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=======
CHANGES
=======
3.4.0 (unreleased)
------------------
- Drop support for Python 2.6.
- Support Python 3.5 officially.
- Fix TypeError: object of type 'generator' has no ``len()``.
Happens with z3c.formwidget.query. [maurits]
- Turned ``items`` into a property again on all widgets.
For the select widget it was a method since 2.9.0.
For the radio and checkbox widgets it was a method since 3.2.10.
For orderedselect and multi it was always a property.
Fixes https://github.com/zopefoundation/z3c.form/issues/44
[maurits]
- Fix handling of missing terms in collections. (See version 2.9 describing
this feature.)
- Fix `orderedselect_input.js` resource to be usable on browser layers which do
not extend ``zope.publisher.interfaces.browser.IDefaultBrowserLayer``.
3.3.0 (2016-03-09)
------------------
- *MAJOR* overhaul of ObjectWidget:
* low level unittests passed, but high level was not tops
basic rule is that widgets want RAW values and all conversion
must be done in ``ObjectConverter``
* ``ObjectSubForm`` and ``SubformAdapter`` is removed,
it was causing more problems than good
* added high level integration tests
- Removed ``z3c.coverage`` from ``test`` extra. [gforcada, maurits]
3.2.10 (2016-03-09)
-------------------
- RadioWidget items are better determined when they are needed [agroszer]
- CheckBoxWidget items are better determined when they are needed [agroszer]
- Bugfix: The ``ChoiceTerms`` adapter blindly assumed that the passed in field
is unbound, which is not necessarily the case in interesting ObjectWidget
scenarios. Not it checks for a non-None field context first. [srichter]
3.2.9 (2016-02-01)
------------------
- Correctly handled ``noValueToken`` in RadioWidget. This avoids a
``LookupError: --NOVALUE--``. [gaudenz,ale-rt]
- Added ``json`` method for forms and ``json_data`` method for
widgets. [mmilkin]
- Change javascript for updating ordered select widget hidden structure so it
works again on IE11 and doesn't send back an empty list that deletes all
selections on save. Fixes https://github.com/zopefoundation/z3c.form/issues/23
[fredvd]
- Started on Dutch translations.
[maurits]
3.2.8 (2015-11-09)
------------------
- Standardized namespace __init__. [agroszer]
3.2.7 (2015-09-20)
------------------
- Remove "cannot move farther up/down" messages
in ordered select widget.
[esteele]
- Updated Traditional Chinese translation.
[l34marr]
3.2.6 (2015-09-10)
------------------
- Fixed warnings in headers of locales files.
Checked with `msgfmt -c`.
[maurits]
- Added Finnish translation.
[petri]
- Added Traditional Chinese translation.
[l34marr]
3.2.5 (2015-09-09)
------------------
- Fixed error on Python 3: NameError: global name 'basestring' is not
defined. This fixes a bug introduced in version 3.2.1.
[maurits]
3.2.4 (2015-07-18)
------------------
- Fix ordered select input widget not working.
[vangheem]
- ReSt fix.
[timo]
3.2.3 (2015-03-21)
------------------
- 3.2.2 was a brown bag release. Fix MANIFEST.in to include the js file that has been added in 3.2.2.
[timo]
3.2.2 (2015-03-21)
------------------
- move js to separate file to prevent escaped entities in Plone 5.
[pbauer]
3.2.1 (2014-06-09)
------------------
- Add DataExtractedEvent, which is thrown after data and errors are extracted
from widgets. Fixes https://github.com/zopefoundation/z3c.form/pull/18
- Remove spaces at start and end of text field values.
- Explicitly hide span in ``orderedselect_input.pt``. This only
contains hidden inputs, but Internet Explorer 10 was showing them
anyway. Fixes https://github.com/zopefoundation/z3c.form/issues/19
3.2.0 (2014-03-18)
------------------
- Feature: Added text and password widget HTML5 attributes required by
plone.login.
3.1.1 (2014-03-02)
------------------
- Feature: Added a consistent id on single checkbox and multi checkbox
widgets.
3.1.0 (2013-12-02)
------------------
- Feature: Added a consistent id on ordered selection widget.
