pydocview.py

Wxpython Implemented on Windows CE, Source code

                if t is template:
                    self._notebook.SetPageImage(index, iconIndex)
                    found = True
                    break
        if not found:
            self._notebook.SetPageImage(index, self._blankIconIndex)

        # wxBug: the wxListbook used on Mac needs its tabs list resized
        # whenever a new tab is added, but the only way to do this is
        # to resize the entire control
        if wx.Platform == "__WXMAC__":
            content_size = self._notebook.GetSize()
            self._notebook.SetSize((content_size.x+2, -1))
            self._notebook.SetSize((content_size.x, -1))

        self._notebook.Layout()

        windowMenuService = wx.GetApp().GetService(WindowMenuService)
        if windowMenuService:
            windowMenuService.BuildWindowMenu(wx.GetApp().GetTopWindow())  # build file menu list when we open a file


    def RemoveNotebookPage(self, panel):
        """
        Removes a document page from the notebook.
        """
        index = self.GetNotebookPageIndex(panel)
        if index > -1:
            if self._notebook.GetPageCount() == 1 or index < 2:
                pass
            elif index >= 1:
                self._notebook.SetSelection(index - 1)
            elif index < self._notebook.GetPageCount():
                self._notebook.SetSelection(index + 1)
            self._notebook.DeletePage(index)
            self._notebook.GetParent().SetToolTip(wx.ToolTip(""))

        windowMenuService = wx.GetApp().GetService(WindowMenuService)
        if windowMenuService:
            windowMenuService.BuildWindowMenu(wx.GetApp().GetTopWindow())  # build file menu list when we open a file


    def ActivateNotebookPage(self, panel):
        """
        Sets the notebook to the specified panel.
        """
        index = self.GetNotebookPageIndex(panel)
        if index > -1:
            self._notebook.SetFocus()
            self._notebook.SetSelection(index)


    def GetNotebookPageTitle(self, panel):
        index = self.GetNotebookPageIndex(panel)
        if index != -1:
            return self._notebook.GetPageText(self.GetNotebookPageIndex(panel))
        else:
            return None


    def SetNotebookPageTitle(self, panel, title):
        self._notebook.SetPageText(self.GetNotebookPageIndex(panel), title)


    def GetNotebookPageIndex(self, panel):
        """
        Returns the index of particular notebook panel.
        """
        index = -1
        for i in range(self._notebook.GetPageCount()):
            if self._notebook.GetPage(i) == panel:
                index = i
                break
        return index


    def ProcessEvent(self, event):
        """
        Processes an event, searching event tables and calling zero or more
        suitable event handler function(s).  Note that the ProcessEvent
        method is called from the wxPython docview framework directly since
        wxPython does not have a virtual ProcessEvent function.
        """
        if wx.GetApp().ProcessEventBeforeWindows(event):
            return True
        if self._docManager and self._docManager.ProcessEvent(event):
            return True
        return DocMDIParentFrameMixIn.ProcessEvent(self, event)


    def ProcessUpdateUIEvent(self, event):
        """
        Processes a UI event, searching event tables and calling zero or more
        suitable event handler function(s).  Note that the ProcessEvent
        method is called from the wxPython docview framework directly since
        wxPython does not have a virtual ProcessEvent function.
        """
        if wx.GetApp().ProcessUpdateUIEventBeforeWindows(event):
            return True
        if self._docManager and self._docManager.ProcessUpdateUIEvent(event):
            return True
        return DocMDIParentFrameMixIn.ProcessUpdateUIEvent(self, event)


    def OnExit(self, event):
        """
        Called when File/Exit is chosen and closes the window.
        """
        self.Close()


    def OnMRUFile(self, event):
        """
        Opens the appropriate file when it is selected from the file history
        menu.
        """
        n = event.GetId() - wx.ID_FILE1
        filename = self._docManager.GetHistoryFile(n)
        if filename:
            self._docManager.CreateDocument(filename, wx.lib.docview.DOC_SILENT)
        else:
            self._docManager.RemoveFileFromHistory(n)
            msgTitle = wx.GetApp().GetAppName()
            if not msgTitle:
                msgTitle = _("File Error")
            wx.MessageBox("The file '%s' doesn't exist and couldn't be opened.\nIt has been removed from the most recently used files list" % FileNameFromPath(file),
                          msgTitle,
                          wx.OK | wx.ICON_EXCLAMATION,
                          self)


    def OnSize(self, event):
        """
        Called when the frame is resized and lays out the client window.
        """
        # Needed in case there are splitpanels around the mdi frame
        self._LayoutFrame()


    def OnCloseWindow(self, event):
        """
        Called when the frame is closed.  Remembers the frame size.
        """
        self.SaveEmbeddedWindowSizes()

        # save and close services last
        for service in wx.GetApp().GetServices():
            if not service.OnCloseFrame(event):
                return

        # From docview.MDIParentFrame
        if self._docManager.Clear(not event.CanVeto()):
            self.Destroy()
        else:
            event.Veto()


class DocMDIChildFrame(wx.MDIChildFrame):
    """
    The wxDocMDIChildFrame class provides a default frame for displaying
    documents on separate windows. This class can only be used for MDI child
    frames.

