I18n support in Handlebars templates.

3 files changed, 7 insertions, 4 deletions

diff --git a/src/main/kotlin/pl/treksoft/kvision/core/Widget.kt b/src/main/kotlin/pl/treksoft/kvision/core/Widget.kt
index 41758d9b..e7b94cba 100644
--- a/src/main/kotlin/pl/treksoft/kvision/core/Widget.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/core/Widget.kt
@@ -95,7 +95,7 @@ open class Widget(classes: Set<String> = setOf()) : StyledComponent() {
     private var snOnCache: com.github.snabbdom.On? = null
     private var snHooksCache: com.github.snabbdom.Hooks? = null
 
-    private var lastLanguage: String? = null
+    protected var lastLanguage: String? = null
 
     internal fun <T> singleRender(block: () -> T): T {
         getRoot()?.renderDisabled = true
diff --git a/src/main/kotlin/pl/treksoft/kvision/html/Tag.kt b/src/main/kotlin/pl/treksoft/kvision/html/Tag.kt
index ae26c5de..03686fa0 100644
--- a/src/main/kotlin/pl/treksoft/kvision/html/Tag.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/html/Tag.kt
@@ -25,6 +25,7 @@ import com.github.snabbdom.VNode
 import pl.treksoft.kvision.KVManager
 import pl.treksoft.kvision.core.Container
 import pl.treksoft.kvision.core.StringBoolPair
+import pl.treksoft.kvision.i18n.I18n
 import pl.treksoft.kvision.panel.SimplePanel
 
 /**
@@ -130,7 +131,7 @@ open class Tag(
     /**
      * Handlebars templates for i18n.
      */
-    override var templates: Map<String, (Any?) -> String>? by refreshOnUpdate()
+    override var templates: Map<String, (Any?) -> String> by refreshOnUpdate(mapOf())
 
     init {
         @Suppress("LeakingThis")
@@ -138,6 +139,8 @@ open class Tag(
     }
 
     override fun render(): VNode {
+        if (templateData != null && lastLanguage != null && lastLanguage != I18n.language)
+            templateData = templateData
         return if (content != null) {
             val translatedContent = content?.let { translate(it) }
             if (rich) {
diff --git a/src/main/kotlin/pl/treksoft/kvision/html/Template.kt b/src/main/kotlin/pl/treksoft/kvision/html/Template.kt
index 31155209..d430d8ff 100644
--- a/src/main/kotlin/pl/treksoft/kvision/html/Template.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/html/Template.kt
@@ -30,7 +30,7 @@ interface Template {
     var content: String?
     var rich: Boolean
     var template: ((Any?) -> String)?
-    val templates: Map<String, (Any?) -> String>?
+    val templates: Map<String, (Any?) -> String>
 
     /**
      * Handlebars template data object.
@@ -41,6 +41,6 @@ interface Template {
         }
         set(value) {
             if (!rich) rich = true
-            content = template?.invoke(value) ?: templates?.get(I18n.language)?.invoke(value)
+            content = template?.invoke(value) ?: templates.get(I18n.language)?.invoke(value)
         }
 }