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KSS (Kinetic Style Sheets) core framework

Project description

Kinetic Style Sheets (KSS) kss.core
===================================

KSS is an Ajax framework that allows UI development without writing any
Javascript. It uses style sheets with CSS-compliant syntax to declare and bind
dynamic behaviors in the browser. The engine supports a set of generic DOM-like
commands; they are computed on the server and sent back to manipulate the HTML
page.

What is KSS?
------------

KSS is an AJAX framework. KSS has both a client-side Javascript library and
server-side support.

The client-side Javascript library needs to be included in your page. It
fetches Kinetic style sheets from the server, parses them and binds a set of
action to browser events and/or page elements. It is clean Javascript code that
can peacefully coexist with other clean Javascript librarys like JQuery or
ExtJS. It is about 100k in production mode. You can integrate your own
Javascript code by using its extension mechanism through plugins.

Server-side code is currently available for Zope (2 and 3, which includes
Plone). The kss.base egg (which is currently in alpha) brings server-side
support to other pythonic platforms, such as:

* pylons
* django
* grok

The Javascript client-side code can be used independently of existing
server-side support. In other words, it is usable on platforms where we have
not built server-side support like PHP, Ruby or Java. (If you have interest in
porting KSS to the server environment you use and need help, please contact us
!)

Homepage
--------

More information and documentation can be found on the
`KSS project homepage <http://kssproject.org>`_.


Recently changed
================

New in kss 1.4.8
----------------

- new client action ``setActionServerTimeout``

It allows to setup timeout separately for each server action.
You call it in the stylesheet just before the server action.
It has a ``value`` parameter where you specify the timeout in
milliseconds::

div.timeout:click {
action-client: setActionServerTimeout;
setActionServerTimeout-value: 10000;
action-server: bla;
}

You can also use it to change the global default timeout value at body
load time::

body:load {
action-client: setActionServerTimeout;
setActionServerTimeout-value: 5000;
}

New in kss 1.4
--------------

- Major code refactoring, for better readibility and speedups.

- Lots and lots of ecma unittests and selenium tests that test kss.core
and the core plugin, are added. All are checkable from a single click
from any browser.

- New and improved demos

- Base2 is used for css selection, instead of the original cssQuery (if
present). Significantly faster page load.

- multiple selectors in the same rule are allowed, ie.::

selector1:click selector2:click { ... }

or even::

selector1:keyup selector2:keydown { ... }

- Value providers can be recursive, ie.::

nodeAttr(kssAttr(blah))

is allowed.

- added url() special value provider, the first is alternate syntax for::

action-server: blah;
blah-kssUrl: "http://foo.bar/blahblah";

you can now say in one line::

action-server: blah url(http://foo.bar/blahblah);

This may be handy if you want to call @@ url-s.

- added alias() special value provider, this enables using more client
actions on the same node::

action-client: setAttribute;
setAttribute-key: foo;
setAttribute-value: bar;
action-client: setAttribute alias(other);
other-key: foo2;
other-value: bar2;

- enable node selection in the same line as the action specification, ie.
instead of::

action-client: foo;
foo-kssSelector: css(div.klass);

you can also say::

action-client: foo css(div.klass);

- enable full form submits in the same line as the action specification,
ie. instead of::

action-server: foo;
foo-kssSubmitForm: currentForm();

you can also say::

action-server: foo currentForm();

- Value providers can be used also in the "event binder id", eg.
instead of the static binder id::

xxxxx:click(blah) { ... }

a dynamic binder id can also be used::

xxxxx:click(kssAttr(blah)) { ... }

This feature is needed for upcoming use cases like drag and drop.

- Remove previously deprecated form() and
currentForm() value providers from normal
action parameters (remark: they should now
be used with xxx-kssSelector or directly on the action-client line as
described above, and they properly support Zope multiform
fields like :list, :record, :records.)

- Demos and selenium tests are removed from kss.demo and are now placed
together with the plugin in kss.core. This means, all 3rdparty plugins
should now have a zope-only demo page with a selenium test, if the
plugin is loaded the demo appears in the index and the test is run
together with all tests. (Demos can be viewed and tested by kss.demo.)
We also have kss.template that creates a skeleton kss plugin with
all bells and whistles.

