class MainFrame(wx.Frame):
#主框架类
def __init__( self, parent=None, title=u'简单Maven', pos=wx.DefaultPosition, \
size=(800,600), style=wx.DEFAULT_FRAME_STYLE^wx.RESIZE_BORDER, name='mainFrame' ):
wx.Frame.__init__( self, parent=parent, title=title, pos=pos, size=size, \
style=style, name=name )
self.SetBackgroundColour("gray")
self.createStatusBar()
self.createMenuBar()
self.tree = wx.TreeCtrl(self,
id=wx.NewId(),
size=(300, -1),
style=wx.TR_HAS_BUTTONS | wx.TR_LINES_AT_ROOT)
self.tree.SetBackgroundColour("light gray")
self.html = wx.html.HtmlWindow(self)
self.html.SetHTMLBackgroundColour("medium goldenrod")
self.log = EditWindow(self)
#self.log.SetReadOnly(True)
self.log.setDisplayLineNumbers(True)
handler = MyLogHandler("root", control=self.log)
logging.getLogger().setLevel(logging.INFO)
logging.getLogger().addHandler(handler)
vbox = wx.BoxSizer(wx.VERTICAL)
box = wx.BoxSizer(wx.HORIZONTAL)
box.Add(self.tree, -1, wx.EXPAND | wx.RIGHT, 3)
box.Add(self.html, 2, wx.EXPAND, 3)
vbox.Add(box, 5, wx.EXPAND | wx.ALL, 3)
vbox.Add(self.log, 1, wx.EXPAND | wx.RIGHT | wx.LEFT | wx.BOTTOM, 3)
self.SetSizer(vbox)
#创建SimpleMaven对象，加载TreeData.xml文件
self.simpleMaven = SimpleMaven()
wx.CallAfter(self.DataInit, controls=self.tree)
self.Bind(wx.EVT_TREE_ITEM_RIGHT_CLICK, self.OnTreeRightClick,
self.tree)
self.Bind(wx.EVT_TREE_SEL_CHANGED, self.OnTreeChanged, self.tree)
def createStatusBar(self):
#创建状态栏
statusBar = self.CreateStatusBar(3)
statusBar.SetStatusWidths([-1, -2, -3])
statusBar.SetStatusText(__version__, 0)
statusBar.SetStatusText(__file__, 1)
def createMenuBar(self):
menuBar = wx.MenuBar()
#工具菜单
menuTool = wx.Menu()
edit_tree_data = menuTool.Append(
wx.MenuItem(menuTool,
id=wx.NewId(),
text="文件预览",
helpString="查看TreeData.xml文件"))
self.Bind(wx.EVT_MENU, self.OnEditTreeData, edit_tree_data)
menuBar.Append(menuTool, "&工具")
self.SetMenuBar(menuBar)
#事件处理
def OnTreeChanged(self, event):
if event.GetItem() == event.GetEventObject().GetRootItem():
with open("README.md") as fp:
self.html.SetPage(markdown.markdown(fp.read().decode("UTF-8")))
else:
self.html.SetPage(event.GetEventObject().GetItemData(
event.GetItem()))
logging.info(event.GetEventObject().GetItemData(event.GetItem()))
def OnEditTreeData(self, event):
parentSize = self.GetClientSize()
edit = EditDialog(self,
size=(parentSize[0] * 0.8, parentSize[1] * 0.8),
title="文件预览")
edit.SetReadOnly()
edit.CenterOnParent()
ret = edit.ShowModal()
if ret == wx.ID_CANCEL:
edit.Destroy()
def DataInit(self, controls=None):
if controls is not None:
if isinstance(controls, wx.TreeCtrl):
self.simpleMaven.parseTree(controls, xmlFile=TREE_DATA_XML)
with open("README.md") as fp:
txt = markdown.markdown(fp.read().decode("UTF-8"))
self.html.SetPage(txt)
def OnTreeRightClick(self, event):
if not hasattr(self, "addNodeId"):
self.addNodeId = wx.NewId()
self.removeNodeId = wx.NewId()
self.changeNodeId = wx.NewId()
self.Bind(wx.EVT_MENU, self.OnAddNode, id=self.addNodeId)
self.Bind(wx.EVT_MENU, self.OnRemoveNode, id=self.removeNodeId)
self.Bind(wx.EVT_MENU, self.OnChangeNode, id=self.changeNodeId)
menu = wx.Menu()
menu.Append(wx.MenuItem(menu, id=self.addNodeId, text="添加子节点"))
menu.Append(wx.MenuItem(menu, id=self.removeNodeId, text="删除子节点"))
menu.Append(wx.MenuItem(menu, id=self.changeNodeId, text="修改字节点"))
self.PopupMenu(menu, event.GetPoint())
menu.Destroy()
def OnAddNode(self, event):
print self.tree.GetSelection()
def OnRemoveNode(self, event):
pass
def OnChangeNode(self, event):
pass
class EditorPanel(wx.ScrolledWindow):
"""
Simple Plugin Model function editor
"""
def __init__(self, parent, base, path, title, *args, **kwds):
kwds['name'] = title
# kwds["size"] = (EDITOR_WIDTH, EDITOR_HEIGTH)
kwds["style"] = wx.FULL_REPAINT_ON_RESIZE
wx.ScrolledWindow.__init__(self, parent, *args, **kwds)
self.SetScrollbars(1, 1, 1, 1)
self.parent = parent
self.base = base
self.path = path
self.font = wx.SystemSettings_GetFont(wx.SYS_SYSTEM_FONT)
self.font.SetPointSize(10)
self.reader = None
self.name = 'untitled'
self.overwrite_name = False
self.is_2d = False
self.fname = None
