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// NodePage.qml — Demo page displaying a single OPC UA node.
import QtQuick
import QtQuick.Controls
import QtQuick.Layouts
import Bobink
Page {
id: nodePage
required property StackView stackRef
required property int pageNumber
required property var logFunction
OpcUaMonitoredNode {
id: demoNode
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"))
onValueChanged: nodePage.logFunction("Page " + nodePage.pageNumber + " value = " + value)
}
ColumnLayout {
anchors.fill: parent
anchors.margins: 20
spacing: 8
RowLayout {
Label {
text: "Node Page " + nodePage.pageNumber
font.bold: true
font.pointSize: 14
}
Item {
Layout.fillWidth: true
}
Button {
text: "Disconnect"
onClicked: Bobink.disconnectFromServer()
}
}
// 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
}
}
}
// 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
}
Button {
Layout.fillWidth: true
text: nodePage.pageNumber === 1 ? "Go to Page 2" : "Back to Page 1"
onClicked: {
if (nodePage.pageNumber === 1)
nodePage.stackRef.push("NodePage.qml", {
stackRef: nodePage.stackRef,
pageNumber: 2,
logFunction: nodePage.logFunction
});
else
nodePage.stackRef.pop();
}
}
}
}
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