add_action('admin_menu', array($this, 'add_page'));
//Installation Script hook
add_action('activate_' . $this->plugin_basename, array($this, 'install'));
//Initilizes l10n domain
$this->local();
add_action('wp_loaded', array($this, 'wp_loaded'));
$this->form = new form($this->unique_prefix);
//Register Help Output
//add_action('add_screen_help_and_options', array($this, 'help'));
}
function wp_loaded()
{
//Filter our allowed html tags
$this->allowed_html = apply_filters($this->unique_prefix . '_allowed_html', wp_kses_allowed_html('post'));
}
/**
* Returns the internal mtekk_admin_class version
*/
function get_admin_class_version()
{
return adminKit::version;
}
/**
* Checks if the administrator has the access capability, and adds it if they don't
*/
function add_cap()
{
$role = get_role('administrator');
if($role instanceof \WP_Role && !$role->has_cap($this->access_level))
{
$role->add_cap($this->access_level);
}
}
/**
* Return the URL of the settings page for the plugin
*/
function admin_url()
{
return admin_url('options-general.php?page=' . $this->identifier);
}
/**
* A wrapper for nonced_anchor returns a nonced anchor for admin pages
*
* @param string $mode The nonce "mode", a unique string at the end of the standardized nonce identifier
* @param string $title (optional) The text to use in the title portion of the anchor
* @param string $text (optional) The text that will be surrounded by the anchor tags
* @return string the assembled anchor
*/
function admin_anchor($mode, $title = '', $text = '')
{
return $this->nonced_anchor($this->admin_url(), 'admin_' . $mode, 'true', $title, $text);
}
/**
* Returns a properly formed nonced anchor to the specified URI
*
* @param string $uri The URI that the anchor should be for
* @param string $mode The nonce "mode", a unique string at the end of the standardized nonce identifier
* @param mixed $value (optional) The value to place in the query string
* @param string $title (optional) The text to use in the title portion of the anchor
* @param string $text (optional) The text that will be surrounded by the anchor tags
* @param string $anchor_extras (optional) This text is placed within the opening anchor tag, good for adding id, classe, rel field
* @return string the assembled anchor
*/
function nonced_anchor($uri, $mode, $value = 'true', $title = '', $text = '', $anchor_extras = '')
{
//Assemble our url, nonce and all
$url = wp_nonce_url(add_query_arg($this->unique_prefix . '_' . $mode, $value, $uri), $this->unique_prefix . '_' . $mode);
//Return a valid anchor
return ' ' . esc_html($text) . '';
}
/**
* Abstracts the check_admin_referer so that all the end user has to supply is the mode
*
* @param string $mode The specific nonce "mode" (see nonced_anchor) that is being checked
*/
function check_nonce($mode)
{
check_admin_referer($this->unique_prefix . '_' . $mode);
}
/**
* Makes sure the current user can manage options to proceed
*/
function security()
{
//If the user can not manage options we will die on them
if(!current_user_can($this->access_level))
{
wp_die(__('Insufficient privileges to proceed.', $this->identifier));
}
}
function init()
{
$this->add_cap();
//Admin Options reset hook
if(isset($_POST[$this->unique_prefix . '_admin_reset']))
{
//Run the reset function on init if reset form has been submitted
$this->opts_reset();
}
//Admin Settings export hook
else if(isset($_POST[$this->unique_prefix . '_admin_settings_export']))
{
//Run the export function on init if export form has been submitted
$this->settings_export();
}
//Admin Settings import hook
else if(isset($_POST[$this->unique_prefix . '_admin_settings_import']) && isset($_FILES[$this->unique_prefix . '_admin_import_file']) && !empty($_FILES[$this->unique_prefix . '_admin_import_file']['name']))
{
//Run the import function on init if import form has been submitted
$this->settings_import();
}
//Admin Options rollback hook
else if(isset($_GET[$this->unique_prefix . '_admin_undo']))
