def setupArgs(self, ctrlName, params, dontEval, evalDct):
""" Create a dictionary of parameters for the constructor of the
control from a dictionary of string/source parameters.
Catches design time parameter overrides.
"""
args = {}
# Build dictionary of params
for paramKey in params.keys():
value = params[paramKey]
## function references in the constructor
#if len(value) >= 11 and value[:11] == 'self._init_':
# continue
# collItem = methodparse.CollectionInitParse(value)
# self.addCollView(paramKey, collItem.method, False)
if paramKey in dontEval:
args[paramKey] = params[paramKey]
else:
try:
args[paramKey] = PaletteMapping.evalCtrl(params[paramKey],
evalDct)
except AttributeError:
args[paramKey] = PaletteMapping.evalCtrl(params[paramKey],
{'self': self.controllerView.objectNamespace})
return args
def readCustomClasses(self, mod, cls):
""" Read definition for Custom Classes
Custom Classes can be defined as a class attribute named _custom_classes
containing a dictionary defining wxPython classes and their custom
equivalents, e.g.
_custom_classes = {'wx.TreeCtrl': ['MyTreeCtrl', 'AdvancedTreeCtrl']}
These custom classes will then be available to the Designer
and will act as equivalent to the corresponding wxPython class,
but will generate source for the custom definition.
One implication is that you loose the constructor. Because Boa
will generate the creation code for the object, the constructor
signature has to be the same as the wxPython class.
"""
res = {}
if cls.class_attributes.has_key('_custom_classes'):
try:
import PaletteMapping
cls_attr = cls.class_attributes['_custom_classes'][0]
attr_val = cls_attr.signature
srcline = cls_attr.start
# multiline parser ;)
while 1:
try:
custClasses = PaletteMapping.evalCtrl(attr_val,
preserveExc=True)
assert type(custClasses) == type({})
break
except SyntaxError, err:
if err[0] == 'unexpected EOF while parsing':
attr_val = attr_val + mod.source[srcline].strip()
srcline = srcline + 1
else:
raise
except Exception, err:
raise Exception, _('_custom_classes is not valid: ') + str(err)
for wxClassName, customs in custClasses.items():
wxClass = PaletteMapping.evalCtrl(wxClassName)
res[wxClassName] = wxClass
for custom in customs:
# to combine frame attrs with custom classes a phony
# self object is created to resolve the class name
# during frame creation
if custom.startswith('self.'):
if not 'self' in res:
res['self'] = _your_frame_attrs_()
setattr(res['self'], custom[5:], wxClass)
else:
res[custom] = wxClass
def readCustomClasses(self, mod, cls):
""" Read definition for Custom Classes
Custom Classes can be defined as a class attribute named _custom_classes
containing a dictionary defining wxPython classes and their custom
equivalents, e.g.
_custom_classes = {'wx.TreeCtrl': ['MyTreeCtrl', 'AdvancedTreeCtrl']}
These custom classes will then be available to the Designer
and will act as equivalent to the corresponding wxPython class,
but will generate source for the custom definition.
One implication is that you loose the constructor. Because Boa
will generate the creation code for the object, the constructor
signature has to be the same as the wxPython class.
"""
res = {}
if cls.class_attributes.has_key('_custom_classes'):
try:
import PaletteMapping
cls_attr = cls.class_attributes['_custom_classes'][0]
attr_val = cls_attr.signature
srcline = cls_attr.start
# multiline parser ;)
while 1:
try:
custClasses = PaletteMapping.evalCtrl(attr_val, preserveExc=True)
assert type(custClasses) == type({})
break
except SyntaxError, err:
if err[0] == 'unexpected EOF while parsing':
attr_val = attr_val + mod.source[srcline].strip()
srcline = srcline + 1
else:
raise
except Exception, err:
raise Exception, _('_custom_classes is not valid: ')+str(err)
for wxClassName, customs in custClasses.items():
wxClass = PaletteMapping.evalCtrl(wxClassName)
res[wxClassName] = wxClass
for custom in customs:
# to combine frame attrs with custom classes a phony
# self object is created to resolve the class name
# during frame creation
if custom.startswith('self.'):
if not 'self' in res:
res['self'] = _your_frame_attrs_()
setattr(res['self'], custom[5:], wxClass)
else:
res[custom] = wxClass
def refreshCtrl(self):
self.DeleteAllItems()
if self.model.objectCollections.has_key(self.collectionMethod):
objCol = self.model.objectCollections[self.collectionMethod]
objCol.indexOnCtrlName()
else:
objCol = ObjCollection.ObjectCollection()
creators = {}
for ctrl in objCol.creators:
if ctrl.comp_name:
creators[ctrl.comp_name] = ctrl
for name in self.objectOrder:
idx = -1
ctrl = creators[name]
className = ctrl.class_name
try:
ClassObj = PaletteMapping.evalCtrl(className)
except NameError:
if className in self.model.customClasses:
ClassObj = self.model.customClasses[className]
else:
idx = self.il.Add(PaletteStore.bitmapForComponent(className,
'Component'))
else:
className = ClassObj.__name__
if idx == -1:
idx = self.il.Add(PaletteStore.bitmapForComponent(ClassObj))
self.InsertImageStringItem(self.GetItemCount(), '%s : %s' % (
ctrl.comp_name, className), idx)
self.opened = True
def initObjProps(self, props, name, creator, dependents, depLinks):
""" Initialise property list by evaluating 1st parameter and calling
prop's setter with it.
