git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29859 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			480 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			480 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
#----------------------------------------------------------------------------
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# Name:         GridColMover.py
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# Purpose:      Grid Column Mover Extension
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#
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# Author:       Gerrit van Dyk (email: gerritvd@decillion.net)
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#
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# Version       0.1
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# Date:         Nov 19, 2002
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# RCS-ID:       $Id$
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# Licence:      wxWindows license
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#----------------------------------------------------------------------------
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# 12/07/2003 - Jeff Grimmett (grimmtooth@softhome.net)
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#
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# o 2.5 Compatability changes
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#
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# 12/18/2003 - Jeff Grimmett (grimmtooth@softhome.net)
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#
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# o wxGridColMoveEvent -> GridColMoveEvent
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# o wxGridRowMoveEvent -> GridRowMoveEvent
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# o wxGridColMover -> GridColMover
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# o wxGridRowMover -> GridRowMover
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#
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import  wx
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import  wx.grid
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#----------------------------------------------------------------------------
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# event class and macros
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# 
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# New style 12/7/03
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#
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wxEVT_COMMAND_GRID_COL_MOVE = wx.NewEventType()
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wxEVT_COMMAND_GRID_ROW_MOVE = wx.NewEventType()
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EVT_GRID_COL_MOVE = wx.PyEventBinder(wxEVT_COMMAND_GRID_COL_MOVE, 1)
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EVT_GRID_ROW_MOVE = wx.PyEventBinder(wxEVT_COMMAND_GRID_ROW_MOVE, 1)
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#----------------------------------------------------------------------------
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class GridColMoveEvent(wx.PyCommandEvent):
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    def __init__(self, id, dCol, bCol):
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        wx.PyCommandEvent.__init__(self, id = id)
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        self.SetEventType(wxEVT_COMMAND_GRID_COL_MOVE)
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        self.moveColumn = dCol
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        self.beforeColumn = bCol
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    def GetMoveColumn(self):
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        return self.moveColumn
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    def GetBeforeColumn(self):
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        return self.beforeColumn
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class GridRowMoveEvent(wx.PyCommandEvent):
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    def __init__(self, id, dRow, bRow):
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        wx.PyCommandEvent.__init__(self,id = id)
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        self.SetEventType(wxEVT_COMMAND_GRID_ROW_MOVE)
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        self.moveRow = dRow
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        self.beforeRow = bRow
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    def GetMoveRow(self):
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        return self.moveRow
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    def GetBeforeRow(self):
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        return self.beforeRow
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#----------------------------------------------------------------------------
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# graft new methods into the wxGrid class
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def _ColToRect(self,col):
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    if self.GetNumberRows() > 0:
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        rect = self.CellToRect(0,col)
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    else:
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        rect = wx.Rect()
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        rect.height = self.GetColLabelSize()
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        rect.width = self.GetColSize(col)
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        for cCol in range(0,col):
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            rect.x += self.GetColSize(cCol)
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    rect.y = self.GetGridColLabelWindow().GetPosition()[1]
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    return rect
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wx.grid.Grid.ColToRect = _ColToRect
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def _RowToRect(self,row):
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    if self.GetNumberCols() > 0:
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        rect = self.CellToRect(row,0)
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    else:
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        rect = wx.Rect()
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        rect.width = self.GetRowLabelSize()
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        rect.height = self.GetRowSize(row)
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        for cRow in range(0,row):
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            rect.y += self.GetRowSize(cRow)
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    rect.x = self.GetGridRowLabelWindow().GetPosition()[0]
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    return rect
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wx.grid.Grid.RowToRect = _RowToRect
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#----------------------------------------------------------------------------
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class ColDragWindow(wx.Window):
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    def __init__(self,parent,image,dragCol):
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        wx.Window.__init__(self,parent,-1, style=wx.SIMPLE_BORDER)
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        self.image = image
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        self.SetSize((self.image.GetWidth(),self.image.GetHeight()))
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        self.ux = parent.GetScrollPixelsPerUnit()[0]
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        self.moveColumn = dragCol
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        self.Bind(wx.EVT_PAINT, self.OnPaint)
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    def DisplayAt(self,pos,y):
