From: Mormegil <mormegil@centrum.cz>
Date: Thu, 27 Oct 2016 10:34:07 +0000 (+0200)
Subject: Ensure IE/Edge compatibility for routing drag&drop
X-Git-Tag: live~4351^2
X-Git-Url: https://git.openstreetmap.org./rails.git/commitdiff_plain/caac9a94033bf6bea1f2eb05f23aa9898e236d3d?hp=caac9a94033bf6bea1f2eb05f23aa9898e236d3d

Ensure IE/Edge compatibility for routing drag&drop

Use the DataTransfer interface properly, using the `text` format, as
IE/Edge does not support much more. We can JSON-serialize anything
there, even though right now, only a single string would be enough.

Also, IE does not support .setDragImage, so check for support prior
to calling.

Fixes #1343
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