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This commit was manufactured by cvs2svn to create tag 'WX_2_8_4-rc2'.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/tags/WX_2_8_4-rc2@45760 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Bryan Petty
2007-05-02 14:53:49 +00:00
parent 0d3847e80c
commit 6a1e754a3e
743 changed files with 18620 additions and 92509 deletions
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780
wxPython/wx/lib/mixins/inspect.py
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@@ -1,780 +0,0 @@
#----------------------------------------------------------------------------
# Name: wx.lib.mixins.inspect
# Purpose: A mix-in class that can add PyCrust-based inspection of the
# app's widgets and sizers.
#
# Author: Robin Dunn
#
# Created: 21-Nov-2006
# RCS-ID: $Id$
# Copyright: (c) 2006 by Total Control Software
# Licence: wxWindows license
#----------------------------------------------------------------------------
# NOTE: This class was originally based on ideas sent to the
# wxPython-users mail list by Dan Eloff.
import wx
import wx.py
import wx.stc
import sys
class InspectionMixin(object):
"""
This class is intended to be used as a mix-in with the wx.App
class. When used it will add the ability to popup a
InspectionFrame window where the widget under the mouse cursor
will be selected in the tree and loaded into the shell's namespace
as 'obj'. The default key sequence to activate the inspector is
Ctrl-Alt-I (or Cmd-Alt-I on Mac) but this can be changed via
parameters to the `Init` method, or the application can call
`ShowInspectionTool` from other event handlers if desired.
To use this class simply derive a class from wx.App and
InspectionMixin and then call the `Init` method from the app's
OnInit.
"""
def Init(self, pos=(-1, -1), size=(850,700), config=None, locals=None,
alt=True, cmd=True, shift=False, keyCode=ord('I')):
"""
Make the event binding that will activate the InspectionFrame window.
"""
self.Bind(wx.EVT_KEY_DOWN, self._OnKeyPress)
self._tool = None
self._pos = pos
self._size = size
self._config = config
self._locals = locals
self._alt = alt
self._cmd = cmd
self._shift = shift
self._keyCode = keyCode
def _OnKeyPress(self, evt):
"""
Event handler, check for our hot-key. Normally it is
Ctrl-Alt-I but that can be changed by what is passed to the
Init method.
"""
if evt.AltDown() == self._alt and \
evt.CmdDown() == self._cmd and \
evt.ShiftDown() == self._shift and \
evt.GetKeyCode() == self._keyCode:
self.ShowInspectionTool()
else:
evt.Skip()
def ShowInspectionTool(self):
"""
Show the Inspection tool, creating it if neccesary.
"""
if not self._tool:
self._tool = InspectionFrame(parent=self.GetTopWindow(),
pos=self._pos,
size=self._size,
config=self._config,
locals=self._locals,
app=self)
# get the current widget under the mouse
wnd = wx.FindWindowAtPointer()
self._tool.SetObj(wnd)
self._tool.Show()
self._tool.Raise()
#---------------------------------------------------------------------------
class InspectionFrame(wx.Frame):
"""
This class is the frame that holds the wxPython inspection tools.
The toolbar and splitter windows are also managed here. The
contents of the splitter windows are handled by other classes.
"""
def __init__(self, wnd=None, locals=None, config=None,
app=None, title="wxPython Widget Inspection Tool",
*args, **kw):
kw['title'] = title
wx.Frame.__init__(self, *args, **kw)
self.includeSizers = False
self.started = False
self.MacSetMetalAppearance(True)
self.MakeToolBar()
self.outerSplitter = wx.SplitterWindow(self,style=wx.SP_LIVE_UPDATE)
self.innerSplitter = wx.SplitterWindow(self.outerSplitter,style=wx.SP_LIVE_UPDATE)
self.tree = InspectionTree(self.outerSplitter)
self.info = InspectionInfoPanel(self.innerSplitter)
if not locals:
locals = {}
myIntroText = (
"Python %s on %s\nNOTE: The 'obj' variable refers to the selected object."
% (sys.version.split()[0], sys.platform))
self.crust = wx.py.crust.Crust(self.innerSplitter, locals=locals,
intro=myIntroText,
showInterpIntro=False,
)
self.crust.shell.SetMarginWidth(1, 0)
self.locals = self.crust.shell.interp.locals
self.crust.shell.interp.introText = ''
self.locals['obj'] = self.obj = wnd
self.locals['app'] = app
self.locals['wx'] = wx
wx.CallAfter(self._postStartup)
self.innerSplitter.SplitHorizontally(self.info, self.crust, -225)
self.outerSplitter.SplitVertically(self.tree, self.innerSplitter, 280)
self.outerSplitter.SetMinimumPaneSize(20)
self.innerSplitter.SetMinimumPaneSize(20)
def MakeToolBar(self):
tbar = self.CreateToolBar(wx.TB_HORIZONTAL | wx.TB_FLAT | wx.TB_TEXT | wx.NO_BORDER )
tbar.SetToolBitmapSize((24,24))
refreshBmp = getRefreshBitmap()
findWidgetBmp = getFindBitmap()
showSizersBmp = getShowSizersBitmap()
toggleFillingBmp = getShowFillingBitmap()
refreshTool = tbar.AddLabelTool(-1, 'Refresh', refreshBmp,
shortHelp = 'Refresh widget tree')
findWidgetTool = tbar.AddLabelTool(-1, 'Find', findWidgetBmp,
shortHelp='Find new target widget. Click here and\nthen on another widget in the app.')
showSizersTool = tbar.AddLabelTool(-1, 'Sizers', showSizersBmp,
shortHelp='Include sizers in widget tree',
kind=wx.ITEM_CHECK)
toggleFillingTool = tbar.AddLabelTool(-1, 'Filling', toggleFillingBmp,
shortHelp='Show PyCrust \'filling\'',
kind=wx.ITEM_CHECK)
tbar.Realize()
self.Bind(wx.EVT_TOOL, self.OnRefreshTree, refreshTool)
self.Bind(wx.EVT_TOOL, self.OnFindWidget, findWidgetTool)
self.Bind(wx.EVT_TOOL, self.OnShowSizers, showSizersTool)
self.Bind(wx.EVT_TOOL, self.OnToggleFilling, toggleFillingTool)
self.Bind(wx.EVT_UPDATE_UI, self.OnShowSizersUI, showSizersTool)
self.Bind(wx.EVT_UPDATE_UI, self.OnToggleFillingUI, toggleFillingTool)
def _postStartup(self):
if self.crust.ToolsShown():
self.crust.ToggleTools()
self.UpdateInfo()
self.started = True
def UpdateInfo(self):
self.info.Update(self.obj)
def SetObj(self, obj):
if self.obj is obj:
return
self.locals['obj'] = self.obj = obj
self.UpdateInfo()
if not self.tree.built:
self.tree.BuildTree(obj, includeSizers=self.includeSizers)
else:
self.tree.SelectObj(obj)
def RefreshTree(self):
self.tree.BuildTree(self.obj, includeSizers=self.includeSizers)
def OnRefreshTree(self, evt):
self.RefreshTree()
def OnFindWidget(self, evt):
self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown)
self.Bind(wx.EVT_MOUSE_CAPTURE_LOST, self.OnCaptureLost)
self.CaptureMouse()
self.finding = wx.BusyInfo("Click on any widget in the app...")