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        x = self.GetPositionTuple()[0]
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        if x == pos:
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            self.Refresh()              # Need to display insertion point
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        else:
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            self.MoveXY(pos,y)
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    def GetMoveColumn(self):
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        return self.moveColumn
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    def _GetInsertionInfo(self):
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        parent = self.GetParent()
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        sx = parent.GetViewStart()[0] * self.ux
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        sx -= parent._rlSize
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        x = self.GetPosition()[0]
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        w = self.GetSize()[0]
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        sCol = parent.XToCol(x + sx)
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        eCol = parent.XToCol(x + w + sx)
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        iPos = xPos = xCol = 99999
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        centerPos = x + sx + (w / 2)
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        for col in range(sCol,eCol + 1):
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            cx = parent.ColToRect(col)[0]
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            if abs(cx - centerPos) < iPos:
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                iPos = abs(cx - centerPos)
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                xCol = col
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                xPos = cx
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        if xCol < 0 or xCol > parent.GetNumberCols():
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            xCol = parent.GetNumberCols()
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        return (xPos - sx - x,xCol)
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    def GetInsertionColumn(self):
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        return self._GetInsertionInfo()[1]
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    def GetInsertionPos(self):
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        return self._GetInsertionInfo()[0]
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    def OnPaint(self,evt):
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        dc = wx.PaintDC(self)
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        w,h = self.GetSize()
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        dc.DrawBitmap(self.image, 0,0)
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        dc.SetPen(wx.Pen(wx.BLACK,1,wx.SOLID))
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        dc.SetBrush(wx.TRANSPARENT_BRUSH)
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        dc.DrawRectangle(0,0, w,h)
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        iPos = self.GetInsertionPos()
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        dc.DrawLine(iPos,h - 10, iPos,h)
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class RowDragWindow(wx.Window):
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    def __init__(self,parent,image,dragRow):
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        wx.Window.__init__(self,parent,-1, style=wx.SIMPLE_BORDER)
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        self.image = image
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        self.SetSize((self.image.GetWidth(),self.image.GetHeight()))
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        self.uy = parent.GetScrollPixelsPerUnit()[1]
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        self.moveRow = dragRow
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        self.Bind(wx.EVT_PAINT, self.OnPaint)
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    def DisplayAt(self,x,pos):
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        y = self.GetPosition()[1]
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        if y == pos:
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            self.Refresh()              # Need to display insertion point
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        else:
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            self.MoveXY(x,pos)
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    def GetMoveRow(self):
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        return self.moveRow
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    def _GetInsertionInfo(self):
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        parent = self.GetParent()
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        sy = parent.GetViewStart()[1] * self.uy
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        sy -= parent._clSize
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        y = self.GetPosition()[1]
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        h = self.GetSize()[1]
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        sRow = parent.YToRow(y + sy)
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        eRow = parent.YToRow(y + h + sy)
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        iPos = yPos = yRow = 99999
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        centerPos = y + sy + (h / 2)
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        for row in range(sRow,eRow + 1):
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            cy = parent.RowToRect(row)[1]
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            if abs(cy - centerPos) < iPos:
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                iPos = abs(cy - centerPos)
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                yRow = row
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                yPos = cy
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        if yRow < 0 or yRow > parent.GetNumberRows():
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            yRow = parent.GetNumberRows()
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        return (yPos - sy - y,yRow)
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    def GetInsertionRow(self):
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        return self._GetInsertionInfo()[1]
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    def GetInsertionPos(self):
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        return self._GetInsertionInfo()[0]
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    def OnPaint(self,evt):
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        dc = wx.PaintDC(self)
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        w,h = self.GetSize()
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        dc.DrawBitmap(self.image, 0,0)
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        dc.SetPen(wx.Pen(wx.BLACK,1,wx.SOLID))
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        dc.SetBrush(wx.TRANSPARENT_BRUSH)
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        dc.DrawRectangle(0,0, w,h)
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        iPos = self.GetInsertionPos()
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        dc.DrawLine(w - 10,iPos, w,iPos)
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#----------------------------------------------------------------------------
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class GridColMover(wx.EvtHandler):
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    def __init__(self,grid):
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        wx.EvtHandler.__init__(self)
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        self.grid = grid
