acp_styles::action_details PHP Method

    protected function action_details()
    {
        global $user, $phpbb_log;
        $id = $this->request->variable('id', 0);
        if (!$id) {
            trigger_error($this->user->lang['NO_MATCHING_STYLES_FOUND'] . adm_back_link($this->u_action), E_USER_WARNING);
        }
        // Get all styles
        $styles = $this->get_styles();
        usort($styles, array($this, 'sort_styles'));
        // Find current style
        $style = false;
        foreach ($styles as $row) {
            if ($row['style_id'] == $id) {
                $style = $row;
                break;
            }
        }
        if ($style === false) {
            trigger_error($this->user->lang['NO_MATCHING_STYLES_FOUND'] . adm_back_link($this->u_action), E_USER_WARNING);
        }
        // Find all available parent styles
        $list = $this->find_possible_parents($styles, $id);
        // Add form key
        $form_key = 'acp_styles';
        add_form_key($form_key);
        // Change data
        if ($this->request->variable('update', false)) {
            if (!check_form_key($form_key)) {
                trigger_error($this->user->lang['FORM_INVALID'] . adm_back_link($this->u_action), E_USER_WARNING);
            }
            $update = array('style_name' => trim($this->request->variable('style_name', $style['style_name'])), 'style_parent_id' => $this->request->variable('style_parent', (int) $style['style_parent_id']), 'style_active' => $this->request->variable('style_active', (int) $style['style_active']));
            $update_action = $this->u_action . '&action=details&id=' . $id;
            // Check style name
            if ($update['style_name'] != $style['style_name']) {
                if (!strlen($update['style_name'])) {
                    trigger_error($this->user->lang['STYLE_ERR_STYLE_NAME'] . adm_back_link($update_action), E_USER_WARNING);
                }
                foreach ($styles as $row) {
                    if ($row['style_name'] == $update['style_name']) {
                        trigger_error($this->user->lang['STYLE_ERR_NAME_EXIST'] . adm_back_link($update_action), E_USER_WARNING);
                    }
                }
            } else {
                unset($update['style_name']);
            }
            // Check parent style id
            if ($update['style_parent_id'] != $style['style_parent_id']) {
                if ($update['style_parent_id'] != 0) {
                    $found = false;
                    foreach ($list as $row) {
                        if ($row['style_id'] == $update['style_parent_id']) {
                            $found = true;
                            $update['style_parent_tree'] = ($row['style_parent_tree'] != '' ? $row['style_parent_tree'] . '/' : '') . $row['style_path'];
                            break;
                        }
                    }
                    if (!$found) {
                        trigger_error($this->user->lang['STYLE_ERR_INVALID_PARENT'] . adm_back_link($update_action), E_USER_WARNING);
                    }
                } else {
                    $update['style_parent_tree'] = '';
                }
            } else {
                unset($update['style_parent_id']);
            }
            // Check style_active
            if ($update['style_active'] != $style['style_active']) {
                if (!$update['style_active'] && $this->default_style == $style['style_id']) {
                    trigger_error($this->user->lang['DEACTIVATE_DEFAULT'] . adm_back_link($update_action), E_USER_WARNING);
                }
            } else {
                unset($update['style_active']);
            }
            // Update data
            if (count($update)) {
                $sql = 'UPDATE ' . STYLES_TABLE . '
					SET ' . $this->db->sql_build_array('UPDATE', $update) . "\n\t\t\t\t\tWHERE style_id = {$id}";
                $this->db->sql_query($sql);
                $style = array_merge($style, $update);
                if (isset($update['style_parent_id'])) {
                    // Update styles tree
                    $styles = $this->get_styles();
                    if ($this->update_styles_tree($styles, $style)) {
                        // Something was changed in styles tree, purge all cache
                        $this->cache->purge();
                    }
                }
                $phpbb_log->add('admin', $user->data['user_id'], $user->ip, 'LOG_STYLE_EDIT_DETAILS', false, array($style['style_name']));
            }
            // Update default style
            $default = $this->request->variable('style_default', 0);
            if ($default) {
                if (!$style['style_active']) {
                    trigger_error($this->user->lang['STYLE_DEFAULT_CHANGE_INACTIVE'] . adm_back_link($update_action), E_USER_WARNING);
                }
                $this->config->set('default_style', $id);
                $this->cache->purge();
            }
            // Show styles list
            $this->frontend();
            return;
        }
        // Show page title
        $this->welcome_message('ACP_STYLES', null);
        // Show parent styles
        foreach ($list as $row) {
            $this->template->assign_block_vars('parent_styles', array('STYLE_ID' => $row['style_id'], 'STYLE_NAME' => htmlspecialchars($row['style_name']), 'LEVEL' => $row['level'], 'SPACER' => str_repeat('  ', $row['level'])));
        }
        // Show style details
        $this->template->assign_vars(array('S_STYLE_DETAILS' => true, 'STYLE_ID' => $style['style_id'], 'STYLE_NAME' => htmlspecialchars($style['style_name']), 'STYLE_PATH' => htmlspecialchars($style['style_path']), 'STYLE_COPYRIGHT' => strip_tags($style['style_copyright']), 'STYLE_PARENT' => $style['style_parent_id'], 'S_STYLE_ACTIVE' => $style['style_active'], 'S_STYLE_DEFAULT' => $style['style_id'] == $this->default_style));
    }