calendar.py

用wxPython编写GUI程序的样例代码

        mID = wx.NewId()
        SetToolPath(self, tb, mID, images.getDecBitmap(), 'Dec Month')
        self.Bind(wx.EVT_TOOL, self.OnDecMonth, id=mID)

        mID = wx.NewId()
        SetToolPath(self, tb, mID, images.getPtBitmap(), 'Current Month')
        self.Bind(wx.EVT_TOOL, self.OnCurrent, id=mID)

        mID = wx.NewId()
        SetToolPath(self, tb, mID, images.getIncBitmap(), 'Inc Month')
        self.Bind(wx.EVT_TOOL, self.OnIncMonth, id=mID)

        mID = wx.NewId()
        SetToolPath(self, tb, mID, images.getDbIncBitmap(), 'Inc Year')
        self.Bind(wx.EVT_TOOL, self.OnIncYear, id=mID)

        tb.Realize()

#---------------------------------------------------------------------------

# example class for printing/previewing calendars

class PrintCalend:
    def __init__(self, parent, month, year):
        self.frame = parent
        self.month = month
        self.year = year

        self.SetParms()
        self.SetCal()
        self.printData = wx.PrintData()

    def SetCal(self):
        self.grid_color = 'BLUE'
        self.back_color = 'WHITE'
        self.sel_color = 'RED'
        self.high_color = 'LIGHT BLUE'
        self.font = wx.SWISS
        self.bold = wx.NORMAL

        self.sel_key = None      # last used by
        self.sel_lst = []        # highlighted selected days

        self.size = None
        self.hide_title = False
        self.hide_grid = False
        self.set_day = None

    def SetParms(self):
        self.ymax = 1
        self.xmax = 1
        self.page = 1
        self.total_pg = 1

        self.preview = None
        self.scale = 1.0

        self.pagew = 8.5
        self.pageh = 11.0

        self.txt_marg = 0.1
        self.lf_marg = 0
        self.top_marg = 0

        self.page = 0

    def SetDates(self, month, year):
        self.month = month
        self.year = year

    def SetStyleDef(self, desc):
        self.style = desc

    def SetCopies(self, copies):        # number of copies of label
        self.copies = copies

    def SetStart(self, start):          # start position of label
        self.start = start

    def Preview(self):
        printout = SetPrintout(self)
        printout2 = SetPrintout(self)
        self.preview = wx.PrintPreview(printout, printout2, self.printData)

        if not self.preview.Ok():
            wx.MessageBox("There was a problem printing!", "Printing", wx.OK)
            return

        self.preview.SetZoom(60)        # initial zoom value

        frame = wx.PreviewFrame(self.preview, self.frame, "Print preview")

        frame.Initialize()
        frame.SetPosition(self.frame.GetPosition())
        frame.SetSize(self.frame.GetSize())
        frame.Show(True)

    def Print(self):
        pdd = wx.PrintDialogData()
        pdd.SetPrintData(self.printData)
        printer = wx.Printer(pdd)
        printout = SetPrintout(self)
        frame = wx.Frame(None, -1, "Test")

        if not printer.Print(frame, printout):
            wx.MessageBox("There was a problem printing.\nPerhaps your current printer is not set correctly?", "Printing", wx.OK)
        else:
            self.printData = printer.GetPrintDialogData().GetPrintData()

        printout.Destroy()

    def DoDrawing(self, DC):
        size = DC.GetSize()
        DC.BeginDrawing()

        cal = wx.lib.calendar.PrtCalDraw(self)

        if self.preview is None:
            cal.SetPSize(size[0]/self.pagew, size[1]/self.pageh)
            cal.SetPreview(False)

        else:
            if self.preview == 1:
                cal.SetPSize(size[0]/self.pagew, size[1]/self.pageh)
            else:
                cal.SetPSize(self.pwidth, self.pheight)

            cal.SetPreview(self.preview)

        cal.hide_title = self.hide_title        # set the calendar parameters
        cal.hide_grid = self.hide_grid

        cal.grid_color = self.grid_color
        cal.high_color = self.high_color
        cal.back_color = self.back_color
        cal.outer_border = False
        cal.font = self.font
        cal.bold = self.bold

        cal_size = (3.0, 3.0)
        cal.SetSize(cal_size)

        year, month = self.year, self.month

        x = 0.5
        for i in range(2):
            y = 0.5

            for j in range(3):
                cal.SetCal(year, month)       # current month
                cal.SetPos(x, y)

                try:
                    set_days = test_days[month]
                except:
                    set_days = [1, 5, 12]

