Use vendor guidelines for custom types

[kathi-fletcher]

src/plugins/oer/math/lib/math-plugin.coffee

Lines 143-158

• it on the clipboard with a different content type. This will prevent the

• cleanup that the browser does on namespaces. Use this alternative content

• type again when pasting. Prevent the browser default. This will only work

• in browsers that support event.clipboardData, chrome and safari to date.

• editable.obj.on 'copy', (e) ->

•  content = e.oerContent or Aloha.getSelection().getRangeAt(0).cloneContents()
  

•  $content = $('<div />').append(content)
  

•  # If there is math among the content we're copying, treat it specially.
  

•  # Check that we also have a script tag in our selection, that occurs
  

•  # towards the end of the math and ensures we have the whole of it.
  

•  # The idea is to only do custom copy/paste if we need it, and let the
  

•  # browser handle other content. Also buffer it in our local copy buffer.
  

•  if $content.has('span.math-element').length and $content.has('script').length
  

•    e.preventDefault()
  

•    clipboard = e.clipboardData or e.originalEvent.clipboardData
  

Phil's comments: can this follow the custom vendor mimetype recommendations and be application/vnd.oerpub+text? (or, as a fallback, text/x-oerpub). Also, since it is used several times in the file can it be moved up as a const to the top of the file?

•    clipboard.setData 'text/oerpub-content', $content.html()