self.main_sizer = None
self.name_sizer = None
self.name_hsizer = None
self.name_tcl = None
self.overwrite_cb = None
self.desc_sizer = None
self.desc_tcl = None
self.param_sizer = None
self.param_tcl = None
self.function_sizer = None
self.func_horizon_sizer = None
self.button_sizer = None
self.param_strings = ''
self.function_strings = ''
self._notes = ""
self._msg_box = None
self.msg_sizer = None
self.warning = ""
#This does not seem to be used anywhere so commenting out for now
# -- PDB 2/26/17
#self._description = "New Plugin Model"
self.function_tcl = None
self.math_combo = None
self.bt_apply = None
self.bt_close = None
#self._default_save_location = os.getcwd()
self._do_layout()
def _define_structure(self):
"""
define initial sizer
"""
#w, h = self.parent.GetSize()
self.main_sizer = wx.BoxSizer(wx.VERTICAL)
self.name_sizer = wx.BoxSizer(wx.VERTICAL)
self.name_hsizer = wx.BoxSizer(wx.HORIZONTAL)
self.desc_sizer = wx.BoxSizer(wx.VERTICAL)
self.param_sizer = wx.BoxSizer(wx.VERTICAL)
self.function_sizer = wx.BoxSizer(wx.VERTICAL)
self.func_horizon_sizer = wx.BoxSizer(wx.HORIZONTAL)
self.button_sizer = wx.BoxSizer(wx.HORIZONTAL)
self.msg_sizer = wx.BoxSizer(wx.HORIZONTAL)
def _layout_name(self):
"""
Do the layout for file/function name related widgets
"""
#title name [string]
name_txt = wx.StaticText(self, -1, 'Function Name : ')
self.overwrite_cb = wx.CheckBox(
self, -1, "Overwrite existing plugin model of this name?",
(10, 10))
self.overwrite_cb.SetValue(False)
self.overwrite_cb.SetToolTipString("Overwrite it if already exists?")
wx.EVT_CHECKBOX(self, self.overwrite_cb.GetId(), self.on_over_cb)
self.name_tcl = wx.TextCtrl(self, -1, size=(PANEL_WIDTH * 3 / 5, -1))
self.name_tcl.Bind(wx.EVT_TEXT_ENTER, self.on_change_name)
self.name_tcl.SetValue('')
self.name_tcl.SetFont(self.font)
hint_name = "Unique Model Function Name."
self.name_tcl.SetToolTipString(hint_name)
self.name_hsizer.AddMany([(self.name_tcl, 0, wx.LEFT | wx.TOP, 0),
(self.overwrite_cb, 0, wx.LEFT, 20)])
self.name_sizer.AddMany([(name_txt, 0, wx.LEFT | wx.TOP, 10),
(self.name_hsizer, 0,
wx.LEFT | wx.TOP | wx.BOTTOM, 10)])
def _layout_description(self):
"""
Do the layout for description related widgets
"""
#title name [string]
desc_txt = wx.StaticText(self, -1, 'Description (optional) : ')
self.desc_tcl = wx.TextCtrl(self, -1, size=(PANEL_WIDTH * 3 / 5, -1))
self.desc_tcl.SetValue('')
hint_desc = "Write a short description of the model function."
self.desc_tcl.SetToolTipString(hint_desc)
self.desc_sizer.AddMany([(desc_txt, 0, wx.LEFT | wx.TOP, 10),
(self.desc_tcl, 0,
wx.LEFT | wx.TOP | wx.BOTTOM, 10)])
def _layout_param(self):
"""
Do the layout for parameter related widgets
"""
param_txt = wx.StaticText(self, -1, 'Fit Parameters NOT requiring' + \
' polydispersity (if any): ')
param_tip = "#Set the parameters NOT requiring polydispersity " + \
"and their initial values.\n"
param_tip += "#Example:\n"
param_tip += "A = 1\nB = 1"
#param_txt.SetToolTipString(param_tip)
newid = wx.NewId()
self.param_tcl = EditWindow(self, newid, wx.DefaultPosition,
wx.DefaultSize,
wx.CLIP_CHILDREN | wx.SUNKEN_BORDER)
self.param_tcl.setDisplayLineNumbers(True)
self.param_tcl.SetToolTipString(param_tip)
self.param_sizer.AddMany([(param_txt, 0, wx.LEFT, 10),
(self.param_tcl, 1, wx.EXPAND | wx.ALL, 10)])
# Parameters with polydispersity
pd_param_txt = wx.StaticText(self, -1, 'Fit Parameters requiring ' + \
'polydispersity (if any): ')
pd_param_tip = "#Set the parameters requiring polydispersity and " + \
"their initial values.\n"
pd_param_tip += "#Example:\n"
pd_param_tip += "C = 2\nD = 2"
newid = wx.NewId()
self.pd_param_tcl = EditWindow(self, newid, wx.DefaultPosition,
wx.DefaultSize,
wx.CLIP_CHILDREN | wx.SUNKEN_BORDER)
self.pd_param_tcl.setDisplayLineNumbers(True)
self.pd_param_tcl.SetToolTipString(pd_param_tip)
self.param_sizer.AddMany([(pd_param_txt, 0, wx.LEFT, 10),
(self.pd_param_tcl, 1, wx.EXPAND | wx.ALL,
10)])
def _layout_function(self):
"""
Do the layout for function related widgets
"""
function_txt = wx.StaticText(self, -1, 'Function(x) : ')
