plugins/c_ext/CFileEditor.py
author greg
Mon, 18 May 2009 07:43:03 +0200
changeset 343 fe2d1936b546
parent 213 d8dc1e51c3bf
child 401 8106a853a7c7
permissions -rw-r--r--
Add try/except in wx_evaluator to get and print exception when command failed and unlock in all cases to not block the python thread
import  wx, wx.grid
import  wx.stc  as  stc
import keyword

if wx.Platform == '__WXMSW__':
    faces = { 'times': 'Times New Roman',
              'mono' : 'Courier New',
              'helv' : 'Arial',
              'other': 'Comic Sans MS',
              'size' : 10,
              'size2': 8,
             }
else:
    faces = { 'times': 'Times',
              'mono' : 'Courier',
              'helv' : 'Helvetica',
              'other': 'new century schoolbook',
              'size' : 12,
              'size2': 10,
             }


def AppendMenu(parent, help, id, kind, text):
    if wx.VERSION >= (2, 6, 0):
        parent.Append(help=help, id=id, kind=kind, text=text)
    else:
        parent.Append(helpString=help, id=id, kind=kind, item=text)


[ID_CPPEDITOR,
] = [wx.NewId() for _init_ctrls in range(1)]

CPP_KEYWORDS = ["asm", "auto", "bool", "break", "case", "catch", "char", "class", 
    "const", "const_cast", "continue", "default", "delete", "do", "double", 
    "dynamic_cast", "else", "enum", "explicit", "export", "extern", "false", 
    "float", "for", "friend", "goto", "if", "inline", "int", "long", "mutable", 
    "namespace", "new", "operator", "private", "protected", "public", "register", 
    "reinterpret_cast", "return", "short", "signed", "sizeof", "static", 
    "static_cast", "struct", "switch", "template", "this", "throw", "true", "try",
    "typedef", "typeid", "typename", "union", "unsigned", "using", "virtual", 
    "void", "volatile", "wchar_t", "while"]

def GetCursorPos(old, new):
    old_length = len(old)
    new_length = len(new)
    common_length = min(old_length, new_length)
    i = 0
    for i in xrange(common_length):
        if old[i] != new[i]:
            break
    if old_length < new_length:
        if common_length > 0 and old[i] != new[i]:
            return i + new_length - old_length
        else:
            return i + new_length - old_length + 1
    elif old_length > new_length or i < min(old_length, new_length) - 1:
        if common_length > 0 and old[i] != new[i]:
            return i
        else:
            return i + 1
    else:
        return None

class CppEditor(stc.StyledTextCtrl):

    fold_symbols = 3
    
    def __init__(self, parent, name, window, controler):
        stc.StyledTextCtrl.__init__(self, parent, ID_CPPEDITOR, wx.DefaultPosition, 
                 wx.DefaultSize, 0)

        self.SetMarginType(1, stc.STC_MARGIN_NUMBER)
        self.SetMarginWidth(1, 25)

        self.CmdKeyAssign(ord('B'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMIN)
        self.CmdKeyAssign(ord('N'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMOUT)

        self.SetLexer(stc.STC_LEX_CPP)
        self.SetKeyWords(0, " ".join(CPP_KEYWORDS))

        self.SetProperty("fold", "1")
        self.SetProperty("tab.timmy.whinge.level", "1")
        self.SetMargins(0,0)

        self.SetViewWhiteSpace(False)
        #self.SetBufferedDraw(False)
        #self.SetViewEOL(True)
        #self.SetEOLMode(stc.STC_EOL_CRLF)
        #self.SetUseAntiAliasing(True)
        
        self.SetEdgeMode(stc.STC_EDGE_BACKGROUND)
        self.SetEdgeColumn(78)

        # Setup a margin to hold fold markers
        #self.SetFoldFlags(16)  ###  WHAT IS THIS VALUE?  WHAT ARE THE OTHER FLAGS?  DOES IT MATTER?
        self.SetMarginType(2, stc.STC_MARGIN_SYMBOL)
        self.SetMarginMask(2, stc.STC_MASK_FOLDERS)
        self.SetMarginSensitive(2, True)
        self.SetMarginWidth(2, 12)

        if self.fold_symbols == 0:
            # Arrow pointing right for contracted folders, arrow pointing down for expanded
            self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN,    stc.STC_MARK_ARROWDOWN, "black", "black")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDER,        stc.STC_MARK_ARROW, "black", "black")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB,     stc.STC_MARK_EMPTY, "black", "black")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL,    stc.STC_MARK_EMPTY, "black", "black")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND,     stc.STC_MARK_EMPTY,     "white", "black")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_EMPTY,     "white", "black")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_EMPTY,     "white", "black")
            
        elif self.fold_symbols == 1:
            # Plus for contracted folders, minus for expanded
            self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN,    stc.STC_MARK_MINUS, "white", "black")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDER,        stc.STC_MARK_PLUS,  "white", "black")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB,     stc.STC_MARK_EMPTY, "white", "black")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL,    stc.STC_MARK_EMPTY, "white", "black")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND,     stc.STC_MARK_EMPTY, "white", "black")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_EMPTY, "white", "black")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_EMPTY, "white", "black")

        elif self.fold_symbols == 2:
            # Like a flattened tree control using circular headers and curved joins
            self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN,    stc.STC_MARK_CIRCLEMINUS,          "white", "#404040")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDER,        stc.STC_MARK_CIRCLEPLUS,           "white", "#404040")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB,     stc.STC_MARK_VLINE,                "white", "#404040")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL,    stc.STC_MARK_LCORNERCURVE,         "white", "#404040")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND,     stc.STC_MARK_CIRCLEPLUSCONNECTED,  "white", "#404040")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_CIRCLEMINUSCONNECTED, "white", "#404040")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_TCORNERCURVE,         "white", "#404040")

