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import streamlit as st
# code for fixing the issue with streamlit tabs rendering height 0 when not active
# https://github.com/streamlit/streamlit/issues/7376
#
# see also https://github.com/randyzwitch/streamlit-folium/issues/128, got
# closed becasue it is apparently a st.tabs problem
import uuid, html
# workaround for streamlit making tabs height 0 when not active, breaks map
def inject_iframe_js_code(source: str) -> None:
div_id = uuid.uuid4()
st.markdown(
f"""
<div style="height: 0; width: 0; overflow: hidden;" id="{div_id}">
<iframe src="javascript: \
var script = document.createElement('script'); \
script.type = 'text/javascript'; \
script.text = {html.escape(repr(source))}; \
var div = window.parent.document.getElementById('{div_id}'); \
div.appendChild(script); \
setTimeout(function() {{ }}, 0); \
"></iframe>
</div>
""",
unsafe_allow_html=True,
)
def js_show_zeroheight_iframe(component_iframe_title: str, height: str = "auto"):
source = f"""
(function() {{
var attempts = 0;
const maxAttempts = 20; // Max attempts to find the iframe
const intervalMs = 250; // Interval between attempts in milliseconds
function setIframeHeight() {{
const intervalId = setInterval(function() {{
var iframes = document.querySelectorAll('iframe[title="{component_iframe_title}"]');
if (iframes.length > 0 || attempts > maxAttempts) {{
if (iframes.length > 0) {{
iframes.forEach(iframe => {{
if (iframe || iframe.height === "0" || iframe.style.height === "0px") {{
iframe.style.height = "{height}";
iframe.setAttribute("height", "{height}");
console.log('Height of iframe with title "{component_iframe_title}" set to {height}.');
}}
}});
}} else {{
console.log('Iframes with title "{component_iframe_title}" not found after ' + maxAttempts + ' attempts.');
}}
clearInterval(intervalId); // Stop checking
}}
attempts++;
}}, intervalMs);
}}
function trackInteraction(event) {{
console.log('User interaction detected:', event.type);
setIframeHeight();
}}
setIframeHeight();
document.addEventListener('click', trackInteraction);
}})();
"""
inject_iframe_js_code(source)
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