DSL syntax for containers

2 files changed, 14 insertions, 2 deletions

diff --git a/src/main/kotlin/pl/treksoft/kvision/html/List.kt b/src/main/kotlin/pl/treksoft/kvision/html/List.kt
index c8252080..261555c9 100644
--- a/src/main/kotlin/pl/treksoft/kvision/html/List.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/html/List.kt
@@ -51,10 +51,11 @@ enum class LISTTYPE(internal val tagName: String) {
  * @param elements optional list of elements
  * @param rich determines if [elements] can contain HTML code
  * @param classes a set of CSS class names
+ * @param init an initializer extension function
  */
 open class ListTag(
     type: LISTTYPE, elements: List<String>? = null, rich: Boolean = false,
-    classes: Set<String> = setOf()
+    classes: Set<String> = setOf(), init: (ListTag.() -> Unit)? = null
 ) : SimplePanel(classes) {
     /**
      * List type.
@@ -81,6 +82,11 @@ open class ListTag(
             refresh()
         }
 
+    init {
+        @Suppress("LeakingThis")
+        init?.invoke(this)
+    }
+
     override fun render(): VNode {
         val childrenElements = when (type) {
             LISTTYPE.UL, LISTTYPE.OL, LISTTYPE.UNSTYLED, LISTTYPE.INLINE -> elements?.map { el ->
diff --git a/src/main/kotlin/pl/treksoft/kvision/html/Tag.kt b/src/main/kotlin/pl/treksoft/kvision/html/Tag.kt
index 557784b0..91fa2587 100644
--- a/src/main/kotlin/pl/treksoft/kvision/html/Tag.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/html/Tag.kt
@@ -87,10 +87,11 @@ enum class ALIGN(val className: String) {
  * @param rich determines if [text] can contain HTML code
  * @param align text align
  * @param classes a set of CSS class names
+ * @param init an initializer extension function
  */
 open class Tag(
     type: TAG, text: String? = null, rich: Boolean = false, align: ALIGN? = null,
-    classes: Set<String> = setOf()
+    classes: Set<String> = setOf(), init: (Tag.() -> Unit)? = null
 ) : SimplePanel(classes) {
 
     /**
@@ -126,6 +127,11 @@ open class Tag(
             refresh()
         }
 
+    init {
+        @Suppress("LeakingThis")
+        init?.invoke(this)
+    }
+
     override fun render(): VNode {
         return if (text != null) {
             if (rich) {