{
//Run the rollback function on init if undo button has been pressed
$this->opts_undo();
}
//Admin Options upgrade hook
else if(isset($_GET[$this->unique_prefix . '_admin_upgrade']))
{
//Run the upgrade function on init if upgrade button has been pressed
$this->opts_upgrade_wrapper();
}
//Admin Options fix hook
else if(isset($_GET[$this->unique_prefix . '_admin_fix']))
{
//Run the options fix function on init if fix button has been pressed
$this->opts_upgrade_wrapper();
}
//Admin Options update hook
else if(isset($_POST[$this->unique_prefix . '_admin_options']))
{
//Temporarily add update function on init if form has been submitted
$this->opts_update();
}
//Add in the nice "settings" link to the plugins page
add_filter('plugin_action_links', array($this, 'filter_plugin_actions'), 10, 2);
if(defined('SCRIPT_DEBUG') && SCRIPT_DEBUG)
{
$suffix = '';
}
else
{
$suffix = '.min';
}
//Register JS for more permanently dismissing messages
wp_register_script('mtekk_adminkit_messages', plugins_url('/mtekk_adminkit_messages' . $suffix . '.js', dirname(__FILE__) . '/assets/mtekk_adminkit_messages' . $suffix . '.js'), array('jquery'), self::version, true);
//Register JS for enable/disable settings groups
wp_register_script('mtekk_adminkit_engroups', plugins_url('/mtekk_adminkit_engroups' . $suffix . '.js', dirname(__FILE__) . '/assets/mtekk_adminkit_engroups' . $suffix . '.js'), array('jquery'), self::version, true);
//Register JS for tabs
wp_register_script('mtekk_adminkit_tabs', plugins_url('/mtekk_adminkit_tabs' . $suffix . '.js', dirname(__FILE__) . '/assets/mtekk_adminkit_tabs' . $suffix . '.js'), array('jquery-ui-tabs'), self::version, true);
//Register CSS for tabs
wp_register_style('mtekk_adminkit_tabs', plugins_url('/mtekk_adminkit_tabs' . $suffix . '.css', dirname(__FILE__) . '/assets/mtekk_adminkit_tabs' . $suffix . '.css'));
//Register options
register_setting($this->unique_prefix . '_options', $this->unique_prefix . '_options', '');
//Synchronize up our settings with the database as we're done modifying them now
$this->opt = $this::parse_args($this->get_option($this->unique_prefix . '_options'), $this->opt);
add_action('wp_ajax_mtekk_admin_message_dismiss', array($this, 'dismiss_message'));
}
/**
* Adds the adminpage the menu and the nice little settings link
* TODO: make this more generic for easier extension
*/
function add_page()
{
//Add the submenu page to "settings" menu
$hookname = add_submenu_page('options-general.php', $this->full_name, $this->short_name, $this->access_level, $this->identifier, array($this, 'admin_page'));
// check capability of user to manage options (access control)
if(current_user_can($this->access_level))
{
//Register admin_head-$hookname callback
add_action('admin_head-' . $hookname, array($this, 'admin_head'));
//Register admin_print_styles-$hookname callback
add_action('admin_print_styles-' . $hookname, array($this, 'admin_styles'));
//Register admin_print_scripts-$hookname callback
add_action('admin_print_scripts-' . $hookname, array($this, 'admin_scripts'));
//Register Help Output
add_action('load-' . $hookname, array($this, 'help'));
}
}
/**
* Initilizes localization textdomain for translations (if applicable)
*
* Will conditionally load the textdomain for translations. This is here for
* plugins that span multiple files and have localization in more than one file
*
* @return void
*/
function local()
{
global $l10n;
// the global and the check might become obsolete in
// further wordpress versions
// @see https://core.trac.wordpress.org/ticket/10527
if(!isset($l10n[$this->identifier]))
{
load_plugin_textdomain($this->identifier, false, $this->identifier . '/languages');
}
}
/**
* Places in a link to the settings page in the plugins listing entry
*
* @param array $links An array of links that are output in the listing
* @param string $file The file that is currently in processing
* @return array Array of links that are output in the listing.
