Qt Quick Demo - Photo Viewer

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

 Component {
     id: albumDelegate
     Package {

         Item {
             Package.name: 'browser'
             GridView {
                 id: photosGridView; model: visualModel.parts.grid; width: mainWindow.width; height: mainWindow.height - 21
                 x: 0; y: 21; cellWidth: 160; cellHeight: 153; interactive: false
                 onCurrentIndexChanged: photosListView.positionViewAtIndex(currentIndex, ListView.Contain)
             }
         }

         Item {
             Package.name: 'fullscreen'
             ListView {
                 id: photosListView; model: visualModel.parts.list; orientation: Qt.Horizontal
                 width: mainWindow.width; height: mainWindow.height; interactive: false
                 onCurrentIndexChanged: photosGridView.positionViewAtIndex(currentIndex, GridView.Contain)
                 highlightRangeMode: ListView.StrictlyEnforceRange; snapMode: ListView.SnapOneItem
             }
         }

         Item {
             Package.name: 'album'
             id: albumWrapper; width: 210; height: 220

             DelegateModel {
                 id: visualModel; delegate: PhotoDelegate { }
                 model: RssModel { id: rssModel; tags: tag }
             }

             BusyIndicator {
                 id: busyIndicator
                 anchors { centerIn: parent; verticalCenterOffset: -20 }
                 on: rssModel.status != XmlListModel.Ready
             }

             PathView {
                 id: photosPathView; model: visualModel.parts.stack; pathItemCount: 5
                 visible: !busyIndicator.visible
                 anchors.centerIn: parent; anchors.verticalCenterOffset: -30
                 path: Path {
                     PathAttribute { name: 'z'; value: 9999.0 }
                     PathLine { x: 1; y: 1 }
                     PathAttribute { name: 'z'; value: 0.0 }
                 }
             }

             MouseArea {
                 anchors.fill: parent
                 onClicked: mainWindow.editMode ? photosModel.remove(index) : albumWrapper.state = 'inGrid'
             }

             Tag {
                 anchors { horizontalCenter: parent.horizontalCenter; bottom: parent.bottom; bottomMargin: 10 }
                 frontLabel: tag; backLabel: qsTr("Remove"); flipped: mainWindow.editMode
                 onTagChanged: rssModel.tags = tag
                 onBackClicked: if (mainWindow.editMode) photosModel.remove(index);
             }

             states: [
             State {
                 name: 'inGrid'
                 PropertyChanges { target: photosGridView; interactive: true }
                 PropertyChanges { target: albumsShade; opacity: 1 }
                 PropertyChanges { target: backButton; onClicked: albumWrapper.state = ''; y: 6 }
             },
             State {
                 name: 'fullscreen'; extend: 'inGrid'
                 PropertyChanges { target: photosGridView; interactive: false }
                 PropertyChanges { target: photosListView; interactive: true }
                 PropertyChanges { target: photosShade; opacity: 1 }
                 PropertyChanges { target: backButton; y: -backButton.height - 8 }
             }
             ]

             GridView.onAdd: NumberAnimation {
                 target: albumWrapper; properties: "scale"; from: 0.0; to: 1.0; easing.type: Easing.OutQuad
             }
             GridView.onRemove: SequentialAnimation {
                 PropertyAction { target: albumWrapper; property: "GridView.delayRemove"; value: true }
                 NumberAnimation { target: albumWrapper; property: "scale"; from: 1.0; to: 0.0; easing.type: Easing.OutQuad }
                 PropertyAction { target: albumWrapper; property: "GridView.delayRemove"; value: false }
             }

             transitions: [
             Transition {
                 from: '*'; to: 'inGrid'
                 SequentialAnimation {
                     NumberAnimation { properties: 'opacity'; duration: 250 }
                     PauseAnimation { duration: 350 }
                     NumberAnimation { target: backButton; properties: "y"; duration: 200; easing.type: Easing.OutQuad }
                 }
             },
             Transition {
                 from: 'inGrid'; to: '*'
                 NumberAnimation { properties: "y,opacity"; easing.type: Easing.OutQuad; duration: 300 }
             }
             ]
         }
     }
 }