nicegui 第一次

from nicegui import ui
from ex4nicegui.reactive import rxui
from ex4nicegui import to_ref,ref_computed

class page_data:
    def __init__(self) -> None:

        self.inp_data_1=to_ref('')
        self.inp_data_2=to_ref('')
    def on_click(self):
        print('icon clicked')

    def make_calor(self,ref):
        @ref_computed
        def label_color():
            input_text:str=ref.value
            start_idx=input_text.find("(")
            if start_idx >=0:
                end_idx=input_text.find(")",start_idx)
                if end_idx > start_idx:
                    ret=input_text[start_idx+1:end_idx]
                    return ret
            return 'black'
        return label_color

def page_run():
    data=page_data()
    ui.label("方头狮 博客园")
    inp_1=rxui.input("输入文字",value=data.inp_data_1)
    inp_1.element.props('outlined hint="输入颜色的名称，图标会变色"')
    with inp_1.element.add_slot('append'):
        ic=rxui.icon('event')
        ic.bind_color(data.inp_data_1)
        ic.element.on('click',data.on_click) 

    inp_2=rxui.input("输入文字",value=data.inp_data_2)
    inp_2.element.props('outlined hint="输入的文字如果有\\\"(颜色)\\\"，图标会变色"')
    with inp_2.element.add_slot('append'):
        ic=rxui.icon('event')
        ic.bind_color(data.make_calor(data.inp_data_2))
        ic.element.on('click',data.on_click) 

page_run()
ui.run(port=8890)