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127 lines
3.4 KiB
127 lines
3.4 KiB
// SPDX-FileCopyrightText: 2022 Nheko Contributors
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// SPDX-FileCopyrightText: 2023 Nheko Contributors
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//
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// SPDX-License-Identifier: GPL-3.0-or-later
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import QtQuick 2.15
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import QtQml.Models 2.1
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import im.nheko 1.0
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import ".."
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Item {
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id: root
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property alias model: visualModel.model
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property Component delegate
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Component {
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id: dragDelegate
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MouseArea {
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id: dragArea
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required property var model
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required property int index
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enabled: model.moveable == undefined || model.moveable
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property bool held: false
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anchors { left: parent.left; right: parent.right }
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height: content.height
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drag.target: held ? content : undefined
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drag.axis: Drag.YAxis
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onPressAndHold: held = true
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onPressed: if (mouse.source !== Qt.MouseEventNotSynthesized) { held = true }
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onReleased: held = false
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onHeldChanged: if (held) ListView.view.currentIndex = dragArea.index; else ListView.view.currentIndex = -1
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Rectangle {
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id: content
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anchors {
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horizontalCenter: parent.horizontalCenter
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verticalCenter: parent.verticalCenter
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}
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width: dragArea.width; height: actualDelegate.implicitHeight + 4
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border.width: dragArea.enabled ? 1 : 0
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border.color: Nheko.colors.highlight
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color: dragArea.held ? Nheko.colors.highlight : Nheko.colors.base
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Behavior on color { ColorAnimation { duration: 100 } }
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radius: 2
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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 { target: content; parent: root }
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AnchorChanges {
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target: content
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anchors { horizontalCenter: undefined; verticalCenter: undefined }
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}
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}
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Loader {
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id: actualDelegate
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sourceComponent: root.delegate
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property var model: dragArea.model
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property int index: dragArea.index
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property int offset: -view.contentY + dragArea.y
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anchors { fill: parent; margins: 2 }
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}
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}
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DropArea {
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enabled: index != 0 || model.moveable == undefined || model.moveable
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anchors { fill: parent; margins: 8 }
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onEntered: (drag)=> {
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visualModel.model.move(drag.source.index, dragArea.index)
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}
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}
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}
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}
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DelegateModel {
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id: visualModel
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delegate: dragDelegate
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}
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ListView {
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id: view
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clip: true
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anchors { fill: parent; margins: 2 }
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ScrollHelper {
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flickable: parent
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anchors.fill: parent
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}
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model: visualModel
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highlightRangeMode: ListView.ApplyRange
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preferredHighlightBegin: 0.2 * height
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preferredHighlightEnd: 0.8 * height
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spacing: 4
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cacheBuffer: 50
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}
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}
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