[Editor] Fix possibility to provide non-numeric characters in IntegerParameter Spinner

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/common/parameter/model/IntegerParameter.kt

@@ -1,5 +1,6 @@
 package com.bartlomiejpluta.base.editor.common.parameter.model
 
+import com.bartlomiejpluta.base.editor.util.fx.TextFieldUtil
 import javafx.beans.property.Property
 import javafx.scene.control.Spinner
 
@@ -12,7 +13,11 @@ class IntegerParameter(
    autocommit: Boolean = false,
    onCommit: (oldValue: Int, newValue: Int, submit: () -> Unit) -> Unit = { _, _, submit -> submit() },
 ) : Parameter<Int>(key, initialValue, editable, autocommit, onCommit) {
-   override val editor = Spinner<Int>(minValue, maxValue, initialValue).apply { isEditable = true }
+   override val editor = Spinner<Int>(minValue, maxValue, initialValue).apply {
+      isEditable = true
+      editor.textFormatter = TextFieldUtil.integerFormatter(initialValue)
+   }
+
    override val editorValueProperty: Property<Int>
       get() = editor.valueFactory.valueProperty()
 

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/util/fx/TextFieldUtil.kt

@@ -0,0 +1,12 @@
+package com.bartlomiejpluta.base.editor.util.fx
+
+import javafx.scene.control.TextFormatter
+import javafx.util.converter.IntegerStringConverter
+import java.util.function.UnaryOperator
+
+object TextFieldUtil {
+   fun integerFormatter(initialValue: Int) = TextFormatter(IntegerStringConverter(), initialValue, filter)
+
+   private val intRegex = "-?[0-9]*".toRegex()
+   private val filter = UnaryOperator<TextFormatter.Change> { if (it.controlNewText.matches(intRegex)) it else null }
+}