streamlit

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# Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022-2024)
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from datetime import date, datetime
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import streamlit as st
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from streamlit import runtime
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v1 = st.date_input("Single date", date(1970, 1, 1), min_value=date(1970, 1, 1))
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st.write("Value 1:", v1)
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v2 = st.date_input("Single datetime", datetime(2019, 7, 6, 21, 15), help="Help text")
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st.write("Value 2:", v2)
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v3 = st.date_input("Range, no date", [])
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st.write("Value 3:", v3)
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v4 = st.date_input("Range, one date", [date(2019, 7, 6)])
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st.write("Value 4:", v4)
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v5 = st.date_input("Range, two dates", [date(2019, 7, 6), date(2019, 7, 8)])
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st.write("Value 5:", v5)
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v6 = st.date_input("Disabled, no date", [], disabled=True)
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st.write("Value 6:", v6)
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v7 = st.date_input(
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    "Label hidden", datetime(2019, 7, 6, 21, 15), label_visibility="hidden"
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)
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st.write("Value 7:", v7)
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v8 = st.date_input(
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    "Label collapsed", datetime(2019, 7, 6, 21, 15), label_visibility="collapsed"
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)
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st.write("Value 8:", v8)
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v9 = st.date_input("Single date with format", date(1970, 1, 1), format="MM-DD-YYYY")
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st.write("Value 9:", v9)
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v10 = st.date_input(
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    "Range, two dates with format",
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    [date(2019, 7, 6), date(2019, 7, 8)],
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    format="MM/DD/YYYY",
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)
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st.write("Value 10:", v10)
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v11 = st.date_input("Range, no date with format", [], format="DD.MM.YYYY")
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st.write("Value 11:", v11)
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if runtime.exists():
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    def on_change():
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        st.session_state.date_input_changed = True
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        st.text("Date input changed callback")
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    st.date_input(
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        "Single date with callback",
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        date(1970, 1, 1),
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        min_value=date(1970, 1, 1),
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        key="date_input_12",
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        on_change=on_change,
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    )
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    st.write("Value 12:", st.session_state.date_input_12)
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    st.write("Date Input Changed:", st.session_state.get("date_input_changed") is True)
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    # Reset to False:
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    st.session_state.date_input_changed = False
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v13 = st.date_input("Empty value", value=None)
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st.write("Value 13:", v13)
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if "date_input_14" not in st.session_state:
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    st.session_state["date_input_14"] = date(1970, 2, 3)
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v14 = st.date_input(
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    "Value from state",
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    value=None,
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    key="date_input_14",
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)
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st.write("Value 14:", v14)
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