density_panel.py @ 6675651

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload

Last change on this file since 6675651 was 5777106, checked in by Mathieu Doucet <doucetm@…>, 11 years ago
Moving things around. Will definitely not build.
Property mode set to `100644`
File size: 14.8 KB

Rev	Line
[9520702]	1	"""
[0efca36]	2	This module provide GUI for the mass density calculator
[9520702]	3
	4	"""
	5	import wx
	6	import sys
	7	from sans.guiframe.panel_base import PanelBase
	8	from wx.lib.scrolledpanel import ScrolledPanel
	9	from sans.guiframe.utils import check_float
	10	from sans.guiframe.events import StatusEvent
	11	from periodictable import formula as Formula
[d0923a3]	12	from sans.perspectives.calculator import calculator_widgets as widget
[9520702]	13
	14	AVOGADRO = 6.02214129e23
	15	_INPUTS = ['Mass Density', 'Molar Volume']
	16	_UNITS = ['g/cm^(3) ', 'cm^(3)/mol ']
[0efca36]	17	#Density panel size
[9520702]	18	if sys.platform.count("win32") > 0:
	19	_STATICBOX_WIDTH = 410
	20	_BOX_WIDTH = 200
	21	PANEL_SIZE = 440
	22	FONT_VARIANT = 0
	23	else:
	24	_STATICBOX_WIDTH = 430
	25	_BOX_WIDTH = 200
	26	PANEL_SIZE = 460
	27	FONT_VARIANT = 1
	28
	29	class DensityPanel(ScrolledPanel, PanelBase):
	30	"""
	31	Provides the mass density calculator GUI.
	32	"""
	33	## Internal nickname for the window, used by the AUI manager
	34	window_name = "Mass Density Calculator"
	35	## Name to appear on the window title bar
	36	window_caption = "Mass Density Calculator"
	37	## Flag to tell the AUI manager to put this panel in the center pane
	38	CENTER_PANE = True
	39
	40	def __init__(self, parent, base=None, args, *kwds):
	41	"""
	42	"""
	43	ScrolledPanel.__init__(self, parent, args, *kwds)
	44	PanelBase.__init__(self)
	45	self.SetupScrolling()
	46	#Font size
	47	self.SetWindowVariant(variant=FONT_VARIANT)
	48	# Object that receive status event
	49	self.base = base
	50	# chemeical formula, string
	51	self.compound = ''
	52	# value of the density/volume, float
	53	self.input = None
	54	# text controls
	55	self.compound_ctl = None
	56	self.input_ctl = None
	57	self.molar_mass_ctl = None
	58	self.output_ctl = None
	59	self.ctr_color = self.GetBackgroundColour()
	60	# button
	61	self.button_calculate = None
	62	# list
	63	self._input_list = _INPUTS
	64	self._input = self._input_list[1]
	65	self._output = self._input_list[0]
	66	self._unit_list = _UNITS
	67	#Draw the panel
	68	self._do_layout()
	69	self.SetAutoLayout(True)
	70	self.Layout()
	71
	72	def _do_layout(self):
	73	"""
	74	Draw window content
	75	"""
	76	# units
	77	unit_density = self._unit_list[0]
	78	unit_volume = self._unit_list[1]
	79
	80	# sizers
	81	sizer_input = wx.GridBagSizer(5, 5)
	82	sizer_output = wx.GridBagSizer(5, 5)
	83	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
	84	self.sizer1 = wx.BoxSizer(wx.HORIZONTAL)
	85	self.sizer2 = wx.BoxSizer(wx.HORIZONTAL)
	86	sizer3 = wx.BoxSizer(wx.HORIZONTAL)
	87	vbox = wx.BoxSizer(wx.VERTICAL)
	88
	89	# inputs
[992b594]	90	inputbox = wx.StaticBox(self, -1, "Inputs")
[9520702]	91	boxsizer1 = wx.StaticBoxSizer(inputbox, wx.VERTICAL)
	92	boxsizer1.SetMinSize((_STATICBOX_WIDTH, -1))
	93	compound_txt = wx.StaticText(self, -1, 'Molecular Formula ')
	94	self.compound_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH, -1))
	95	self.compound_eg1 = wx.StaticText(self, -1, ' e.g., H2O')
	96	self.compound_eg2 = wx.StaticText(self, -1, 'e.g., D2O')
	97	self.input_cb = wx.ComboBox(self, -1, style=wx.CB_READONLY)
	98	wx.EVT_COMBOBOX(self.input_cb, -1, self.on_select_input)
	99	hint_input_name_txt = 'Mass or volume.'