        elif self.fold_symbols == 3:
            # Like a flattened tree control using square headers
            self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPEN,    stc.STC_MARK_BOXMINUS,          "white", "#808080")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDER,        stc.STC_MARK_BOXPLUS,           "white", "#808080")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDERSUB,     stc.STC_MARK_VLINE,             "white", "#808080")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDERTAIL,    stc.STC_MARK_LCORNER,           "white", "#808080")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDEREND,     stc.STC_MARK_BOXPLUSCONNECTED,  "white", "#808080")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDEROPENMID, stc.STC_MARK_BOXMINUSCONNECTED, "white", "#808080")
            self.MarkerDefine(stc.STC_MARKNUM_FOLDERMIDTAIL, stc.STC_MARK_TCORNER,           "white", "#808080")


        self.Bind(stc.EVT_STC_UPDATEUI, self.OnUpdateUI)
        self.Bind(stc.EVT_STC_MARGINCLICK, self.OnMarginClick)
        self.Bind(wx.EVT_KEY_DOWN, self.OnKeyPressed)

        # Make some styles,  The lexer defines what each style is used for, we
        # just have to define what each style looks like.  This set is adapted from
        # Scintilla sample property files.

        # Global default styles for all languages
        self.StyleSetSpec(stc.STC_STYLE_DEFAULT,     "face:%(mono)s,size:%(size)d" % faces)
        self.StyleClearAll()  # Reset all to be like the default

        # Global default styles for all languages
        self.StyleSetSpec(stc.STC_STYLE_DEFAULT,     "face:%(mono)s,size:%(size)d" % faces)
        self.StyleSetSpec(stc.STC_STYLE_LINENUMBER,  "back:#C0C0C0,face:%(helv)s,size:%(size2)d" % faces)
        self.StyleSetSpec(stc.STC_STYLE_CONTROLCHAR, "face:%(other)s" % faces)
        self.StyleSetSpec(stc.STC_STYLE_BRACELIGHT,  "fore:#FFFFFF,back:#0000FF,bold")
        self.StyleSetSpec(stc.STC_STYLE_BRACEBAD,    "fore:#000000,back:#FF0000,bold")

        self.StyleSetSpec(stc.STC_C_COMMENT, 'fore:#408060')
        self.StyleSetSpec(stc.STC_C_COMMENTLINE, 'fore:#408060')
        self.StyleSetSpec(stc.STC_C_COMMENTDOC, 'fore:#408060')
        self.StyleSetSpec(stc.STC_C_NUMBER, 'fore:#0076AE')
        self.StyleSetSpec(stc.STC_C_WORD, 'bold,fore:#800056')
        self.StyleSetSpec(stc.STC_C_STRING, 'fore:#2a00ff')
        self.StyleSetSpec(stc.STC_C_PREPROCESSOR, 'bold,fore:#800056')
        self.StyleSetSpec(stc.STC_C_OPERATOR, 'bold')
        self.StyleSetSpec(stc.STC_C_STRINGEOL, 'back:#FFD5FF')
        
        # register some images for use in the AutoComplete box.
        #self.RegisterImage(1, images.getSmilesBitmap())
        self.RegisterImage(1, 
            wx.ArtProvider.GetBitmap(wx.ART_DELETE, size=(16,16)))
        self.RegisterImage(2, 
            wx.ArtProvider.GetBitmap(wx.ART_NEW, size=(16,16)))
        self.RegisterImage(3, 
            wx.ArtProvider.GetBitmap(wx.ART_COPY, size=(16,16)))

        # Indentation size
        self.SetTabWidth(2)
        self.SetUseTabs(0)

        self.Controler = controler
        self.ParentWindow = window
        
        self.DisableEvents = True
        self.Name = name
        self.CurrentAction = None
        
        self.SetModEventMask(wx.stc.STC_MOD_BEFOREINSERT|wx.stc.STC_MOD_BEFOREDELETE)

        self.Bind(wx.stc.EVT_STC_DO_DROP, self.OnDoDrop, id=ID_CPPEDITOR)
        self.Bind(wx.EVT_KILL_FOCUS, self.OnKillFocus)
        self.Bind(wx.stc.EVT_STC_MODIFIED, self.OnModification, id=ID_CPPEDITOR)
    
    def OnModification(self, event):
        if not self.DisableEvents:
            mod_type = event.GetModificationType()
            if not (mod_type&wx.stc.STC_PERFORMED_UNDO or mod_type&wx.stc.STC_PERFORMED_REDO):
                if mod_type&wx.stc.STC_MOD_BEFOREINSERT:
                    if self.CurrentAction == None:
                        self.StartBuffering()
                    elif self.CurrentAction[0] != "Add" or self.CurrentAction[1] != event.GetPosition() - 1:
                        self.Controler.EndBuffering()
                        self.StartBuffering()
                    self.CurrentAction = ("Add", event.GetPosition())
                elif mod_type&wx.stc.STC_MOD_BEFOREDELETE:
                    if self.CurrentAction == None:
                        self.StartBuffering()
                    elif self.CurrentAction[0] != "Delete" or self.CurrentAction[1] != event.GetPosition() + 1:
                        self.Controler.EndBuffering()
                        self.StartBuffering()
                    self.CurrentAction = ("Delete", event.GetPosition())
        event.Skip()
    
    def OnDoDrop(self, event):
        self.ResetBuffer()
        wx.CallAfter(self.RefreshModel)
        event.Skip()

