merged code for rstudio addin, updated DESCRIPTION imports and docs.

DESCRIPTION

@@ -23,11 +23,13 @@ Imports:
     mapview,
     miniUI,
     sf (>= 0.5-2),
-    shiny
+    shiny,
+    rstudioapi (>= 0.8),
+    shinyWidgets (>= 0.4.3)
 Suggests:
     crayon
 Enhances:
     geojsonio
 Encoding: UTF-8
 LazyData: true
-RoxygenNote: 6.1.0
+RoxygenNote: 6.1.1

NAMESPACE

@@ -13,9 +13,20 @@ export(editFeatures)
 export(editMap)
 export(editMod)
 export(editModUI)
+export(mapeditAddin)
 export(selectFeatures)
 export(selectMap)
 export(selectMod)
 export(selectModUI)
 import(htmltools)
 import(shiny)
+importFrom(leaflet,setView)
+importFrom(mapview,mapview)
+importFrom(miniUI,gadgetTitleBar)
+importFrom(miniUI,miniButtonBlock)
+importFrom(miniUI,miniContentPanel)
+importFrom(miniUI,miniPage)
+importFrom(rstudioapi,getActiveDocumentContext)
+importFrom(sf,write_sf)
+importFrom(shinyWidgets,switchInput)
+importFrom(shinyWidgets,updateSwitchInput)

R/addin.R

@@ -0,0 +1,87 @@
+
+
+
+#' @title mapedit Addin
+#' @description Create and save spatial objects within the Rstudio IDE
+#'
+#' @return sf object to .GlobalEnv and/or saved to file
+#' @importFrom miniUI miniPage miniContentPanel gadgetTitleBar miniButtonBlock
+#' @import shiny
+#' @importFrom shinyWidgets switchInput updateSwitchInput
+#' @importFrom mapview mapview
+#' @importFrom sf write_sf
+#' @importFrom leaflet setView
+#' @importFrom rstudioapi getActiveDocumentContext
+#' @export
+#'
+mapeditAddin <- function() {
+
+  ui <- miniPage(
+    gadgetTitleBar("Edit Map"),
+    miniContentPanel(
+      editModUI("editor"),
+      miniButtonBlock(
+        div(style="display: inline-block;padding-top:22px;padding-left:30px;width:180px;",
+            switchInput('savefile', 'Save', value = FALSE, onStatus = "success", offStatus = "danger")),
+        div(style="display: inline-block; width: 400px;",
+            textInput('filename', '', value = 'saved_geometry.geojson')),
+        div(style="display: inline-block;padding-top:18px;width: 400px;font-size: 10pt;color: #313844;",
+            'You can add folders and change output type.',
+            'Created geometry will always save to .GlobalEnv')
+      )
+    )
+  )
+
+  server <- function(input, output, session) {
+
+    # get values from rstudio
+    ct <- getActiveDocumentContext()
+
+    TEXT <- ct$selection[[1]]$text
+    OBJECTNAME <- ifelse(TEXT == '', 'geom', TEXT)
+    FILENAME <- ifelse(TEXT == '', 'saved_geometry.geojson', paste0(TEXT, '.geojson'))
+    SF_OBJECT <- NULL
+
+    # test selected text an sf object
+    try({
+      SF_OBJECT <- get(TEXT)
+      if (class(SF_OBJECT) != 'sf') {SF_OBJECT <- NULL}
+    })
+
+    # update UI based on inputs
+    updateTextInput(session, 'filename', value = FILENAME)
+    if (FILENAME != 'saved_geometry.geojson') {
+      updateSwitchInput(session, 'savefile', value = TRUE)
+    }
+
+
+    # load mapedit
+    if (class(SF_OBJECT) == 'sf') {
+      geo <- callModule(editMod, "editor", mapview(SF_OBJECT)@map)
+    } else {
+      geo <- callModule(editMod, "editor", setView(mapview()@map, 80, 0, 3))
+    }
+
+
+    # return geometry to file and object in .GlobalEnv
+    observeEvent(input$done, {
+      geom <- geo()$finished
+
+      if (!is.null(geom) & !is.null(SF_OBJECT)) geom <- rbind(SF_OBJECT, geom)
+
+      if (!is.null(geom)) {
+        assign(OBJECTNAME, geom, envir = .GlobalEnv)
+        if (input$savefile) {
+          sf::write_sf(geom, input$filename, delete_layer = TRUE, delete_dsn = TRUE)
+        }
+      }
+
+      stopApp()
+    })
+
+  }
+
+  viewer <- paneViewer(600)
+  runGadget(ui, server, viewer = viewer)
+
+}

inst/rstudio/addins.dcf

@@ -0,0 +1,4 @@
+Name: Create Spatial Data
+Description: Create spatial data using mapedit
+Binding: mapeditAddin
+Interactive: true