EG/ui/Builtin/LUITabbedFrame.py
2026-02-25 11:49:31 +08:00

88 lines
3.1 KiB
Python

from LUIFrame import LUIFrame
from LUILabel import LUILabel
from LUIObject import LUIObject
from LUIVerticalLayout import LUIVerticalLayout
from LUIHorizontalLayout import LUIHorizontalLayout
class LUITabbedFrame(LUIFrame):
def __init__(self, **kwargs):
super(LUITabbedFrame, self).__init__(**kwargs)
# The main window layout
bar_spacing = kwargs.get('bar_spacing', 3)
self.root_layout = LUIVerticalLayout(parent = self,
spacing = bar_spacing)
self.root_layout.height = "100%"
self.root_layout.width = "100%"
self.root_layout.margin = 0
# The header bar
header_spacing = kwargs.get('header_spacing', 3)
self.header_bar = LUIHorizontalLayout(parent = self.root_layout.cell("?"),
spacing = header_spacing)
self.root_layout.add(self.header_bar, "?")
self.header_to_frame = {}
self.current_frame = None
# The main window contents
self.main_frame = LUIObject()
self.main_frame.height = "100%"
self.main_frame.width = "100%"
self.main_frame.margin = 0
# self.main_frame.padding = 0
self.root_layout.add(self.main_frame, "*")
self.bind("expose", self.on_expose)
self.bind("unexpose", self.on_unexpose)
def add(self, header, frame):
# header
if isinstance(header, str):
header = LUILabel(text = header)
self.header_bar.add(header, "?")
self.header_to_frame[header] = frame
header.solid = True
header.bind("click", self._change_to_tab)
# Frame
frame.parent = self.main_frame
frame.width = "100%"
frame.height = "100%"
# Put frame in front
if self.current_frame is None:
self.current_frame = frame
self.current_frame.show()
else:
frame.hide()
return header
def _find_header_index(self, header):
for idx, child in enumerate(self.header_bar.children):
if any([grandchild == header for grandchild in child.children]):
break
else:
raise ValueError("Given object is not a header bar item.")
return idx
def remove(self, header):
idx = self._find_header_index(header)
self.header_bar.remove_cell(idx)
frame = self.header_to_frame[header]
frame.parent = None
del self.header_to_frame[header]
if self.current_frame == frame:
self.current_frame = None
def _change_to_tab(self, lui_event):
header = lui_event.sender
if self.current_frame is not None:
self.current_frame.trigger_event("unexpose")
self.current_frame.hide()
self.current_frame = self.header_to_frame[header]
self.current_frame.show()
self.current_frame.trigger_event("expose")
def on_expose(self, event):
self.current_frame.trigger_event("expose")
def on_unexpose(self, event):
self.current_frame.trigger_event("unexpose")