	100	self.input_cb.SetToolTipString(hint_input_name_txt)
	101	unit_density1 = " " + unit_density
	102	self.input_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH, -1))
	103	self.unit_input_density = wx.StaticText(self, -1, unit_density1)
	104	self.unit_input_volume = wx.StaticText(self, -1, unit_volume)
	105	iy = 0
	106	ix = 0
	107	sizer_input.Add(compound_txt, (iy, ix), (1, 1),
	108	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
	109	ix += 1
	110	sizer_input.Add(self.compound_ctl, (iy, ix), (1, 1),
	111	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	112	ix += 1
	113	sizer_input.Add(self.compound_eg1, (iy, ix), (1, 1),
	114	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	115
	116	ix += 1
	117	sizer_input.Add(self.compound_eg2, (iy, ix), (1, 1),
	118	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	119	self.compound_eg1.Show(False)
	120	iy += 1
	121	ix = 0
	122	sizer_input.Add(self.input_cb, (iy, ix), (1, 1),
	123	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
	124	ix += 1
	125	sizer_input.Add(self.input_ctl, (iy, ix), (1, 1),
	126	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	127	ix +=1
	128	sizer_input.Add(self.unit_input_density,(iy, ix), (1, 1),
	129	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	130	ix +=1
	131	self.unit_input_density.Show(False)
	132	sizer_input.Add(self.unit_input_volume,(iy, ix), (1, 1),
	133	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	134	boxsizer1.Add(sizer_input)
	135	self.sizer1.Add(boxsizer1, 0, wx.EXPAND \| wx.ALL, 10)
	136
	137	# outputs
[992b594]	138	outputbox = wx.StaticBox(self, -1, "Outputs")
[9520702]	139	boxsizer2 = wx.StaticBoxSizer(outputbox, wx.VERTICAL)
	140	boxsizer2.SetMinSize((_STATICBOX_WIDTH, -1))
	141
	142	molar_mass_txt = wx.StaticText(self, -1, 'Molar Mass ')
	143	self.molar_mass_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH, -1))
	144	self.molar_mass_ctl.SetEditable(False)
	145	self.molar_mass_ctl.SetBackgroundColour(self.ctr_color)
	146	self.molar_mass_unit1 = wx.StaticText(self, -1, ' g/mol')
	147	self.molar_mass_unit2 = wx.StaticText(self, -1, 'g/mol')
	148
	149	self.output_cb = wx.ComboBox(self, -1, style=wx.CB_READONLY)
	150	wx.EVT_COMBOBOX(self.output_cb, -1, self.on_select_output)
	151	hint_output_name_txt = 'Mass or volume.'
	152	self.output_cb.SetToolTipString(hint_output_name_txt)
	153	list = []
	154	for item in self._input_list:
	155	name = str(item)
	156	list.append(name)
	157	list.sort()
	158	for idx in range(len(list)):
	159	self.input_cb.Append(list[idx],idx)
	160	self.output_cb.Append(list[idx],idx)
	161	self.input_cb.SetStringSelection("Molar Volume")
	162	self.output_cb.SetStringSelection("Mass Density")
	163	unit_volume = " " + unit_volume
	164	self.output_ctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH, -1))
	165	self.output_ctl.SetEditable(False)
	166	self.output_ctl.SetBackgroundColour(self.ctr_color)
	167	self.unit_output_density = wx.StaticText(self, -1, unit_density)
	168	self.unit_output_volume = wx.StaticText(self, -1, unit_volume)
	169	iy = 0
	170	ix = 0
	171	sizer_output.Add(molar_mass_txt, (iy, ix), (1, 1),
	172	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
	173	ix += 1
	174	sizer_output.Add(self.molar_mass_ctl, (iy, ix), (1, 1),
	175	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	176	ix += 1
	177	sizer_output.Add(self.molar_mass_unit1, (iy, ix), (1, 1),
	178	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	179	ix += 1
	180	sizer_output.Add(self.molar_mass_unit2, (iy, ix), (1, 1),
	181	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	182	self.molar_mass_unit1.Show(False)
	183	iy += 1
	184	ix = 0
	185	sizer_output.Add(self.output_cb, (iy, ix), (1, 1),
	186	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
	187	ix += 1
	188	sizer_output.Add(self.output_ctl, (iy, ix), (1, 1),
	189	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	190	ix +=1
	191	sizer_output.Add(self.unit_output_volume,
	192	(iy, ix), (1, 1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	193	ix += 1
	194	sizer_output.Add(self.unit_output_density,
	195	(iy, ix), (1, 1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	196
	197	self.unit_output_volume.Show(False)
	198	boxsizer2.Add(sizer_output)
	199	self.sizer2.Add(boxsizer2, 0, wx.EXPAND\|wx.ALL, 10)
	200
	201	# buttons
	202	id = wx.NewId()
	203	self.button_calculate = wx.Button(self, id, "Calculate")
	204	self.button_calculate.SetToolTipString("Calculate.")
