Add files via upload

multipage.py

@@ -0,0 +1,65 @@
+"""
+This file is the framework for generating multiple Streamlit applications
+through an object oriented framework.
+"""
+
+# Import necessary libraries
+import streamlit as st
+from streamlit_option_menu import option_menu
+
+
+# Define the multipage class to manage the multiple apps in our program
+class MultiPage:
+    """Framework for combining multiple streamlit applications."""
+
+    def __init__(self) -> None:
+        """Constructor class to generate a list which will store all our applications as an instance variable."""
+        self.pages = []
+
+    def add_page(self, title, icon, func) -> None:
+        """Class Method to Add pages to the project
+
+        Args:
+            title ([str]): The title of page which we are adding to the list of apps
+
+            func: Python function to render this page in Streamlit
+        """
+
+        self.pages.append(
+            {
+                "title": title,
+                "icon": icon,
+                "function": func
+            }
+        )
+
+    def run(self):
+        # Drodown to select the page to run
+        st.markdown("""
+            <style>
+                section[data-testid="stSidebar"] > div:first-of-type {
+                    background-color: var(--secondary-background-color);
+                    background: var(--secondary-background-color);
+                    width: 250px;
+                    padding: 4rem 0;
+                    box-shadow: -2rem 0px 2rem 2rem rgba(0,0,0,0.16);
+                }
+                section[aria-expanded="true"] > div:nth-of-type(2) {
+                    display: none;
+                }
+                .main > div:first-of-type {
+                    padding: 1rem 0;
+                }
+            </style>
+        """, unsafe_allow_html=True)
+
+        with st.sidebar:
+            selected = option_menu(None, [page["title"] for page in self.pages],
+                                   icons=[page["icon"] for page in self.pages],
+                                   menu_icon="cast", default_index=0)
+
+        # Run the selected page
+        for index, item in enumerate(self.pages):
+            if item["title"] == selected:
+                self.pages[index]["function"]()
+                break