While thinking about how to implement and style a slick text based filter for data shown in a Flex DataGrid I stumbled upon the solution when searching for some of my favorite songs in iTunes. The search field in iTunes offers exactly the functionality I was looking for, packed in Apple’s usual understated style. Well, … Read more
There is an excellent article over at newtriks (referencing other excellent articles regarding this subject) on how to add skin states to Flex 4 Containers using ActionScript. I implemented my custom SkinState using the information provided, but never succeeded. There was definitely something missing, which was not obvious to me.
Determine if an element is visible in a scrollable Spark DataGrid
Posted by in Flex | Software Development - (0 Comments)By digging in the Flex 4.5 API docs I’ve found a way to determine if a certain element (object) of the spark.components.DataGrid.dataProvider is visible in the viewport of the spark.components.Scroller wrapping the DataGrid.
Flex 4.5 MySQL Query Browser
Posted by in Actionscript | Flex | PHP | Software Development - (2 Comments)I was looking for a simple MySQL query browser to provide individuals who wish to learn SQL with a tool to get started. Since I couldn’t find a satisfactory software I decided to create one. The result consists of a Flex interface using Zend AMF for remoting, therefore PHP as backend technology, and is available … Read more
For my latest little Flex project, I used Zend Amf instead of amfphp for remoting. I had no trouble getting started with Zend Amf since I’m familiar with amfphp and there are good resources available on the web ( e.g. Zend Amf Wiki and Flex and PHP: remoting with Zend AMF ). However, one thing … Read more
ActionScript 3 Polygon area calculation
Posted by in Actionscript | Software Development - (0 Comments)In my master thesis in biology, which is actually a Flex application, I wanted to have a simple home range calculation functionality. So I have created (actually ported from Java code) an ActionScript 3 class to calculate the area of an non-intersecting polygon. Download the source (Polygon.as) or read the rest of the article for … Read more
I just started using the AdvancedDataGrid with a SummaryRow. The problem was that the numbers in the SummaryFields were not formatted properly, although the numbers in the data object where ‘formatted’ with number.toFixed() and were shown properly in the AdvancedDataGridColumn . Now, there is no formatting property in the SummaryField class.



