appypod-rattail/gen/plone25/model.py

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2009-06-29 07:06:01 -05:00
'''This file contains basic classes that will be added into any user
application for creating the basic structure of the application "Tool" which
is the set of web pages used for configuring the application. The "Tool" is
available to administrators under the standard Plone link "site setup". Plone
itself is shipped with several tools used for conguring the various parts of
Plone (content types, catalogs, workflows, etc.)'''
# ------------------------------------------------------------------------------
import copy, types
from appy.gen import Type, Integer, String, File, Ref, Boolean
# ------------------------------------------------------------------------------
class ModelClass:
'''This class is the abstract class of all predefined application classes
used in the Appy model: Tool, Flavour, PodTemplate, etc. All methods and
attributes of those classes are part of the Appy machinery and are
prefixed with _appy_ in order to avoid name conflicts with user-defined
parts of the application model.'''
_appy_attributes = [] # We need to keep track of attributes order.
_appy_notinit = ('id', 'type', 'pythonType', 'slaves', 'selfClass',
'phase', 'pageShow', 'isSelect') # When creating a new
# instance of a ModelClass, those attributes must not be
# given in the constructor.
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def _appy_addField(klass, fieldName, fieldType, classDescr):
exec "klass.%s = fieldType" % fieldName
klass._appy_attributes.append(fieldName)
if hasattr(klass, '_appy_classes'):
klass._appy_classes[fieldName] = classDescr.name
_appy_addField = classmethod(_appy_addField)
def _appy_getTypeBody(klass, appyType):
'''This method returns the code declaration for p_appyType.'''
typeArgs = ''
for attrName, attrValue in appyType.__dict__.iteritems():
if attrName in ModelClass._appy_notinit:
continue
if isinstance(attrValue, basestring):
attrValue = '"%s"' % attrValue
elif isinstance(attrValue, Type):
attrValue = klass._appy_getTypeBody(attrValue)
elif type(attrValue) == type(ModelClass):
moduleName = attrValue.__module__
if moduleName.startswith('appy.gen'):
attrValue = attrValue.__name__
else:
attrValue = '%s.%s' % (moduleName, attrValue.__name__)
typeArgs += '%s=%s,' % (attrName, attrValue)
return '%s(%s)' % (appyType.__class__.__name__, typeArgs)
_appy_getTypeBody = classmethod(_appy_getTypeBody)
def _appy_getBody(klass):
'''This method returns the code declaration of this class. We will dump
this in appyWrappers.py in the resulting product.'''
res = ''
for attrName in klass._appy_attributes:
exec 'appyType = klass.%s' % attrName
res += ' %s=%s\n' % (attrName, klass._appy_getTypeBody(appyType))
return res
_appy_getBody = classmethod(_appy_getBody)
class PodTemplate(ModelClass):
description = String(format=String.TEXT)
podTemplate = File(multiplicity=(1,1))
podFormat = String(validator=['odt', 'pdf', 'rtf', 'doc'],
multiplicity=(1,1), default='odt')
phase = String(default='main')
_appy_attributes = ['description', 'podTemplate', 'podFormat', 'phase']
defaultFlavourAttrs = ('number', 'enableNotifications')
flavourAttributePrefixes = ('optionalFieldsFor', 'defaultValueFor',
'podTemplatesFor', 'podMaxShownTemplatesFor', 'resultColumnsFor',
'showWorkflowFor', 'showWorkflowCommentFieldFor', 'showAllStatesInPhaseFor')
# Attribute prefixes of the fields generated on the Flavour for configuring
# the application classes.
class Flavour(ModelClass):
'''For every application, the Flavour may be different (it depends on the
fields declared as optional, etc). Instead of creating a new way to
generate the Archetypes Flavour class, we create a silly
FlavourStub instance and we will use the standard Archetypes
generator that generates classes from the application to generate the
flavour class.'''
number = Integer(default=1, show=False)
enableNotifications = Boolean(default=True, page='notifications')
_appy_classes = {} # ~{s_attributeName: s_className}~
# We need to remember the original classes related to the flavour attributes
_appy_attributes = list(defaultFlavourAttrs)
def _appy_clean(klass):
toClean = []
for k, v in klass.__dict__.iteritems():
if not k.startswith('__') and (not k.startswith('_appy_')):
if k not in defaultFlavourAttrs:
toClean.append(k)
for k in toClean:
exec 'del klass.%s' % k
klass._appy_attributes = list(defaultFlavourAttrs)
klass._appy_classes = {}
_appy_clean = classmethod(_appy_clean)
def _appy_copyField(klass, appyType):
'''From a given p_appyType, produce a type definition suitable for
storing the default value for this field.'''
