EMF Compare/Textual diff in model diff

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When settings of EAttributes are different, the EMF compare tree editor only show a "modified difference". This is somewhat insufficient when comparing an EAttribute being used for storing documentation, comments or even source code. In such a case, we would like to provide the ability to open a textual diff editor in a popup windows (as JUnit failure opens when comparing different expected and computed results).

Junit-compare-2.gif

We propose to open such an editor by double-clicking on a EAttribute diff setting in the tree editor. The kind of EAttribute pertinent for this use has the following properties:

  • eType.instanceClassName : java.lang.String
  • changeable: true
  • derived : false
  • transient : false