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<?php
/**
* Content Views Admin
*
* @package PT_Content_Views_Admin
* @author PT Guy <palaceofthemes@gmail.com>
* @license GPL-2.0+
* @link http://www.contentviewspro.com/
* @copyright 2014 PT Guy
*/
class PT_Content_Views_Admin {
/**
* Instance of this class.
*
* @since 1.0.0
*
* @var object
*/
protected static $instance = null;
/**
* Slug of the plugin screen.
*
* @since 1.0.0
*
* @var string
*/
protected $plugin_screen_hook_suffix = null;
// Slugs for sub menu pages
protected $plugin_sub_screen_hook_suffix = null;
/**
* Initialize the plugin by loading admin scripts & styles and adding a
* settings page and menu.
*
* @since 1.0.0
*/
private function __construct() {
/*
* @TODO :
*
* - Uncomment following lines if the admin class should only be available for super admins
*/
/* if( ! is_super_admin() ) {
return;
} */
/*
* Call $plugin_slug from public plugin class.
*/
$plugin = PT_Content_Views::get_instance();
$this->plugin_slug = $plugin->get_plugin_slug();
// Fix redirect error
add_action( 'init', array( $this, 'do_output_buffer' ) );
// Redirect to "Add View" page when click "Add new" link in "All Views" page
add_action( 'admin_init', array( $this, 'redirect_add_new' ) );
// Load admin style sheet and JavaScript.
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin_styles' ) );
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin_scripts' ) );
add_action( 'admin_print_footer_scripts', array( $this, 'print_footer_scripts' ) );
// Add the options page and menu item.
add_action( 'admin_menu', array( $this, 'add_plugin_admin_menu' ) );
// Ajax action
$action = 'preview_request';
add_action( 'wp_ajax_' . $action, array( 'PT_CV_Functions', 'ajax_callback_' . $action ) );
// Output assets content at footer of page
add_action( PT_CV_PREFIX_ . 'preview_footer', array( 'PT_CV_Html', 'assets_of_view_types' ) );
// Add an action link pointing to the options page.
$plugin_basename = plugin_basename( plugin_dir_path( dirname( __FILE__ ) ) . $this->plugin_slug . '.php' );
add_filter( 'plugin_action_links_' . $plugin_basename, array( $this, 'filter_add_action_links' ) );
// Filter link of actions in All Views page
add_filter( 'post_row_actions', array( $this, 'filter_view_row_actions' ), 10, 2 );
// Add Shortcode column
add_filter( 'manage_pt_view_posts_columns', array( $this, 'filter_view_custom_column_header' ) );
add_action( 'manage_pt_view_posts_custom_column', array( $this, 'action_view_custom_column_content' ), 10, 2 );
// Filter link of Title in All Views page
add_filter( 'get_edit_post_link', array( $this, 'filter_get_edit_post_link' ), 10, 3 );
// Filter Title of Edit View page
add_filter( 'admin_title', array( $this, 'filter_admin_title' ), 10, 2 );
// Custom hooks for both preview & frontend
PT_CV_Hooks::init();
// Custom settings page
PT_CV_Plugin::init();
}
/**
* Return an instance of this class.
*
* @since 1.0.0
*
* @return object A single instance of this class.
*/
public static function get_instance() {
/*
* @TODO :
*
* - Uncomment following lines if the admin class should only be available for super admins
*/
/* if( ! is_super_admin() ) {
return;
} */
// If the single instance hasn't been set, set it now.
if ( null == self::$instance ) {
self::$instance = new self;
}
return self::$instance;
}
/**
* Output buffering
*/
public function do_output_buffer() {
ob_start();
}
/**
* Redirect to "Add View" page when click "Add new" link in "All Views" page
*/
public function redirect_add_new() {
global $pagenow;
if ( $pagenow === 'post-new.php' ) {
$post_type = isset( $_GET[ 'post_type' ] ) ? $_GET[ 'post_type' ] : '';
if ( $post_type === PT_CV_POST_TYPE ) {
wp_redirect( admin_url( 'admin.php?page=' . $this->plugin_slug . '-add' ), 301 );
exit;
}
}
}
/**
* Register and enqueue admin-specific style sheet.
*
* @since 1.0.0
*
* @return null Return early if no settings page is registered.