def OnCaptureLost(self, evt):
self.Unbind(wx.EVT_LEFT_DOWN)
self.Unbind(wx.EVT_MOUSE_CAPTURE_LOST)
del self.finding
def OnLeftDown(self, evt):
self.ReleaseMouse()
wnd = wx.FindWindowAtPointer()
if wnd is not None:
self.SetObj(wnd)
else:
wx.Bell()
self.OnCaptureLost(evt)
def OnShowSizers(self, evt):
self.includeSizers = not self.includeSizers
self.RefreshTree()
def OnToggleFilling(self, evt):
self.crust.ToggleTools()
def OnShowSizersUI(self, evt):
evt.Check(self.includeSizers)
def OnToggleFillingUI(self, evt):
if self.started:
evt.Check(self.crust.ToolsShown())
#---------------------------------------------------------------------------
# should inspection frame (and children) be includeed in the tree?
INCLUDE_INSPECTOR = True
class InspectionTree(wx.TreeCtrl):
"""
All of the widgets in the app, and optionally their sizers, are
loaded into this tree.
"""
def __init__(self, *args, **kw):
#s = kw.get('style', 0)
#kw['style'] = s | wx.TR_DEFAULT_STYLE | wx.TR_HIDE_ROOT
wx.TreeCtrl.__init__(self, *args, **kw)
self.roots = []
self.built = False
self.Bind(wx.EVT_TREE_SEL_CHANGED, self.OnSelectionChanged)
def BuildTree(self, startWidget, includeSizers=False):
if self.GetCount():
self.DeleteAllItems()
self.roots = []
self.built = False
realRoot = self.AddRoot('Top-level Windows')
for w in wx.GetTopLevelWindows():
if w is wx.GetTopLevelParent(self) and not INCLUDE_INSPECTOR:
continue
root = self._AddWidget(realRoot, w, includeSizers)
self.roots.append(root)
# Expand the subtree containing the startWidget, and select it.
if not startWidget or not isinstance(startWidget, wx.Window):
startWidget = wx.GetApp().GetTopWindow()
top = wx.GetTopLevelParent(startWidget)
topItem = self.FindWidgetItem(top)
if topItem:
self.ExpandAllChildren(topItem)
self.SelectObj(startWidget)
self.built = True
def _AddWidget(self, parentItem, widget, includeSizers):
text = self.GetTextForWidget(widget)
item = self.AppendItem(parentItem, text)
self.SetItemPyData(item, widget)
# Add the sizer and widgets in the sizer, if we're showing them
widgetsInSizer = []
if includeSizers and widget.GetSizer() is not None:
widgetsInSizer = self._AddSizer(item, widget.GetSizer())
# Add any children not in the sizer, or all children if we're
# not showing the sizers
for child in widget.GetChildren():
if not child in widgetsInSizer and not child.IsTopLevel():
self._AddWidget(item, child, includeSizers)
return item
def _AddSizer(self, parentItem, sizer):
widgets = []
text = self.GetTextForSizer(sizer)
item = self.AppendItem(parentItem, text)
self.SetItemPyData(item, sizer)
self.SetItemTextColour(item, "blue")
for si in sizer.GetChildren():
if si.IsWindow():
w = si.GetWindow()
self._AddWidget(item, w, True)
widgets.append(w)
elif si.IsSizer():
widgets += self._AddSizer(item, si.GetSizer())
else:
i = self.AppendItem(item, "Spacer")
self.SetItemPyData(i, si)
self.SetItemTextColour(i, "blue")
return widgets
def FindWidgetItem(self, widget):
"""
Find the tree item for a widget.
"""
for item in self.roots:
found = self._FindWidgetItem(widget, item)
if found:
return found
return None
def _FindWidgetItem(self, widget, item):
if self.GetItemPyData(item) is widget:
return item
child, cookie = self.GetFirstChild(item)
while child:
found = self._FindWidgetItem(widget, child)
if found:
return found
child, cookie = self.GetNextChild(item, cookie)
return None
def GetTextForWidget(self, widget):
"""
Returns the string to be used in the tree for a widget
"""
return "%s (\"%s\")" % (widget.__class__.__name__, widget.GetName())
def GetTextForSizer(self, sizer):
"""
Returns the string to be used in the tree for a sizer
"""
return "%s" % sizer.__class__.__name__
def SelectObj(self, obj):
item = self.FindWidgetItem(obj)
if item:
self.EnsureVisible(item)
self.SelectItem(item)
def OnSelectionChanged(self, evt):
obj = self.GetItemPyData(evt.GetItem())
toolFrm = wx.GetTopLevelParent(self)
toolFrm.SetObj(obj)
#---------------------------------------------------------------------------
class InspectionInfoPanel(wx.stc.StyledTextCtrl):
"""
Used to display information about the currently selected items.
Currently just a read-only wx.stc.StyledTextCtrl with some plain
text. Should probably add some styles to make things easier to
read.
"""
def __init__(self, *args, **kw):
wx.stc.StyledTextCtrl.__init__(self, *args, **kw)
from wx.py.editwindow import FACES
self.StyleSetSpec(wx.stc.STC_STYLE_DEFAULT,
"face:%(mono)s,size:%(size)d,back:%(backcol)s" % FACES)
self.StyleClearAll()
self.SetReadOnly(True)
self.SetMarginType(1, 0)
self.SetMarginWidth(1, 0)
self.SetSelForeground(True, wx.SystemSettings.GetColour(wx.SYS_COLOUR_HIGHLIGHTTEXT))
self.SetSelBackground(True, wx.SystemSettings.GetColour(wx.SYS_COLOUR_HIGHLIGHT))
def Update(self, obj):
st = []
if not obj:
st.append("Item is None or has been destroyed.")
