'''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 * # ------------------------------------------------------------------------------ class ModelClass: '''This class is the abstract class of all predefined application classes used in the Appy model: Tool, User, 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. # When creating a new instance of a ModelClass, the following attributes # must not be given in the constructor (they are computed attributes). _appy_notinit = ('id', 'type', 'pythonType', 'slaves', 'phase', 'pageShow', 'isSelect', 'hasLabel', 'hasDescr', 'hasHelp', 'master_css', 'layouts', 'required', 'filterable', 'validable', 'backd', 'isBack', 'sync') @classmethod 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 @classmethod 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, Ref): if attrValue.isBack: attrValue = klass._appy_getTypeBody(attrValue) else: continue elif type(attrValue) == type(ModelClass): moduleName = attrValue.__module__ if moduleName.startswith('appy.gen'): attrValue = attrValue.__name__ else: attrValue = '%s.%s' % (moduleName, attrValue.__name__) elif isinstance(attrValue, Selection): attrValue = 'Selection("%s")' % attrValue.methodName elif isinstance(attrValue, Group): attrValue = 'Group("%s")' % attrValue.name elif type(attrValue) == types.FunctionType: attrValue = '%sWrapper.%s'% (klass.__name__, attrValue.__name__) typeArgs += '%s=%s,' % (attrName, attrValue) return '%s(%s)' % (appyType.__class__.__name__, typeArgs) @classmethod 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 # The User class --------------------------------------------------------------- class User(ModelClass): # In a ModelClass we need to declare attributes in the following list. _appy_attributes = ['title', 'name', 'firstName', 'login', 'password1', 'password2', 'roles'] # All methods defined below are fake. Real versions are in the wrapper. title = String(show=False) gm = {'group': 'main', 'multiplicity': (1,1)} name = String(**gm) firstName = String(**gm) def showLogin(self): pass def validateLogin(self): pass login = String(show=showLogin, validator=validateLogin, indexed=True, **gm) def showPassword(self): pass def validatePassword(self): pass password1 = String(format=String.PASSWORD, show=showPassword, validator=validatePassword, **gm) password2 = String(format=String.PASSWORD, show=showPassword, **gm) gm['multiplicity'] = (0, None) roles = String(validator=Selection('getGrantableRoles'), **gm) # The Tool class --------------------------------------------------------------- # Here are the prefixes of the fields generated on the Tool. toolFieldPrefixes = ('defaultValue', 'podTemplate', 'formats', 'resultColumns', 'enableAdvancedSearch', 'numberOfSearchColumns', 'searchFields', 'optionalFields', 'showWorkflow', 'showWorkflowCommentField', 'showAllStatesInPhase') defaultToolFields = ('users', 'enableNotifications', 'unoEnabledPython', 'openOfficePort', 'numberOfResultsPerPage', 'listBoxesMaximumWidth') class Tool(ModelClass): # The following dict allows us to remember the original classes related to # the attributes we will add due to params in user attributes. _appy_classes = {} # ~{s_attributeName: s_className}~ # In a ModelClass we need to declare attributes in the following list. _appy_attributes = list(defaultToolFields) # Tool attributes # First arg of Ref field below is None because we don't know yet if it will # link to the predefined User class or a custom class defined in the # application. users = Ref(None, multiplicity=(0,None), add=True, link=False, back=Ref(attribute='toTool'), page='users', shownInfo=('login', 'title', 'roles'), showHeaders=True) enableNotifications = Boolean(default=True, page='notifications') def validPythonWithUno(self, value): pass # Real method in the wrapper unoEnabledPython = String(group="connectionToOpenOffice", validator=validPythonWithUno) openOfficePort = Integer(default=2002, group="connectionToOpenOffice") numberOfResultsPerPage = Integer(default=30) listBoxesMaximumWidth = Integer(default=100) @classmethod 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 defaultToolFields: toClean.append(k) for k in toClean: exec 'del klass.%s' % k klass._appy_attributes = list(defaultToolFields) klass._appy_classes = {} @classmethod 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) # A field added to the tool can't have parameters that would lead to the # creation of new fields in the tool. res.editDefault = False res.optional = False res.show = True res.group = copy.copy(appyType.group) res.phase = 'main' # Set default layouts for all Tool fields res.layouts = res.formatLayouts(None) 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 tool. 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 tool. return res @classmethod 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 = Group(fieldDescr.classDescr.klass.__name__) @classmethod 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 = Group(fieldDescr.classDescr.klass.__name__) @classmethod def _appy_addPodRelatedFields(klass, fieldDescr): '''Adds the fields needed in the Tool for configuring a Pod field.''' className = fieldDescr.classDescr.name # On what page and group to display those fields ? pg = {'page': 'documentGeneration', 'group': '%s_2' % fieldDescr.classDescr.klass.__name__} # Add the field that will store the pod template. fieldName = 'podTemplateFor%s_%s' % (className, fieldDescr.fieldName) fieldType = File(**pg) klass._appy_addField(fieldName, fieldType, fieldDescr.classDescr) # Add the field that will store the output format(s) fieldName = 'formatsFor%s_%s' % (className, fieldDescr.fieldName) fieldType = String(validator=('odt', 'pdf', 'doc', 'rtf'), multiplicity=(1,None), default=('odt',), **pg) klass._appy_addField(fieldName, fieldType, fieldDescr.classDescr) @classmethod def _appy_addQueryResultColumns(klass, classDescr): '''Adds, for class p_classDescr, the attribute in the tool that allows to select what default columns will be shown on query results.''' className = classDescr.name fieldName = 'resultColumnsFor%s' % className fieldType = String(multiplicity=(0,None), validator=Selection( '_appy_getAllFields*%s' % className), page='userInterface', group=classDescr.klass.__name__) klass._appy_addField(fieldName, fieldType, classDescr) @classmethod def _appy_addSearchRelatedFields(klass, classDescr): '''Adds, for class p_classDescr, attributes related to the search functionality for class p_classDescr.''' className = classDescr.name # Field that defines if advanced search is enabled for class # p_classDescr or not. fieldName = 'enableAdvancedSearchFor%s' % className fieldType = Boolean(default=True, page='userInterface', group=classDescr.klass.__name__) klass._appy_addField(fieldName, fieldType, classDescr) # Field that defines how many columns are shown on the custom search # screen. fieldName = 'numberOfSearchColumnsFor%s' % className fieldType = Integer(default=3, page='userInterface', group=classDescr.klass.__name__) klass._appy_addField(fieldName, fieldType, classDescr) # Field that allows to select, among all indexed fields, what fields # must really be used in the search screen. fieldName = 'searchFieldsFor%s' % className defaultValue = [a[0] for a in classDescr.getOrderedAppyAttributes( condition='attrValue.indexed')] fieldType = String(multiplicity=(0,None), validator=Selection( '_appy_getSearchableFields*%s' % className), default=defaultValue, page='userInterface', group=classDescr.klass.__name__) klass._appy_addField(fieldName, fieldType, classDescr) @classmethod def _appy_addImportRelatedFields(klass, classDescr): '''Adds, for class p_classDescr, attributes related to the import functionality for class p_classDescr.''' className = classDescr.name # Field that defines the path of the files to import. fieldName = 'importPathFor%s' % className defValue = classDescr.getCreateMean('Import').path fieldType = String(page='data', multiplicity=(1,1), default=defValue, group=classDescr.klass.__name__) klass._appy_addField(fieldName, fieldType, classDescr) @classmethod 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) # ------------------------------------------------------------------------------