ImageDetails.qml Example File | Qt Positioning 5.5

- Qt 5.5
- Qt Positioning
- GeoFlickr (QML)
- ImageDetails.qml Example File
- Qt 5.5.1 Reference Documentation

# ImageDetails.qml Example File

geoflickr/flickrmobile/ImageDetails.qml

    /****************************************************************************
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    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
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    **     from this software without specific prior written permission.
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    import QtQuick 2.0
    import "../flickrcommon" as Common

    Flipable {
        id: container

        property variant frontContainer: containerFront
        property string photoTitle: ""
        property string photoDate
        property string photoUrl
        property variant prevScale: 1.0

        signal closed

        transform: Rotation {
            id: itemRotation
            origin.x: container.width / 2;
            axis.y: 1; axis.z: 0
        }

        front: Item {
            id: containerFront; anchors.fill: container

            Rectangle {
                anchors.fill: parent
                color: "black"; opacity: 0.4
            }

            Column {
                spacing: 10
                anchors {
                    left: parent.left; leftMargin: 20
                    right: parent.right; rightMargin: 20
                    top: parent.top; topMargin: 180
                }
                Text { font.bold: true; color: "white"; elide: Text.ElideRight; text: container.photoTitle }
                Text { color: "white"; elide: Text.ElideRight; text: "<b>Published:</b> " + container.photoDate }
            }
        }

        back: Item {
            anchors.fill: container

            Rectangle { anchors.fill: parent; color: "black"; opacity: 0.4 }

            Common.Progress {
                anchors.centerIn: parent; width: 200; height: 18
                progress: bigImage.progress; visible: bigImage.status != Image.Ready
            }

            Flickable {
                id: flickable; anchors.fill: parent; clip: true
                contentWidth: imageContainer.width; contentHeight: imageContainer.height

                Item {
                    id: imageContainer
                    width: Math.max(bigImage.width * bigImage.scale, flickable.width);
                    height: Math.max(bigImage.height * bigImage.scale, flickable.height);

                    Image {
                        id: bigImage; // source: container.photoUrl
                        source: container.photoUrl
                        scale: slider.value
                        anchors.centerIn: parent; smooth: !flickable.movingVertically
                        onStatusChanged : {
                            // Default scale shows the entire image.
                            if (status == Image.Ready && width != 0) {
                                slider.minimum = Math.min(flickable.width / width, flickable.height / height);
                                prevScale = Math.min(slider.minimum, 1);
                                slider.value = prevScale;
                            }
                        }
                    }
                }
            }

            Text {
                text: "Image Unavailable"
                visible: bigImage.status == Image.Error
                anchors.centerIn: parent; color: "white"; font.bold: true
            }

            Common.Slider {
                id: slider; visible: { bigImage.status == Image.Ready && maximum > minimum }
                anchors {
                    bottom: parent.bottom; bottomMargin: 65
                    left: parent.left; leftMargin: 25
                    right: parent.right; rightMargin: 25
                }
                onValueChanged: {
                    if (bigImage.width * value > flickable.width) {
                        var xoff = (flickable.width/2 + flickable.contentX) * value / prevScale;
                        flickable.contentX = xoff - flickable.width/2;
                    }
                    if (bigImage.height * value > flickable.height) {
                        var yoff = (flickable.height/2 + flickable.contentY) * value / prevScale;
                        flickable.contentY = yoff - flickable.height/2;
                    }
                    prevScale = value;
                }
            }
        }

        states: State {
            name: "Back"
            PropertyChanges { target: itemRotation; angle: 180 }
        }

        transitions: Transition {
            SequentialAnimation {
                PropertyAction { target: bigImage; property: "smooth"; value: false }
                NumberAnimation { easing.type: Easing.InOutQuad; properties: "angle"; duration: 500 }
                PropertyAction { target: bigImage; property: "smooth"; value: !flickable.movingVertically }
            }
        }
    }