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Oracle ADF integration with Google Maps API3 – use cases

Use case 1 – display route Consider the following scenario: a route is composed by an ordered list of marker points saved in DB with information regarding name, latitude and longitude. For a selected route you want to display the map in a popup with a coloured route between the points which compose the route. To resolve [...]

Enable 64-bit computing in your windows based development environment – JDeveloper 11gR2 and WebLogic Server 10.3.5.0

In what follows we will enable 64-bit computing capabilities in our windows 7 x64 based development environment – JDeveloper 11gR2 (11.1.2.0.0) and WebLogic Server 10.3.5.0. Prequisites 64-bit capable machine with 64-bit OS – we’ ll be using Windows 7 Professional x64. JDeveloper 11gR2 and WebLogic Server 10.3.5.0 – JDeveloper Studio Edition 11.1.2.0.0 package for Windows contains them both. JDK for [...]

JDeveloper OutOfMemoryError side effects

Last week while trying to install JDeveloper 11g R2 I noticed that one of my partitions – the one where all Oracle software is installed – was full. So , I started looking for the space leak by checking the size of each dir and found out that Oracle Home directory, where all Middleware Homes reside, [...]

ADF Runtime, WebLogic Server and WebLogic Domain – install and configure on linux using console mode

In the following we will use console mode on a linux machine to install Application Development Framework Runtime and WebLogic Server and to create & configure a new WLS Domain ready to host ADF applications. Prerequisites JDeveloper Studio Edition package for linux (.bin) – which besides JDeveloper IDE also contains ADF Runtime and WebLogic Server. The current version [...]

ADF Drag and Drop Hints

In this post we will use keyboard hints together with drag-and-drop behavior in order to let the user choose the action (copy or move) to be executed for the dragged adf component when the drop event occurs. Scenario PanelBox1 – we’ll refer to it as ‘Man in black‘ and PanelBox2 – we’ll refer to it as ‘Lady in [...]

ADF Pagination using af:inputNumberSlider and af:iterator/af:forEach

In what follows we will use af:inputNumberSlider and af:iterator components in order to implement pagination in ADF. Scenario Press to fetch the next page with employees: Press to update the slider with the next range (10 pages): We use af:iterator component to iterate over HR Employees and af:inputNumberSlider component to implement the navigation functionality. Each page will display 6 employees, [...]

ADF DVT Graph – series and groups tags

Recently I used the ADF DVT barGraph component in order to implement a set of statistics and I noticed that by default the graph bars were assigned with the same color. How to configure the dvt:barGraph (or dvt:horizontalBarGraph) to assign a different color for each of its bars? Scenario Now, let’ s say that you would like to display [...]

Oracle ADF invokeAction

This posts presents a workaround regarding the issue of invokeAction calling twice and other alternatives to resolve this problem. I’ll start with a fragment from Oracle’s documentation guide:Oracle recommends either adding an appropriate RefreshCondition expression (if you want it evaluated during both phases) or changing the default Refresh setting for invokeAction bindings to either prepareModel or [...]

ADF BC ViewLink, ViewLinkAccessor and Groovy

In this post we will use Groovy scripting language with ADF BC in order to fetch and calculate values for exposed (child/parent) view objects attributes. With respect to ViewLinkAccessor Type attribute we will focus on two cases: oracle.jbo.Row and oracle.jbo.RowIterator. The accessor type is generated with respect to the Cardinality of the View Link. So, if we define a view link [...]

Handle response from URL View

This post describes a mechanism of controling the response received in your application’s context after accessing an URL View defined in your task flow. I consider the following scenario: Let be a page in your task flow which invokes a control flow case by pressing a button The control flow case points to a URL View which [...]