+#----------------------------------------------------------------------
+# Name: wxPython.lib.filebrowsebutton
+# Purpose: Composite controls that provide a Browse button next to
+# either a wxTextCtrl or a wxComboBox. The Browse button
+# launches a wxFileDialog and loads the result into the
+# other control.
+#
+# Author: Mike Fletcher
+#
+# RCS-ID: $Id$
+# Copyright: (c) 2000 by Total Control Software
+# Licence: wxWindows license
+#----------------------------------------------------------------------
+# 12/02/2003 - Jeff Grimmett (grimmtooth@softhome.net)
+#
+# o 2.5 Compatability changes
+#
+
+import os
+import types
+
+import wx
+
+#----------------------------------------------------------------------
+
+class FileBrowseButton(wx.Panel):
+ """ A control to allow the user to type in a filename
+ or browse with the standard file dialog to select file
+
+ __init__ (
+ parent, id, pos, size -- passed directly to wxPanel initialisation
+ style = wxTAB_TRAVERSAL -- passed directly to wxPanel initialisation
+ labelText -- Text for label to left of text field
+ buttonText -- Text for button which launches the file dialog
+ toolTip -- Help text
+ dialogTitle -- Title used in file dialog
+ startDirectory -- Default directory for file dialog startup
+ fileMask -- File mask (glob pattern, such as *.*) to use in file dialog
+ fileMode -- wxOPEN or wxSAVE, indicates type of file dialog to use
+ changeCallback -- callback receives all > > changes in value of control
+ )
+ GetValue() -- retrieve current value of text control
+ SetValue(string) -- set current value of text control
+ label -- pointer to internal label widget
+ textControl -- pointer to internal text control
+ browseButton -- pointer to button
+ """
+ def __init__ (self, parent, id= -1,
+ pos = wx.DefaultPosition, size = wx.DefaultSize,
+ style = wx.TAB_TRAVERSAL,
+ labelText= "File Entry:",
+ buttonText= "Browse",
+ toolTip= "Type filename or click browse to choose file",
+ # following are the values for a file dialog box
+ dialogTitle = "Choose a file",
+ startDirectory = ".",
+ initialValue = "",
+ fileMask = "*.*",
+ fileMode = wx.OPEN,
+ # callback for when value changes (optional)
+ changeCallback= lambda x:x
+ ):
+ # store variables
+ self.labelText = labelText
+ self.buttonText = buttonText
+ self.toolTip = toolTip
+ self.dialogTitle = dialogTitle
+ self.startDirectory = startDirectory
+ self.initialValue = initialValue
+ self.fileMask = fileMask
+ self.fileMode = fileMode
+ self.changeCallback = changeCallback
+ self.callCallback = True
+
+
+ # get background to match it
+ try:
+ self._bc = parent.GetBackgroundColour()
+ except:
+ pass
+
+ # create the dialog
+ self.createDialog(parent, id, pos, size, style )
+ # Setting a value causes the changeCallback to be called.
