pygui: added support for a details pane, can be toggled on/off, can be used to quickly view details for nodes or links

daemon/core/gui/app.py

@@ -3,7 +3,7 @@ import math
 import tkinter as tk
 from tkinter import PhotoImage, font, ttk
 from tkinter.ttk import Progressbar
-from typing import Dict, Optional
+from typing import Any, Dict, Optional, Type
 
 import grpc
 
@@ -11,11 +11,14 @@ from core.gui import appconfig, themes
 from core.gui.appconfig import GuiConfig
 from core.gui.coreclient import CoreClient
 from core.gui.dialogs.error import ErrorDialog
+from core.gui.frames.base import InfoFrameBase
+from core.gui.frames.default import DefaultInfoFrame
 from core.gui.graph.graph import CanvasGraph
 from core.gui.images import ImageEnum, Images
 from core.gui.menubar import Menubar
 from core.gui.nodeutils import NodeUtils
 from core.gui.statusbar import StatusBar
+from core.gui.themes import PADY
 from core.gui.toolbar import Toolbar
 
 WIDTH: int = 1000
@@ -35,6 +38,9 @@ class Application(ttk.Frame):
         self.canvas: Optional[CanvasGraph] = None
         self.statusbar: Optional[StatusBar] = None
         self.progress: Optional[Progressbar] = None
+        self.infobar: Optional[ttk.Frame] = None
+        self.info_frame: Optional[InfoFrameBase] = None
+        self.show_infobar: tk.BooleanVar = tk.BooleanVar(value=False)
 
         # fonts
         self.fonts_size: Dict[str, int] = {}
@@ -113,16 +119,27 @@ class Application(ttk.Frame):
         self.right_frame.rowconfigure(0, weight=1)
         self.right_frame.grid(row=0, column=1, sticky="nsew")
         self.draw_canvas()
+        self.draw_infobar()
         self.draw_status()
         self.progress = Progressbar(self.right_frame, mode="indeterminate")
         self.menubar = Menubar(self)
         self.master.config(menu=self.menubar)
 
+    def draw_infobar(self) -> None:
+        self.infobar = ttk.Frame(self.right_frame, padding=5, relief=tk.RAISED)
+        self.infobar.columnconfigure(0, weight=1)
+        self.infobar.rowconfigure(1, weight=1)
+        label_font = font.Font(weight=font.BOLD, underline=tk.TRUE)
+        label = ttk.Label(
+            self.infobar, text="Details", anchor=tk.CENTER, font=label_font
+        )
+        label.grid(sticky=tk.EW, pady=PADY)
+
     def draw_canvas(self) -> None:
         canvas_frame = ttk.Frame(self.right_frame)
         canvas_frame.rowconfigure(0, weight=1)
         canvas_frame.columnconfigure(0, weight=1)
-        canvas_frame.grid(sticky="nsew", pady=1)
+        canvas_frame.grid(row=0, column=0, sticky="nsew", pady=1)
         self.canvas = CanvasGraph(canvas_frame, self, self.core)
         self.canvas.grid(sticky="nsew")
         scroll_y = ttk.Scrollbar(canvas_frame, command=self.canvas.yview)
@@ -136,7 +153,31 @@ class Application(ttk.Frame):
 
     def draw_status(self) -> None:
         self.statusbar = StatusBar(self.right_frame, self)
-        self.statusbar.grid(sticky="ew")
+        self.statusbar.grid(sticky="ew", columnspan=2)
+
+    def display_info(self, frame_class: Type[InfoFrameBase], **kwargs: Any) -> None:
+        if not self.show_infobar.get():
+            return
+        self.clear_info()
+        self.info_frame = frame_class(self.infobar, **kwargs)
+        self.info_frame.draw()
+        self.info_frame.grid(sticky="nsew")
+
+    def clear_info(self) -> None:
+        if self.info_frame:
+            self.info_frame.destroy()
+            self.info_frame = None
+
+    def default_info(self) -> None:
+        self.clear_info()
+        self.display_info(DefaultInfoFrame, app=self)
+
+    def show_info(self) -> None:
+        self.default_info()
+        self.infobar.grid(row=0, column=1, sticky="nsew")
+
+    def hide_info(self) -> None:
+        self.infobar.grid_forget()
 
     def show_grpc_exception(self, title: str, e: grpc.RpcError) -> None:
         logging.exception("app grpc exception", exc_info=e)