added shortcut ctrl+e for exporting a texture

client/src/main/kotlin/org/hso/texturesyncclient/controller/RootController.kt

@@ -37,8 +37,9 @@ class RootController : Controller() {
 
     private lateinit var con: Connection
 
-    private lateinit var selectedTexture: Texture
     private var lastExportDir: String = System.getProperty("user.home")
+    lateinit var selectedTexture: Texture
+    fun isSelectedTextureInitialized() = ::selectedTexture.isInitialized
 
     /**
      * calculate the resolution, get today's date -> upload to server

client/src/main/kotlin/org/hso/texturesyncclient/view/mainView/MainView.kt

@@ -86,6 +86,10 @@ class MainView : View("TextureSync") {
         shortcut("Ctrl+I") {
             mvc.btnImportAction()
         }
+
+        shortcut("Ctrl+E") {
+            mvc.scExport()
+        }
     }
 
 }

client/src/main/kotlin/org/hso/texturesyncclient/view/mainView/MainViewController.kt

@@ -60,6 +60,7 @@ class MainViewController : Controller() {
         folderView.children.clear()
         mv.cvSearch.isDisable = true
         setPreview3DTexture(Image("icons/TextureSync_Icon_256x256.jpeg"))   // reset the 3DPreview to the logo
+        // TODO should we clear the selectedTexture?
 
         runAsync {
             rootc.queryElements(tags)
@@ -89,4 +90,10 @@ class MainViewController : Controller() {
         }
     }
 
+    fun scExport() {
+        if (rootc.isSelectedTextureInitialized()) {
+            rootc.exportTexture(rootc.selectedTexture)
+        }
+    }
+
 }