[英]SelectInput not resetting with updateSelectInput in Shiny
我很难弄清楚如何使用updateSelectInput()或updateSelectizeInput()基于一堆输入来对反应数据集进行子集化然后“取消子集化”。 我试图让用户以不特定的顺序从选择输入中选择任何选项，然后更新他们可以在第二，第三，第四，第五等中选择的选项。根据反应性数据集中的值选择输入...并显示更新的数据表。 我正在处理有关船只，国家，港口和日期的数据。 我可以获得要深入研究的功能，但是取消选择选项不会重置输入选项。 我已经花了几个小时用虚假数据制作了可复制的示例。 您应该能够通过复制并粘贴到R markdown文档中来运行我的示例。 代码将从我的GitHub中提取数据。 我希望有人曾经遇到过这个问题，可以为我提供帮助。 我很想听听您的想法。 谢谢你，内特
---
title: "Trying to figure out multiple select inputs"
output:
flexdashboard::flex_dashboard:
orientation: rows
social: menu
source_code: embed
runtime: shiny
---
```{r global, include=FALSE}
# Attach packages
library(dplyr)
library(ggplot2)
library(DT)
library(shiny)
library(flexdashboard)
library(RCurl)
url<- "https://raw.githubusercontent.com/ngfrey/StackOverflowQ/master/dfso2.csv"
x<- getURL(url)
df<- read.csv(text=x, header = TRUE, row.names = 1)
days_of_week <- c("Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday")
months_of_year <- c("November", "December", "January", "February", "March", "April", "May", "June","July", "August", "September", "October")
df[,c("month", "day_of_week", "boat_id", "port_id", "country_id")]<- lapply(df[,c("month", "day_of_week", "boat_id", "port_id", "country_id")],factor)
df$month<- factor(df$month, levels = months_of_year, ordered = TRUE)
df$day_of_week<- factor(df$day_of_week, levels = days_of_week, ordered = T)
df$date_time<- as.Date(df$date_time)
```
Sidebar {.sidebar}
========================================================================
### Input Selectors
```{r shinyinputs}
# Shiny Inputs for Date Range
# Shiny Inputs for Month, Country, MMSI, Name, Port ID, Port Name
uiOutput("dateRangeUI")
uiOutput("monthUI")
uiOutput("dayofweekUI")
uiOutput("countryUI")
uiOutput("portidUI")
uiOutput("boatUI")
plot_data<- reactive({
if(!is.null(input$dateRangeIn)){if(nchar(input$dateRangeIn[1]>1)){df<- df[(as.Date(df$date_time) >= input$dateRangeIn[1] & as.Date(df$date_time) <= input$dateRangeIn[2]),] }} # else{df<- df}
if(!is.null(input$monthIn)){df<- df[df$month %in% input$monthIn,]} # else {df<- df}
if(!is.null(input$dayofweekIn)){ if(nchar(input$dayofweekIn[1])>1){df<- df[df$day_of_week %in% input$dayofweekIn,]}} # else {df<- df}
if(!is.null(input$countryIn)){ if(nchar(input$countryIn[1])>1){df<- df[df$country_id %in% input$countryIn,]}} #else {df<- df}
if(!is.null(input$boatIn)){if(nchar(input$boatIn[1])>1){ df<- df[df$boat_id %in% input$boatIn,]}} #else {df<- df}
if(!is.null(input$portidIn)){ df<- df[df$port_id %in% input$portidIn,]} #else {df<- df}
return(df)
})
output$dateRangeUI <- renderUI({dateRangeInput(inputId ="dateRangeIn",label = 'Date Range:', start = min(df$date_time), end = max(df$date_time))})
output$monthUI <- renderUI({ selectizeInput("monthIn", "Select Month(s)", choices = unique(df$month), selected = NULL, multiple = TRUE, options = list(placeholder = "Click to Select")) })
output$dayofweekUI <- renderUI({selectizeInput("dayofweekIn", "Day of Week", choices = unique(df$day_of_week), selected =NULL, multiple = TRUE, options = list(placeholder = "Click to Select")) })
output$countryUI <- renderUI({selectizeInput("countryIn", "Select Country", choices = unique(df$country_id), selected = NULL, multiple = TRUE, options = list(placeholder = "Click to Select")) })
output$portidUI <- renderUI({selectizeInput("portidIn", "Select Port ID(s)", choices = unique(df$port_id), selected = NULL, multiple = TRUE, options = list(placeholder = "Click to Select")) })
