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

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This commit is contained in:
Gaetan Delannay 2014-03-05 13:25:36 +01:00
parent 584e38abef
commit 6d6c842f12
16 changed files with 79 additions and 88 deletions
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41
fields/ref.py
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@ -282,21 +282,20 @@ class Ref(Field):
pxEdit = Px('''
<select if="field.link"
var2="zobjects=field.getSelectableObjects(obj);
var2="objects=field.getPossibleValues(obj);
uids=[o.UID() for o in \
field.getLinkedObjects(zobj).objects]"
name=":name" id=":name" size=":isMultiple and field.height or ''"
onchange=":field.getOnChange(zobj, layoutType)"
multiple=":isMultiple">
<option value="" if="not isMultiple">:_('choose_a_value')</option>
<option for="ztied in zobjects" var2="uid=ztied.o.UID()"
<option for="tied in objects" var2="uid=tied.uid"
selected=":inRequest and (uid in requestValue) or \
(uid in uids)"
value=":uid">:field.getReferenceLabel(ztied)</option>
value=":uid">:field.getReferenceLabel(tied)</option>
</select>''')
pxSearch = Px('''<x>
<label lfor=":widgetName">:_(field.labelId)</label><br/>&nbsp;&nbsp;
pxSearch = Px('''
<!-- The "and" / "or" radio buttons -->
<x if="field.multiplicity[1] != 1"
var2="operName='o_%s' % name;
@ -309,12 +308,14 @@ class Ref(Field):
<label lfor=":andName">:_('search_and')</label><br/>
</x>
<!-- The list of values -->
<select name=":widgetName" size=":field.sheight" multiple="multiple">
<option for="v in ztool.getSearchValues(name, className)"
var2="uid=v[0]; title=field.getReferenceLabel(v[1])" value=":uid"
title=":title">:ztool.truncateValue(title,field.swidth)</option>
</select>
</x>''')
<select var="objects=field.getPossibleValues(tool);
selectAll='masterValues' in req"
name=":widgetName" size=":field.sheight" multiple="multiple"
onchange=":field.getOnChange(ztool, 'search', className)">
<option for="tied in objects" value=":tied.uid" selected=":selectAll"
var2="title=field.getReferenceLabel(tied, unlimited=True)"
title=":title">:ztool.truncateValue(title, field.swidth)</option>
</select>''')
def __init__(self, klass=None, attribute=None, validator=None,
multiplicity=(0,1), default=None, add=False, addConfirm=False,
@ -740,11 +741,12 @@ class Ref(Field):
newIndex = oldIndex + move
uids.insert(newIndex, uid)
def getSelectableObjects(self, obj):
'''This method returns the list of all objects that can be selected to
be linked as references to p_obj via p_self. If master values are
present in the request, we use field.masterValues method instead of
self.select.'''
def getPossibleValues(self, obj):
'''This method returns the list of all objects that can be selected
to be linked as references to p_obj via p_self. It is applicable only
for ref fields with link=True. If master values are present in the
request, we use field.masterValues method instead of self.select.
'''
req = obj.request
if 'masterValues' in req:
# Convert masterValue(s) from UID(s) to real object(s).
@ -762,8 +764,8 @@ class Ref(Field):
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).
# 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
@ -774,7 +776,7 @@ class Ref(Field):
return self.select(obj)
xhtmlToText = re.compile('<.*?>', re.S)
def getReferenceLabel(self, refObject):
def getReferenceLabel(self, refObject, unlimited=False):
'''p_self must have link=True. I need to display, on an edit view, the
p_refObject in the listbox that will allow the user to choose which
object(s) to link through the Ref. The information to display may
@ -793,6 +795,7 @@ class Ref(Field):
if res:
prefix = ' | '
res += prefix + value
if unlimited: return res
maxWidth = self.width or 30
if len(res) > maxWidth:
res = res[:maxWidth-2] + '...'