- Feature: Added a hidden template for the textlines widget.
- Feature: added an API to render each radio button separately.
3.0.5 (2013-10-09)
------------------
- Bug: Remove errors for cases where the key field of a dict field uses a
sequence widget (most notably choices). The sequence widget always returns
lists as widget values, which are not hashable. We convert those lists to
tuples now within the dict support.
3.0.4 (2013-10-06)
------------------
- Feature: Moved registration of translation directories to a separate ZCML
file.
- Bug: Fixed a typo in German translations.
3.0.3 (2013-09-06)
------------------
- Feature: Version 2.9 introduced a solution for missing terms in
vocabularies. Adapted sources to this solution, too.
3.0.2 (2013-08-14)
------------------
- Bug: Fix unicode decode error in weird cases in
``checkbox.CheckboxWidget.update()`` and ``radio.RadioWidget.update()`` (eg:
when ``term.value`` is an Plone Archetype ATFile)
3.0.1 (2013-06-25)
------------------
- Bug: The alpha slipped out as 3.0.0, removed ``ZODB-4.0.0dev.tar.gz``
to reduce damage
- Bug: Fixed a bug in ``widget.py`` ``def wrapCSSClass``
3.0.0 (2013-06-24)
------------------
- Feature: Added support for ``IDict`` field in ``MultiWidget``.
- Bug: Only add the 'required' CSS class to widgets when they are in input mode.
- Bug: Catch bug where if a select value was set as from hidden input or
through a rest url as a single value, it won't error out when trying to
remove from ignored list. Probably not the 100% right fix but it catches
core dumps and is sane anyways.
3.0.0a3 (2013-04-08)
--------------------
- Feature: Updated pt_BR translation.
- Bug: Fixed a bug where file input value was interpeted as UTF-8.
3.0.0a2 (2013-02-26)
--------------------
- Bug: The 3.0.0a1 release was missing some files (e.g. ``locales``) due to an
incomplete ``MANIFEST.in``.
3.0.0a1 (2013-02-24)
--------------------
- Feature: Removed several parts to be installed by default, since some
packages are not ported yet.
- Feature: Added support for Python 3.3.
- Feature: Replaced deprecated ``zope.interface.implements`` usage with
equivalent ``zope.interface.implementer`` decorator.
- Feature: Dropped support for Python 2.4 and 2.5.
- Bug: Make sure the call to the method that returns the default value
is made with a field which has its context bound.
2.9.1 (2012-11-27)
------------------
- Feautre: The ``updateWidgets`` method has received an argument
``prefix`` which allows setting the prefix of the field widgets
adapter.
This allows updating the common widgets prefix before the individual
widgets are updated, useful for situations where neither a form, nor
a widgets prefix is desired.
- Bug: Capitalize the messages 'no value' and 'select a value'. This change
has been applied also to the existing translations (where applicable).
- Bug: ``TextLinesConverter``: Do not ignore newlines at the end of the
inputted string, thus do not eat blank items
- Bug: ``TextLinesConverter``: ``toFieldValue()``, convert conversion
exceptions to ``FormatterValidationError``, for cases like got a string
instead of int.
2.9.0 (2012-09-17)
------------------
- Feature: Missing terms in vocabularies: this was a pain until now.
Now it's possible to have the same (missing) value unchanged on the object
with an EditForm after save as it was before editing.
That brings some changes with it:
* *MAJOR*: unchanged values/fields do not get validated anymore
(unless they are empty or are FileUploads)
* A temporary ``SimpleTerm`` gets created for the missing value
Title is by default "Missing: ${value}". See MissingTermsMixin.
- Feature: Split ``configure.zcml``
- Bug: ``SequenceWidget`` DISPLAY_MODE: silently ignore missing tokens,
because INPUT_MODE and HIDDEN_MODE does that too.
2.8.2 (2012-08-17)
------------------
- Feature: Added ``IForm.ignoreRequiredOnValidation``,
``IWidgets.ignoreRequiredOnValidation``,
``IWidget.ignoreRequiredOnValidation``.
Those enable ``extract`` and ``extractData`` to return without errors in
case a required field is not filled.