*/
function filter_plugin_actions($links, $file)
{
//Make sure we are adding only for the current plugin
if($file == $this->plugin_basename)
{
//Add our link to the end of the array to better integrate into the WP 2.8 plugins page
$links[] = '' . esc_html__('Settings') . '';
}
return $links;
}
/**
* Checks to see if the plugin has been fully installed
*
* @return bool whether or not the plugin has been installed
*/
function is_installed()
{
$opts = $this->get_option($this->unique_prefix . '_options');
return is_array($opts);
}
/**
* This sets up and upgrades the database settings, runs on every activation
*
* FIXME: seems there is a lot of very similar code in opts_upgrade_wrapper
*/
function install()
{
//Call our little security function
$this->security();
//Try retrieving the options from the database
$opts = $this->get_option($this->unique_prefix . '_options');
//If there are no settings, copy over the default settings
if(!is_array($opts))
{
//Add the options, we only store differences from defaults now, so start with blank array
$this->add_option($this->unique_prefix . '_options', array());
$this->add_option($this->unique_prefix . '_options_bk', array(), '', false);
//Add the version, no need to autoload the db version
$this->update_option($this->unique_prefix . '_version', $this::version, false);
}
else
{
//Retrieve the database version
$db_version = $this->get_option($this->unique_prefix . '_version');
if($this::version !== $db_version)
{
//Run the settings update script
$this->opts_upgrade($opts, $db_version);
//Always have to update the version
$this->update_option($this->unique_prefix . '_version', $this::version, false);
//Store the options
$this->update_option($this->unique_prefix . '_options', $this->opt, true);
}
}
}
/**
* This removes database settings upon deletion of the plugin from WordPress
*/
function uninstall()
{
//Remove the option array setting
$this->delete_option($this->unique_prefix . '_options');
//Remove the option backup array setting
$this->delete_option($this->unique_prefix . '_options_bk');
//Remove the version setting
$this->delete_option($this->unique_prefix . '_version');
}
/**
* Compares the supplided version with the internal version, places an upgrade warning if there is a missmatch
* TODO: change this to being auto called in admin_init action
*/
function version_check($version)
{
//If we didn't get a version, setup
if($version === false)
{
//Add the version, no need to autoload the db version
$this->add_option($this->unique_prefix . '_version', $this::version, '', 'no');
}
//Do a quick version check
if($version && version_compare($version, $this::version, '<') && is_array($this->opt))
{
//Throw an error since the DB version is out of date
$this->messages[] = new message(esc_html__('Your settings are for an older version of this plugin and need to be migrated.', $this->identifier)
. $this->admin_anchor('upgrade', __('Migrate the settings now.', $this->identifier), __('Migrate now.', $this->identifier)), 'warning');
//Output any messages that there may be
$this->messages();
return false;
}
//Do a quick version check
else if($version && version_compare($version, $this::version, '>') && is_array($this->opt))
{
//Let the user know that their settings are for a newer version
$this->messages[] = new message(esc_html__('Your settings are for a newer version of this plugin.', $this->identifier)
. $this->admin_anchor('upgrade', __('Migrate the settings now.', $this->identifier), __('Attempt back migration now.', $this->identifier)), 'warning');
//Output any messages that there may be
$this->messages();
return true;
}
else if(!is_array($this->settings))
{
//Throw an error since it appears the options were never registered
$this->messages[] = new message(esc_html__('Your plugin install is incomplete.', $this->identifier)
. $this->admin_anchor('upgrade', __('Load default settings now.', $this->identifier), __('Complete now.', $this->identifier)), 'error');
//Output any messages that there may be
$this->messages();
return false;
}
else if(!$this->settings_validate($this->settings))
{
//Throw an error since it appears the options contain invalid data
$this->messages[] = new message(esc_html__('One or more of your plugin settings are invalid.', $this->identifier)
. $this->admin_anchor('fix', __('Attempt to fix settings now.', $this->identifier), __('Fix now.', $this->identifier)), 'error');
//Output any messages that there may be
$this->messages();
return false;
}
return true;
}
/**
* Run through all of the settings, check if the value matches the validated value
*
* @param array $settings The settings array
* @return boolean
*/
function settings_validate(array &$settings)
{
foreach($settings as $setting)
{
if(is_array($setting))
{
if(!$this->settings_validate($setting))
{
return false;
}
}
else if($setting instanceof setting && $setting->get_value() !== $setting->validate($setting->get_value()))
