PhotoDelegate.qml Example File

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  import QtQuick 2.0
  import "script/script.js" as Script

  Package {
      Item { id: stackItem; Package.name: 'stack'; width: 160; height: 153; z: stackItem.PathView.z }
      Item { id: listItem; Package.name: 'list'; width: mainWindow.width + 40; height: 153 }
      Item { id: gridItem; Package.name: 'grid'; width: 160; height: 153 }

      Item {
          width: 160; height: 153

          Item {
              id: photoWrapper

              property double randomAngle: Math.random() * (2 * 6 + 1) - 6
              property double randomAngle2: Math.random() * (2 * 6 + 1) - 6

              x: 0; y: 0; width: 140; height: 133
              z: stackItem.PathView.z; rotation: photoWrapper.randomAngle

              BorderImage {
                  anchors {
                      fill: originalImage.status == Image.Ready ? border : placeHolder
                      leftMargin: -6; topMargin: -6; rightMargin: -8; bottomMargin: -8
                  }
                  source: 'images/box-shadow.png'
                  border.left: 10; border.top: 10; border.right: 10; border.bottom: 10
              }
              Rectangle {
                  id: placeHolder

                  property int w: Script.getWidth(content)
                  property int h: Script.getHeight(content)
                  property double s: Script.calculateScale(w, h, photoWrapper.width)

                  color: 'white'; anchors.centerIn: parent; antialiasing: true
                  width:  w * s; height: h * s; visible: originalImage.status != Image.Ready
                  Rectangle {
                      color: "#878787"; antialiasing: true
                      anchors { fill: parent; topMargin: 3; bottomMargin: 3; leftMargin: 3; rightMargin: 3 }
                  }
              }
              Rectangle {
                  id: border; color: 'white'; anchors.centerIn: parent; antialiasing: true
                  width: originalImage.paintedWidth + 6; height: originalImage.paintedHeight + 6
                  visible: !placeHolder.visible
              }
              BusyIndicator { anchors.centerIn: parent; on: originalImage.status != Image.Ready }
              Image {
                  id: originalImage; antialiasing: true;
                  source: "http://" + Script.getImagePath(content); cache: false
                  fillMode: Image.PreserveAspectFit; width: photoWrapper.width; height: photoWrapper.height
              }
              Image {
                  id: hqImage; antialiasing: true; source: ""; visible: false; cache: false
                  fillMode: Image.PreserveAspectFit; width: photoWrapper.width; height: photoWrapper.height
              }
              Binding {
                  target: mainWindow; property: "downloadProgress"; value: hqImage.progress
                  when: listItem.ListView.isCurrentItem
              }
              Binding {
                  target: mainWindow; property: "imageLoading"
                  value: (hqImage.status == Image.Loading) ? 1 : 0; when: listItem.ListView.isCurrentItem
              }
              MouseArea {
                  width: originalImage.paintedWidth; height: originalImage.paintedHeight; anchors.centerIn: originalImage
                  onClicked: {
                      if (albumWrapper.state == 'inGrid') {
                          gridItem.GridView.view.currentIndex = index;
                          albumWrapper.state = 'fullscreen'
                      } else {
                          gridItem.GridView.view.currentIndex = index;
                          albumWrapper.state = 'inGrid'
                      }
                  }
              }

              states: [
              State {
                  name: 'stacked'; when: albumWrapper.state == ''
                  ParentChange { target: photoWrapper; parent: stackItem; x: 10; y: 10 }
                  PropertyChanges { target: photoWrapper; opacity: stackItem.PathView.onPath ? 1.0 : 0.0 }
              },
              State {
                  name: 'inGrid'; when: albumWrapper.state == 'inGrid'
                  ParentChange { target: photoWrapper; parent: gridItem; x: 10; y: 10; rotation: photoWrapper.randomAngle2 }
              },
              State {
                  name: 'fullscreen'; when: albumWrapper.state == 'fullscreen'
                  ParentChange {
                      target: photoWrapper; parent: listItem; x: 0; y: 0; rotation: 0
                      width: mainWindow.width; height: mainWindow.height
                  }
                  PropertyChanges { target: border; opacity: 0 }
                  PropertyChanges { target: hqImage; source: listItem.ListView.isCurrentItem ? hq : ""; visible: true }
              }
              ]

              transitions: [
              Transition {
                  from: 'stacked'; to: 'inGrid'
                  SequentialAnimation {
                      PauseAnimation { duration: 10 * index }
                      ParentAnimation {
                          target: photoWrapper; via: foreground
                          NumberAnimation {
                              target: photoWrapper; properties: 'x,y,rotation,opacity'; duration: 600; easing.type: 'OutQuart'
                          }
                      }
                  }
              },
              Transition {
                  from: 'inGrid'; to: 'stacked'
                  ParentAnimation {
                      target: photoWrapper; via: foreground
                      NumberAnimation { properties: 'x,y,rotation,opacity'; duration: 600; easing.type: 'OutQuart' }
                  }
              },
              Transition {
                  from: 'inGrid'; to: 'fullscreen'
                  SequentialAnimation {
                      PauseAnimation { duration: gridItem.GridView.isCurrentItem ? 0 : 600 }
                      ParentAnimation {
                          target: photoWrapper; via: foreground
                          NumberAnimation {
                              targets: [ photoWrapper, border ]
                              properties: 'x,y,width,height,opacity,rotation'
                              duration: gridItem.GridView.isCurrentItem ? 600 : 1; easing.type: 'OutQuart'
                          }
                      }
                  }
              },
              Transition {
                  from: 'fullscreen'; to: 'inGrid'
                  ParentAnimation {
                      target: photoWrapper; via: foreground
                      NumberAnimation {
                          targets: [ photoWrapper, border ]
                          properties: 'x,y,width,height,rotation,opacity'
                          duration: gridItem.GridView.isCurrentItem ? 600 : 1; easing.type: 'OutQuart'
                      }
                  }
              }
              ]
          }
      }
  }