That also means the usual "Missing value" error will not get displayed.
But the ``required-info`` (usually the ``*``) yes.
This is handy to store partial state.
2.8.1 (2012-08-06)
------------------
- Fixed broken release, my python 2.7 windows setup didn't release the new
widget.zcml, widget_layout.pt and widget_layout_hidden.pt files. After
enhance the pattern in MANIFEST.in everything seems fine. That's probably
because I patched my python version with the \*build exclude pattern patch.
And yes, the new files where added to the svn repos! After deep into this
again, it seems that only previous added \*.txt, \*.pt files get added to
the release. A fresh checkout sdist release only contains the \*.py and \*.mo
files. Anyway the enhanced MANIFEST.in file solved the problem.
2.8.0 (2012-08-06)
------------------
- Feature: Implemented widget layout concept similar to z3c.pagelet. The new
layout concept allows to register layout templates additional to the widget
templates. Such a layout template only get used if a widget get called.
This enhacement is optional and compatible with all previous z3c.form
versions and doesn't affect existing code and custom implementations
except if you implemented a own __call__ method for widgets which
wasn't implemented in previous versions. The new __call__ method will lookup
and return a layout template which supports additional HTML code used as
a wrapper for the HTML code returned from the widget render method.
This concept allows to define additional HTML construct provided for all
widget and render specific CSS classes arround the widget per context, view,
request, etc discriminators. Such a HTML constuct was normaly supported in
form macros which can't get customized on a per widget, view or context base.
Summary; the new layout concept allows us to define a wrapper CSS elements
for the widget element (label, widget, error) on a per widgte base and skip
the generic form macros offered from z3c.formui.
Note; you only could get into trouble if you define a widget in tal without
to prefix them with ``nocall:`` e.g. tal:define="widget view/widgets/foo"
Just add a nocall like tal:define="widget nocall:view/widgets/foo" if your
rendering engine calls the __call__method by default. Also note that the
following will also call the __call__ method tal:define="widget myWidget".
- Fixed content type extraction test which returned different values. This
probably depends on a newer version of guess_content_type. Just allow
image/x-png and image/pjpeg as valid values.
2.7.0 (2012-07-11)
------------------
- Remove `zope34` extra, use an older version of z3c.form if you need to
support pre-ZTK versions.
- Require at least zope.app.container 3.7 for adding support.
- Avoid dependency on ZODB3.
- Added IField.showDefault and IWidget.showDefault
That controls whether the widget should look for field default values
to display. This can be really helpful in EditForms, where you don't
want to have default values instead of actual (missing) values.
By default it is True to provide backwards compatibility.
2.6.1 (2012-01-30)
------------------
- Fixed a potential problem where a non-ascii vocabulary/source term value
could cause the checkbox and readio widget to crash.
- Fixed a problem with the ``datetime.timedelta`` converter, which failed to
convert back to the field value, when the day part was missing.
2.6.0 (2012-01-30)
------------------
- Remove ":list" from radio inputs, since radio buttons can be only one value
by definition. See LP580840.
- Changed radio button and checkbox widget labels from token to value (wrapped
by a unicode conversion) to make it consistent with the parent
``SequenceWidget`` class. This way, edit and display views of the widgets
show the same label. See LP623210.
- Remove dependency on zope.site.hooks, which was moved to zope.component in
3.8.0 (present in ZTK 1.0 and above).
- Make zope.container dependency more optional (it is only used in tests)
- Properly escape JS code in script tag for the ordered-select widget. See
LP829484.
- Cleaned whitespace in page templates.
- Fix ``IGroupForm`` interface and actually use it in the ``GroupForm``
class. See LP580839.
- Added Spanish translation.
- Added Hungarian translation.
2.5.1 (2011-11-26)
------------------
- Better compatibility with Chameleon 2.x.
- Added \*.mo files missing in version 2.5.0.
- Pinned minimum version of test dependency `z3c.template`.
2.5.0 (2011-10-29)
------------------
- Fixed coverage report generator script buildout setup.
- Note: z3c.pt and chameleon are not fully compatible right now with TAL.
