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[gen] field.history can now be a method. This way, historization can be enabled/disabled, field by field, according to any custom condition.

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This commit is contained in:
Gaetan Delannay 2013-01-10 10:56:22 +01:00
parent f091b25c98
commit c863b47db5
2 changed files with 24 additions and 10 deletions
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3
gen/__init__.py
View file

@ -1215,6 +1215,9 @@ class String(Type):
return {'view': 'l-f', 'edit': 'lrv-d-f'}
elif self.format == String.XHTML:
if self.historized:
# self.historized can be a method or a boolean. If it is a
# method, it means that under some condition, historization will
# be enabled. So we come here also in this case.
view = 'lc-f'
else:
view = 'l-f'

31
gen/mixins/__init__.py
View file

@ -65,14 +65,19 @@ class BaseMixin:
# Check that the user can add objects through this Ref.
initiatorField.checkAdd(initiator)
obj = createObject(folder, id, obj.portal_type, tool.getAppName())
# Get the fields on the current page
fields = None
if rq: fields = self.getAppyTypes('edit', rq.get('page'))
# Remember the previous values of fields, for potential historization
previousData = None
if not created: previousData = obj.rememberPreviousData()
if not created and fields:
previousData = obj.rememberPreviousData(fields)
# Perform the change on the object
if rq:
if fields:
# Store in the database the new value coming from the form
for appyType in self.getAppyTypes('edit', rq.get('page')):
value = getattr(values, appyType.name, None)
appyType.store(obj, value)
for field in fields:
value = getattr(values, field.name, None)
field.store(obj, value)
if previousData:
# Keep in history potential changes on historized fields
obj.historizeData(previousData)
@ -402,14 +407,20 @@ class BaseMixin:
if rq.get('appy', None) == '1': obj = obj.appy()
return getattr(obj, 'on'+action)()
def rememberPreviousData(self):
def rememberPreviousData(self, fields):
'''This method is called before updating an object and remembers, for
every historized field, the previous value. Result is a dict
~{s_fieldName: previousFieldValue}~'''
res = {}
for appyType in self.getAllAppyTypes():
if appyType.historized:
res[appyType.name] = appyType.getValue(self)
for field in fields:
if not field.historized: continue
# appyType.historized can be a method or a boolean.
if callable(field.historized):
historized = field.callMethod(self, field.historized)
else:
historized = field.historized
if historized:
res[field.name] = field.getValue(self)
return res
def addHistoryEvent(self, action, **kw):
@ -514,7 +525,7 @@ class BaseMixin:
listType = self.getAppyType(listName)
return listType.getInnerValue(outerValue, name, int(i))
def getFormattedFieldValue(self, name, value, showChanges):
def getFormattedFieldValue(self, name, value, showChanges=False):
'''Gets a nice, string representation of p_value which is a value from
field named p_name.'''
return self.getAppyType(name).getFormattedValue(self,value,showChanges)