Qt 5.6 | Qt Quick | QML Dynamic View Ordering Tutorial 3 - Moving Dragged Items | dynamicview.qml Example File

Qt 5.6.3 Reference Documentation

# dynamicview.qml Example File

tutorials/dynamicview/dynamicview3/dynamicview.qml

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      import QtQuick 2.0
      import QtQml.Models 2.1
      Rectangle {
          id: root

          width: 300; height: 400

          Component {
              id: dragDelegate

              MouseArea {
                  id: dragArea

                  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
                  onReleased: held = false

                  Rectangle {
                      id: content
                      anchors {
                          horizontalCenter: parent.horizontalCenter
                          verticalCenter: parent.verticalCenter
                      }
                      width: dragArea.width; height: column.implicitHeight + 4

                      border.width: 1
                      border.color: "lightsteelblue"

                      color: dragArea.held ? "lightsteelblue" : "white"
                      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 }
                          }
                      }

                      Column {
                          id: column
                          anchors { fill: parent; margins: 2 }

                          Text { text: 'Name: ' + name }
                          Text { text: 'Type: ' + type }
                          Text { text: 'Age: ' + age }
                          Text { text: 'Size: ' + size }
                      }
                  }
                  DropArea {
                      anchors { fill: parent; margins: 10 }

                      onEntered: {
                          visualModel.items.move(
                                  drag.source.DelegateModel.itemsIndex,
                                  dragArea.DelegateModel.itemsIndex)
                      }
                  }
              }
          }
          DelegateModel {
              id: visualModel

              model: PetsModel {}
              delegate: dragDelegate
          }

          ListView {
              id: view

              anchors { fill: parent; margins: 2 }

              model: visualModel

              spacing: 4
              cacheBuffer: 50
          }
      }