XML Editor supports shortcuts

Feature

• The XML Editor supports shortcuts that are intended to enable to work with the Editor without pointing device (mouse) support.
• Shortcuts at tab level: should work when focus is in the left or in the right panel. Currently this works exclusively in the left panel.
  • CTRL S: Save
  • CTRL V: Validate XML
  • CTRL X: Show XML
• Shortcuts at context level of selected element: should work with the focus in the left panel.
  • CTRL +: Expand
  • CTRL -: Collapse
  • CTRL A: Add Child: opens context menu "Add Child"