    The class is part of the document/view framework supported by wxWindows,
    and cooperates with the wxView, wxDocument, wxDocManager and wxDocTemplate
    classes.
    """


    def __init__(self, doc, view, frame, id, title, pos=wx.DefaultPosition, size=wx.DefaultSize, style=wx.DEFAULT_FRAME_STYLE, name="frame"):
        """
        Constructor.  Note that the event table must be rebuilt for the
        frame since the EvtHandler is not virtual.
        """
        wx.MDIChildFrame.__init__(self, frame, id, title, pos, size, style, name)
        self._childDocument = doc
        self._childView = view
        if view:
            view.SetFrame(self)
        # self.Create(doc, view, frame, id, title, pos, size, style, name)
        self._activeEvent = None
        self._activated = 0
        wx.EVT_ACTIVATE(self, self.OnActivate)
        wx.EVT_CLOSE(self, self.OnCloseWindow)

        if frame:  # wxBug: For some reason the EVT_ACTIVATE event is not getting triggered for the first mdi client window that is opened so we have to do it manually
            mdiChildren = filter(lambda x: isinstance(x, wx.MDIChildFrame), frame.GetChildren())
            if len(mdiChildren) == 1:
                self.Activate()


##    # Couldn't get this to work, but seems to work fine with single stage construction
##    def Create(self, doc, view, frame, id, title, pos, size, style, name):
##        self._childDocument = doc
##        self._childView = view
##        if wx.MDIChildFrame.Create(self, frame, id, title, pos, size, style, name):
##            if view:
##                view.SetFrame(self)
##                return True
##        return False



    def Activate(self):  # Need this in case there are embedded sash windows and such, OnActivate is not getting called
        """
        Activates the current view.
        """
        if self._childView:
            self._childView.Activate(True)


    def OnTitleIsModified(self):
        """
        Add/remove to the frame's title an indication that the document is dirty.
        If the document is dirty, an '*' is appended to the title
        """
        title = self.GetTitle()
        if title:
            if self.GetDocument().IsModified():
                if title.endswith("*"):
                    return
                else:
                    title = title + "*"
                    self.SetTitle(title)
            else:
                if title.endswith("*"):
                    title = title[:-1]
                    self.SetTitle(title)                
                else:
                    return


    def ProcessEvent(event):
        """
        Processes an event, searching event tables and calling zero or more
        suitable event handler function(s).  Note that the ProcessEvent
        method is called from the wxPython docview framework directly since
        wxPython does not have a virtual ProcessEvent function.
        """
        if self._activeEvent == event:
            return False

        self._activeEvent = event  # Break recursion loops

        if self._childView:
            self._childView.Activate(True)

        if not self._childView or not self._childView.ProcessEvent(event):
            if not isinstance(event, wx.CommandEvent) or not self.GetParent() or not self.GetParent().ProcessEvent(event):
                ret = False
            else:
                ret = True
        else:
            ret = True

        self._activeEvent = None
        return ret


    def OnActivate(self, event):
        """
        Sets the currently active view to be the frame's view. You may need to
        override (but still call) this function in order to set the keyboard
        focus for your subwindow.
        """
        if self._activated != 0:
            return True
        self._activated += 1
        wx.MDIChildFrame.Activate(self)
        if event.GetActive() and self._childView:
            self._childView.Activate(event.GetActive())
        self._activated = 0


    def OnCloseWindow(self, event):
        """
        Closes and deletes the current view and document.
        """
        if self._childView:
            ans = False
            if not event.CanVeto():
                ans = True
            else:
                ans = self._childView.Close(deleteWindow = False)

            if ans:
                self._childView.Activate(False)
                self._childView.Destroy()
                self._childView = None
                if self._childDocument:
                    self._childDocument.Destroy()  # This isn't in the wxWindows codebase but the document needs to be disposed of somehow
                self._childDocument = None
                self.Destroy()
            else:
                event.Veto()
        else:
            event.Veto()


    def GetDocument(self):
        """
        Returns the document associated with this frame.
        """
        return self._childDocument


    def SetDocument(self, document):
        """
        Sets the document for this frame.
        """
        self._childDocument = document


    def GetView(self):
        """
        Returns the view associated with this frame.