output$boatUI <- renderUI({selectizeInput("boatIn", "Select Boat ID(s)", unique(df$boat_id), selected = NULL, multiple = TRUE, options = list(placeholder = "Click to Select")) })
observeEvent(input$dateRange, {
updateSelectizeInput(session, "monthIn", choices = unique(plot_data()$month))
updateSelectizeInput(session, "dayofweekIn", choices = unique(plot_data()$day_of_week))
updateSelectizeInput(session, "countryIn", choices = unique(plot_data()$country))
updateSelectizeInput(session, "boatIn", choices = unique(plot_data()$boat_id))
updateSelectizeInput(session, "portidIn", choices = unique(plot_data()$port_id))
})
observeEvent(input$monthIn, {
updateDateRangeInput(session, "dateRange", start = min(plot_data()$date_time), end = max(plot_data()$date_time))
updateSelectizeInput(session, "dayofweekIn", choices = unique(plot_data()$day_of_week))
updateSelectizeInput(session, "countryIn", choices = unique(plot_data()$country))
updateSelectizeInput(session, "boatIn", choices = unique(plot_data()$boat_id))
updateSelectizeInput(session, "portidIn", choices = unique(plot_data()$port_id))
})
observeEvent(input$dayofweekIn, {
updateDateRangeInput(session, "dateRange", start = min(plot_data()$date_time), end = max(plot_data()$date_time))
updateSelectizeInput(session, "monthIn", choices = unique(plot_data()$month))
updateSelectizeInput(session, "countryIn", choices = unique(plot_data()$country))
updateSelectizeInput(session, "boatIn", choices = unique(plot_data()$boat_id))
updateSelectizeInput(session, "portidIn", choices = unique(plot_data()$port_id))
})
observeEvent(input$countryIn,{
updateDateRangeInput(session, "dateRange", start = min(plot_data()$date_time), end = max(plot_data()$date_time))
updateSelectizeInput(session, "monthIn", choices = unique(plot_data()$month))
updateSelectizeInput(session, "dayofweekIn", choices = unique(plot_data()$day_of_week))
updateSelectizeInput(session, "boatIn", choices = unique(plot_data()$boat_id))
updateSelectizeInput(session, "portidIn", choices = unique(plot_data()$port_id))
})
observeEvent(input$portidIn,{
updateDateRangeInput(session, "dateRange", start = min(plot_data()$date_time), end = max(plot_data()$date_time))
updateSelectizeInput(session, "monthIn", choices = unique(plot_data()$month))
updateSelectizeInput(session, "dayofweekIn", choices = unique(plot_data()$day_of_week))
updateSelectizeInput(session, "countryIn", choices = unique(plot_data()$country))
updateSelectizeInput(session, "boatIn", choices = unique(plot_data()$boat_id))
})
observeEvent(input$boatIn,{
updateDateRangeInput(session, "dateRange", start = min(plot_data()$date_time), end = max(plot_data()$date_time))
updateSelectizeInput(session, "monthIn", choices = unique(plot_data()$month))
updateSelectizeInput(session, "dayofweekIn", choices = unique(plot_data()$day_of_week))
updateSelectizeInput(session, "countryIn", choices = unique(plot_data()$country))
updateSelectizeInput(session, "portidIn", choices = unique(plot_data()$port_id))
})
```
Data Overview
===============================================================
Row
-----------------------------------------------------------------------
### Data details
```{r, DT::datatable, fig.height=7}
# Only look at filtered data:
DT::renderDataTable({
DT::datatable(plot_data(), options = list(scrollX = TRUE, sScrollY = '75vh', scrollCollapse = TRUE), extensions = list("Scroller"))
})
#sScrollY = "300px"
```
