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add type checking to class methods

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This commit is contained in:
Huy Pham 2020-04-29 16:36:12 -07:00
parent 275e8f4c30
commit c45202e61b
1 changed files with 11 additions and 7 deletions
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18
daemon/core/gui/dialogs/find.py
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@ -7,7 +7,7 @@ from core.gui.themes import FRAME_PAD, PADX, PADY
class FindDialog(Dialog): class FindDialog(Dialog):
def __init__(self, master, app): def __init__(self, master, app) -> None:
super().__init__(master, app, "Find", modal=True) super().__init__(master, app, "Find", modal=True)
self.find_text = tk.StringVar(value="") self.find_text = tk.StringVar(value="")
@ -16,7 +16,7 @@ class FindDialog(Dialog):
self.protocol("WM_DELETE_WINDOW", self.close_dialog) self.protocol("WM_DELETE_WINDOW", self.close_dialog)
self.bind("<Return>", self.find_node) self.bind("<Return>", self.find_node)
def draw(self): def draw(self) -> None:
self.top.columnconfigure(0, weight=1) self.top.columnconfigure(0, weight=1)
self.top.rowconfigure(0, weight=1) self.top.rowconfigure(0, weight=1)
self.top.rowconfigure(1, weight=5) self.top.rowconfigure(1, weight=5)
@ -75,15 +75,14 @@ class FindDialog(Dialog):
button = ttk.Button(frame, text="Cancel", command=self.close_dialog) button = ttk.Button(frame, text="Cancel", command=self.close_dialog)
button.grid(row=0, column=1, sticky="ew", padx=PADX) button.grid(row=0, column=1, sticky="ew", padx=PADX)
def clear_treeview_items(self): def clear_treeview_items(self) -> None:
""" """
clear all items in the treeview clear all items in the treeview
:return:
""" """
for i in list(self.tree.get_children("")): for i in list(self.tree.get_children("")):
self.tree.delete(i) self.tree.delete(i)
def find_node(self, event=None): def find_node(self, _event: tk.Event = None) -> None:
""" """
Query nodes that have the same node name as our search key, Query nodes that have the same node name as our search key,
display results to tree view display results to tree view
@ -105,11 +104,16 @@ class FindDialog(Dialog):
if results: if results:
self.tree.selection_set(results[0]) self.tree.selection_set(results[0])
def close_dialog(self): def close_dialog(self) -> None:
self.app.canvas.delete("find") self.app.canvas.delete("find")
self.destroy() self.destroy()
def click_select(self, _event: tk.Event = None) -> None: def click_select(self, _event: tk.Event = None) -> None:
"""
find the node that matches search criteria, circle around that node
and scroll the x and y scrollbar to be able to see the node if
it is out of sight
"""
item = self.tree.selection() item = self.tree.selection()
if item: if item:
self.app.canvas.delete("find") self.app.canvas.delete("find")
@ -137,7 +141,7 @@ class FindDialog(Dialog):
# calculate the node's location # calculate the node's location
# (as fractions of white canvas's width and height) # (as fractions of white canvas's width and height)
# and instantly scroll the x and y scrollbar to that location # and instantly scroll the x and y scrollbar to that location
# looks a bit ugly when zoom too much
xscroll_fraction = abs(x0 - _x) / abs(x0 - x1) xscroll_fraction = abs(x0 - _x) / abs(x0 - x1)
yscroll_fraction = abs(y0 - _y) / abs(y0 - y1) yscroll_fraction = abs(y0 - _y) / abs(y0 - y1)
self.app.canvas.xview_moveto(xscroll_fraction) self.app.canvas.xview_moveto(xscroll_fraction)