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import unittest
from unittests import wtc
import wx
import wx.xrc as xrc
import os
xrcFile = os.path.join(os.path.dirname(__file__), 'xrctest.xrc')
#---------------------------------------------------------------------------
class xrc_Tests(wtc.WidgetTestCase):
def checkXmlRes(self, xmlres):
assert isinstance(xmlres, xrc.XmlResource)
f = xmlres.LoadFrame(self.frame, 'MainFrame')
self.assertNotEqual(f, None)
f.Show()
self.myYield()
id = xrc.XRCID('MainPanel')
self.assertTrue(id != -1)
self.assertTrue(isinstance(id, int))
ctrl = xrc.XRCCTRL(f, 'TitleText')
self.assertTrue(ctrl is not None)
self.assertTrue(isinstance(ctrl, wx.StaticText))
def test_xrc1(self):
xmlres = xrc.XmlResource(xrcFile)
self.checkXmlRes(xmlres)
def test_xrc2(self):
xmlres = xrc.XmlResource()
xmlres.LoadFile(xrcFile)
self.checkXmlRes(xmlres)
def test_xrc3(self):
xmlres = xrc.XmlResource()
with open(xrcFile, 'rb') as f:
data = f.read()
xmlres.LoadFromBuffer(data)
self.checkXmlRes(xmlres)
def test_xrc4(self):
xmlres = xrc.XmlResource(xrcFile)
p = xmlres.LoadObjectRecursively(self.frame, 'MainPanel', 'wxPanel')
self.assertNotEqual(p, None)
self.frame.SendSizeEvent()
self.myYield()
#---------------------------------------------------------------------------
# Tests for custom handlers
# This test does not allow for 2-phase create or creating the instance of
# the resource before filling it with widgets or etc. See also the next
# test and try to keep the two of them in sync as much as possible.
def test_xrc5(self):
resource = b'''<?xml version="1.0"?>
<resource>
<object class="wxFrame" name="MainFrame">
<size>400,250</size>
<title>This is a test</title>
<!-- Notice that the class is NOT a standard wx class -->
<object class="MyCustomPanel" name="MyPanel">
<size>200,100</size>
<object class="wxStaticText" name="label1">
<label>This panel is a custom class derived from wx.Panel,\nand is loaded by a custom XmlResourceHandler.</label>
<pos>10,10</pos>
</object>
</object>
</object>
</resource>'''
# this is the class that will be created for the resource
class MyCustomPanel(wx.Panel):
def __init__(self, parent, id, pos, size, style, name):
wx.Panel.__init__(self, parent, id, pos, size, style, name)
# This is the little bit of customization that we do for this
# silly example.
self.Bind(wx.EVT_SIZE, self.OnSize)
t = wx.StaticText(self, -1, "MyCustomPanel")
f = t.GetFont()
f.SetWeight(wx.BOLD)
f.SetPointSize(f.GetPointSize()+2)
t.SetFont(f)
self.t = t
def OnSize(self, evt):
sz = self.GetSize()
w, h = self.t.GetTextExtent(self.t.GetLabel())
self.t.SetPosition(((sz.width-w)//2, (sz.height-h)//2))
# this is the handler class that will create the resource item
class MyCustomPanelXmlHandler(xrc.XmlResourceHandler):
def __init__(self):
xrc.XmlResourceHandler.__init__(self)
# Specify the styles recognized by objects of this type
self.AddStyle("wxTAB_TRAVERSAL", wx.TAB_TRAVERSAL)
self.AddStyle("wxWS_EX_VALIDATE_RECURSIVELY", wx.WS_EX_VALIDATE_RECURSIVELY)
self.AddStyle("wxCLIP_CHILDREN", wx.CLIP_CHILDREN)
self.AddWindowStyles()
def CanHandle(self, node):
return self.IsOfClass(node, "MyCustomPanel")
def DoCreateResource(self):
# Ensure that the instance hasn't been created yet (since
# we're not using 2-phase create)
assert self.GetInstance() is None
# Now create the object
panel = MyCustomPanel(self.GetParentAsWindow(),
self.GetID(),
self.GetPosition(),
self.GetSize(),
self.GetStyle("style", wx.TAB_TRAVERSAL),
self.GetName()
)
self.SetupWindow(panel)
self.CreateChildren(panel)
return panel
# now load it
xmlres = xrc.XmlResource()
xmlres.InsertHandler( MyCustomPanelXmlHandler() )
success = xmlres.LoadFromBuffer(resource)
f = xmlres.LoadFrame(self.frame, 'MainFrame')
self.assertNotEqual(f, None)
f.Show()
self.myYield()
panel = xrc.XRCCTRL(f, 'MyPanel')
self.assertNotEqual(panel, None)
self.assertTrue(isinstance(panel, MyCustomPanel))