hint_function = "#Example:\n"
hint_function += "if x <= 0:\n"
hint_function += " y = A + B\n"
hint_function += "else:\n"
hint_function += " y = A + B * cos(2 * pi * x)\n"
hint_function += "return y\n"
math_txt = wx.StaticText(self, -1, '*Useful math functions: ')
math_combo = self._fill_math_combo()
newid = wx.NewId()
self.function_tcl = EditWindow(self, newid, wx.DefaultPosition,
wx.DefaultSize,
wx.CLIP_CHILDREN | wx.SUNKEN_BORDER)
self.function_tcl.setDisplayLineNumbers(True)
self.function_tcl.SetToolTipString(hint_function)
self.func_horizon_sizer.Add(function_txt)
self.func_horizon_sizer.Add(math_txt, 0, wx.LEFT, 250)
self.func_horizon_sizer.Add(math_combo, 0, wx.LEFT, 10)
self.function_sizer.Add(self.func_horizon_sizer, 0, wx.LEFT, 10)
self.function_sizer.Add(self.function_tcl, 1, wx.EXPAND | wx.ALL, 10)
def _layout_msg(self):
"""
Layout msg
"""
self._msg_box = wx.StaticText(self,
-1,
self._notes,
size=(PANEL_WIDTH, -1))
self.msg_sizer.Add(self._msg_box, 0, wx.LEFT, 10)
def _layout_button(self):
"""
Do the layout for the button widgets
"""
self.bt_apply = wx.Button(self, -1, "Apply", size=(_BOX_WIDTH, -1))
self.bt_apply.SetToolTipString("Save changes into the imported data.")
self.bt_apply.Bind(wx.EVT_BUTTON, self.on_click_apply)
self.bt_help = wx.Button(self, -1, "HELP", size=(_BOX_WIDTH, -1))
self.bt_help.SetToolTipString("Get Help For Model Editor")
self.bt_help.Bind(wx.EVT_BUTTON, self.on_help)
self.bt_close = wx.Button(self, -1, 'Close', size=(_BOX_WIDTH, -1))
self.bt_close.Bind(wx.EVT_BUTTON, self.on_close)
self.bt_close.SetToolTipString("Close this panel.")
self.button_sizer.AddMany([(self.bt_apply, 0, 0),
(self.bt_help, 0, wx.LEFT | wx.BOTTOM, 15),
(self.bt_close, 0, wx.LEFT | wx.RIGHT, 15)])
def _do_layout(self):
"""
Draw the current panel
"""
self._define_structure()
self._layout_name()
self._layout_description()
self._layout_param()
self._layout_function()
self._layout_msg()
self._layout_button()
self.main_sizer.AddMany([
(self.name_sizer, 0, wx.EXPAND | wx.ALL, 5),
(wx.StaticLine(self), 0, wx.ALL | wx.EXPAND, 5),
(self.desc_sizer, 0, wx.EXPAND | wx.ALL, 5),
(wx.StaticLine(self), 0, wx.ALL | wx.EXPAND, 5),
(self.param_sizer, 1, wx.EXPAND | wx.ALL, 5),
(wx.StaticLine(self), 0, wx.ALL | wx.EXPAND, 5),
(self.function_sizer, 2, wx.EXPAND | wx.ALL, 5),
(wx.StaticLine(self), 0, wx.ALL | wx.EXPAND, 5),
(self.msg_sizer, 0, wx.EXPAND | wx.ALL, 5),
(self.button_sizer, 0, wx.ALIGN_RIGHT)
])
self.SetSizer(self.main_sizer)
self.SetAutoLayout(True)
def _fill_math_combo(self):
"""
Fill up the math combo box
"""
self.math_combo = wx.ComboBox(self,
-1,
size=(100, -1),
style=wx.CB_READONLY)
for item in dir(math):
if item.count("_") < 1:
try:
exec "float(math.%s)" % item
self.math_combo.Append(str(item))
except Exception:
self.math_combo.Append(str(item) + "()")
self.math_combo.Bind(wx.EVT_COMBOBOX, self._on_math_select)
self.math_combo.SetSelection(0)
return self.math_combo
def _on_math_select(self, event):
"""
On math selection on ComboBox
"""
event.Skip()
label = self.math_combo.GetValue()
self.function_tcl.SetFocus()
# Put the text at the cursor position
pos = self.function_tcl.GetCurrentPos()
self.function_tcl.InsertText(pos, label)
# Put the cursor at appropriate position
length = len(label)
print(length)
if label[length - 1] == ')':
length -= 1
f_pos = pos + length
self.function_tcl.GotoPos(f_pos)
def get_notes(self):
"""
return notes
"""
return self._notes
def on_change_name(self, event=None):
"""
Change name
"""
if event is not None:
event.Skip()
self.name_tcl.SetBackgroundColour('white')
self.Refresh()
def check_name(self):
"""
Check name if exist already
"""
self._notes = ''
self.on_change_name(None)
plugin_dir = self.path
list_fnames = os.listdir(plugin_dir)
# function/file name
title = self.name_tcl.GetValue().lstrip().rstrip()
self.name = title
t_fname = title + '.py'
if not self.overwrite_name:
if t_fname in list_fnames:
self.name_tcl.SetBackgroundColour('pink')
return False
self.fname = os.path.join(plugin_dir, t_fname)
s_title = title
if len(title) > 20:
s_title = title[0:19] + '...'