{
return false;
}
}
return true;
}
/**
* Synchronizes the backup options entry with the current options entry
*/
function opts_backup()
{
//Set the backup options in the DB to the current options
$this->update_option($this->unique_prefix . '_options_bk', $this->get_option($this->unique_prefix . '_options'), false);
}
/**
* The new, simpler settings update loop, handles the new settings array and replaces the old opts_update_loop
*
* @param array $settings
* @param array $input
* @param bool $bool_ignore_missing
*/
protected function settings_update_loop(&$settings, $input, $bool_ignore_missing = false)
{
foreach($settings as $key => $setting)
{
if(is_array($setting))
{
if(isset($input[$key]))
{
$this->settings_update_loop($settings[$key], $input[$key]);
}
}
else if($setting instanceof setting)
{
$setting->maybe_update_from_form_input($input, $bool_ignore_missing);
}
}
}
/**
* A better version of parse_args, will recrusivly follow arrays
*
* @param mixed $args The arguments to be parsed
* @param mixed $defaults (optional) The default values to validate against
* @return mixed
*/
static function parse_args($args, $defaults = '')
{
if(is_object($args))
{
$r = get_object_vars($args);
}
else if(is_array($args))
{
$r =& $args;
}
else
{
wp_parse_str($args, $r);
}
if(is_array($defaults))
{
return adminKit::array_merge_recursive($defaults, $r);
}
return $r;
}
/**
* An alternate version of array_merge_recursive, less flexible
* still recursive, ~2x faster than the more flexible version
*
* @param array $arg1 first array
* @param array $arg2 second array to merge into $arg1
* @return array
*/
static function array_merge_recursive($arg1, $arg2)
{
foreach($arg2 as $key => $value)
{
if(array_key_exists($key, $arg1) && is_array($value))
{
$arg1[$key] = adminKit::array_merge_recursive($arg1[$key], $value);
}
else
{
$arg1[$key] = $value;
}
}
return $arg1;
}
/**
* Extracts settings values to form opts array, for old options compatibility
*
* @param array $settings The settings array
* @return array
*/
static function settings_to_opts($settings)
{
$opts = array();
foreach ($settings as $key => $setting)
{
if(is_array($setting))
{
$opts[$key] = adminKit::settings_to_opts($setting);
}
else if($setting instanceof setting)
{
$opts[$key] = $setting->get_value();
}
}
return $opts;
}
/**
* Loop through the settings and applying opts values if found
*
* @param array $opts The opts array
*/
function load_opts_into_settings($opts)
{
foreach($opts as $key => $value)
{
if(isset($this->settings[$key]) && $this->settings[$key] instanceof setting)
{
$this->settings[$key]->set_value($this->settings[$key]->validate($value));
}
else if(isset($this->settings[$key]) && is_array($this->settings[$key]) && is_array($value))
{
foreach($value as $subkey => $subvalue)
{
if(isset($this->settings[$key][$subkey]) && $this->settings[$key][$subkey]instanceof setting)
{
$this->settings[$key][$subkey]->set_value($this->settings[$key][$subkey]->validate($subvalue));
}
}
}
}
}
/**
* Compares two settings by name and value to see if they are equal
*
* @param \mtekk\adminKit\setting\setting $a
* @param \mtekk\adminKit\setting\setting $b
* @return number
*/
function setting_equal_check($a, $b)
{
if(is_array($a) || is_array($b))
{
foreach($a as $key=>$value)
{
if($value instanceof setting && isset($b[$key]) && $b[$key] instanceof setting)
{
return $this->setting_equal_check($value, $b[$key]);
}
else
{
return -1;
}
}
return -1;
}
if($a instanceof setting && $b instanceof setting)
{
if($a->get_name() === $b->get_name() && $a->get_value() === $b->get_value())
{
return 0;
}
else if($a->get_name() === $b->get_name() && $a->get_value() > $b->get_value())
{
return 1;
}
}
return -1;
}
static function setting_cloner($setting)
{
if(is_array($setting))
{
return array_map('mtekk\adminKit\adminKit::setting_cloner', $setting);
}
if($setting instanceof setting)
{
return clone $setting;
}
}
/**
* Generates array of the new non-default settings based off of form input
*
* @param array $input The form input array of setting values
* @param bool $bool_ignore_missing Tell maybe_update_from_form_input to not treat missing bool setting entries as setting to false
* @return array The diff array of adminkit settings
*/
private function get_settings_diff($input, $bool_ignore_missing = false)
{
//Backup default settings
//Must clone the defaults since PHP normally shallow copies
$default_settings = array_map('mtekk\adminKit\adminKit::setting_cloner', $this->settings);
//Run the update loop
$this->settings_update_loop($this->settings, $input, $bool_ignore_missing);
//Calculate diff
$new_settings = apply_filters($this->unique_prefix . '_opts_update_to_save', array_udiff_assoc($this->settings, $default_settings, array($this, 'setting_equal_check')));
//Return the new settings
return $new_settings;
}
/**
* Updates the database settings from the webform
*
* The general flow of data is:
