107 lines
4.6 KiB
Python
107 lines
4.6 KiB
Python
"""Details pane widget: encapsulates the Details LabelFrame, scrollable canvas,
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Treeview and editable form container. Assigns key attributes onto the parent
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MonitorApp so existing code in `monitor.py` can keep referencing
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`self.detail_tree`, `self.detail_form_container`, etc.
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"""
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import tkinter as tk
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from tkinter import ttk
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class DetailsPane:
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def __init__(self, parent, app, width=520, height=540, title='Details'):
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self.app = app
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self.parent = parent
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self.frame = tk.LabelFrame(parent, text=title)
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self.frame.pack(side=tk.RIGHT, fill=tk.Y, expand=False, padx=6)
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self.frame.config(width=width, height=height)
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try:
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self.frame.pack_propagate(False)
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except Exception:
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pass
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tk.Label(self.frame, text="Message details:").pack(anchor=tk.W)
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# canvas + scrollbars
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self._details_canvas = tk.Canvas(self.frame, highlightthickness=0)
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self._details_canvas.pack(side=tk.LEFT, fill=tk.BOTH, expand=True, padx=(6,0), pady=6)
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vsb = ttk.Scrollbar(self.frame, orient=tk.VERTICAL, command=self._details_canvas.yview)
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hsb = ttk.Scrollbar(self.frame, orient=tk.HORIZONTAL, command=self._details_canvas.xview)
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self._details_canvas.configure(yscrollcommand=vsb.set, xscrollcommand=hsb.set)
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vsb.pack(side=tk.RIGHT, fill=tk.Y)
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hsb.pack(side=tk.BOTTOM, fill=tk.X)
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self._details_canvas_frame = tk.Frame(self._details_canvas)
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self._details_canvas_window = self._details_canvas.create_window((0, 0), window=self._details_canvas_frame, anchor='nw')
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def _on_frame_configure(event):
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try:
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self._details_canvas.configure(scrollregion=self._details_canvas.bbox('all'))
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except Exception:
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pass
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def _on_canvas_configure(event):
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try:
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canvas_width = event.width
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self._details_canvas.itemconfigure(self._details_canvas_window, width=canvas_width)
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except Exception:
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pass
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self._details_canvas_frame.bind('<Configure>', _on_frame_configure)
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self._details_canvas.bind('<Configure>', _on_canvas_configure)
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# details Treeview (kept for backwards compatibility but not packed)
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self.detail_tree = ttk.Treeview(self._details_canvas_frame, columns=("param", "value"), show="headings", height=18)
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self.detail_tree.heading("param", text="Parameter")
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self.detail_tree.heading("value", text="Value")
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self.detail_tree.column("param", width=260)
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self.detail_tree.column("value", width=420)
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try:
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self.detail_tree.configure() # placeholder to satisfy possible callers
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except Exception:
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pass
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# form container in the interior frame so it scrolls with canvas
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self.detail_form_container = tk.Frame(self._details_canvas_frame)
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# ensure the form container is visible by default (the form builder will
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# populate it). We do not pack the Treeview to avoid an empty tree
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# overlaying the form; the form is the primary details UI.
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try:
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self.detail_form_container.pack(side=tk.LEFT, fill=tk.BOTH, expand=True, padx=2, pady=2)
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except Exception:
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pass
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# assign attributes onto the app so existing MonitorApp code works
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setattr(app, 'detail_tree', self.detail_tree)
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setattr(app, '_details_canvas', self._details_canvas)
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setattr(app, '_details_canvas_frame', self._details_canvas_frame)
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setattr(app, '_details_canvas_window', self._details_canvas_window)
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setattr(app, 'detail_form_container', self.detail_form_container)
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# default holders
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setattr(app, 'form_widgets', {})
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setattr(app, 'current_form_label', None)
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setattr(app, 'current_msg_wrapper', None)
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setattr(app, 'detail_rows', {})
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setattr(app, 'detail_selected_label', None)
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setattr(app, 'detail_accessors', {})
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setattr(app, '_flash_items', {})
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setattr(app, '_last_detail_update', 0.0)
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# bind double-click to parent's handler if present
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try:
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if hasattr(app, 'on_detail_double_click'):
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self.detail_tree.bind('<Double-1>', app.on_detail_double_click)
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except Exception:
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pass
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# expose convenience attributes
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self.vsb = vsb
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self.hsb = hsb
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# small helper to pack the form container when needed
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def show_form_container(self):
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try:
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self.detail_form_container.pack(side=tk.LEFT, fill=tk.BOTH, expand=True)
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except Exception:
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pass
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__all__ = ['DetailsPane']
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