Traversing the repeat wrapper is not done the same way. ZPT uses the
following pattern:
<tal:block condition="not:repeat/value/end">, </tal:block>
Chameleon only supports python style traversing:
<tal:block condition="not:python:repeat['value'].end">, </tal:block>
- Upgrade to chameleon 2.0 template engine and use the newest z3c.pt and
z3c.ptcompat packages adjusted to work with chameleon 2.0.
See the notes from the z3c.ptcompat package:
Update z3c.ptcompat implementation to use component-based template engine
configuration, plugging directly into the Zope Toolkit framework.
The z3c.ptcompat package no longer provides template classes, or ZCML
directives; you should import directly from the ZTK codebase.
Also, note that the ``PREFER_Z3C_PT`` environment option has been
rendered obsolete; instead, this is now managed via component
configuration.
Attention: You need to include the configure.zcml file from z3c.ptcompat
for enable the z3c.pt template engine. The configure.zcml will plugin the
template engine. Also remove any custom built hooks which will import
z3c.ptcompat in your tests or other places.
You can directly use the BoundPageTemplate and ViewPageTempalteFile from
zope.browserpage.viewpagetemplatefile if needed. This templates will implicit
use the z3c.pt template engine if the z3c.ptcompat configure.zcml is
loaded.
2.4.4 (2011-07-11)
------------------
- Remove unneeded dependency on deprecated ``zope.app.security``.
- Fixed ButtonActions.update() to correctly remove actions when called again,
after the button condition become false.
2.4.3 (2011-05-20)
------------------
- Declare TextLinesFieldWidget as an IFieldWidget implementer.
- Clarify MultiWidget.extract(), when there are zero items,
this is now [] instead of <NO_VALUE>
- Some typos fixed
- Fixed test failure due to change in floating point representation in Python
2.7.
- Ensure at least min_length widgets are rendered for a MultiWidget in input
mode.
- Added Japanese translation.
- Added base of Czech translation.
- Added Portuguese Brazilian translation.
2.4.2 (2011-01-22)
------------------
- Adjust test for the contentprovider feature to not depend on the
ContentProviderBase class that was introduced in zope.contentprovider 3.5.0.
This restores compatibility with Zope 2.10.
- Security issue, removed IBrowserRequest from IFormLayer. This prevents to
mixin IBrowserRequest into non IBrowserRequest e.g. IJSONRPCRequest.
This should be compatible since a browser request using z3c.form already
provides IBrowserRequest and the IFormLayer is only a marker interface used
as skin layer.
- Add English translation (generated from translation template using
msgen z3c.form.pot > en/LC_MESSAGES/z3c.form.po).
- Added Norwegian translation, thanks to Helge Tesdal and Martijn Pieters.
- Updated German translation.
2.4.1 (2010-07-18)
------------------
- Since version 2.3.4 ``applyChanges`` required that the value exists
when the field had a ``DictionaryField`` data manager otherwise it
broke with an ``AttributeError``. Restored previous behavior that
values need not to be exist before ``applyChanges`` was called by
using ``datamanager.query()`` instead of ``datamanager.get()`` to
get the previous value.
- Added missing dependency on ``zope.contentprovider``.
- No longer using deprecated ``zope.testing.doctest`` by using
python's built-in ``doctest`` module.
2.4.0 (2010-07-01)
------------------
- Feature: mix fields and content providers in forms. This allow to enrich
the form by interlacing html snippets produced by content providers.
Adding html outside the widgets avoids the systematic need of
subclassing or changing the full widget rendering.
- Bug: Radio widget was not treating value as a list in hidden mode.
2.3.4 (2010-05-17)
------------------
- Bugfix: applyChanges should not try to compare old and new values if the old
value can not be accessed.
- Fix DictionaryField to conform to the IDataManager spec: get() should raise
an exception if no value can be found.
2.3.3 (2010-04-20)
------------------
- The last discriminator of the 'message' IValue adapter used in the
ErrorViewSnippet is called 'content', but it was looked up as the error view
itself. It is now looked up on the form's context.
- Don't let util.getSpecification() generate an interface more than once.