self._notes += "Model function name is set "
self._notes += "to %s. \n" % str(s_title)
return True
def on_over_cb(self, event):
"""
Set overwrite name flag on cb event
"""
if event is not None:
event.Skip()
cb_value = event.GetEventObject()
self.overwrite_name = cb_value.GetValue()
def on_click_apply(self, event):
"""
Changes are saved in data object imported to edit.
checks firs for valid name, then if it already exists then checks
that a function was entered and finally that if entered it contains at
least a return statement. If all passes writes file then tries to
compile. If compile fails or import module fails or run method fails
tries to remove any .py and pyc files that may have been created and
sets error message.
:todo this code still could do with a careful going over to clean
up and simplify. the non GUI methods such as this one should be removed
to computational code of SasView. Most of those computational methods
would be the same for both the simple editors.
"""
#must post event here
event.Skip()
name = self.name_tcl.GetValue().lstrip().rstrip()
info = 'Info'
msg = ''
result, check_err = '', ''
# Sort out the errors if occur
# First check for valid python name then if the name already exists
if not name or not bool(re.match('^[A-Za-z0-9_]*$', name)):
msg = '"%s" ' % name
msg += "is not a valid model name. Name must not be empty and \n"
msg += "may include only alpha numeric or underline characters \n"
msg += "and no spaces"
elif self.check_name():
description = self.desc_tcl.GetValue()
param_str = self.param_tcl.GetText()
pd_param_str = self.pd_param_tcl.GetText()
func_str = self.function_tcl.GetText()
# No input for the model function
if func_str.lstrip().rstrip():
if func_str.count('return') > 0:
self.write_file(self.fname, name, description, param_str,
pd_param_str, func_str)
try:
result, msg = check_model(self.fname), None
except Exception:
import traceback
result, msg = None, "error building model"
check_err = "\n" + traceback.format_exc(limit=2)
else:
msg = "Error: The func(x) must 'return' a value at least.\n"
msg += "For example: \n\nreturn 2*x"
else:
msg = 'Error: Function is not defined.'
else:
msg = "Name exists already."
#
if self.base is not None and not msg:
self.base.update_custom_combo()
# Prepare the messagebox
if msg:
info = 'Error'
color = 'red'
self.overwrite_cb.SetValue(True)
self.overwrite_name = True
else:
self._notes = result
msg = "Successful! Please look for %s in Plugin Models." % name
msg += " " + self._notes
info = 'Info'
color = 'blue'
self._msg_box.SetLabel(msg)
self._msg_box.SetForegroundColour(color)
# Send msg to the top window
if self.base is not None:
from sas.sasgui.guiframe.events import StatusEvent
wx.PostEvent(self.base.parent,
StatusEvent(status=msg + check_err, info=info))
self.warning = msg
def write_file(self, fname, name, desc_str, param_str, pd_param_str,
func_str):
"""
Write content in file
:param fname: full file path
:param desc_str: content of the description strings
:param param_str: content of params; Strings
:param pd_param_str: content of params requiring polydispersity; Strings
:param func_str: content of func; Strings
"""
out_f = open(fname, 'w')
out_f.write(
CUSTOM_TEMPLATE % {
'name': name,
'title': 'User model for ' + name,
'description': desc_str,
'date': datetime.datetime.now().strftime('%YYYY-%mm-%dd'),
})
# Write out parameters
param_names = [] # to store parameter names
pd_params = []
out_f.write('parameters = [ \n')
out_f.write(
'# ["name", "units", default, [lower, upper], "type", "description"],\n'
)
for pname, pvalue, desc in self.get_param_helper(param_str):
param_names.append(pname)
out_f.write(" ['%s', '', %s, [-inf, inf], '', '%s'],\n" %
(pname, pvalue, desc))
for pname, pvalue, desc in self.get_param_helper(pd_param_str):
param_names.append(pname)
pd_params.append(pname)
out_f.write(" ['%s', '', %s, [-inf, inf], 'volume', '%s'],\n" %
(pname, pvalue, desc))
out_f.write(' ]\n')
# Write out function definition
out_f.write('def Iq(%s):\n' % ', '.join(['x'] + param_names))
out_f.write(' """Absolute scattering"""\n')
if "scipy." in func_str:
out_f.write(' import scipy')
if "numpy." in func_str:
out_f.write(' import numpy')
if "np." in func_str:
out_f.write(' import numpy as np')
for func_line in func_str.split('\n'):
out_f.write('%s%s\n' % (spaces4, func_line))
out_f.write('## uncomment the following if Iq works for vector x\n')
out_f.write('#Iq.vectorized = True\n')
# If polydisperse, create place holders for form_volume, ER and VR
if pd_params:
out_f.write('\n')
out_f.write(CUSTOM_TEMPLATE_PD % {'args': ', '.join(pd_params)})
# Create place holder for Iqxy
out_f.write('\n')
out_f.write('#def Iqxy(%s):\n' % ', '.join(["x", "y"] + param_names))
out_f.write('# """Absolute scattering of oriented particles."""\n')
out_f.write('# ...\n')
out_f.write('# return oriented_form(x, y, args)\n')
out_f.write(
'## uncomment the following if Iqxy works for vector x, y\n')
out_f.write('#Iqxy.vectorized = True\n')
out_f.close()
def get_param_helper(self, param_str):
"""
yield a sequence of name, value pairs for the parameters in param_str
Parameters can be defined by one per line by name=value, or multiple
on the same line by separating the pairs by semicolon or comma. The
value is optional and defaults to "1.0".
