slideshow.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
  import QtQuick.XmlListModel 2.0
  import QtQml.Models 2.1

  Rectangle {
      id: root

      property Item displayItem: null

      width: 300; height: 400

      color: "black"

      DelegateModel {
          id: visualModel

          model: XmlListModel {
              source: "http://api.flickr.com/services/feeds/photos_public.gne?format=rss2"
              query: "/rss/channel/item"
              namespaceDeclarations: "declare namespace media=\"http://search.yahoo.com/mrss/\";"

              XmlRole { name: "imagePath"; query: "media:thumbnail/@url/string()" }
              XmlRole { name: "url"; query: "media:content/@url/string()" }
          }

          delegate: Item {
              id: delegateItem

              width: 76; height: 76

              Rectangle {
                  id: image
                  x: 0; y: 0; width: 76; height: 76
                  border.width: 1
                  border.color: "white"
                  color: "black"

                  Image {
                      anchors.fill: parent
                      anchors.leftMargin: 1
                      anchors.topMargin: 1

                      source: imagePath
                      fillMode: Image.PreserveAspectFit

                  }

                  MouseArea {
                      id: clickArea
                      anchors.fill: parent

                      onClicked: root.displayItem = root.displayItem !== delegateItem ? delegateItem : null
                  }

                  states: [
                      State {
                          when: root.displayItem === delegateItem
                          name: "inDisplay";
                          ParentChange { target: image; parent: imageContainer; x: 75; y: 75; width: 150; height: 150 }
                          PropertyChanges { target: image; z: 2 }
                          PropertyChanges { target: delegateItem; DelegateModel.inItems: false }
                      },
                      State {
                          when: root.displayItem !== delegateItem
                          name: "inList";
                          ParentChange { target: image; parent: delegateItem; x: 2; y: 2; width: 75; height: 75 }
                          PropertyChanges { target: image; z: 1 }
                          PropertyChanges { target: delegateItem; DelegateModel.inItems: true }
                      }
                  ]

                  transitions: [
                      Transition {
                          from: "inList"
                          SequentialAnimation {
                              PropertyAction { target: delegateItem; property: "DelegateModel.inPersistedItems"; value: true }
                              ParentAnimation {
                                  target: image;
                                  via: root
                                  NumberAnimation { target: image; properties: "x,y,width,height"; duration: 1000 }
                              }
                          }
                      }, Transition {
                          from: "inDisplay"
                          SequentialAnimation {
                              ParentAnimation {
                                  target: image
                                  NumberAnimation { target: image; properties: "x,y,width,height"; duration: 1000 }
                              }
                              PropertyAction { target: delegateItem; property: "DelegateModel.inPersistedItems"; value: false }
                          }
                      }
                  ]
              }
          }
      }

      PathView {
          id: imagePath

          anchors { left: parent.left; top: imageContainer.bottom; right: parent.right; bottom: parent.bottom }
          model: visualModel

          pathItemCount: 7
          path: Path {
              startX: -50; startY: 0
              PathQuad { x: 150; y: 50; controlX: 0; controlY: 50 }
              PathQuad { x: 350; y: 0; controlX: 300; controlY: 50 }
          }
      }

      Item {
          id: imageContainer
          anchors { fill: parent; bottomMargin: 100 }
      }
  }