<?php

/**

 * Users List Table class.

 *

 * @package WordPress

 * @subpackage List_Table

 * @since 3.1.0

 * @access private

 */

class WP_Users_List_Table extends WP_List_Table {

	var $site_id;

	var $is_site_users;

	function __construct() {

		$screen = get_current_screen();

		$this->is_site_users = 'site-users-network' == $screen->id;

		if ( $this->is_site_users )

			$this->site_id = isset( $_REQUEST['id'] ) ? intval( $_REQUEST['id'] ) : 0;

		parent::__construct( array(

			'singular' => 'user',

			'plural'   => 'users'

		) );

	}

	function ajax_user_can() {

		if ( $this->is_site_users )

			return current_user_can( 'manage_sites' );

		else

			return current_user_can( 'list_users' );

	}

	function prepare_items() {

		global $role, $usersearch;

		$usersearch = isset( $_REQUEST['s'] ) ? $_REQUEST['s'] : '';

		$role = isset( $_REQUEST['role'] ) ? $_REQUEST['role'] : '';

		$per_page = ( $this->is_site_users ) ? 'site_users_network_per_page' : 'users_per_page';

		$users_per_page = $this->get_items_per_page( $per_page );

		$paged = $this->get_pagenum();

		$args = array(

			'number' => $users_per_page,

			'offset' => ( $paged-1 ) * $users_per_page,

			'role' => $role,

			'search' => $usersearch,

			'fields' => 'all_with_meta'

		);

		if ( '' !== $args['search'] )

			$args['search'] = '*' . $args['search'] . '*';

		if ( $this->is_site_users )

			$args['blog_id'] = $this->site_id;

		if ( isset( $_REQUEST['orderby'] ) )

			$args['orderby'] = $_REQUEST['orderby'];

		if ( isset( $_REQUEST['order'] ) )

			$args['order'] = $_REQUEST['order'];

		// Query the user IDs for this page

		$wp_user_search = new WP_User_Query( $args );

		$this->items = $wp_user_search->get_results();

		$this->set_pagination_args( array(

			'total_items' => $wp_user_search->get_total(),

			'per_page' => $users_per_page,

		) );

	}

	function no_items() {

		_e( 'No matching users were found.' );

	}

	function get_views() {

		global $wp_roles, $role;

		if ( $this->is_site_users ) {

			$url = 'site-users.php?id=' . $this->site_id;

			switch_to_blog( $this->site_id );

			$users_of_blog = count_users();

			restore_current_blog();

		} else {

			$url = 'users.php';

			$users_of_blog = count_users();

		}

		$total_users = $users_of_blog['total_users'];

		$avail_roles =& $users_of_blog['avail_roles'];

		unset($users_of_blog);

		$current_role = false;

		$class = empty($role) ? ' class="current"' : '';

		$role_links = array();

		$role_links['all'] = "<a href='$url'$class>" . sprintf( _nx( 'All <span class="count">(%s)</span>', 'All <span class="count">(%s)</span>', $total_users, 'users' ), number_format_i18n( $total_users ) ) . '</a>';

		foreach ( $wp_roles->get_names() as $this_role => $name ) {

			if ( !isset($avail_roles[$this_role]) )

				continue;

			$class = '';

			if ( $this_role == $role ) {

				$current_role = $role;

				$class = ' class="current"';

			}

			$name = translate_user_role( $name );

			/* translators: User role name with count */

			$name = sprintf( __('%1$s <span class="count">(%2$s)</span>'), $name, number_format_i18n( $avail_roles[$this_role] ) );

			$role_links[$this_role] = "<a href='" . esc_url( add_query_arg( 'role', $this_role, $url ) ) . "'$class>$name</a>";

		}

		return $role_links;

	}

	function get_bulk_actions() {

		$actions = array();

		if ( is_multisite() ) {

			if ( current_user_can( 'remove_users' ) )

				$actions['remove'] = __( 'Remove' );

		} else {

			if ( current_user_can( 'delete_users' ) )

				$actions['delete'] = __( 'Delete' );

		}

		return $actions;

	}

	function extra_tablenav( $which ) {

		if ( 'top' != $which )

			return;

		if ( ! current_user_can( 'promote_users' ) )

			return;

?>

	<div class="alignleft actions">

		<label class="screen-reader-text" for="new_role"><?php _e( 'Change role to&hellip;' ) ?></label>

		<select name="new_role" id="new_role">

			<option value=''><?php _e( 'Change role to&hellip;' ) ?></option>

			<?php wp_dropdown_roles(); ?>

		</select>

		<?php submit_button( __( 'Change' ), 'secondary', 'changeit', false ); ?>

	</div>

<?php

	}

	function current_action() {

		if ( isset($_REQUEST['changeit']) && !empty($_REQUEST['new_role']) )

			return 'promote';

		return parent::current_action();

	}

	function get_columns() {

		$c = array(

			'cb'       => '<input type="checkbox" />',

			'username' => __( 'Username' ),

			'name'     => __( 'Name' ),

			'email'    => __( 'E-mail' ),

			'role'     => __( 'Role' ),

			'posts'    => __( 'Posts' )

		);

		if ( $this->is_site_users )

			unset( $c['posts'] );

		return $c;

	}

	function get_sortable_columns() {

		$c = array(

			'username' => 'login',

			'name'     => 'name',

			'email'    => 'email',

		);

		if ( $this->is_site_users )

			unset( $c['posts'] );

		return $c;

	}

	function display_rows() {

		// Query the post counts for this page

		if ( ! $this->is_site_users )

			$post_counts = count_many_users_posts( array_keys( $this->items ) );

		$style = '';

		foreach ( $this->items as $userid => $user_object ) {

			$role = reset( $user_object->roles );

			if ( is_multisite() && empty( $role ) )

				continue;

			$style = ( ' class="alternate"' == $style ) ? '' : ' class="alternate"';

			echo "\n\t", $this->single_row( $user_object, $style, $role, isset( $post_counts ) ? $post_counts[ $userid ] : 0 );

		}

	}

	/**

	 * Generate HTML for a single row on the users.php admin panel.

