]> git.saurik.com Git - wxWidgets.git/blobdiff - wxPython/demo/Main.py
Reorganized the tree in the wxPython demo, hooked the MDI demos into
[wxWidgets.git] / wxPython / demo / Main.py
index 6d5a116d187971cb41b3fc2963961d457ca78ad0..bfaff9c5ebc9521f5686bd52f7760bd56f0035ff 100644 (file)
 # Licence:      wxWindows license
 #----------------------------------------------------------------------------
 
-import sys, os
+import sys, os, time, string
 from   wxPython.wx import *
-from   wxPython.lib.splashscreen import SplashScreen
 from   wxPython.html import wxHtmlWindow
 
+import images
+
 #---------------------------------------------------------------------------
 
 
+## _treeList = [
+##     ('New since last release', ['wxGenericDirCtrl',
+##                                 'wxImageFromStream',
+##                                 'RowColSizer',
+##                                 'Unicode',
+##                                 'wxFileHistory',
+##                                 ]),
+
+##     ('Windows', ['wxFrame', 'wxDialog', 'wxMiniFrame',
+##                  'wxGrid', 'wxSashWindow',
+##                  'wxScrolledWindow', 'wxSplitterWindow',
+##                  'wxStatusBar', 'wxNotebook',
+##                  'wxHtmlWindow',
+##                  'wxStyledTextCtrl_1', 'wxStyledTextCtrl_2',
+##                  'wxPopupWindow',
+##                  'wxDynamicSashWindow',
+##                  ]),
+
+##     ('Common Dialogs', ['wxColourDialog', 'wxDirDialog', 'wxFileDialog',
+##                         'wxSingleChoiceDialog', 'wxTextEntryDialog',
+##                         'wxFontDialog', 'wxPageSetupDialog', 'wxPrintDialog',
+##                         'wxMessageDialog', 'wxProgressDialog', 'wxFindReplaceDialog',
+##                         ]),
+
+##     ('Controls', ['wxButton', 'wxCheckBox', 'wxCheckListBox', 'wxChoice',
+##                   'wxComboBox', 'wxGauge', 'wxListBox', 'wxListCtrl', 'VirtualListCtrl',
+##                   'wxTextCtrl',
+##                   'wxTreeCtrl', 'wxSpinButton', 'wxSpinCtrl', 'wxStaticText',
+##                   'wxStaticBitmap', 'wxRadioBox', 'wxSlider', 'wxToolBar',
+##                   'wxCalendarCtrl', 'wxToggleButton',
+##                   'wxEditableListBox', 'wxLEDNumberCtrl',
+##                   ]),
+
+##     ('Window Layout', ['wxLayoutConstraints', 'LayoutAnchors', 'Sizers', 'XML_Resource',
+##                        'RowColSizer',
+##                        ]),
+
+##     ('Miscellaneous', [ 'DragAndDrop', 'CustomDragAndDrop', 'URLDragAndDrop',
+##                         'FontEnumerator',
+##                         'wxTimer', 'wxValidator', 'wxGLCanvas', 'DialogUnits',
+##                         'wxImage', 'wxMask', 'PrintFramework', 'wxOGL',
+##                         'PythonEvents', 'Threads',
+##                         'ActiveXWrapper_Acrobat', 'ActiveXWrapper_IE',
+##                         'wxDragImage', "wxProcess", "FancyText", "OOR", "wxWave",
+##                         'wxJoystick', 'DrawXXXList', 'ErrorDialogs', 'wxMimeTypesManager',
+##                         'ContextHelp', 'SplitTree', 'Unicode', 'wxFileHistory',
+##                         ]),
+
+##     ('wxPython Library', ['Layoutf', 'wxScrolledMessageDialog',
+##                           'wxMultipleChoiceDialog', 'wxPlotCanvas', 'wxFloatBar',
+##                           'wxCalendar', 'wxMVCTree', 'wxVTKRenderWindow',
+##                           'FileBrowseButton', 'GenericButtons', 'wxEditor',
+##                           'ColourSelect', 'ImageBrowser',
+##                           'infoframe', 'ColourDB', 'PyCrust', 'PyCrustWithFilling',
+##                           'TablePrint',
+##                           'wxRightTextCtrl',
+##                           ]),
+
+##     ('Cool Contribs', ['pyTree', 'hangman',
+##                        #'SlashDot',
+##                        'XMLtreeview'
+##                        ]),
+
+##     ]
+
+
 _treeList = [
