c7426f4ca3
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33917 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
454 lines
16 KiB
Python
454 lines
16 KiB
Python
#----------------------------------------------------------------------
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# Name: wxPython.lib.filebrowsebutton
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# Purpose: Composite controls that provide a Browse button next to
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# either a wxTextCtrl or a wxComboBox. The Browse button
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# launches a wxFileDialog and loads the result into the
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# other control.
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#
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# Author: Mike Fletcher
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#
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# RCS-ID: $Id$
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# Copyright: (c) 2000 by Total Control Software
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# Licence: wxWindows license
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#----------------------------------------------------------------------
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# 12/02/2003 - Jeff Grimmett (grimmtooth@softhome.net)
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#
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# o 2.5 Compatability changes
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#
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import os
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import types
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import wx
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#----------------------------------------------------------------------
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class FileBrowseButton(wx.Panel):
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"""
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A control to allow the user to type in a filename or browse with
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the standard file dialog to select file
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"""
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def __init__ (self, parent, id= -1,
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pos = wx.DefaultPosition,
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size = wx.DefaultSize,
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style = wx.TAB_TRAVERSAL,
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labelText= "File Entry:",
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buttonText= "Browse",
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toolTip= "Type filename or click browse to choose file",
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# following are the values for a file dialog box
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dialogTitle = "Choose a file",
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startDirectory = ".",
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initialValue = "",
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fileMask = "*.*",
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fileMode = wx.OPEN,
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# callback for when value changes (optional)
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changeCallback= lambda x:x
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):
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"""
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:param labelText: Text for label to left of text field
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:param buttonText: Text for button which launches the file dialog
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:param toolTip: Help text
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:param dialogTitle: Title used in file dialog
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:param startDirectory: Default directory for file dialog startup
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:param fileMask: File mask (glob pattern, such as *.*) to use in file dialog
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:param fileMode: wx.OPEN or wx.SAVE, indicates type of file dialog to use
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:param changeCallback: Optional callback called for all changes in value of the control
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"""
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# store variables
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self.labelText = labelText
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self.buttonText = buttonText
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self.toolTip = toolTip
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self.dialogTitle = dialogTitle
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self.startDirectory = startDirectory
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self.initialValue = initialValue
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self.fileMask = fileMask
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self.fileMode = fileMode
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self.changeCallback = changeCallback
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self.callCallback = True
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# create the dialog
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self.createDialog(parent, id, pos, size, style )
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# Setting a value causes the changeCallback to be called.
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# In this case that would be before the return of the
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# constructor. Not good. So a default value on
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# SetValue is used to disable the callback
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self.SetValue( initialValue, 0)
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def createDialog( self, parent, id, pos, size, style ):
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"""Setup the graphic representation of the dialog"""
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wx.Panel.__init__ (self, parent, id, pos, size, style)
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self.SetMinSize(size) # play nice with sizers
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box = wx.BoxSizer(wx.HORIZONTAL)
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self.label = self.createLabel( )
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box.Add( self.label, 0, wx.CENTER )
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self.textControl = self.createTextControl()
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box.Add( self.textControl, 1, wx.LEFT|wx.CENTER, 5)
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self.browseButton = self.createBrowseButton()
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box.Add( self.browseButton, 0, wx.LEFT|wx.CENTER, 5)
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# add a border around the whole thing and resize the panel to fit
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outsidebox = wx.BoxSizer(wx.VERTICAL)
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outsidebox.Add(box, 1, wx.EXPAND|wx.ALL, 3)
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outsidebox.Fit(self)
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self.SetAutoLayout(True)
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self.SetSizer( outsidebox )
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self.Layout()
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if type( size ) == types.TupleType:
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size = apply( wx.Size, size)
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self.SetDimensions(-1, -1, size.width, size.height, wx.SIZE_USE_EXISTING)
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# if size.width != -1 or size.height != -1:
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# self.SetSize(size)
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def SetBackgroundColour(self,color):
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wx.Panel.SetBackgroundColour(self,color)
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self.label.SetBackgroundColour(color)
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def createLabel( self ):
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"""Create the label/caption"""
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label = wx.StaticText(self, -1, self.labelText, style =wx.ALIGN_RIGHT )
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font = label.GetFont()
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w, h, d, e = self.GetFullTextExtent(self.labelText, font)
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label.SetSize((w+5, h))
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return label
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def createTextControl( self):
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"""Create the text control"""
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textControl = wx.TextCtrl(self, -1)
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textControl.SetToolTipString( self.toolTip )
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if self.changeCallback:
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textControl.Bind(wx.EVT_TEXT, self.OnChanged)
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textControl.Bind(wx.EVT_COMBOBOX, self.OnChanged)
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return textControl
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def OnChanged(self, evt):
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if self.callCallback and self.changeCallback:
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self.changeCallback(evt)
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def createBrowseButton( self):
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"""Create the browse-button control"""
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button =wx.Button(self, -1, self.buttonText)
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button.SetToolTipString( self.toolTip )
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button.Bind(wx.EVT_BUTTON, self.OnBrowse)
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return button
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def OnBrowse (self, event = None):
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""" Going to browse for file... """
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current = self.GetValue()
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directory = os.path.split(current)
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if os.path.isdir( current):
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directory = current
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current = ''
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elif directory and os.path.isdir( directory[0] ):
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current = directory[1]
