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Initial feature incomplete tree widget

pull/17/head
Eugenio Parodi 4 years ago
parent
f94e89d215
commit
659fefd2ec
8 changed files with 273 additions and 69 deletions
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  1. 9
      TermTk/TTkGui/theme.py
  2. 6
      TermTk/TTkWidgets/splitter.py
  3. 150
      TermTk/TTkWidgets/treewidget.py
  4. 10
      TermTk/TTkWidgets/treewidgetitem.py
  5. 10
      demo/demo.py
  6. 4
      demo/showcase/fancytable.py
  7. 119
      demo/showcase/fancytree.py
  8. 34
      demo/showcase/tree.py

9
TermTk/TTkGui/theme.py
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@ -115,8 +115,6 @@ class TTkTheme():
└ ─ ┴ ┘
'''
buttonBox = (
('┌','─','┐',
'│',' ','│',
@ -136,6 +134,10 @@ class TTkTheme():
hscroll = ('◀','┄','▓','▶')
vscroll = ('▲','┊','▓','▼')
tree = ('•','▶','▼',' ',
'│','╿')
# 0 1 2 3 4 5
menuBar = ('├','─','┤','┄','┄','▶')
@ -268,3 +270,6 @@ class TTkTheme():
tabOffsetColorFocus = tabOffsetColor
tabBorderColorFocus = TTkColor.fg("#ffff88")
tabSelectColorFocus = TTkColor.fg("#ffff88")+TTkColor.bg("#000066")+TTkColor.BOLD
treeHeaderColor = TTkColor.fg("#ffffff")+TTkColor.bg("#444444")+TTkColor.BOLD
treeSelectedColor = TTkColor.fg("#ffff88")+TTkColor.bg("#000066")+TTkColor.BOLD

6
TermTk/TTkWidgets/splitter.py
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@ -32,7 +32,7 @@ class TTkSplitter(TTkFrame):
__slots__ = (
'_splitterInitialized', '_orientation',
'_separators', '_separatorsRef', '_sizeRef', '_initSizes',
'_separatorSelected', '_mouseDelta')
'_separatorSelected')
def __init__(self, *args, **kwargs):
self._splitterInitialized = False
# self._splitterInitialized = True
@ -194,11 +194,9 @@ class TTkSplitter(TTkFrame):
def mousePressEvent(self, evt):
self._separatorSelected = None
self._mouseDelta = (evt.x, evt.y)
x,y = evt.x, evt.y
# TTkLog.debug(f"{self._separators} {evt}")
for i in range(len(self._separators)):
val = self._separators[i]
for i, val in enumerate(self._separators):
if self._orientation == TTkK.HORIZONTAL:
if x == val:
self._separatorSelected = i

150
TermTk/TTkWidgets/treewidget.py
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@ -22,22 +22,40 @@
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
from TermTk.TTkCore.cfg import TTkCfg
from TermTk.TTkCore.color import TTkColor
from TermTk.TTkCore.constant import TTkK
from TermTk.TTkCore.log import TTkLog
from TermTk.TTkWidgets.treewidgetitem import TTkTreeWidgetItem
from TermTk.TTkAbstract.abstractscrollarea import TTkAbstractScrollView
from TermTk.TTkCore.signal import pyTTkSlot
from dataclasses import dataclass
class TTkTreeWidget(TTkAbstractScrollView):
__slots__ = ( '_items', '_header', '_columnsPos', '_cache', '_selected')
__slots__ = ( '_items', '_header', '_columnsPos', '_cache',
'_selectedId', '_selected', '_separatorSelected', '_mouseDelta',
'_headerColor', '_selectedColor')
@dataclass(frozen=True)
class _Cache:
item: TTkTreeWidgetItem
level: int
data: list
def __init__(self, *args, **kwargs):
super().__init__(self, *args, **kwargs)
self._name = kwargs.get('name' , 'TTkTreeView' )
self._selected = -1
self._selected = None
self._selectedId = None
self._separatorSelected = None
self._items = []
self._header = kwargs.get('header',[])
self._columnsPos = []
self._cache = []
self._headerColor = kwargs.get('headerColor',TTkCfg.theme.treeHeaderColor)
self._selectedColor = kwargs.get('selectedColor',TTkCfg.theme.treeSelectedColor)
self.setMinimumHeight(1)
