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Task Flow navigation using QueueActionEventInRegion on ADF Region

A common requirement in Oracle ADF is to perform navigation within an ADF region triggered by the parent page. While contextual event is one option to perform this task, the queueActionEventInRegion method exposed on the RichRegion instance is another. The queueActionEventInRegion performs navigation following control flow cases defined for the current view exposed in the region. Control flow cases can be flows that are defined from the view activity to a next activity or...

Wednesday, April 18, 2012 | ADFc | Read More

Gotcha when using JavaScript in ADF Regions

You use the ADF Faces af:resource tag to add or reference JavaScript on a page. However, adding the af:resource tag to a page fragment my not produce the desired result if the script is added as shown below <?xml version='1.0' encoding='UTF-8'?><jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.1" xmlns:af="http://xmlns.oracle.com/adf/faces/rich"> <af:resource type="javascript"> function yourMethod(evt){ ... }</af:resource> Adding scripts to a page...

Wednesday, March 28, 2012 | JavaScript | Read More

URL Task Flow vs. WSRP Portlets

A URL task flow is bounded task flow that is deployed as a stand-alone Java EE application on a remote server with its URL Invoke property set to url-invoke-allowed. The URL task flow is accessed either from a direct browser GET request or, when called from another ADF application, through the task flow call activity. For more information about how to invoke URL task flows from a task flow call activity see chapter 15.6.4 How to Call a Bounded Task Flow Using a URL of the...

Monday, March 19, 2012 | ADFc | Read More

Using af:serverListener as a JS client-server proxy

Despite of ADF Faces having a client side JavaScript architecture, JavaScript rule #1 in ADF Faces is to use JavaScript as a fallback option only for development use cases in which there is no native solution to a problem. A built-in feature of the ADF Faces JavaScript client architecture is security that disallows certain component properties like disabled and readOnly to be changed from JavaScript. To quote the JavaScript doc for the AdfRichInputText object: http://docs.oracle...

Thursday, March 8, 2012 | JavaScript | Read More

Creating a custom master-detail presentation using af:panelAccordion

ADF Code Corner sample #81 explains how-to create a custom layout to render master-detail information. In the sample ADF Faces panel tabs are used to render the master data and DVT components are used in the panel tabs to show the detail information. http://www.oracle.com/technetwork/developer-tools/adf/learnmore/81-master-detail-tab-with-graphs-394252.pdf http://www.oracle.com/technetwork/developer-tools/adf/learnmore/81-master-detail-tab-with-graphs-394253.zip The sample...

Monday, March 5, 2012 | ADFv | Read More

Solving JDeveloper 11gR2 issue with ADF Faces login page in IE8

Using Microsoft IE8, forms based authentication in which the login form is built with ADF Faces doesn't load and instead the browser console report complains about invalid or undefined ADF Faces JavaScript objects. The problem that has been reported for JDeveloper 11g R2 using ADF Faces with Facelets seems to occur only for applications using the ADF Security "ADF Authentication" configuration option in combination with an ADF Faces based login form. Using the ADF Security...

Thursday, March 1, 2012 | ADF Security | Read More

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