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directory = directory [0]
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else:
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directory = self.startDirectory
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dlg = wx.FileDialog(self, self.dialogTitle, directory, current,
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self.fileMask, self.fileMode)
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if dlg.ShowModal() == wx.ID_OK:
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self.SetValue(dlg.GetPath())
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dlg.Destroy()
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def GetValue (self):
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"""
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retrieve current value of text control
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"""
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return self.textControl.GetValue()
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def SetValue (self, value, callBack=1):
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"""set current value of text control"""
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save = self.callCallback
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self.callCallback = callBack
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self.textControl.SetValue(value)
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self.callCallback = save
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def Enable (self, value):
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""" Convenient enabling/disabling of entire control """
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self.label.Enable (value)
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self.textControl.Enable (value)
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return self.browseButton.Enable (value)
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def GetLabel( self ):
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""" Retrieve the label's current text """
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return self.label.GetLabel()
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def SetLabel( self, value ):
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""" Set the label's current text """
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rvalue = self.label.SetLabel( value )
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self.Refresh( True )
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return rvalue
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class FileBrowseButtonWithHistory( FileBrowseButton ):
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"""
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with following additions:
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__init__(..., history=None)
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history -- optional list of paths for initial history drop-down
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(must be passed by name, not a positional argument)
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If history is callable it will must return a list used
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for the history drop-down
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changeCallback -- as for FileBrowseButton, but with a work-around
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for win32 systems which don't appear to create wx.EVT_COMBOBOX
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events properly. There is a (slight) chance that this work-around
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will cause some systems to create two events for each Combobox
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selection. If you discover this condition, please report it!
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As for a FileBrowseButton.__init__ otherwise.
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GetHistoryControl()
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Return reference to the control which implements interfaces
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required for manipulating the history list. See GetHistoryControl
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documentation for description of what that interface is.
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GetHistory()
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Return current history list
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SetHistory( value=(), selectionIndex = None )
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Set current history list, if selectionIndex is not None, select that index
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"""
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def __init__( self, *arguments, **namedarguments):
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self.history = namedarguments.get( "history" )
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if self.history:
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del namedarguments["history"]
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self.historyCallBack=None
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if callable(self.history):
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self.historyCallBack=self.history
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self.history=None
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apply( FileBrowseButton.__init__, ( self,)+arguments, namedarguments)
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def createTextControl( self):
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"""Create the text control"""
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textControl = wx.ComboBox(self, -1, style = wx.CB_DROPDOWN )
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textControl.SetToolTipString( self.toolTip )
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textControl.Bind(wx.EVT_SET_FOCUS, self.OnSetFocus)
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if self.changeCallback:
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textControl.Bind(wx.EVT_TEXT, self.changeCallback)
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textControl.Bind(wx.EVT_COMBOBOX, self.changeCallback)
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if self.history:
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history=self.history
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self.history=None
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self.SetHistory( history, control=textControl)
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return textControl
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def GetHistoryControl( self ):
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"""
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Return a pointer to the control which provides (at least)
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the following methods for manipulating the history list:
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Append( item ) -- add item
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Clear() -- clear all items
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Delete( index ) -- 0-based index to delete from list
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SetSelection( index ) -- 0-based index to select in list
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Semantics of the methods follow those for the wxComboBox control
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"""
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return self.textControl
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def SetHistory( self, value=(), selectionIndex = None, control=None ):
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"""Set the current history list"""
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if control is None:
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control = self.GetHistoryControl()
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if self.history == value:
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return
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self.history = value
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# Clear history values not the selected one.
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tempValue=control.GetValue()
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# clear previous values
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control.Clear()
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control.SetValue(tempValue)
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# walk through, appending new values
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for path in value:
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control.Append( path )
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if selectionIndex is not None:
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control.SetSelection( selectionIndex )
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def GetHistory( self ):
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"""Return the current history list"""
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if self.historyCallBack != None:
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return self.historyCallBack()
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else:
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return list( self.history )
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def OnSetFocus(self, event):
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"""When the history scroll is selected, update the history"""
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if self.historyCallBack != None:
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self.SetHistory( self.historyCallBack(), control=self.textControl)
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event.Skip()
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if wx.Platform == "__WXMSW__":
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def SetValue (self, value, callBack=1):
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""" Convenient setting of text control value, works
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around limitation of wx.ComboBox """
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save = self.callCallback
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self.callCallback = callBack
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self.textControl.SetValue(value)
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self.callCallback = save
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# Hack to call an event handler
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class LocalEvent:
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def __init__(self, string):
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self._string=string
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def GetString(self):
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return self._string
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if callBack==1:
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# The callback wasn't being called when SetValue was used ??
