隐藏wx.GridBagSizer中的行
到目前为止，这是我的代码：
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import wx, wx.lib.mixins.listctrl as wxlc
class EditVariable(wx.Dialog):
def __init__(self, parent, data=None):
wx.Dialog.__init__(self, parent, title='VQ: Edit Variable')
sizer = wx.BoxSizer(wx.VERTICAL)
grid = wx.GridBagSizer(6, 6)
grid.AddGrowableCol(1)
grid.Add(wx.StaticText(self, label='Type:'), (0,0))
self.choType = wx.Choice(self, choices=['Distributed value',
'Enumerated choice'])
self.choType.Bind(wx.EVT_CHOICE, self.choType_change)
grid.Add(self.choType, (0,1), flag=wx.EXPAND)
self.lblDistribution = wx.StaticText(self, label='Distribution:')
self.choDistribution = wx.Choice(self, choices=['Normal',
'Uniform',
'Uniform discrete',
'Geometric',
'Binomial',
'Poisson'])
grid.Add(self.lblDistribution, (1,0))
grid.Add(self.choDistribution, (1,1), flag=wx.EXPAND)
self.choDistribution.Bind(wx.EVT_CHOICE, self.choDistribution_change)
self.lblMean = wx.StaticText(self, label='Mean:')
self.txtMean = wx.TextCtrl(self)
grid.Add(self.lblMean, (2,0))
grid.Add(self.txtMean, (2,1), flag=wx.EXPAND)
self.lblVariance = wx.StaticText(self, label='Variance:')
self.txtVariance = wx.TextCtrl(self)
grid.Add(self.lblVariance, (3,0))
grid.Add(self.txtVariance, (3,1), flag=wx.EXPAND)
self.lblStep = wx.StaticText(self, label='Step:')
self.txtStep = wx.TextCtrl(self)
grid.Add(self.lblStep, (4,0))
grid.Add(self.txtStep, (4,1), flag=wx.EXPAND)
self.lblSigFigs = wx.StaticText(self, label='Significant figures:')
self.txtSigFigs = wx.TextCtrl(self)
grid.Add(self.lblSigFigs, (5,0))
grid.Add(self.txtSigFigs, (5,1), flag=wx.EXPAND)
self.lstEnum = EditListCtrl(self)
self.lstEnum.InsertColumn(0, 'Text')
self.lstEnum.InsertColumn(1, 'Value')
self.lstEnum.SetColumnWidth(0, wx.LIST_AUTOSIZE_USEHEADER)
self.lstEnum.SetColumnWidth(1, wx.LIST_AUTOSIZE_USEHEADER)
self.lstEnum.setResizeColumn(0)
self.lstEnum.Append(['', '0'])
self.lstEnum.SetInitialSize((120, 240))
grid.Add(self.lstEnum, (6,0), span=(1,2), flag=wx.EXPAND | wx.ALL)
self.btnAdd = wx.Button(self, label='Add')
self.btnAdd.Bind(wx.EVT_BUTTON, self.btnAdd_click)
self.btnRemove = wx.Button(self, label='Remove')
self.btnRemove.Bind(wx.EVT_BUTTON, self.btnRemove_click)
grid.Add(self.btnAdd, (7,0))
grid.Add(self.btnRemove, (7,1))
grid.Add(wx.Button(self, label='Test'), (8,0), span=(1,2))
grid.Add(wx.StaticText(self, label='Text:'), (9,0))
grid.Add(wx.StaticText(self), (9,1))
grid.Add(wx.StaticText(self, label='Value:'), (10,0))
grid.Add(wx.StaticText(self), (10,1))
buttonsSizer = wx.BoxSizer(wx.HORIZONTAL)
buttonsSizer.Add(wx.Button(self, label='Save && close'),
flag=wx.ALIGN_RIGHT)
grid.Add(buttonsSizer, (11,0), span=(1,2), flag=wx.ALIGN_RIGHT)
sizer.Add(grid, 0, wx.EXPAND | wx.ALL, 6)
self.SetSizer(sizer)
#self.CreateStatusBar()
self.SetAutoLayout(1)
sizer.Fit(self)
#self.Show(True)
self.UpdateFields()
def choType_change(self, e):
self.UpdateFields()
def choDistribution_change(self, e):
self.UpdateFields()
def UpdateFields(self):
isDistr = self.choType.GetSelection() == 0
self.choDistribution.Show(isDistr)
self.lblMean.Show(isDistr)
self.txtMean.Show(isDistr)
self.lblVariance.Show(isDistr)
self.txtVariance.Show(isDistr)
self.lblStep.Show(isDistr)
self.txtStep.Show(isDistr)
self.lblSigFigs.Show(isDistr)
self.txtSigFigs.Show(isDistr)
self.lstEnum.Show(not isDistr)
self.btnAdd.Show(not isDistr)
self.btnRemove.Show(not isDistr)
if isDistr:
self.lblDistribution.SetLabel('Distribution:')
n = self.choDistribution.GetSelection()
if n == 0:
#Normal
self.lblMean.SetLabel('Mean:')
