wxWidgets/wxPython/samples/wxPIA_book/Chapter-06/example7.py
2006-11-01 22:36:23 +00:00

332 lines
11 KiB
Python

import wx
import wx.html
import cPickle
import os
from wx.lib import buttons
from example1 import SketchWindow
class SketchFrame(wx.Frame):
def __init__(self, parent):
self.title = "Sketch Frame"
wx.Frame.__init__(self, parent, -1, self.title,
size=(800,600))
self.filename = ""
self.sketch = SketchWindow(self, -1)
wx.EVT_MOTION(self.sketch, self.OnSketchMotion)
self.initStatusBar()
self.createMenuBar()
self.createToolBar()
self.createPanel()
def createPanel(self):
controlPanel = ControlPanel(self, -1, self.sketch)
box = wx.BoxSizer(wx.HORIZONTAL)
box.Add(controlPanel, 0, wx.EXPAND)
box.Add(self.sketch, 1, wx.EXPAND)
self.SetSizer(box)
def initStatusBar(self):
self.statusbar = self.CreateStatusBar()
self.statusbar.SetFieldsCount(3)
self.statusbar.SetStatusWidths([-1, -2, -3])
def OnSketchMotion(self, event):
self.statusbar.SetStatusText("Pos: %s" %
str(event.GetPositionTuple()), 0)
self.statusbar.SetStatusText("Current Pts: %s" %
len(self.sketch.curLine), 1)
self.statusbar.SetStatusText("Line Count: %s" %
len(self.sketch.lines), 2)
event.Skip()
def menuData(self):
return [("&File", (
("&New", "New Sketch file", self.OnNew),
("&Open", "Open sketch file", self.OnOpen),
("&Save", "Save sketch file", self.OnSave),
("", "", ""),
("&Color", (
("&Black", "", self.OnColor, wx.ITEM_RADIO),
("&Red", "", self.OnColor, wx.ITEM_RADIO),
("&Green", "", self.OnColor, wx.ITEM_RADIO),
("&Blue", "", self.OnColor, wx.ITEM_RADIO),
("&Other...", "", self.OnOtherColor, wx.ITEM_RADIO))),
("", "", ""),
("About...", "Show about window", self.OnAbout),
("&Quit", "Quit", self.OnCloseWindow)))]
def createMenuBar(self):
menuBar = wx.MenuBar()
for eachMenuData in self.menuData():
menuLabel = eachMenuData[0]
menuItems = eachMenuData[1]
menuBar.Append(self.createMenu(menuItems), menuLabel)
self.SetMenuBar(menuBar)
def createMenu(self, menuData):
menu = wx.Menu()
for eachItem in menuData:
if len(eachItem) == 2:
label = eachItem[0]
subMenu = self.createMenu(eachItem[1])
menu.AppendMenu(wx.NewId(), label, subMenu)
else:
self.createMenuItem(menu, *eachItem)
return menu
def createMenuItem(self, menu, label, status, handler, kind=wx.ITEM_NORMAL):
if not label:
menu.AppendSeparator()
return
menuItem = menu.Append(-1, label, status, kind)
self.Bind(wx.EVT_MENU, handler, menuItem)
def createToolBar(self):
toolbar = self.CreateToolBar()
for each in self.toolbarData():
self.createSimpleTool(toolbar, *each)
toolbar.AddSeparator()
for each in self.toolbarColorData():
self.createColorTool(toolbar, each)
toolbar.Realize()
def createSimpleTool(self, toolbar, label, filename, help, handler):
if not label:
toolbar.AddSeparator()
return
bmp = wx.Image(filename, wx.BITMAP_TYPE_BMP).ConvertToBitmap()
tool = toolbar.AddSimpleTool(-1, bmp, label, help)
self.Bind(wx.EVT_MENU, handler, tool)
def toolbarData(self):
return (("New", "new.bmp", "Create new sketch", self.OnNew),
