Data Export

The data export page is a react app, with the following classes and methods, located at /dcc/dcc/static/js/dataExport.js.

heatMapOptions()

Create the list of select options used for the y-axis of the heat map based on the key-value pairs in sideBarContent

csrfSafeMethod(method)

Set up csrf authentication for all ajax calls

sortByKey(array, key)

Sort an array of objects by a specific key

sortByNestedKey(array, keys)

Sort an array of objects by a two keys, one nested inside the other

Arguments:

• array (array) – a nested array
• keys (string) – two nested keys given as a string separated by a “.”

class FileTable()

The overall parent component rendering the data export table view

loadTableFromServer()

Initial data load from the server and save it in the state (can take a long time)

updatePageCount()

Update the pagination page count

handlePageChange()

Update the state for currentPage when the pagination page changes

createSeriesElements()

Create the SeriesElement components

Returns:array – an array of divs, one div per Series Element

clearFilter(category)

Remove all or specific filter terms

Arguments:

• category (string) – if no category is specified all filters will be removed

searchUpdated(term)

Filter based on search input field (after more than three characters have been entered)

Arguments:

• term (string) – the entered search term

deleteItem()

Remove selected data item from selection

afterSelect()

Open drawer after data item was selected

selectHeatMapOption()

Select the attribute for y-axis in the heatmap

filterData()

Filter the data based on selected facets and/or entered search terms

filterFacet(selectedFacets)

Initiate filtering based on selected facets

Arguments:

• selectedFacets (object) – An object, where each key correspond to a key in the dataExport.json and the value to a specific value for the given key in the dataExport.json

heatMap2SideBar()

filter data based on selection of a tile in the heatmap

toggleView()

toggle between table and heatmap view

downloadZip()

send a file request to the server to recieve an tar zipped archive for the selected data items

downloadURL()

create a file called ‘DCC-urls.txt’ with the urls to the selected data items (without contacting the server)

Returns:type – description

selectAll()

select all (filtered) data items of the table, including those hidden because of pagination

Returns:type – description

showTitleOn()

display the ids as title for the items

showTitleOff()

remove the ids as title for the items

class HeatMapSelect()

The select field for the y-axis of the heat map

class Facet()

The parent facet, which contains a list of facet elements

class FacetElements()

The individual elements inside a facet

toggleMore()

Toggle between shortened and full list

handleClick(key, category)

Filter by clicked facet element

Arguments:

• key (string) – name for the value of the facet element in the dataExport.json
• category (string) – key for the facet element in the dataExport.json

class Biosamples()

Card-like element displaying the biosample information. Nested inside it are similar card-like elements for biosample replicate, applied assay, sequencing and data metadata. Uses a specially styled <dl> to show small metadata keys and larger metadata values.