"""
for line in param_str.replace(';', ',').split('\n'):
for item in line.split(','):
defn, desc = item.split('#', 1) if '#' in item else (item, '')
name, value = defn.split('=', 1) if '=' in defn else (defn,
'1.0')
if name:
yield [v.strip() for v in (name, value, desc)]
def set_function_helper(self, line):
"""
Get string in line to define the local params
:param line: one line of string got from the param_str
"""
params_str = ''
spaces = ' ' #8spaces
items = line.split(";")
for item in items:
name = item.split("=")[0].lstrip().rstrip()
params_str += spaces + "%s = self.params['%s']\n" % (name, name)
return params_str
def get_warning(self):
"""
Get the warning msg
"""
return self.warning
def on_help(self, event):
"""
Bring up the New Plugin Model Editor Documentation whenever
the HELP button is clicked.
Calls DocumentationWindow with the path of the location within the
documentation tree (after /doc/ ....". Note that when using old
versions of Wx (before 2.9) and thus not the release version of
installers, the help comes up at the top level of the file as
webbrowser does not pass anything past the # to the browser when it is
running "file:///...."
:param evt: Triggers on clicking the help button
"""
_TreeLocation = "user/sasgui/perspectives/fitting/fitting_help.html"
_PageAnchor = "#new-plugin-model"
_doc_viewer = DocumentationWindow(self, -1, _TreeLocation, _PageAnchor,
"Plugin Model Editor Help")
def on_close(self, event):
"""
leave data as it is and close
"""
self.parent.Show(False) #Close()
event.Skip()
class EditorPanel(wx.ScrolledWindow):
"""
Simple Plugin Model function editor
"""
def __init__(self, parent, base, path, title, *args, **kwds):
kwds['name'] = title
# kwds["size"] = (EDITOR_WIDTH, EDITOR_HEIGTH)
kwds["style"] = wx.FULL_REPAINT_ON_RESIZE
wx.ScrolledWindow.__init__(self, parent, *args, **kwds)
self.SetScrollbars(1,1,1,1)
self.parent = parent
self.base = base
self.path = path
self.font = wx.SystemSettings_GetFont(wx.SYS_SYSTEM_FONT)
self.font.SetPointSize(10)
self.reader = None
self.name = 'untitled'
self.overwrite_name = False
self.is_2d = False
self.fname = None
self.main_sizer = None
self.name_sizer = None
self.name_hsizer = None
self.name_tcl = None
self.overwrite_cb = None
self.desc_sizer = None
self.desc_tcl = None
self.param_sizer = None
self.param_tcl = None
self.function_sizer = None
self.func_horizon_sizer = None
self.button_sizer = None
self.param_strings = ''
self.function_strings = ''
self._notes = ""
self._msg_box = None
self.msg_sizer = None
self.warning = ""
#This does not seem to be used anywhere so commenting out for now
# -- PDB 2/26/17
#self._description = "New Plugin Model"
self.function_tcl = None
self.math_combo = None
self.bt_apply = None
self.bt_close = None
#self._default_save_location = os.getcwd()
self._do_layout()
def _define_structure(self):
"""
define initial sizer
"""
#w, h = self.parent.GetSize()
self.main_sizer = wx.BoxSizer(wx.VERTICAL)
self.name_sizer = wx.BoxSizer(wx.VERTICAL)
self.name_hsizer = wx.BoxSizer(wx.HORIZONTAL)
self.desc_sizer = wx.BoxSizer(wx.VERTICAL)
self.param_sizer = wx.BoxSizer(wx.VERTICAL)
self.function_sizer = wx.BoxSizer(wx.VERTICAL)
self.func_horizon_sizer = wx.BoxSizer(wx.HORIZONTAL)
self.button_sizer = wx.BoxSizer(wx.HORIZONTAL)
self.msg_sizer = wx.BoxSizer(wx.HORIZONTAL)
def _layout_name(self):
"""
Do the layout for file/function name related widgets
"""
#title name [string]
name_txt = wx.StaticText(self, -1, 'Function Name : ')
self.overwrite_cb = wx.CheckBox(self, -1, "Overwrite existing plugin model of this name?", (10, 10))
self.overwrite_cb.SetValue(False)
self.overwrite_cb.SetToolTipString("Overwrite it if already exists?")
wx.EVT_CHECKBOX(self, self.overwrite_cb.GetId(), self.on_over_cb)
self.name_tcl = wx.TextCtrl(self, -1, size=(PANEL_WIDTH * 3 / 5, -1))
self.name_tcl.Bind(wx.EVT_TEXT_ENTER, self.on_change_name)
self.name_tcl.SetValue('')
self.name_tcl.SetFont(self.font)
hint_name = "Unique Model Function Name."