self.lblVariance.SetLabel('Variance:')
self.lblStep.Hide()
self.txtStep.Hide()
elif n == 1:
#Uniform
self.lblMean.SetLabel('Minimum:')
self.lblVariance.SetLabel('Maximum:')
self.lblStep.Hide()
self.txtStep.Hide()
elif n == 2:
#Uniform discrete
self.lblMean.SetLabel('Minimum:')
self.lblVariance.SetLabel('Maximum:')
self.lblStep.SetLabel('Step:')
elif n == 3:
#Geometric
self.lblMean.SetLabel('Probability:')
self.lblVariance.Hide()
self.txtVariance.Hide()
self.lblStep.Hide()
self.txtStep.Hide()
elif n == 4:
#Binomial
self.lblMean.SetLabel('Number:')
self.lblVariance.SetLabel('Probability:')
self.lblStep.Hide()
self.txtStep.Hide()
elif n == 5:
#Poisson
self.lblMean.SetLabel('Mean:')
self.lblVariance.Hide()
self.txtVariance.Hide()
self.lblStep.Hide()
self.txtStep.Hide()
else:
self.lblDistribution.SetLabel('Options:')
self.Layout()
def btnAdd_click(self, e):
self.lstEnum.Append(['', '0'])
for i in range(self.lstEnum.GetItemCount() - 1):
self.lstEnum.Select(i, 0)
self.lstEnum.Select(self.lstEnum.GetItemCount() - 1)
def btnRemove_click(self, e):
item = self.lstEnum.GetFirstSelected()
while item != -1:
self.lstEnum.DeleteItem(item)
item = self.lstEnum.GetFirstSelected()
class EditListCtrl(wx.ListCtrl, wxlc.TextEditMixin,
wxlc.ListCtrlAutoWidthMixin):
def __init__(self, parent, id=-1, pos=wx.DefaultPosition,
size=wx.DefaultSize, style=wx.LC_REPORT):
wx.ListCtrl.__init__(self, parent, id, pos, size, style | wx.LC_REPORT)
wxlc.TextEditMixin.__init__(self)
wxlc.ListCtrlAutoWidthMixin.__init__(self)
if __name__ == '__main__':
app = wx.App(redirect=True)
main = EditVariable(None, 'VQ')
app.MainLoop()
在UpdateFields中，我显示/隐藏了很多控件，意图隐藏了某些grid行。但是，即使隐藏了控件，GridBagSizer的行为就好像它们仍然需要空间一样，因此对话框中充满了空白（参见图片）。我该如何解决这个问题？
此外，底部按钮下方还有一个间隙。知道这是什么意思吗？
1 个答案:
答案 0 :(得分：1)
当某个项目被隐藏时，您可以使用grid.SetEmptyCellSize((0,0))来缩小差距。
并使用self.Fit来适应框架。
添加一些带有评论#added by Jerry的代码：
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import wx, wx.lib.mixins.listctrl as wxlc
class EditVariable(wx.Dialog):
def __init__(self, parent, data=None):
wx.Dialog.__init__(self, parent, title='VQ: Edit Variable')
sizer = wx.BoxSizer(wx.VERTICAL)
grid = wx.GridBagSizer(6, 6)
grid.AddGrowableCol(1)
grid.Add(wx.StaticText(self, label='Type:'), (0,0))
self.choType = wx.Choice(self, choices=['Distributed value',
'Enumerated choice'])
self.choType.Bind(wx.EVT_CHOICE, self.choType_change)
grid.Add(self.choType, (0,1), flag=wx.EXPAND)
self.lblDistribution = wx.StaticText(self, label='Distribution:')
self.choDistribution = wx.Choice(self, choices=['Normal',
'Uniform',
'Uniform discrete',
'Geometric',
'Binomial',
'Poisson'])
grid.Add(self.lblDistribution, (1,0))
grid.Add(self.choDistribution, (1,1), flag=wx.EXPAND)
self.choDistribution.Bind(wx.EVT_CHOICE, self.choDistribution_change)
self.lblMean = wx.StaticText(self, label='Mean:')
self.txtMean = wx.TextCtrl(self)
grid.Add(self.lblMean, (2,0))
grid.Add(self.txtMean, (2,1), flag=wx.EXPAND)
self.lblVariance = wx.StaticText(self, label='Variance:')
self.txtVariance = wx.TextCtrl(self)
grid.Add(self.lblVariance, (3,0))
grid.Add(self.txtVariance, (3,1), flag=wx.EXPAND)
self.lblStep = wx.StaticText(self, label='Step:')
self.txtStep = wx.TextCtrl(self)
grid.Add(self.lblStep, (4,0))
grid.Add(self.txtStep, (4,1), flag=wx.EXPAND)
self.lblSigFigs = wx.StaticText(self, label='Significant figures:')
self.txtSigFigs = wx.TextCtrl(self)
grid.Add(self.lblSigFigs, (5,0))
grid.Add(self.txtSigFigs, (5,1), flag=wx.EXPAND)
self.lstEnum = EditListCtrl(self)
self.lstEnum.InsertColumn(0, 'Text')
self.lstEnum.InsertColumn(1, 'Value')
