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ExtPG.py
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ExtPG.py
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# coding=utf8
'''
Copyright (R) 2015 Vincent.H <forever.h@gmail.com>
Published under Apache 2.0 License (http://www.apache.org/licenses/LICENSE-2.0.html).
-------------------------------------------------------------------------------------
This module define all propgrid class and functions used in main_frame.
Some editor dialog use the singleton method to promote efficiency.
'''
import os
import wx.propgrid as wxpg
import AttrsDef
import wx, types, colour
import re
from DEUtils import remove_double_quote, get_colors_in_schcme
from UIClass import ImageSingleChoiceDialog, ArrowTypeDialog, \
ColorSingleChoiceDialog, ColorSchemeDialog, \
DialogTextEditor
import DEUtils
import tempfile
### Some global var.
CS_DIALOG = None
NS_DIALOG = None
AT_DIALOG = None
def get_root_window(window):
p = window
while 1:
r1 = p.GetParent()
if r1 is None:
return p
else:
p = r1
return None
class CSDialog(ColorSchemeDialog):
'''A Dialog to select a colorscheme.'''
@staticmethod
def get_dialog(parent, scheme='x11'):
'''A factory method to return singleton.'''
global CS_DIALOG
if CS_DIALOG is None:
CS_DIALOG = CSDialog(parent, scheme)
CS_DIALOG.reset()
return CS_DIALOG
def __init__(self, parent, scheme='x11'):
ColorSchemeDialog.__init__(self, parent)
self.choice = AttrsDef.E_COLORSCHEME
il = get_root_window(self).image_list['colorscheme']
self.m_list.AssignImageList(il, 0)
# Change dialog size to fit the image size.
w, h = il.GetBitmap(0).GetSize()
if os.sys.platform == 'win32':
self.SetSizeWH(int(w*4.5), h*4)
elif os.sys.platform == 'darwin':
self.SetSizeWH(int(w*4.5), h*5)
elif os.sys.platform[:5] == 'linux':
self.SetSizeWH(int(w*5), h*5.5)
else:
self.SetSizeWH(int(w*5), h*5)
self.updateList()
self.m_list.Bind(wx.EVT_LEFT_DCLICK, self.onOK)
def reset(self):
self.m_searchCtrl.SetValue('')
self.onSearch(None)
def SetColorScheme(self, scheme):
s = scheme.strip().lower()
idx = self.m_list.FindItem(0, s)
if idx < 0:
return
self.m_list.Select(idx, True)
self.m_list.Focus(idx)
def onSearch(self, event):
s_text = self.m_searchCtrl.GetValue()
scheme_list = self.choice
search_result = filter(lambda s:s.find(s_text) > -1, scheme_list)
self.updateList(search_result)
def GetColorScheme(self):
idx = self.m_list.GetFirstSelected()
if idx == -1:
return ''
else:
return self.m_list.GetItemText(idx)
def updateList(self, scheme_list=None):
all_scheme = self.choice
if scheme_list is None:
scheme_list = all_scheme
self.m_list.ClearAll()
for x in range(len(scheme_list)):
c = scheme_list[x]
img_idx = all_scheme.index(c)
self.m_list.InsertImageStringItem(x, c, img_idx)
return
def onOK(self, event):
idx = self.m_list.GetFirstSelected()
if idx == -1:
return
self.EndModal(wx.ID_OK)
class CSCDialog(ColorSingleChoiceDialog):
'''A Dialog to select a color.'''
def __init__(self, parent, scheme='x11'):
ColorSingleChoiceDialog.__init__(self, parent)
self.SetTitle('Pick a color')
self.m_staticText_message.SetLabel('Select a color in "%s":'%scheme)
self.choice = get_colors_in_schcme(scheme)
self.updateList()
self.m_list.Bind(wx.EVT_LEFT_DCLICK, self.onOK)
def SetColorString(self, color):
s = color.strip().lower()
idx = self.m_list.FindItem(0, s)
if idx < 0:
return
self.m_list.Select(idx, True)
self.m_list.Focus(idx)
self.m_list.SetFocus()
def onSearch(self, event):
s_text = self.m_searchCtrl.GetValue()
color_list = self.choice.keys()
color_list.sort()
search_result = filter(lambda s:s.find(s_text) > -1, color_list)
self.updateList(search_result)
def GetColorString(self):
idx = self.m_list.GetFirstSelected()
if idx == -1:
return ''
else:
return self.m_list.GetItemText(idx)
def updateList(self, color_list=None):
if color_list is None:
color_list = self.choice.keys()
color_list.sort()
self.m_list.ClearAll()
self.m_list.InsertColumn(0, 'COLOR NAME')
w, _ = self.m_list.GetSize()
self.m_list.SetColumnWidth(0, w*0.92)
for x in range(len(color_list)):
c = color_list[x]
self.m_list.InsertStringItem(x, c)
r,g,b = self.choice[c]
v = max(r,g,b)/255.0
if v < 0.5:
self.m_list.SetItemTextColour(x, wx.Colour(255,255,255))
self.m_list.SetItemBackgroundColour(x, wx.Colour(r,g,b))
return
def onOK(self, event):
idx = self.m_list.GetFirstSelected()
if idx == -1:
return
self.EndModal(wx.ID_OK)
class NodeShapeDialog(ImageSingleChoiceDialog):
'''A Dialog to select node shape.'''
