Provide filename template configuration

src/main/kotlin/CreateFileWithFilenameTemplateAction.kt

@@ -1,49 +0,0 @@
-import com.intellij.icons.AllIcons
-import com.intellij.ide.IdeBundle
-import com.intellij.ide.actions.CreateFileAction
-import com.intellij.ide.ui.newItemPopup.NewItemPopupUtil
-import com.intellij.ide.ui.newItemPopup.NewItemSimplePopupPanel
-import com.intellij.lang.LangBundle
-import com.intellij.openapi.project.Project
-import com.intellij.openapi.ui.InputValidatorEx
-import com.intellij.openapi.ui.popup.JBPopup
-import com.intellij.psi.PsiDirectory
-import com.intellij.psi.PsiElement
-import java.awt.event.InputEvent
-import java.util.function.Consumer
-
-class CreateFileWithFilenameTemplateAction :
-    CreateFileAction("Flyway File", "Create flyway migration file", AllIcons.FileTypes.Unknown) {
-    override fun invokeDialog(
-        project: Project,
-        directory: PsiDirectory,
-        elementsConsumer: Consumer<Array<PsiElement?>?>
-    ) {
-        val validator: MyInputValidator = MyValidator(project, directory)
-        createLightWeightPopup(validator, elementsConsumer).showCenteredInCurrentWindow(project)
-    }
-
-    private fun createLightWeightPopup(
-        validator: MyInputValidator,
-        consumer: Consumer<Array<PsiElement?>?>
-    ): JBPopup {
-        val contentPanel = NewItemSimplePopupPanel()
-        val nameField = contentPanel.textField
-
-        val popup = NewItemPopupUtil.createNewItemPopup(IdeBundle.message("title.new.file"), contentPanel, nameField)
-        contentPanel.applyAction = com.intellij.util.Consumer { event: InputEvent? ->
-            val name = nameField.text
-            if (validator.checkInput(name) && validator.canClose(name)) {
-                popup.closeOk(event)
-                consumer.accept(validator.createdElements)
-            } else {
-                val errorMessage =
-                    if (validator is InputValidatorEx) (validator as InputValidatorEx).getErrorText(name) else LangBundle.message(
-                        "incorrect.name"
-                    )
-                contentPanel.setError(errorMessage)
-            }
-        }
-        return popup
-    }
-}

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

@@ -0,0 +1,32 @@
+package de.idetools.filename_template
+
+import com.intellij.icons.AllIcons
+import com.intellij.ide.IdeBundle
+import com.intellij.ide.actions.CreateFileAction
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.ui.Messages
+import com.intellij.psi.PsiDirectory
+import com.intellij.psi.PsiElement
+import java.time.LocalDateTime
+import java.time.ZoneOffset
+
+class CreateFileWithFilenameTemplateAction(
+    text: String,
+    description: String,
+    private val template: String
+) :
+    CreateFileAction(text, description, AllIcons.FileTypes.Unknown) {
+
+    override fun invokeDialog(project: Project?, directory: PsiDirectory?): Array<PsiElement> {
+        val validator: MyInputValidator = MyValidator(project, directory)
+        Messages.showInputDialog(
+            project,
+            IdeBundle.message("prompt.enter.new.file.name"),
+            IdeBundle.message("title.new.file"),
+            null,
+            template,
+            validator
+        )
+        return validator.createdElements
+    }
+}

