Qt 5.9 | Qt Quick | Qt Quick Examples - externaldraganddrop | DragAndDropTextItem.qml Example File

Qt 5.9.9 Reference Documentation

# DragAndDropTextItem.qml Example File

externaldraganddrop/DragAndDropTextItem.qml

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      import QtQuick 2.2
      import "../shared" as Examples

      Rectangle {
          id: item
          property string display
          property alias dropEnabled: acceptDropCB.checked
          color: dropArea.containsDrag ? "#CFC" : "#EEE"
          ColorAnimation on color {
              id: rejectAnimation
              from: "#FCC"
              to: "#EEE"
              duration: 1000
          }
          Text {
              anchors.fill: parent
              text: item.display
              wrapMode: Text.WordWrap
          }
          DropArea {
              id: dropArea
              anchors.fill: parent
              keys: ["text/plain"]
              onEntered: if (!acceptDropCB.checked) {
                  drag.accepted = false
                  rejectAnimation.start()
              }
              onDropped: if (drop.hasText && acceptDropCB.checked) {
                  if (drop.proposedAction == Qt.MoveAction || drop.proposedAction == Qt.CopyAction) {
                      item.display = drop.text
                      drop.acceptProposedAction()
                  }
              }
          }
          MouseArea {
              id: mouseArea
              anchors.fill: parent
              drag.target: draggable
          }
          Item {
              id: draggable
              anchors.fill: parent
              Drag.active: mouseArea.drag.active
              Drag.hotSpot.x: 0
              Drag.hotSpot.y: 0
              Drag.mimeData: { "text/plain": item.display }
              Drag.dragType: Drag.Automatic
              Drag.onDragFinished: if (dropAction == Qt.MoveAction) item.display = ""
          }
          Examples.CheckBox {
              id: acceptDropCB
              anchors.right: parent.right
              checked: true
              text: "accept drop"
          }
      }