2026-05-28 11:46:10 +02:00

301 lines
12 KiB
Python

"""Sidebar — navigation radio, logo, and the workspace file explorer."""
import streamlit as st
from streamlit_arborist import tree_view
from pathlib import Path
from backend.managers.file_manager import FileManager
# Shared FileManager instance for all sidebar operations.
fm = FileManager()
# Maps file extensions (and special keys "folder"/"default") to display emojis
# shown next to each entry in the file tree.
SUFFIX_MAP = {
".py": "🐍", # Python
".js": "🟨", # JavaScript (Gelbes Quadrat/Logo)
".html": "🌐", # HTML (Web)
".css": "🎨", # CSS (Styling)
".json": "📦", # JSON (Datenpaket)
".yaml": "⚙️", # YAML (Konfiguration)
".yml": "⚙️", # YAML
".sh": "🐚", # Bash/Shell (Shell-Icon)
".md": "📝", # Markdown
".txt": "📄", # Text
".tex": "📑", # LaTeX
".c": "🔵", # C (Blaues Icon)
".cpp": "🔷", # C++
".java": "", # Java
"folder": "📁", # Ordner
"default": "📄" # Unbekannt
}
# ── Modals ────────────────────────────────────────────────────────────────────
@st.dialog("Delete Folder")
def _delete_folder_dialog(folder_rel: str, folder_name: str):
"""Confirmation dialog before permanently deleting a folder and its contents."""
st.warning(f"Delete **{folder_name}** and all its contents? This cannot be undone.")
col1, col2 = st.columns(2)
with col1:
if st.button("Delete", type="primary", use_container_width=True):
if fm.delete_folder(folder_rel):
# Clear the selected-folder state so the action bar disappears.
st.session_state.selected_folder = None
st.session_state.selected_folder_rel = None
st.rerun()
else:
st.error("Delete failed.")
with col2:
if st.button("Cancel", use_container_width=True):
st.rerun()
@st.dialog("Add File")
def _add_file_dialog(parent_path: str = ""):
"""Dialog for creating a new file inside the given folder (or workspace root).
Args:
parent_path: Workspace-relative path of the parent folder. Pass an
empty string to create the file at the workspace root.
"""
with st.form("add_file_form"):
name = st.text_input("File name:", placeholder="e.g. script.py")
col1, col2 = st.columns(2)
with col1:
submitted = st.form_submit_button("Create", type="primary", use_container_width=True)
with col2:
cancel = st.form_submit_button("Cancel", use_container_width=True)
if submitted:
if not name.strip():
st.warning("Please enter a file name.")
elif "/" in name or "\\" in name:
st.warning("Name must not contain slashes.")
else:
if fm.create_file(parent_path, name.strip()):
st.rerun()
if cancel:
st.rerun()
@st.dialog("Add Folder")
def _add_folder_dialog(parent_path: str = ""):
"""Dialog for creating a new subfolder inside the given folder (or workspace root).
Args:
parent_path: Workspace-relative path of the parent folder. Pass an
empty string to create the folder at the workspace root.
"""
with st.form("add_folder_form"):
name = st.text_input("Folder name:", placeholder="e.g. utils")
col1, col2 = st.columns(2)
with col1:
submitted = st.form_submit_button("Create", type="primary", use_container_width=True)
with col2:
cancel = st.form_submit_button("Cancel", use_container_width=True)
if submitted:
if not name.strip():
st.warning("Please enter a folder name.")
elif "/" in name or "\\" in name:
st.warning("Name must not contain slashes.")
else:
if fm.create_folder(parent_path, name.strip()):
st.rerun()
if cancel:
st.rerun()
# ── File tree ─────────────────────────────────────────────────────────────────
def build_arborist_tree(tree, parent_path=Path()):
"""Convert the FileManager dict tree into the node format expected by streamlit-arborist.
Folders become nodes with a "children" list; files become leaf nodes
with an emoji prefix derived from their extension.
Args:
tree: Nested dict from FileManager.get_file_tree()
parent_path: Accumulates the relative path while recursing.
Returns:
List of node dicts accepted by tree_view().
"""
nodes = []
for name, content in sorted(tree.items()):
full_path = parent_path / name
node_id = str(full_path.as_posix()) # forward-slash IDs work cross-platform
if isinstance(content, dict):
# Directory — recurse to build child nodes.
nodes.append({
"id": node_id,
"name": f"{name}",
"children": build_arborist_tree(content, full_path)
})
else:
# File — pick an emoji based on extension, fall back to default.
suffix = Path(name).suffix
icon = SUFFIX_MAP.get(suffix, SUFFIX_MAP["default"])
nodes.append({
"id": node_id,
"name": f"{icon} {name}",
"key": f"key_{node_id}"
})
return nodes
def render_filetree_arborist(tree):
"""Render the interactive file tree and return the currently selected node dict.
