Package: shinyEvents 2.3

shinyEvents: Shiny wrapper with event handlers instead of reactivity

Shiny is a great package. Yet, for more complex projects, with much dynamic UI, I find it hard to write clean code with its reactivity paradigm. This package wraps shiny into a more traditional programming approach: - event handlers for input changes and button clicks - explicit update functions to change outputs - no explicit server function

Authors:Sebastian Kranz

shinyEvents_2.3.tar.gz
shinyEvents_2.3.zip(r-4.7)shinyEvents_2.3.zip(r-4.6)shinyEvents_2.3.zip(r-4.5)
shinyEvents_2.3.tgz(r-4.6-any)shinyEvents_2.3.tgz(r-4.5-any)
shinyEvents_2.3.tar.gz(r-4.7-any)shinyEvents_2.3.tar.gz(r-4.6-any)
shinyEvents_2.3.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
card.svg |card.png
shinyEvents/json (API)

# Install 'shinyEvents' in R:

install.packages('shinyEvents', repos = c('https://skranz.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/skranz/shinyevents/issues

On CRAN:

shiny

4.99 score 36 stars 7 packages 26 scripts 105 exports 31 dependencies

Last updated from:092ea663d7 (on master). Checks:7 WARNING, 2 OK. Indexed: yes.

Target	Result	Time
linux-devel-x86_64	WARNING	151
source / vignettes	OK	177
linux-release-x86_64	WARNING	108
macos-release-arm64	WARNING	112
macos-oldrel-arm64	WARNING	91
windows-devel	WARNING	87
windows-release	WARNING	78
windows-oldrel	WARNING	77
wasm-release	OK	133

Exports:aceHotkeyHandler addCssClass addEventHandlerToApp addEventsAppExtraTags addEventsToSession addHandlersToSession addShinyEventsRessourcePath appendToHTML appInitHandler appReadyToRun autcomp.function.args autocomp.cols autocomp.find.current.function autocomp.js autocomp.vars bottomScript buttonHandler buttonHandlerJS callJS changeHandler checkboxChangeHandler classEventHandler customEventHandler destroyHandlerObserver display documentClickHandler documentClickHandlerJS dsetUI evalJS eventHandler eventsApp examples.click examples.form.widgets examples.to.style examples.widgets find.varname.at.end.of.string fun.arg.names getApp getAppEvent getAppSession getCurrentSession getDefaultAppEvents getInputValue hasUpdater hasWidgetValueChanged idEventHandler ids2sel imageClickHandler initHandlerCallEnv initialQueryDispatch js.event.triggered makeEventsId moveBottomScripts open.url.from.app prependToHTML random.string registerEvent removeCssClass removeEventHandler runEventsApp sc selectChangeHandler selectChangeHandlerJS set.autocomplete.list setApp setAppHasBottomScript setAppIsAuthenticated setAppSession setAppUI setDataTable setDownloadHandler setHtmlAttribute setHtmlCSS setHtmlHide setHtmlShow setImage setInnerHTML setPlot setPrint setRHandsontable setTable setText setUI setWidgetValues simpleButton simpleCheckbox singletonBottomScript slimCollapsePanel smallButton svgClickHandler swapCssClass test.event.authentication timerHandler to.style updateDataTable updateDownloadHandler updateImage updatePlot updatePrint updateRHandsontable updateTable updateText updateUI viewApp wasAceHotkeyPressed

Dependencies:base64enc bslib cachem cli commonmark digest fastmap fontawesome fs glue htmltools httpuv jquerylib jsonlite later lifecycle magrittr memoise mime otel promises R6 rappdirs Rcpp restorepoint rlang sass shiny sourcetools withr xtable

Citation

Development and contributors

Readme and manuals

Help Manual

Help page	Topics
Add an handler to a hotkey in an aceEditor component	aceHotkeyHandler
Append HTML code to a DOM element	appendToHTML
Set a function that will be called when a new session of an app is initialized.	appInitHandler
set the app ready to run	appReadyToRun
If app is not running, mark script to be added at the bottom and return NULL If app is already running return script directly	bottomScript
A more efficient version of button handler via global eventId handler	buttonHandler
Call a javascript function or method with R arguments	callJS
Add an handler to an input that is called when the input value changes	changeHandler
An event handler for objects with given class	classEventHandler
A custom event handler. Need to write correct css.locator	customEventHandler
Directly setUI , also works for hidden UI	dsetUI
Evaluate arbitrary java script code in the client's web browser	evalJS
Generate an empty shiny events app	eventsApp
get the current app object	getApp
Get the session associated with the app object	getAppSession
Get the current session object	getCurrentSession
Get an input value from the current session	getInputValue
Checks whether the value of an input item has been changed (internal function)	hasWidgetValueChanged
An event handler for an object with given id	idEventHandler
Transform a vector of ids to a jQuery selector string	ids2sel
Handler for an image click	imageClickHandler
Can be called inside initApp handler fun is a function that gets an argument query and can do some initial dispatch depending on the query. For some reason we need to use the observer trick to get access to the query object. This means dispatch takes place after other commands in the initApp handler.	initialQueryDispatch
Given a tag object, extract out any children of tags$head and return them separate from the body.	moveBottomScripts
Prpend HTML code to a DOM element	prependToHTML
run shiny events app	runEventsApp
Add an handler to an input or select that is called when the input value changes	selectChangeHandler
set the current app	setApp
set the main ui object for the app	setAppUI
Update an dataTableOutput object.	setDataTable
Shiny events version of downloadHandler	setDownloadHandler
Set attributes of HTML elements	setHtmlAttribute
Set css style of HTML elements	setHtmlCSS
Hide HTML elements	setHtmlHide
Show HTML elements	setHtmlShow
Update an output object. Can be used instead of renderImage	setImage
update an plotOutput object. Can be used instead of renderPlot.	setPlot
Update an textOutput object. Can be used instead of renderPrint	setPrint
Update an RHandsontable object. Can be used instead of renderRHandsontable	setRHandsontable
Update an tableOutput object. Can be used instead of renderTable	setTable
Update an textOutput object. Can be used instead of renderText	setText
Update an uiOutput object. Can be used instead of renderUI	setUI
If app is not running, mark script to be added at the bottom and return NULL If app is already running return script directly	singletonBottomScript
Handler for an image click	svgClickHandler
Add an handler that triggers every intervalMs milliseconds	timerHandler
Update an dataTableOutput object. Can be used instead of renderDataTable	updateDataTable
Shiny events version of downloadHandler	updateDownloadHandler
Update an output object. Can be used instead of renderImage	updateImage
update an plotOutput object. Can be used instead of renderPlot.	updatePlot
Update an textOutput object. Can be used instead of renderPrint	updatePrint
Update an RHandsontable object. Can be used instead of renderRHandsontable	updateRHandsontable
Update an tableOutput object. Can be used instead of renderTable	updateTable
Update an textOutput object. Can be used instead of renderText	updateText
Update an uiOutput object. Can be used instead of renderUI	updateUI
view shiny events app in RStudio viewer	viewApp
Checks whether a button has been pressed again (internal function)	wasAceHotkeyPressed