elif isinstance(obj, wx.Window):
st += self.FmtWidget(obj)
elif isinstance(obj, wx.Sizer):
st += self.FmtSizer(obj)
elif isinstance(obj, wx.SizerItem):
st += self.FmtSizerItem(obj)
self.SetReadOnly(False)
self.SetText('\n'.join(st))
self.SetReadOnly(True)
def Fmt(self, name, value):
if isinstance(value, (str, unicode)):
return " %s = '%s'" % (name, value)
else:
return " %s = %s" % (name, value)
def FmtWidget(self, obj):
st = ["Widget:"]
st.append(self.Fmt('name', obj.GetName()))
st.append(self.Fmt('class', obj.__class__))
st.append(self.Fmt('bases', obj.__class__.__bases__))
st.append(self.Fmt('id', obj.GetId()))
st.append(self.Fmt('style', obj.GetWindowStyle()))
st.append(self.Fmt('pos', obj.GetPosition()))
st.append(self.Fmt('size', obj.GetSize()))
st.append(self.Fmt('minsize', obj.GetMinSize()))
st.append(self.Fmt('bestsize', obj.GetBestSize()))
st.append(self.Fmt('client size',obj.GetClientSize()))
st.append(self.Fmt('IsEnabled', obj.IsEnabled()))
st.append(self.Fmt('IsShown', obj.IsShown()))
st.append(self.Fmt('fg color', obj.GetForegroundColour()))
st.append(self.Fmt('bg color', obj.GetBackgroundColour()))
st.append(self.Fmt('label', obj.GetLabel()))
if hasattr(obj, 'GetTitle'):
st.append(self.Fmt('title', obj.GetTitle()))
if hasattr(obj, 'GetValue'):
st.append(self.Fmt('value', obj.GetValue()))
if obj.GetContainingSizer() is not None:
st.append('')
sizer = obj.GetContainingSizer()
st += self.FmtSizerItem(sizer.GetItem(obj))
return st
def FmtSizerItem(self, obj):
st = ['SizerItem:']
st.append(self.Fmt('proportion', obj.GetProportion()))
st.append(self.Fmt('flag',
FlagsFormatter(itemFlags, obj.GetFlag())))
st.append(self.Fmt('border', obj.GetBorder()))
st.append(self.Fmt('pos', obj.GetPosition()))
st.append(self.Fmt('size', obj.GetSize()))
st.append(self.Fmt('minsize', obj.GetMinSize()))
st.append(self.Fmt('ratio', obj.GetRatio()))
st.append(self.Fmt('IsWindow', obj.IsWindow()))
st.append(self.Fmt('IsSizer', obj.IsSizer()))
st.append(self.Fmt('IsSpacer', obj.IsSpacer()))
st.append(self.Fmt('IsShown', obj.IsShown()))
if isinstance(obj, wx.GBSizerItem):
st.append(self.Fmt('cellpos', obj.GetPos()))
st.append(self.Fmt('cellspan', obj.GetSpan()))
st.append(self.Fmt('endpos', obj.GetEndPos()))
return st
def FmtSizer(self, obj):
st = ['Sizer:']
st.append(self.Fmt('class', obj.__class__))
st.append(self.Fmt('pos', obj.GetPosition()))
st.append(self.Fmt('size', obj.GetSize()))
st.append(self.Fmt('minsize', obj.GetMinSize()))
if isinstance(obj, wx.BoxSizer):
st.append(self.Fmt('orientation',
FlagsFormatter(orientFlags, obj.GetOrientation())))
if isinstance(obj, wx.GridSizer):
st.append(self.Fmt('cols', obj.GetCols()))
st.append(self.Fmt('rows', obj.GetRows()))
st.append(self.Fmt('vgap', obj.GetVGap()))
st.append(self.Fmt('hgap', obj.GetHGap()))
if isinstance(obj, wx.FlexGridSizer):
st.append(self.Fmt('rowheights', obj.GetRowHeights()))
st.append(self.Fmt('colwidths', obj.GetColWidths()))
st.append(self.Fmt('flexdir',
FlagsFormatter(orientFlags, obj.GetFlexibleDirection())))
st.append(self.Fmt('nonflexmode',
FlagsFormatter(flexmodeFlags, obj.GetNonFlexibleGrowMode())))
if isinstance(obj, wx.GridBagSizer):
st.append(self.Fmt('emptycell', obj.GetEmptyCellSize()))
if obj.GetContainingWindow():
si = obj.GetContainingWindow().GetSizer().GetItem(obj)
if si:
st.append('')
st += self.FmtSizerItem(si)
return st
class FlagsFormatter(object):
def __init__(self, d, val):
self.d = d
self.val = val
def __str__(self):
st = []
for k in self.d.keys():
if self.val & k:
st.append(self.d[k])
if st:
return '|'.join(st)
else:
return '0'
orientFlags = {
wx.HORIZONTAL : 'wx.HORIZONTAL',
wx.VERTICAL : 'wx.VERTICAL',
}
itemFlags = {
wx.TOP : 'wx.TOP',
wx.BOTTOM : 'wx.BOTTOM',
wx.LEFT : 'wx.LEFT',
wx.RIGHT : 'wx.RIGHT',
# wx.ALL : 'wx.ALL',
wx.EXPAND : 'wx.EXPAND',
# wx.GROW : 'wx.GROW',
wx.SHAPED : 'wx.SHAPED',
wx.STRETCH_NOT : 'wx.STRETCH_NOT',
wx.ALIGN_CENTER : 'wx.ALIGN_CENTER',
wx.ALIGN_LEFT : 'wx.ALIGN_LEFT',
wx.ALIGN_RIGHT : 'wx.ALIGN_RIGHT',
wx.ALIGN_TOP : 'wx.ALIGN_TOP',
wx.ALIGN_BOTTOM : 'wx.ALIGN_BOTTOM',
wx.ALIGN_CENTER_VERTICAL : 'wx.ALIGN_CENTER_VERTICAL',
wx.ALIGN_CENTER_HORIZONTAL : 'wx.ALIGN_CENTER_HORIZONTAL',
wx.ADJUST_MINSIZE : 'wx.ADJUST_MINSIZE',
wx.FIXED_MINSIZE : 'wx.FIXED_MINSIZE',
}
flexmodeFlags = {
wx.FLEX_GROWMODE_NONE : 'wx.FLEX_GROWMODE_NONE',
wx.FLEX_GROWMODE_SPECIFIED : 'wx.FLEX_GROWMODE_SPECIFIED',
wx.FLEX_GROWMODE_ALL : 'wx.FLEX_GROWMODE_ALL',
}
#---------------------------------------------------------------------------
from wx import ImageFromStream, BitmapFromImage
import cStringIO
def getRefreshData():
return \
'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x18\x00\x00\x00\x18\x08\x06\
\x00\x00\x00\xe0w=\xf8\x00\x00\x00\x04sBIT\x08\x08\x08\x08|\x08d\x88\x00\x00\
\x05\xe8IDATH\x89\x9d\x96]h\x94\xd9\x19\xc7\x7f\xefG21\x93\x99Il\xcc&\x18w\
\x1c?\xe2GK\xa5kb\x8d\xd3(+\xcb\xd2-\x0b-4A\xf1\xc6\xcb\x8a\xdaz\xa7\xd8\x9b\
zQ\xe8\x85R\xd3\xd0\x1a\x97\x06w\xad\xa8\x14/z%\x85\xd2\x85\xe2\x17\xedEK\
\x83\xd4\xc4X\x1b\x9bL\x98L\xdf\xc9d\xbe\'\x99\xc9{\xfe\xbd\xc8$\xc4e\xa1\
\xd0\x07\x0e\x1c\x0e\xcf\xc7y\xfe\xe7\xff<\xcf\xb1\xf8\xdfr\x008\x03|\x0bp\
