Data Import - Pre-select column selection

[jkmarx]

• Pre-select column 1 for Sample, column 2 for file and column 3 for organism
• Filter data to avoid blanks in selection fields for required fields

[jkmarx]

Update data import UI

[jkmarx]

https://docs.angularjs.org/api/ng/directive/ngOptions

Issue pre-selected for the selection menus using select as and track by

[jkmarx]

http://stackoverflow.com/questions/13916726/angularjs-using-index-in-ng-options

[jkmarx]

Had to revise the html to avoid select using for (id, value) with as and track-by in the same line in order to pre-select. See above link. Before the api call, grabbed index from the select.