("", "", "", ""),
("Open", "open.bmp", "Open existing sketch", self.OnOpen),
("Save", "save.bmp", "Save existing sketch", self.OnSave))
def createColorTool(self, toolbar, color):
bmp = self.MakeBitmap(color)
tool = toolbar.AddRadioTool(-1, bmp, shortHelp=color)
self.Bind(wx.EVT_MENU, self.OnColor, tool)
def MakeBitmap(self, color):
bmp = wx.EmptyBitmap(16, 15)
dc = wx.MemoryDC()
dc.SelectObject(bmp)
dc.SetBackground(wx.Brush(color))
dc.Clear()
dc.SelectObject(wx.NullBitmap)
return bmp
def toolbarColorData(self):
return ("Black", "Red", "Green", "Blue")
def OnNew(self, event): pass
def OnColor(self, event):
menubar = self.GetMenuBar()
itemId = event.GetId()
item = menubar.FindItemById(itemId)
if not item:
toolbar = self.GetToolBar()
item = toolbar.FindById(itemId)
color = item.GetShortHelp()
else:
color = item.GetLabel()
self.sketch.SetColor(color)
def OnCloseWindow(self, event):
self.Destroy()
def SaveFile(self):
if self.filename:
data = self.sketch.GetLinesData()
f = open(self.filename, 'w')
cPickle.dump(data, f)
f.close()
def ReadFile(self):
if self.filename:
try:
f = open(self.filename, 'r')
data = cPickle.load(f)
f.close()
self.sketch.SetLinesData(data)
except cPickle.UnpicklingError:
wx.MessageBox("%s is not a sketch file." % self.filename,
"oops!", style=wx.OK|wx.ICON_EXCLAMATION)
wildcard = "Sketch files (*.sketch)|*.sketch|All files (*.*)|*.*"
def OnOpen(self, event):
dlg = wx.FileDialog(self, "Open sketch file...", os.getcwd(),
style=wx.OPEN, wildcard=self.wildcard)
if dlg.ShowModal() == wx.ID_OK:
self.filename = dlg.GetPath()
self.ReadFile()
self.SetTitle(self.title + ' -- ' + self.filename)
dlg.Destroy()
def OnSave(self, event):
if not self.filename:
self.OnSaveAs(event)
else:
self.SaveFile()
def OnSaveAs(self, event):
dlg = wx.FileDialog(self, "Save sketch as...", os.getcwd(),
style=wx.SAVE | wx.OVERWRITE_PROMPT,
wildcard = self.wildcard)
if dlg.ShowModal() == wx.ID_OK:
filename = dlg.GetPath()
if not os.path.splitext(filename)[1]:
filename = filename + '.sketch'
self.filename = filename
self.SaveFile()
self.SetTitle(self.title + ' -- ' + self.filename)
dlg.Destroy()
def OnOtherColor(self, event):
dlg = wx.ColourDialog(frame)
dlg.GetColourData().SetChooseFull(True)
if dlg.ShowModal() == wx.ID_OK:
self.sketch.SetColor(dlg.GetColourData().GetColour())
dlg.Destroy()
def OnAbout(self, event):
dlg = SketchAbout(self)
dlg.ShowModal()
dlg.Destroy()
class SketchAbout(wx.Dialog):
text = '''
<html>
<body bgcolor="#ACAA60">
<center><table bgcolor="#455481" width="100%" cellspacing="0"
cellpadding="0" border="1">
<tr>
<td align="center"><h1>Sketch!</h1></td>
</tr>
</table>
</center>
<p><b>Sketch</b> is a demonstration program for <b>wxPython In Action</b>
Chapter 7. It is based on the SuperDoodle demo included with wxPython,
available at http://www.wxpython.org/
</p>
<p><b>SuperDoodle</b> and <b>wxPython</b> are brought to you by
<b>Robin Dunn</b> and <b>Total Control Software</b>, Copyright
&copy; 1997-2006.</p>
</body>
</html>
'''
