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[gen] Allow for ajax-based master-slave relationships within the search screen for String fields.

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This commit is contained in:
Gaetan Delannay 2014-03-05 15:47:12 +01:00
parent 6d6c842f12
commit 5bea4e728b
4 changed files with 93 additions and 63 deletions
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37
fields/ref.py
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@ -327,10 +327,10 @@ class Ref(Field):
width=None, height=5, maxChars=None, colspan=1, master=None,
masterValue=None, focus=False, historized=False, mapping=None,
label=None, queryable=False, queryFields=None, queryNbCols=1,
navigable=False, searchSelect=None, changeOrder=True,
sdefault='', scolspan=1, swidth=None, sheight=None,
persist=True, render='list', menuIdMethod=None,
menuInfoMethod=None, menuUrlMethod=None):
navigable=False, changeOrder=True, sdefault='', scolspan=1,
swidth=None, sheight=None, sselect=None, persist=True,
render='list', menuIdMethod=None, menuInfoMethod=None,
menuUrlMethod=None):
self.klass = klass
self.attribute = attribute
# May the user add new objects through this ref ?
@ -379,8 +379,23 @@ class Ref(Field):
self.shownInfo = list(shownInfo)
if not self.shownInfo: self.shownInfo.append('title')
# If a method is defined in this field "select", it will be used to
# filter the list of available tied objects.
# return the list of possible tied objects. Be careful: this method can
# receive, in its first argument ("self"), the tool instead of an
# instance of the class where this field is defined. This little cheat
# is:
# - not really a problem: in this method you will mainly use methods
# that are available on a tool as well as on any object (like
# "search");
# - necessary because in some cases we do not have an instance at our
# disposal, ie, when we need to compute a list of objects on a
# search screen.
# NOTE that when a method is defined in field "masterValue" (see parent
# class "Field"), it will be used instead of select (or sselect below).
self.select = select
# If you want to specify, for the search screen, a list of objects that
# is different from the one produced by self.select, define an
# alternative method in field "sselect" below.
self.sselect = sselect or self.select
# Maximum number of referenced objects shown at once.
self.maxPerPage = maxPerPage
# Specifies sync
@ -396,11 +411,6 @@ class Ref(Field):
self.queryNbCols = queryNbCols
# Within the portlet, will referred elements appear ?
self.navigable = navigable
# The search select method is used if self.indexed is True. In this
# case, we need to know among which values we can search on this field,
# in the search screen. Those values are returned by self.searchSelect,
# which must be a static method accepting the tool as single arg.
self.searchSelect = searchSelect
# If changeOrder is False, it even if the user has the right to modify
# the field, it will not be possible to move objects or sort them.
self.changeOrder = changeOrder
@ -762,10 +772,9 @@ class Ref(Field):
res = self.masterValue(obj, masterValues)
return res
else:
# If this field is a ajax-updatable slave, no need to compute
# selectable objects: it will be overridden by method
# self.masterValue by a subsequent ajax request (=the "if"
# statement above).
# If this field is an ajax-updatable slave, no need to compute
# possible values: it will be overridden by method self.masterValue
# by a subsequent ajax request (=the "if" statement above).
if self.masterValue and callable(self.masterValue): return []
if not self.select:
# No select method has been defined: we must retrieve all