ImageDetails.qml Example File

demos/declarative/flickr/mobile/ImageDetails.qml
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 import QtQuick 1.0
 import "../common" as Common

 Flipable {
     id: container

     property alias frontContainer: containerFront
     property string photoTitle: ""
     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 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: 10
                 right: parent.right; rightMargin: 10
                 top: parent.top; topMargin: 120
             }
             Text { font.bold: true; color: "white"; elide: Text.ElideRight; text: container.photoTitle; width: parent.width }
             Text { color: "white"; elide: Text.ElideRight; text: "Size: " + container.photoWidth + 'x' + container.photoHeight; width: parent.width }
             Text { color: "white"; elide: Text.ElideRight; text: "Type: " + container.photoType; width: parent.width }
             Text { color: "white"; elide: Text.ElideRight; text: "Author: " + container.photoAuthor; width: parent.width }
             Text { color: "white"; elide: Text.ElideRight; text: "Published: " + container.photoDate; width: parent.width }
             Text { color: "white"; elide: Text.ElideRight; text: container.photoTags == "" ? "" : "Tags: "; width: parent.width }
             Text { color: "white"; elide: Text.ElideRight; text: container.photoTags; width: parent.width }
         }
     }

     back: Item {
         anchors.fill: container

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

         Common.Progress {
             anchors.centerIn: parent; width: 200; height: 22
             progress: bigImage.progress; visible: bigImage.status != Image.Ready
         }

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

             function updateMinimumScale() {
                 if (bigImage.status == Image.Ready && bigImage.width != 0) {
                     slider.minimum = Math.min(flickable.width / bigImage.width, flickable.height / bigImage.height);
                     if (bigImage.width * slider.value > flickable.width) {
                         var xoff = (flickable.width/2 + flickable.contentX) * slider.value / prevScale;
                         flickable.contentX = xoff - flickable.width/2;
                     }
                     if (bigImage.height * slider.value > flickable.height) {
                         var yoff = (flickable.height/2 + flickable.contentY) * slider.value / prevScale;
                         flickable.contentY = yoff - flickable.height/2;
                     }
                     prevScale = slider.value;
                 }
             }

             onWidthChanged: updateMinimumScale()
             onHeightChanged: updateMinimumScale()

             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; scale: slider.value
                     anchors.centerIn: parent; smooth: !flickable.movingVertically
                     onStatusChanged : {
                         // Default scale shows the entire image.
                         if (bigImage.status == Image.Ready && bigImage.width != 0) {
                             slider.minimum = Math.min(flickable.width / bigImage.width, flickable.height / bigImage.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 }
         PropertyChanges { target: toolBar; button2Visible: false }
         PropertyChanges { target: toolBar; button1Label: "Back" }
     }

     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 }
         }
     }
 }