ListSelector.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 2.0

  Item {
      id: selector

      property alias list: view.model
      property alias selectedIndex: view.currentIndex
      property alias label: labelText.text
      property bool expanded

      width: 100; height: labelText.implicitHeight + 26

      Rectangle {
          anchors { left: parent.left; right: parent.right; bottom: parent.bottom; }

          height: labelText.implicitHeight + 4 + (expanded ? 20 * view.count : 20)
          Behavior on height { NumberAnimation { duration: 300 } }

          radius: 2
          border.width: 1
          border.color: "yellow"
          color: "yellow"

          MouseArea {
              anchors.fill: parent

              onClicked: selector.expanded = !selector.expanded

              Text {
                  id: labelText
                  anchors { left: parent.left; top: parent.top; margins: 2 }
              }

              Rectangle {
                  anchors {
                      left: parent.left; top: labelText.bottom;
                      right: parent.right; bottom: parent.bottom;
                      margins: 2
                      leftMargin: 10
                  }

                  radius: 2
                  color: "white"

                  ListView {
                      id: view

                      anchors.fill: parent

                      clip: true

                      delegate: Text {
                          anchors { left: parent.left; right: parent.right }
                          height: 20

                          verticalAlignment: Text.AlignVCenter

                          text: modelData

                          MouseArea {
                              anchors.fill: parent

                              onClicked: {
                                  view.currentIndex = index
                                  selector.expanded = !selector.expanded
                              }
                          }
                      }
                      highlight: Rectangle {
                          anchors { left: parent.left; right: parent.right }
                          height: 20
                          radius: 2

                          color: "yellow"
                      }
                  }
              }
          }
      }
  }