+ # In this case that would be before the return of the
+ # constructor. Not good. So a default value on
+ # SetValue is used to disable the callback
+ self.SetValue( initialValue, 0)
+
+
+ def createDialog( self, parent, id, pos, size, style ):
+ """Setup the graphic representation of the dialog"""
+ wx.Panel.__init__ (self, parent, id, pos, size, style)
+ # try to set the background colour
+ try:
+ self.SetBackgroundColour(self._bc)
+ except:
+ pass
+ box = wx.BoxSizer(wx.HORIZONTAL)
+
+ self.label = self.createLabel( )
+ box.Add( self.label, 0, wx.CENTER )
+
+ self.textControl = self.createTextControl()
+ box.Add( self.textControl, 1, wx.LEFT|wx.CENTER, 5)
+
+ self.browseButton = self.createBrowseButton()
+ box.Add( self.browseButton, 0, wx.LEFT|wx.CENTER, 5)
+
+ # add a border around the whole thing and resize the panel to fit
+ outsidebox = wx.BoxSizer(wx.VERTICAL)
+ outsidebox.Add(box, 1, wx.EXPAND|wx.ALL, 3)
+ outsidebox.Fit(self)
+
+ self.SetAutoLayout(True)
+ self.SetSizer( outsidebox )
+ self.Layout()
+ if type( size ) == types.TupleType:
+ size = apply( wx.Size, size)
+ self.SetDimensions(-1, -1, size.width, size.height, wx.SIZE_USE_EXISTING)
+
+# if size.width != -1 or size.height != -1:
+# self.SetSize(size)
+
+ def SetBackgroundColour(self,color):
+ wx.Panel.SetBackgroundColour(self,color)
+ self.label.SetBackgroundColour(color)
+
+ def createLabel( self ):
+ """Create the label/caption"""
+ label = wx.StaticText(self, -1, self.labelText, style =wx.ALIGN_RIGHT )
+ font = label.GetFont()
+ w, h, d, e = self.GetFullTextExtent(self.labelText, font)
+ label.SetSize((w+5, h))
+ return label
+
+ def createTextControl( self):
+ """Create the text control"""
+ textControl = wx.TextCtrl(self, -1)
+ textControl.SetToolTipString( self.toolTip )
+ if self.changeCallback:
+ textControl.Bind(wx.EVT_TEXT, self.OnChanged)
+ textControl.Bind(wx.EVT_COMBOBOX, self.OnChanged)
+ return textControl
+
+ def OnChanged(self, evt):
+ if self.callCallback and self.changeCallback:
+ self.changeCallback(evt)
+
+ def createBrowseButton( self):
+ """Create the browse-button control"""
+ button =wx.Button(self, -1, self.buttonText)
+ button.SetToolTipString( self.toolTip )
+ button.Bind(wx.EVT_BUTTON, self.OnBrowse)
+ return button
+
+
+ def OnBrowse (self, event = None):
+ """ Going to browse for file... """
+ current = self.GetValue()
+ directory = os.path.split(current)
+ if os.path.isdir( current):
+ directory = current
+ current = ''
+ elif directory and os.path.isdir( directory[0] ):
+ current = directory[1]
+ directory = directory [0]
+ else:
+ directory = self.startDirectory
+ dlg = wx.FileDialog(self, self.dialogTitle, directory, current,
+ self.fileMask, self.fileMode)
+
+ if dlg.ShowModal() == wx.ID_OK:
+ self.SetValue(dlg.GetPath())
+ dlg.Destroy()
+
+
+ def GetValue (self):
+ """ Convenient access to text control value """
+ return self.textControl.GetValue()
+
+ def SetValue (self, value, callBack=1):
+ """ Convenient setting of text control value """
+ save = self.callCallback
+ self.callCallback = callBack
+ self.textControl.SetValue(value)
+ self.callCallback = save
+
+
+ def Enable (self, value):
+ """ Convenient enabling/disabling of entire control """
+ self.label.Enable (value)
+ self.textControl.Enable (value)
+ return self.browseButton.Enable (value)
+
+ def GetLabel( self ):
+ """ Retrieve the label's current text """
+ return self.label.GetLabel()
+
+ def SetLabel( self, value ):
+ """ Set the label's current text """
+ rvalue = self.label.SetLabel( value )
+ self.Refresh( True )
+ return rvalue
+
+
+
+
+class FileBrowseButtonWithHistory( FileBrowseButton ):
+ """ with following additions:
+ __init__(..., history=None)
+
+ history -- optional list of paths for initial history drop-down
+ (must be passed by name, not a positional argument)
+ If history is callable it will must return a list used
+ for the history drop-down
+ changeCallback -- as for FileBrowseButton, but with a work-around
+ for win32 systems which don't appear to create wx.EVT_COMBOBOX
+ events properly. There is a (slight) chance that this work-around
+ will cause some systems to create two events for each Combobox
+ selection. If you discover this condition, please report it!
+ As for a FileBrowseButton.__init__ otherwise.
+ GetHistoryControl()
+ Return reference to the control which implements interfaces
+ required for manipulating the history list. See GetHistoryControl
+ documentation for description of what that interface is.
