Task-Focused UI

Alt+Click navigation

When a view is in Focused mode, you can Alt+Click a node in order to temporarily show all of it's children.

Automatically toggle focus on navigator views

For navigator views ( Package Explorer, Project Explorer and Navigator) the Apply Mylyn button can be set to automatically toggle on with task activation and off with task deactivation. Note that the context-related preferences (including this one) are in Preferences -> Mylyn -> Context.

Working Set integration

When Focus is applied to a navigator view the working sets filter for that navigator view will be disabled, ensuring that you see elements when working on elements that span working sets. In order to force only elements within one working set to show do the following:

Focus the Java Browsing Perspective views

The leftmost toolbar button visible in the image below will toggle focus on the Packages, Types and Members views of the Java Browsing Perspective.