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        self.grid._rlSize = self.grid.GetRowLabelSize()
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        self.lwin = grid.GetGridColLabelWindow()
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        self.lwin.PushEventHandler(self)
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        self.colWin = None
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        self.ux = self.grid.GetScrollPixelsPerUnit()[0]
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        self.startX = -10
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        self.cellX = 0
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        self.didMove = False
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        self.isDragging = False
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        self.Bind(wx.EVT_MOTION, self.OnMouseMove)
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        self.Bind(wx.EVT_LEFT_DOWN, self.OnPress)
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        self.Bind(wx.EVT_LEFT_UP, self.OnRelease)
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    def OnMouseMove(self,evt):
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        if self.isDragging:
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            if abs(self.startX - evt.m_x) >= 3:
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                self.didMove = True
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                sx,y = self.grid.GetViewStart()
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                w,h = self.lwin.GetClientSize()
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                x = sx * self.ux
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                if (evt.m_x + x) < x:
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                    x = evt.m_x + x
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                elif evt.m_x > w:
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                    x += evt.m_x - w
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                if x < 1: x = 0
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                else: x /= self.ux
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                if x != sx:
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                    if wx.Platform == '__WXMSW__':
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                        self.colWin.Show(False)
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                    self.grid.Scroll(x,y)
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                x,y = self.lwin.ClientToScreenXY(evt.m_x,0)
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                x,y = self.grid.ScreenToClientXY(x,y)
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                if not self.colWin.IsShown():
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                    self.colWin.Show(True)
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                px = x - self.cellX
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                if px < 0 + self.grid._rlSize: px = 0 + self.grid._rlSize
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                if px > w - self.colWin.GetSize()[0] + self.grid._rlSize:
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                    px = w - self.colWin.GetSize()[0] + self.grid._rlSize
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                self.colWin.DisplayAt(px,y)
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                return
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        evt.Skip()
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    def OnPress(self,evt):
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        self.startX = evt.m_x
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        sx = self.grid.GetViewStart()[0] * self.ux
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        sx -= self.grid._rlSize
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        px,py = self.lwin.ClientToScreenXY(evt.m_x,evt.m_y)
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        px,py = self.grid.ScreenToClientXY(px,py)
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        if self.grid.XToEdgeOfCol(px + sx) != wx.NOT_FOUND:
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            evt.Skip()
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            return
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        self.isDragging = True
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        self.didMove = False
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        col = self.grid.XToCol(px + sx)
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        rect = self.grid.ColToRect(col)
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        self.cellX = px + sx - rect.x
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        size = self.lwin.GetSize()
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        rect.y = 0
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        rect.x -= sx + self.grid._rlSize
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        rect.height = size[1]
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        colImg = self._CaptureImage(rect)
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        self.colWin = ColDragWindow(self.grid,colImg,col)
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        self.colWin.Show(False)
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        self.lwin.CaptureMouse()
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        evt.Skip()
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    def OnRelease(self,evt):
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        if self.isDragging:
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            self.lwin.ReleaseMouse()
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            self.colWin.Show(False)
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            self.isDragging = False
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            if not self.didMove:
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                px = self.lwin.ClientToScreenXY(self.startX,0)[0]
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                px = self.grid.ScreenToClientXY(px,0)[0]
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                sx = self.grid.GetViewStart()[0] * self.ux
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                sx -= self.grid._rlSize
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                col = self.grid.XToCol(px+sx)
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                if col != wx.NOT_FOUND:
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                    self.grid.SelectCol(col,evt.m_controlDown)
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                return
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            else:
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                bCol = self.colWin.GetInsertionColumn()
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                dCol = self.colWin.GetMoveColumn()
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                wx.PostEvent(self,
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                             GridColMoveEvent(self.grid.GetId(), dCol, bCol))
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            self.colWin.Destroy()
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        evt.Skip()
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    def _CaptureImage(self,rect):
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        bmp = wx.EmptyBitmap(rect.width,rect.height)
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        memdc = wx.MemoryDC()
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        memdc.SelectObject(bmp)
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        dc = wx.WindowDC(self.lwin)