Also associate companion name with prop parse objs """
# XXX creator not used
if props.has_key(name):
comp, ctrl = self.objects[name][0:2]
# initialise live component's properies
for prop in props[name]:
prop.prop_name = comp.getPropNameFromSetter(prop.prop_setter)
# Dependent properties
if prop.prop_name in comp.dependentProps():
self.addDepLink(prop, name, dependents, depLinks)
# Collection initialisers
elif len(prop.params) and prop.params[0][:11] == 'self._init_':
collItem = methodparse.CollectionInitParse(prop.params[0])
self.addCollView(name, collItem.method, False)
# Check for custom evaluator
elif comp.customPropEvaluators.has_key(prop.prop_name):
args = comp.customPropEvaluators[prop.prop_name](
prop.params, self.getAllObjects())
# XXX This is a hack !!!
# XXX argument list with more than one prop value are
# XXX initialised thru the companion instead of the control
if prop.prop_name in comp.initPropsThruCompanion:
getattr(comp, prop.prop_setter)(*(args, ))
else:
getattr(ctrl, prop.prop_setter)(*args)
# Check for pops which don't update the control
elif prop.prop_name in comp.onlyPersistProps():
continue
# Normal property, eval value and apply it
else:
try:
value = PaletteMapping.evalCtrl(
prop.params[0], self.model.specialAttrs)
except AttributeError, name:
value = PaletteMapping.evalCtrl(
prop.params[0],
{'self': self.controllerView.objectNamespace})
except:
print _('Problem with: %s') % prop.asText()
raise
def initObjProps(self, props, name, creator, dependents, depLinks):
""" Initialise property list by evaluating 1st parameter and calling
prop's setter with it.
Also associate companion name with prop parse objs """
# XXX creator not used
if props.has_key(name):
comp, ctrl = self.objects[name][0:2]
# initialise live component's properies
for prop in props[name]:
prop.prop_name = comp.getPropNameFromSetter(prop.prop_setter)
# Dependent properties
if prop.prop_name in comp.dependentProps():
self.addDepLink(prop, name, dependents, depLinks)
# Collection initialisers
elif len(prop.params) and prop.params[0][:11] == 'self._init_':
collItem = methodparse.CollectionInitParse(prop.params[0])
self.addCollView(name, collItem.method, False)
# Check for custom evaluator
elif comp.customPropEvaluators.has_key(prop.prop_name):
args = comp.customPropEvaluators[prop.prop_name](prop.params,
self.getAllObjects())