*/
public function enqueue_admin_styles() {
if ( !isset( $this->plugin_screen_hook_suffix ) ) {
return;
}
// Load every Admin pages
PT_CV_Asset::enqueue(
'admin-menu', 'style', array(
'src' => plugins_url( 'assets/css/menu.css', __FILE__ ),
)
);
$screen = get_current_screen();
if ( $this->plugin_screen_hook_suffix == $screen->id || in_array( $screen->id, $this->plugin_sub_screen_hook_suffix ) ) {
// WP assets
wp_enqueue_style( 'thickbox' );
wp_enqueue_style( 'media-upload' );
wp_enqueue_style( 'wp-color-picker' );
// Main admin style
PT_CV_Asset::enqueue(
'admin', 'style', array(
'src' => plugins_url( 'assets/css/admin.css', __FILE__ ),
)
);
// Fix style of WP
global $wp_version;
if ( version_compare( $wp_version, '3.8.0' ) >= 0 ) {
PT_CV_Asset::enqueue(
'admin-fix', 'style', array(
'src' => plugins_url( 'assets/css/wp38.css', __FILE__ ),
'ver' => $wp_version,
)
);
} else {
PT_CV_Asset::enqueue(
'admin-fix', 'style', array(
'src' => plugins_url( 'assets/css/wp.css', __FILE__ ),
'ver' => $wp_version,
)
);
}
// Bootstrap for Admin
PT_CV_Asset::enqueue(
'bootstrap-admin', 'style', array(
'src' => plugins_url( 'assets/bootstrap/css/bootstrap.admin.css', PT_CV_FILE ),
)
);
// For Preview
PT_CV_Html::frontend_styles();
// Main scripts
PT_CV_Asset::enqueue( 'select2', 'style' );
PT_CV_Asset::enqueue( 'select2-bootstrap', 'style' );
}
}
/**
* Register and enqueue admin-specific JavaScript.
*
* @since 1.0.0
*
* @return null Return early if no settings page is registered.
*/
public function enqueue_admin_scripts() {
if ( !isset( $this->plugin_screen_hook_suffix ) ) {
return;
}
$screen = get_current_screen();
if ( $this->plugin_screen_hook_suffix == $screen->id || in_array( $screen->id, $this->plugin_sub_screen_hook_suffix ) ) {
// WP assets
wp_enqueue_script( 'wp-color-picker' );
wp_enqueue_script( 'jquery-ui-sortable' );
// Main admin script
PT_CV_Asset::enqueue(
'admin', 'script', array(
'src' => plugins_url( 'assets/js/admin.js', __FILE__ ),
'deps' => array( 'jquery' ),
)
);
// Localize strings
PT_CV_Asset::localize_script(
'admin', PT_CV_PREFIX_UPPER . 'ADMIN', array(
'supported_version' => PT_CV_Functions::wp_version_compare( '3.5' ),
'text' => array(
'no_taxonomy' => __( 'There is no taxonomy for selected content type', PT_CV_DOMAIN ),
'pagination_disable' => __( 'Pagination is disabled when Limit = -1', PT_CV_DOMAIN ),
'prevent_click' => __( 'Opening a link is prevented in preview box', PT_CV_DOMAIN ),
),
'btn' => array(
'preview' => array(
'show' => __( 'Show Preview', PT_CV_DOMAIN ),
'hide' => __( 'Hide Preview', PT_CV_DOMAIN ),
'update' => __( 'Update Preview', PT_CV_DOMAIN ),
),
),
'data' => array(
'post_types_vs_taxonomies' => PT_CV_Values::post_types_vs_taxonomies(),
),
)
);
// For Preview
PT_CV_Html::frontend_scripts( true );
PT_CV_Asset::enqueue( 'select2' );
}
}
/**
* Print script at footer of WP admin
*/
public function print_footer_scripts() {
if ( !isset( $this->plugin_screen_hook_suffix ) ) {
return;
}
$screen = get_current_screen();
if ( $this->plugin_screen_hook_suffix == $screen->id || in_array( $screen->id, $this->plugin_sub_screen_hook_suffix ) ) {
PT_Options_Framework::print_js();
}
}
/**
* Register the administration menu for this plugin into the WordPress Dashboard menu.
*
* @since 1.0.0
*/
public function add_plugin_admin_menu() {
/*
* Add a settings page for this plugin to the Settings menu.