\x00\x0b\xf0\x81\xa7\xc0\'\xc0\xdf\xbe\xccH\xabz\xb8\x1b\xce\x9c\xba!\xc0\
\x07\xc0\xbf\x81\x92\xe38\xef\xf8\xbe\xff.\xf0\xb5\xae\xae\xae%\x80d2\xd9\
\xd4\xd0\xd0\x90\xd9\xb9s\xe7\xf6\xc9\xc9\xc9y\xa0\x19\x88\x01\x9f\x03\x06p,\
\xf0\x05\x96\xfb\x05\xe7[\x80\x9f\xb9\xae{d\xeb\xd6\xad%\xd7u\x7f\xf0\xfa\
\xf5\xeb\xd7\xb6m[\x03\x03\x03\x0c\x0e\x0e6Y\x96\xc5\x83\x07\x0f\x98\x98\x98\
h\xf4}?\x01\x84c\xb1\xd8\'\xb3\xb3\xb3\x1d+++\x7f\x06~\x0c$\xd7\x82l\xccj\
\x8b\xe38\xf7W\xb3[_\x9f\x02W\x81\x7f\x0e\r\r)\x95J\xa9\\.\xeb\xf4\xe9\xd3\
\x02fC\xa1\xd0\xcd\xb6\xb6\xb6\xcf6\xda\xd8\xb6\xfd\x00\xe8\xfc2\xd8\xc6\x00\
\x85B!\xf5\xf6\xf6\x9aC\x87\x0e\x99\xd6\xd6V\x01joo\xd7\xcd\x9b7\xfdt:\xadR\
\xa9\xa4\xb1\xb11?\x14\n\t\xd0\xbe}\xfb\xd4\xdb\xdb\xab\xde\xde^\x13\x0e\x87\
\xd7\x02\xfd\xa6\x8e\xca\xba|\xe08\xce?\x00\x1d<x\xd0LMM\xc9\xf3<]\xbatI\xb6\
m\xeb\xe2\xc5\x8b\x92\xa4B\xa1\xa0d2)I\xba|\xf9\xb2l\xdb\xd6\x85\x0b\x174??\
\xaf\xe9\xe9i\xf5\xf7\xf7\x1b@\xae\xeb\xbe\x04>\xda\x18\xa0g\xfb\xf6\xed\xcf\
\x00\xf5\xf5\xf5\xc9\xf3<%\x12\t%\x93I\xcd\xcc\xcc(\x95J\xa9T*)\x9f\xcf+\x97\
\xcb\xa9X,*\x95JiffF\xc9dR\x89DB\x8b\x8b\x8b\x1a\x18\x180\x80\xa2\xd1\xe8\
\xdf\x81\xfdlH\xa31\x9b\xcd~\xde\xd6\xd6\x16\t\x04\x02_\xf7<\x8fx<NGG\x07\
\xa1P\x88\xc6\xc6Fj\xb5\x1a\x96eaY\x16\xc6\x18\x82\xc1 \x91H\x84`0H\xadVcxx\
\x98\x87\x0f\x1fZ\x95J\xe5n{{\xfb\xe5\xc5\xc5\xc5\x0c\x90\x078\xd0\xd3\xd3\
\xf3\xdd]\xbbv}#\x12\x89\xfc\xaa\xfeP\x9a\x99\x99\xd1\xca\xca\x8a\xb2\xd9\
\xac\xca\xe5\xb2\xbe(\x95JE\xd9lV\xd5jU\x9e\xe7)\x18\x0c\xae\xe1\xff\x0b`\
\xa7\xe38\x1f\x02\x07\x1c\xe0J\xa1P\xf8\xd8q\x9c\x8f3\x99L_0\x18\x8c\x9c?\
\x7f\x9ec\xc7\x8e\xd1\xd8\xd8\x88m\xdb\x14\x8bE\xc6\xc7\xc7y\xf2\xe4\t\xcf\
\x9f?\'\x9f\xcf\x13\n\x85\xd8\xb4i\x13\xc6\x18|\x7f\x95\x8d\x13\x13\x13\x94\
\xcb\xe5\x0e\xdb\xb6\xfb\x8c1\xfd\xc0n\x80\xe7\x80\xe2\xf1\xb8N\x9e<\xa9\xd1\
\xd1Q_\x92\x8a\xc5\xa2r\xb9\x9c$\xe9\xe9\xd3\xa7z\xff\xfd\xf7\xd5\xd0\xd0 \
\xdb\xb6u\xf4\xe8Q=z\xf4H\x92\x94\xcb\xe5T(\x14$I\xb7n\xdd\xf2\x07\x07\x07u\
\xfc\xf8q\xd9\xb6\xad\xbao^tuuUFFF\x94\xcb\xe5\x94\xcf\xe7\x95L&\xd7\xf7\x92\
t\xef\xde=544l\xe4\xban\xdf\xbe-I\xca\xe7\xf3\xca\xe7\xf3*\x14\nJ\xa7\xd3J\
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def getRefreshBitmap():
return BitmapFromImage(getRefreshImage())
def getRefreshImage():
stream = cStringIO.StringIO(getRefreshData())
return ImageFromStream(stream)
#----------------------------------------------------------------------
def getFindData():
return \
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'
def getFindBitmap():
return BitmapFromImage(getFindImage())
def getFindImage():
stream = cStringIO.StringIO(getFindData())
return ImageFromStream(stream)
#----------------------------------------------------------------------
def getShowSizersData():
return \
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\x9c\x00\x9e\xaeV\xab{\xa5\x94\rk\xedu\xbf\x93\x10\xa2\x10\x04\xc1\xd1n\xb7\
\xfb\x05p~\x15c\xd4\xf7\xfd}\xbe\xef?e\xad\xed\xad\xd2e\xd34\xfd{~~\xfe\xeb\
\xf5z|\xc7\xf1/Y%\x9eF\x90EP\xda\x00\x00\x00\x00IEND\xaeB`\x82'
def getShowSizersBitmap():
return BitmapFromImage(getShowSizersImage())
def getShowSizersImage():
stream = cStringIO.StringIO(getShowSizersData())
return ImageFromStream(stream)
#----------------------------------------------------------------------
def getShowFillingData():
return \
"\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x18\x00\x00\x00\x18\x08\x06\
\x00\x00\x00\xe0w=\xf8\x00\x00\x00\x04sBIT\x08\x08\x08\x08|\x08d\x88\x00\x00\
\x01\x9eIDATH\x89\xed\x95\xcfJ\x02A\x1c\xc7?\xad\xbb\xb3\xb1-\x14\xae\x19E\
\xed!\xf5)\xbaE\xbd@\x97\x0e\xdez\x84.\x82\xd7.\xbd\x81\xb7\x8e\xddD\x10*\
\x83\x12z\x06\xa30<\x97\xb4\x14Ibh\xb3k\x17\x15u\xcdv\xadc\xdf\xd303\xdf\xef\
g\x86\xdf\xfc\x81\x7f\xfd\xa0\xb9\xa1\xf6\x0e\xb0\x0b\xac\x00\xed\x19\xf3\
\x04\xf0\x02\x94\x80+\x00uhp_U\xd5m)\xe52\xd0\x99\x11\xa0)\x8a\xfa\xeayrq\
\x12`CJ\xb9~tt(67\xf78?\x7f\xc64\x83'\x9b\xe62\xb7\xb7g\\^\x1e/\x00\x1b\xfd\
\xfea\xc0\x07\xf0a\x18I\xb1\xba\xba\x85m?b\x18\xc1\x01KKk<==\x0cr&\x01\x00\
\xb8\xb9\xb9G\xd3\xae\xb1,\x07\xcf\x0b\x0e\xd0u\x0bM\xbb\x03\xe8~7\xa7\x00\
\xbc\x15\n\xf9\xee\xac\xba\xb88\xeb\x02\xef\xbd,\x00\x94qJ\xbb\xfd\x19|\xd9\
\x01\xbc>\x80\x10bf\xc0$\xaf\xaf\x06\x8dF\x03\x80f\xb3\x19*\xdc4\xcd\x81w* \
\x97\xcbQ.\x97i\xb5Z\xa1\x00\x86aP\xab\xd5`\xac\xc8>@\xa5R\xa1Z\xad\xe2\x859\
B\x80\xa2(t:\xfe\xfb\xe9\x03d2\x19\xd2\xe94\xf5z=\x14 \x1e\x8f\x93\xcf\xe7\
\xc9f\xb3\xd3\x01\x89D\x82d2\x89m\xdb\xa1\x00B\x08R\xa9\x14\x8c\xbeo~\x80\
\xae\xeb\x03CX\xf5\xbc#5\xf0\x1d\xd3h4\x1a:\xb8/\xcb\xb2`\xca\x0e\xe6\x81\
\xf9b\xb1\x08\x80\xe38\xa1\xc2c\xb1\x18\xa5R\t@\xefe1N;\xf9\x8b\xe7:\x12\x89\
\xbc\xba\xae{\x05\x1c\xc0\xe8\x0eN\xa5\x94\x0e\xbf\xfcp\\\xd7\xed\x7f8\xff\n\
\xa6/8\xf7\xb7\xf5\xb4m\x07\xcd\x00\x00\x00\x00IEND\xaeB`\x82"
def getShowFillingBitmap():
return BitmapFromImage(getShowFillingImage())
def getShowFillingImage():
stream = cStringIO.StringIO(getShowFillingData())
return ImageFromStream(stream)
#---------------------------------------------------------------------------

88
wxPython/wx/lib/mixins/inspection.py Normal file
View File