                cal.AddSelect([2, 16], 'GREEN', 'WHITE')

                cal.DrawCal(DC, set_days)

                year, month = self.IncMonth(year, month)
                y = y + 3.5

            x = x + 4.0     # next column

        DC.EndDrawing()

        self.ymax = DC.MaxY()
        self.xmax = DC.MaxX()

    def IncMonth(self, year, month):     # next month
        month = month + 1

        if month > 12:
            month = 1
            year = year + 1

        return year, month

    def GetTotalPages(self):
        self.pg_cnt = 1
        return self.pg_cnt

    def SetPage(self, page):
        self.page = page

    def SetPageSize(self, width, height):
        self.pwidth, self.pheight = width, height

    def SetTotalSize(self, width, height):
        self.ptwidth, self.ptheight = width, height

    def SetPreview(self, preview, scale):
        self.preview = preview
        self.scale = scale

    def SetTotalSize(self, width, height):
        self.ptwidth = width
        self.ptheight = height

def SetToolPath(self, tb, id, bmp, title):
    tb.AddSimpleTool(id, bmp, title, title)

class SetPrintout(wx.Printout):
    def __init__(self, canvas):
        wx.Printout.__init__(self)
        self.canvas = canvas
        self.end_pg = 1

    def OnBeginDocument(self, start, end):
        return super(SetPrintout, self).OnBeginDocument(start, end)

    def OnEndDocument(self):
        super(SetPrintout, self).OnEndDocument()

    def HasPage(self, page):
        if page <= self.end_pg:
            return True
        else:
            return False

    def GetPageInfo(self):
        self.end_pg = self.canvas.GetTotalPages()
        str_pg = 1

        try:
            end_pg = self.end_pg
        except:
            end_pg = 1

        return (str_pg, end_pg, str_pg, end_pg)

    def OnPreparePrinting(self):
        super(SetPrintout, self).OnPreparePrinting()

    def OnBeginPrinting(self):
        dc = self.GetDC()

        self.preview = self.IsPreview()

        if (self.preview):
            self.pixelsPerInch = self.GetPPIScreen()
        else:
            self.pixelsPerInch = self.GetPPIPrinter()

        (w, h) = dc.GetSize()
        scaleX = float(w) / 1000
        scaleY = float(h) / 1000
        self.printUserScale = min(scaleX, scaleY)

        super(SetPrintout, self).OnBeginPrinting()

    def GetSize(self):
        self.psizew, self.psizeh = self.GetPPIPrinter()
        return self.psizew, self.psizeh

    def GetTotalSize(self):
        self.ptsizew, self.ptsizeh = self.GetPageSizePixels()
        return self.ptsizew, self.ptsizeh

    def OnPrintPage(self, page):
        dc = self.GetDC()
        (w, h) = dc.GetSize()
        scaleX = float(w) / 1000
        scaleY = float(h) / 1000
        self.printUserScale = min(scaleX, scaleY)
        dc.SetUserScale(self.printUserScale, self.printUserScale)

        self.preview = self.IsPreview()

        self.canvas.SetPreview(self.preview, self.printUserScale)
        self.canvas.SetPage(page)

        self.ptsizew, self.ptsizeh = self.GetPageSizePixels()
        self.canvas.SetTotalSize(self.ptsizew, self.ptsizeh)

        self.psizew, self.psizeh = self.GetPPIPrinter()
        self.canvas.SetPageSize(self.psizew, self.psizeh)

        self.canvas.DoDrawing(dc)
        return True

class MyApp(wx.App):
    def OnInit(self):
        frame = CalendFrame(None, -1, "Test Calendar", log)
        frame.Show(True)
        self.SetTopWindow(frame)
        return True

#---------------------------------------------------------------------------

def MessageDlg(self, message, type = 'Message'):
    dlg = wx.MessageDialog(self, message, type, wx.OK | wx.ICON_INFORMATION)
    dlg.ShowModal()
    dlg.Destroy()

#---------------------------------------------------------------------------

def runTest(frame, nb, log):
    win = TestPanel(nb, log, frame)
    return win

#---------------------------------------------------------------------------


overview = """\
This control provides a Calendar control class for displaying and selecting dates.  
In addition, the class is extended and can be used for printing/previewing.

Additional features include weekend highlighting and business type Monday-Sunday 
format.

See example for various methods used to set display month, year, and highlighted 
dates (different font and background colours).

by Lorne White

"""




if __name__ == '__main__':
    import sys,os
    import run
    run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])