]> git.saurik.com Git - wxWidgets.git/blobdiff - wxPython/wx/lib/filebrowsebutton.py
Added a set of button classes to wx.lib.buttons from David Hughes that
[wxWidgets.git] / wxPython / wx / lib / filebrowsebutton.py
index fd03baab5296ccdb2b57cd6c2907c33e6fddf005..e2e829da025609246e7cbbd5f52ea7afc2a594db 100644 (file)
@@ -1,8 +1,460 @@
+#----------------------------------------------------------------------
+# 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
+    """
+    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,
+                  labelWidth = 0
+        ):
+        """
+        :param labelText:      Text for label to left of text field
+        :param buttonText:     Text for button which launches the file dialog
+        :param toolTip:        Help text
+        :param dialogTitle:    Title used in file dialog
+        :param startDirectory: Default directory for file dialog startup
+        :param fileMask:       File mask (glob pattern, such as *.*) to use in file dialog
+        :param fileMode:       wx.OPEN or wx.SAVE, indicates type of file dialog to use
+        :param changeCallback: Optional callback called for all changes in value of the control
+        :param labelWidth:     Width of the label
+        """
+      
+        # 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
+        self.labelWidth = labelWidth
+
+        # 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)
+        self.SetMinSize(size) # play nice with sizers
+
+        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)
+        if self.labelWidth > 0:
+            label.SetSize((self.labelWidth+5, h))
+        else:
+            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):
+        """
+        retrieve current value of text control
+        """
+        return self.textControl.GetValue()
+
+    def SetValue (self, value, callBack=1):
+        """set current value of text control"""
+        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.OnChanged)
+            textControl.Bind(wx.EVT_COMBOBOX, self.OnChanged)
+        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()
+        elif self.history:
+            return list( self.history )
+        else:
+            return []
+
+
+    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,
+                 newDirectory = False):
+        FileBrowseButton.__init__(self, parent, id, pos, size, style,
+                                  labelText, buttonText, toolTip,
+                                  dialogTitle, startDirectory,
+                                  changeCallback = changeCallback)
+        self.dialogClass = dialogClass
+        self.newDirectory = newDirectory
+    #
+
+    def OnBrowse(self, ev = None):
+        style=0
+
+        if self.newDirectory:
+          style|=wx.DD_NEW_DIR_BUTTON
+
+        dialog = self.dialogClass(self,
+                                  message = self.dialogTitle,
+                                  defaultPath = self.startDirectory,
+                                  style = style)
+
+        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( )
+
 
-"""Renamer stub: provides a way to drop the wx prefix from wxPython objects."""
 
-from wx import _rename
-from wxPython.lib import filebrowsebutton
-_rename(globals(), filebrowsebutton.__dict__, modulename='lib.filebrowsebutton')
-del filebrowsebutton
-del _rename