-    ('New since last release', ['PyShellWindow',
-                                ]),
+    # new stuff
+    ('New since last release', [
+        'RowColSizer',
+        'Unicode',
+        'wxFileHistory',
+        'wxGenericDirCtrl',
+        'wxImageFromStream',
+        ]),
+
+    # managed windows == things with a caption you can close
+    ('Base Frames and Dialogs', [
+        'wxDialog',
+        'wxFrame',
+        'wxMDIWindows',
+        'wxMiniFrame',
+        ]),
+
+    # the common dialogs
+    ('Common Dialogs', [
+        'wxColourDialog',
+        'wxDirDialog',
+        'wxFileDialog',
+        'wxFindReplaceDialog',
+        'wxFontDialog',
+        'wxMessageDialog',
+        'wxPageSetupDialog',
+        'wxPrintDialog',
+        'wxProgressDialog',
+        'wxSingleChoiceDialog',
+        'wxTextEntryDialog',
+        ]),
+
+    # dialogs form libraries
+    ('More Dialogs', [
+        'ErrorDialogs',
+        'ImageBrowser',
+        'wxMultipleChoiceDialog',
+        'wxScrolledMessageDialog',
+        ]),
+
+    # core controls
+    ('Core Windows/Controls', [
+        'VirtualListCtrl',
+        'wxButton',
+        'wxCheckBox',
+        'wxCheckListBox',
+        'wxChoice',
+        'wxComboBox',
+        'wxGauge',
+        'wxGenericDirCtrl',
+        'wxGrid',
+        'wxListBox',
+        'wxListCtrl',
+        'wxNotebook',
+        'wxPopupWindow',
+        'wxRadioBox',
+        'wxSashWindow',
+        'wxSlider',
+        'wxScrolledWindow',
+        'wxSplitterWindow',
+        'wxSpinButton',
+        'wxSpinCtrl',
+        'wxStaticText',
+        'wxStaticBitmap',
+        'wxStatusBar',
+        'wxTextCtrl',
+        'wxTimer',
+        'wxToggleButton',
+        'wxToolBar',
+        'wxTreeCtrl',
+        'wxValidator',
+        ]),
+
+    # controls coming from other librairies
+    ('More Windows/Controls', [
+        'ColourSelect',
+        'ContextHelp',
+        'FancyText',
+        'FileBrowseButton',
+        'GenericButtons',
+        'PyCrust',
+        'PyCrustWithFilling',
+        'SplitTree',
+        'TablePrint',
+        'wxCalendar',
+        'wxCalendarCtrl',
+        'wxDynamicSashWindow',
+        'wxEditableListBox',
+        'wxEditor',
+        'wxFloatBar',
+        'wxHtmlWindow',
+        'wxLEDNumberCtrl',
+        'wxMimeTypesManager',
+        'wxMVCTree',
+        'wxStyledTextCtrl_1',
+        'wxStyledTextCtrl_2',
+        'wxRightTextCtrl',
+        ]),
+
+    # How to lay out the controls in a frame/dialog
+    ('Window Layout', [
+        'LayoutAnchors',
+        'Layoutf',
+        'RowColSizer',
+        'Sizers',
+        'wxLayoutConstraints',
+        'XML_Resource',
+        ]),
+
+    # ditto
+    ('Process and Events', [
+        'infoframe',
+        'OOR',
+        'PythonEvents',
+        'Threads',
+        'wxProcess',
+        'wxTimer',
+        ]),
+
+    # Clipboard and DnD
+    ('Clipboard and DnD', [
+        'CustomDragAndDrop',
+        'DragAndDrop',
+        'URLDragAndDrop',
+        ]),
+
+    # Images
+    ('Images', [
+        'wxDragImage',
+        'wxImage',
+        'wxImageFromStream',
+        'wxMask',
+        ]),
+
+    # Other stuff
+    ('Miscellaneous', [
+        'ColourDB',
+        'DialogUnits',
+        'DrawXXXList',
+        'FontEnumerator',
+        'PrintFramework',
+        'Unicode',
+        'wxFileHistory',
+        'wxJoystick',
+        'wxOGL',
+        'wxWave',
+        ]),
+
+    # need libs not coming with the demo
+    ('Objects using an external library', [
+        'ActiveXWrapper_Acrobat',
+        'ActiveXWrapper_IE',
+        'wxGLCanvas',
+        'wxPlotCanvas',
+        'wxVTKRenderWindow',
+        ]),
+
+    # pyTree, hangman, ... in the samples dir
+    ('Check out the samples dir too', [
+        ]),
+
+    #~ ('Cool Contribs', [
+        #~ 'pyTree',
+        #~ 'hangman',
+        #'SlashDot',
+        #~ 'XMLtreeview'
+        #~ ]),
+]
 
