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import Qt 4.6

Flipable {
    id: Container

    property var frontContainer: ContainerFront
    property string photoTitle: ""
    property string photoDescription: ""
    property string photoTags: ""
    property int photoWidth
    property int photoHeight
    property string photoType
    property string photoAuthor
    property string photoDate
    property string photoUrl
    property int rating: 2
    property var prevScale: 1.0
    property int rotation: 0

    signal closed

    transform: Rotation3D {
        origin.x: Container.width / 2;
        axis.y: 1;
        angle: Container.rotation;
    }

    front: Item {
        id: ContainerFront; anchors.fill: Container

        Rect {
            anchors.fill: parent
            color: "black"; opacity: 0.4
            pen.color: "white"; pen.width: 2
        }

        MediaButton {
            id: BackButton; x: 630; y: 370; text: "Back"
            onClicked: { Container.closed() }
        }

        MediaButton {
            id: MoreButton; x: 530; y: 370; text: "View..."
            onClicked: { Container.state='Back' }
        }

        Text { id: TitleText; style: "Raised"; styleColor: "black"; color: "white"; elide: "ElideRight"
               x: 220; y: 30; width: parent.width - 240; text: Container.photoTitle; font.size: 22 }

        LikeOMeter { x: 40; y: 250; rating: Container.rating }

        Flickable { id: Flickable; x: 220; width: 480; height: 210; y: 130; clip: true
                    viewportWidth: 480; viewportHeight: DescriptionText.height

            WebView { id: DescriptionText; width: parent.width
                      html: "<style TYPE=\"text/css\">body {color: white;} a:link {color: cyan; text-decoration: underline; }</style>" + Container.photoDescription }
        }

        Text { id: Size; color: "white"; width: 300; x: 40; y: 300
               text: "<b>Size:</b> " + Container.photoWidth + 'x' + Container.photoHeight }
        Text { id: Type; color: "white"; width: 300; x: 40; anchors.top: Size.bottom
               text: "<b>Type:</b> " + Container.photoType }

        Text { id: Author; color: "white"; width: 300; x: 220; y: 80
               text: "<b>Author:</b> " + Container.photoAuthor }
        Text { id: Date; color: "white"; width: 300; x: 220; anchors.top: Author.bottom
               text: "<b>Published:</b> " + Container.photoDate }
        Text { id: TagsLabel; color: "white"; x: 220; anchors.top: Date.bottom;
               text: Container.photoTags == "" ? "" : "<b>Tags:</b> " }
        Text { id: Tags; color: "white"; width: parent.width-x-20;
                anchors.left: TagsLabel.right; anchors.top: Date.bottom;
                elide: "ElideRight"; text: Container.photoTags }

        ScrollBar { id: ScrollBar; x: 720; y: Flickable.y; width: 7; height: Flickable.height; opacity: 0;
                    flickableArea: Flickable; clip: true }
    }

    back: Item {
        anchors.fill: Container

        Rect { anchors.fill: parent; color: "black"; opacity: 0.4; pen.color: "white"; pen.width: 2 }

        Progress { anchors.centeredIn: parent; width: 200; height: 18; progress: BigImage.progress; visible: BigImage.status }
        Flickable {
            id: Flick; width: Container.width - 10; height: Container.height - 10
            x: 5; y: 5; clip: true;
            viewportWidth: ImageContainer.width; viewportHeight: ImageContainer.height

            Item {
                id: ImageContainer
                width: Math.max(BigImage.width * BigImage.scale, Flick.width);
                height: Math.max(BigImage.height * BigImage.scale, Flick.height);

                Image {
                    id: BigImage; source: Container.photoUrl; scale: Slider.value
                    // Center image if it is smaller than the flickable area.
                    x: ImageContainer.width > width*scale ? (ImageContainer.width - width*scale) / 2 : 0
                    y: ImageContainer.height > height*scale ? (ImageContainer.height - height*scale) / 2 : 0
                    smooth: !Flick.moving
                    onStatusChanged : {
                        // Default scale shows the entire image.
                        if (status == 0 && width != 0) {
                            Slider.minimum = Math.min(Flick.width / width, Flick.height / height);
                            prevScale = Math.min(Slider.minimum, 1);
                            Slider.value = prevScale;
                        }
                    }
                }
            }
        }

        MediaButton {
            id: BackButton2; x: 630; y: 370; text: "Back"; onClicked: { Container.state = '' }
        }
        Text {
            text: "Image Unavailable"
            visible: BigImage.status == 'Error'
            anchors.centeredIn: parent; color: "white"; font.bold: true
        }

        Slider {
            id: Slider; x: 25; y: 374; visible: { BigImage.status == 0 && maximum > minimum }
            onValueChanged: {
                if (BigImage.width * value > Flick.width) {
                    var xoff = (Flick.width/2 + Flick.xPosition) * value / prevScale;
                    Flick.xPosition = xoff - Flick.width/2;
                }
                if (BigImage.height * value > Flick.height) {
                    var yoff = (Flick.height/2 + Flick.yPosition) * value / prevScale;
                    Flick.yPosition = yoff - Flick.height/2;
                }
                prevScale = value;
            }
        }
    }

    states: [
        State {
            name: "Back"
            SetProperties { target: Container; rotation: 180 }
        }
    ]

    transitions: [
        Transition {
            SequentialAnimation {
                SetPropertyAction {
                    target: BigImage
                    property: "smooth"
                    value: false
                }
                NumberAnimation { easing: "easeInOutQuad"; properties: "rotation"; duration: 500 }
                SetPropertyAction {
                    target: BigImage
                    property: "smooth"
                    value: !Flick.moving
                }
            }
        }
    ]
}