I have installed IntelliJIdea 14.0.2 just now. I do not know its default editor but it is opening my source files in vi
option now. So, not letting me do default ac
If you wanna use vim and also shortcuts like Ctrl+C/Ctrl+V/Ctrl+X, you may redefine the shortcuts as IDE shortcuts in:
File-->Settings-->Other Settings-->Vim Emulator
If you don't want to uninstall vi, you can either turn it off, like @redredtokki states (Tools > VimEmulator), or
Change the Ctrl-X and Ctrl-V keys in File > Settings
under: Editor > Vim Emulation:
Change the column on the right from "Vim" to "IDE".
If you don't need vi keybindings, uninstall the IdeaVIM plugin.
disable below option in menu bar.
Tools -> VimEmulator(Ctrl + Alt + V)