@staticmethod
def get_dialog(parent):
'''A factory method to return singleton.'''
global NS_DIALOG
if NS_DIALOG is None:
NS_DIALOG = NodeShapeDialog(parent)
return NS_DIALOG
def __init__(self, parent):
ImageSingleChoiceDialog.__init__(self, parent)
self.SetTitle('Select node shape')
self.m_message.SetLabel('Choice a node shape below:')
self.choices = AttrsDef.E_SHAPE
il = get_root_window(self).image_list['node_shape']
self.m_list.AssignImageList(il, 0)
# Change dialog size to fit the image size.
w, h = il.GetBitmap(0).GetSize()
if os.sys.platform == 'win32':
self.SetSizeWH(int(w*6), h*6)
elif os.sys.platform == 'darwin':
self.SetSizeWH(int(w*6), h*5)
elif os.sys.platform[:5] == 'linux':
self.SetSizeWH(int(w*4.5), h*4)
else:
self.SetSizeWH(int(w*6), h*6)
for x in range(len(self.choices)):
c = self.choices[x]
self.m_list.InsertImageStringItem(x, c, x)
self.m_list.Bind(wx.EVT_LEFT_DCLICK, self.onOK)
return
def SetSelectedString(self, nodeshape):
idx = self.m_list.FindItem(0, nodeshape)
if idx < 0:
return False
self.m_list.Select(idx, True)
self.m_list.Focus(idx)
return True
def GetSelectedString(self):
idx = self.m_list.GetFirstSelected()
if idx == -1:
return None
return self.m_list.GetItemText(idx)
def onOK(self, event):
idx = self.m_list.GetFirstSelected()
if idx == -1:
return
self.EndModal(wx.ID_OK)
class ATDialog(ArrowTypeDialog):
'''A Dialog to select arrow type.'''
@staticmethod
def get_dialog(parent):
'''A factory method to return singleton.'''
global AT_DIALOG
if AT_DIALOG is None:
AT_DIALOG = ATDialog(parent)
return AT_DIALOG
def __init__(self, parent):
ArrowTypeDialog.__init__(self, parent)
self.base_at_list = AttrsDef.E_ARROWTYPE
il = get_root_window(self).image_list['arrow_style']
self.m_list.AssignImageList(il, 0)
# Change dialog size to fit the image size.
w, h = il.GetBitmap(0).GetSize()
if os.sys.platform == 'win32':
self.SetSizeWH(int(w*9), h*6.5)
elif os.sys.platform == 'darwin':
self.SetSizeWH(int(w*7), h*6.5)
else:
self.SetSizeWH(int(w*9), h*6.5)
for x in range(len(self.base_at_list )):
c = self.base_at_list[x]
self.m_list.InsertImageStringItem(x, c, x)
self.m_list.Bind(wx.EVT_LEFT_DCLICK, self.onOK)
def getArrowType(self):
# Get value from UI.
ta = self.m_list.GetFirstSelected()
if ta == -1:
return None
v_side = self.m_radioBox_arrowpart.GetSelection()
v_o = self.m_checkBox_arrowfilled.GetValue()
# Generate arrow type string.
s_o = ''
if v_o == False: s_o ='o'
s_side = ''
if v_side == 1:
s_side = 'l'
elif v_side == 2:
s_side = 'r'
s_ta = self.base_at_list[ta]
return ''.join([s_o, s_side, s_ta])
def setArrayType(self, str_arraytype):
sa = str_arraytype.lower()
### Let begin a stupid yacc program :)
is_filled = True
l_side = ""
at = ''
if sa[0] == 'o':
is_filled = False
if sa[1] in ['l', 'r']:
l_side = sa[1]
at = sa[2:]
else:
at = sa[1:]
elif sa[0] in ['l', 'r']:
l_side = sa[0]
at = sa[1:]
else:
at = sa
self.m_checkBox_arrowfilled.SetValue(is_filled)
if l_side == "":
self.m_radioBox_arrowpart.SetSelection(0)
elif l_side == 'l':
self.m_radioBox_arrowpart.SetSelection(1)
else:
self.m_radioBox_arrowpart.SetSelection(2)
idx = self.base_at_list.index(at)
self.m_list.Select(idx, True)
self.m_list.Focus(idx)
return
def onATSelected(self, event):
i = self.m_list.GetFirstSelected()
if i == -1:
return None
at_s = self.base_at_list[i]
