IntelliJ Platform Plugin SDK Help

Navigation

The Go to Declaration or Usages action is performed in several steps.

Direct Navigation

Direct navigation is the navigation from PsiElement to another PsiElement, such as navigation from break keyword to the end of a loop in Java, without showing any popups.

To provide PsiElement for direct navigation, implement and register DirectNavigationProvider.

Symbol Navigation

If there is no Direct navigation available under the caret, then the IntelliJ Platform proceeds with Symbol navigation. In this step the IntelliJ Platform computes the navigation targets based on target symbols, which it obtains by resolving a reference. If there are several target symbols or several navigation targets defined for a symbol, then the IDE shows the navigation popup to ask the user to choose where to go.

The NavigationTarget is essentially a pair of a Navigatable and a TargetPopupPresentation.kt instances (where to go and what to show in the popup).

To provide navigation targets by a Symbol, either:

Showing Usages

If there are no navigation targets available, then the IntelliJ Platform starts finding usages of the target symbol obtained by resolving a reference or from a declaration.

Last modified: 07 April 2021