- Implement loglevels based on cookies (also backported to 1.2.)

- Other fixes (also backported to 1.2):

- Fix error fallback handling

- Fix multiple selection form fields marshalling on Safari and IE

- Fix setKssAttribute action and command

- fix action-cancel


Deprecated in kss 1.4
---------------------

form() and currentForm() in normal value providers
""""""""""""""""""""""""""""""""""""""""""""""""""

currentForm()
'''''''''''''


You must change rules that use currentForm() in a normal value provider::

action-server: myServerAction;
myServerAction-data: currentForm();

to::

action-server: myServerAction currentForm();

Or, if you want to keep compatibility with kss 1.2::

action-server: myServerAction;
myServerAction-kssSubmitForm: currentForm();


form()
''''''

Similarly, for form(), you must change the following::

action-server: myServerAction;
myServerAction-data: form();

to::

action-server: myServerAction form();

Or, if you want to keep compatibility with kss 1.2::

action-server: myServerAction;
myServerAction-kssSubmitForm: form();


Necessary server side changes
'''''''''''''''''''''''''''''

On the server side, the method that received the form as a dictionary in one
parameter, must define the values directly in the method signature, or access
them from the form directly.

So the following old code::

def method(self, data):
field1 = data['field1']
field2 = data.get('field2', None)

must be changed in one of the two ways shown in the following examples::

def method(self, field1, field2=None):
...

An alternate way is to get them from the request::

def method(self):
request = self.request
field1 = request.form['field1']
field2 = request.form.get('field2', None)



Changelog for kss.core
======================

1.6.0.a2 (2010-03-09)
---------------------

- Made GenericResource declare that it implements IResource.
[optilude]

- Add timeout tests in error handling demo
[gotcha, jfroche]

- Add SetActionServerTimeout client action
[gotcha, jfroche]

1.6.0.a1 (2009-11-19)
---------------------

- adjust ISite import to work in Zope 2.12
[davisagli]

- call cleanup when the test layer is torn down to avoid polluting
the test environment
[davisagli]

- Avoid dependency on zope.app.zapi package.
[hannosch]

- Specify package dependencies.
[hannosch]

1.4.7 (2009-05-11)
------------------

- Fix kukit payload in favor of IE6 XP SP3.
xmlns="http://www.kukit.org/commands/1.1" removed
from kukit tag as it breaks IE6 XP SP3.
[gotcha]

1.4.6 (2009-04-10)
------------------

- fix RequestManager's handling of the sendingTimeout parameter,
to enable setting the timeout globally from custom code, if needed.
[ree]

1.4.5 (2009-02-02)
------------------

- Added kss.blur action.
[simon]

1.4.4 (2009-01-05)
------------------

- Fix the ca_cancel (action-cancel) test that was broken
on IE7 because it contained the same id more times.
[ree]

- Fix or improve calculateAbsoluteURL to handle absolute
and relative urls correctly, as well as get rid of the
double slash (//) issue.
It also satisfies the tests kss_url_param and
kss_url_param_multiprop, that now work as intended,
with previous workaround removed.
[ree]

- Use the real request in the json logic so skin layers, request parmeters,
etc. are available.
[wichert]

1.4.3 (2008-08-18)
------------------

- Replaced license header of third-party sarissa.js
to workaround the license detection of ohloh.
sarissa.js is redistributed under GNU GPL v2
as previously.
[ree]

- Fix cssQuery-compat.js to use newest base2 api.
[ree]

1.4.2 (2008-07-06)
------------------

- Include meta.zcml from configure.zcml, in order to
allow easier loading of dependent zcml during unittests
[gotcha, jfroche]

1.4.1 (2008-06-02)
------------------

- Add @@kss_devel_mode/needs_old_cssquery, to enable a workaround
for Safari 3.1 to work.
[ree]

- Fix a typo that caused an exception instead of
logging an error message, this happened when
an action was registered twice with the same name.
[ree]


