Added an "Add Crossref Citations" Rstudio addin

[haozhu233]

Hi, Scott,

Following what I said in my email, I just made a draft of a Rstudio addin, that will save crossref citations to a local bib file. Please review it when you have time. :)

Screenshots:

[codecov-io]

Current coverage is 54.60% (diff: 0.00%)

Merging #114 into master will decrease coverage by 5.07%

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Powered by Codecov. Last update ddd11d1...28a22ba

[sckott]

Thanks, will have a look

[sckott]

@haozhu233 had a look:

• can you possibly give the labels for each citation something related to the paper? e.g., I put in two DOIs 10.1002/(issn)1939-9170 and 10.4996/fireecology and the gave

@misc{1,
    doi = {10.1002/(issn)1939-9170},
    url = {http://dx.doi.org/10.1002/(issn)1939-9170},
    publisher = {Wiley-Blackwell},
    title = {Ecology}
}

@misc{1,
    doi = {10.4996/fireecology},
    url = {http://dx.doi.org/10.4996/fireecology},
    publisher = {Association for Fire Ecology},
    title = {Fire Ecology}
}

both labeled with 1 - I realize those two citations do not have author information, but perhaps they can be labeled uniquely somehow

• I noticed when using the add when you do a 2nd or 3rd press of Add My Citations with a DOI you don't get the info printed as you do on the first, e.g., see below

[haozhu233]

@sckott Hi, Scott, I just made some changes to this PR to fulfill your feature request and fix that bug.

Now you will have the first word of the title as label if author is not available

@misc{Ecology,
    doi = {10.1002/(issn)1939-9170},
    url = {http://dx.doi.org/10.1002/(issn)1939-9170},
    publisher = {Wiley-Blackwell},
    title = {Ecology}
}

@misc{Fire,
    doi = {10.4996/fireecology},
    url = {http://dx.doi.org/10.4996/fireecology},
    publisher = {Association for Fire Ecology},
    title = {Fire Ecology}
}

@article{Notes_1907,
    doi = {10.2307/4070372},
    url = {http://dx.doi.org/10.2307/4070372},
    year = 1907,
    month = {jan},
    publisher = {{JSTOR}},
    volume = {24},
    number = {1},
    pages = {118--120},
    title = {Notes and News},
    journal = {The Auk}
}

I also fixed that bug that will disable the preview of 2nd (or later) entry. Please review. Thanks! :)

[sckott]

thanks, looks better, though on check I get

✔  checking foreign function calls
N  checking R code for possible problems
   crAddins : server: no visible global function definition for
     ‘reactiveValues’
   Undefined global functions or variables:
     reactiveValues

[haozhu233]

Sorry, I forgot to add that to the NAMESPACE. Now it's in. :)

[sckott]

thanks!