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// SPDX-FileCopyrightText: Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later
import QtQuick
import QtQml.Models
Item {
id: root
property alias model: visualModel.model
property Component delegate
Component {
id: dragDelegate
MouseArea {
id: dragArea
required property var model
required property int index
enabled: model.moveable == undefined || model.moveable
property bool held: false
anchors { left: parent.left; right: parent.right }
height: content.height
drag.target: held ? content : undefined
drag.axis: Drag.YAxis
onPressAndHold: held = true
onPressed: if (mouse.source !== Qt.MouseEventNotSynthesized) { held = true }
onReleased: held = false
onHeldChanged: if (held) ListView.view.currentIndex = dragArea.index; else ListView.view.currentIndex = -1
Rectangle {
id: content
anchors {
horizontalCenter: parent.horizontalCenter
verticalCenter: parent.verticalCenter
}
width: dragArea.width; height: actualDelegate.implicitHeight + 4
border.width: dragArea.enabled ? 1 : 0
border.color: palette.highlight
color: dragArea.held ? palette.highlight : palette.base
Behavior on color { ColorAnimation { duration: 100 } }
radius: 2
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 }
}
}
Loader {
id: actualDelegate
sourceComponent: root.delegate
property var model: dragArea.model
property int index: dragArea.index
property int offset: -view.contentY + dragArea.y
anchors { fill: parent; margins: 2 }
}
}
DropArea {
enabled: index != 0 || model.moveable == undefined || model.moveable
anchors { fill: parent; margins: 8 }
onEntered: (drag)=> {
visualModel.model.move(drag.source.index, dragArea.index)
}
}
}
}
DelegateModel {
id: visualModel
delegate: dragDelegate
}
ListView {
id: view
clip: true
anchors { fill: parent; margins: 2 }
model: visualModel
highlightRangeMode: ListView.ApplyRange
preferredHighlightBegin: 0.2 * height
preferredHighlightEnd: 0.8 * height
spacing: 4
cacheBuffer: 50
}
}
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