# This test shows how to do basically the same as above while still
# allowing the instance to be created before loading the content.
def test_xrc6(self):
resource = b'''<?xml version="1.0"?>
<resource>
<object class="wxFrame" name="MainFrame">
<size>400,250</size>
<title>This is a test</title>
<!-- Notice that the class is NOT a standard wx class -->
<object class="MyCustomPanel" name="MyPanel">
<size>200,100</size>
<object class="wxStaticText" name="label1">
<label>This panel is a custom class derived from wx.Panel,\nand is loaded by a custom XmlResourceHandler.</label>
<pos>10,10</pos>
</object>
</object>
</object>
</resource>'''
# this is the class that will be created for the resource
class MyCustomPanel(wx.Panel):
def __init__(self):
wx.Panel.__init__(self) # create only the instance, not the widget
def Create(self, parent, id, pos, size, style, name):
wx.Panel.Create(self, parent, id, pos, size, style, name)
self.Bind(wx.EVT_SIZE, self.OnSize)
t = wx.StaticText(self, -1, "MyCustomPanel")
f = t.GetFont()
f.SetWeight(wx.BOLD)
f.SetPointSize(f.GetPointSize()+2)
t.SetFont(f)
self.t = t
def OnSize(self, evt):
sz = self.GetSize()
w, h = self.t.GetTextExtent(self.t.GetLabel())
self.t.SetPosition(((sz.width-w)//2, (sz.height-h)//2))
# this is the handler class that will create the resource item
class MyCustomPanelXmlHandler(xrc.XmlResourceHandler):
def __init__(self):
xrc.XmlResourceHandler.__init__(self)
# Specify the styles recognized by objects of this type
self.AddStyle("wxTAB_TRAVERSAL", wx.TAB_TRAVERSAL)
self.AddStyle("wxWS_EX_VALIDATE_RECURSIVELY", wx.WS_EX_VALIDATE_RECURSIVELY)
self.AddStyle("wxCLIP_CHILDREN", wx.CLIP_CHILDREN)
self.AddWindowStyles()
def CanHandle(self, node):
return self.IsOfClass(node, "MyCustomPanel")
def DoCreateResource(self):
panel = self.GetInstance()
if panel is None:
# if not, then create the instance (but not the window)
panel = MyCustomPanel()
# Now create the UI object
panel.Create(self.GetParentAsWindow(),
self.GetID(),
self.GetPosition(),
self.GetSize(),
self.GetStyle("style", wx.TAB_TRAVERSAL),
self.GetName()
)
self.SetupWindow(panel)
self.CreateChildren(panel)
return panel
# now load it
xmlres = xrc.XmlResource()
xmlres.InsertHandler( MyCustomPanelXmlHandler() )
success = xmlres.LoadFromBuffer(resource)
f = xmlres.LoadFrame(self.frame, 'MainFrame')
self.assertNotEqual(f, None)
f.Show()
self.myYield()
panel = xrc.XRCCTRL(f, 'MyPanel')
self.assertNotEqual(panel, None)
self.assertTrue(isinstance(panel, MyCustomPanel))
#---------------------------------------------------------------------------
# Tests for the Subclass Factory
def test_xrc7(self):
resource = b'''<?xml version="1.0"?>
<resource>
<!-- Notice that the class IS a standard wx class and that a subclass is specified -->
<object class="wxPanel" name="MyPanel" subclass="unittests.xrcfactorytest.MyCustomPanel">
<size>200,100</size>
<object class="wxStaticText" name="label1">
<label>This panel is a custom class derived from wx.Panel,\nand is loaded by the Python SubclassFactory.</label>
<pos>10,10</pos>
</object>
</object>
</resource>'''
# now load it
xmlres = xrc.XmlResource()
success = xmlres.LoadFromBuffer(resource)
panel = xmlres.LoadPanel(self.frame, "MyPanel")
self.frame.SendSizeEvent()
self.myYield()
self.assertNotEqual(panel, None)
from unittests import xrcfactorytest
self.assertTrue(isinstance(panel, xrcfactorytest.MyCustomPanel))
#---------------------------------------------------------------------------
if __name__ == '__main__':
unittest.main()
|
