<?php
/**
 * The filter widget class file of zin module of ZenTaoPMS.
 *
 * @copyright   Copyright 2009-2023 禅道软件（青岛）有限公司(ZenTao Software (Qingdao) Co., Ltd. www.zentao.net)
 * @license     ZPL(https://zpl.pub/page/zplv12.html) or AGPL(https://www.gnu.org/licenses/agpl-3.0.en.html)
 * @author      Gang Liu <liugang@easycorp.ltd>
 * @package     zin
 * @link        http://www.zentao.net
 */
namespace zin;

class filter extends wg
{
    /**
     * @var mixed[]
     */
    protected static $defineProps = array(
        'class?: string',                   // 样式。
        'title?: string',                   // 控件标题。
        'type?: string',                    // 控件类型。
        'name?: string',                    // 控件名称。
        'value?: string',                   // 控件默认值。
        'items?: array|string',             // picker 列表项或表项获取方法。
        'menu?: array',                     // picker 附加的菜单选项。
        'multiple?: boolean|number=false',  // picker 是否允许选择多个值，如果指定为数字，则限制多选的数目，默认 `false`。
        'layout?: string="horz"',             // 使用的方式，默认是水平使用，还可以指定为normal正常布局。
        'onChange?: function'
    );

    protected function buildPicker()
    {
        list($name, $value, $items, $menu, $multiple, $onChange) = $this->prop(array('name', 'value', 'items', 'menu', 'multiple', 'onChange'));

        return picker
        (
            setClass('flex-auto'),
            set::name($name),
            set::value($value),
            set::items($items),
            set::menu($menu),
            set::multiple($multiple),
            on::change()->do(<<<JS
const hasUrl = () => \$this.zui().\$.props.items.hasOwnProperty('url');
if(hasUrl()) \$this.zui().\$.props.items.data.values = \$this.zui().\$.value;
{$onChange}(event, '{$name}');
JS
),
            on::inited()->do(<<<JS
const getItems = () => \$this.zui().\$.state.items;
const hasUrl   = () => \$this.zui().\$.state.items.hasOwnProperty('url');
const waitItems = () => {
    if(!hasUrl())
    {
        const picker = \$this.zui().\$;
        const itemValues = picker.state.items.map(item => item.value);
        const values = picker.valueList.filter(value => itemValues.includes(value));
        picker.setValue(values);
        return;
    }
    setTimeout(waitItems, 100);
}
if(hasUrl()) waitItems();
JS
)
        );
    }

    /**
     * @return \zin\datePicker|mixed[]
     */
    protected function buildDatePicker()
    {
        list($name, $value, $onChange) = $this->prop(array('name', 'value', 'onChange'));

        return datePicker
        (
            setClass('flex-auto'),
            set::name($name),
            set::value($value),
            on::change("$onChange(e, '$name')")
        );
    }

    /**
     * @return \zin\datetimePicker|mixed[]
     */
    protected function buildDatetimePicker()
    {
        list($name, $value, $onChange) = $this->prop(array('name', 'value', 'onChange'));

        return datetimePicker
        (
            setClass('flex-auto'),
            set::name($name),
            set::value($value),
            on::change("$onChange(e, '$name')")
        );
    }

    protected function buildInput()
    {
        list($name, $value, $onChange) = $this->prop(array('name', 'value', 'onChange'));

        return input
        (
            setClass('flex-auto'),
            set::name($name),
            set::value($value),
            on::change("$onChange(e, '$name')")
        );
    }

    /**
     * @return \zin\node|mixed[]
     * @param string $type
     */
    protected function buildControl($type)
    {
        if($type == 'select' || $type == 'multipleselect') return $this->buildPicker();
        if($type == 'date')     return $this->buildDatePicker();
        if($type == 'datetime') return $this->buildDatetimePicker();
        return $this->buildInput();
    }

    protected function build()
    {
        list($type, $layout) = $this->prop(array('type', 'layout'));
        $isHorz = $layout === 'horz';
        $class  = $this->prop('class', array('w-1/2' => $isHorz));

        return inputGroup
        (
            setClass("filter filter-{$type} flex", $class, array('mb-2 pr-4' => $isHorz)),
            $this->prop('title'),
            $this->buildControl($type)
        );
    }
}