-    ('Managed Windows', ['wxFrame', 'wxDialog', 'wxMiniFrame']),
 
-    ('Non-Managed Windows', ['wxGrid', 'wxSashWindow',
-                             'wxScrolledWindow', 'wxSplitterWindow',
-                             'wxStatusBar', 'wxNotebook',
-                             'wxHtmlWindow',
-                             'wxStyledTextCtrl_1', 'wxStyledTextCtrl_2',]),
 
-    ('Common Dialogs', ['wxColourDialog', 'wxDirDialog', 'wxFileDialog',
-                        'wxSingleChoiceDialog', 'wxTextEntryDialog',
-                        'wxFontDialog', 'wxPageSetupDialog', 'wxPrintDialog',
-                        'wxMessageDialog', 'wxProgressDialog']),
+#---------------------------------------------------------------------------
 
-    ('Controls', ['wxButton', 'wxCheckBox', 'wxCheckListBox', 'wxChoice',
-                  'wxComboBox', 'wxGauge', 'wxListBox', 'wxListCtrl', 'wxTextCtrl',
-                  'wxTreeCtrl', 'wxSpinButton', 'wxSpinCtrl', 'wxStaticText',
-                  'wxStaticBitmap', 'wxRadioBox', 'wxSlider', 'wxToolBar',
-                  'wxCalendarCtrl',
-                  ]),
+class MyLog(wxPyLog):
+    def __init__(self, textCtrl, logTime=0):
+        wxPyLog.__init__(self)
+        self.tc = textCtrl
+        self.logTime = logTime
 
-    ('Window Layout', ['wxLayoutConstraints', 'Sizers', 'OldSizers']),
+    def DoLogString(self, message, timeStamp):
+        if self.logTime:
+            message = time.strftime("%X", time.localtime(timeStamp)) + \
+                      ": " + message
+        self.tc.AppendText(message + '\n')
 
-    ('Miscellaneous', [ 'DragAndDrop', 'CustomDragAndDrop', 'FontEnumerator',
-                        'wxTimer', 'wxValidator', 'wxGLCanvas', 'DialogUnits',
-                        'wxImage', 'wxMask', 'PrintFramework', 'wxOGL',
-                        'PythonEvents', 'Threads',
-                        'ActiveXWrapper_Acrobat', 'ActiveXWrapper_IE',
-                        'wxDragImage', 'PyShellWindow',
-                        ]),
 
-    ('wxPython Library', ['Layoutf', 'wxScrolledMessageDialog',
-                          'wxMultipleChoiceDialog', 'wxPlotCanvas', 'wxFloatBar',
-                          'PyShell', 'wxCalendar', 'wxMVCTree', 'wxVTKRenderWindow',
-                          'FileBrowseButton', 'GenericButtons', 'wxEditor']),
+#---------------------------------------------------------------------------
 
-    ('Cool Contribs', ['pyTree', 'hangman', 'SlashDot', 'XMLtreeview']),
+def opj(path):
+    """Convert paths to the platform-specific separator"""
+    return apply(os.path.join, tuple(string.split(path, '/')))
 
-    ]
 
 #---------------------------------------------------------------------------
 
 class wxPythonDemo(wxFrame):
+    overviewText = "wxPython Overview"
+
     def __init__(self, parent, id, title):
         wxFrame.__init__(self, parent, -1, title, size = (800, 600),
                          style=wxDEFAULT_FRAME_STYLE|wxNO_FULL_REPAINT_ON_RESIZE)
@@ -72,13 +292,25 @@ class wxPythonDemo(wxFrame):
         self.cwd = os.getcwd()
         self.curOverview = ""
 