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# So added this explicit call to it
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self.changeCallback(LocalEvent(value))
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class DirBrowseButton(FileBrowseButton):
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def __init__(self, parent, id = -1,
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pos = wx.DefaultPosition, size = wx.DefaultSize,
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style = wx.TAB_TRAVERSAL,
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labelText = 'Select a directory:',
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buttonText = 'Browse',
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toolTip = 'Type directory name or browse to select',
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dialogTitle = '',
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startDirectory = '.',
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changeCallback = None,
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dialogClass = wx.DirDialog,
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newDirectory = False):
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FileBrowseButton.__init__(self, parent, id, pos, size, style,
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labelText, buttonText, toolTip,
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dialogTitle, startDirectory,
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changeCallback = changeCallback)
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self.dialogClass = dialogClass
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self.newDirectory = newDirectory
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#
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def OnBrowse(self, ev = None):
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style=0
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if self.newDirectory:
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style|=wx.DD_NEW_DIR_BUTTON
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dialog = self.dialogClass(self,
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message = self.dialogTitle,
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defaultPath = self.startDirectory,
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style = style)
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if dialog.ShowModal() == wx.ID_OK:
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self.SetValue(dialog.GetPath())
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dialog.Destroy()
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#
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#----------------------------------------------------------------------
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if __name__ == "__main__":
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#from skeletonbuilder import rulesfile
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class SimpleCallback:
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def __init__( self, tag ):
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self.tag = tag
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def __call__( self, event ):
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print self.tag, event.GetString()
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class DemoFrame( wx.Frame ):
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def __init__(self, parent):
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wx.Frame.__init__(self, parent, -1, "File entry with browse", size=(500,260))
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self.Bind(wx.EVT_CLOSE, self.OnCloseWindow)
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panel = wx.Panel (self,-1)
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innerbox = wx.BoxSizer(wx.VERTICAL)
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control = FileBrowseButton(
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panel,
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initialValue = "z:\\temp",
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)
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innerbox.Add( control, 0, wx.EXPAND )
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middlecontrol = FileBrowseButtonWithHistory(
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panel,
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labelText = "With History",
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initialValue = "d:\\temp",
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history = ["c:\\temp", "c:\\tmp", "r:\\temp","z:\\temp"],
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changeCallback= SimpleCallback( "With History" ),
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)
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innerbox.Add( middlecontrol, 0, wx.EXPAND )
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middlecontrol = FileBrowseButtonWithHistory(
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panel,
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labelText = "History callback",
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initialValue = "d:\\temp",
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history = self.historyCallBack,
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changeCallback= SimpleCallback( "History callback" ),
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)
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innerbox.Add( middlecontrol, 0, wx.EXPAND )
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self.bottomcontrol = control = FileBrowseButton(
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panel,
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labelText = "With Callback",
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style = wx.SUNKEN_BORDER|wx.CLIP_CHILDREN ,
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changeCallback= SimpleCallback( "With Callback" ),
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)
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innerbox.Add( control, 0, wx.EXPAND)
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self.bottommostcontrol = control = DirBrowseButton(
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panel,
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labelText = "Simple dir browse button",
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style = wx.SUNKEN_BORDER|wx.CLIP_CHILDREN)
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innerbox.Add( control, 0, wx.EXPAND)
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ID = wx.NewId()
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innerbox.Add( wx.Button( panel, ID,"Change Label", ), 1, wx.EXPAND)
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self.Bind(wx.EVT_BUTTON, self.OnChangeLabel , id=ID)
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ID = wx.NewId()
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innerbox.Add( wx.Button( panel, ID,"Change Value", ), 1, wx.EXPAND)
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self.Bind(wx.EVT_BUTTON, self.OnChangeValue, id=ID )
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panel.SetAutoLayout(True)
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panel.SetSizer( innerbox )
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self.history={"c:\\temp":1, "c:\\tmp":1, "r:\\temp":1,"z:\\temp":1}
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def historyCallBack(self):
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keys=self.history.keys()
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keys.sort()
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return keys
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def OnFileNameChangedHistory (self, event):
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self.history[event.GetString ()]=1
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def OnCloseMe(self, event):
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self.Close(True)
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def OnChangeLabel( self, event ):
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self.bottomcontrol.SetLabel( "Label Updated" )
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def OnChangeValue( self, event ):
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self.bottomcontrol.SetValue( "r:\\somewhere\\over\\the\\rainbow.htm" )
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def OnCloseWindow(self, event):
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self.Destroy()
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class DemoApp(wx.App):
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def OnInit(self):
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wx.InitAllImageHandlers()
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frame = DemoFrame(None)
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frame.Show(True)
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self.SetTopWindow(frame)
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return True
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def test( ):
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app = DemoApp(0)
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app.MainLoop()
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print 'Creating dialog'
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test( )
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