DragAndDropTextItem.qml Example File

  /****************************************************************************
  **
  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Contact: http://www.qt.io/licensing/
  **
  ** This file is part of the examples of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** You may use this file under the terms of the BSD license as follows:
  **
  ** "Redistribution and use in source and binary forms, with or without
  ** modification, are permitted provided that the following conditions are
  ** met:
  **   * Redistributions of source code must retain the above copyright
  **     notice, this list of conditions and the following disclaimer.
  **   * Redistributions in binary form must reproduce the above copyright
  **     notice, this list of conditions and the following disclaimer in
  **     the documentation and/or other materials provided with the
  **     distribution.
  **   * Neither the name of The Qt Company Ltd nor the names of its
  **     contributors may be used to endorse or promote products derived
  **     from this software without specific prior written permission.
  **
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/

  import QtQuick 2.2

  Rectangle {
      id: item
      property string display
      color: "#EEE"
      Text {
          anchors.fill: parent
          text: item.display
          wrapMode: Text.WordWrap
      }
      DropArea {
          anchors.fill: parent
          keys: ["text/plain"]
          onEntered: {
              item.color = "#FCC"
          }
          onExited: {
              item.color = "#EEE"
          }
          onDropped: {
              item.color = "#EEE"
              if (drop.hasText) {
                  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.onDragStarted: {
          }
          Drag.onDragFinished: {
              if (dropAction == Qt.MoveAction) {
                  item.display = ""
              }
          }
      } // Item
  }