@@ -0,0 +1,88 @@
#----------------------------------------------------------------------------
# Name: wx.lib.mixins.inspection
# Purpose: A mix-in class that can add PyCrust-based inspection of the
# app's widgets and sizers.
#
# Author: Robin Dunn
#
# Created: 21-Nov-2006
# RCS-ID: $Id$
# Copyright: (c) 2006 by Total Control Software
# Licence: wxWindows license
#----------------------------------------------------------------------------
# NOTE: This class was originally based on ideas sent to the
# wxPython-users mail list by Dan Eloff.
import wx
from wx.lib.inspection import InspectionTool
#----------------------------------------------------------------------------
class InspectionMixin(object):
"""
This class is intended to be used as a mix-in with the wx.App
class. When used it will add the ability to popup a
InspectionFrame window where the widget under the mouse cursor
will be selected in the tree and loaded into the shell's namespace
as 'obj'. The default key sequence to activate the inspector is
Ctrl-Alt-I (or Cmd-Alt-I on Mac) but this can be changed via
parameters to the `Init` method, or the application can call
`ShowInspectionTool` from other event handlers if desired.
To use this class simply derive a class from wx.App and
InspectionMixin and then call the `Init` method from the app's
OnInit.
"""
def Init(self, pos=wx.DefaultPosition, size=wx.Size(850,700),
config=None, locals=None,
alt=True, cmd=True, shift=False, keyCode=ord('I')):
"""
Make the event binding that will activate the InspectionFrame window.
"""
self.Bind(wx.EVT_KEY_DOWN, self._OnKeyPress)
self._alt = alt
self._cmd = cmd
self._shift = shift
self._keyCode = keyCode
InspectionTool().Init(pos, size, config, locals, self)
def _OnKeyPress(self, evt):
"""
Event handler, check for our hot-key. Normally it is
Ctrl-Alt-I but that can be changed by what is passed to the
Init method.
"""
if evt.AltDown() == self._alt and \
evt.CmdDown() == self._cmd and \
evt.ShiftDown() == self._shift and \
evt.GetKeyCode() == self._keyCode:
self.ShowInspectionTool()
else:
evt.Skip()
def ShowInspectionTool(self):
"""
Show the Inspection tool, creating it if neccesary, setting it
to display the widget under the cursor.
"""
# get the current widget under the mouse
wnd = wx.FindWindowAtPointer()
InspectionTool().Show(wnd)
#---------------------------------------------------------------------------
class InspectableApp(wx.App, InspectionMixin):
"""
A simple mix of wx.App and InspectionMixin that can be used stand-alone.
"""
def OnInit(self):
self.Init()
return True
#---------------------------------------------------------------------------

9
wxPython/wx/lib/mixins/listctrl.py
View File

@@ -120,6 +120,15 @@ class ColumnSorterMixin:
if wx.Platform != "__WXMAC__" or wx.SystemOptions.GetOptionInt("mac.listctrl.always_use_generic") == 1:
self.__updateImages(oldCol)
evt.Skip()
self.OnSortOrderChanged()
def OnSortOrderChanged(self):
"""
Callback called after sort order has changed (whenever user
clicked column header).
"""
pass
def __ColumnSorter(self, key1, key2):

651
wxPython/wx/lib/mixins/treemixin.py Normal file
View File

@@ -0,0 +1,651 @@
'''
treemixin.py
This module provides three mixin classes that can be used with tree
controls:
- VirtualTree is a class that, when mixed in with a tree control,
makes the tree control virtual, similar to a ListCtrl in virtual mode.
A virtual tree control builds the tree itself by means of callbacks,
so the programmer is freed from the burden of building the tree herself.
- DragAndDrop is a mixin class that helps with dragging and dropping of
items. The graphical part of dragging and dropping tree items is done by
this mixin class. You only need to implement the OnDrop method that is
called when the drop happens.
- ExpansionState is a mixin that can be queried for the expansion state of
all items in the tree to restore it later.
All mixin classes work with wx.TreeCtrl, wx.gizmos.TreeListCtrl,
and wx.lib.customtree.CustomTreeCtrl. They can be used together or
separately.
The VirtualTree and DragAndDrop mixins force the wx.TR_HIDE_ROOT style.
Author: Frank Niessink <frank@niessink.com>
License: wxWidgets license
Version: 1.0
Date: 15 April 2007
ExpansionState is based on code and ideas from Karsten Hilbert.
Andrea Gavana provided help with the CustomTreeCtrl integration.
'''
import wx, wx.lib.customtreectrl
class TreeAPIHarmonizer(object):
''' This class attempts to hide the differences in API between the
different tree controls that are part of wxPython. '''
def __callSuper(self, methodName, default, *args, **kwargs):
# If our super class has a method called methodName, call it,
# otherwise return the default value.
superClass = super(TreeAPIHarmonizer, self)
if hasattr(superClass, methodName):
return getattr(superClass, methodName)(*args, **kwargs)
else:
return default
def GetColumnCount(self, *args, **kwargs):
# Only TreeListCtrl has columns, return 0 if we are mixed in
# with another tree control.
return self.__callSuper('GetColumnCount', 0, *args, **kwargs)
def GetItemType(self, *args, **kwargs):
# Only CustomTreeCtrl has different item types, return the
# default item type if we are mixed in with another tree control.
return self.__callSuper('GetItemType', 0, *args, **kwargs)
def SetItemType(self, item, newType):