	205	self.Bind(wx.EVT_BUTTON, self.calculate, id=id)
	206
	207	sizer_button.Add((250, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	208	sizer_button.Add(self.button_calculate, 0,
	209	wx.RIGHT\|wx.ADJUST_MINSIZE, 20)
	210	sizer3.Add(sizer_button)
	211
	212	# layout
	213	vbox.Add(self.sizer1)
	214	vbox.Add(self.sizer2)
	215	vbox.Add(sizer3)
	216	vbox.Fit(self)
	217	self.SetSizer(vbox)
	218
	219	def on_select_input(self, event):
	220	"""
	221	On selection of input combobox,
	222	update units and output combobox
	223	"""
	224	if event == None:
	225	return
	226	event.Skip()
	227
	228	combo = event.GetEventObject()
	229	self._input = combo.GetValue()
	230	for name in self._input_list:
	231	if self._input != name:
	232	self._output = name
	233	break
	234
	235	self.set_values()
	236
	237	def on_select_output(self, event):
	238	"""
	239	On selection of output combobox,
	240	update units and input combobox
	241	"""
	242	if event == None:
	243	return
	244	event.Skip()
	245
	246	combo = event.GetEventObject()
	247	self._output = combo.GetValue()
	248	for name in self._input_list:
	249	if self._output != name:
	250	self._input = name
	251	break
	252
	253	self.set_values()
	254
	255	def set_values(self):
	256	"""
	257	Sets units and combobox values
	258	"""
	259	input, output = self.get_input()
	260	if input is None:
	261	return
	262	# input
	263	self.input_cb.SetValue(str(input))
	264	# output
	265	self.output_cb.SetValue(str(output))
	266	# unit
	267	if self._input_list.index(input) == 0:
	268	self.molar_mass_unit1.Show(True)
	269	self.molar_mass_unit2.Show(False)
	270	self.compound_eg1.Show(True)
	271	self.compound_eg2.Show(False)
	272	self.unit_input_density.Show(True)
	273	self.unit_output_volume.Show(True)
	274	self.unit_input_volume.Show(False)
	275	self.unit_output_density.Show(False)
	276	else:
	277	self.molar_mass_unit1.Show(False)
	278	self.molar_mass_unit2.Show(True)
	279	self.compound_eg1.Show(False)
	280	self.compound_eg2.Show(True)
	281	self.unit_input_volume.Show(True)
	282	self.unit_output_density.Show(True)
	283	self.unit_input_density.Show(False)
	284	self.unit_output_volume.Show(False)
	285	# layout
	286	self.clear_outputs()
	287	self.sizer1.Layout()
	288	self.sizer2.Layout()
	289
	290	def get_input(self):
	291	"""
	292	Return the current input and output combobox values
	293	"""
	294	return self._input, self._output
	295
	296	def check_inputs(self):
	297	"""
	298	Check validity user inputs
	299	"""
	300	flag = True
	301	msg = ""
	302	if check_float(self.input_ctl):
	303	self.input = float(self.input_ctl.GetValue())
	304	else:
	305	flag = False
	306	input_type = str(self.input_cb.GetValue())
	307	msg += "Error for %s value :expect float"% input_type
	308
	309	self.compound = self.compound_ctl.GetValue().lstrip().rstrip()
	310	if self.compound != "":
	311	try :
	312	Formula(self.compound)
	313	self.compound_ctl.SetBackgroundColour(wx.WHITE)
	314	self.compound_ctl.Refresh()
	315	except:
	316	self.compound_ctl.SetBackgroundColour("pink")
