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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
pragma ComponentBehavior: Bound
import QtQuick
import QtQuick.Controls
import QtQuick.Dialogs
import QtQuick.Layouts
import NdefEditor
ApplicationWindow {
id: window
enum TargetDetectedAction {
NoAction,
ReadMessage,
WriteMessage
}
StackView {
id: stack
initialItem: mainView
anchors.fill: parent
}
property int targetDetectedAction: MainWindow.NoAction
Component {
id: mainView
ColumnLayout {
ToolBar {
Layout.fillWidth: true
RowLayout {
anchors.fill: parent
Label {
text: qsTr("NDEF Editor")
elide: Label.ElideRight
horizontalAlignment: Qt.AlignHCenter
verticalAlignment: Qt.AlignVCenter
Layout.fillWidth: true
}
}
}
Pane {
id: writeTab
Layout.fillWidth: true
Layout.fillHeight: true
Flickable {
anchors.fill: parent
contentHeight: contentItem.childrenRect.height
ColumnLayout {
width: parent.width
ItemDelegate {
icon.name: "file_download"
text: qsTr("Read Tag")
Layout.fillWidth: true
onClicked: window.readTag()
}
ItemDelegate {
icon.name: "file_upload"
text: qsTr("Write to Tag")
Layout.fillWidth: true
onClicked: window.writeTag()
}
ItemDelegate {
icon.name: "add"
text: qsTr("Add a Record")
Layout.fillWidth: true
onClicked: addRecordMenu.open()
Menu {
id: addRecordMenu
title: qsTr("Add record")
MenuItem {
icon.name: "text_snippet"
text: qsTr("Text record")
onTriggered: stack.push(textRecordDialog)
}
MenuItem {
icon.name: "link"
text: qsTr("URI record")
onTriggered: stack.push(uriRecordDialog)
}
}
}
Item {
implicitHeight: 20
}
Label {
text: qsTr(
"Use buttons above to read an NFC tag or add records manually.\n\n"
+ "Once added, swipe to the right to access options for each record.")
wrapMode: Text.Wrap
visible: messages.count === 0
Layout.fillWidth: true
}
Repeater {
id: messages
model: messageModel
delegate: NdefRecordDelegate {
Layout.fillWidth: true
onDeleteClicked: messageModel.removeRow(index)
onClicked: {
if (recordType === NdefMessageModel.TextRecord) {
stack.push(textRecordDialog, {
text: recordText,
modelIndex: index
})
} else if (recordType === NdefMessageModel.UriRecord) {
stack.push(uriRecordDialog, {
uri: recordText,
modelIndex: index
})
}
}
}
}
}
}
}
}
}
NdefMessageModel {
id: messageModel
}
NfcManager {
id: nfcManager
onTargetDetected: (target) => { window.handleTargetDetected(target) }
}
Connections {
id: targetConnections
target: null
function onNdefMessageRead(message) {
messageModel.message = message
}
function onRequestCompleted() {
communicationOverlay.close()
window.targetDetectedAction = MainWindow.NoAction
releaseTarget()
}
function onError(code) {
communicationOverlay.close()
errorNotification.errorMessage = window.describeError(code)
errorNotification.open()
window.targetDetectedAction = MainWindow.NoAction
releaseTarget()
}
function releaseTarget() {
target?.destroy()
}
}
function handleTargetDetected(target: NfcTarget) {
targetConnections.releaseTarget()
let ok = true
if (targetDetectedAction === MainWindow.ReadMessage) {
targetConnections.target = target
communicationOverlay.message = qsTr("Target detected. Reading messages...")
errorNotification.errorMessage = qsTr("NDEF read error")
ok = target.readNdefMessages()
} else if (targetDetectedAction === MainWindow.WriteMessage) {
targetConnections.target = target
communicationOverlay.message = qsTr("Target detected. Writing the message...")