# CustomTreeCtrl doesn't support changing the item type on the fly,
# so we create a new item and delete the old one. We currently only
# keep the item text, would be nicer to also retain other attributes.
text = self.GetItemText(item)
newItem = self.InsertItem(self.GetItemParent(item), item, text,
ct_type=newType)
self.Delete(item)
return newItem
def IsItemChecked(self, *args, **kwargs):
# Only CustomTreeCtrl supports checkable items, return False if
# we are mixed in with another tree control.
return self.__callSuper('IsItemChecked', False, *args, **kwargs)
def GetItemChecked(self, *args, **kwargs):
# For consistency's sake, provide a 'Get' and 'Set' method for
# checkable items.
return self.IsItemChecked(*args, **kwargs)
def SetItemChecked(self, *args, **kwargs):
# For consistency's sake, provide a 'Get' and 'Set' method for
# checkable items.
return self.CheckItem(*args, **kwargs)
def GetMainWindow(self, *args, **kwargs):
# Only TreeListCtrl has a separate main window, return self if we are
# mixed in with another tree control.
return self.__callSuper('GetMainWindow', self, *args, **kwargs)
def GetItemImage(self, item, which=wx.TreeItemIcon_Normal, column=-1):
# CustomTreeCtrl always wants the which argument, so provide it
# TreeListCtr.GetItemImage has a different order of arguments than
# the other tree controls. Hide the differenes.
if self.GetColumnCount():
args = (item, column, which)
else:
args = (item, which)
return super(TreeAPIHarmonizer, self).GetItemImage(*args)
def SetItemImage(self, item, imageIndex, which=wx.TreeItemIcon_Normal,
column=-1):
# The SetItemImage signature is different for TreeListCtrl and
# other tree controls. This adapter method hides the differences.
if self.GetColumnCount():
args = (item, imageIndex, column, which)
else:
args = (item, imageIndex, which)
super(TreeAPIHarmonizer, self).SetItemImage(*args)
def UnselectAll(self):
# Unselect all items, regardless of whether we are in multiple
# selection mode or not.
if self.HasFlag(wx.TR_MULTIPLE):
super(TreeAPIHarmonizer, self).UnselectAll()
else:
# CustomTreeCtrl Unselect() doesn't seem to work in all cases,
# also invoke UnselectAll just to be sure.
self.Unselect()
super(TreeAPIHarmonizer, self).UnselectAll()
def GetCount(self):
# TreeListCtrl correctly ignores the root item when it is hidden,
# but doesn't count the root item when it is visible
itemCount = super(TreeAPIHarmonizer, self).GetCount()
if self.GetColumnCount() and not self.HasFlag(wx.TR_HIDE_ROOT):
itemCount += 1
return itemCount
def GetSelections(self):
# Always return a list of selected items, regardless of whether
# we are in multiple selection mode or not.
if self.HasFlag(wx.TR_MULTIPLE):
selections = super(TreeAPIHarmonizer, self).GetSelections()
else:
selection = self.GetSelection()
if selection:
selections = [selection]
else:
selections = []
# If the root item is hidden, it should never be selected,
# unfortunately, CustomTreeCtrl allows it to be selected.
if self.HasFlag(wx.TR_HIDE_ROOT):
rootItem = self.GetRootItem()
if rootItem and rootItem in selections:
selections.remove(rootItem)
return selections
def GetFirstVisibleItem(self):
# TreeListCtrl raises an exception or even crashes when invoking
# GetFirstVisibleItem on an empty tree.
if self.GetRootItem():
return super(TreeAPIHarmonizer, self).GetFirstVisibleItem()
else:
return wx.TreeItemId()
def SelectItem(self, item, *args, **kwargs):
# Prevent the hidden root from being selected, otherwise TreeCtrl
# crashes
if self.HasFlag(wx.TR_HIDE_ROOT) and item == self.GetRootItem():
return
else:
return super(TreeAPIHarmonizer, self).SelectItem(item, *args,
**kwargs)
def HitTest(self, *args, **kwargs):
''' HitTest returns a two-tuple (item, flags) for tree controls
without columns and a three-tuple (item, flags, column) for tree
controls with columns. Our caller can indicate this method to
always return a three-tuple no matter what tree control we're mixed
in with by specifying the optional argument 'alwaysReturnColumn'
to be True. '''
alwaysReturnColumn = kwargs.pop('alwaysReturnColumn', False)
hitTestResult = super(TreeAPIHarmonizer, self).HitTest(*args, **kwargs)
if len(hitTestResult) == 2 and alwaysReturnColumn:
hitTestResult += (0,)
return hitTestResult
def ExpandAll(self, item=None):
# TreeListCtrl wants an item as argument. That's an inconsistency with
# the TreeCtrl API. Also, TreeCtrl doesn't allow invoking ExpandAll
# on a tree with hidden root node, so prevent that.
if self.HasFlag(wx.TR_HIDE_ROOT):
rootItem = self.GetRootItem()
if rootItem:
child, cookie = self.GetFirstChild(rootItem)
while child:
self.ExpandAllChildren(child)
child, cookie = self.GetNextChild(rootItem, cookie)
else:
try:
super(TreeAPIHarmonizer, self).ExpandAll()
except TypeError:
if item is None:
item = self.GetRootItem()
super(TreeAPIHarmonizer, self).ExpandAll(item)
def ExpandAllChildren(self, item):
# TreeListCtrl and CustomTreeCtrl don't have ExpandallChildren
try:
super(TreeAPIHarmonizer, self).ExpandAllChildren(item)
except AttributeError:
self.Expand(item)
child, cookie = self.GetFirstChild(item)
while child:
self.ExpandAllChildren(child)
child, cookie = self.GetNextChild(item, cookie)
class TreeHelper(object):
''' This class provides methods that are not part of the API of any
tree control, but are convenient to have available. '''
def GetItemChildren(self, item=None, recursively=False):
''' Return the children of item as a list. '''
if not item:
item = self.GetRootItem()
if not item:
return []
children = []
child, cookie = self.GetFirstChild(item)
while child:
children.append(child)
if recursively:
children.extend(self.GetItemChildren(child, True))
child, cookie = self.GetNextChild(item, cookie)
return children
def GetIndexOfItem(self, item):
''' Return the index of item. '''
parent = self.GetItemParent(item)
if parent:
parentIndices = self.GetIndexOfItem(parent)
ownIndex = self.GetItemChildren(parent).index(item)
return parentIndices + (ownIndex,)
else:
return ()
def GetItemByIndex(self, index):
''' Return the item specified by index. '''
item = self.GetRootItem()
for i in index:
children = self.GetItemChildren(item)
item = children[i]
return item
class VirtualTree(TreeAPIHarmonizer, TreeHelper):
''' This is a mixin class that can be used to allow for virtual tree
controls. It can be mixed in with wx.TreeCtrl, wx.gizmos.TreeListCtrl,
wx.lib.customtree.CustomTreeCtrl.
To use it derive a new class from this class and one of the tree
controls, e.g.:
class MyTree(VirtualTree, wx.TreeCtrl):
...
VirtualTree uses several callbacks (such as OnGetItemText) to
retrieve information needed to construct the tree and render the
items. To specify what item the callback needs information about,
the callback passes an item index. Whereas for list controls a simple
integer index can be used, for tree controls indicating a specific
item is a little bit more complicated. See below for a more detailed
explanation of the how index works.
Note that VirtualTree forces the wx.TR_HIDE_ROOT style.