    def IsViewing(self, name):
        return self.Name == name

    # Buffer the last model state
    def RefreshBuffer(self):
        self.Controler.BufferCFile()
        if self.ParentWindow:
            self.ParentWindow.RefreshTitle()
            self.ParentWindow.RefreshEditMenu()
    
    def StartBuffering(self):
        self.Controler.StartBuffering()
        if self.ParentWindow:
            self.ParentWindow.RefreshTitle()
            self.ParentWindow.RefreshEditMenu()
    
    def ResetBuffer(self):
        if self.CurrentAction != None:
            self.Controler.EndBuffering()
            self.CurrentAction = None

    def RefreshView(self):
        self.ResetBuffer()
        self.DisableEvents = True
        old_cursor_pos = self.GetCurrentPos()
        old_text = self.GetText()
        new_text = self.Controler.GetPartText(self.Name)
        self.SetText(new_text)
        new_cursor_pos = GetCursorPos(old_text, new_text)
        if new_cursor_pos != None:
            self.GotoPos(new_cursor_pos)
        else:
            self.GotoPos(old_cursor_pos)
        self.ScrollToColumn(0)
        self.EmptyUndoBuffer()
        self.DisableEvents = False
        
        self.Colourise(0, -1)

    def RefreshModel(self):
        self.Controler.SetPartText(self.Name, self.GetText())

    def OnKeyPressed(self, event):
        if self.CallTipActive():
            self.CallTipCancel()
        key = event.GetKeyCode()

        if key == 32 and event.ControlDown():
            pos = self.GetCurrentPos()

            # Tips
            if event.ShiftDown():
                pass
##                self.CallTipSetBackground("yellow")
##                self.CallTipShow(pos, 'lots of of text: blah, blah, blah\n\n'
##                                 'show some suff, maybe parameters..\n\n'
##                                 'fubar(param1, param2)')
            # Code completion
            else:
                self.AutoCompSetIgnoreCase(False)  # so this needs to match

                # Images are specified with a appended "?type"
                self.AutoCompShow(0, " ".join([word + "?1" for word in CPP_KEYWORDS]))
        else:
            wx.CallAfter(self.RefreshModel)
            event.Skip()

    def OnKillFocus(self, event):
        self.AutoCompCancel()
        event.Skip()

    def OnUpdateUI(self, evt):
        # check for matching braces
        braceAtCaret = -1
        braceOpposite = -1
        charBefore = None
        caretPos = self.GetCurrentPos()

        if caretPos > 0:
            charBefore = self.GetCharAt(caretPos - 1)
            styleBefore = self.GetStyleAt(caretPos - 1)

        # check before
        if charBefore and chr(charBefore) in "[]{}()" and styleBefore == stc.STC_P_OPERATOR:
            braceAtCaret = caretPos - 1

        # check after
        if braceAtCaret < 0:
            charAfter = self.GetCharAt(caretPos)
            styleAfter = self.GetStyleAt(caretPos)

            if charAfter and chr(charAfter) in "[]{}()" and styleAfter == stc.STC_P_OPERATOR:
                braceAtCaret = caretPos

        if braceAtCaret >= 0:
            braceOpposite = self.BraceMatch(braceAtCaret)

        if braceAtCaret != -1  and braceOpposite == -1:
            self.BraceBadLight(braceAtCaret)
        else:
            self.BraceHighlight(braceAtCaret, braceOpposite)
            #pt = self.PointFromPosition(braceOpposite)
            #self.Refresh(True, wxRect(pt.x, pt.y, 5,5))
            #print pt
            #self.Refresh(False)


    def OnMarginClick(self, evt):
        # fold and unfold as needed
        if evt.GetMargin() == 2:
            if evt.GetShift() and evt.GetControl():
                self.FoldAll()
            else:
                lineClicked = self.LineFromPosition(evt.GetPosition())

                if self.GetFoldLevel(lineClicked) & stc.STC_FOLDLEVELHEADERFLAG:
                    if evt.GetShift():
                        self.SetFoldExpanded(lineClicked, True)
                        self.Expand(lineClicked, True, True, 1)
                    elif evt.GetControl():
                        if self.GetFoldExpanded(lineClicked):
                            self.SetFoldExpanded(lineClicked, False)
                            self.Expand(lineClicked, False, True, 0)
                        else:
                            self.SetFoldExpanded(lineClicked, True)
                            self.Expand(lineClicked, True, True, 100)
                    else:
                        self.ToggleFold(lineClicked)


    def FoldAll(self):
        lineCount = self.GetLineCount()
        expanding = True

        # find out if we are folding or unfolding
        for lineNum in range(lineCount):
            if self.GetFoldLevel(lineNum) & stc.STC_FOLDLEVELHEADERFLAG:
                expanding = not self.GetFoldExpanded(lineNum)
                break

        lineNum = 0

        while lineNum < lineCount:
            level = self.GetFoldLevel(lineNum)
            if level & stc.STC_FOLDLEVELHEADERFLAG and \
               (level & stc.STC_FOLDLEVELNUMBERMASK) == stc.STC_FOLDLEVELBASE:

                if expanding:
                    self.SetFoldExpanded(lineNum, True)
                    lineNum = self.Expand(lineNum, True)
                    lineNum = lineNum - 1
                else:
                    lastChild = self.GetLastChild(lineNum, -1)
                    self.SetFoldExpanded(lineNum, False)

                    if lastChild > lineNum:
                        self.HideLines(lineNum+1, lastChild)

            lineNum = lineNum + 1



    def Expand(self, line, doExpand, force=False, visLevels=0, level=-1):
        lastChild = self.GetLastChild(line, level)
        line = line + 1

