From 690db0fa630ac57d0ec99010862c7b7e4a7ac589 Mon Sep 17 00:00:00 2001
From: Thomas Vanbesien <tvanbesi@proton.me>
Date: Fri, 20 Feb 2026 12:16:50 +0100
Subject: Implement OpcUaMonitoredNode attribute reading with OpcUaNodeInfo
 gadget

---
 demo/NodePage.qml | 138 +++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 125 insertions(+), 13 deletions(-)

(limited to 'demo/NodePage.qml')

diff --git a/demo/NodePage.qml b/demo/NodePage.qml
index e00f468..2de0a15 100644
--- a/demo/NodePage.qml
+++ b/demo/NodePage.qml
@@ -1,4 +1,4 @@
-// NodePage.qml — Demo page with OpcUaMonitoredNode lifecycle logging.
+// NodePage.qml — Demo page displaying a single OPC UA node.
 
 import QtQuick
 import QtQuick.Controls
@@ -14,17 +14,16 @@ Page {
 
     OpcUaMonitoredNode {
         id: demoNode
-        nodeId: "ns=2;s=DemoVariable.Page" + nodePage.pageNumber
+        nodeId: nodePage.pageNumber === 1 ? "ns=1;s=double_rw_scalar" : "ns=1;s=string_rw_scalar"
         monitored: nodePage.StackView.status === StackView.Active
-        onMonitoredChanged: nodePage.logFunction(
-            "Page " + nodePage.pageNumber + " node [" + nodeId + "] "
-            + (monitored ? "MONITORED" : "UNMONITORED"))
+        onMonitoredChanged: nodePage.logFunction("Page " + nodePage.pageNumber + " node [" + nodeId + "] " + (monitored ? "MONITORED" : "UNMONITORED"))
+        onValueChanged: nodePage.logFunction("Page " + nodePage.pageNumber + " value = " + value)
     }
 
     ColumnLayout {
         anchors.fill: parent
         anchors.margins: 20
-        spacing: 12
+        spacing: 8
 
         RowLayout {
             Label {
@@ -32,22 +31,135 @@ Page {
                 font.bold: true
                 font.pointSize: 14
             }
-            Item { Layout.fillWidth: true }
+            Item {
+                Layout.fillWidth: true
+            }
             Button {
                 text: "Disconnect"
                 onClicked: Bobink.disconnectFromServer()
             }
         }
 
-        Label {
-            text: "Node: " + demoNode.nodeId
+        // Value (prominent)
+        Rectangle {
+            Layout.fillWidth: true
+            height: 60
+            color: "#f0f0f0"
+            radius: 4
+
+            ColumnLayout {
+                anchors.fill: parent
+                anchors.margins: 8
+                spacing: 2
+
+                Label {
+                    text: "Value"
+                    font.pointSize: 10
+                    color: "gray"
+                }
+                Label {
+                    text: demoNode.value !== undefined ? String(demoNode.value) : "—"
+                    font.pointSize: 16
+                    font.bold: true
+                    elide: Text.ElideRight
+                    Layout.fillWidth: true
+                }
+            }
         }
-        Label {
-            text: "Monitored: " + demoNode.monitored
-            color: demoNode.monitored ? "green" : "gray"
+
+        // Node info
+        GridLayout {
+            Layout.fillWidth: true
+            columns: 2
+            columnSpacing: 12
+            rowSpacing: 4
+
+            Label {
+                text: "Node ID:"
+                color: "gray"
+            }
+            Label {
+                text: demoNode.nodeId
+                Layout.fillWidth: true
+            }
+
+            Label {
+                text: "Display Name:"
+                color: "gray"
+            }
+            Label {
+                text: demoNode.info.displayName || "—"
+                Layout.fillWidth: true
+            }
+
+            Label {
+                text: "Data Type:"
+                color: "gray"
+            }
+            Label {
+                text: demoNode.info.dataType || "—"
+                Layout.fillWidth: true
+            }
+
+            Label {
+                text: "Node Class:"
+                color: "gray"
+            }
+            Label {
+                text: demoNode.info.nodeClass || "—"
+                Layout.fillWidth: true
+            }
+
+            Label {
+                text: "Access Level:"
+                color: "gray"
+            }
+            Label {
+                text: demoNode.info.accessLevel
+                Layout.fillWidth: true
+            }
+
+            Label {
+                text: "Status:"
+                color: "gray"
+            }
+            Label {
+                text: demoNode.info.status || "—"
+                Layout.fillWidth: true
+            }
+
+            Label {
+                text: "Source Time:"
+                color: "gray"
+            }
+            Label {
+                text: demoNode.info.sourceTimestamp.toLocaleString() || "—"
+                Layout.fillWidth: true
+            }
+
+            Label {
+                text: "Server Time:"
+                color: "gray"
+            }
+            Label {
+                text: demoNode.info.serverTimestamp.toLocaleString() || "—"
+                Layout.fillWidth: true
+            }
+
+            Label {
+                text: "Monitored:"
+                color: "gray"
+            }
+            Label {
+                text: demoNode.monitored ? "Yes" : "No"
+                color: demoNode.monitored ? "green" : "gray"
+                Layout.fillWidth: true
+            }
         }
 
-        Item { Layout.fillHeight: true }
+        Item {
+            Layout.fillHeight: true
+        }
 
         Button {
             Layout.fillWidth: true
-- 
cgit v1.2.3