iJs is one of the many implementations of the GNU Gettext. Here I will show how to integrate it to simple ExtJs application. You can use another implementation of the i18n, the only suggestion I can give you is to use the same service for backend and frontend to avoid problems in the future (DRY).

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If you are going to implement localization, internationalization or permissions mechanisms in your RIA, you will have to load the initial data and at the base of this data create appropriate GUI. In this post I will show you how to launch the application after all the global stores are loaded.

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In some cases users have to insert special characters, for example polish alphabet contains some extra letters or umlauts of german alphabet or symbols like a celsius sign “°C”. I have developed this functionality in form of plugin. It inserts a trigger to field which popups the panel with special symbols. The plugin is implmented in two files, the plugin and popup window.

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To provide quick access to particular functions of applications we can implement so called hot keys. ExtJs provides different mechanisms to achieve this functionality, here I will show you how to use‘Ext.util.KeyMap’ class for these purposes. KeyMap will be initialized in the ViewController but for huge applications you can put it in a separate class. Another question is which element will be attached to the KeyMap: Grid or Toolbar, this decision I will leave up to you.

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