davout,
AngularJS is not part of MyEclipse IDE yet.
With 2015 CI 6 onwards, you can add the Angular JS Eclipse plugins into MyEclipse, as we have integrated the Tern plugins that this IDE needs to function well inside MyEclipse. We are currently focusing on shoring up our JS support so we have a good base for Angular integration.
We are very bullish on Angular and will be adding first class support in the coming months.