+ GetHistory()
+ Return current history list
+ SetHistory( value=(), selectionIndex = None )
+ Set current history list, if selectionIndex is not None, select that index
+ """
+ def __init__( self, *arguments, **namedarguments):
+ self.history = namedarguments.get( "history" )
+ if self.history:
+ del namedarguments["history"]
+
+ self.historyCallBack=None
+ if callable(self.history):
+ self.historyCallBack=self.history
+ self.history=None
+ apply( FileBrowseButton.__init__, ( self,)+arguments, namedarguments)
+
+
+ def createTextControl( self):
+ """Create the text control"""
+ textControl = wx.ComboBox(self, -1, style = wx.CB_DROPDOWN )
+ textControl.SetToolTipString( self.toolTip )
+ textControl.Bind(wx.EVT_SET_FOCUS, self.OnSetFocus)
+ if self.changeCallback:
+ textControl.Bind(wx.EVT_TEXT, self.changeCallback)
+ textControl.Bind(wx.EVT_COMBOBOX, self.changeCallback)
+ if self.history:
+ history=self.history
+ self.history=None
+ self.SetHistory( history, control=textControl)
+ return textControl
+
+
+ def GetHistoryControl( self ):
+ """Return a pointer to the control which provides (at least)
+ the following methods for manipulating the history list.:
+ Append( item ) -- add item
+ Clear() -- clear all items
+ Delete( index ) -- 0-based index to delete from list
+ SetSelection( index ) -- 0-based index to select in list
+ Semantics of the methods follow those for the wxComboBox control
+ """
+ return self.textControl
+
+
+ def SetHistory( self, value=(), selectionIndex = None, control=None ):
+ """Set the current history list"""
+ if control is None:
+ control = self.GetHistoryControl()
+ if self.history == value:
+ return
+ self.history = value
+ # Clear history values not the selected one.
+ tempValue=control.GetValue()
+ # clear previous values
+ control.Clear()
+ control.SetValue(tempValue)
+ # walk through, appending new values
+ for path in value:
+ control.Append( path )
+ if selectionIndex is not None:
+ control.SetSelection( selectionIndex )
+
+
+ def GetHistory( self ):
+ """Return the current history list"""
+ if self.historyCallBack != None:
+ return self.historyCallBack()
+ else:
+ return list( self.history )
+
+
+ def OnSetFocus(self, event):
+ """When the history scroll is selected, update the history"""
+ if self.historyCallBack != None:
+ self.SetHistory( self.historyCallBack(), control=self.textControl)
+ event.Skip()
+
+
+ if wx.Platform == "__WXMSW__":
+ def SetValue (self, value, callBack=1):
+ """ Convenient setting of text control value, works
+ around limitation of wx.ComboBox """
+ save = self.callCallback
+ self.callCallback = callBack
+ self.textControl.SetValue(value)
+ self.callCallback = save
+
+ # Hack to call an event handler
+ class LocalEvent:
+ def __init__(self, string):
+ self._string=string
+ def GetString(self):
+ return self._string
+ if callBack==1:
+ # The callback wasn't being called when SetValue was used ??
