476 lines
14 KiB
QML
476 lines
14 KiB
QML
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import QtQuick 2.15
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import QtQuick.Controls 2.15
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import QtQuick.Layouts 1.15
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import StatusQ 0.1
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import SortFilterProxyModel 0.2
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Item {
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id: root
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ListModel {
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id: simpleSourceModel
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ListElement {
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name: "entry 0"
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position: 0
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}
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ListElement {
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name: "entry 1"
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position: 1
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}
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ListElement {
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name: "entry 2"
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position: 2
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}
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ListElement {
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name: "entry 3"
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position: 3
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}
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ListElement {
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name: "entry 4"
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position: 7
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}
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ListElement {
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name: "entry 5"
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position: 6
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}
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ListElement {
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name: "entry 6"
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position: 5
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}
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ListElement {
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name: "entry 7"
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position: 4
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}
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}
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SortFilterProxyModel {
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id: sorted
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sorters: RoleSorter {
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roleName: sortByPositionRadioButton.checked ? "position" : "name"
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sortOrder: descendingCheckBox.checked ? Qt.DescendingOrder
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: Qt.AscendingOrder
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}
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sourceModel: simpleSourceModel
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}
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MovableModel {
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id: movableModel
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sourceModel: sorted
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}
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ColumnLayout {
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anchors.fill: parent
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anchors.margins: 10
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spacing: 5
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Item {
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Layout.fillWidth: true
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Layout.fillHeight: true
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ColumnLayout {
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id: sourceColumn
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anchors.top: parent.top
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anchors.bottom: parent.bottom
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anchors.left: parent.left
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anchors.margins: 20
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spacing: 20
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width: parent.width / 3
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Label {
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text: "SOURCE MODEL"
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font.bold: true
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font.pixelSize: 17
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}
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ListView {
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id: sourceListView
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spacing: 5
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clip: true
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Layout.fillWidth: true
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Layout.fillHeight: true
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model: simpleSourceModel
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ScrollBar.vertical: ScrollBar {}
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delegate: Item {
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id: sourceDelegateRoot
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anchors {
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left: parent ? parent.left : undefined
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right: parent ? parent.right : undefined
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}
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height: sourceContent.implicitHeight
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RowLayout {
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id: sourceContent
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Rectangle {
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color: "lightgray"
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Layout.fillHeight: true
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Layout.preferredWidth: 40
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Label {
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anchors.centerIn: parent
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text: "↕️"
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}
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MouseArea {
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id: sourceDragArea
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property bool held: false
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readonly property int idx: model.index
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anchors.fill: parent
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drag.target: held ? sourceContent : undefined
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drag.axis: Drag.YAxis
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onPressed: held = true
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onReleased: held = false
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}
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}
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width: sourceDelegateRoot.width
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Drag.active: sourceDragArea.held
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Drag.source: sourceDragArea
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Drag.hotSpot.x: width / 2
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Drag.hotSpot.y: height / 2
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states: State {
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when: sourceDragArea.held
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ParentChange {
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target: sourceContent
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parent: root
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}
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AnchorChanges {
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target: sourceContent
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anchors {
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horizontalCenter: undefined
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verticalCenter: undefined
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}
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}
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}
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Label {
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Layout.fillWidth: true
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font.bold: true
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text: model.name + ", position: " + model.position
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}
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RoundButton {
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text: "❌"
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onClicked: simpleSourceModel.remove(model.index)
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}
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RoundButton {
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text: "✎"
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onClicked: simpleSourceModel.setProperty(
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index, "name", simpleSourceModel.get(index).name + "_")
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}
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}
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DropArea {
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anchors { fill: parent; margins: 10 }
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onEntered: {
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const from = drag.source.idx
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const to = sourceDragArea.idx
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if (from === to)
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return
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simpleSourceModel.move(from, to, 1)
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}
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}
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}
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}
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}
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ColumnLayout {
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id: sfpmColumn
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anchors.top: parent.top
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anchors.bottom: parent.bottom
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anchors.left: sourceColumn.right
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anchors.margins: 20
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spacing: 20
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width: parent.width / 3
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Label {
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text: "SFPM MODEL"
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font.bold: true
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font.pixelSize: 17
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}
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ListView {
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id: sfpmListView
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spacing: 5
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clip: true
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Layout.fillWidth: true
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Layout.fillHeight: true
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model: sorted
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ScrollBar.vertical: ScrollBar {}