def __init__(self, parent):
wx.Dialog.__init__(self, parent, -1, 'About Sketch',
size=(440, 400) )
html = wx.html.HtmlWindow(self)
html.SetPage(self.text)
button = wx.Button(self, wx.ID_OK, "Okay")
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(html, 1, wx.EXPAND|wx.ALL, 5)
sizer.Add(button, 0, wx.ALIGN_CENTER|wx.ALL, 5)
self.SetSizer(sizer)
self.Layout()
class ControlPanel(wx.Panel):
BMP_SIZE = 16
BMP_BORDER = 3
NUM_COLS = 4
SPACING = 4
colorList = ('Black', 'Yellow', 'Red', 'Green', 'Blue', 'Purple',
'Brown', 'Aquamarine', 'Forest Green', 'Light Blue',
'Goldenrod', 'Cyan', 'Orange', 'Navy', 'Dark Grey',
'Light Grey')
maxThickness = 16
def __init__(self, parent, ID, sketch):
wx.Panel.__init__(self, parent, ID, style=wx.RAISED_BORDER)
self.sketch = sketch
buttonSize = (self.BMP_SIZE + 2 * self.BMP_BORDER,
self.BMP_SIZE + 2 * self.BMP_BORDER)
colorGrid = self.createColorGrid(parent, buttonSize)
thicknessGrid = self.createThicknessGrid(buttonSize)
self.layout(colorGrid, thicknessGrid)
def createColorGrid(self, parent, buttonSize):
self.colorMap = {}
self.colorButtons = {}
colorGrid = wx.GridSizer(cols=self.NUM_COLS, hgap=2, vgap=2)
for eachColor in self.colorList:
bmp = parent.MakeBitmap(eachColor)
b = buttons.GenBitmapToggleButton(self, -1, bmp, size=buttonSize)
b.SetBezelWidth(1)
b.SetUseFocusIndicator(False)
self.Bind(wx.EVT_BUTTON, self.OnSetColour, b)
colorGrid.Add(b, 0)
self.colorMap[b.GetId()] = eachColor
self.colorButtons[eachColor] = b
self.colorButtons[self.colorList[0]].SetToggle(True)
return colorGrid
def createThicknessGrid(self, buttonSize):
self.thicknessIdMap = {}
self.thicknessButtons = {}
thicknessGrid = wx.GridSizer(cols=self.NUM_COLS, hgap=2, vgap=2)
for x in range(1, self.maxThickness + 1):
b = buttons.GenToggleButton(self, -1, str(x), size=buttonSize)
b.SetBezelWidth(1)
b.SetUseFocusIndicator(False)
self.Bind(wx.EVT_BUTTON, self.OnSetThickness, b)
thicknessGrid.Add(b, 0)
self.thicknessIdMap[b.GetId()] = x
self.thicknessButtons[x] = b
self.thicknessButtons[1].SetToggle(True)
return thicknessGrid
def layout(self, colorGrid, thicknessGrid):
box = wx.BoxSizer(wx.VERTICAL)
box.Add(colorGrid, 0, wx.ALL, self.SPACING)
box.Add(thicknessGrid, 0, wx.ALL, self.SPACING)
self.SetSizer(box)
box.Fit(self)
def OnSetColour(self, event):
color = self.colorMap[event.GetId()]
if color != self.sketch.color:
self.colorButtons[self.sketch.color].SetToggle(False)
self.sketch.SetColor(color)
def OnSetThickness(self, event):
thickness = self.thicknessIdMap[event.GetId()]
if thickness != self.sketch.thickness:
self.thicknessButtons[self.sketch.thickness].SetToggle(False)
self.sketch.SetThickness(thickness)
class SketchApp(wx.App):
def OnInit(self):
bmp = wx.Image("splash.png").ConvertToBitmap()
wx.SplashScreen(bmp, wx.SPLASH_CENTRE_ON_SCREEN | wx.SPLASH_TIMEOUT,
1000, None, -1)
wx.Yield()
frame = SketchFrame(None)
frame.Show(True)
self.SetTopWindow(frame)
return True
if __name__ == '__main__':
app = SketchApp(False)
app.MainLoop()