In your subclass you *must* override OnGetItemText and
OnGetChildrenCount. These two methods are the minimum needed to
construct the tree and render the item labels. If you want to add
images, change fonts our colours, etc., you need to override the
appropriate OnGetXXX method as well.
About indices: your callbacks are passed a tuple of integers that
identifies the item the VirtualTree wants information about. An
empty tuple, i.e. (), represents the hidden root item. A tuple with
one integer, e.g. (3,), represents a visible root item, in this case
the fourth one. A tuple with two integers, e.g. (3,0), represents a
child of a visible root item, in this case the first child of the
fourth root item.
'''
def __init__(self, *args, **kwargs):
kwargs['style'] = kwargs.get('style', wx.TR_DEFAULT_STYLE) | \
wx.TR_HIDE_ROOT
super(VirtualTree, self).__init__(*args, **kwargs)
self.Bind(wx.EVT_TREE_ITEM_EXPANDING, self.OnItemExpanding)
self.Bind(wx.EVT_TREE_ITEM_COLLAPSED, self.OnItemCollapsed)
def OnGetChildrenCount(self, index):
''' This function *must* be overloaded in the derived class.
It should return the number of child items of the item with the
provided index. If index == () it should return the number of
root items. '''
raise NotImplementedError
def OnGetItemText(self, index, column=0):
''' This function *must* be overloaded in the derived class. It
should return the string containing the text of the specified
item. '''
raise NotImplementedError
def OnGetItemFont(self, index):
''' This function may be overloaded in the derived class. It
should return the wx.Font to be used for the specified item. '''
return wx.NullFont
def OnGetItemTextColour(self, index):
''' This function may be overloaded in the derived class. It
should return the wx.Colour to be used as text colour for the
specified item. '''
return wx.NullColour
def OnGetItemBackgroundColour(self, index):
''' This function may be overloaded in the derived class. It
should return the wx.Colour to be used as background colour for
the specified item. '''
return wx.NullColour
def OnGetItemImage(self, index, which=wx.TreeItemIcon_Normal, column=0):
''' This function may be overloaded in the derived class. It
should return the index of the image to be used. Don't forget
to associate an ImageList with the tree control. '''
return -1
def OnGetItemType(self, index):
''' This function may be overloaded in the derived class, but
that only makes sense when this class is mixed in with a tree
control that supports checkable items, i.e. CustomTreeCtrl.
This method should return whether the item is to be normal (0,
the default), a checkbox (1) or a radiobutton (2).
Note that OnGetItemChecked needs to be implemented as well; it
should return whether the item is actually checked. '''
return 0
def OnGetItemChecked(self, index):
''' This function may be overloaded in the derived class, but
that only makes sense when this class is mixed in with a tree
control that supports checkable items, i.e. CustomTreeCtrl.
This method should return whether the item is to be checked.
Note that OnGetItemType should return 1 (checkbox) or 2
(radiobutton) for this item. '''
return False
def RefreshItems(self):
''' Redraws all visible items. '''
rootItem = self.GetRootItem()
if not rootItem:
rootItem = self.AddRoot('Hidden root')
self.RefreshChildrenRecursively(rootItem)
def RefreshItem(self, index):
''' Redraws the item with the specified index. '''
try:
item = self.GetItemByIndex(index)
except IndexError:
# There's no corresponding item for index, because its parent
# has not been expanded yet.
return
hasChildren = bool(self.OnGetChildrenCount(index))
self.DoRefreshItem(item, index, hasChildren)
def RefreshChildrenRecursively(self, item, itemIndex=None):
''' Refresh the children of item, reusing as much of the
existing items in the tree as possible. '''
if itemIndex is None:
itemIndex = self.GetIndexOfItem(item)
reusableChildren = self.GetItemChildren(item)
for childIndex in self.ChildIndices(itemIndex):
if reusableChildren:
child = reusableChildren.pop(0)
else:
child = self.AppendItem(item, '')
self.RefreshItemRecursively(child, childIndex)
for child in reusableChildren:
self.Delete(child)
def RefreshItemRecursively(self, item, itemIndex):
''' Refresh the item and its children recursively. '''
hasChildren = bool(self.OnGetChildrenCount(itemIndex))
item = self.DoRefreshItem(item, itemIndex, hasChildren)
# We need to refresh the children when the item is expanded and
# when the item has no children, because in the latter case we
# might have to delete old children from the tree:
if self.IsExpanded(item) or not hasChildren:
self.RefreshChildrenRecursively(item, itemIndex)
self.SetItemHasChildren(item, hasChildren)
def DoRefreshItem(self, item, index, hasChildren):
''' Refresh one item. '''
item = self.RefreshItemType(item, index)
self.RefreshItemText(item, index)
self.RefreshColumns(item, index)
self.RefreshItemFont(item, index)
self.RefreshTextColour(item, index)
self.RefreshBackgroundColour(item, index)
self.RefreshItemImage(item, index, hasChildren)
self.RefreshCheckedState(item, index)
return item
def RefreshItemText(self, item, index):
self.__refreshAttribute(item, index, 'ItemText')
def RefreshColumns(self, item, index):
for columnIndex in range(1, self.GetColumnCount()):
self.__refreshAttribute(item, index, 'ItemText', columnIndex)
def RefreshItemFont(self, item, index):
self.__refreshAttribute(item, index, 'ItemFont')
def RefreshTextColour(self, item, index):
self.__refreshAttribute(item, index, 'ItemTextColour')
def RefreshBackgroundColour(self, item, index):
self.__refreshAttribute(item, index, 'ItemBackgroundColour')
def RefreshItemImage(self, item, index, hasChildren):
regularIcons = [wx.TreeItemIcon_Normal, wx.TreeItemIcon_Selected]
expandedIcons = [wx.TreeItemIcon_Expanded,
wx.TreeItemIcon_SelectedExpanded]
# Refresh images in first column:
for icon in regularIcons:
self.__refreshAttribute(item, index, 'ItemImage', icon)
for icon in expandedIcons:
if hasChildren:
imageIndex = self.OnGetItemImage(index, icon)
else:
imageIndex = -1
if self.GetItemImage(item, icon) != imageIndex or imageIndex == -1:
self.SetItemImage(item, imageIndex, icon)
# Refresh images in remaining columns, if any:
for columnIndex in range(1, self.GetColumnCount()):
for icon in regularIcons:
self.__refreshAttribute(item, index, 'ItemImage', icon,
columnIndex)
def RefreshItemType(self, item, index):
return self.__refreshAttribute(item, index, 'ItemType')
def RefreshCheckedState(self, item, index):
self.__refreshAttribute(item, index, 'ItemChecked')
def ChildIndices(self, itemIndex):
childrenCount = self.OnGetChildrenCount(itemIndex)
return [itemIndex + (childNumber,) for childNumber \
in range(childrenCount)]
def OnItemExpanding(self, event):
self.RefreshChildrenRecursively(event.GetItem())
event.Skip()
def OnItemCollapsed(self, event):
parent = self.GetItemParent(event.GetItem())
if not parent:
parent = self.GetRootItem()
self.RefreshChildrenRecursively(parent)
event.Skip()
def __refreshAttribute(self, item, index, attribute, *args):
''' Refresh the specified attribute if necessary. '''
value = getattr(self, 'OnGet%s'%attribute)(index, *args)
if getattr(self, 'Get%s'%attribute)(item, *args) != value:
return getattr(self, 'Set%s'%attribute)(item, value, *args)
else:
return item
class DragAndDrop(TreeAPIHarmonizer, TreeHelper):
''' This is a mixin class that can be used to easily implement
dragging and dropping of tree items. It can be mixed in with
wx.TreeCtrl, wx.gizmos.TreeListCtrl, or wx.lib.customtree.CustomTreeCtrl.