self.name_tcl.SetToolTipString(hint_name)
self.name_hsizer.AddMany([(self.name_tcl, 0, wx.LEFT | wx.TOP, 0),
(self.overwrite_cb, 0, wx.LEFT, 20)])
self.name_sizer.AddMany([(name_txt, 0, wx.LEFT | wx.TOP, 10),
(self.name_hsizer, 0,
wx.LEFT | wx.TOP | wx.BOTTOM, 10)])
def _layout_description(self):
"""
Do the layout for description related widgets
"""
#title name [string]
desc_txt = wx.StaticText(self, -1, 'Description (optional) : ')
self.desc_tcl = wx.TextCtrl(self, -1, size=(PANEL_WIDTH * 3 / 5, -1))
self.desc_tcl.SetValue('')
hint_desc = "Write a short description of the model function."
self.desc_tcl.SetToolTipString(hint_desc)
self.desc_sizer.AddMany([(desc_txt, 0, wx.LEFT | wx.TOP, 10),
(self.desc_tcl, 0,
wx.LEFT | wx.TOP | wx.BOTTOM, 10)])
def _layout_param(self):
"""
Do the layout for parameter related widgets
"""
param_txt = wx.StaticText(self, -1, 'Fit Parameters NOT requiring' + \
' polydispersity (if any): ')
param_tip = "#Set the parameters NOT requiring polydispersity " + \
"and their initial values.\n"
param_tip += "#Example:\n"
param_tip += "A = 1\nB = 1"
#param_txt.SetToolTipString(param_tip)
newid = wx.NewId()
self.param_tcl = EditWindow(self, newid, wx.DefaultPosition,
wx.DefaultSize,
wx.CLIP_CHILDREN | wx.SUNKEN_BORDER)
self.param_tcl.setDisplayLineNumbers(True)
self.param_tcl.SetToolTipString(param_tip)
self.param_sizer.AddMany([(param_txt, 0, wx.LEFT, 10),
(self.param_tcl, 1, wx.EXPAND | wx.ALL, 10)])
# Parameters with polydispersity
pd_param_txt = wx.StaticText(self, -1, 'Fit Parameters requiring ' + \
'polydispersity (if any): ')
pd_param_tip = "#Set the parameters requiring polydispersity and " + \
"their initial values.\n"
pd_param_tip += "#Example:\n"
pd_param_tip += "C = 2\nD = 2"
newid = wx.NewId()
self.pd_param_tcl = EditWindow(self, newid, wx.DefaultPosition,
wx.DefaultSize,
wx.CLIP_CHILDREN | wx.SUNKEN_BORDER)
self.pd_param_tcl.setDisplayLineNumbers(True)
self.pd_param_tcl.SetToolTipString(pd_param_tip)
self.param_sizer.AddMany([(pd_param_txt, 0, wx.LEFT, 10),
(self.pd_param_tcl, 1, wx.EXPAND | wx.ALL, 10)])
def _layout_function(self):
"""
Do the layout for function related widgets
"""
function_txt = wx.StaticText(self, -1, 'Function(x) : ')
hint_function = "#Example:\n"
hint_function += "if x <= 0:\n"
hint_function += " y = A + B\n"
hint_function += "else:\n"
hint_function += " y = A + B * cos(2 * pi * x)\n"
hint_function += "return y\n"
math_txt = wx.StaticText(self, -1, '*Useful math functions: ')
math_combo = self._fill_math_combo()
newid = wx.NewId()
self.function_tcl = EditWindow(self, newid, wx.DefaultPosition,
wx.DefaultSize,
wx.CLIP_CHILDREN | wx.SUNKEN_BORDER)
self.function_tcl.setDisplayLineNumbers(True)
self.function_tcl.SetToolTipString(hint_function)
self.func_horizon_sizer.Add(function_txt)
self.func_horizon_sizer.Add(math_txt, 0, wx.LEFT, 250)
self.func_horizon_sizer.Add(math_combo, 0, wx.LEFT, 10)
self.function_sizer.Add(self.func_horizon_sizer, 0, wx.LEFT, 10)
self.function_sizer.Add(self.function_tcl, 1, wx.EXPAND | wx.ALL, 10)
def _layout_msg(self):
"""
Layout msg
"""
self._msg_box = wx.StaticText(self, -1, self._notes,
size=(PANEL_WIDTH, -1))
self.msg_sizer.Add(self._msg_box, 0, wx.LEFT, 10)
def _layout_button(self):
"""
Do the layout for the button widgets
"""
self.bt_apply = wx.Button(self, -1, "Apply", size=(_BOX_WIDTH, -1))
self.bt_apply.SetToolTipString("Save changes into the imported data.")
self.bt_apply.Bind(wx.EVT_BUTTON, self.on_click_apply)
self.bt_help = wx.Button(self, -1, "HELP", size=(_BOX_WIDTH, -1))
self.bt_help.SetToolTipString("Get Help For Model Editor")
self.bt_help.Bind(wx.EVT_BUTTON, self.on_help)
self.bt_close = wx.Button(self, -1, 'Close', size=(_BOX_WIDTH, -1))
self.bt_close.Bind(wx.EVT_BUTTON, self.on_close)
self.bt_close.SetToolTipString("Close this panel.")