	 *

	 * @since 2.1.0

	 *

	 * @param object $user_object

	 * @param string $style Optional. Attributes added to the TR element. Must be sanitized.

	 * @param string $role Key for the $wp_roles array.

	 * @param int $numposts Optional. Post count to display for this user. Defaults to zero, as in, a new user has made zero posts.

	 * @return string

	 */

	function single_row( $user_object, $style = '', $role = '', $numposts = 0 ) {

		global $wp_roles;

		if ( !( is_object( $user_object ) && is_a( $user_object, 'WP_User' ) ) )

			$user_object = new WP_User( (int) $user_object );

		$user_object->filter = 'display';

		$email = $user_object->user_email;

		if ( $this->is_site_users )

			$url = "site-users.php?id={$this->site_id}&";

		else

			$url = 'users.php?';

		$checkbox = '';

		// Check if the user for this row is editable

		if ( current_user_can( 'list_users' ) ) {

			// Set up the user editing link

			// TODO: make profile/user-edit determination a separate function

			if ( get_current_user_id() == $user_object->ID ) {

				$edit_link = 'profile.php';

			} else {

				$edit_link = esc_url( add_query_arg( 'wp_http_referer', urlencode( stripslashes( $_SERVER['REQUEST_URI'] ) ), "user-edit.php?user_id=$user_object->ID" ) );

			}

			// Set up the hover actions for this user

			$actions = array();

			if ( current_user_can( 'edit_user',  $user_object->ID ) ) {

				$edit = "<strong><a href=\"$edit_link\">$user_object->user_login</a></strong><br />";

				$actions['edit'] = '<a href="' . $edit_link . '">' . __( 'Edit' ) . '</a>';

			} else {

				$edit = "<strong>$user_object->user_login</strong><br />";

			}

			if ( !is_multisite() && get_current_user_id() != $user_object->ID && current_user_can( 'delete_user', $user_object->ID ) )

				$actions['delete'] = "<a class='submitdelete' href='" . wp_nonce_url( "users.php?action=delete&amp;user=$user_object->ID", 'bulk-users' ) . "'>" . __( 'Delete' ) . "</a>";

			if ( is_multisite() && get_current_user_id() != $user_object->ID && current_user_can( 'remove_user', $user_object->ID ) )

				$actions['remove'] = "<a class='submitdelete' href='" . wp_nonce_url( $url."action=remove&amp;user=$user_object->ID", 'bulk-users' ) . "'>" . __( 'Remove' ) . "</a>";

			$actions = apply_filters( 'user_row_actions', $actions, $user_object );

			$edit .= $this->row_actions( $actions );

			// Set up the checkbox ( because the user is editable, otherwise its empty )

			$checkbox = "<input type='checkbox' name='users[]' id='user_{$user_object->ID}' class='$role' value='{$user_object->ID}' />";

		} else {

			$edit = '<strong>' . $user_object->user_login . '</strong>';

		}

		$role_name = isset( $wp_roles->role_names[$role] ) ? translate_user_role( $wp_roles->role_names[$role] ) : __( 'None' );

		$avatar = get_avatar( $user_object->ID, 32 );

		$r = "<tr id='user-$user_object->ID'$style>";

		list( $columns, $hidden ) = $this->get_column_info();

		foreach ( $columns as $column_name => $column_display_name ) {

			$class = "class=\"$column_name column-$column_name\"";

			$style = '';

			if ( in_array( $column_name, $hidden ) )

				$style = ' style="display:none;"';

			$attributes = "$class$style";

			switch ( $column_name ) {

				case 'cb':

					$r .= "<th scope='row' class='check-column'>$checkbox</th>";

					break;

				case 'username':

					$r .= "<td $attributes>$avatar $edit</td>";

					break;

				case 'name':

					$r .= "<td $attributes>$user_object->first_name $user_object->last_name</td>";

					break;

				case 'email':

					$r .= "<td $attributes><a href='mailto:$email' title='" . esc_attr( sprintf( __( 'E-mail: %s' ), $email ) ) . "'>$email</a></td>";

					break;

				case 'role':

					$r .= "<td $attributes>$role_name</td>";

					break;

				case 'posts':

					$attributes = 'class="posts column-posts num"' . $style;

					$r .= "<td $attributes>";

					if ( $numposts > 0 ) {

						$r .= "<a href='edit.php?author=$user_object->ID' title='" . esc_attr__( 'View posts by this author' ) . "' class='edit'>";

						$r .= $numposts;

						$r .= '</a>';

					} else {

						$r .= 0;

					}

					$r .= "</td>";

					break;

				default:

					$r .= "<td $attributes>";

					$r .= apply_filters( 'manage_users_custom_column', '', $column_name, $user_object->ID );

					$r .= "</td>";

			}

		}

		$r .= '</tr>';

		return $r;

	}

}