self.lstEnum.SetColumnWidth(0, wx.LIST_AUTOSIZE_USEHEADER)
self.lstEnum.SetColumnWidth(1, wx.LIST_AUTOSIZE_USEHEADER)
self.lstEnum.setResizeColumn(0)
self.lstEnum.Append(['', '0'])
self.lstEnum.SetInitialSize((120, 240))
grid.Add(self.lstEnum, (6,0), span=(1,2), flag=wx.EXPAND | wx.ALL)
self.btnAdd = wx.Button(self, label='Add')
self.btnAdd.Bind(wx.EVT_BUTTON, self.btnAdd_click)
self.btnRemove = wx.Button(self, label='Remove')
self.btnRemove.Bind(wx.EVT_BUTTON, self.btnRemove_click)
grid.Add(self.btnAdd, (7,0))
grid.Add(self.btnRemove, (7,1))
grid.Add(wx.Button(self, label='Test'), (8,0), span=(1,2))
grid.Add(wx.StaticText(self, label='Text:'), (9,0))
grid.Add(wx.StaticText(self), (9,1))
grid.Add(wx.StaticText(self, label='Value:'), (10,0))
grid.Add(wx.StaticText(self), (10,1))
buttonsSizer = wx.BoxSizer(wx.HORIZONTAL)
buttonsSizer.Add(wx.Button(self, label='Save && close'),
flag=wx.ALIGN_RIGHT)
grid.Add(buttonsSizer, (11,0), span=(1,2), flag=wx.ALIGN_RIGHT)
sizer.Add(grid, 0, wx.EXPAND | wx.ALL, 6)
self.SetSizer(sizer)
#self.CreateStatusBar()
self.SetAutoLayout(1)
sizer.Fit(self)
self.Show(True)
grid.SetEmptyCellSize((0,0)) #added by Jerry
self.UpdateFields()
def choType_change(self, e):
self.UpdateFields()
def choDistribution_change(self, e):
self.UpdateFields()
def UpdateFields(self):
isDistr = self.choType.GetSelection() == 0
self.choDistribution.Show(isDistr)
self.lblMean.Show(isDistr)
self.txtMean.Show(isDistr)
self.lblVariance.Show(isDistr)
self.txtVariance.Show(isDistr)
self.lblStep.Show(isDistr)
self.txtStep.Show(isDistr)
self.lblSigFigs.Show(isDistr)
self.txtSigFigs.Show(isDistr)
self.lstEnum.Show(not isDistr)
self.btnAdd.Show(not isDistr)
self.btnRemove.Show(not isDistr)
if isDistr:
self.lblDistribution.SetLabel('Distribution:')
n = self.choDistribution.GetSelection()
if n == 0:
#Normal
self.lblMean.SetLabel('Mean:')
self.lblVariance.SetLabel('Variance:')
self.lblStep.Hide()
self.txtStep.Hide()
elif n == 1:
#Uniform
self.lblMean.SetLabel('Minimum:')
self.lblVariance.SetLabel('Maximum:')
self.lblStep.Hide()
self.txtStep.Hide()
elif n == 2:
#Uniform discrete
self.lblMean.SetLabel('Minimum:')
self.lblVariance.SetLabel('Maximum:')
self.lblStep.SetLabel('Step:')
elif n == 3:
#Geometric
self.lblMean.SetLabel('Probability:')
self.lblVariance.Hide()
self.txtVariance.Hide()
self.lblStep.Hide()
self.txtStep.Hide()
elif n == 4:
#Binomial
self.lblMean.SetLabel('Number:')
self.lblVariance.SetLabel('Probability:')
self.lblStep.Hide()
self.txtStep.Hide()
elif n == 5:
#Poisson
self.lblMean.SetLabel('Mean:')
self.lblVariance.Hide()
self.txtVariance.Hide()
self.lblStep.Hide()
self.txtStep.Hide()
else:
self.lblDistribution.SetLabel('Options:')
#self.Layout()
self.Fit() #added by Jerry
def btnAdd_click(self, e):
self.lstEnum.Append(['', '0'])
for i in range(self.lstEnum.GetItemCount() - 1):
self.lstEnum.Select(i, 0)
self.lstEnum.Select(self.lstEnum.GetItemCount() - 1)
def btnRemove_click(self, e):
item = self.lstEnum.GetFirstSelected()
while item != -1:
self.lstEnum.DeleteItem(item)
item = self.lstEnum.GetFirstSelected()
class EditListCtrl(wx.ListCtrl, wxlc.TextEditMixin,
wxlc.ListCtrlAutoWidthMixin):
def __init__(self, parent, id=-1, pos=wx.DefaultPosition,
size=wx.DefaultSize, style=wx.LC_REPORT):
wx.ListCtrl.__init__(self, parent, id, pos, size, style | wx.LC_REPORT)
wxlc.TextEditMixin.__init__(self)
wxlc.ListCtrlAutoWidthMixin.__init__(self)
if __name__ == '__main__':
app = wx.App(redirect=False)
main = EditVariable(None, 'VQ')
app.MainLoop()
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