Passes the active file's relative path as ``selection`` so the tree always
highlights whichever file is currently open in the editor, even when the
user switches tabs instead of clicking the tree.
"""
data = build_arborist_tree(tree)
# Compute the node-ID of the currently active file (posix relative path)
# so the tree highlights it regardless of how the tab was opened.
active_selection = None
active_file = st.session_state.get("active_file")
if active_file:
try:
active_selection = str(Path(active_file).relative_to(fm.base_path).as_posix())
except ValueError:
pass
selected = tree_view(
data=data,
icons={"open": "📂", "closed": "📁"},
height=350,
selection=active_selection,
select_internal_nodes=True, # allow clicking folder names, not just files
open_by_default=True,
)
return selected
# ── Sidebar ───────────────────────────────────────────────────────────────────
def render_sidebar():
"""Render the full sidebar: navigation radio and workspace file explorer.
Tree click handling:
- Clicking a file → appended to open_files, set as active_file
- Clicking a folder → stored in selected_folder so the action bar appears
Navigation flags (_navigate_to_editor, _navigate_to_chat) are consumed here
at the very top — before any widget is rendered — to avoid StreamlitAPIException.
"""
# Consume navigation flags before any widget renders.
if st.session_state.pop("_navigate_to_editor", False):
st.session_state.radio_interface_options = "Code Editor"
if st.session_state.pop("_navigate_to_chat", False):
st.session_state.radio_interface_options = "Chat with AI Assistant"
st.sidebar.title("Navigation")
navigation_section = st.sidebar.container()
file_explorer_section = st.sidebar.container()
with navigation_section:
st.radio(
"Options",
["Chat with AI Assistant", "Code Editor"],
key="radio_interface_options")
st.markdown("---")
with file_explorer_section:
st.subheader("File Explorer")
tree = fm.get_file_tree()
workspace = st.container()
add_more = st.container()
with workspace:
with st.container(border=False):
if not tree:
st.info("Workspace is empty.")
else:
selected = render_filetree_arborist(tree)
if selected:
selected_path = selected.get("id")
# Only react when the user clicks a *different* node to
# avoid re-running on every Streamlit rerender.
if st.session_state.last_selected != selected_path:
st.session_state.last_selected = selected_path
abs_path = fm.base_path / selected_path
if abs_path.is_file():
# Open the file in the editor, jump to its tab,
# and switch the view to the Editor pane.
st.session_state.selected_folder = None
st.session_state.selected_folder_rel = None
file_str = str(abs_path)
if file_str not in st.session_state.open_files:
st.session_state.open_files.append(file_str)
st.session_state.active_file = file_str
st.session_state._jump_to_tab = file_str
st.session_state._navigate_to_editor = True
st.rerun()
elif abs_path.is_dir():
# Select the folder so its action bar appears below.
st.session_state.selected_folder = str(abs_path)
st.session_state.selected_folder_rel = selected_path
st.rerun()
# Folder action bar — rendered unconditionally outside the selection
# block so it persists across reruns even when no new click happens.
if st.session_state.get("selected_folder"):
folder_name = Path(st.session_state.selected_folder).name
folder_rel = st.session_state.selected_folder_rel
with st.container(border=True):
st.write(f"**Folder actions:** 📁 {folder_name}")
if st.button("Add File", key="btn_add_file_in_folder", use_container_width=True):
_add_file_dialog(folder_rel)
if st.button("Add Folder", key="btn_add_folder_in_folder", use_container_width=True):
_add_folder_dialog(folder_rel)
if st.button("Delete Folder", key="btn_delete_folder", use_container_width=True):
_delete_folder_dialog(folder_rel, folder_name)
with add_more:
# Popover for workspace-root actions (not tied to any selected folder).
with st.popover("⚙️ Explorer Options", key="popover_options", use_container_width=True):
if st.button("Add File", key="btn_add_file", use_container_width=True):
_add_file_dialog("")
if st.button("Add Folder", key="btn_add_folder", use_container_width=True):
_add_folder_dialog("")
st.divider()
uploaded = st.file_uploader(
"Upload File",
type=["py", "js", "html", "css", "json", "yaml", "txt", "md"],
key="sidebar_file_upload",
)
if uploaded is not None:
if uploaded.size > 1_000_000:
st.error("File is too large (max 1 MB).")
else:
content = uploaded.getvalue().decode("utf-8", errors="replace")
dest = str(fm.base_path / uploaded.name)
if fm.save_file(dest, content):
st.success(f"'{uploaded.name}' uploaded successfully.")
if __name__ == "__main__":
render_sidebar()