        while line <= lastChild:
            if force:
                if visLevels > 0:
                    self.ShowLines(line, line)
                else:
                    self.HideLines(line, line)
            else:
                if doExpand:
                    self.ShowLines(line, line)

            if level == -1:
                level = self.GetFoldLevel(line)

            if level & stc.STC_FOLDLEVELHEADERFLAG:
                if force:
                    if visLevels > 1:
                        self.SetFoldExpanded(line, True)
                    else:
                        self.SetFoldExpanded(line, False)

                    line = self.Expand(line, doExpand, force, visLevels-1)

                else:
                    if doExpand and self.GetFoldExpanded(line):
                        line = self.Expand(line, True, force, visLevels-1)
                    else:
                        line = self.Expand(line, False, force, visLevels-1)
            else:
                line = line + 1

        return line


#-------------------------------------------------------------------------------
#                         Helper for VariablesGrid values
#-------------------------------------------------------------------------------

class VariablesTable(wx.grid.PyGridTableBase):
    
    """
    A custom wxGrid Table using user supplied data
    """
    def __init__(self, parent, data, colnames):
        # The base class must be initialized *first*
        wx.grid.PyGridTableBase.__init__(self)
        self.data = data
        self.colnames = colnames
        self.Parent = parent
        # XXX
        # we need to store the row length and collength to
        # see if the table has changed size
        self._rows = self.GetNumberRows()
        self._cols = self.GetNumberCols()
    
    def GetNumberCols(self):
        return len(self.colnames)
        
    def GetNumberRows(self):
        return len(self.data)

    def GetColLabelValue(self, col):
        if col < len(self.colnames):
            return self.colnames[col]

    def GetRowLabelValues(self, row):
        return row

    def GetValue(self, row, col):
        if row < self.GetNumberRows():
            if col == 0:
                return row + 1
            else:
                return str(self.data[row].get(self.GetColLabelValue(col), ""))
    
    def GetValueByName(self, row, colname):
        if row < self.GetNumberRows():
            return self.data[row].get(colname, None)
        return None

    def SetValue(self, row, col, value):
        if col < len(self.colnames):
            self.data[row][self.GetColLabelValue(col)] = value
    
    def SetValueByName(self, row, colname, value):
        if row < self.GetNumberRows():
            self.data[row][colname] = value
        
    def ResetView(self, grid):
        """
        (wxGrid) -> Reset the grid view.   Call this to
        update the grid if rows and columns have been added or deleted
        """
        grid.BeginBatch()
        for current, new, delmsg, addmsg in [
            (self._rows, self.GetNumberRows(), wx.grid.GRIDTABLE_NOTIFY_ROWS_DELETED, wx.grid.GRIDTABLE_NOTIFY_ROWS_APPENDED),
            (self._cols, self.GetNumberCols(), wx.grid.GRIDTABLE_NOTIFY_COLS_DELETED, wx.grid.GRIDTABLE_NOTIFY_COLS_APPENDED),
        ]:
            if new < current:
                msg = wx.grid.GridTableMessage(self,delmsg,new,current-new)
                grid.ProcessTableMessage(msg)
            elif new > current:
                msg = wx.grid.GridTableMessage(self,addmsg,new-current)
                grid.ProcessTableMessage(msg)
                self.UpdateValues(grid)
        grid.EndBatch()

        self._rows = self.GetNumberRows()
        self._cols = self.GetNumberCols()
        # update the column rendering scheme
        self._updateColAttrs(grid)

        # update the scrollbars and the displayed part of the grid
        grid.AdjustScrollbars()
        grid.ForceRefresh()

    def UpdateValues(self, grid):
        """Update all displayed values"""
        # This sends an event to the grid table to update all of the values
        msg = wx.grid.GridTableMessage(self, wx.grid.GRIDTABLE_REQUEST_VIEW_GET_VALUES)
        grid.ProcessTableMessage(msg)

    def _updateColAttrs(self, grid):
        """
        wxGrid -> update the column attributes to add the
        appropriate renderer given the column name.

        Otherwise default to the default renderer.
        """
        
        typelist = None
        accesslist = None
        for row in range(self.GetNumberRows()):
            for col in range(self.GetNumberCols()):
                editor = None
                renderer = None
                colname = self.GetColLabelValue(col)
                grid.SetReadOnly(row, col, False)
                
                if colname == "Name":
                    editor = wx.grid.GridCellTextEditor()
                elif colname == "Class":
                    editor = wx.grid.GridCellChoiceEditor()
                    editor.SetParameters("input,output")
                elif colname == "Type":
                    pass
                else:
                    grid.SetReadOnly(row, col, True)
                
                grid.SetCellEditor(row, col, editor)
                grid.SetCellRenderer(row, col, renderer)
                
                grid.SetCellBackgroundColour(row, col, wx.WHITE)
    
    def SetData(self, data):
        self.data = data
    
    def GetData(self):
        return self.data
    
    def GetCurrentIndex(self):
        return self.CurrentIndex
    
    def SetCurrentIndex(self, index):
        self.CurrentIndex = index
    
    def AppendRow(self, row_content):
        self.data.append(row_content)

    def RemoveRow(self, row_index):
        self.data.pop(row_index)

    def MoveRow(self, row_index, move, grid):
        new_index = max(0, min(row_index + move, len(self.data) - 1))
        if new_index != row_index:
            self.data.insert(new_index, self.data.pop(row_index))
            grid.SetGridCursor(new_index, grid.GetGridCursorCol())

    def GetRow(self, row_index):
        return self.data[row_index]

    def Empty(self):
        self.data = []
        self.editors = []


