From a034dafe2404f8d244ea3aa0a633dfd350d36b54 Mon Sep 17 00:00:00 2001
From: JesseBrault0709 <62299747+JesseBrault0709@users.noreply.github.com>
Date: Sat, 8 Jun 2024 10:24:45 +0200
Subject: [PATCH] Added WhenNotEmpty component.

---
 .../web/DefaultWebViewComponentScope.groovy   |  6 ++---
 .../component/web/lib/WhenNotEmpty.groovy     | 24 +++++++++++++++++++
 2 files changed, 26 insertions(+), 4 deletions(-)
 create mode 100644 web-view-components/src/main/groovy/groowt/view/component/web/lib/WhenNotEmpty.groovy

diff --git a/web-view-components/src/main/groovy/groowt/view/component/web/DefaultWebViewComponentScope.groovy b/web-view-components/src/main/groovy/groowt/view/component/web/DefaultWebViewComponentScope.groovy
index 7ad3d9a..9b8c021 100644
--- a/web-view-components/src/main/groovy/groowt/view/component/web/DefaultWebViewComponentScope.groovy
+++ b/web-view-components/src/main/groovy/groowt/view/component/web/DefaultWebViewComponentScope.groovy
@@ -1,10 +1,7 @@
 package groowt.view.component.web
 
 import groowt.view.component.context.DefaultComponentScope
-import groowt.view.component.web.lib.Each
-import groowt.view.component.web.lib.Echo
-import groowt.view.component.web.lib.IntrinsicHtml
-import groowt.view.component.web.lib.WhenNotNull
+import groowt.view.component.web.lib.*
 import org.codehaus.groovy.runtime.InvokerHelper
 
 import static WebViewComponentFactories.withAttr
@@ -15,6 +12,7 @@ class DefaultWebViewComponentScope extends DefaultComponentScope implements WebV
         new DefaultWebViewComponentScope().tap {
             addWithAttr(Echo)
             addWithAttr(Each)
+            addWithAttr(WhenNotEmpty)
             addWithAttr(WhenNotNull)
         }
     }
diff --git a/web-view-components/src/main/groovy/groowt/view/component/web/lib/WhenNotEmpty.groovy b/web-view-components/src/main/groovy/groowt/view/component/web/lib/WhenNotEmpty.groovy
new file mode 100644
index 0000000..b19ce6e
--- /dev/null
+++ b/web-view-components/src/main/groovy/groowt/view/component/web/lib/WhenNotEmpty.groovy
@@ -0,0 +1,24 @@
+package groowt.view.component.web.lib
+
+import groowt.view.View
+import groowt.view.component.runtime.DefaultComponentWriter
+
+class WhenNotEmpty extends DelegatingWebViewComponent {
+
+    private final Collection items
+
+    WhenNotEmpty(Map attr) {
+        items = attr.items
+    }
+
+    @Override
+    protected View getDelegate() {
+        return { Writer w ->
+            if (!items.empty) {
+                def cw = new DefaultComponentWriter(w, context.renderContext, context)
+                children.each { cw << it }
+            }
+        }
+    }
+
+}