res = copy.copy(appyType)
res.editDefault = False
res.optional = False
res.show = True
res.phase = 'main'
res.specificReadPermission = False
res.specificWritePermission = False
res.multiplicity = (0, appyType.multiplicity[1])
if type(res.validator) == types.FunctionType:
# We will not be able to call this function from the flavour.
res.validator = None
if isinstance(appyType, Ref):
res.link = True
res.add = False
res.back = copy.copy(appyType.back)
res.back.attribute += 'DefaultValue'
res.back.show = False
res.select = None # Not callable from flavour
return res
_appy_copyField = classmethod(_appy_copyField)
def _appy_addOptionalField(klass, fieldDescr):
className = fieldDescr.classDescr.name
fieldName = 'optionalFieldsFor%s' % className
fieldType = getattr(klass, fieldName, None)
if not fieldType:
fieldType = String(multiplicity=(0,None))
fieldType.validator = []
klass._appy_addField(fieldName, fieldType, fieldDescr.classDescr)
fieldType.validator.append(fieldDescr.fieldName)
fieldType.page = 'data'
fieldType.group = fieldDescr.classDescr.klass.__name__
_appy_addOptionalField = classmethod(_appy_addOptionalField)
def _appy_addDefaultField(klass, fieldDescr):
className = fieldDescr.classDescr.name
fieldName = 'defaultValueFor%s_%s' % (className, fieldDescr.fieldName)
fieldType = klass._appy_copyField(fieldDescr.appyType)
klass._appy_addField(fieldName, fieldType, fieldDescr.classDescr)
fieldType.page = 'data'
fieldType.group = fieldDescr.classDescr.klass.__name__
_appy_addDefaultField = classmethod(_appy_addDefaultField)
def _appy_addPodField(klass, classDescr):
'''Adds a POD field to the flavour and also an integer field that will
determine the maximum number of documents to show at once on consult
views. If this number is reached, a list is displayed.'''
# First, add the POD field that will hold PodTemplates.
fieldType = Ref(PodTemplate, multiplicity=(0,None), add=True,
link=False, back = Ref(attribute='flavour'),
page="documentGeneration",
group=classDescr.klass.__name__)
fieldName = 'podTemplatesFor%s' % classDescr.name
klass._appy_addField(fieldName, fieldType, classDescr)
# Then, add the integer field
fieldType = Integer(default=1, page='userInterface',
group=classDescr.klass.__name__)
fieldName = 'podMaxShownTemplatesFor%s' % classDescr.name
klass._appy_addField(fieldName, fieldType, classDescr)
classDescr.flavourFieldsToPropagate.append(
('podMaxShownTemplatesFor%s', copy.copy(fieldType)) )
_appy_addPodField = classmethod(_appy_addPodField)
def _appy_addQueryResultColumns(klass, classDescr):
className = classDescr.name
fieldName = 'resultColumnsFor%s' % className
attrNames = [a[0] for a in classDescr.getOrderedAppyAttributes()]
attrNames.append('workflowState') # Object state from workflow
if 'title' in attrNames:
attrNames.remove('title') # Included by default.
fieldType = String(multiplicity=(0,None), validator=attrNames,
page='userInterface',
group=classDescr.klass.__name__)
klass._appy_addField(fieldName, fieldType, classDescr)
_appy_addQueryResultColumns = classmethod(_appy_addQueryResultColumns)
def _appy_addWorkflowFields(klass, classDescr):
'''Adds, for a given p_classDescr, the workflow-related fields.'''
className = classDescr.name
groupName = classDescr.klass.__name__
# Adds a field allowing to show/hide completely any workflow-related
# information for a given class.
defaultValue = False
if classDescr.isRoot() or issubclass(classDescr.klass, ModelClass):
defaultValue = True
fieldName = 'showWorkflowFor%s' % className
fieldType = Boolean(default=defaultValue, page='userInterface',
group=groupName)
klass._appy_addField(fieldName, fieldType, classDescr)
# Adds the boolean field for showing or not the field "enter comments".
fieldName = 'showWorkflowCommentFieldFor%s' % className
fieldType = Boolean(default=defaultValue, page='userInterface',
group=groupName)
klass._appy_addField(fieldName, fieldType, classDescr)
# Adds the boolean field for showing all states in current state or not.
# If this boolean is True but the current phase counts only one state,
# we will not show the state at all: the fact of knowing in what phase
# we are is sufficient. If this boolean is False, we simply show the
# current state.
defaultValue = False
if len(classDescr.getPhases()) > 1:
defaultValue = True
fieldName = 'showAllStatesInPhaseFor%s' % className
fieldType = Boolean(default=defaultValue, page='userInterface',
group=groupName)
klass._appy_addField(fieldName, fieldType, classDescr)
_appy_addWorkflowFields = classmethod(_appy_addWorkflowFields)
class Tool(ModelClass):
flavours = Ref(None, multiplicity=(1,None), add=True, link=False,
back=Ref(attribute='tool'))
# First arg is None because we don't know yet if it will link
# to the predefined Flavour class or a custom class defined
# in the application.
unoEnabledPython = String(group="connectionToOpenOffice")
openOfficePort = Integer(default=2002, group="connectionToOpenOffice")
numberOfResultsPerPage = Integer(default=30)
listBoxesMaximumWidth = Integer(default=100)
_appy_attributes = ['flavours', 'unoEnabledPython', 'openOfficePort',
'numberOfResultsPerPage', 'listBoxesMaximumWidth']
# ------------------------------------------------------------------------------