To use it derive a new class from this class and one of the tree
controls, e.g.:
class MyTree(DragAndDrop, wx.TreeCtrl):
...
You *must* implement OnDrop. OnDrop is called when the user has
dropped an item on top of another item. It's up to you to decide how
to handle the drop. If you are using this mixin together with the
VirtualTree mixin, it makes sense to rearrange your underlying data
and then call RefreshItems to let the virtual tree refresh itself. '''
def __init__(self, *args, **kwargs):
kwargs['style'] = kwargs.get('style', wx.TR_DEFAULT_STYLE) | \
wx.TR_HIDE_ROOT
super(DragAndDrop, self).__init__(*args, **kwargs)
self.Bind(wx.EVT_TREE_BEGIN_DRAG, self.OnBeginDrag)
def OnDrop(self, dropItem, dragItem):
''' This function must be overloaded in the derived class.
dragItem is the item being dragged by the user. dropItem is the
item dragItem is dropped upon. If the user doesn't drop dragItem
on another item, dropItem equals the (hidden) root item of the
tree control. '''
raise NotImplementedError
def OnBeginDrag(self, event):
# We allow only one item to be dragged at a time, to keep it simple
self._dragItem = event.GetItem()
if self._dragItem and self._dragItem != self.GetRootItem():
self.StartDragging()
event.Allow()
else:
event.Veto()
def OnEndDrag(self, event):
self.StopDragging()
dropTarget = event.GetItem()
if not dropTarget:
dropTarget = self.GetRootItem()
if self.IsValidDropTarget(dropTarget):
self.UnselectAll()
if dropTarget != self.GetRootItem():
self.SelectItem(dropTarget)
self.OnDrop(dropTarget, self._dragItem)
def OnDragging(self, event):
if not event.Dragging():
self.StopDragging()
return
item, flags, column = self.HitTest(wx.Point(event.GetX(), event.GetY()),
alwaysReturnColumn=True)
if not item:
item = self.GetRootItem()
if self.IsValidDropTarget(item):
self.SetCursorToDragging()
else:
self.SetCursorToDroppingImpossible()
if flags & wx.TREE_HITTEST_ONITEMBUTTON:
self.Expand(item)
if self.GetSelections() != [item]:
self.UnselectAll()
if item != self.GetRootItem():
self.SelectItem(item)
event.Skip()
def StartDragging(self):
self.GetMainWindow().Bind(wx.EVT_MOTION, self.OnDragging)
self.Bind(wx.EVT_TREE_END_DRAG, self.OnEndDrag)
self.SetCursorToDragging()
def StopDragging(self):
self.GetMainWindow().Unbind(wx.EVT_MOTION)
self.Unbind(wx.EVT_TREE_END_DRAG)
self.ResetCursor()
self.UnselectAll()
self.SelectItem(self._dragItem)
def SetCursorToDragging(self):
self.GetMainWindow().SetCursor(wx.StockCursor(wx.CURSOR_HAND))
def SetCursorToDroppingImpossible(self):
self.GetMainWindow().SetCursor(wx.StockCursor(wx.CURSOR_NO_ENTRY))
def ResetCursor(self):
self.GetMainWindow().SetCursor(wx.NullCursor)
def IsValidDropTarget(self, dropTarget):
if dropTarget:
allChildren = self.GetItemChildren(self._dragItem, recursively=True)
parent = self.GetItemParent(self._dragItem)
return dropTarget not in [self._dragItem, parent] + allChildren
else:
return True
class ExpansionState(TreeAPIHarmonizer, TreeHelper):
''' This is a mixin class that can be used to save and restore
the expansion state (i.e. which items are expanded and which items
are collapsed) of a tree. It can be mixed in with wx.TreeCtrl,
wx.gizmos.TreeListCtrl, or wx.lib.customtree.CustomTreeCtrl.
To use it derive a new class from this class and one of the tree
controls, e.g.:
class MyTree(ExpansionState, wx.TreeCtrl):
...
By default, ExpansionState uses the position of tree items in the tree
to keep track of which items are expanded. This should be sufficient
for the simple scenario where you save the expansion state of the tree
when the user closes the application or file so that you can restore
the expansion state when the user start the application or loads that
file for the next session.
If you need to add or remove items between the moments of saving and
restoring the expansion state (e.g. in case of a multi-user application)
you must override GetItemIdentity so that saving and loading of the
expansion doesn't depend on the position of items in the tree, but
rather on some more stable characteristic of the underlying domain
object, e.g. a social security number in case of persons or an isbn
number in case of books. '''
def GetItemIdentity(self, item):
''' Return a hashable object that represents the identity of the
item. By default this returns the position of the item in the
tree. You may want to override this to return the item label
(if you know that labels are unique and don't change), or return
something that represents the underlying domain object, e.g.
a database key. '''
return self.GetIndexOfItem(item)
def GetExpansionState(self):
''' GetExpansionState() -> list of expanded items. Expanded items
are coded as determined by the result of GetItemIdentity(item). '''
root = self.GetRootItem()
if not root:
return []
if self.HasFlag(wx.TR_HIDE_ROOT):
return self.GetExpansionStateOfChildren(root)
else:
return self.GetExpansionStateOfItem(root)
def SetExpansionState(self, listOfExpandedItems):
''' SetExpansionState(listOfExpandedItems). Expands all tree items
whose identity, as determined by GetItemIdentity(item), is present
in the list and collapses all other tree items. '''
root = self.GetRootItem()
if not root:
return
if self.HasFlag(wx.TR_HIDE_ROOT):
self.SetExpansionStateOfChildren(listOfExpandedItems, root)
else:
self.SetExpansionStateOfItem(listOfExpandedItems, root)
ExpansionState = property(GetExpansionState, SetExpansionState)
def GetExpansionStateOfItem(self, item):
listOfExpandedItems = []
if self.IsExpanded(item):
listOfExpandedItems.append(self.GetItemIdentity(item))
listOfExpandedItems.extend(self.GetExpansionStateOfChildren(item))
return listOfExpandedItems
def GetExpansionStateOfChildren(self, item):
listOfExpandedItems = []
for child in self.GetItemChildren(item):
listOfExpandedItems.extend(self.GetExpansionStateOfItem(child))
return listOfExpandedItems
def SetExpansionStateOfItem(self, listOfExpandedItems, item):
if self.GetItemIdentity(item) in listOfExpandedItems:
self.Expand(item)
self.SetExpansionStateOfChildren(listOfExpandedItems, item)
else:
self.Collapse(item)
def SetExpansionStateOfChildren(self, listOfExpandedItems, item):
for child in self.GetItemChildren(item):
self.SetExpansionStateOfItem(listOfExpandedItems, child)