* 1) Establish default values
* 2) Merge in updates from webform
* 3) Compute difference between defaults and results of #3
* 4) Save to database the difference generated in #4
*/
function opts_update()
{
//Do some security related thigns as we are not using the normal WP settings API
$this->security();
//Do a nonce check, prevent malicious link/form problems
check_admin_referer($this->unique_prefix . '_options-options');
//Update local options from database
$this->opt = adminKit::parse_args($this->get_option($this->unique_prefix . '_options'), $this->opt);
$this->opt = apply_filters($this->unique_prefix . '_opts_update_prebk', $this->opt);
//Update our backup options
$this->update_option($this->unique_prefix . '_options_bk', $this->opt, false);
$opt_prev = $this->opt;
//Grab our incomming array (the data is dirty)
$input = $_POST[$this->unique_prefix . '_options'];
//Run through the loop and get the diff from detauls
$new_settings = $this->get_settings_diff($input);
//FIXME: Eventually we'll save the object array, but not today
//Convert to opts array for saving
$this->opt = adminKit::settings_to_opts($new_settings);
//Commit the option changes
$updated = $this->update_option($this->unique_prefix . '_options', $this->opt, true);
//Check if known settings match attempted save
if($updated && count(array_diff_key($input, $this->settings)) == 0)
{
//Let the user know everything went ok
$this->messages[] = new message(esc_html__('Settings successfully saved.', $this->identifier)
. $this->admin_anchor('undo', __('Undo the options save.', $this->identifier), __('Undo', $this->identifier)), 'success');
}
else if(!$updated && count(array_diff_key($opt_prev, $this->settings)) == 0)
{
$this->messages[] = new message(esc_html__('Settings did not change, nothing to save.', $this->identifier), 'info');
}
else if(!$updated)
{
$this->messages[] = new message(esc_html__('Settings were not saved.', $this->identifier), 'error');
}
else
{
//Let the user know the following were not saved
$this->messages[] = new message(esc_html__('Some settings were not saved.', $this->identifier)
. $this->admin_anchor('undo', __('Undo the options save.', $this->identifier), __('Undo', $this->identifier)), 'warning');
$temp = esc_html__('The following settings were not saved:', $this->identifier);
foreach(array_diff_key($input, $this->settings) as $setting => $value)
{
$temp .= ' ' . $setting;
}
$this->messages[] = new message($temp . ' ' . sprintf(esc_html__('Please include this message in your %sbug report%s.', $this->identifier), '', ''), 'info');
}
add_action('admin_notices', array($this, 'messages'));
}
/**
* Retrieves the settings from database and exports as JSON
*/
function settings_export()
{
//Do a nonce check, prevent malicious link/form problems
check_admin_referer($this->unique_prefix . '_admin_import_export');
//Must clone the defaults since PHP normally shallow copies
$default_settings = array_map('mtekk\adminKit\adminKit::setting_cloner', $this->settings);
//Get the database options, and load
//FIXME: This changes once we save settings to the db instead of opts
$this->load_opts_into_settings($this->get_option($this->unique_prefix . '_options'));
//Get the unique settings
$export_settings = apply_filters($this->unique_prefix . '_settings_to_export', array_udiff_assoc($this->settings, $default_settings, array($this, 'setting_equal_check')));
//Change our headder to application/json for direct save
header('Cache-Control: public');
//The next two will cause good browsers to download instead of displaying the file
header('Content-Description: File Transfer');
header('Content-disposition: attachemnt; filename=' . $this->unique_prefix . '_settings.json');
header('Content-Type: application/json');
//JSON encode our settings array
$output = json_encode(
(object)array(
'plugin' => $this->short_name,
'version' => $this::version,
'settings' => $export_settings)
, JSON_UNESCAPED_SLASHES, 32);
//Let the browser know how long the file is
header('Content-Length: ' . strlen($output)); // binary length
//Output the file
echo $output;
//Prevent WordPress from continuing on
die();
}
/**
* Imports JSON settings into database
*/
function settings_import()
{
//Do a nonce check, prevent malicious link/form problems
check_admin_referer($this->unique_prefix . '_admin_import_export');
//Set the backup options in the DB to the current options
$this->opts_backup();
//Load the user uploaded file, handle failure gracefully
if(is_uploaded_file($_FILES[$this->unique_prefix . '_admin_import_file']['tmp_name']))
{
//Grab the json settings from the temp file, treat as associative array so we can just throw the settings subfield at the update loop
$settings_upload = json_decode(file_get_contents($_FILES[$this->unique_prefix . '_admin_import_file']['tmp_name']), true);
//Only continue if we have a JSON object that is for this plugin (the the WP rest_is_object() function is handy here as the REST API passes JSON)
