Add caret position placeholder

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

@@ -30,7 +30,10 @@ class CreateFileWithFilenameTemplateAction(
         val contentPanel = NewItemSimplePopupPanel()
         val nameField = contentPanel.textField
 
-        nameField.text = placeholderProcessor.processTemplate(project, directory)
+        val (filename, caretPosition) = placeholderProcessor.processTemplate(project, directory)
+
+        nameField.text = filename
+        nameField.caretPosition = caretPosition
 
         val popup = NewItemPopupUtil.createNewItemPopup(IdeBundle.message("title.new.file"), contentPanel, nameField)
         contentPanel.setApplyAction { event: InputEvent? ->

src/main/kotlin/de/idetools/filename_template/placeholders/PlaceholderProcessor.kt

@@ -6,7 +6,7 @@ import kotlin.math.max
 
 class PlaceholderProcessor(private val template: String, private val placeholders: List<Placeholder>) {
 
-    fun processTemplate(project: Project, directory: PsiDirectory): String {
+    fun processTemplate(project: Project, directory: PsiDirectory): ProcessedTemplate {
         var placeholderLevel = 0
         var placeholder = ""
 
@@ -45,6 +45,13 @@ class PlaceholderProcessor(private val template: String, private val placeholder
             }
         }
 
-        return context.filename
+        val caretPosition = when {
+            context.filename.indexOf("{|}") != -1 -> context.filename.indexOf("{|}")
+            context.filename.indexOfFirst { it == '.' } != -1 -> context.filename.indexOfFirst { it == '.' }
+            else -> context.filename.length
+        }
+        context.filename = context.filename.replace("{|}", "")
+
+        return ProcessedTemplate(context.filename, caretPosition)
     }
 }

src/main/kotlin/de/idetools/filename_template/placeholders/ProcessedTemplate.kt

@@ -0,0 +1,6 @@
+package de.idetools.filename_template.placeholders
+
+data class ProcessedTemplate(
+    val filename: String,
+    val caretPosition: Int
+)

src/main/resources/META-INF/plugin.xml

@@ -64,6 +64,9 @@
                     The first available sequential number. Define the initial value and desired leading zeros in the template.
                     Example: notes({042}).md => notes(042).md, notes(043).md, ...
                 </dd>
+
+                <dt>{|}</dt>
+                <dd>The caret position. If omitted the caret is positioned before the first '.' if available or at the end.</dd>
             </dl>
         </dd>
     </dl>