This package provides an input field to enter matrix conveniently in a shiny application. It supports tabbing and jumping linewise in the matrix, copy-pasting from other spread sheets applications.
From CRAN:
From GitHub:
The input field is generated by the function matrixInput
matrixInput <- function(inputId,
value = matrix("", 1, 1),
inputClass = "",
rows = list(),
cols = list(),
class = "character",
paste = FALSE,
copy = FALSE){
[...]
}You can define parameters as follows:
| Parameter | Description |
|---|---|
inputId |
id of html element |
value |
matrix |
inputClass |
class of html element (Class matrix-input is added automatically) |
rows |
list of parameters (see below) |
cols |
list of parameters (see below) |
class |
class of resulting matrix (numeric and character) is supported |
paste |
add pasting functionality |
copy |
add copy functionality |
Parameter rows / cols take a list of arguments. The following is supported
| Parameter | Description |
|---|---|
n |
number of rows (is calculated from value per default) |
names |
show row/colnames (names are taken from value) |
editableNames |
should row/colnames be editable? |
extend |
should rows/cols be automatically be added if table is filled to the last row / column? |
delta |
how many blank rows/cols should be added |
createHeader |
name of javascript function to override default function to create table header. The function needs to have the table element and the data object as argument |
updateHeader |
name of javascript function to override default function to update table header. The function needs to have the table element and the data object as argument |
getHeader |
name of javascript function to override default function to get names from the html table. The function needs to have the table element as argument |
Call the matrixInput function in your UI generating, e.g. ui.R
## numeric matrix
matrixInput("matrix1", class = "numeric")
## editable rownames
matrixInput("matrix2",
rows = list(
names = TRUE,
editableNames = TRUE),
data = matrix(letters[1:12], 3, 4)
)You can access the value from the matrix input using input$inputId in your server function. The result will always be a matrix of the class defined in matrixInput.
You can update the input field using updateMatrixInput
value is the data object. In the future there should be also support to update the other parameters.
You find the code for the example app in inst/appXXX.
library(shinyMatrix)
## Basic Functionality
startApplication("app")
## Copy Pasting
startApplication("appCopy")
## Update Matrix Input from R
startApplication("appUpdate")
## Editable rownames
startApplication("appRownames")
## Extend Matrix Automatically
startApplication("appExtend")
## Custom Column Header
startApplication("appCustom")