Porcupine is a Web application server that provides front-end and back-end revolutionary technologies for building modern data-centric Web 2.0 applications.
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This release introduces remarkable new features on the server side, including a configurable in-memory object cache and a new post-processing filter for easy i18n output. On the browser side, QuiX has minor improvements to better support Internet Explorer 7, and the rendering performance is greatly improved by minimizing the number of redraws required when drawing new interfaces from XML. A new type of QuiX servlet utilizes the Python "string.Template" module, resulting in simpler and more readable QuiX templates.
This release introduces many improvements that ease and accelerate the development process. It is now possible to develop your application working inside a single folder tree. The QuiX engine is fully compatible with Internet Explorer 7 and includes a completely rewritten event subsystem, in order to achieve a unified way of attaching and detaching DOM and custom event handlers. It also includes two new widgets: an IFrame widget and a group box.
This release includes support for WSGI and HTTP cookies. QuiX has a new box layout widget and a unified XMLRPC module. Additionally, QuiX windows support a new "onclose" event, triggered just before the window is closed. The session ID is stored in a cookie, instead of being injected into the URL. This new feature, along with the "max-age" attribute added to Porcupine registrations, results in better utilization of the HTTP cache. Finally, each user can select the desired application to be launched automatically immediately after successful login.
After applying this hotfix, the context menu displayed when you right-click on the desktop task bar and the menu of the "User and Groups Management" application are updated correctly.
This release includes numerous enhancements, but
also introduces some major QuiX API changes. The
base widget class (Widget) has been refactored
such that a single attribute change does not
require a full redraw. This release also
introduces the term "off-line widget", a major
performance enhancement. A widget hierarchy can be
detached in memory, and attached again, whenever
this is needed. On the server side, a new utility
has been included. The "db_init" script
initializes a blank Porcupine database. Localized
strings are now kept inside UTF-8 encoded Python
script files.
