slideshow.qml Example File | Qt Quick 5.12.9

- Qt 5.12
- Qt Quick
- Qt Quick Examples - Views
- slideshow.qml Example File
- Qt 5.12.9 Reference Documentation

# slideshow.qml Example File

views/delegatemodel/slideshow.qml

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     ** This file is part of the examples of the Qt Toolkit.
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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 }
         }
     }