if(rest_is_object($settings_upload) && isset($settings_upload['plugin']) && $settings_upload['plugin'] === $this->short_name)
{
//Act as if the JSON file was just a bunch of POST entries for a settings save
//Run through the loop and get the diff from detauls
$new_settings = $this->get_settings_diff($settings_upload['settings'], true);
//FIXME: Eventually we'll save the object array, but not today
//Convert to opts array for saving
$this->opt = adminKit::settings_to_opts($new_settings);
//Run opts through update script
//Make sure we safely import and upgrade settings if needed
$this->opts_upgrade($this->opt, $settings_upload['version']);
//Commit the option changes
$updated = $this->update_option($this->unique_prefix . '_options', $this->opt, true);
//Check if known settings match attempted save
if($updated && count(array_diff_key($settings_upload['settings'], $this->settings)) == 0)
{
//Let the user know everything went ok
$this->messages[] = new message(esc_html__('Settings successfully imported from the uploaded file.', $this->identifier)
. $this->admin_anchor('undo', __('Undo the options import.', $this->identifier), __('Undo', $this->identifier)), 'success');
}
else
{
$this->messages[] = new message(esc_html__('No settings were imported. Settings from uploaded file matched existing settings.', $this->identifier), 'info');
}
//Output any messages that there may be
add_action('admin_notices', array($this, 'messages'));
//And return as we're successful
return;
}
//If it wasn't JSON, try XML
else
{
return $this->opts_import();
}
}
//Throw an error since we could not load the file for various reasons
$this->messages[] = new message(esc_html__('Importing settings from file failed.', $this->identifier), 'error');
}
/**
* Exports a XML options document
*/
function opts_export()
{
//Do a nonce check, prevent malicious link/form problems
check_admin_referer($this->unique_prefix . '_admin_import_export');
//Update our internal settings
$this->opt = $this->get_option($this->unique_prefix . '_options');
//Create a DOM document
$dom = new \DOMDocument('1.0', 'UTF-8');
//Adds in newlines and tabs to the output
$dom->formatOutput = true;
//We're not using a DTD therefore we need to specify it as a standalone document
$dom->xmlStandalone = true;
//Add an element called options
$node = $dom->createElement('options');
$parnode = $dom->appendChild($node);
//Add a child element named plugin
$node = $dom->createElement('plugin');
$plugnode = $parnode->appendChild($node);
//Add some attributes that identify the plugin and version for the options export
$plugnode->setAttribute('name', $this->short_name);
$plugnode->setAttribute('version', $this::version);
//Change our headder to text/xml for direct save
header('Cache-Control: public');
//The next two will cause good browsers to download instead of displaying the file
header('Content-Description: File Transfer');
header('Content-disposition: attachemnt; filename=' . $this->unique_prefix . '_settings.xml');
header('Content-Type: text/xml');
//Loop through the options array
foreach($this->opt as $key=>$option)
{
if(is_array($option))
{
continue;
}
//Add a option tag under the options tag, store the option value
$node = $dom->createElement('option', htmlentities($option, ENT_COMPAT | ENT_XML1, 'UTF-8'));
$newnode = $plugnode->appendChild($node);
//Change the tag's name to that of the stored option
$newnode->setAttribute('name', $key);
}
//Prepair the XML for output
$output = $dom->saveXML();
//Let the browser know how long the file is
header('Content-Length: ' . strlen($output)); // binary length
//Output the file
echo $output;
//Prevent WordPress from continuing on
die();
}
/**
* Imports a XML options document
*/
function opts_import()
{
//Our quick and dirty error supressor
$error_handler = function($errno, $errstr, $eerfile, $errline, $errcontext)
{
return true;
};
//Do a nonce check, prevent malicious link/form problems
check_admin_referer($this->unique_prefix . '_admin_import_export');
//Set the backup options in the DB to the current options
$this->opts_backup();
//Create a DOM document
$dom = new \DOMDocument('1.0', 'UTF-8');
//We want to catch errors ourselves
set_error_handler($error_handler);
//Load the user uploaded file, handle failure gracefully
if(is_uploaded_file($_FILES[$this->unique_prefix . '_admin_import_file']['tmp_name']) && $dom->load($_FILES[$this->unique_prefix . '_admin_import_file']['tmp_name']))
{
$opts_temp = array();
$version = '';
//Have to use an xpath query otherwise we run into problems
$xpath = new \DOMXPath($dom);
$option_sets = $xpath->query('plugin');
//Loop through all of the xpath query results
foreach($option_sets as $options)
{
//We only want to import options for only this plugin
if($options->getAttribute('name') === $this->short_name)
{
//Grab the file version
$version = $options->getAttribute('version');
