Update history_tree.py

This commit is contained in:
2026-01-02 13:33:04 +01:00
committed by GitHub
parent 244f0f44d7
commit 943f964f9b

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@@ -55,22 +55,21 @@ class HistoryTree:
return {"nodes": self.nodes, "branches": self.branches, "head_id": self.head_id} return {"nodes": self.nodes, "branches": self.branches, "head_id": self.head_id}
def generate_horizontal_graph(self): def generate_horizontal_graph(self):
"""Generates a Compact, White-Background Horizontal Graph.""" """Generates a Fixed-Size, Compact Horizontal Graph."""
dot = [ dot = [
'digraph History {', 'digraph History {',
' rankdir=LR;', ' rankdir=LR;',
# 1. Force White Background (Fixes the black/transparent issue) ' bgcolor="white";', # Clean background
' bgcolor="white";',
# 2. TIGHT Layout settings (Fixes "Too Big") # --- COMPACT LAYOUT SETTINGS ---
' nodesep=0.2;', # Closer together horizontally ' nodesep=0.15;', # Horizontal gap between nodes
' ranksep=0.3;', # Closer together vertically ' ranksep=0.25;', # Vertical gap between branches
' ratio=compress;', # Try to compress the drawing
# 3. Small Node Styling # --- FIXED SIZE NODES (The Key Fix) ---
# height=0 forces node to fit text exactly # fixedsize=true: Ignores text length, forces the width/height below.
# margin=0.05 removes internal padding # width=1.2: Sets box width to ~100px
' node [shape=box, style="filled,rounded", fillcolor="#f9f9f9", fontname="Arial", fontsize=9, height=0, margin="0.05,0.05"];', # height=0.4: Sets box height to ~30px
' node [shape=box, style="filled,rounded", fillcolor="#f9f9f9", fontname="Arial", fontsize=9, fixedsize=true, width=1.3, height=0.45];',
' edge [color="#666666", arrowsize=0.5, penwidth=1.0];' ' edge [color="#666666", arrowsize=0.5, penwidth=1.0];'
] ]
@@ -79,26 +78,22 @@ class HistoryTree:
for n in sorted_nodes: for n in sorted_nodes:
nid = n["id"] nid = n["id"]
# 4. Aggressive Text Truncation # Truncate text to fit in the 1.3 inch box
full_note = n.get('note', 'Step') full_note = n.get('note', 'Step')
# Keep only first 12 chars to keep box small short_note = (full_note[:10] + '..') if len(full_note) > 10 else full_note
short_note = (full_note[:12] + '..') if len(full_note) > 12 else full_note
# Use simple label
label = f"{short_note}\\n{nid[:4]}" label = f"{short_note}\\n{nid[:4]}"
# Styling # Colors
color = "#f0f0f0" # Light Grey default color = "#f0f0f0"
penwidth = "1" penwidth = "1"
# Active Node (HEAD) - Yellow
if nid == self.head_id: if nid == self.head_id:
color = "#fff6cd" color = "#fff6cd" # Yellow for Active
penwidth = "2" penwidth = "2"
# Branch Tips - Light Green
if nid in self.branches.values(): if nid in self.branches.values():
if color == "#f0f0f0": color = "#e6ffe6" if color == "#f0f0f0": color = "#e6ffe6" # Green for Branch Tips
dot.append(f' "{nid}" [label="{label}", fillcolor="{color}", penwidth="{penwidth}"];') dot.append(f' "{nid}" [label="{label}", fillcolor="{color}", penwidth="{penwidth}"];')