Update actions on configuration change

src/main/kotlin/de/idetools/filename_template/InitializeFilenameTemplateActivity.kt

@@ -10,10 +10,20 @@ import de.idetools.filename_template.settings.FilenameTemplateSettingsState
 
 class InitializeFilenameTemplateActivity : StartupActivity {
     override fun runActivity(project: Project) {
+        initializeActions()
+    }
+
+    internal fun initializeActions() {
         val settings: FilenameTemplateSettingsState = FilenameTemplateSettingsState.instance
 
         val actionManager = ActionManager.getInstance()
         val newGroup = actionManager.getAction("NewGroup") as DefaultActionGroup
+
+        actionManager.getActionIds("FilenameTemplate").forEach {
+            newGroup.remove(actionManager.getAction(it))
+            actionManager.unregisterAction(it)
+        }
+
         val anchorId = "NewFile"
         val action = CreateFileWithFilenameTemplateAction(settings.text, settings.description, settings.template)
         val actionId = "FilenameTemplate.${settings.text}"

src/main/kotlin/de/idetools/filename_template/settings/FilenameTemplateConfigurable.kt

@@ -2,6 +2,7 @@ package de.idetools.filename_template.settings
 
 import com.intellij.openapi.options.Configurable
 import com.intellij.openapi.options.ConfigurationException
+import de.idetools.filename_template.InitializeFilenameTemplateActivity
 import org.jetbrains.annotations.Nls
 import javax.swing.JComponent
 
@@ -31,6 +32,8 @@ class FilenameTemplateConfigurable : Configurable {
         settings.text = component.text
         settings.description = component.description
         settings.template = component.template
+
+        InitializeFilenameTemplateActivity().initializeActions()
     }
 
     override fun reset() {