1.4 (2008-04-21)
----------------

- Updated base2-dom-fp.js with newest version.
[ree]

- Change concatresource to accept resources with
"application/x-javascript" content type only
[ree]

- DONE ONLY ON BRANCH 1.4 !!!
Add improved demos
(insertions in tbody is not included : that demo is
still broken in IE6)
[cryu, jone, gotcha]

- fix setKssAttribute action and command
(closes bug 8048 from plone.org)
[gotcha]

- fix action-cancel
[gotcha]

1.4-rc1 (2008-03-25)
--------------------

- disabled input values should not be submitted with the form
[gotcha]

- Updated base2-don-fp.js with newest version.
This fixes breakage on FireFox 3.
[ree]

1.4-alpha1 (2008-03-09)
-----------------------

- refactor the value provider registry to use
a single registry in place of 3.
This will enable to define value
providers that recieve non-string parameters
like a node selection.
[ree]

- Remove previously deprecated form() and
currentForm() value providers from normal
action parameters (remark: they should
be used with kssSelector.)
They now give a parsing error.
[ree]

- Implement multiproperties in
action-client and action-server
[ree]

- add url() and alias() providers
[ree]

- Change develui.css to have its style inline with
kssproject.org.
[gotcha]

- Add some tests for binder classes.
[ree]

- Improve some of the demos to make them Selenium testable
under both dev and prod mode, fix their tests.
[gotcha]

- Use functions in token table instead of code strings
that were evaluated. 'eval' is very slow.
in kukit.js [gotcha]

- Refactor code towards module and class closures.
in kukit.js [gotcha]

- Fix multiple selection form fields
marshalling on Safari
(fixes #22 in kssproject)
and on IE.
[ree]

- Fix error fallback handling
[ree]

- Implement loglevels based on cookies
Add handling of log levels to the kss mode view
[ree]

- Moved the core demos to this package from kss.demo.
They are now located under the core plugin.
[ree]

- Implement event binding based on the ids fetched
dynamically from the dom, by value providers.
[ree]

- Changed kukit payload to encode HTML content of CDATA.
This was necessary because us a supposed bug in FF, that
prevented us to use base2 (xpath selection did not work
on inserted elements, due to namespace issues.)
Get rid of forceToDom, make sure all plugins accept html
parameters as strings.
[ree]

1.2 (2007-08-17)
----------------

- Refactored js code.
[gotcha]

1.2-rc2 (2007-07-27)
--------------------

- Prepare for release.
[ree]

- when attrname is kssattr:xxx, IE chokes on certain nodes
[gotcha]

- fix form marshalling
[gotcha]

1.2-rc1.1
---------

- Prepare for release.
Identical with 1.2-rc1, just created for consistent versions.
[ree]

1.2-rc1
-------

- Deprecated addClassName, removeClassName actions and
commands in favour of addClass and removeClass.
Deprecated "name" and "classname" parameter in addClass,
removeClass, toggleClass actions and commands in favour of
"value".
[ree]

- implement new packing directives and two disctint
versions of the javascript (development and production),
this is achieved from javascript with the ;;; marker
Also add the @@kss_devel_mode/ui view for changing
the development mode from the browser.
[ree]

- Add the passnode selector that can be used to access
the value of a default parm passed programmatically
from the event (via makeActionOper)
[ree]

- Add action moveNodeAsLastChild
[ree]

- Death to Azax (... long live KSS)!
Removing last traces of the old name from the sources
[gotcha]

- Changed querying for css selectors to base2 instead of
cssQuery. Base2 is supposed to be a lot faster than
the old cssQuery. Usage is alternating, if base2 is
present that one is used, otherwise it uses the old
cssQuery code which stays the default.
[jvloothuis, ree]

- Add moveNodeBefore action (presumably missing)
[ree]

- Refactor load event, separate iload and load events.
The new event binder handles both events together. A
new parameter, evt-iload-autodetect is introduced, if
this is false we don't use detection but the iframe
must cooperate on telling us wnen we are done. There
is deprecation warning issued for the load events, if
bound on an iframe, in which case an iload event must
be used.
[ree]