self.setFocusPolicy(TTkK.ClickFocus)
# Overridden function
def viewFullAreaSize(self) -> (int, int):
@ -70,80 +88,140 @@ class TTkTreeWidget(TTkAbstractScrollView):
_, oy = self.getViewOffsets()
y -= 1-oy
if 0 <= y < len(self._cache):
item = self._cache[y][0]
item = self._cache[y].item
item.setExpanded(not item.isExpanded())
self._selected = y
if self._selected:
self._selected.setSelected(False)
self._selectedId = y
self._selected = item
self._selected.setSelected(True)
self.update()
return True
def focusOutEvent(self):
self._separatorSelected = None
def mousePressEvent(self, evt):
x,y = evt.x, evt.y
ox, oy = self.getViewOffsets()
y += oy-1
x += ox
self._separatorSelected = None
self._mouseDelta = (evt.x, evt.y)
# Handle Header Events
if y == 0:
for i, c in enumerate(self._columnsPos):
if x == c:
self._separatorSelected = i
self.update()
return True
# Handle Tree/Table Events
y += oy-1
if 0 <= y < len(self._cache):
item = self._cache[y][0]
level = self._cache[y][1]
item = self._cache[y].item
level = self._cache[y].level
if level*2 <= x < level*2+3:
item.setExpanded(not item.isExpanded())
else:
self._selected = y
if self._selected:
self._selected.setSelected(False)
self._selectedId = y
self._selected = item
self._selected.setSelected(True)
self.update()
return True
def mouseDragEvent(self, evt):
'''
::
columnPos (Selected = 2)
0 1 2 3 4
----|-------|--------|----------|---|
Mouse (Drag) Pos
^
I consider at least 4 char (3+1) as spacing
Min Selected Pos = (Selected+1) * 4
'''
if self._separatorSelected is not None:
x,y = evt.x, evt.y
ox, oy = self.getViewOffsets()
y += oy
x += ox
ss = self._separatorSelected
pos = max((ss+1)*4, x)
self._columnsPos[ss] = pos
# Align the previous Separators if pushed
for i in range(ss):
self._columnsPos[i] = min(self._columnsPos[i], pos-(ss-i)*4)
# Align the next Separators if pushed
for i in range(ss, len(self._columnsPos)):
self._columnsPos[i] = max(self._columnsPos[i], pos+(i-ss)*4)
self.update()
self.viewChanged.emit()
return True
return False
@pyTTkSlot()
def _refreshCache(self):
''' I save a representation fo the displayed tree in a cache array
to avoid eccessve recursion over the items and
identify quickly the nth displayed line to improve the interaction
_cache is an array of:
[ item, level, txtCol1, txtCol2, txtCol3, ... ]
_cache is an array of TTkTreeWidget._Cache:
[ item, level, data=[txtCol1, txtCol2, txtCol3, ... ]]
'''
self._cache = []
def _addToCache(_child, _level):
_entry = [_child, _level]
tt = TTkCfg.theme.tree
_data = []
for _il in range(len(self._header)):
_entry.append(_child.data(_il))
self._cache.append(_entry)
_data.append(_child.data(_il))
if not _child.children():
_data[0] = f"{' '*_level} {tt[0]} {_data[0]}"
elif _child.isExpanded():
_data[0] = f"{' '*_level} {tt[2]} {_data[0]}"
else:
_data[0] = f"{' '*_level} {tt[1]} {_data[0]}"
self._cache.append(TTkTreeWidget._Cache(
item = _child,
level = _level,
data = _data))
if _child.isExpanded():
for _c in _child.children():
_addToCache(_c, _level+1)
for c in self._items:
_addToCache(c,0)
self.update()
self.viewChanged.emit()
def paintEvent(self):
x,y = self.getViewOffsets()
w,h = self.size()
tt = TTkCfg.theme.tree
# Draw header first:
for i,l in enumerate(self._header):
hx = 0 if i==0 else self._columnsPos[i-1]+1
self._canvas.drawText(pos=(hx-x,0), text=l)
hx = 0 if i==0 else self._columnsPos[i-1]+1
hx1 = self._columnsPos[i]
self._canvas.drawText(pos=(hx-x,0), text=l, width=hx1-hx, color=self._headerColor)
# Draw header separators
for sx in self._columnsPos:
self._canvas.drawText(pos=(sx-x,0), text='|')
self._canvas.drawChar(pos=(sx-x,0), char=tt[5], color=self._headerColor)
for sy in range(1,h):
self._canvas.drawChar(pos=(sx-x,sy), char=tt[4])
# Draw cache
for i, l in enumerate(self._cache):
for i, c in enumerate(self._cache):
if i-y<0 : continue
item = l[0]
level = l[1]
l1 = l[2]
if not item.children():
l1 = ' '*level + " • " + l1
elif item.isExpanded():
l1 = ' '*level + " ▼ " + l1
else:
l1 = ' '*level + " ▶ " + l1
self._canvas.drawText(pos=(-x,i-y+1), text=l1)
for il in range(1,len(self._header)):
lx = self._columnsPos[il-1]+1
self._canvas.drawText(pos=(lx-x,i-y+1), text=l[2+il])
item = c.item
level = c.level
color = self._selectedColor if item.isSelected() else TTkColor.RST
for il in range(len(self._header)):
lx = 0 if il==0 else self._columnsPos[il-1]+1
lx1 = self._columnsPos[il]
self._canvas.drawText(pos=(lx-x,i-y+1), text=c.data[il], width=lx1-lx, color=color)

10
TermTk/TTkWidgets/treewidgetitem.py
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@ -30,7 +30,8 @@ from TermTk.TTkAbstract.abstractitemmodel import TTkAbstractItemModel
class TTkTreeWidgetItem(TTkAbstractItemModel):
__slots__ = ('_parent', '_data', '_children', '_expanded', '_childIndicatorPolicy',
__slots__ = ('_parent', '_data', '_children', '_expanded', '_selected',
'_childIndicatorPolicy',
# Signals
'refreshData')
@ -43,6 +44,7 @@ class TTkTreeWidgetItem(TTkAbstractItemModel):
self._parent = kwargs.get('parent', None)
self._childIndicatorPolicy = kwargs.get('childIndicatorPolicy', TTkK.DontShowIndicatorWhenChildless)
self._expanded = False
self._selected = False
self._parent = kwargs.get("parent", None)
def addChild(self, child):
@ -79,12 +81,18 @@ class TTkTreeWidgetItem(TTkAbstractItemModel):
self._expanded = expand
self.emitDataChanged()
def setSelected(self, select):
self._selected = select
# def isDisabled():
# pass
def isExpanded(self):
return self._expanded
def isSelected(self):
return self._selected
def size(self):
if self._expanded:
return 1 + sum([c.size() for c in self._children])

10
demo/demo.py
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@ -32,9 +32,7 @@ import TermTk as ttk
from showcase.layout_basic import demoLayout
from showcase.layout_nested import demoLayoutNested
from showcase.layout_span import demoLayoutSpan
from showcase.table import demoTable
from showcase.tab import demoTab
from showcase.tree import demoTree
from showcase.graph import demoGraph
from showcase.splitter import demoSplitter
from showcase.windows import demoWindows
@ -43,6 +41,9 @@ from showcase.scrollarea import demoScrollArea
from showcase.list import demoList
from showcase.menubar import demoMenuBar
from showcase.colorpicker import demoColorPicker
from showcase.tree import demoTree
from showcase.fancytable import demoFancyTable
from showcase.fancytree import demoFancyTree
words = ["Lorem", "ipsum", "dolor", "sit", "amet,", "consectetur", "adipiscing", "elit,", "sed", "do", "eiusmod", "tempor", "incididunt", "ut", "labore", "et", "dolore", "magna", "aliqua.", "Ut", "enim", "ad", "minim", "veniam,", "quis", "nostrud", "exercitation", "ullamco", "laboris", "nisi", "ut", "aliquip", "ex", "ea", "commodo", "consequat.", "Duis", "aute", "irure", "dolor", "in", "reprehenderit", "in", "voluptate", "velit", "esse", "cillum", "dolore", "eu", "fugiat", "nulla", "pariatur.", "Excepteur", "sint", "occaecat", "cupidatat", "non", "proident,", "sunt", "in", "culpa", "qui", "officia", "deserunt", "mollit", "anim", "id", "est", "laborum."]