self.button_sizer.AddMany([(self.bt_apply, 0,0),
(self.bt_help, 0, wx.LEFT | wx.BOTTOM,15),
(self.bt_close, 0, wx.LEFT | wx.RIGHT, 15)])
def _do_layout(self):
"""
Draw the current panel
"""
self._define_structure()
self._layout_name()
self._layout_description()
self._layout_param()
self._layout_function()
self._layout_msg()
self._layout_button()
self.main_sizer.AddMany([(self.name_sizer, 0, wx.EXPAND | wx.ALL, 5),
(wx.StaticLine(self), 0,
wx.ALL | wx.EXPAND, 5),
(self.desc_sizer, 0, wx.EXPAND | wx.ALL, 5),
(wx.StaticLine(self), 0,
wx.ALL | wx.EXPAND, 5),
(self.param_sizer, 1, wx.EXPAND | wx.ALL, 5),
(wx.StaticLine(self), 0,
wx.ALL | wx.EXPAND, 5),
(self.function_sizer, 2,
wx.EXPAND | wx.ALL, 5),
(wx.StaticLine(self), 0,
wx.ALL | wx.EXPAND, 5),
(self.msg_sizer, 0, wx.EXPAND | wx.ALL, 5),
(self.button_sizer, 0, wx.ALIGN_RIGHT)])
self.SetSizer(self.main_sizer)
self.SetAutoLayout(True)
def _fill_math_combo(self):
"""
Fill up the math combo box
"""
self.math_combo = wx.ComboBox(self, -1, size=(100, -1),
style=wx.CB_READONLY)
for item in dir(math):
if item.count("_") < 1:
try:
exec "float(math.%s)" % item
self.math_combo.Append(str(item))
except:
self.math_combo.Append(str(item) + "()")
self.math_combo.Bind(wx.EVT_COMBOBOX, self._on_math_select)
self.math_combo.SetSelection(0)
return self.math_combo
def _on_math_select(self, event):
"""
On math selection on ComboBox
"""
event.Skip()
label = self.math_combo.GetValue()
self.function_tcl.SetFocus()
# Put the text at the cursor position
pos = self.function_tcl.GetCurrentPos()
self.function_tcl.InsertText(pos, label)
# Put the cursor at appropriate position
length = len(label)
print(length)
if label[length-1] == ')':
length -= 1
f_pos = pos + length
self.function_tcl.GotoPos(f_pos)
def get_notes(self):
"""
return notes
"""
return self._notes
def on_change_name(self, event=None):
"""
Change name
"""
if event is not None:
event.Skip()
self.name_tcl.SetBackgroundColour('white')
self.Refresh()
def check_name(self):
"""
Check name if exist already
"""
self._notes = ''
self.on_change_name(None)
plugin_dir = self.path
list_fnames = os.listdir(plugin_dir)
# function/file name
title = self.name_tcl.GetValue().lstrip().rstrip()
self.name = title
t_fname = title + '.py'
if not self.overwrite_name:
if t_fname in list_fnames:
self.name_tcl.SetBackgroundColour('pink')
return False
self.fname = os.path.join(plugin_dir, t_fname)
s_title = title
if len(title) > 20:
s_title = title[0:19] + '...'
self._notes += "Model function name is set "
self._notes += "to %s. \n" % str(s_title)
return True
def on_over_cb(self, event):
"""
Set overwrite name flag on cb event
"""
if event is not None:
event.Skip()
cb_value = event.GetEventObject()
self.overwrite_name = cb_value.GetValue()
def on_click_apply(self, event):
"""
Changes are saved in data object imported to edit.
checks firs for valid name, then if it already exists then checks
that a function was entered and finally that if entered it contains at
least a return statement. If all passes writes file then tries to
compile. If compile fails or import module fails or run method fails
tries to remove any .py and pyc files that may have been created and
sets error message.
:todo this code still could do with a careful going over to clean
up and simplify. the non GUI methods such as this one should be removed
to computational code of SasView. Most of those computational methods
would be the same for both the simple editors.
"""
#must post event here
event.Skip()
name = self.name_tcl.GetValue().lstrip().rstrip()
info = 'Info'
msg = ''
result, check_err = '', ''
# Sort out the errors if occur
# First check for valid python name then if the name already exists
if not name or not bool(re.match('^[A-Za-z0-9_]*$', name)):
msg = '"%s" '%name
msg += "is not a valid model name. Name must not be empty and \n"
msg += "may include only alpha numeric or underline characters \n"
msg += "and no spaces"
elif self.check_name():
description = self.desc_tcl.GetValue()
param_str = self.param_tcl.GetText()
pd_param_str = self.pd_param_tcl.GetText()
func_str = self.function_tcl.GetText()
# No input for the model function
if func_str.lstrip().rstrip():
if func_str.count('return') > 0:
self.write_file(self.fname, name, description, param_str,
pd_param_str, func_str)
try:
result, msg = check_model(self.fname), None
except Exception:
import traceback
result, msg = None, "error building model"
check_err = "\n"+traceback.format_exc(limit=2)
else:
msg = "Error: The func(x) must 'return' a value at least.\n"
msg += "For example: \n\nreturn 2*x"
else:
msg = 'Error: Function is not defined.'
else:
msg = "Name exists already."
