Zabbix

<?php declare(strict_types = 0);

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** This program 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

​

class CFormFieldsetCollapsible extends CFormFieldset {

​

    public const ZBX_STYLE_TOGGLE = 'toggle';

​

    protected bool $is_expanded = false;

​

    public function __construct(string $caption, $body = null) {

        parent::__construct($caption, $body);

​

        $this->addClass(ZBX_STYLE_COLLAPSIBLE);

    }

​

    public function setExpanded(bool $expanded = true): self {

        $this->is_expanded = $expanded;

​

        return $this;

    }

​

    protected function makeLegend(): string {

        return (new CTag('legend', true,

            (new CSimpleButton(new CSpan($this->caption)))

                ->addClass(self::ZBX_STYLE_TOGGLE)

                ->addClass($this->is_expanded ? ZBX_ICON_CHEVRON_UP : ZBX_ICON_CHEVRON_DOWN)

                ->setTitle($this->is_expanded ? _('Collapse') : _('Expand'))

        ))->toString();

    }

​

    public function toString($destroy = true): string {

        if (!$this->is_expanded) {

            $this->addClass(ZBX_STYLE_COLLAPSED);

        }

​

        return parent::toString($destroy);

    }

}