# XXX This is a hack !!!
# XXX argument list with more than one prop value are
# XXX initialised thru the companion instead of the control
if prop.prop_name in comp.initPropsThruCompanion:
getattr(comp, prop.prop_setter)(*(args,))
else:
getattr(ctrl, prop.prop_setter)(*args)
# Check for pops which don't update the control
elif prop.prop_name in comp.onlyPersistProps():
continue
# Normal property, eval value and apply it
else:
try:
value = PaletteMapping.evalCtrl(prop.params[0],
self.model.specialAttrs)
except AttributeError, name:
value = PaletteMapping.evalCtrl(prop.params[0],
{'self': self.controllerView.objectNamespace})
except:
print _('Problem with: %s') % prop.asText()
raise
def initObjCreator(self, constrPrs):
# Assumes all design time ctrls are imported in global scope
try:
ctrlClass = PaletteMapping.evalCtrl(constrPrs.class_name,
self.model.customClasses)
except NameError:
raise DesignerError, \
_('%s is not defined on the Palette.')%constrPrs.class_name
try:
ctrlCompnClass = PaletteMapping.compInfo[ctrlClass][1]
except KeyError:
raise DesignerError, \
_('%s is not defined on the Palette.')%ctrlClass.__name__
else:
ctrlName = self.loadControl(ctrlClass, ctrlCompnClass,
constrPrs.comp_name, constrPrs.params)
ctrlCompn = self.objects[ctrlName][0]
ctrlCompn.setConstr(constrPrs)
def refreshCtrl(self):
self.DeleteAllItems()
if self.model.objectCollections.has_key(self.collectionMethod):
objCol = self.model.objectCollections[self.collectionMethod]
objCol.indexOnCtrlName()
else:
objCol = ObjCollection.ObjectCollection()
creators = {}
for ctrl in objCol.creators:
if ctrl.comp_name:
creators[ctrl.comp_name] = ctrl
for name in self.objectOrder:
idx = -1
ctrl = creators[name]
className = ctrl.class_name
try:
ClassObj = PaletteMapping.evalCtrl(className)
except NameError:
if className in self.model.customClasses:
ClassObj = self.model.customClasses[className]
else:
idx = self.il.Add(
PaletteStore.bitmapForComponent(
className, 'Component'))
else:
className = ClassObj.__name__
if idx == -1:
idx = self.il.Add(PaletteStore.bitmapForComponent(ClassObj))
self.InsertImageStringItem(self.GetItemCount(),
'%s : %s' % (ctrl.comp_name, className),
idx)
self.opened = True
def eval(self, expr):
import PaletteMapping
return PaletteMapping.evalCtrl(expr, vars(Preferences))
def eval(self, expr):
import PaletteMapping
return PaletteMapping.evalCtrl(expr, vars(Preferences))
class BaseFrameModel(ClassModel):
""" Base class for all frame type models that can be opened in the Designer
This class is responsible for parsing the _init_* methods generated by the
Designer and maintaining other special values like window id declarations
"""
modelIdentifier = 'Frames'
dialogLook = False
Companion = BaseCompanions.DesignTimeCompanion
def __init__(self, data, name, main, editor, saved, app=None):
ClassModel.__init__(self, data, name, main, editor, saved, app)
self.designerTool = None
self.specialAttrs = {}
self.defCreateClass = sourceconst.defCreateClass
self.defClass = sourceconst.defClass
self.defImport = sourceconst.defImport
self.defWindowIds = sourceconst.defWindowIds
self.defSrcVals = {}
def renameMain(self, oldName, newName):
""" Rename the main class of the module """
ClassModel.renameMain(self, oldName, newName)
if self.getModule().functions.has_key('create'):
self.getModule().replaceFunctionBody(
'create', [' return %s(parent)' % newName, ''])
def renameCtrl(self, oldName, newName):
# Currently DesignerView maintains ctrls
pass
def new(self, params):
""" Create a new frame module """
paramLst = []
for param in params.keys():
paramLst.append(Preferences.cgKeywordArgFormat % {
'keyword': param,
'value': params[param]
})
# XXX Refactor line wrappers to Utils and wrap this
paramStr = 'self, ' + ', '.join(paramLst)
srcValsDict = {
'modelIdent': self.modelIdentifier,
'main': self.main,
'idNames': Utils.windowIdentifier(self.main, ''),
'idIdent': sourceconst.init_ctrls,
'idCount': 1,
'defaultName': self.defaultName,
'params': paramStr
}
srcValsDict.update(self.defSrcVals)
self.data = (sourceconst.defSig + self.defImport + \
self.defCreateClass + self.defWindowIds + \
self.defClass) % srcValsDict
self.savedAs = False
self.modified = True
self.initModule()
self.notify()
def identifyCollectionMethods(self):
""" Return a list of all _init_* methods in the class """
results = []
module = self.getModule()
if module.classes.has_key(self.main):
main = module.classes[self.main]
for meth in main.methods.keys():
if len(meth) > len('_init_') and meth[:6] == '_init_':
results.append(meth)
return results
def allObjects(self):
views = ['Data', 'Designer']
order = []
objs = {}
for view in views:
order.extend(self.views[view].objectOrder)
objs.update(self.views[view].objects)
return order, objs
def readDesignerMethod(self, meth, codeBody):
