Qt 5.9 | Qt Positioning | GeoFlickr (QML) | ImageDetails.qml Example File

Qt 5.9.4 Reference Documentation

# ImageDetails.qml Example File

geoflickr/flickrmobile/ImageDetails.qml

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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 }
              }
          }
      }