# Prepare the messagebox
if self.base is not None and not msg:
self.base.update_custom_combo()
# Passed exception in import test as it will fail for sasmodels.sasview_model class
# Should add similar test for new style?
Model = None
try:
exec "from %s import Model" % name
except:
logger.error(sys.exc_value)
# Prepare the messagebox
if msg:
info = 'Error'
color = 'red'
self.overwrite_cb.SetValue(True)
self.overwrite_name = True
else:
self._notes = result
msg = "Successful! Please look for %s in Plugin Models."%name
msg += " " + self._notes
info = 'Info'
color = 'blue'
self._msg_box.SetLabel(msg)
self._msg_box.SetForegroundColour(color)
# Send msg to the top window
if self.base is not None:
from sas.sasgui.guiframe.events import StatusEvent
wx.PostEvent(self.base.parent,
StatusEvent(status=msg+check_err, info=info))
self.warning = msg
def write_file(self, fname, name, desc_str, param_str, pd_param_str, func_str):
"""
Write content in file
:param fname: full file path
:param desc_str: content of the description strings
:param param_str: content of params; Strings
:param pd_param_str: content of params requiring polydispersity; Strings
:param func_str: content of func; Strings
"""
try:
out_f = open(fname, 'w')
except:
raise
# Prepare the content of the function
lines = CUSTOM_TEMPLATE.split('\n')
has_scipy = func_str.count("scipy.")
if has_scipy:
lines.insert(0, 'import scipy')
# Think about 2D later
#self.is_2d = func_str.count("#self.ndim = 2")
#line_2d = ''
#if self.is_2d:
# line_2d = CUSTOM_2D_TEMP.split('\n')
# Also think about test later
#line_test = TEST_TEMPLATE.split('\n')
#local_params = ''
#spaces = ' '#8spaces
spaces4 = ' '*4
spaces13 = ' '*13
spaces16 = ' '*16
param_names = [] # to store parameter names
has_scipy = func_str.count("scipy.")
if has_scipy:
lines.insert(0, 'import scipy')
# write function here
for line in lines:
# The location where to put the strings is
# hard-coded in the template as shown below.
out_f.write(line + '\n')
if line.count('#name'):
out_f.write('name = "%s" \n' % name)
elif line.count('#title'):
out_f.write('title = "User model for %s"\n' % name)
elif line.count('#description'):
out_f.write('description = "%s"\n' % desc_str)
elif line.count('#parameters'):
out_f.write('parameters = [ \n')
for param_line in param_str.split('\n'):
p_line = param_line.lstrip().rstrip()
if p_line:
pname, pvalue, desc = self.get_param_helper(p_line)
param_names.append(pname)
out_f.write("%s['%s', '', %s, [-numpy.inf, numpy.inf], '', '%s'],\n" % (spaces16, pname, pvalue, desc))
for param_line in pd_param_str.split('\n'):
p_line = param_line.lstrip().rstrip()
if p_line:
pname, pvalue, desc = self.get_param_helper(p_line)
param_names.append(pname)
out_f.write("%s['%s', '', %s, [-numpy.inf, numpy.inf], 'volume', '%s'],\n" % (spaces16, pname, pvalue, desc))
out_f.write('%s]\n' % spaces13)
# No form_volume or ER available in simple model editor
out_f.write('def form_volume(*arg): \n')
out_f.write(' return 1.0 \n')
out_f.write('\n')
out_f.write('def ER(*arg): \n')
out_f.write(' return 1.0 \n')
# function to compute
out_f.write('\n')
out_f.write('def Iq(x ')
for name in param_names:
out_f.write(', %s' % name)
out_f.write('):\n')
for func_line in func_str.split('\n'):
out_f.write('%s%s\n' % (spaces4, func_line))
Iqxy_string = 'return Iq(numpy.sqrt(x**2+y**2) '
out_f.write('\n')
out_f.write('def Iqxy(x, y ')
for name in param_names:
out_f.write(', %s' % name)
Iqxy_string += ', ' + name
out_f.write('):\n')
Iqxy_string += ')'
out_f.write('%s%s\n' % (spaces4, Iqxy_string))
out_f.close()
def get_param_helper(self, line):
"""
Get string in line to define the params dictionary
:param line: one line of string got from the param_str
"""
items = line.split(";")
for item in items:
name = item.split("=")[0].strip()
description = ""
try:
value = item.split("=")[1].strip()
if value.count("#"):
# If line ends in a comment, remove it before parsing float
index = value.index("#")
description = value[(index + 1):].strip()
value = value[:value.index("#")].strip()
float(value)
except ValueError:
value = 1.0 # default
return name, value, description
def set_function_helper(self, line):
"""
Get string in line to define the local params
:param line: one line of string got from the param_str
"""
params_str = ''
spaces = ' '#8spaces
items = line.split(";")
for item in items:
name = item.split("=")[0].lstrip().rstrip()
params_str += spaces + "%s = self.params['%s']\n" % (name, name)
return params_str
def get_warning(self):
"""
Get the warning msg
"""
return self.warning
def on_help(self, event):
"""
Bring up the New Plugin Model Editor Documentation whenever
the HELP button is clicked.
Calls DocumentationWindow with the path of the location within the
documentation tree (after /doc/ ....". Note that when using old
versions of Wx (before 2.9) and thus not the release version of
installers, the help comes up at the top level of the file as
webbrowser does not pass anything past the # to the browser when it is
running "file:///...."
:param evt: Triggers on clicking the help button
"""
_TreeLocation = "user/sasgui/perspectives/fitting/fitting_help.html"
_PageAnchor = "#new-plugin-model"
_doc_viewer = DocumentationWindow(self, -1, _TreeLocation, _PageAnchor,
"Plugin Model Editor Help")
def on_close(self, event):
"""
leave data as it is and close
"""
self.parent.Show(False)#Close()
event.Skip()