""" Create a new ObjectCollection by parsing the given method body """
from Views import ObjCollection
import methodparse
# Collection method
if ObjCollection.isInitCollMeth(meth):
ctrlName = methodparse.ctrlNameFromMeth(meth)
try:
res = Utils.split_seq(codeBody, '', string.strip)
inits, body, fins = res[:3]
except ValueError:
raise Exception, _(
'Collection body %s not in init, body, fin form') % meth
allInitialisers, unmatched = methodparse.parseMixedBody(\
[methodparse.EventParse, methodparse.CollectionItemInitParse],body)
creators = allInitialisers.get(methodparse.CollectionItemInitParse,
[])
collectionInits = []
properties = []
events = allInitialisers.get(methodparse.EventParse, [])
methodparse.decorateParseItems(creators + events, ctrlName,
self.main)
# Normal method
else:
inits = []
fins = []
allInitialisers, unmatched = methodparse.parseMixedBody(\
[methodparse.ConstructorParse, methodparse.EventParse,
methodparse.CollectionInitParse, methodparse.PropertyParse],
codeBody)
creators = allInitialisers.get(methodparse.ConstructorParse, [])
collectionInits = allInitialisers.get(
methodparse.CollectionInitParse, [])
properties = allInitialisers.get(methodparse.PropertyParse, [])
events = allInitialisers.get(methodparse.EventParse, [])
newObjColl = ObjCollection.ObjectCollection()
newObjColl.setup(creators, properties, events, collectionInits, inits,
fins)
if unmatched:
wx.LogWarning(_('The following lines were not used by the Designer '\
'and will be lost:\n'))
for line in unmatched:
wx.LogWarning(line)
wx.LogWarning(_('\nThere were unprocessed lines in the source code of '\
'method: %s\nIf this was unexpected, it is advised '\
'that you cancel this Designer session and correct '\
'the problem before continuing.')%meth)
return newObjColl
def readSpecialAttrs(self, mod, cls):
""" Read special attributes from __init__ method.
All instance attributes defined between the top of the __init__ method
and the _init_ctrls() method call will be available to the Designer
as valid names bound to properties.
For an attribute to qualify, it has to have a simple deduceable type;
Python builtin or wxPython objects.
If for example the attribute is bound to a variable passed in as a
parameter, you have to first initialise it to a literal of the same
type. This value will be used at design time.
e.g. def __init__(self, parent, myFrameCaption):
self.frameCaption = 'Design time frame caption'
self.frameCaption = myFrameCaption
self._init_ctrls(parent)
Now you may add this attribute as a parameter or property value
in the source by hand.
In the Inspector property values recognised as special attributes
will display as bold values and cannot be edited (yet).
"""
initMeth = cls.methods['__init__']
# determine end of attrs and possible external attrs init
startline = initMeth.start
extAttrInitLine = -1
extAttrInitName = ''
for idx in range(startline, initMeth.end):
line = mod.source[idx].strip()
if line.startswith('self._init_ctrls('):
endline = idx
break
elif line.find('_AttrMixin.__init__(self') != -1:
extAttrInitLine = idx
extAttrInitName = line.split('.__init__')[0]
else:
raise Exception, 'self._init_ctrls not found in __init__'
# build list of attrs
attrs = []
def readAttrsFromSrc(attrs, attributes, source, startline, endline):
for attr, blocks in attributes.items():
for block in blocks:
if startline <= block.start <= endline and attr not in attrs:
linePos = block.start - 1
line = source[linePos]
val = line[line.find('=') + 1:].strip()
# handle lines continued with ,
while val.endswith(','):
linePos += 1
val += source[linePos].strip()
attrs.append((attr, val))
if extAttrInitName:
if not mod.from_imports_names.has_key(extAttrInitName):
raise Exception, '%s.__init__ called, but not imported in the form: '\
'from [ModuleName] import %s'%(extAttrInitName, extAttrInitName)
# try to load external attrs
extModName = mod.from_imports_names[extAttrInitName]
extModFilename = os.path.join(os.path.dirname(self.filename),
extModName + '.py')
from Explorers.Explorer import openEx
try:
data = openEx(extModFilename).load()
except Exception, error:
raise Exception, 'Problem loading %s: File expected at: %s' % (
extModName, extModFilename)
exModModel = ModuleModel(data, extModFilename, self.editor, 1)
extModule = exModModel.getModule()
extClass = extModule.classes[extAttrInitName]
extMeth = extClass.methods['__init__']
readAttrsFromSrc(attrs, extClass.attributes, extModule.source,
extMeth.start, extMeth.end)
readAttrsFromSrc(attrs, cls.attributes, mod.source, startline, endline)
import PaletteMapping
# build a dictionary that can be passed to eval
evalNS = _your_frame_attrs_()
for attr, code in attrs:
if hasattr(evalNS, attr):
continue
try:
val = PaletteMapping.evalCtrl(code)
except Exception, err:
print str(err)
continue
else:
setattr(evalNS, attr, val)