def getWord():
@ -78,9 +79,10 @@ def demoShowcase(root=None, border=True):
tabWidgets = ttk.TTkTabWidget(parent=mainFrame, border=False, visible=False)
tabWidgets.addTab(demoFormWidgets(), " Form Test ")
tabWidgets.addTab(demoList(), " List Test ")
tabWidgets.addTab(demoTable(), " Table Test ")
tabWidgets.addTab(demoTree(), " Tree Test ")
tabWidgets.addTab(demoTree(), " Tree Test")
tabWidgets.addTab(demoTab(), " Tab Test ")
tabWidgets.addTab(demoFancyTable(), " Old Table ")
tabWidgets.addTab(demoFancyTree(), " Old Tree ")
listMenu.addItem(f"Pickers")
tabPickers = ttk.TTkTabWidget(parent=mainFrame, border=False, visible=False)

4
demo/showcase/table.py → demo/showcase/fancytable.py
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@ -36,7 +36,7 @@ def getSentence(a,b):
table_ii = 1000
def demoTable(root=None):
def demoFancyTable(root=None):
frame = ttk.TTkFrame(parent=root, border=False, layout=ttk.TTkVBoxLayout())
top = ttk.TTkFrame(parent=frame, border=False, layout=ttk.TTkHBoxLayout())
btn1 = ttk.TTkButton(parent=top, maxHeight=3, border=True, text='Add')
@ -88,7 +88,7 @@ def main():
root = ttk.TTk()
win_table = ttk.TTkWindow(parent=root,pos = (3,3), size=(150,40), title="Test Table 1", layout=ttk.TTkHBoxLayout(), border=True)
demoTable(win_table)
demoFancyTable(win_table)
root.mainloop()
if __name__ == "__main__":

119
demo/showcase/fancytree.py
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@ -0,0 +1,119 @@
#!/usr/bin/env python3
# MIT License
#
# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# Demo inspired from:
# https://stackoverflow.com/questions/41204234/python-pyqt5-qtreewidget-sub-item
import os
import sys
import random
import argparse
sys.path.append(os.path.join(sys.path[0],'../..'))
import TermTk as ttk
words = ["Lorem", "ipsum", "dolor", "sit", "amet,", "consectetur", "adipiscing", "elit,", "sed", "do", "eiusmod", "tempor", "incididunt", "ut", "labore", "et", "dolore", "magna", "aliqua.", "Ut", "enim", "ad", "minim", "veniam,", "quis", "nostrud", "exercitation", "ullamco", "laboris", "nisi", "ut", "aliquip", "ex", "ea", "commodo", "consequat.", "Duis", "aute", "irure", "dolor", "in", "reprehenderit", "in", "voluptate", "velit", "esse", "cillum", "dolore", "eu", "fugiat", "nulla", "pariatur.", "Excepteur", "sint", "occaecat", "cupidatat", "non", "proident,", "sunt", "in", "culpa", "qui", "officia", "deserunt", "mollit", "anim", "id", "est", "laborum."]
