slideshow.qml Example File

views/delegatemodel/slideshow.qml
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 import QtQuick 2.12
 import QtQml.Models 2.12
 import "../../shared" as Shared

 Rectangle {
     id: root

     property Item displayItem: null

     width: 300; height: 400

     color: "black"

     Shared.FlickrRssModel {
         id: flickrModel
         tags: "fjords,mountains"
     }
     DelegateModel {
         id: visualModel

         model: flickrModel
         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: thumbnail
                     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 }
     }
 }