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        memdc.Blit(0,0, rect.width, rect.height, dc, rect.x, rect.y)
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        memdc.SelectObject(wx.NullBitmap)
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        return bmp
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class GridRowMover(wx.EvtHandler):
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    def __init__(self,grid):
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        wx.EvtHandler.__init__(self)
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        self.grid = grid
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        self.grid._clSize = self.grid.GetColLabelSize()
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        self.lwin = grid.GetGridRowLabelWindow()
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        self.lwin.PushEventHandler(self)
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        self.rowWin = None
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        self.uy = self.grid.GetScrollPixelsPerUnit()[1]
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        self.startY = -10
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        self.cellY = 0
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        self.didMove = False
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        self.isDragging = False
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        self.Bind(wx.EVT_MOTION, self.OnMouseMove)
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        self.Bind(wx.EVT_LEFT_DOWN, self.OnPress)
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        self.Bind(wx.EVT_LEFT_UP, self.OnRelease)
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    def OnMouseMove(self,evt):
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        if self.isDragging:
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            if abs(self.startY - evt.m_y) >= 3:
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                self.didMove = True
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                x,sy = self.grid.GetViewStart()
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                w,h = self.lwin.GetClientSizeTuple()
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                y = sy * self.uy
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                if (evt.m_y + y) < y:
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                    y = evt.m_y + y
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                elif evt.m_y > h:
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                    y += evt.m_y - h
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                if y < 1: 
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                    y = 0
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                else: 
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                    y /= self.uy
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                if y != sy:
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                    if wx.Platform == '__WXMSW__':
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                        self.rowWin.Show(False)
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                    self.grid.Scroll(x,y)
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                x,y = self.lwin.ClientToScreenXY(0,evt.m_y)
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                x,y = self.grid.ScreenToClientXY(x,y)
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                if not self.rowWin.IsShown():
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                    self.rowWin.Show(True)
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                py = y - self.cellY
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                if py < 0 + self.grid._clSize: 
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                    py = 0 + self.grid._clSize
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                if py > h - self.rowWin.GetSize()[1] + self.grid._clSize:
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                    py = h - self.rowWin.GetSize()[1] + self.grid._clSize
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                self.rowWin.DisplayAt(x,py)
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                return
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        evt.Skip()
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    def OnPress(self,evt):
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        self.startY = evt.m_y
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        sy = self.grid.GetViewStart()[1] * self.uy
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        sy -= self.grid._clSize
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        px,py = self.lwin.ClientToScreenXY(evt.m_x,evt.m_y)
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        px,py = self.grid.ScreenToClientXY(px,py)
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        if self.grid.YToEdgeOfRow(py + sy) != wx.NOT_FOUND:
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            evt.Skip()
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            return
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        self.isDragging = True
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        self.didMove = False
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        row = self.grid.YToRow(py + sy)
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        rect = self.grid.RowToRect(row)
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        self.cellY = py + sy - rect.y
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        size = self.lwin.GetSize()
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        rect.x = 0
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        rect.y -= sy + self.grid._clSize
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        rect.width = size[0]
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						|
        rowImg = self._CaptureImage(rect)
 | 
						|
        self.rowWin = RowDragWindow(self.grid,rowImg,row)
 | 
						|
        self.rowWin.Show(False)
 | 
						|
        self.lwin.CaptureMouse()
 | 
						|
        evt.Skip()
 | 
						|
 | 
						|
    def OnRelease(self,evt):
 | 
						|
        if self.isDragging:
 | 
						|
            self.lwin.ReleaseMouse()
 | 
						|
            self.rowWin.Show(False)
 | 
						|
            self.isDragging = False
 | 
						|
 | 
						|
            if not self.didMove:
 | 
						|
                py = self.lwin.ClientToScreenXY(0,self.startY)[1]
 | 
						|
                py = self.grid.ScreenToClientXY(0,py)[1]
 | 
						|
                sy = self.grid.GetViewStart()[1] * self.uy
 | 
						|
                sy -= self.grid._clSize
 | 
						|
                row = self.grid.YToRow(py + sy)
 | 
						|
 | 
						|
                if row != wx.NOT_FOUND:
 | 
						|
                    self.grid.SelectRow(row,evt.m_controlDown)
 | 
						|
                return
 | 
						|
            else:
 | 
						|
                bRow = self.rowWin.GetInsertionRow()
 | 
						|
                dRow = self.rowWin.GetMoveRow()
 | 
						|
 | 
						|
                wx.PostEvent(self,
 | 
						|
                             GridRowMoveEvent(self.grid.GetId(), dRow, bRow))
 | 
						|
 | 
						|
            self.rowWin.Destroy()
 | 
						|
        evt.Skip()
 | 
						|
 | 
						|
    def _CaptureImage(self,rect):
 | 
						|
        bmp = wx.EmptyBitmap(rect.width,rect.height)
 | 
						|
        memdc = wx.MemoryDC()
 | 
						|
        memdc.SelectObject(bmp)
 | 
						|
        dc = wx.WindowDC(self.lwin)
 | 
						|
        memdc.Blit(0,0, rect.width, rect.height, dc, rect.x, rect.y)
 | 
						|
        memdc.SelectObject(wx.NullBitmap)
 | 
						|
        return bmp
 | 
						|
 | 
						|
 | 
						|
#----------------------------------------------------------------------------
 |