Heres the code that creates a Dialog which allows the user of your application to change the Look And Feel based on the user's systems. The TOAST UI calendar uses Google Analytics (GA) to collect statistics on open source usage, in order to determine the extent of TOAST UI calendar use worldwide. Now your service has got the customizable calendar. TOAST UI Calendar is a full-featured JavaScript schedule calendar. My goal is to provide a fully customizable L&F with a pack of additional widely-known and useful components (for example: date chooser, tree table, dockable and document panes and lots of other) and additional helpful managers and utilities, which will reduce the amount of code required to quickly integrate WebLaF into your application and help creating awesome UIs using Swing. A Simple Dynamic Calendar In Javascript tui.calendar. Its even worse when it comes to custom/3rd party components styling - they doesn't look similar to other components styled by some specific L&F or even totally different - that makes your application look unprofessional and unpleasant. Now, 10 years later, an entirely new Dark Theme is launching.
Main reason why i have started with a totally new L&F is that most of existing L&F lack flexibility - you cannot re-style them in most cases (you can only change a few colors and turn on/off some UI elements in best case) and/or there are only inconvenient ways to do that. Update June 2014: As mentioned din 'Dark Theme, Top Eclipse Luna Feature 5', Eclipse 4.4 (Luna) has a dark theme included in it (see informatik01s comment):When Eclipse 3.0 shipped in 2004 it brought a new look to the workbench.
You can try L&F which i am developing - WebLaF JGrasp does not show you errors until compile time.