[ID_VARIABLESEDITOR, ID_VARIABLESEDITORVARIABLESGRID,
 ID_VARIABLESEDITORADDVARIABLEBUTTON, ID_VARIABLESEDITORDELETEVARIABLEBUTTON, 
 ID_VARIABLESEDITORUPVARIABLEBUTTON, ID_VARIABLESEDITORDOWNVARIABLEBUTTON
] = [wx.NewId() for _init_ctrls in range(6)]

class VariablesEditor(wx.Panel):
    
    if wx.VERSION < (2, 6, 0):
        def Bind(self, event, function, id = None):
            if id is not None:
                event(self, id, function)
            else:
                event(self, function)
    
    def _init_coll_MainSizer_Growables(self, parent):
        parent.AddGrowableCol(0)
        parent.AddGrowableRow(0)

    def _init_coll_MainSizer_Items(self, parent):
        parent.AddWindow(self.VariablesGrid, 0, border=0, flag=wx.GROW)
        parent.AddSizer(self.ButtonsSizer, 0, border=0, flag=wx.GROW)

    def _init_coll_ButtonsSizer_Growables(self, parent):
        parent.AddGrowableCol(0)
        parent.AddGrowableRow(0)

    def _init_coll_ButtonsSizer_Items(self, parent):
        parent.AddWindow(self.AddVariableButton, 0, border=0, flag=wx.ALIGN_RIGHT)
        parent.AddWindow(self.DeleteVariableButton, 0, border=0, flag=0)
        parent.AddWindow(self.UpVariableButton, 0, border=0, flag=0)
        parent.AddWindow(self.DownVariableButton, 0, border=0, flag=0)

    def _init_sizers(self):
        self.MainSizer = wx.FlexGridSizer(cols=1, hgap=0, rows=2, vgap=4)
        self.ButtonsSizer = wx.FlexGridSizer(cols=5, hgap=5, rows=1, vgap=0)
        
        self._init_coll_MainSizer_Growables(self.MainSizer)
        self._init_coll_MainSizer_Items(self.MainSizer)
        self._init_coll_ButtonsSizer_Growables(self.ButtonsSizer)
        self._init_coll_ButtonsSizer_Items(self.ButtonsSizer)
        
        self.SetSizer(self.MainSizer)

    def _init_ctrls(self, prnt):
        wx.Panel.__init__(self, id=ID_VARIABLESEDITOR, name='', parent=prnt,
              size=wx.Size(0, 0), style=wx.SUNKEN_BORDER)
        
        self.VariablesGrid = wx.grid.Grid(id=ID_VARIABLESEDITORVARIABLESGRID,
              name='VariablesGrid', parent=self, pos=wx.Point(0, 0), 
              size=wx.Size(-1, -1), style=wx.VSCROLL)
        self.VariablesGrid.SetFont(wx.Font(12, 77, wx.NORMAL, wx.NORMAL, False,
              'Sans'))
        self.VariablesGrid.SetLabelFont(wx.Font(10, 77, wx.NORMAL, wx.NORMAL,
              False, 'Sans'))
        if wx.VERSION >= (2, 5, 0):
            self.VariablesGrid.Bind(wx.grid.EVT_GRID_CELL_CHANGE, self.OnVariablesGridCellChange)
            self.VariablesGrid.Bind(wx.grid.EVT_GRID_CELL_LEFT_CLICK, self.OnVariablesGridCellLeftClick)
            self.VariablesGrid.Bind(wx.grid.EVT_GRID_EDITOR_SHOWN, self.OnVariablesGridEditorShown)
        else:
            wx.grid.EVT_GRID_CELL_CHANGE(self.VariablesGrid, self.OnVariablesGridCellChange)
            wx.grid.EVT_GRID_CELL_LEFT_CLICK(self.VariablesGrid, self.OnVariablesGridCellLeftClick)
            wx.grid.EVT_GRID_EDITOR_SHOWN(self.VariablesGrid, self.OnVariablesGridEditorShown)
        
        self.AddVariableButton = wx.Button(id=ID_VARIABLESEDITORADDVARIABLEBUTTON, label='Add Variable',
              name='AddVariableButton', parent=self, pos=wx.Point(0, 0),
              size=wx.Size(122, 32), style=0)
        self.Bind(wx.EVT_BUTTON, self.OnAddVariableButton, id=ID_VARIABLESEDITORADDVARIABLEBUTTON)

        self.DeleteVariableButton = wx.Button(id=ID_VARIABLESEDITORDELETEVARIABLEBUTTON, label='Delete Variable',
              name='DeleteVariableButton', parent=self, pos=wx.Point(0, 0),
              size=wx.Size(122, 32), style=0)
        self.Bind(wx.EVT_BUTTON, self.OnDeleteVariableButton, id=ID_VARIABLESEDITORDELETEVARIABLEBUTTON)

        self.UpVariableButton = wx.Button(id=ID_VARIABLESEDITORUPVARIABLEBUTTON, label='^',
              name='UpVariableButton', parent=self, pos=wx.Point(0, 0),
              size=wx.Size(32, 32), style=0)
        self.Bind(wx.EVT_BUTTON, self.OnUpVariableButton, id=ID_VARIABLESEDITORUPVARIABLEBUTTON)

        self.DownVariableButton = wx.Button(id=ID_VARIABLESEDITORDOWNVARIABLEBUTTON, label='v',
              name='DownVariableButton', parent=self, pos=wx.Point(0, 0),
              size=wx.Size(32, 32), style=0)
        self.Bind(wx.EVT_BUTTON, self.OnDownVariableButton, id=ID_VARIABLESEDITORDOWNVARIABLEBUTTON)

