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gridview.qml Example File

draganddrop/views/gridview.qml
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import QtQuick 2.0
import QtQml.Models 2.1

GridView {
    id: root
    width: 320; height: 480
    cellWidth: 80; cellHeight: 80

    displaced: Transition {
        NumberAnimation { properties: "x,y"; easing.type: Easing.OutQuad }
    }

    model: DelegateModel {
        id: visualModel
        model: ListModel {
            id: colorModel
            ListElement { color: "blue" }
            ListElement { color: "green" }
            ListElement { color: "red" }
            ListElement { color: "yellow" }
            ListElement { color: "orange" }
            ListElement { color: "purple" }
            ListElement { color: "cyan" }
            ListElement { color: "magenta" }
            ListElement { color: "chartreuse" }
            ListElement { color: "aquamarine" }
            ListElement { color: "indigo" }
            ListElement { color: "black" }
            ListElement { color: "lightsteelblue" }
            ListElement { color: "violet" }
            ListElement { color: "grey" }
            ListElement { color: "springgreen" }
            ListElement { color: "salmon" }
            ListElement { color: "blanchedalmond" }
            ListElement { color: "forestgreen" }
            ListElement { color: "pink" }
            ListElement { color: "navy" }
            ListElement { color: "goldenrod" }
            ListElement { color: "crimson" }
            ListElement { color: "teal" }
        }
        delegate: MouseArea {
            id: delegateRoot

            property int visualIndex: DelegateModel.itemsIndex

            width: 80; height: 80
            drag.target: icon

            Rectangle {
                id: icon
                width: 72; height: 72
                anchors {
                    horizontalCenter: parent.horizontalCenter;
                    verticalCenter: parent.verticalCenter
                }
                color: model.color
                radius: 3

                Drag.active: delegateRoot.drag.active
                Drag.source: delegateRoot
                Drag.hotSpot.x: 36
                Drag.hotSpot.y: 36

                states: [
                    State {
                        when: icon.Drag.active
                        ParentChange {
                            target: icon
                            parent: root
                        }

                        AnchorChanges {
                            target: icon;
                            anchors.horizontalCenter: undefined;
                            anchors.verticalCenter: undefined
                        }
                    }
                ]
            }

            DropArea {
                anchors { fill: parent; margins: 15 }

                onEntered: visualModel.items.move(drag.source.visualIndex, delegateRoot.visualIndex)
            }
        }
    }
}
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