	317	self.compound_ctl.Refresh()
	318	flag = False
	319	msg += "Enter correct formula"
	320	else:
	321	self.compound_ctl.SetBackgroundColour("pink")
	322	self.compound_ctl.Refresh()
	323	flag = False
	324	msg += "Enter Formula"
	325	return flag, msg
	326
	327
	328	def calculate(self, event):
	329	"""
	330	Calculate the mass Density/molar Volume of the molecules
	331	"""
	332	self.clear_outputs()
	333	try:
	334	#Check validity user inputs
	335	flag, msg = self.check_inputs()
	336	if self.base is not None and msg.lstrip().rstrip() != "":
	337	msg = "Density/Volume Calculator: %s" % str(msg)
	338	wx.PostEvent(self.base, StatusEvent(status=msg))
	339	if not flag:
	340	return
	341	#get ready to compute
	342	mol_formula = Formula(self.compound)
	343	molar_mass = float(mol_formula.molecular_mass) * AVOGADRO
	344	output = self._format_number(molar_mass / self.input)
	345	self.molar_mass_ctl.SetValue(str(self._format_number(molar_mass)))
	346	self.output_ctl.SetValue(str(output))
	347	except:
	348	if self.base is not None:
	349	msg = "Density/Volume Calculator: %s"%(sys.exc_value)
	350	wx.PostEvent(self.base, StatusEvent(status=msg))
	351	if event is not None:
	352	event.Skip()
	353
	354	def clear_outputs(self):
	355	"""
	356	Clear the outputs textctrl
	357	"""
	358	self.molar_mass_ctl.SetValue("")
	359	self.output_ctl.SetValue("")
	360
	361	def _format_number(self, value=None):
	362	"""
	363	Return a float in a standardized, human-readable formatted string
	364	"""
	365	try:
	366	value = float(value)
	367	except:
	368	output = ''
	369	return output
	370
	371	output = "%-12.5f" % value
	372	return output.lstrip().rstrip()
	373
[d0923a3]	374	class DensityWindow(widget.CHILD_FRAME):
[9520702]	375	"""
	376	"""
	377	def __init__(self, parent=None, title="Density/Volume Calculator",
[ae84427]	378	base=None, manager=None,
	379	size=(PANEL_SIZE, PANEL_SIZE/1.7), args, *kwds):
[9520702]	380	"""
	381	"""
	382	kwds['title'] = title
	383	kwds['size'] = size
[d0923a3]	384	widget.CHILD_FRAME.__init__(self, parent, args, *kwds)
[9520702]	385	"""
	386	"""
[ae84427]	387	self.manager = manager
[9520702]	388	self.panel = DensityPanel(self, base=base)
[ae84427]	389	self.Bind(wx.EVT_CLOSE, self.on_close)
[f234d3c]	390	self.SetPosition((25, 160))
[9520702]	391	self.Show(True)
[ae84427]	392
	393	def on_close(self, event):
	394	"""
	395	On close event
	396	"""
	397	if self.manager != None:
	398	self.manager.cal_md_frame = None
	399	self.Destroy()
	400
[9520702]	401
	402	class ViewApp(wx.App):
	403	"""
	404	"""
	405	def OnInit(self):
	406	"""
	407	"""
[62af27a9]	408	widget.CHILD_FRAME = wx.Frame
[9520702]	409	frame = DensityWindow(None, title="Density/Volume Calculator")
	410	frame.Show(True)
	411	self.SetTopWindow(frame)
	412	return True
	413
	414
	415	if __name__ == "__main__":
	416	app = ViewApp(0)
	417	app.MainLoop()

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source: sasview/src/sans/perspectives/calculator/density_panel.py @ 6675651

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