### Do some limit as the official document.
### (http://www.graphviz.org/content/arrow-shapes)
if at_s in ['crow', 'curve', 'icurve', 'tee', 'vee']:
self.m_checkBox_arrowfilled.SetValue(True)
self.m_checkBox_arrowfilled.Disable()
else:
self.m_checkBox_arrowfilled.Enable()
if at_s in ['dot']:
self.m_radioBox_arrowpart.SetSelection(0)
self.m_radioBox_arrowpart.Disable()
else:
self.m_radioBox_arrowpart.Enable()
self.refresh_preview()
def onArrowChanged(self, event):
self.refresh_preview()
def refresh_preview(self):
# Gen image.
at = self.getArrowType()
fn = tempfile.gettempdir()+'/.atpreview'
DEUtils.gen_arrow_image(at, fn)
img = wx.Image(fn)
# Cut the center part for preview.
w,h=img.GetSize()
#img = img.GetSubImage(wx.Rect((w-h)/2, 0, h, h))
self.m_bitmap_preview.SetSize((w,h))
self.m_bitmap_preview.SetBitmap(img.ConvertToBitmap())
self.m_bitmap_preview.UpdateWindowUI()
return
def onOK(self, event):
idx = self.m_list.GetFirstSelected()
if idx == -1:
return
self.EndModal(wx.ID_OK)
class DotStringProperty(wxpg.PyProperty):
'''
Why this? This class existed because the build-in wxpg.PyStringProperty not trigger event when zero-length string input.
'''
def __init__(self, label, name=wxpg.LABEL_AS_NAME, value=''):
wxpg.PyProperty.__init__(self, label, name)
self.SetValue(value)
def GetClassName(self):
return 'DotStringProperty'
def GetEditor(self):
return 'TextCtrl'
def ValueToString(self, v, flags):
return v
def StringToValue(self, s, flags):
return True, s
def ValidateValue(self, value, validationInfo):
""" Let's limit the value NOT inclue double-quote.
"""
return True, DEUtils.escape_dot_string(value)
class DotBigStringProperty(DotStringProperty):
'''
A PG to edit big text such as label.
'''
def GetClassName(self):
return 'DotBigStringProperty'
def GetEditor(self):
return 'TextCtrlAndButton'
def OnEvent(self, propgrid, primaryEditor, event):
ok = False
if event.GetEventType() == wx.wxEVT_COMMAND_BUTTON_CLICKED:
dlg = DialogTextEditor(propgrid)
dlg.SetTitle('Input the label text')
text = self.GetValue()
dlg.m_text.SetValue(text)
if dlg.ShowModal() == wx.ID_OK:
text = dlg.m_text.GetValue()
self.m_value = text
self.SetValueInEvent(text)
ok = True
return ok
class DotFloatProperty(wxpg.PyFloatProperty):
def ValueToString(self, v, flags):
c_str = str(v)
### If no decimal point, add .0
if c_str.isdigit():
c_str += '.0'
return c_str
def DoGetValue(self):
return self.ValueToString(self.m_value, None)
class DotColorSchemeProperty(wxpg.PyProperty):
def __init__(self, label, name=wxpg.LABEL_AS_NAME, value=''):
wxpg.PyProperty.__init__(self, label, name)
self.SetValue(value)
self.choices = AttrsDef.E_COLORSCHEME
def GetClassName(self):
return 'DotColorSchemeProperty'
def GetEditor(self):
return "TextCtrlAndButton"
def StringToValue(self, s, flags):
s = s.strip().lower()
if s in self.choices:
return True, s
return False
def ValueToString(self, v, flags):
return v.strip().lower()
def OnEvent(self, propgrid, primaryEditor, event):
ok = False
if event.GetEventType() == wx.wxEVT_COMMAND_BUTTON_CLICKED:
dlg = CSDialog.get_dialog(propgrid)
if isinstance(self.m_value, basestring):
dlg.SetColorScheme(self.m_value)
if dlg.ShowModal() == wx.ID_OK:
cs = dlg.GetColorScheme()
self.m_value = cs
self.SetValueInEvent(cs)
ok = True
return ok
class DotColorProperty(wxpg.PyProperty):
'''The value of pg should be 3 type:
1. A color name in string.
2. A RGB/RGBA value in tuple(r,g,b in 0~255).
3. A int to point out the index in colorscheme.
'''
def __init__(self, label, name=wxpg.LABEL_AS_NAME, value=''):
wxpg.PyProperty.__init__(self, label, name)
self.SetValue(value)
def GetClassName(self):
return 'DotColorProperty'
def GetEditor(self):
return "TextCtrlAndButton"
def StringToValue(self, s, flags):
s = remove_double_quote(s).strip()
# For emtpy value.
if s == '':
return True, None
# Try to parse hex string.
if s[0] == '#':
try:
if len(s) == 7: # RGB.
r, g, b = colour.hex2rgb(s)
return True, (255*r,255*g,255*b)
elif len(s) == 9: # RGBA.
r, g, b = colour.hex2rgb(s[:-2])
a = int(s[-2:], 16)
return True, (255*r,255*g,255*b,a)
else:
return False
except:
return False
# Try to parse HSV string.
elif s[0].isdigit() or s[0] == '.': # Try to parse numbers
try:
# If get single int value.
if s.isdigit():
return True, int(s)
else:
h,s,v = map(float, s.split(' '))
rgb = wx.Image.HSVtoRGB(wx.Image_HSVValue(h,s,v))
return True, (rgb.red, rgb.green, rgb.blue)
except:
return False
# Color in string.
else:
scheme = self.__get_current_scheme()
if scheme is None:
return True, s
colors = get_colors_in_schcme(scheme).keys()
if s.lower() not in colors:
return False
return True, s
def ValueToString(self, value, flags):
if value is None:
return ''
if isinstance(value, basestring):
return value
elif isinstance(value, types.IntType):
return str(value)
elif isinstance(value, types.TupleType):
if len(value) == 3:
return '#%02x%02x%02x'%value
elif len(value) == 4:
return '#%02x%02x%02x%02x'%value
else:
return ''
else:
return ''
def __get_current_scheme(self):
# Get the colorscheme in the same propgrid.
grid = self.GetGrid()
if grid is None:
return None
cs_pg = grid.GetPropertyByLabel('colorscheme')
if cs_pg is None:
return None
scheme = cs_pg.GetValue().lower().strip()
return scheme
def OnEvent(self, propgrid, primaryEditor, event):
if event.GetEventType() == wx.wxEVT_COMMAND_BUTTON_CLICKED:
scheme = self.__get_current_scheme()
if scheme is None:
scheme = 'x11'
dlg = CSCDialog(propgrid, scheme)
if isinstance(self.m_value, basestring):
dlg.SetColorString(self.m_value)
if dlg.ShowModal() == wx.ID_OK:
color = dlg.GetColorString()
self.m_value = color
self.SetValueInEvent(color)
return True
return False
def SetChoices(self, choices):
self.choices = choices
def DoGetValue(self):
c_str = self.ValueToString(self.m_value, None)
return c_str
class DotEnumProperty(wxpg.PyProperty):
def __init__(self, label, name=wxpg.LABEL_AS_NAME, value=''):
wxpg.PyProperty.__init__(self, label, name)
self.SetValue(value)
def GetClassName(self):
return 'DotEnumProperty'
def GetEditor(self):
return "ComboBox"
def StringToValue(self, s, flags):
if s == '' or s in self.GetChoices().GetLabels():
return True, s
else:
return False
def ValueToString(self, value, flags):
return str(value)
class DotEnumCombineProperty(wxpg.PyProperty):
def __init__(self, label, name=wxpg.LABEL_AS_NAME, value=''):
wxpg.PyProperty.__init__(self, label, name)
self.SetValue(value)
def GetClassName(self):
return 'DotEnumCombineProperty'
def GetEditor(self):
return "TextCtrlAndButton"
def OnEvent(self, propgrid, primaryEditor, event):
if event.GetEventType() == wx.wxEVT_COMMAND_BUTTON_CLICKED:
dlg = wx.MultiChoiceDialog(propgrid,'Check all wanted %ss below:'%self.GetLabel(),'Make Choices',self.choices)
if len(self.m_value.strip()) > 0:
sels = [ self.choices.index(x.strip()) for x in self.m_value.split(',') ]
dlg.SetSelections(sels)
if dlg.ShowModal() == wx.ID_OK:
sels = dlg.GetSelections()
if len(sels) == 0:
self.m_value = ''
return True
v = ''
for idx in sels:
v += self.choices[idx] +', '
v = v[:-2]
self.m_value = v
self.SetValueInEvent(v)
return True
return False
def SetChoices(self, choices):
self.choices = choices
def StringToValue(self, s, flags):
s = s.strip()
if s == '':
return True, s
styles = s.split(',')
for sty in styles:
if sty.strip() not in self.choices:
return False
return True, s
def ValueToString(self, value, flags):
return str(value)
class DotEnumNodeShapeProperty(wxpg.PyProperty):
def __init__(self, label, name=wxpg.LABEL_AS_NAME, value=''):
wxpg.PyProperty.__init__(self, label, name)
self.SetValue(value)
self.choices = AttrsDef.E_SHAPE
def GetClassName(self):
return 'DotEnumNodeShapeProperty'
def GetEditor(self):
return "TextCtrlAndButton"
def OnEvent(self, propgrid, primaryEditor, event):
if event.GetEventType() == wx.wxEVT_COMMAND_BUTTON_CLICKED:
dlg = NodeShapeDialog.get_dialog(propgrid)