+        icon = images.getMondrianIcon()
+        self.SetIcon(icon)
+
         if wxPlatform == '__WXMSW__':
-            self.icon = wxIcon('bitmaps/mondrian.ico', wxBITMAP_TYPE_ICO)
-            self.SetIcon(self.icon)
+            # setup a taskbar icon, and catch some events from it
+            self.tbicon = wxTaskBarIcon()
+            self.tbicon.SetIcon(icon, "wxPython Demo")
+            EVT_TASKBAR_LEFT_DCLICK(self.tbicon, self.OnTaskBarActivate)
+            EVT_TASKBAR_RIGHT_UP(self.tbicon, self.OnTaskBarMenu)
+            EVT_MENU(self.tbicon, self.TBMENU_RESTORE, self.OnTaskBarActivate)
+            EVT_MENU(self.tbicon, self.TBMENU_CLOSE, self.OnTaskBarClose)
+
 
         self.otherWin = None
+        self.showTip = true
         EVT_IDLE(self, self.OnIdle)
         EVT_CLOSE(self, self.OnCloseWindow)
+        EVT_ICONIZE(self, self.OnIconfiy)
+        EVT_MAXIMIZE(self, self.OnMaximize)
 
         self.Centre(wxBOTH)
         self.CreateStatusBar(1, wxST_SIZEGRIP)
@@ -86,8 +318,11 @@ class wxPythonDemo(wxFrame):
         splitter = wxSplitterWindow(self, -1, style=wxNO_3D|wxSP_3D)
         splitter2 = wxSplitterWindow(splitter, -1, style=wxNO_3D|wxSP_3D)
 
+        def EmptyHandler(evt): pass
+        EVT_ERASE_BACKGROUND(splitter, EmptyHandler)
+        EVT_ERASE_BACKGROUND(splitter2, EmptyHandler)
 
-        # Prevent TreeCtrl from displaying all items after destruction
+        # Prevent TreeCtrl from displaying all items after destruction when true
         self.dying = false
 
         # Make a File menu
@@ -130,10 +365,10 @@ class wxPythonDemo(wxFrame):
         self.tree = wxTreeCtrl(splitter, tID,
                                style=wxTR_HAS_BUTTONS |
                                wxTR_EDIT_LABELS |
-                               wxTR_HAS_VARIABLE_ROW_HEIGHT |
-                               wxSUNKEN_BORDER)
+                               wxTR_HAS_VARIABLE_ROW_HEIGHT)
+
         #self.tree.SetBackgroundColour(wxNamedColour("Pink"))
-        root = self.tree.AddRoot("Overview")
+        root = self.tree.AddRoot("wxPython Overview")
         firstChild = None
         for item in _treeList:
             child = self.tree.AppendItem(root, item[0])
@@ -150,25 +385,46 @@ class wxPythonDemo(wxFrame):
         EVT_LEFT_DOWN            (self.tree,      self.OnTreeLeftDown)
 
         # Create a Notebook
-        self.nb = wxNotebook(splitter2, -1)
+        self.nb = wxNotebook(splitter2, -1, style=wxCLIP_CHILDREN)
+
+        # Set up a wxHtmlWindow on the Overview Notebook page
+        # we put it in a panel first because there seems to be a
+        # refresh bug of some sort (wxGTK) when it is directly in
+        # the notebook...
+        if 0:  # the old way
+            self.ovr = wxHtmlWindow(self.nb, -1, size=(400, 400))
+            self.nb.AddPage(self.ovr, self.overviewText)
 
-        # Set up a TextCtrl on the Overview Notebook page
-        self.ovr = wxHtmlWindow(self.nb, -1)
-        self.nb.AddPage(self.ovr, "Overview")
+        else:  # hopefully I can remove this hacky code soon, see bug #216861
+            panel = wxPanel(self.nb, -1, style=wxCLIP_CHILDREN)
+            self.ovr = wxHtmlWindow(panel, -1, size=(400, 400))
+            self.nb.AddPage(panel, self.overviewText)
+
+            def OnOvrSize(evt, ovr=self.ovr):
+                ovr.SetSize(evt.GetSize())
+
+            EVT_SIZE(panel, OnOvrSize)
+            EVT_ERASE_BACKGROUND(panel, EmptyHandler)
+
+
+        self.SetOverview(self.overviewText, overview)
 