This causes strange effects when used in value adapters: if two adapters
use e.g. ISchema['some_field'] as a "discriminator" for 'field', with one
adapter being more specific on a discriminator that comes later in the
discriminator list (e.g. 'form' for an ErrorViewMessage), then depending on
the order in which these two were set up, the adapter specialisation may
differ, giving unexpected results that make it look like the adapter
registry is picking the wrong adapter.
- Fix trivial test failures on Python 2.4 stemming from differences in
pprint's sorting of dicts.
- Don't invoke render() when publishing the form as a view if the HTTP status
code has been set to one in the 3xx range (e.g. a redirect or not-modified
response) - the response body will be ignored by the browser anyway.
- Handle Invalid exceptions from constraints and field validators.
- Don't create unnecessary self.items in update() method of
SelectWidget in DISPLAY_MODE. Now items is a property.
- Add hidden widget templates for radio buttons and checkboxes.
2.3.2 (2010-01-21)
------------------
- Reverted changes made in the previous release as the ``getContent``
method can return anything it wants to as long as a data manager can
map the fields to it. So ``context`` should be used for group
instantiation. In cases where ``context`` is not wanted, the group
can be instantiated in the ``update`` method of its parent group or
form. See also
https://mail.zope.org/pipermail/zope-dev/2010-January/039334.html
(So version 2.3.2 is the same as version 2.3.0.)
2.3.1 (2010-01-18)
------------------
- ``GroupForm`` and ``Group`` now use ``getContent`` method when
instantiating group classes instead of directly accessing
``self.context``.
2.3.0 (2009-12-28)
------------------
Refactoring
~~~~~~~~~~~
- Removed deprecated zpkg slug and ZCML slugs.
- Adapted tests to `zope.schema` 3.6.0.
- Avoid to use `zope.testing.doctestunit` as it is now deprecated.
Update
~~~~~~
- Updated German translations.
2.2.0 (2009-10-27)
------------------
- Feature: Add ``z3c.form.error.ComputedErrorViewMessage`` factory for easy
creation of dynamically computed error messages.
- Bug: <div class="error"> was generated twice for MultiWidget and
ObjectWidget in input mode.
- Bug: Replace dots with hyphens when generating form id from its name.
- Refactored OutputChecker to its own module to allow using
``z3c.form.testing`` without needing to depend on ``lxml``.
- Refactored: Folded duplicate code in
``z3c.form.datamanager.AttributeField`` into a single property.
2.1.0 (2009-07-22)
------------------
- Feature: The `DictionaryFieldManager` now allows all mappings
(``zope.interface.common.mapping.IMapping``), even
``persistent.mapping.PersistentMapping`` and
``persistent.dict.PersistentDict``. By default, however, the field
manager is only registered for dict, because it would otherwise get
picked up in undesired scenarios.
- Bug: Updated code to pass all tests on the latest package versions.
- Bug: Completed the Zope 3.4 backwards-compatibility. Also created a buidlout
configuration file to test the Zope 3.4 compatibility. Note: You *must* use
the 'latest' or 'zope34' extra now to get all required
packages. Alternatively, you can specify the packages listed in either of
those extras explicitely in your product's required packages.
2.0.0 (2009-06-14)
------------------
Features
~~~~~~~~
- KGS 3.4 compatibility. This is a real hard thing, because `z3c.form` tests
use `lxml` >= 2.1.1 to check test output, but KGS 3.4 has `lxml`
1.3.6. Therefore we agree on that if tests pass with all package versions
nailed by KGS 3.4 but `lxml` overridden to 2.1.1 then the `z3c.form` package
works with a plain KGS 3.4.
- Removed hard `z3c.ptcompat` and thus `z3c.pt` dependency. If you have
`z3c.ptcompat` on the Python path it will be used.
- Added nested group support. Groups are rendered as fieldsets. Nested
fieldsets are very useful when designing forms.
WARNING: If your group did have an `applyChanges()` (or any added(?)) method
the new one added by this change might not match the signature.
- Added `labelRequired` and `requiredInfo` form attributes. This is useful for
conditional rendering a required info legend in form templates. The
`requiredInfo` label depends by default on a given `labelRequired` message
id and will only return the label if at least one widget field is required.
