Relational databases do not support inheritance so if we need to represent it, we have to somehow store meta info while keeping performance by minimizing JOINs. One way to solve this problem is using single table inheritance. All fields for the whole class tree are stored in a single table. Class name is stored in the type field of the same table.
Following on from international dates, I also wanted times in the local timezone and format. This was a little more tricky but I think I've got a solution. This is only really appropriate if you have an international app.
There are two approaches to converting an Artisteer theme. The first is to simply copy an existing Artisteer – based Yii theme, overlay the CSS and images, then make any necessary tweaks to the layout files. This is undoubtedly the fastest route, but won't teach you as much as doing it from scratch. That's ok. Sometimes getting the job done is the top priority. The second approach is more general and will apply to some extent to other HTML templates that you may want to convert. I'll be covering the first approach in detail, while the second will be more of a general discussion.
CHtml::ajaxLink(), CHtml::ajaxSubmitButton() and similar methods are great, but if they are located inside a portion of the page that is already loaded via ajax something bad will happen, something you may even not notice if you are not using tools like firebugs: the sent ajax requests will multiply themselves.