 
         # Set up a TextCtrl on the Demo Code Notebook page
         self.txt = wxTextCtrl(self.nb, -1,
                               style = wxTE_MULTILINE|wxTE_READONLY|wxHSCROLL)
-        self.txt.SetFont(wxFont(9, wxMODERN, wxNORMAL, wxNORMAL, false))
         self.nb.AddPage(self.txt, "Demo Code")
 
 
         # Set up a log on the View Log Notebook page
         self.log = wxTextCtrl(splitter2, -1,
                               style = wxTE_MULTILINE|wxTE_READONLY|wxHSCROLL)
+
         # Set the wxWindows log target to be this textctrl
-        wxLog_SetActiveTarget(wxLogTextCtrl(self.log))
+        #wxLog_SetActiveTarget(wxLogTextCtrl(self.log))
+
+        # But instead of the above we want to show how to use our own wxLog class
+        wxLog_SetActiveTarget(MyLog(self.log))
 
 
 
@@ -176,12 +432,13 @@ class wxPythonDemo(wxFrame):
 
         # add the windows to the splitter and split it.
         splitter2.SplitHorizontally(self.nb, self.log)
-        splitter2.SetSashPosition(450, true)
-        splitter2.SetMinimumPaneSize(20)
-
         splitter.SplitVertically(self.tree, splitter2)
+
         splitter.SetSashPosition(180, true)
         splitter.SetMinimumPaneSize(20)
+        splitter2.SetSashPosition(450, true)
+        splitter2.SetMinimumPaneSize(20)
+
 
 
         # select initial items
@@ -215,12 +472,13 @@ class wxPythonDemo(wxFrame):
     def OnItemExpanded(self, event):
         item = event.GetItem()
         wxLogMessage("OnItemExpanded: %s" % self.tree.GetItemText(item))
+        event.Skip()
 
     #---------------------------------------------
     def OnItemCollapsed(self, event):
         item = event.GetItem()
         wxLogMessage("OnItemCollapsed: %s" % self.tree.GetItemText(item))
-
+        event.Skip()
 
     #---------------------------------------------
     def OnTreeLeftDown(self, event):
@@ -228,8 +486,7 @@ class wxPythonDemo(wxFrame):
         item, flags = self.tree.HitTest(pt)
         if item == self.tree.GetSelection():
             self.SetOverview(self.tree.GetItemText(item), self.curOverview)
-        else:
-            event.Skip()
+        event.Skip()
 
     #---------------------------------------------
     def OnSelChanged(self, event):
@@ -249,9 +506,9 @@ class wxPythonDemo(wxFrame):
                 self.nb.SetSelection(0)
             self.nb.DeletePage(2)
 
-        if itemText == 'Overview':
+        if itemText == self.overviewText:
             self.GetDemoFile('Main.py')
-            self.SetOverview('Overview', overview)
+            self.SetOverview(self.overviewText, overview)
             self.nb.Refresh();
             self.window = None
 
@@ -262,7 +519,7 @@ class wxPythonDemo(wxFrame):
                 try:
                     self.GetDemoFile(itemText + '.py')
                     module = __import__(itemText, globals())
-                    self.SetOverview(itemText, module.overview)
+                    self.SetOverview(itemText + " Overview", module.overview)
                 finally:
                     wxEndBusyCursor()
 
@@ -301,13 +558,12 @@ class wxPythonDemo(wxFrame):
         lead = text[:6]
         if lead != '<html>' and lead != '<HTML>':
             text = string.join(string.split(text, '\n'), '<br>')
-            #text = '<font size="-1"><pre>' + text + '</pre></font>'
         self.ovr.SetPage(text)
         self.nb.SetPageText(0, name)
 
     #---------------------------------------------
     # Menu methods
-    def OnFileExit(self, event):
+    def OnFileExit(self, *event):
         self.Close()
 
 
@@ -323,8 +579,11 @@ class wxPythonDemo(wxFrame):
         self.dying = true
         self.window = None
         self.mainmenu = None
+        if hasattr(self, "tbicon"):
+            del self.tbicon
         self.Destroy()
 
+
     #---------------------------------------------
     def OnIdle(self, event):
         if self.otherWin:
@@ -332,6 +591,25 @@ class wxPythonDemo(wxFrame):
             self.window = self.otherWin
             self.otherWin = None
 
