java - How to draw lines between SWT TreeItems -


i need write editor 2 trees, user can map nodes 1 tree another. biggest challenge draw connection line between treeitems.
there samples can use?

there link jdeveloper xsd mapper tree view https://technology.amis.nl/wp-content/uploads/images/xsdmapper.jpg

there related question here.

enter image description here

there nebula treemapper. looks this:

enter image description here


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