+ # So added this explicit call to it
+ self.changeCallback(LocalEvent(value))
+
+
+class DirBrowseButton(FileBrowseButton):
+ def __init__(self, parent, id = -1,
+ pos = wx.DefaultPosition, size = wx.DefaultSize,
+ style = wx.TAB_TRAVERSAL,
+ labelText = 'Select a directory:',
+ buttonText = 'Browse',
+ toolTip = 'Type directory name or browse to select',
+ dialogTitle = '',
+ startDirectory = '.',
+ changeCallback = None,
+ dialogClass = wx.DirDialog):
+ FileBrowseButton.__init__(self, parent, id, pos, size, style,
+ labelText, buttonText, toolTip,
+ dialogTitle, startDirectory,
+ changeCallback = changeCallback)
+ self.dialogClass = dialogClass
+ #
+
+ def OnBrowse(self, ev = None):
+ dialog = self.dialogClass(self,
+ message = self.dialogTitle,
+ defaultPath = self.startDirectory)
+ if dialog.ShowModal() == wx.ID_OK:
+ self.SetValue(dialog.GetPath())
+ dialog.Destroy()
+ #
+
+
+#----------------------------------------------------------------------
+
+
+if __name__ == "__main__":
+ #from skeletonbuilder import rulesfile
+ class SimpleCallback:
+ def __init__( self, tag ):
+ self.tag = tag
+ def __call__( self, event ):
+ print self.tag, event.GetString()
+ class DemoFrame( wx.Frame ):
+ def __init__(self, parent):
+ wx.Frame.__init__(self, parent, -1, "File entry with browse", size=(500,260))
+ self.Bind(wx.EVT_CLOSE, self.OnCloseWindow)
+ panel = wx.Panel (self,-1)
+ innerbox = wx.BoxSizer(wx.VERTICAL)
+ control = FileBrowseButton(
+ panel,
+ initialValue = "z:\\temp",
+ )
+ innerbox.Add( control, 0, wx.EXPAND )
+ middlecontrol = FileBrowseButtonWithHistory(
+ panel,
+ labelText = "With History",
+ initialValue = "d:\\temp",
+ history = ["c:\\temp", "c:\\tmp", "r:\\temp","z:\\temp"],
+ changeCallback= SimpleCallback( "With History" ),
+ )
+ innerbox.Add( middlecontrol, 0, wx.EXPAND )
+ middlecontrol = FileBrowseButtonWithHistory(
+ panel,
+ labelText = "History callback",
+ initialValue = "d:\\temp",
+ history = self.historyCallBack,
+ changeCallback= SimpleCallback( "History callback" ),
+ )
+ innerbox.Add( middlecontrol, 0, wx.EXPAND )
+ self.bottomcontrol = control = FileBrowseButton(
+ panel,
+ labelText = "With Callback",
+ style = wx.SUNKEN_BORDER|wx.CLIP_CHILDREN ,
+ changeCallback= SimpleCallback( "With Callback" ),
+ )
+ innerbox.Add( control, 0, wx.EXPAND)
+ self.bottommostcontrol = control = DirBrowseButton(
+ panel,
+ labelText = "Simple dir browse button",
+ style = wx.SUNKEN_BORDER|wx.CLIP_CHILDREN)
+ innerbox.Add( control, 0, wx.EXPAND)
+ ID = wx.NewId()
+ innerbox.Add( wx.Button( panel, ID,"Change Label", ), 1, wx.EXPAND)
+ self.Bind(wx.EVT_BUTTON, self.OnChangeLabel , id=ID)
+ ID = wx.NewId()
+ innerbox.Add( wx.Button( panel, ID,"Change Value", ), 1, wx.EXPAND)
+ self.Bind(wx.EVT_BUTTON, self.OnChangeValue, id=ID )
+ panel.SetAutoLayout(True)
+ panel.SetSizer( innerbox )
+ self.history={"c:\\temp":1, "c:\\tmp":1, "r:\\temp":1,"z:\\temp":1}
+
+ def historyCallBack(self):
+ keys=self.history.keys()
+ keys.sort()
+ return keys
+
+ def OnFileNameChangedHistory (self, event):
+ self.history[event.GetString ()]=1
+
+ def OnCloseMe(self, event):
+ self.Close(True)
+ def OnChangeLabel( self, event ):
+ self.bottomcontrol.SetLabel( "Label Updated" )
+ def OnChangeValue( self, event ):
+ self.bottomcontrol.SetValue( "r:\\somewhere\\over\\the\\rainbow.htm" )
+
+ def OnCloseWindow(self, event):
+ self.Destroy()
+
+ class DemoApp(wx.App):
+ def OnInit(self):
+ wx.InitAllImageHandlers()
+ frame = DemoFrame(None)
+ frame.Show(True)
+ self.SetTopWindow(frame)
+ return True
+
+ def test( ):
+ app = DemoApp(0)
+ app.MainLoop()
+ print 'Creating dialog'
+ test( )
projects / wxWidgets.git / blobdiff