        self._init_sizers()

    def __init__(self, parent, window, controler):
        self._init_ctrls(parent)
        
        self.ParentWindow = window
        self.Controler = controler
        
        self.VariablesDefaultValue = {"Name" : "", "Class" : "input", "Type" : ""}
        self.Table = VariablesTable(self, [], ["#", "Name", "Class", "Type"])
        self.ColAlignements = [wx.ALIGN_RIGHT, wx.ALIGN_LEFT, wx.ALIGN_LEFT, wx.ALIGN_LEFT]
        self.ColSizes = [40, 200, 150, 150]
        self.VariablesGrid.SetTable(self.Table)
        self.VariablesGrid.SetRowLabelSize(0)
        for col in range(self.Table.GetNumberCols()):
            attr = wx.grid.GridCellAttr()
            attr.SetAlignment(self.ColAlignements[col], wx.ALIGN_CENTRE)
            self.VariablesGrid.SetColAttr(col, attr)
            self.VariablesGrid.SetColSize(col, self.ColSizes[col])
        self.Table.ResetView(self.VariablesGrid)

    def IsViewing(self, name):
        return name == "Variables"

    def RefreshModel(self):
        self.Controler.SetVariables(self.Table.GetData())
        self.RefreshBuffer()
        
    def ResetBuffer(self):
        pass

    # Buffer the last model state
    def RefreshBuffer(self):
        self.Controler.BufferCFile()
        self.ParentWindow.RefreshTitle()
        self.ParentWindow.RefreshEditMenu()

    def RefreshView(self):
        self.Table.SetData(self.Controler.GetVariables())
        self.Table.ResetView(self.VariablesGrid)
    
    def OnAddVariableButton(self, event):
        self.Table.AppendRow(self.VariablesDefaultValue.copy())
        self.RefreshModel()
        self.RefreshView()
        event.Skip()

    def OnDeleteVariableButton(self, event):
        row = self.VariablesGrid.GetGridCursorRow()
        self.Table.RemoveRow(row)
        self.RefreshModel()
        self.RefreshView()
        event.Skip()

    def OnUpVariableButton(self, event):
        row = self.VariablesGrid.GetGridCursorRow()
        self.Table.MoveRow(row, -1, self.VariablesGrid)
        self.RefreshModel()
        self.RefreshView()
        event.Skip()

    def OnDownVariableButton(self, event):
        row = self.VariablesGrid.GetGridCursorRow()
        self.Table.MoveRow(row, 1, self.VariablesGrid)
        self.RefreshModel()
        self.RefreshView()
        event.Skip()

    def OnVariablesGridCellChange(self, event):
        self.RefreshModel()
        self.RefreshView()
        event.Skip()

    def OnVariablesGridEditorShown(self, event):
        row, col = event.GetRow(), event.GetCol() 
        if self.Table.GetColLabelValue(col) == "Type":
            type_menu = wx.Menu(title='')
            base_menu = wx.Menu(title='')
            for base_type in self.Controler.GetBaseTypes():
                new_id = wx.NewId()
                AppendMenu(base_menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=base_type)
                self.Bind(wx.EVT_MENU, self.GetVariableTypeFunction(base_type), id=new_id)
            type_menu.AppendMenu(wx.NewId(), "Base Types", base_menu)
            datatype_menu = wx.Menu(title='')
            for datatype in self.Controler.GetDataTypes(basetypes = False):
                new_id = wx.NewId()
                AppendMenu(datatype_menu, help='', id=new_id, kind=wx.ITEM_NORMAL, text=datatype)
                self.Bind(wx.EVT_MENU, self.GetVariableTypeFunction(datatype), id=new_id)
            type_menu.AppendMenu(wx.NewId(), "User Data Types", datatype_menu)
            rect = self.VariablesGrid.BlockToDeviceRect((row, col), (row, col))
            self.VariablesGrid.PopupMenuXY(type_menu, rect.x + rect.width, rect.y + self.VariablesGrid.GetColLabelSize())
            event.Veto()
        else:
            event.Skip()

    def GetVariableTypeFunction(self, base_type):
        def VariableTypeFunction(event):
            row = self.VariablesGrid.GetGridCursorRow()
            self.Table.SetValueByName(row, "Type", base_type)
            self.Table.ResetView(self.VariablesGrid)
            self.RefreshModel()
            self.RefreshView()
            event.Skip()
        return VariableTypeFunction

    def OnVariablesGridCellLeftClick(self, event):
        if event.GetCol() == 0:
            row = event.GetRow()
            num = 0
            if self.Table.GetValueByName(row, "Class") == "input":
                dir = "%I"
                for i in xrange(row):
                    if self.Table.GetValueByName(i, "Class") == "input":
                        num += 1
            else:
                dir = "%Q"
                for i in xrange(row):
                    if self.Table.GetValueByName(i, "Class") == "output":
                        num += 1
            data_type = self.Table.GetValueByName(row, "Type")
            base_location = ".".join(map(lambda x:str(x), self.Controler.GetCurrentLocation()))
            location = "%s%s%s.%d"%(dir, self.Controler.GetSizeOfType(data_type), base_location, num)
            data = wx.TextDataObject(str((location, "location", data_type)))
            dragSource = wx.DropSource(self.VariablesGrid)
            dragSource.SetData(data)
            dragSource.DoDragDrop()
        event.Skip()
    

#-------------------------------------------------------------------------------
#                          SVGUIEditor Main Frame Class
#-------------------------------------------------------------------------------


CFILE_PARTS = ["Includes", "Variables", "Globals", "Init", "CleanUp", "Retrieve", 
               "Publish"]

