Marble is a virtual globe and world atlas — your Swiss army knife for maps. Find your way and explore the world!

We are working on integrating support for KML Tours into Marble. The user interface will be a panel (like Routing, Map View, ...) where a tour can be loaded from a .kml file, edited, played and also recorded to a movie file. In this task you'll add a toolbar to the user interface with buttons for tour modifications: Inserting, deleting and changing the order of primitives.

• Add a ToolBar to the top or the bottom of the TourWidget. Add several ToolButtons to it:
• "Add FlyTo". Inserts a FlyTo item using the coordinates of the map center below the selected playlist item, or at the end of the playlist if none is selected
• A separator
• "Move up". When clicked, it swaps the currently selected playlist item with the playlist item above it. It should be disabled when no suitable playlist item is selected
• "Move down". Like "Move up", but swaps with the one below.
• A separator
• "Delete". Removes the currently selected items. Should issue a confirmation dialog (just one, even for multiple selections)
• Ideally the actions support multiple selections wherever it makes sense. E.g. for deleting, or for moving unless all are selected
• You may have to extend GeoDataPlaylist for appropriate primitive actions
• Modifications to the tour should be announced via a signal. Connect it to a slot that calls updateFeature() on the GeoDataTreeModel. Otherwise the view would crash at some point

Helpful links:

• The easiest way to reach Marble developers to help you is to visit the #marble IRC channel in freenode. Watch out for Earthwings
• http://marble.kde.org/