Add: Reusable client toast notification snippet

Client-Side Components/Toast Notification/demo_client_script.js

@@ -0,0 +1,12 @@
+// Demo client script showing how to use SnToast
+// Place in a Client Script (onLoad or onChange) or run from browser console
+
+function onLoad() {
+  // Example: success toast
+  SnToast.showToast('success', 'Record saved successfully', { duration: 3000 });
+
+  // Example: error toast after a simulated async operation
+  setTimeout(function() {
+    SnToast.showToast('error', 'Failed to sync with external system', { duration: 5000 });
+  }, 1200);
+}

Client-Side Components/Toast Notification/toast.js

@@ -0,0 +1,76 @@
+(function(){
+  if (window.SnToast) return;
+
+  // Create container and attach to body when needed
+  function ensureContainer() {
+    var id = 'sn-toast-container';
+    var c = document.getElementById(id);
+    if (!c) {
+      c = document.createElement('div');
+      c.id = id;
+      c.style.position = 'fixed';
+      c.style.top = '12px';
+      c.style.right = '12px';
+      c.style.zIndex = '99999';
+      c.style.display = 'flex';
+      c.style.flexDirection = 'column';
+      c.style.alignItems = 'flex-end';
+      document.body.appendChild(c);
+    }
+    return c;
+  }
+
+  function buildToast(message, type) {
+    var t = document.createElement('div');
+    t.className = 'sn-toast';
+    t.textContent = message || '';
+    t.style.minWidth = '160px';
+    t.style.maxWidth = '420px';
+    t.style.padding = '10px 14px';
+    t.style.marginTop = '8px';
+    t.style.borderRadius = '8px';
+    t.style.boxShadow = '0 6px 18px rgba(0,0,0,0.12)';
+    t.style.fontSize = '13px';
+    t.style.lineHeight = '1.2';
+    t.style.color = '#fff';
+    t.style.opacity = '1';
+    t.style.transition = 'opacity 0.3s ease, transform 0.25s ease';
+    t.style.transform = 'translateY(0)';
+    // background based on type
+    var bg = '#2ecc71'; // success
+    if (type === 'error') bg = '#e74c3c';
+    else if (type === 'warning') bg = '#f39c12';
+    else if (type === 'info') bg = '#3498db';
+    t.style.background = bg;
+    return t;
+  }
+
+  window.SnToast = {
+    showToast: function(type, message, opts) {
+      try {
+        if (typeof type !== 'string') { message = type; type = 'info'; }
+        opts = opts || {};
+        var duration = (typeof opts.duration === 'number') ? opts.duration : 3500;
+        var container = ensureContainer();
+        var toast = buildToast(message, type);
+        container.appendChild(toast);
+
+        // Auto-dismiss
+        setTimeout(function() {
+          toast.style.opacity = '0';
+          toast.style.transform = 'translateY(-6px)';
+          setTimeout(function(){ 
+            if (toast && toast.parentNode) toast.parentNode.removeChild(toast); 
+          }, 300);
+        }, duration);
+      } catch (e) {
+        /* fallback to default g_form messages if available */
+        if (window.g_form && g_form.addInfoMessage) {
+          g_form.addInfoMessage(message);
+        } else {
+          console.error('SnToast error:', e);
+        }
+      }
+    }
+  };
+})();