status-desktop/storybook/pages/MovableModelPage.qml

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QML
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import QtQuick 2.15
import QtQuick.Controls 2.15
import QtQuick.Layouts 1.15
import StatusQ 0.1
Item {
id: root
ListModel {
id: simpleSourceModel
ListElement {
name: "entry 1"
}
ListElement {
name: "entry 2"
}
ListElement {
name: "entry 3"
}
ListElement {
name: "entry 4"
}
ListElement {
name: "entry 5"
}
ListElement {
name: "entry 6"
}
ListElement {
name: "entry 7"
}
ListElement {
name: "entry 8"
}
}
MovableModel {
id: movableModel
sourceModel: simpleSourceModel
}
RowLayout {
anchors.fill: parent
anchors.margins: 10
spacing: 50
ColumnLayout {
Layout.preferredWidth: parent.width / 2
Layout.fillHeight: true
Label {
text: "SOURCE MODEL"
font.bold: true
font.pixelSize: 17
}
ListView {
id: sourceListView
spacing: 5
Layout.fillWidth: true
Layout.fillHeight: true
model: simpleSourceModel
ScrollBar.vertical: ScrollBar {}
delegate: RowLayout {
width: ListView.view.width
Label {
Layout.fillWidth: true
font.bold: true
text: model.name
}
Button {
text: "delete"
onClicked: simpleSourceModel.remove(model.index)
}
Button {
text: "alter"
onClicked: simpleSourceModel.setProperty(
index, "name", simpleSourceModel.get(index).name + "_")
}
Button {
text: "⬆️"
onClicked: {
if (index !== 0)
simpleSourceModel.move(index, index - 1, 1)
}
}
Button {
text: "⬇️"
onClicked: {
if (index !== simpleSourceModel.count - 1)
simpleSourceModel.move(index, index + 1, 1)
}
}
}
}
}
ColumnLayout {
Layout.preferredWidth: parent.width / 2
Layout.fillHeight: true
Label {
text: "MOVABLE MODEL (press to drag&drop)"
font.bold: true
font.pixelSize: 17
}
ListView {
id: transformedListView
Layout.fillWidth: true
Layout.fillHeight: true
spacing: 5
model: movableModel
ScrollBar.vertical: ScrollBar {}
delegate: MouseArea {
id: dragArea
property bool held: false
readonly property int idx: model.index
anchors {
left: parent ? parent.left : undefined
right: parent ? parent.right : undefined
}
height: content.implicitHeight
drag.target: held ? content : undefined
drag.axis: Drag.YAxis
onPressAndHold: held = true
onReleased: held = false
RowLayout {
id: content
anchors {
horizontalCenter: parent.horizontalCenter
verticalCenter: parent.verticalCenter
}
width: dragArea.width
Drag.active: dragArea.held
Drag.source: dragArea
Drag.hotSpot.x: width / 2
Drag.hotSpot.y: height / 2
states: State {
when: dragArea.held
ParentChange { target: content; parent: root }
AnchorChanges {
target: content
anchors {
horizontalCenter: undefined
verticalCenter: undefined
}
}
}
Label {
Layout.fillWidth: true
font.bold: true
text: model.name
}
Button {
text: "⬆️"
enabled: index > 0
onClicked: movableModel.move(index, index - 1)
}
Button {
text: "⬇️"
enabled: index < transformedListView.count - 1
onClicked: movableModel.move(index, index + 1)
}
}
DropArea {
anchors { fill: parent; margins: 10 }
onEntered: {
const from = drag.source.idx
const to = dragArea.idx
if (from === to)
return
movableModel.move(from, to)
}
}
}
}
}
}
RowLayout {
anchors.bottom: parent.bottom
anchors.margins: 10
Button {
text: "append to source model"
onClicked: simpleSourceModel.append({ name: "X" })
}
Button {
text: "desynchronize"
onClicked: {
movableModel.desyncOrder()
}
}
Button {
text: "synchronize"
onClicked: {
movableModel.syncOrder()
}
}
Label {
text: "Synchronized: " + movableModel.synced
}
}
}
// category: Models