//Loop around all of the options
foreach($options->getelementsByTagName('option') as $child)
{
//Place the option into the option array, DOMDocument decodes html entities for us
$opts_temp[$child->getAttribute('name')] = $child->nodeValue;
}
}
}
//Make sure we safely import and upgrade settings if needed
$this->opts_upgrade($opts_temp, $version);
//Commit the loaded options to the database
$this->update_option($this->unique_prefix . '_options', $this->opt, true);
//Everything was successful, let the user know
$this->messages[] = new message(esc_html__('Settings successfully imported from the uploaded file.', $this->identifier)
. $this->admin_anchor('undo', __('Undo the options import.', $this->identifier), __('Undo', $this->identifier)), 'success');
}
else
{
//Throw an error since we could not load the file for various reasons
$this->messages[] = new message(esc_html__('Importing settings from file failed.', $this->identifier), 'error');
}
//Reset to the default error handler after we're done
restore_error_handler();
//Output any messages that there may be
add_action('admin_notices', array($this, 'messages'));
}
/**
* Resets the database settings array to the default set in opt
*/
function opts_reset()
{
//Do a nonce check, prevent malicious link/form problems
check_admin_referer($this->unique_prefix . '_admin_import_export');
//Set the backup options in the DB to the current options
$this->opts_backup();
//Load in the hard coded default option values
$this->update_option($this->unique_prefix . '_options', array(), true);
//Reset successful, let the user know
$this->messages[] = new message(esc_html__('Settings successfully reset to the default values.', $this->identifier)
. $this->admin_anchor('undo', __('Undo the options reset.', $this->identifier), __('Undo', $this->identifier)), 'success');
add_action('admin_notices', array($this, 'messages'));
}
/**
* Undos the last settings save/reset/import
*/
function opts_undo()
{
//Do a nonce check, prevent malicious link/form problems
check_admin_referer($this->unique_prefix . '_admin_undo');
//Set the options array to the current options
$opt = $this->get_option($this->unique_prefix . '_options');
//Set the options in the DB to the backup options
$this->update_option($this->unique_prefix . '_options', $this->get_option($this->unique_prefix . '_options_bk'), true);
//Set the backup options to the undone options
$this->update_option($this->unique_prefix . '_options_bk', $opt, false);
//Send the success/undo message
$this->messages[] = new message(esc_html__('Settings successfully undid the last operation.', $this->identifier)
. $this->admin_anchor('undo', __('Undo the last undo operation.', $this->identifier), __('Undo', $this->identifier)), 'success');
add_action('admin_notices', array($this, 'messages'));
}
/**
* Upgrades input options array, sets to $this->opt, designed to be overwritten
*
* @param array $opts
* @param string $version the version of the passed in options
*/
function opts_upgrade($opts, $version)
{
//We don't support using newer versioned option files in older releases
if(version_compare($this::version, $version, '>='))
{
$this->opt = $opts;
}
}
/**
* Forces a database settings upgrade
*
* FIXME: seems there is a lot of very similar code in install
*/
function opts_upgrade_wrapper()
{
//Do a nonce check, prevent malicious link/form problems
check_admin_referer($this->unique_prefix . '_admin_upgrade');
//Grab the database options
$opts = $this->get_option($this->unique_prefix . '_options');
if(is_array($opts))
{
//Feed the just read options into the upgrade function
$this->opts_upgrade($opts, $this->get_option($this->unique_prefix . '_version'));
//Always have to update the version
$this->update_option($this->unique_prefix . '_version', $this::version, false);
//Store the options
$this->update_option($this->unique_prefix . '_options', $this->opt, true);
//Send the success message
$this->messages[] = new message(esc_html__('Settings successfully migrated.', $this->identifier), 'success');
}
else
{
//Run the install script
$this->install();
//Send the success message
$this->messages[] = new message(esc_html__('Default settings successfully installed.', $this->identifier), 'success');
}
add_action('admin_notices', array($this, 'messages'));
}
/**
* help action hook function
*
* @return string
*
*/
function help()
{
$screen = get_current_screen();
//Exit early if the add_help_tab function doesn't exist
if(!method_exists($screen, 'add_help_tab'))
{
return;
}
//Add contextual help on current screen
if($screen->id == 'settings_page_' . $this->identifier)
{
$this->help_contents($screen);
}
}
function help_contents(\WP_Screen &$screen)
{
}
function dismiss_message()
{
//Grab the submitted UID
$uid = esc_attr($_POST['uid']);
//Create a dummy message, with the discovered UID
$message = new message('', '', true, $uid);
//Dismiss the message