*/
// Get user role settings option
$user_role = current_user_can( 'administrator' ) ? 'administrator' : PT_CV_Functions::get_option_value( 'access_role', 'edit_posts' );
$this->plugin_screen_hook_suffix = add_menu_page(
__( 'Content View Settings', $this->plugin_slug ), __( 'Content View Settings', $this->plugin_slug ), $user_role, $this->plugin_slug, array( $this, 'display_plugin_admin_page' ), '', '45.6'
);
$this->plugin_sub_screen_hook_suffix[] = PT_CV_Functions::menu_add_sub(
$this->plugin_slug, __( 'All Content Views', $this->plugin_slug ), __( 'All Views', $this->plugin_slug ), $user_role, 'list', __CLASS__
);
$this->plugin_sub_screen_hook_suffix[] = PT_CV_Functions::menu_add_sub(
$this->plugin_slug, __( 'Add New View', $this->plugin_slug ), __( 'Add New', $this->plugin_slug ), $user_role, 'add', __CLASS__
);
}
/**
* Admin custom column content
*
* @param type $column_name
* @param type $post_id
*/
public function action_view_custom_column_content( $column_name, $post_id ) {
if ( $column_name == 'shortcode' ) {
// Get View id
$view_id = get_post_meta( $post_id, PT_CV_META_ID, true );
printf( '<input style="width: 250px; background: #ADFFAD;" type="text" value="[pt_view id="%s"]" onclick="this.select()" readonly="">', $view_id );
}
}
/**
* Render the settings page for this plugin.
*
* @since 1.0.0
*/
public static function display_plugin_admin_page() {
include_once( 'views/admin.php' );
}
/**
* List all Views page
*/
public static function display_sub_page_list() {
include_once( 'views/list.php' );
}
/**
* Add/Edit View page
*/
public static function display_sub_page_add() {
include_once( 'views/view.php' );
}
/**
* Add settings action link to the plugins page, doesn't work in Multiple site
*
* @since 1.0.0
*/
public function filter_add_action_links( $links ) {
return array_merge(
array(
'settings' => '<a href="' . admin_url( 'admin.php?page=' . $this->plugin_slug ) . '">' . __( 'Settings', $this->plugin_slug ) . '</a>',
'add' => '<a href="' . admin_url( 'admin.php?page=' . $this->plugin_slug . '-add' ) . '">' . __( 'Add View', $this->plugin_slug ) . '</a>',
), $links
);
}
/**
* Filter link of actions in All Views page
*
* @param array $actions Array of actions link
* @param object $post The post
*
* @return array
*/
public function filter_view_row_actions( $actions, $post ) {
// Get current post type
$post_type = PT_CV_Functions::admin_current_post_type();
if ( $post_type != PT_CV_POST_TYPE ) {
return $actions;
}
// Remove Quick edit link
unset( $actions[ 'inline hide-if-no-js' ] );
// Remove View link
unset( $actions[ 'view' ] );
// Update Edit link
// Get View id
$view_id = get_post_meta( $post->ID, PT_CV_META_ID, true );
if ( !empty( $view_id ) ) {
$edit_link = PT_CV_Functions::view_link( $view_id );
$actions[ 'edit' ] = '<a href="' . esc_url( $edit_link ) . '" title="' . esc_attr( __( 'Edit this item' ) ) . '">' . __( 'Edit' ) . '</a>';
}
// Filter actions
$actions = apply_filters( PT_CV_PREFIX_ . 'view_row_actions', $actions, $view_id );
return $actions;
}
/**
* Modify column in View list page (Admin)
*
* @param type $defaults
*/
public function filter_view_custom_column_header( $defaults ) {
unset( $defaults[ 'author' ] );
unset( $defaults[ 'date' ] );
$defaults[ 'shortcode' ] = __( 'Shortcode' );
$defaults[ 'author' ] = __( 'Author' );
$defaults[ 'date' ] = __( 'Date' );
return $defaults;
}
/**
* Filter link of Title in All Views page
*/
public function filter_get_edit_post_link( $edit_link, $post_id, $context ) {
// Get current post type
$post_type = PT_CV_Functions::admin_current_post_type();
if ( $post_type != PT_CV_POST_TYPE ) {
return $edit_link;
}
// Get View id
$view_id = get_post_meta( $post_id, PT_CV_META_ID, true );
$edit_link = PT_CV_Functions::view_link( $view_id );
return $edit_link;
}
/**
* Filter Title for View page
*
* @param string $admin_title
* @param string $title
*/
public function filter_admin_title( $admin_title, $title ) {
$screen = get_current_screen();
if ( !$this || !isset( $this->plugin_sub_screen_hook_suffix ) ) {
return $admin_title;
}
// If is View page
if ( $this->plugin_screen_hook_suffix == $screen->id || in_array( $screen->id, $this->plugin_sub_screen_hook_suffix ) ) {
// If View id is passed in url
if ( !empty( $_GET[ 'id' ] ) ) {
$admin_title = str_replace( 'Add New', 'Edit', $admin_title );
}
}
return $admin_title;
}
}
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