You can customize the GUI Designer's component Palette, adding groups to organize your own custom UI components and/or components from one or more third-party libraries. You can also edit the contents of any existing Palette groups to add or remove components.
- Install the desired archives of UI components in a location accessible to your computer. One of the possible locations is the lib folder of your IntelliJ IDEA installation.
- Open the Project Settings dialog.
- Configure the archives of UI components.
- In the GUI Designer Palette, create groups and add UI classes or forms.