def getWord():
return random.choice(words)
def getSentence(a,b):
return " ".join([getWord() for i in range(0,random.randint(a,b))])
def demoFancyTree(root=None):
# tw = ttk.TTkFancyTreeWidget(parent=rootTree1)
tw = ttk.TTkFancyTree(parent=root)
tw.setHeaderLabels(["Column 1", "Column 2", "Column 3"])
tw.setColumnSize((-1,20,20))
tw.setColumnColors((
ttk.TTkColor.RST,
ttk.TTkColor.fg('#00dddd', modifier=ttk.TTkColorGradient(increment=-4)),
ttk.TTkColor.fg('#cccc00', modifier=ttk.TTkColorGradient(increment=-2))
))
l1 = ttk.TTkFancyTreeWidgetItem(["String A", "String B", "String C"])
l2 = ttk.TTkFancyTreeWidgetItem(["String AA", "String BB", "String CC"])
l3 = ttk.TTkFancyTreeWidgetItem(["String AAA", "String BBB", "String CCC"])
l4 = ttk.TTkFancyTreeWidgetItem(["String AAAA", "String BBBB", "String CCCC"])
l5 = ttk.TTkFancyTreeWidgetItem(["String AAAAA", "String BBBBB", "String CCCCC"])
l2.addChild(l5)
for i in range(3):
l1_child = ttk.TTkFancyTreeWidgetItem(["Child A" + str(i), "Child B" + str(i), "Child C" + str(i)])
l1.addChild(l1_child)
for j in range(2):
l2_child = ttk.TTkFancyTreeWidgetItem(["Child AA" + str(j), "Child BB" + str(j), "Child CC" + str(j)])
l2.addChild(l2_child)
for j in range(2):
l3_child = ttk.TTkFancyTreeWidgetItem(["Child AAA" + str(j), "Child BBB" + str(j), "Child CCC" + str(j)])
l3.addChild(l3_child)
for j in range(2):
l4_child = ttk.TTkFancyTreeWidgetItem(["Child AAAA" + str(j), "Child BBBB" + str(j), "Child CCCC" + str(j)])
l4.addChild(l4_child)
for j in range(2):
l5_child = ttk.TTkFancyTreeWidgetItem(["Child AAAAA" + str(j), "Child BBBBB" + str(j), "Child CCCCC" + str(j)])
l5.addChild(l5_child)
l6 = ttk.TTkFancyTreeWidgetItem(["RND", "RND", "RND"], childIndicatorPolicy=ttk.TTkK.ShowIndicator)
def updateChildren(item):
if item.children(): return
for _ in range(0,random.randint(3,8)):
child = ttk.TTkFancyTreeWidgetItem([getWord(),getWord(),getWord()])
if random.randint(0,10)>5:
child.setChildIndicatorPolicy(ttk.TTkK.ShowIndicator)
child.refreshData.connect(updateChildren)
item.addChild(child)
l6.refreshData.connect(updateChildren)
tw.addTopLevelItem(l1)
tw.addTopLevelItem(l2)
tw.addTopLevelItem(l3)
tw.addTopLevelItem(l4)
tw.addTopLevelItem(l6)
return tw
def main():
parser = argparse.ArgumentParser()
parser.add_argument('-f', help='Full Screen', action='store_true')
args = parser.parse_args()
ttk.TTkLog.use_default_file_logging()
root = ttk.TTk()
if args.f:
rootTree1 = root
root.setLayout(ttk.TTkGridLayout())
else:
rootTree1 = ttk.TTkWindow(parent=root,pos = (0,0), size=(70,40), title="Test Tree 1", layout=ttk.TTkGridLayout(), border=True)
demoFancyTree(rootTree1)
root.mainloop()
if __name__ == "__main__":
main()

34
demo/showcase/tree.py
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@ -40,49 +40,43 @@ def getSentence(a,b):
return " ".join([getWord() for i in range(0,random.randint(a,b))])
def demoTree(root=None):
