From 2fd5b93c8a0a8d330977d4c7c0ee692349cb136e Mon Sep 17 00:00:00 2001
From: Michael Shanks <mike@budibase.com>
Date: Thu, 27 Feb 2020 23:41:36 +0000
Subject: [PATCH] bugfix: MD checkbox throwing

---
 .../src/Checkbox/Checkbox.svelte                  | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/packages/materialdesign-components/src/Checkbox/Checkbox.svelte b/packages/materialdesign-components/src/Checkbox/Checkbox.svelte
index 2f8b55bcf2..ceced6af9c 100644
--- a/packages/materialdesign-components/src/Checkbox/Checkbox.svelte
+++ b/packages/materialdesign-components/src/Checkbox/Checkbox.svelte
@@ -27,7 +27,8 @@
       if (context !== "list-item") {
         //TODO: Fix this connected to Formfield context issue
         let fieldStore = _bb.getContext("BBMD:field-element")
-        fieldStore.setInput(instance)
+        if(fieldStore)
+          fieldStore.setInput(instance)
       }
     }
   })
@@ -43,6 +44,14 @@
   let props = { modifiers, extras }
 
   const blockClass = cb.build({ props })
+
+  function changed(e) {
+    const val = e.target.checked
+    checked = val
+    if (_bb.isBound(_bb.props.checked)) {
+      _bb.setStateFromBinding(_bb.props.checked, val)
+    }
+  }
 </script>
 
 <!-- TODO: Customizing Colour and Density - What level of customization for these things does Budibase need here? -->
@@ -56,7 +65,8 @@
         {id}
         {disabled}
         {checked}
-        on:click={onClick} />
+        on:click={onClick}
+        on:change={changed} />
       <div class={cb.elem`background`}>
         <svg class={cb.elem`checkmark`} viewBox="0 0 24 24">
           <path
@@ -77,6 +87,7 @@
       {id}
       {disabled}
       {checked}
+      on:change={changed}
       on:click={onClick} />
     <div class={cb.elem`background`}>
       <svg class={cb.elem`checkmark`} viewBox="0 0 24 24">