# Set the current value.
if self.m_value:
dlg.SetSelectedString(self.m_value)
if dlg.ShowModal() == wx.ID_OK:
v = dlg.GetSelectedString()
self.m_value = v
self.SetValueInEvent(v)
return True
return False
def StringToValue(self, s, flags):
s = s.strip()
if s == '' or s in self.choices:
return True, s
else:
return False
return False
def ValueToString(self, value, flags):
return str(value)
class DotEnumArrowTypeProperty(wxpg.PyProperty):
def __init__(self, label, name=wxpg.LABEL_AS_NAME, value=''):
wxpg.PyProperty.__init__(self, label, name)
self.SetValue(value)
def GetClassName(self):
return 'DotEnumArrowTypeProperty'
def GetEditor(self):
return "TextCtrlAndButton"
def OnEvent(self, propgrid, primaryEditor, event):
if event.GetEventType() == wx.wxEVT_COMMAND_BUTTON_CLICKED:
dlg = ATDialog.get_dialog(propgrid)
# Show the current arrow_type in m_value.
if self.m_value:
dlg.setArrayType(self.m_value)
if dlg.ShowModal() == wx.ID_OK:
v = dlg.getArrowType()
self.m_value = v
self.SetValueInEvent(v)
return True
return False
def StringToValue(self, s, flags):
s = s.strip()
a_names = AttrsDef.E_ARROWTYPE
test = re.compile(r'(?i)o{0,1}(l|r){0,1}(%s)\b'%('|'.join(a_names)))
if test.match(s) is None:
return False
else:
return True, s
def ValueToString(self, value, flags):
return str(value)
class DotEditEnumProperty(wxpg.PyStringProperty):
def GetEditor(self):
return "ComboBox"
map_type2class = {'string': DotStringProperty,
'bigstring': DotBigStringProperty,
'int': wxpg.UIntProperty,
'bool': wxpg.BoolProperty,
'float': DotFloatProperty,
'color': DotColorProperty,
'colorscheme': DotColorSchemeProperty,
'enum': DotEnumProperty,
'enum_edit': DotEditEnumProperty,
'enum_combine': DotEnumCombineProperty,
'enum_nodeshape': DotEnumNodeShapeProperty,
'enum_arrowtype': DotEnumArrowTypeProperty,
'img_file': wxpg.ImageFileProperty,
}
def buildPG(attr_name, g_type):
'''Build PropGridProperty instance by attr_name and g_type.'''
info = AttrsDef.get_dot_attr(attr_name, g_type)
pg_class = map_type2class[info['type']]
pg_item = pg_class(attr_name)
if info['type'] in ['enum', 'enum_edit', 'enum_combine']:
pg_item.SetChoices(info['param'])
#elif info['type'] == 'bool':
# pg_item.SetEditor('CheckBox')
elif info['type'] == 'img_file':
pg_item.SetAttribute(wxpg.PG_FILE_WILDCARD,
"Support Image File (*.png;*.gif)|*.png;*.gif"+\
"|PNG File (*.png)|*.png"+\
"|Gif File (*.gif)|*.gif")
v = info['default_value']
if v is None:
pg_item.SetDefaultValue('')
else:
if info['type'] == 'bool':
bv = False
if v in [True, 'true', '1', 1]:
bv = True
pg_item.SetDefaultValue(bv)
pg_item.SetValue(bv)
else:
pg_item.SetDefaultValue(str(v).strip())
pg_item.SetValueFromString(str(v))
pg_item.SetHelpString(info['description'])
return pg_item