[ID_CFILEEDITOR, ID_CFILEEDITORMAINSPLITTER, 
 ID_CFILEEDITORCFILETREE, ID_CFILEEDITORPARTSOPENED, 
] = [wx.NewId() for _init_ctrls in range(4)]

class CFileEditor(wx.Frame):
    
    if wx.VERSION < (2, 6, 0):
        def Bind(self, event, function, id = None):
            if id is not None:
                event(self, id, function)
            else:
                event(self, function)
    
    def _init_coll_EditMenu_Items(self, parent):
        AppendMenu(parent, help='', id=wx.ID_REFRESH,
              kind=wx.ITEM_NORMAL, text=u'Refresh\tCTRL+R')
        AppendMenu(parent, help='', id=wx.ID_UNDO,
              kind=wx.ITEM_NORMAL, text=u'Undo\tCTRL+Z')
        AppendMenu(parent, help='', id=wx.ID_REDO,
              kind=wx.ITEM_NORMAL, text=u'Redo\tCTRL+Y')
        self.Bind(wx.EVT_MENU, self.OnRefreshMenu, id=wx.ID_REFRESH)
        self.Bind(wx.EVT_MENU, self.OnUndoMenu, id=wx.ID_UNDO)
        self.Bind(wx.EVT_MENU, self.OnRedoMenu, id=wx.ID_REDO)
    
    def _init_coll_MenuBar_Menus(self, parent):
        parent.Append(menu=self.EditMenu, title=u'&Edit')
    
    def _init_utils(self):
        self.MenuBar = wx.MenuBar()

        self.EditMenu = wx.Menu(title='')
        
        self._init_coll_MenuBar_Menus(self.MenuBar)
        self._init_coll_EditMenu_Items(self.EditMenu)
        
    def _init_ctrls(self, prnt):
        wx.Frame.__init__(self, id=ID_CFILEEDITOR, name=u'CFileEditor',
              parent=prnt, pos=wx.DefaultPosition, size=wx.Size(800, 650),
              style=wx.DEFAULT_FRAME_STYLE, title=u'CFileEditor')
        self._init_utils()
        self.SetClientSize(wx.Size(1000, 600))
        self.SetMenuBar(self.MenuBar)
        self.Bind(wx.EVT_CLOSE, self.OnCloseFrame)
        
        self.Bind(wx.EVT_MENU, self.OnSaveMenu, id=wx.ID_SAVE)
        accel = wx.AcceleratorTable([wx.AcceleratorEntry(wx.ACCEL_CTRL, 83, wx.ID_SAVE)])
        self.SetAcceleratorTable(accel)
        
        if wx.VERSION >= (2, 8, 0):
            self.AUIManager = wx.aui.AuiManager(self)
            self.AUIManager.SetDockSizeConstraint(0.5, 0.5)
        
        if wx.VERSION < (2, 8, 0):
            self.MainSplitter = wx.SplitterWindow(id=ID_CFILEEDITORMAINSPLITTER, 
                  name='MainSplitter', parent=self, point=wx.Point(0, 0),
                  size=wx.Size(-1, -1), style=wx.SP_3D)
            self.MainSplitter.SetNeedUpdating(True)
            self.MainSplitter.SetMinimumPaneSize(1)
        
            self.CFileTree = wx.TreeCtrl(id=ID_CFILEEDITORCFILETREE, 
                  name='CFileTree', parent=self.MainSplitter, pos=wx.Point(0, 0),
                  size=wx.Size(-1, -1), style=wx.TR_HAS_BUTTONS|wx.TR_SINGLE|wx.SUNKEN_BORDER)
        else:
            self.CFileTree = wx.TreeCtrl(id=ID_CFILEEDITORCFILETREE, 
                  name='CFileTree', parent=self, pos=wx.Point(0, 0),
                  size=wx.Size(-1, -1), style=wx.TR_HAS_BUTTONS|wx.TR_SINGLE|wx.SUNKEN_BORDER)
            self.AUIManager.AddPane(self.CFileTree, wx.aui.AuiPaneInfo().Caption("CFile Tree").Left().Layer(1).BestSize(wx.Size(200, 500)).CloseButton(False))
        self.Bind(wx.EVT_TREE_SEL_CHANGED, self.OnCFileTreeItemSelected, 
              id=ID_CFILEEDITORCFILETREE)
        self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.OnCFileTreeItemActivated,
              id=ID_CFILEEDITORCFILETREE)
        
        if wx.VERSION < (2, 8, 0):
            self.PartsOpened = wx.Notebook(id=ID_CFILEEDITORPARTSOPENED,
                  name='PartsOpened', parent=self.MainSplitter, pos=wx.Point(0,
                  0), size=wx.Size(0, 0), style=0)
            if wx.VERSION >= (2, 6, 0):
                self.PartsOpened.Bind(wx.EVT_NOTEBOOK_PAGE_CHANGED,
                    self.OnPartSelectedChanged, id=ID_CFILEEDITORPARTSOPENED)
            else:
                wx.EVT_NOTEBOOK_PAGE_CHANGED(self.PartsOpened, ID_CFILEEDITORPARTSOPENED,
                    self.OnPartSelectedChanged)
            
            self.MainSplitter.SplitVertically(self.ProjectTree, self.PartsOpened, 200)
        else:
            self.PartsOpened = wx.aui.AuiNotebook(self)
            self.PartsOpened.Bind(wx.aui.EVT_AUINOTEBOOK_PAGE_CHANGED,
                    self.OnPartSelectedChanged)
            self.AUIManager.AddPane(self.PartsOpened, wx.aui.AuiPaneInfo().CentrePane())
            
