Type safe DSL builders

2 files changed, 30 insertions, 4 deletions

diff --git a/src/main/kotlin/pl/treksoft/kvision/form/time/DateTime.kt b/src/main/kotlin/pl/treksoft/kvision/form/time/DateTime.kt
index 426e0644..34ea98ce 100644
--- a/src/main/kotlin/pl/treksoft/kvision/form/time/DateTime.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/form/time/DateTime.kt
@@ -21,6 +21,7 @@
  */
 package pl.treksoft.kvision.form.time
 
+import pl.treksoft.kvision.core.Container
 import pl.treksoft.kvision.core.StringBoolPair
 import pl.treksoft.kvision.core.Widget
 import pl.treksoft.kvision.form.DateFormControl
@@ -189,10 +190,6 @@ open class DateTime(
         counter++
     }
 
-    companion object {
-        internal var counter = 0
-    }
-
     override fun getSnClass(): List<StringBoolPair> {
         val cl = super.getSnClass().toMutableList()
         if (validatorError != null) {
@@ -234,4 +231,20 @@ open class DateTime(
     override fun getValueAsString(): String? {
         return input.getValueAsString()
     }
+
+    companion object {
+        internal var counter = 0
+
+        /**
+         * DSL builder extension function
+         *
+         * It takes the same parameters as the constructor of the built component.
+         */
+        fun Container.dateTime(
+            value: Date? = null, format: String = "YYYY-MM-DD HH:mm", label: String? = null,
+            rich: Boolean = false, init: (DateTime.() -> Unit)? = null
+        ) {
+            this.add(DateTime(value, format, label, rich).apply { init?.invoke(this) })
+        }
+    }
 }
diff --git a/src/main/kotlin/pl/treksoft/kvision/form/time/DateTimeInput.kt b/src/main/kotlin/pl/treksoft/kvision/form/time/DateTimeInput.kt
index a49f1d5f..0556f2ef 100644
--- a/src/main/kotlin/pl/treksoft/kvision/form/time/DateTimeInput.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/form/time/DateTimeInput.kt
@@ -22,6 +22,7 @@
 package pl.treksoft.kvision.form.time
 
 import com.github.snabbdom.VNode
+import pl.treksoft.kvision.core.Container
 import pl.treksoft.kvision.core.StringBoolPair
 import pl.treksoft.kvision.core.StringPair
 import pl.treksoft.kvision.core.Widget
@@ -309,5 +310,17 @@ open class DateTimeInput(
                 .replace("M", "m").replace("{----}", "MM").replace("{---}", "M").replace("H", "{-}")
                 .replace("h", "H").replace("{-}", "h").replace("D", "d").replace("a", "p").replace("A", "P")
         }
+
+        /**
+         * DSL builder extension function
+         *
+         * It takes the same parameters as the constructor of the built component.
+         */
+        fun Container.dateTimeInput(
+            value: Date? = null, format: String = "YYYY-MM-DD HH:mm", classes: Set<String> = setOf(),
+            init: (DateTimeInput.() -> Unit)? = null
+        ) {
+            this.add(DateTimeInput(value, format, classes).apply { init?.invoke(this) })
+        }
     }
 }