Add hierarhical managment

backend/wordpress/wp-content/plugins/groups/lib/admin/groups-admin-capabilities-add.php

@@ -0,0 +1,108 @@
+<?php
+/**
+ * groups-admin-capabilities-add.php
+ *
+ * Copyright (c) "kento" Karim Rahimpur www.itthinx.com
+ *
+ * This code is released under the GNU General Public License.
+ * See COPYRIGHT.txt and LICENSE.txt.
+ *
+ * This code is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * This header and all notices must be kept intact.
+ *
+ * @author Karim Rahimpur
+ * @package groups
+ * @since groups 1.0.0
+ */
+
+if ( !defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * Show add capability form.
+ */
+function groups_admin_capabilities_add() {
+
+	global $wpdb;
+
+	if ( !current_user_can( GROUPS_ADMINISTER_GROUPS ) ) {
+		wp_die( __( 'Access denied.', 'groups' ) );
+	}
+
+	$current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
+	$current_url = remove_query_arg( 'paged', $current_url );
+	$current_url = remove_query_arg( 'action', $current_url );
+	$current_url = remove_query_arg( 'capability_id', $current_url );
+
+	$capability  = isset( $_POST['capability-field'] ) ? $_POST['capability-field'] : '';
+	$description = isset( $_POST['description-field'] ) ? $_POST['description-field'] : '';
+
+	$capability_table = _groups_get_tablename( 'capability' );
+
+	$output =
+		'<div class="manage-capabilities wrap">' .
+			'<h1>' .
+				__( 'Add a new capability', 'groups' ) .
+			'</h1>' .
+		Groups_Admin::render_messages() .
+		'<form id="add-capability" action="' . esc_url( $current_url ) . '" method="post">' .
+		'<div class="capability new">' .
+
+		'<div class="field">' .
+		'<label for="capability-field" class="field-label first required">' .__( 'Capability', 'groups' ) . '</label>' .
+		'<input id="name-field" name="capability-field" class="capability-field" type="text" value="' . esc_attr( stripslashes( $capability ) ) . '"/>' .
+		'</div>' .
+
+		'<div class="field">' .
+		'<label for="description-field" class="field-label description-field">' .__( 'Description', 'groups' ) . '</label>' .
+		'<textarea id="description-field" name="description-field" rows="5" cols="45">' . stripslashes( wp_filter_nohtml_kses( $description ) ) . '</textarea>' .
+		'</div>' .
+
+		'<div class="field">' .
+		wp_nonce_field( 'capabilities-add', GROUPS_ADMIN_GROUPS_NONCE, true, false ) .
+		'<input class="button button-primary" type="submit" value="' . __( 'Add', 'groups' ) . '"/>' .
+		'<input type="hidden" value="add" name="action"/>' .
+		'<a class="cancel button" href="' . esc_url( $current_url ) . '">' . __( 'Cancel', 'groups' ) . '</a>' .
+		'</div>' .
+		'</div>' . // .capability.new
+		'</form>' .
+		'</div>'; // .manage-capabilities
+
+		echo $output;
+
+} // function groups_admin_capabilities_add
+
+/**
+ * Handle add capability form submission.
+ * @return int new capability's id or false if unsuccessful
+ */
+function groups_admin_capabilities_add_submit() {
+
+	global $wpdb;
+
+	if ( !current_user_can( GROUPS_ADMINISTER_GROUPS ) ) {
+		wp_die( __( 'Access denied.', 'groups' ) );
+	}
+
+	if ( !wp_verify_nonce( $_POST[GROUPS_ADMIN_GROUPS_NONCE], 'capabilities-add' ) ) {
+		wp_die( __( 'Access denied.', 'groups' ) );
+	}
+
+	$capability  = isset( $_POST['capability-field'] ) ? $_POST['capability-field'] : null;
+	$description = isset( $_POST['description-field'] ) ? $_POST['description-field'] : '';
+
+	$capability_id = Groups_Capability::create( compact( "capability", "description" ) );
+	if ( !$capability_id ) {
+		if ( empty( $capability ) ) {
+			Groups_Admin::add_message( __( 'The <em>Capability</em> must not be empty.', 'groups' ), 'error' );
+		} else if ( Groups_Capability::read_by_capability( $capability ) ) {
+			Groups_Admin::add_message( sprintf( __( 'The <em>%s</em> capability already exists.', 'groups' ), stripslashes( wp_filter_nohtml_kses( ( $capability ) ) ) ), 'error' );
+		}
+	}
+	return $capability_id;
+} // function groups_admin_capabilities_add_submit