errorNotification.errorMessage = qsTr("NDEF write error")
ok = target.writeNdefMessage(messageModel.message)
} else {
target.destroy()
return
}
if (!ok) {
communicationOverlay.close()
errorNotification.open()
targetConnections.releaseTarget()
}
}
function readTag() {
messageModel.clearMessage()
window.targetDetectedAction = MainWindow.ReadMessage
nfcManager.startTargetDetection()
communicationOverlay.title = qsTr("Read Tag")
communicationOverlay.message = qsTr("Approach an NFC tag.")
communicationOverlay.open()
}
function writeTag() {
window.targetDetectedAction = MainWindow.WriteMessage
nfcManager.startTargetDetection()
communicationOverlay.title = qsTr("Write to Tag")
communicationOverlay.message = qsTr("Approach an NFC tag.")
communicationOverlay.open()
}
function describeError(error) {
switch (error) {
case 2: return qsTr("Usupported feature")
case 3: return qsTr("Target out of range")
case 4: return qsTr("No response")
case 5: return qsTr("Checksum mismatch")
case 6: return qsTr("Invalid parameters")
case 7: return qsTr("Connection error")
case 8: return qsTr("NDEF read error")
case 9: return qsTr("NDEF write error")
case 10: return qsTr("Command error")
case 11: return qsTr("Timeout")
}
return qsTr("Unknown error")
}
Dialog {
id: communicationOverlay
property alias message: messageLabel.text
anchors.centerIn: Overlay.overlay
modal: true
standardButtons: Dialog.Cancel
ColumnLayout {
Label {
id: messageLabel
}
BusyIndicator {
Layout.fillWidth: true
}
}
onClosed: nfcManager.stopTargetDetection()
}
MessageDialog {
property alias errorMessage: errorNotification.text
id: errorNotification
buttons: MessageDialog.Close
title: qsTr("Error")
onButtonClicked: errorNotification.close()
}
Component {
id: uriRecordDialog
ColumnLayout {
property alias uri: uriEditor.text
property int modelIndex: -1
ToolBar {
Layout.fillWidth: true
RowLayout {
anchors.fill: parent
ToolButton {
icon.name: "arrow_back"
onClicked: stack.pop()
}
Label {
text: qsTr("URI Record")
elide: Label.ElideRight
horizontalAlignment: Qt.AlignHCenter
verticalAlignment: Qt.AlignVCenter
Layout.fillWidth: true
}
ToolButton {
text: qsTr("Save")
onClicked: {
if (modelIndex < 0) {
messageModel.addUriRecord(uri)
} else {
messageModel.setTextData(modelIndex, uri)
}
stack.pop()
}
}
}
}
Pane {
Layout.fillWidth: true
Layout.fillHeight: true
ColumnLayout {
anchors.fill: parent
TextField {
id: uriEditor
Layout.fillWidth: true
placeholderText: qsTr("https://qt.io")
inputMethodHints: Qt.ImhUrlCharactersOnly
}
Item {
Layout.fillHeight: true
}
}
}
}
}
Component {
id: textRecordDialog
ColumnLayout {
property alias text: textEditor.text
property int modelIndex: -1
ToolBar {
Layout.fillWidth: true
RowLayout {
anchors.fill: parent
ToolButton {
icon.name: "arrow_back"
onClicked: stack.pop()
}
Label {
text: qsTr("Text Record")
elide: Label.ElideRight
horizontalAlignment: Qt.AlignHCenter
verticalAlignment: Qt.AlignVCenter
Layout.fillWidth: true
}
ToolButton {
text: qsTr("Save")
onClicked: {
if (modelIndex < 0) {
messageModel.addTextRecord(textEditor.text)
} else {
messageModel.setTextData(modelIndex, textEditor.text)
}
stack.pop()
}
}
}
}
Pane {
Layout.fillWidth: true
Layout.fillHeight: true
ScrollView {
anchors.fill: parent
TextArea {
id: textEditor
placeholderText: qsTr("Enter some text...")
Layout.fillWidth: true
}
}
}
}
}
}
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