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delegate: RowLayout {
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width: ListView.view.width
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Label {
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Layout.fillWidth: true
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font.bold: true
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text: model.name + ", position: " + model.position
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}
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// to keep the same delegate height as in other list views
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RoundButton {
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enabled: false
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opacity: 0
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}
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}
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}
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}
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ColumnLayout {
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anchors.top: parent.top
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anchors.bottom: parent.bottom
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anchors.left: sfpmColumn.right
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anchors.right: parent.right
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anchors.margins: 20
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spacing: 20
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Label {
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text: "MOVABLE MODEL"
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font.bold: true
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font.pixelSize: 17
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}
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ListView {
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id: transformedListView
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Layout.fillWidth: true
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Layout.fillHeight: true
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spacing: 5
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clip: true
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model: movableModel
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ScrollBar.vertical: ScrollBar {}
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delegate: Item {
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id: delegateRoot
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anchors {
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left: parent ? parent.left : undefined
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right: parent ? parent.right : undefined
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}
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height: content.implicitHeight
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RowLayout {
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id: content
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Rectangle {
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color: "lightgray"
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Layout.fillHeight: true
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Layout.preferredWidth: 40
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Label {
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anchors.centerIn: parent
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text: "↕️"
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}
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MouseArea {
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id: dragArea
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property bool held: false
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readonly property int idx: model.index
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anchors.fill: parent
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drag.target: held ? content : undefined
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drag.axis: Drag.YAxis
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onPressed: held = true
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onReleased: held = false
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}
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}
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width: delegateRoot.width
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Drag.active: dragArea.held
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Drag.source: dragArea
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Drag.hotSpot.x: width / 2
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Drag.hotSpot.y: height / 2
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states: State {
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when: dragArea.held
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ParentChange {
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target: content
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parent: root
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}
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AnchorChanges {
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target: content
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anchors {
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horizontalCenter: undefined
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verticalCenter: undefined
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}
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}
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}
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Label {
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Layout.fillWidth: true
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font.bold: true
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text: model.name + ", position: " + model.position
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}
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RoundButton {
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text: "⬆️"
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enabled: index > 0
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onClicked: movableModel.move(index, 0)
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}
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RoundButton {
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text: "⬇️"
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enabled: index < transformedListView.count - 1
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onClicked: movableModel.move(
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index, transformedListView.count - 1)
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}
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}
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DropArea {
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anchors { fill: parent; margins: 10 }
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onEntered: {
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const from = drag.source.idx
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const to = dragArea.idx
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if (from === to)
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return
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movableModel.move(from, to)
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}
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}
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}
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}
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}
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Rectangle {
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width: 1
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color: "gray"
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anchors.top: parent.top
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anchors.bottom: parent.bottom
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anchors.left: sourceColumn.right
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anchors.leftMargin: 10
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}
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Rectangle {
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width: 1
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color: "gray"
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anchors.top: parent.top
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anchors.bottom: parent.bottom
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anchors.left: sfpmColumn.right
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anchors.leftMargin: 10
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}
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}
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Button {
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Layout.alignment: Qt.AlignHCenter
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text: "SAVE ORDER"
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font.pixelSize: 30
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onClicked: {
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const count = simpleSourceModel.count
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const newOrder = movableModel.order()
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const newOrderInverted = []
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const sourceIndexes = []
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for (let i = 0; i < count; i++)
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newOrderInverted[newOrder[i]] = i
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for (let j = 0; j < count; j++)
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sourceIndexes.push(sorted.mapToSource(j))
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for (let k = 0; k < count; k++)
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simpleSourceModel.setProperty(sourceIndexes[k], "position",
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newOrderInverted[k])
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}
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}
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RowLayout {
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Layout.fillHeight: false
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RadioButton {
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text: "Sort by name"
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}
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RadioButton {
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id: sortByPositionRadioButton
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text: "Sort by position"
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checked: true
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}
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CheckBox {
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id: descendingCheckBox
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text: "descending"
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}
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}
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RowLayout {
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Layout.fillHeight: false
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Button {
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text: "append to source model"
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onClicked: simpleSourceModel.append({ name: "X" })
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}
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Button {
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text: "detach order explicitely"
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onClicked: movableModel.detach()
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}
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Label {
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text: `Detached: <b>${movableModel.detached}</b>`
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}
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}
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|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// category: Models
|