+        if self.showTip:
+            self.ShowTip()
+            self.showTip = false
+
+
+    #---------------------------------------------
+    def ShowTip(self):
+        try:
+            showTipText = open(opj("data/showTips")).read()
+            showTip, index = eval(showTipText)
+        except IOError:
+            showTip, index = (1, 0)
+        if showTip:
+            tp = wxCreateFileTipProvider(opj("data/tips.txt"), index)
+            showTip = wxShowTip(self, tp)
+            index = tp.GetCurrentTip()
+            open(opj("data/showTips"), "w").write(str( (showTip, index) ))
+
+
     #---------------------------------------------
     def OnDemoMenu(self, event):
         try:
@@ -342,47 +620,84 @@ class wxPythonDemo(wxFrame):
             self.tree.SelectItem(selectedDemo)
             self.tree.EnsureVisible(selectedDemo)
 
-#---------------------------------------------------------------------------
-#---------------------------------------------------------------------------
 
-class MyApp(wxApp):
-    def OnInit(self):
-        wxInitAllImageHandlers()
+    #---------------------------------------------
+    def OnTaskBarActivate(self, evt):
+        if self.IsIconized():
+            self.Iconize(false)
+        if not self.IsShown():
+            self.Show(true)
+        self.Raise()
 
-        self.splash = SplashScreen(None, bitmapfile='bitmaps/splash.gif',
-                              duration=4000, callback=self.AfterSplash)
-        self.splash.Show(true)
-        wxYield()
-        return true
+    #---------------------------------------------
 
+    TBMENU_RESTORE = 1000
+    TBMENU_CLOSE   = 1001
+
+    def OnTaskBarMenu(self, evt):
+        menu = wxMenu()
+        menu.Append(self.TBMENU_RESTORE, "Restore wxPython Demo")
+        menu.Append(self.TBMENU_CLOSE,   "Close")
+        self.tbicon.PopupMenu(menu)
+        menu.Destroy()
+
+    #---------------------------------------------
+    def OnTaskBarClose(self, evt):
+        self.Close()
+
+        # because of the way wxTaskBarIcon.PopupMenu is implemented we have to
+        # prod the main idle handler a bit to get the window to actually close
+        wxGetApp().ProcessIdle()
+
+
+    #---------------------------------------------
+    def OnIconfiy(self, evt):
+        wxLogMessage("OnIconfiy")
+        evt.Skip()
+
+    #---------------------------------------------
+    def OnMaximize(self, evt):
+        wxLogMessage("OnMaximize")
+        evt.Skip()
 
-    def AfterSplash(self):
-        self.splash.Close(true)
+
+
+
+#---------------------------------------------------------------------------
+#---------------------------------------------------------------------------
+
+class MySplashScreen(wxSplashScreen):
+    def __init__(self):
+        bmp = wxImage(opj("bitmaps/splash.gif")).ConvertToBitmap()
+        wxSplashScreen.__init__(self, bmp,
+                                wxSPLASH_CENTRE_ON_SCREEN|wxSPLASH_TIMEOUT,
+                                4000, None, -1)
+        EVT_CLOSE(self, self.OnClose)
+
+    def OnClose(self, evt):
         frame = wxPythonDemo(None, -1, "wxPython: (A Demonstration)")
         frame.Show(true)
-        self.SetTopWindow(frame)
-        self.ShowTip(frame)
+        evt.Skip()  # Make sure the default handler runs too...
 
 
-    def ShowTip(self, frame):
-        try:
-            showTipText = open("data/showTips").read()
-            showTip, index = eval(showTipText)
-        except IOError:
-            showTip, index = (1, 0)
-        print showTip, index
-        if showTip:
-            tp = wxCreateFileTipProvider("data/tips.txt", index)
-            showTip = wxShowTip(frame, tp)
-            index = tp.GetCurrentTip()
-            open("data/showTips", "w").write(str( (showTip, index) ))
+class MyApp(wxApp):
+    def OnInit(self):
+        """
+        Create and show the splash screen.  It will then create and show
+        the main frame when it is time to do so.
+        """
+        wxInitAllImageHandlers()
+        splash = MySplashScreen()
+        splash.Show()
+        return true
+
 
 
 #---------------------------------------------------------------------------
 
 def main():
     try:
-        demoPath = os.path.split(__file__)[0]
+        demoPath = os.path.dirname(__file__)
         os.chdir(demoPath)
     except:
         pass