- Add support for refreshing actions after their execution. This is useful
when button action conditions are changing as a result of action
execution. All you need is to set the `refreshActions` flag of the form to
`True` in your action handler.
- Added support for using sources. Where it was previosly possible to use a
vocabulary it is now also possible to use a source. This works both for
basic and contextual sources.
**IMPORTANT:** The `ChoiceTerms` and `CollectionTerms` in `z3c.form.term`
are now simple functions that query for real `ITerms` adapters for field's
`source` or `value_type` respectively. So if your code inherits the old
`ChoiceTerms` and `CollectionTerms` classes, you'll need to review and adapt
it. See the `z3c.form.term` module and its documentation.
- The new `z3c.form.interfaces.NOT_CHANGED` special value is available to
signal that the current value should be left as is. It's currently handled
in the `z3c.form.form.applyChanges()` function.
- When no file is specified in the file upload widget, instead of overwriting
the value with a missing one, the old data is retained. This is done by
returning the new `NOT_CHANGED` special value from the
`FileUploadDataConvereter`.
- Preliminary support for widgets for the `schema.IObject` field has been
added. However, there is a big caveat, please read the ``object-caveat.txt``
document inside the package.
A new `objectWidgetTemplate` ZCML directive is provided to register widget
templates for specific object field schemas.
- Implemented the `MultiWidget` widget. This widget allows you to use simple
fields like `ITextLine`, `IInt`, `IPassword`, etc. in a `IList` or `ITuple`
sequence.
- Implemented `TextLinesWidget` widget. This widget offers a text area element
and splits lines in sequence items. This is usfull for power user
interfaces. The widget can be used for sequence fields (e.g. `IList`) that
specify a simple value type field (e.g. `ITextLine` or `IInt`).
- Added a new flag `ignoreContext` to the form field, so that one can
individually select which fields should and which ones should not ignore the
context.
- Allow raw request values of sequence widgets to be non-sequence values,
which makes integration with Javascript libraries easier.
- Added support in the file upload widget's testing flavor to specify
'base64'-encoded strings in the hidden text area, so that binary data can be
uploaded as well.
- Allow overriding the `required` widget attribute using `IValue` adapter just
like it's done for `label` and `name` attributes.
- Add the `prompt` attribute of the `SequenceWidget` to the list of adaptable
attributes.
- Added benchmarking suite demonstrating performance gain when using
``z3c.pt``.
- Added support for ``z3c.pt``. Usage is switched on via the "PREFER_Z3C_PT"
environment variable or via ``z3c.ptcompat.config.[enable/diable]()``.
- The `TypeError` message used when a field does not provide `IFormUnicode`
now also contains the type of the field.
- Add support for internationalization of `z3c.form` messages. Added Russian,
French, German and Chinese translations.
- Sphinx documentation for the package can now be created using the new `docs`
script.
- The widget for fields implementing `IChoice` is now looked up by querying
for an adapter for ``(field, field.vocabulary, request)`` so it can be
differentiated according to the type of the source used for the field.
- Move `formErrorsMessage` attribute from `AddForm` and `EditForm` to the
`z3c.form.form.Form` base class as it's very common validation status
message and can be easily reused (especially when translations are
provided).
Refactoring
~~~~~~~~~~~
- Removed compatibility support with Zope 3.3.
- Templates now declare XML namespaces.
- HTML output is now compared using a modified version of the XML-aware output
checker provided by `lxml`.
- Remove unused imports, adjust buildout dependencies in `setup.py`.
- Use the `z3c.ptcompat` template engine compatibility layer.
Fixed Bugs
~~~~~~~~~~
- **IMPORTANT** - The signature of `z3c.form.util.extractFileName` function
changed because of spelling mistake fix in argument name. The
`allowEmtpyPostFix` is now called `allowEmptyPostfix` (note `Empty` instead
of `Emtpy` and `Postfix` instead of `PostFix`).
- **IMPORTANT** - The `z3c.form.interfaces.NOVALUE` special value has been
renamed to `z3c.form.interfaces.NO_VALUE` to follow the common naming
style. The backward-compatibility `NOVALUE` name is still in place, but the
`repr` output of the object has been also changed, thus it may break your
doctests.