$message->dismiss();
wp_die();
}
/**
* Prints to screen all of the messages stored in the message member variable
*/
function messages()
{
foreach($this->messages as $message)
{
$message->render();
}
//Old deprecated messages
if(is_array($this->message) && count($this->message))
{
_deprecated_function( __FUNCTION__, '2.0.0', __('adminKit::message is deprecated, use new adminkit_messages instead.', $this->identifier) );
//Loop through our message classes
foreach($this->message as $key => $class)
{
//Loop through the messages in the current class
foreach($class as $message)
{
printf('
%s
', esc_attr($key), $message);
}
}
$this->message = array();
}
$this->messages = array();
}
/**
* Function prototype to prevent errors
*/
function admin_styles()
{
}
/**
* Function prototype to prevent errors
*/
function admin_scripts()
{
}
/**
* Function prototype to prevent errors
*/
function admin_head()
{
}
/**
* Function prototype to prevent errors
*/
function admin_page()
{
}
/**
* Function prototype to prevent errors
*/
protected function _get_help_text()
{
}
/**
* Returns a valid xHTML element ID
*
* @param object $option
*
* @deprecated 7.0.0
*/
static public function get_valid_id($option)
{
_deprecated_function( __FUNCTION__, '7.0', '\mtekk\adminKit\form::get_valid_id');
if(is_numeric($option[0]))
{
return 'p' . $option;
}
else
{
return $option;
}
}
function import_form()
{
$form = '
';
$form .= sprintf('
';
return $form;
}
/**
* This will output a well formed hidden option
*
* @param string $option
*
* @deprecated 7.0.0
*/
function input_hidden($option)
{
_deprecated_function( __FUNCTION__, '7.0', '\mtekk\adminKit\form::input_hidden');
$opt_id = adminKit::get_valid_id($option);
$opt_name = $this->unique_prefix . '_options[' . $option . ']';
printf('', esc_attr($opt_name), esc_attr($opt_id), esc_attr($this->opt[$option]));
}
/**
* This will output a well formed option label
*
* @param string $opt_id
* @param string $label
*
* @deprecated 7.0.0
*/
function label($opt_id, $label)
{
_deprecated_function( __FUNCTION__, '7.0', '\mtekk\adminKit\form::label');
printf('', esc_attr($opt_id), $label);
}
/**
* This will output a well formed table row for a text input
*
* @param string $label
* @param string $option
* @param string $class (optional)
* @param bool $disable (optional)
* @param string $description (optional)
*
* @deprecated 7.0.0
*/
function input_text($label, $option, $class = 'regular-text', $disable = false, $description = '')
{
_deprecated_function( __FUNCTION__, '7.0', '\mtekk\adminKit\form::input_text');
$opt_id = adminKit::get_valid_id($option);
$opt_name = $this->unique_prefix . '_options[' . $option . ']';
if($disable)
{
$this->input_hidden($option);
$class .= ' disabled';
}?>
*
* @param string $optionname name of wordpress options store
* @param array $options array of names of options that can be selected
* @param array $values array of the values of the options that can be selected
* @param array $exclude(optional) array of names in $options array to be excluded
*
* @return string The assembled HTML for the select options
*
* @deprecated 7.0.0
*/
function select_options($optionname, $options, $values, $exclude = array())
{
_deprecated_function( __FUNCTION__, '7.0', '\mtekk\adminKit\form::select_options');
$options_html = '';
$value = $this->opt[$optionname];
//Now do the rest
foreach($options as $key => $option)
{
if(!in_array($option, $exclude))
{
$options_html .= sprintf('', esc_attr($values[$key]), selected($value, $values[$key], false), $option);
}
}
return $options_html;
}
/**
* A local pass through for get_option so that we can hook in and pick the correct method if needed
*
* @param string $option The name of the option to retrieve
* @return mixed The value of the option
*/
function get_option($option)
{
return get_option($option);
}
/**
* A local pass through for update_option so that we can hook in and pick the correct method if needed
*
* @param string $option The name of the option to update
* @param mixed $newvalue The new value to set the option to
*/
function update_option($option, $newvalue, $autoload = null)
{
return update_option($option, $newvalue, $autoload);
}
/**
* A local pass through for add_option so that we can hook in and pick the correct method if needed
*
* @param string $option The name of the option to update
* @param mixed $value The new value to set the option to
* @param null $deprecated Deprecated parameter
* @param string $autoload Whether or not to autoload the option, it's a string because WP is special
*/
function add_option($option, $value = '', $deprecated = '', $autoload = 'yes')
{
return add_option($option, $value, null, $autoload);
}
/**
* A local pass through for delete_option so that we can hook in and pick the correct method if needed
*
* @param string $option The name of the option to delete
*/
function delete_option($option)
{
return delete_option($option);
}
}