subbutton.php

<?php
namespace Bitrix\UI\Buttons\Split;
 
use Bitrix\Main\NotSupportedException;
use Bitrix\UI\Buttons;
 
class SubButton extends Buttons\BaseButton
{
    protected $buttonType = Type::MAIN;
    protected $splitButton;
 
    protected function init(array $params = [])
    {
        $this->removeClass($this->getBaseClass());
 
        if (!empty($params['buttonType']))
        {
            $this->buttonType = $params['buttonType'] === Type::MAIN? Type::MAIN : Type::MENU;
        }
 
        $this->baseClass = $this->buttonType;
        parent::init($params);
 
        if ($this->isInputType())
        {
            throw new NotSupportedException("Split button cannot be an input tag.");
        }
    }
 
    public static function getJsClass()
    {
        return 'BX.UI.SplitSubButton';
    }
 
    protected function renderJavascript()
    {
        return "";
    }
 
    protected function renderInner()
    {
        return $this->isMenuButton() ? '' : parent::renderInner();
    }
 
    public function isMainButton()
    {
        return $this->getButtonType() === Type::MAIN;
    }
 
    public function isMenuButton()
    {
        return $this->getButtonType() === Type::MENU;
    }
 
    public function getButtonType()
    {
        return $this->buttonType;
    }
 
    public function getSplitButton()
    {
        return $this->splitButton;
    }
 
    public function setSplitButton($splitButton)
    {
        $this->splitButton = $splitButton;
 
        return $this;
    }
 
    public function setActive($flag = true)
    {
        return $this->toggleState($flag, State::ACTIVE, State::MAIN_ACTIVE, State::MENU_ACTIVE);
    }
 
    public function isActive()
    {
        $state = $this->getSplitButton()->getState();
        if ($state === State::ACTIVE)
        {
            return true;
        }
 
        if ($this->isMainButton())
        {
            return $state === State::MAIN_ACTIVE;
        }
        else
        {
            return $state === State::MENU_ACTIVE;
        }
    }
 
    public function setDisabled($flag = true)
    {
        $this->toggleState($flag, State::DISABLED, State::MAIN_DISABLED, State::MENU_DISABLED);
 
        return parent::setDisabled($flag);
    }
 
    public function setHovered($flag = true)
    {
        return $this->toggleState($flag, State::HOVER, State::MAIN_HOVER, State::MENU_HOVER);;
    }
 
    public function isHovered()
    {
        $state = $this->getSplitButton()->getState();
        if ($state === State::HOVER)
        {
            return true;
        }
 
        if ($this->isMainButton())
        {
            return $state === State::MAIN_HOVER;
        }
        else
        {
            return $state === State::MENU_HOVER;
        }
    }
 
    public function toggleState($flag, $globalState, $mainState, $menuState)
    {
        $state = $this->getSplitButton()->getState();
        if ($flag === false)
        {
            if ($state === $globalState)
            {
                $this->getSplitButton()->setState($this->isMainButton()? $menuState : $mainState);
            }
            else
            {
                $this->getSplitButton()->setState(null);
            }
        }
        else
        {
            if ($state === $mainState && $this->isMenuButton())
            {
                $this->getSplitButton()->setState($globalState);
            }
            else if ($state === $menuState && $this->isMainButton())
            {
                $this->getSplitButton()->setState($globalState);
            }
            else if ($state !== $globalState)
            {
                $this->getSplitButton()->setState($this->isMainButton()? $mainState : $menuState);
            }
        }
 
        return $this;
    }
}