处理您的代码的是，您不需要所有这些“ updateSelectizeInput”行。 另外，flexdashboard不需要一些UI元素，例如“ uiOutput”。 只需编写代码即可显示所需的对象，而无需告诉应用程序是UI还是服务器类型的东西。 对我有用的代码在上面，您可以修改（我禁止了某些东西）。 我包括了另外两种选择方式，因为我认为它们更漂亮：
---
title: "Trying to figure out multiple select inputs"
output:
flexdashboard::flex_dashboard:
orientation: rows
social: menu
source_code: embed
runtime: shiny
---
```{r global, include=FALSE}
# Attach packages
library(dplyr)
library(shiny)
library(flexdashboard)
library(RCurl)
library(shinydashboard)
url<- "https://raw.githubusercontent.com/ngfrey/StackOverflowQ/master/dfso2.csv"
x<- getURL(url)
df<- read.csv(text=x, header = TRUE, row.names = 1)
days_of_week <- c("Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday")
months_of_year <- c("November", "December", "January", "February", "March", "April", "May", "June","July", "August", "September", "October")
df[,c("month", "day_of_week", "boat_id", "port_id", "country_id")]<- lapply(df[,c("month", "day_of_week", "boat_id", "port_id", "country_id")],factor)
df$month<- factor(df$month, levels = months_of_year, ordered = TRUE)
df$day_of_week<- factor(df$day_of_week, levels = days_of_week, ordered = T)
df$date_time<- as.Date(df$date_time)
```
Page
========================================================================
Row {.sidebar}
-----------------------------------------------------------------------
```{r shinyinputs}
# Shiny Inputs for Date Range
# Shiny Inputs for Month, Country, MMSI, Name, Port ID, Port Name
dateRangeInput(inputId ="dateRangeIn",
label = 'Date Range:',
start = min(df$date_time),
end = max(df$date_time))
selectizeInput("monthIn",
choices = unique(df$month),
selected = "",
label = "Month")
checkboxGroupInput("dayofweekIn", "Day of Week",
choices = unique(df$day_of_week),
selected ="")
selectizeInput("dayofweekIn", "Day of Week", choices = unique(df$day_of_week), selected =NULL, multiple = TRUE, options = list(placeholder = "Click to Select"))
```
```{r}
plot_data<- reactive({
if(!is.null(input$dateRangeIn)){if(nchar(input$dateRangeIn[1]>1)){df<- df[(as.Date(df$date_time) >= input$dateRangeIn[1] & as.Date(df$date_time) <= input$dateRangeIn[2]),] }} # else{df<- df}
if(!is.null(input$monthIn)){df<- df[df$month %in% input$monthIn,]} # else {df<- df}
if(!is.null(input$dayofweekIn)){ if(nchar(input$dayofweekIn[1])>1){df<- df[df$day_of_week %in% input$dayofweekIn,]}} # else {df<- df}
if(!is.null(input$countryIn)){ if(nchar(input$countryIn[1])>1){df<- df[df$country_id %in% input$countryIn,]}} #else {df<- df}
if(!is.null(input$boatIn)){if(nchar(input$boatIn[1])>1){ df<- df[df$boat_id %in% input$boatIn,]}} #else {df<- df}
if(!is.null(input$portidIn)){ df<- df[df$port_id %in% input$portidIn,]} #else {df<- df}
return(df)
})
```
Row {.tabset, data-width=600}
-----------------------------------------------------------------------
### Data
```{r, DT::datatable, fig.height=7}
# Only look at filtered data:
DT::renderDataTable({
DT::datatable(plot_data(), options = list(scrollX = TRUE, sScrollY = '75vh', scrollCollapse = TRUE), extensions = list("Scroller"))
})
#sScrollY = "300px"
```
Shiny、observeEvent、updateSelectInput、输入重置
[英]Shiny, observeEvent, updateSelectInput, inputs resetting
闪亮：updateSelectInput不会针对不同的selectInput条件进行更新
[英]Shiny: updateSelectInput does not update for different selectInput conditions
在闪亮的应用程序中将actionButton与updateSelectInput一起使用
[英]Use actionButton with updateSelectInput in a shiny app
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