        self.StatusBar = wx.StatusBar( name='HelpBar',
              parent=self, style=wx.ST_SIZEGRIP)
        self.SetStatusBar(self.StatusBar)
        
        if wx.VERSION >= (2, 8, 0):
            self.AUIManager.Update()
    
    def __init__(self, parent, controler):
        self._init_ctrls(parent)
        
        self.Controler = controler

        self.InitCFileTree()
        self.RefreshTitle()
        self.RefreshEditMenu()

    def OnCloseFrame(self, event):
        if wx.VERSION >= (2, 8, 0):
            self.AUIManager.UnInit()
        if getattr(self, "_onclose", None) is not None:
            self._onclose()
        event.Skip()

    def OnCloseTabMenu(self, event):
        selected = self.PartsOpened.GetSelection()
        if selected >= 0:
            self.PartsOpened.DeletePage(selected)
        event.Skip()

    def OnSaveMenu(self, event):
        if getattr(self, "_onsave", None) != None:
            self._onsave()
        self.RefreshTitle()
        self.RefreshEditMenu()
        event.Skip()

#-------------------------------------------------------------------------------
#                            Notebook Unified Functions
#-------------------------------------------------------------------------------
    
    def DeleteAllPages(self):
        if wx.VERSION >= (2, 8, 0):
            for idx in xrange(self.PartsOpened.GetPageCount()):
                self.PartsOpened.DeletePage(0)
        else:
            self.PartsOpened.DeleteAllPages()

    def SetPageBitmap(self, idx, bitmap):
        if wx.VERSION >= (2, 8, 0):
            return self.PartsOpened.SetPageBitmap(idx, bitmap)
        else:
            return self.PartsOpened.SetPageImage(idx, bitmap)

    def IsOpened(self, name):
        for idx in xrange(self.PartsOpened.GetPageCount()):
            if self.PartsOpened.GetPage(idx).IsViewing(name):
                return idx
        return None

    def RefreshTitle(self):
        self.SetTitle("CFileEditor - %s"%self.Controler.GetFilename())
        
#-------------------------------------------------------------------------------
#                          Edit Project Menu Functions
#-------------------------------------------------------------------------------

    def RefreshEditMenu(self):
        undo, redo = self.Controler.GetBufferState()
        self.EditMenu.Enable(wx.ID_UNDO, undo)
        self.EditMenu.Enable(wx.ID_REDO, redo)

    def OnRefreshMenu(self, event):
        selected = self.PartsOpened.GetSelection()
        if selected != -1:
            window = self.PartsOpened.GetPage(selected)
            window.RefreshView()
        event.Skip()

    def OnUndoMenu(self, event):
        self.Controler.LoadPrevious()
        selected = self.PartsOpened.GetSelection()        
        if selected != -1:
            window = self.PartsOpened.GetPage(selected)
            window.RefreshView()
        self.RefreshTitle()
        self.RefreshEditMenu()
        event.Skip()
    
    def OnRedoMenu(self, event):
        self.Controler.LoadNext()
        selected = self.PartsOpened.GetSelection()
        if selected != -1:
            window = self.PartsOpened.GetPage(selected)
            window.RefreshView()
        self.RefreshTitle()
        self.RefreshEditMenu()
        event.Skip()
        
#-------------------------------------------------------------------------------
#                      CFile Editor Panels Management Functions
#-------------------------------------------------------------------------------
    
    def OnPartSelectedChanged(self, event):
        old_selected = self.PartsOpened.GetSelection()
        if old_selected >= 0:
            self.PartsOpened.GetPage(old_selected).ResetBuffer()
        selected = event.GetSelection()
        if selected >= 0:
            window = self.PartsOpened.GetPage(selected)
            window.RefreshView()
        event.Skip()

#-------------------------------------------------------------------------------
#                         CFile Tree Management Functions
#-------------------------------------------------------------------------------

    def InitCFileTree(self):
        root = self.CFileTree.AddRoot("C File")
        for name in CFILE_PARTS:
            self.CFileTree.AppendItem(root, name)
        self.CFileTree.Expand(root)

    def OnCFileTreeItemActivated(self, event):
        self.EditCFilePart(self.CFileTree.GetItemText(event.GetItem()))
        event.Skip()

    def OnCFileTreeItemSelected(self, event):
        select_item = event.GetItem()
        self.EditCFilePart(self.CFileTree.GetItemText(event.GetItem()), True)
        event.Skip()
        
    def EditCFilePart(self, name, onlyopened = False):
        openedidx = self.IsOpened(name)
        if openedidx is not None:
            old_selected = self.PartsOpened.GetSelection()
            if old_selected != openedidx:
                if old_selected >= 0:
                    self.PartsOpened.GetPage(old_selected).ResetBuffer()
                self.PartsOpened.SetSelection(openedidx)
            self.PartsOpened.GetPage(openedidx).RefreshView()
        elif not onlyopened:
            if name == "Variables":
                new_window = VariablesEditor(self.PartsOpened, self, self.Controler)
                self.PartsOpened.AddPage(new_window, name)
            else:
                new_window = CppEditor(self.PartsOpened, name, self, self.Controler)
                self.PartsOpened.AddPage(new_window, name)
            openedidx = self.IsOpened(name)
            old_selected = self.PartsOpened.GetSelection()
            if old_selected != openedidx:
                if old_selected >= 0:
                    self.PartsOpened.GetPage(old_selected).ResetBuffer()
            for i in xrange(self.PartsOpened.GetPageCount()):
                window = self.PartsOpened.GetPage(i)
                if window.IsViewing(name):
                    self.PartsOpened.SetSelection(i)
                    window.RefreshView()
                    window.SetFocus()