- refactor event binding to allow different iterators to bind
events in a binder instance, matching the need of the events.
[ree]

1.2-beta2
---------

- Make the binding of the nodes together in one batch
[ree]

- added kssSubmitForm action parameter
and deprecation
[ree]

1.2-beta1
---------

- Prepare for release
[ree]

1.2-alpha2
----------

- Merge in Philikon's refactorization
Move docs to doc/
[ree]

- Initial package structure.
[zopeskel]


Changelog for kukit.js
======================

1.6.0a2 (09-03-2010)
--------------------

- add SetActionServerTimeout client action
[gotcha, jfroche]

1.6.0a1 (19-11-2009)
--------------------
- fix RequestManager's handling of the sendingTimeout parameter,
to enable setting the timeout globally from custom code, if needed.
[ree]

- Added blur action (which, as it doesn't need a parameter, requires the
deactivation of the args.length check in selectorreg.js.)
[simon]

- Fix or improve calculateAbsoluteURL to handle absolute
and relative urls correctly, as well as get rid of the
double slash (//) issue.
It also satisfies the tests kss_url_param and
kss_url_param_multiprop, that now work as intended,
with previous workaround removed.
[ree]

- Replaced license header of third-party sarissa.js
to workaround the license detection of ohloh.
sarissa.js is redistributed under GNU GPL v2
as previously.
[ree]

- Fix cssQuery-compat.js to use newest base2 api.
[ree]

- Fix a typo that caused an exception instead of
logging an error message, this happened when
an action was regitered twice with the same name.
[ree]

1.4 (2008-04-21)
----------------

- Updated base2-dom-fp.js with newest version.
[ree]

- fix setKssAttribute action and command
(closes bug 8048 from plone.org)
[gotcha]

- fix action-cancel
[gotcha]

- disabled input values should not be submitted with the form
[gotcha]

- Updated base2-dom-fp.js with newest version.
This fixes breakage on FireFox 3.
[ree]

- refactor the value provider registry to use
a single registry in place of 3.
This will enable to define value
providers that recieve non-string parameters
like a node selection.
[ree]

- Remove previously deprecated form() and
currentForm() value providers from normal
action parameters (remark: they should
be used with kssSelector.)
They now give a parsing error.
[ree]

- Implement multiproperties in
action-client and action-server
[ree]

- add url() and alias() providers
[ree]

- Use functions in token table instead of code strings
that were evaluated. 'eval' is very slow.
[gotcha]

- Refactor code towards module and class closures.
[gotcha]

- Fix multiple selection form fields marshalling on Safari
(fixes #22 in kssproject) and on IE.

- Fix multiple selection form fields
marshalling on Safari
(fixes #22 in kssproject)
and on IE.
[ree]

- Fix error fallback handling
[ree]

- Implement loglevels based on cookies
Add cookie handling code to kss.dom
Change logging on FireBug to avoid line info in debug
level messages
[ree]

- Implement event binding based on the ids fetched
dynamically from the dom, by value providers.
[ree]

- Store some data on HTML nodes for FireKiss
[gotcha]

- Enhance javascript exception, they now properly show
the place where the exception generated, and also the
annotated error reasons of kss.
[jvloothuis, ree]

- Allow multiple selectors separated with commas for a single
set of property in a rule
[gotcha, laz, jfroche]

- Changed kukit payload to encode HTML content of CDATA.
This was necessary because us a supposed bug in FF, that
prevented us to use base2 (xpath selection did not work
on inserted elements, due to namespace issues.)
Get rid of forceToDom, make sure all plugins accept html
parameters as strings.
[ree, jvloothuis]

1.2 (2007-08-17)
----------------

- Move ;;; markers to first columns.
[gotcha]

- Fix credits.
[gotcha]

- Fix identifiers to have coherent styling (CamelCase).
[gotcha]

- Some refactoring to allow Firekiss plugin.
[gotcha]

- Fit code on 80 columns.
[gotcha]

- Cleaned up error messages.
[gotcha]

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