- When dealing with `Bytes` fields, we should do a null conversion when going
to its widget value.
- `FieldWidgets` update method were appending keys and values within each
update call. Now the `util.Manager` uses a `UniqueOrderedKeys`
implementation which will ensure that we can't add duplicated manager
keys. The implementation also ensures that we can't override the
`UniqueOrderedKeys` instance with a new list by using a decorator. If this
`UniqueOrderedKeys` implementation doesn't fit for all use cases, we should
probably use a customized `UserList` implementation. Now we can call
``widgets.update()`` more then one time without any side effect.
- `ButtonActions` update where appending keys and values within each update
call. Now we can call ``actions.update()`` more then one time without any
side effect.
- The `CollectionSequenceDataConverter` no longer throws a ``TypeError:
'NoneType' object is not iterable`` when passed the value of a non-required
field (which in the case of a `List` field is `None`).
- The `SequenceDataConverter` and `CollectionSequenceDataConverter` converter
classes now ignore values that are not present in the terms when converting
to a widget value.
- Use ``nocall:`` modifier in `orderedselect_input.pt` to avoid calling list
entry if it is callable.
- `SingleCheckBoxFieldWidget` doesn't repeat the label twice (once in ``<div
class="label">``, and once in the ``<label>`` next to the checkbox).
- Don't cause warnings in Python 2.6.
- `validator.SimpleFieldValidator` is now able to handle
`interfaces.NOT_CHANGED`. This value is set for file uploads when the user
does not choose a file for upload.
1.9.0 (2008-08-26)
------------------
- Feature: Use the ``query()`` method in the widget manager to try extract a
value. This ensures that the lookup is never failing, which is particularly
helpful for dictionary-based data managers, where dictionaries might not
have all keys.
- Feature: Changed the ``get()`` method of the data manager to throw an error
when the data for the field cannot be found. Added ``query()`` method to
data manager that returns a default value, if no value can be found.
- Feature: Deletion of widgets from field widget managers is now possible.
- Feature: Groups now produce detailed `ObjectModifiedEvent` descriptions like
regular edit forms do. (Thanks to Carsten Senger for providing a patch.)
- Feature: The widget manager's ``extract()`` method now supports an optional
``setErrors`` (default value: True) flag that allows one to not set errors
on the widgets and widget manager during data extraction. Use case: You want
to inspect the entered data and handle errors manually.
- Bug: The ``ignoreButtons`` flag of the ``z3c.form.form.extends()`` method
was not honored. (Thanks to Carsten Senger for providing a patch.)
- Bug: Group classes now implement ``IGroup``. This also helps with the
detection of group instantiation. (Thanks to Carsten Senger for providing a
patch.)
- Bug: The list of changes in a group were updated incorrectly, since it was
assumed that groups would modify mutually exclusive interfaces. Instead of
using an overwriting dictionary ``update()`` method, a purely additive merge
is used now. (Thanks to Carsten Senger for providing a patch.)
- Bug: Added a widget for ``IDecimal`` field in testing setup.
- Feature: The ``z3c.form.util`` module has a new function, ``createCSSId()``
method that generates readable ids for use with css selectors from any
unicode string.
- Bug: The ``applyChanges()`` method in group forms did not return a changes
dictionary, but simply a boolean. This is now fixed and the group form
changes are now merged with the main form changes.
- Bug: Display widgets did not set the style attribute if it was
available, even though the input widgets did set the style attribute.
1.8.2 (2008-04-24)
------------------
- Bug: Display Widgets added spaces (due to code indentation) to the displayed
values, which in some cases, like when displaying Python source code, caused
the appearance to be incorrect.
- Bug: Prevent to call ``__len__`` on ``ITerms`` and use ``is None`` for check
for existence. Because ``__len__`` is not a part of the ITerms API and ``not
widget.terms`` will end in calling ``__len__`` on existing terms.
1.8.1 (2008-04-08)
------------------
- Bug: Fixed a bug that prohibited groups from having different contents than
the parent form. Previously, the groups contents were not being properly
updated. Added new documentation on how to use groups to generate
object-based sub-forms. Thanks to Paul Carduner for providing the fix and
documentation.
