LedDisplay/OmobiDisplayApp/ressources/qml/ConnectPage.qml

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QML
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import QtQuick 2.0
import QtQuick.Controls 2.9
import QtQuick.Layouts 1.0
import de.itsblue.omobidisplayapp 1.0
import de.itsblue.bluetoothleuart 1.0
import QtQuick.Controls.Material 2.0
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import QtGraphicalEffects 1.0
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Page {
id: root
property bool actionButtonVisible: false
property bool backButtonVisible: false
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property string statusText
property bool working
title: qsTr("Available displays")
signal opened()
onOpened: {
}
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ColumnLayout {
id: mainLayout
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anchors {
fill: parent
margins: Math.min(parent.height, parent.width) * 0.05
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}
Chip {
Layout.fillWidth: true
Layout.preferredHeight: mainLayout.height * 0.05
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Layout.alignment: Layout.Center
color: "white"
onClicked: {
backend.bleClient.startScanningForDevices()
}
RowLayout {
spacing: mainLayout.anchors.margins
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anchors.fill: parent
anchors.leftMargin: width * 0.05
anchors.rightMargin: 0
Text {
Layout.fillHeight: true
Layout.fillWidth: true
verticalAlignment: Text.AlignVCenter
font.pixelSize: parent.height * 0.4
text: root.statusText
}
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BusyIndicator {
Layout.fillHeight: true
Layout.preferredWidth: height
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id: busyIndicator
scale: 0.8
opacity: root.working ? 1:0
}
}
}
Item {
Layout.fillWidth: true
Layout.preferredHeight: mainLayout.height * 0.025
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}
ListView {
id: availableDisplaysListView
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Layout.preferredWidth: parent.width
Layout.fillHeight: true
Layout.alignment: Layout.Center
clip: true
boundsBehavior: Flickable.OvershootBounds
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model: backend.bleClient.availableDevicesModel
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add: Transition {
NumberAnimation { property: "opacity"; from: 0; to: 1; duration: 200 }
NumberAnimation { property: "scale"; from: 0.9; to: 1; duration: 200 }
}
remove: Transition {
NumberAnimation { property: "opacity"; from: 1; to: 0; duration: 200 }
NumberAnimation { property: "scale"; from: 1; to: 0.9; duration: 200 }
}
spacing: 5
delegate: ItemDelegate {
width: parent.width
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text: name
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onClicked: backend.bleClient.connectToDevice(device)
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Rectangle {
anchors {
top: parent.top
left: parent.left
right: parent.right
topMargin: - availableDisplaysListView.spacing * 0.5
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}
color: "lightgrey"
height: 1
visible: index !== 0
}
}
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Item {
id: noDisplaysItem
anchors.centerIn: parent
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width: Math.min(parent.height, parent.width)
height: Math.min(parent.height, parent.width)
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opacity: availableDisplaysListView.model.rowCount === 0 ? 1:0
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Behavior on opacity {
NumberAnimation {}
}
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Rectangle {
id: noDisplaysRect
anchors {
top: parent.top
topMargin: parent.height * 0.2
horizontalCenter: parent.horizontalCenter
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}
width: parent.width * 0.7
height: width * 0.3
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color: "transparent"
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border.width: height * 0.15
border.color: "lightgrey"
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Text {
anchors.centerIn: parent
anchors.verticalCenterOffset: text === "..." ? -height * 0.25:0
color: "lightgrey"
font.pixelSize: parent.height * 0.6
font.bold: true
text: parseInt(root.state) === OmobiDisplayBackend.Scanning ? "...":"?"
}
}
Text {
id: noDisplaysText
anchors {
top: noDisplaysRect.bottom
topMargin: noDisplaysRect.height * 0.15
horizontalCenter: parent.horizontalCenter
}
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font.bold: true
font.pixelSize: noDisplaysRect.height * 0.3
color: Qt.darker("lightgrey", 1.1)
text: parseInt(root.state) === OmobiDisplayBackend.Scanning ? qsTr("Still scanning"):qsTr("No displays found")
}
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}
}
}
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Dialog {
id: authenticationDialog
property bool shouldBeOpened: false
parent: Overlay.overlay
x: (parent.width - width) / 2
y: (parent.height - height) / 2
width: parent.width * 0.9
modal: true
closePolicy: Popup.NoAutoClose
standardButtons: Dialog.Ok | Dialog.Cancel
title: qsTr("Input code")
onShouldBeOpenedChanged: {
if(shouldBeOpened)
open()
else
close()
}
onAccepted: {
backend.authenticate(secretTextInput.text)
}
onRejected: {
backend.bleClient.disconnectFromDevice()
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}
contentItem: TextField {
id: secretTextInput
placeholderText: qsTr("code")
Keys.onReturnPressed: authenticationDialog.accept()
}
}
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states: [
State {
name: OmobiDisplayBackend.Idle
PropertyChanges {
target: root
statusText: qsTr("Tap here to scan")
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working: false
}
},
State {
name: OmobiDisplayBackend.Scanning
PropertyChanges {
target: root
statusText: qsTr("Scanning...")
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working: true
}
},
State {
name: OmobiDisplayBackend.ReadyToConnect
PropertyChanges {
target: root
statusText: availableDisplaysListView.model.rowCount > 0 ? qsTr("Please select a device or tap to scan again"):qsTr("No displays found. Tap to scan again")
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working: false
}
},
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State {
name: OmobiDisplayBackend.AuthenticationRequired
PropertyChanges {
target: authenticationDialog
shouldBeOpened: true
}
PropertyChanges {
target: availableDisplaysListView
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enabled: false
}
PropertyChanges {
target: root
statusText: qsTr("trying to authenticate...")
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working: true
}
},
State {
name: OmobiDisplayBackend.Authenticating
PropertyChanges {
target: availableDisplaysListView
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enabled: false
}
PropertyChanges {
target: root
statusText: qsTr("trying to authenticate...")
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working: true
}
},
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State {
name: OmobiDisplayBackend.Connecting
PropertyChanges {
target: availableDisplaysListView
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enabled: false
}
PropertyChanges {
target: root
statusText: qsTr("trying to connect...")
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working: true
}
},
State {
name: OmobiDisplayBackend.Initing
PropertyChanges {
target: availableDisplaysListView
enabled: false
}
PropertyChanges {
target: root
statusText: qsTr("loading data...")
working: true
}
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}
]
}