# tw = ttk.TTkFancyTreeWidget(parent=rootTree1)
tw = ttk.TTkFancyTree(parent=root)
tw = ttk.TTkTree(parent=root)
tw.setHeaderLabels(["Column 1", "Column 2", "Column 3"])
tw.setColumnSize((-1,20,20))
tw.setColumnColors((
ttk.TTkColor.RST,
ttk.TTkColor.fg('#00dddd', modifier=ttk.TTkColorGradient(increment=-4)),
ttk.TTkColor.fg('#cccc00', modifier=ttk.TTkColorGradient(increment=-2))
))
l1 = ttk.TTkFancyTreeWidgetItem(["String A", "String B", "String C"])
l2 = ttk.TTkFancyTreeWidgetItem(["String AA", "String BB", "String CC"])
l3 = ttk.TTkFancyTreeWidgetItem(["String AAA", "String BBB", "String CCC"])
l4 = ttk.TTkFancyTreeWidgetItem(["String AAAA", "String BBBB", "String CCCC"])
l5 = ttk.TTkFancyTreeWidgetItem(["String AAAAA", "String BBBBB", "String CCCCC"])
l1 = ttk.TTkTreeWidgetItem(["String A", "String B", "String C"])
l2 = ttk.TTkTreeWidgetItem(["String AA", "String BB", "String CC"])
l3 = ttk.TTkTreeWidgetItem(["String AAA", "String BBB", "String CCC"])
l4 = ttk.TTkTreeWidgetItem(["String AAAA", "String BBBB", "String CCCC"])
l5 = ttk.TTkTreeWidgetItem(["String AAAAA", "String BBBBB", "String CCCCC"])
l2.addChild(l5)
for i in range(3):
l1_child = ttk.TTkFancyTreeWidgetItem(["Child A" + str(i), "Child B" + str(i), "Child C" + str(i)])
l1_child = ttk.TTkTreeWidgetItem(["Child A" + str(i), "Child B" + str(i), "Child C" + str(i)])
l1.addChild(l1_child)
for j in range(2):
l2_child = ttk.TTkFancyTreeWidgetItem(["Child AA" + str(j), "Child BB" + str(j), "Child CC" + str(j)])
l2_child = ttk.TTkTreeWidgetItem(["Child AA" + str(j), "Child BB" + str(j), "Child CC" + str(j)])
l2.addChild(l2_child)
for j in range(2):
l3_child = ttk.TTkFancyTreeWidgetItem(["Child AAA" + str(j), "Child BBB" + str(j), "Child CCC" + str(j)])
l3_child = ttk.TTkTreeWidgetItem(["Child AAA" + str(j), "Child BBB" + str(j), "Child CCC" + str(j)])
l3.addChild(l3_child)
for j in range(2):
l4_child = ttk.TTkFancyTreeWidgetItem(["Child AAAA" + str(j), "Child BBBB" + str(j), "Child CCCC" + str(j)])
l4_child = ttk.TTkTreeWidgetItem(["Child AAAA" + str(j), "Child BBBB" + str(j), "Child CCCC" + str(j)])
l4.addChild(l4_child)
for j in range(2):
l5_child = ttk.TTkFancyTreeWidgetItem(["Child AAAAA" + str(j), "Child BBBBB" + str(j), "Child CCCCC" + str(j)])
l5_child = ttk.TTkTreeWidgetItem(["Child AAAAA" + str(j), "Child BBBBB" + str(j), "Child CCCCC" + str(j)])
l5.addChild(l5_child)
l6 = ttk.TTkFancyTreeWidgetItem(["RND", "RND", "RND"], childIndicatorPolicy=ttk.TTkK.ShowIndicator)
l6 = ttk.TTkTreeWidgetItem(["RND", "RND", "RND"], childIndicatorPolicy=ttk.TTkK.ShowIndicator)
def updateChildren(item):
if item.children(): return
for _ in range(0,random.randint(3,8)):
child = ttk.TTkFancyTreeWidgetItem([getWord(),getWord(),getWord()])
child = ttk.TTkTreeWidgetItem([getWord(),getWord(),getWord()])
if random.randint(0,10)>5:
child.setChildIndicatorPolicy(ttk.TTkK.ShowIndicator)
child.refreshData.connect(updateChildren)

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