1.8.0 (2008-01-23)
------------------
- Feature: Implemented ``IDisplayForm`` interface.
- Feature: Added integration tests for form interfaces. Added default class
attribute called ``widgets`` in form class with default value ``None``. This
helps to pass the integration tests. Now, the ``widgets`` attribute can also
be used as a indicator for updated forms.
- Feature: Implemented additional ``createAndAdd`` hook in ``AddForm``. This
allows you to implement create and add in a single method. It also supports
graceful abortion of a create and add process if we do not return the new
object. This means it can also be used as a hook for custom error messages
for errors happen during create and add.
- Feature: Add a hidden widget template for the ``ISelectWidget``.
- Feature: Arrows in the ordered select widget replaced by named entities.
- Feature: Added ``CollectionSequenceDataConverter`` to ``setupFormDefaults``.
- Feature: Templates for the CheckBox widget are now registered in
``checkbox.zcml``.
- Feature: If a value cannot be converted from its unicode representation to a
field value using the field's ``IFromUnicode`` interface, the resulting type
error now shows the field name, if available.
- Bug: ``createId`` could not handle arbitrary unicode input. Thanks to
Andreas Reuleaux for reporting the bug and a patch for it. (Added
descriptive doctests for the function in the process.)
- Bug: Interface invariants where not working when not all fields needed for
computing the invariant are in the submitted form.
- Bug: Ordered select didn't submit selected values.
- Bug: Ordered select lists displayed tokens instead of value,
- Bug: ``SequenceWidget`` displayed tokens instead of value.
1.7.0 (2007-10-09)
------------------
- Feature: Implemented ``ImageButton``, ``ImageAction``, ``ImageWidget``, and
``ImageFieldWidget`` to support imge submit buttons.
- Feature: The ``AttributeField`` data manager now supports adapting
the content to the fields interface when the content doesn't implement
this interface.
- Feature: Implemented single checkbox widget that can be used for boolean
fields. They are not available by default but can be set using the
``widgetFactory`` attribute.
- Bug: More lingual issues have been fixed in the documentation. Thanks to
Martijn Faassen for doing this.
- Bug: When an error occurred during processing of the request the
widget ended up being security proxied and the system started
throwing `TraversalError`-'s trying to access the `label` attribute of
the widget. Declared that the widgets require the `zope.Public`
permission in order to access these attributes.
- Bug: When rendering a widget the ``style`` attribute was not honored. Thanks
to Andreas Reuleaux for reporting.
- Bug: When an error occurred in the sub-form, the status message was not set
correctly. Fixed the code and the incorrect test. Thanks to Markus
Kemmerling for reporting.
- Bug: Several interfaces had the ``self`` argument in the method
signature. Thanks to Markus Kemmerling for reporting.
1.6.0 (2007-08-24)
------------------
- Feature: An event handler for ``ActionErrorOccurred`` events is registered
to merge the action error into the form's error collectors, such as
``form.widgets.errors`` and ``form.widgets['name'].error`` (if
applicable). It also sets the status of the form. (Thanks to Herman
Himmelbauer, who requested the feature, for providing use cases.)
- Feature: Action can now raise ``ActionExecutionError`` exceptions that will
be handled by the framework. These errors wrap the original error. If an
error is specific to a widget, then the widget name is passed to a special
``WidgetActionExecutionError`` error. (Thanks to Herman Himmelbauer, who
requested the feature, for providing use cases.)
- Feature: After an action handler has been executed, an action executed event
is sent to the system. If the execution was successful, the event is
``ActionSuccessfull`` event is sent. If an action execution error was
raised, the ``ActionErrorOccurred`` event is raised. (Thanks to Herman
Himmelbauer, who requested the feature, for providing use cases.)
- Feature: The ``applyChanges()`` function now returns a dictionary of changes
(grouped by interface) instead of a boolean. This allows us to generate a
more detailed object-modified event. If no changes are applied, an empty
dictionary is returned. The new behavior is compatible with the old one, so
no changes to your code are required. (Thanks to Darryl Cousins for the
request and implementation.)