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

@@ -0,0 +1,42 @@
+package de.idetools.filename_template.settings
+
+import com.intellij.openapi.options.Configurable
+import com.intellij.openapi.options.ConfigurationException
+import org.jetbrains.annotations.Nls
+import javax.swing.JComponent
+
+
+class FilenameTemplateConfigurable : Configurable {
+    private var component: FilenameTemplateSettingsComponent = FilenameTemplateSettingsComponent()
+
+    @Nls(capitalization = Nls.Capitalization.Title)
+    override fun getDisplayName(): String {
+        return "Filename Template Settings"
+    }
+
+    override fun createComponent(): JComponent {
+        return component.panel
+    }
+
+    override fun isModified(): Boolean {
+        val settings: FilenameTemplateSettingsState = FilenameTemplateSettingsState.instance
+        return component.text != settings.text ||
+                component.description != settings.description ||
+                component.template != settings.template
+    }
+
+    @Throws(ConfigurationException::class)
+    override fun apply() {
+        val settings: FilenameTemplateSettingsState = FilenameTemplateSettingsState.instance
+        settings.text = component.text
+        settings.description = component.description
+        settings.template = component.template
+    }
+
+    override fun reset() {
+        val settings: FilenameTemplateSettingsState = FilenameTemplateSettingsState.instance
+        component.text = settings.text
+        component.description = settings.description
+        component.template = settings.template
+    }
+}

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

@@ -0,0 +1,40 @@
+package de.idetools.filename_template.settings
+
+import com.intellij.ui.components.JBLabel
+import com.intellij.ui.components.JBTextField
+import com.intellij.util.ui.FormBuilder
+import javax.swing.JPanel
+
+class FilenameTemplateSettingsComponent {
+    val panel: JPanel
+    private val textField: JBTextField = JBTextField()
+    private val descriptionField: JBTextField = JBTextField()
+    private val templateField: JBTextField = JBTextField()
+
+    var text: String
+        get() = textField.text
+        set(value) {
+            textField.text = value
+        }
+
+    var description: String
+        get() = descriptionField.text
+        set(value) {
+            descriptionField.text = value
+        }
+
+    var template: String
+        get() = templateField.text
+        set(value) {
+            templateField.text = value
+        }
+
+    init {
+        panel = FormBuilder.createFormBuilder()
+            .addLabeledComponent(JBLabel("Text"), textField, 1, false)
+            .addLabeledComponent(JBLabel("Description"), descriptionField, 1, false)
+            .addLabeledComponent(JBLabel("Template"), templateField, 1, false)
+            .addComponentFillVertically(JPanel(), 0)
+            .panel
+    }
+}

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

@@ -0,0 +1,30 @@
+package de.idetools.filename_template.settings
+
+import com.intellij.openapi.components.PersistentStateComponent
+import com.intellij.openapi.components.ServiceManager
+import com.intellij.openapi.components.State
+import com.intellij.openapi.components.Storage
+import com.intellij.util.xmlb.XmlSerializerUtil
+
+@State(
+    name = "de.idetools.filename_template.settings.FilenameTemplateSettingsState",
+    storages = [Storage("FilenameTemplateSettings.xml")]
+)
+class FilenameTemplateSettingsState : PersistentStateComponent<FilenameTemplateSettingsState> {
+    var text = ""
+    var description = ""
+    var template = ""
+
+    override fun getState(): FilenameTemplateSettingsState {
+        return this
+    }
+
+    override fun loadState(state: FilenameTemplateSettingsState) {
+        XmlSerializerUtil.copyBean(state, this)
+    }
+
+    companion object {
+        val instance: FilenameTemplateSettingsState
+            get() = ServiceManager.getService(FilenameTemplateSettingsState::class.java)
+    }
+}

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

@@ -12,13 +12,15 @@
     <depends>com.intellij.modules.platform</depends>
 
     <extensions defaultExtensionNs="com.intellij">
-        <notificationGroup id="Filename Template Notification Group" displayType="BALLOON"/>
+        <applicationService
+                serviceImplementation="de.idetools.filename_template.settings.FilenameTemplateSettingsState"/>
+        <applicationConfigurable parentId="tools"
+                                 instance="de.idetools.filename_template.settings.FilenameTemplateConfigurable"
+                                 id="de.idetools.filename_template.settings.FilenameTemplateConfigurable"
+                                 displayName="Filename Template Settings"/>
     </extensions>
 
     <actions>
         <!-- Add your actions here -->
-        <action id="FilenameTemplateAction" class="CreateFileWithFilenameTemplateAction" text="Filename Template Action">
-            <add-to-group group-id="NewGroup" anchor="after" relative-to-action="NewScratchFile"/>
-        </action>
     </actions>
 </idea-plugin>