Taskflow
New on ADF Code Corner: How to access remote task flows from your ADF applications
Tuesday, July 13th, 2010ADFc remote task flows are bounded task flows that are deployed as Java EE applications to a server for clients to access. Remote task flows use JSPX documents for their views and are open for direct browser access. Like bounded task flows in ADF libraries, remote task flows are a design pattern for sharing business [...]
Gotchas when using memory scope prefixes in EL to access managed beans
Tuesday, March 9th, 2010Interesting post on the Oracle JDeveloper Oracle internal mailing list, answered by Andrew Robinson. Accessing a managed bean in a standard servlet scope like sessionScope or requestScope using the scope as a prefix fails if the bean instance does not exist. Thus, bean reference like #{sessionScope.myBean} may fail while #{myBean} always succeeds. The reason for [...]
ADF Code Corner : How-to Edit Bounded Task Flows in a new Browser Tab (Tab Browsing)
Thursday, February 25th, 2010Just finished a new blog article about launching a bounded task flow in a new browser tab. This article addresses the popular tab browsing feature in browsers, showing how – assuming the business use case requires it – you do the same in ADF Faces. The specialty is that the tab browsing is not initialted [...]
JDeveloper 11g R1 PS1 New Feature: Launching DHTML popup dialogs using the external dialogframework
Friday, November 13th, 2009A new feature added in JDeveloper 11g R1 PatchSet 1 is the ability to display the AD Faces external dialog framework as an inline DHTML dialog. This allows developers to specify navigation cases using the “dialog:” pre-fix that are then opened in an inline popup. The external dialog window functionality of using a launch and [...]
How-to use Contextual Events in ADF Region interaction
Wednesday, October 21st, 2009I did a lot of work with contextual events, as well as ADF region interaction, when writing chapter 6 of the Fusion Developer Guide Lynn Munsinger and I wrote for the Oracle Press series at McGraw Hill (book is going to be released in January 2010), which is why I offered a presentation on this [...]
A declarative approach to base a router decision on the outcome getEstimatedRowCount
Thursday, February 19th, 2009This article describes a declarative approach to use the outcome of the ADF Business Components getEstimatedRowCount method in a router decision within a bounded task flow. The usecase is a bounded task flow that creates a new record if no record exist before navigating to an edit form. If a record exist then the [...]
How-to cancel an edit form, undoing the edits with ADFm Save points
Friday, January 9th, 2009This how-to document describes one of the two options available to cancel an edit form in ADF Faces RC without a required field message being raised by the client validator. Canceling an edit form with ADF requires more than just setting the immediate property set to true on the command button. It requires some housekeeping [...]
ADF Faces: Building a search form showing the results in a taskflow using an af:popup component
Tuesday, February 19th, 2008One of the areas that really rocks in JDeveloper 11 is taskflows. To program usecases that involve taskflows can keep you busy for weeks if the goal is to provide a library of code examples. The usecase explained in this blog post is quite simple and is based on frequent requests posted on the JDeveloper [...]
