Demo projectfiles available online

Some of you bloggers have been asking for source code of the application. It took me a while to make this available online. One of the reasons is that blogger does not support file upload (other than images).

After googling around for a while, I decided to use googlepages. You can find the project files here. For now there's only a draft version of the MyFacesPopup and the PullDownMenu. Navigation is not yet working in this version of the Menu, but I'm sure you'll get it working.

In my comming posts I will put direct references to the correct version of the dwonloadable demo's.

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ADF 11g popup and panelwindow: Open wikipedia in a modal popup.

This post was more or less inspired by the noteWindow example on Oracles tag demo site. When hovering the highlighted text in this example the user gets extra information about the subject. I wanted to give the end user the opportunity to get even more information, for instance by invoking a wikipedia page about the subject. The catch here is that I wanted this information to be shown in a modal popup, and one that is not prohibited by popup blockers. Luckily ADF 11g provides javascript popups that can also be made modal, so the user has to close the popup before returning to the application. This post describes how I used an in a to open the correct wikipedia in a modal popup. Step 1: Create the plain text that invokes the noteWindow. This is taken directly from the mentioned Oracle example. <p style="margin-left:30px;width:500px;margin-right:30px;line-height:16px"> Vultures are scavenging birds, feeding mostly on the carcasses of dead animals...

ADF 12.1.3 : Implementing Default Table Filter Values

In one of my projects I ran into a requirement where the end user needs to be presented with default values in the table filters. This sounds like it is a common requirement, which is easy to implement. However it proved to be not so common, as it is not in the documentation nor are there any Blogpost to be found that talk about this feature. In this blogpost I describe how to implement this. The Use Case Explained Users of the application would typically enter today's date in a table filter in order to get all data that is valid for today. They do this each and every time. In order to facilitate them I want to have the table filter pre-filled with today's date (at the moment of writing July 31st 2015). So whenever the page is displayed, it should display 'today' in the table filter and execute the query accordingly. The problem is to get the value in the filter without the user typing it. Lets first take a look at how the ADF Search and Filters are implemented by...

ADF 11g : Show PDF in a Popup

In one of my previous posts I showed how to use ADF popup components to display external content such as webpages like wikipedia in an inline frame. Based on this post a colleague of mine tried to display a PDF document. That didn't work. In this post I explain how you can use a servlet to open a PDF document in the inline frame. I will not explain how to invoke popups. If you need to know how to do that, refer to the post mentioned earlier. How to create the servlet ? The solution for showing a PDF in a popup is to use a servlet. It's possible to have a servlet deliver PDF content to the browser by specifying the content type of the servlet response to be the 'application/pdf' MIME type via 'response.setContentType("application/pdf")'. In JDeveloper you can create a HTTP servlet very easy via the new gallery. I decided to call the servlet ShowPdfServlet which actually is a pretty descriptive name for this servlet. For the servlet mapping I accept th...

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