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Tags: upstream-1.3.65
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discover/qml/Information.qml
 
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import QtQuick 1.1
 
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import org.kde.plasma.components 0.1
 
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Item {
 
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    id: viewItem
 
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    property int current: 0
 
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    property QtObject dataModel
 
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    property QtObject currentElement: dataModel.get(current)
 
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    property Component delegate
 
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    property Item currentItem
 
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    visible: false
 
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    smooth: true
 
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    onDelegateChanged: restoreView()
 
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    onCurrentElementChanged: restoreView()
 
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    onDataModelChanged: current = 0
 
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    Component.onCompleted: viewItem.visible=true
 
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    function restoreView() { return restoreViewInternal(!viewItem.visible); }
 
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    function restoreViewInternal(force) {
 
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        if(!delegate || (destroyAnimation.running && !force) || !currentElement) {
 
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            return
 
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        }
 
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        try {
 
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            var oldItem = viewItem.currentItem
 
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            viewItem.currentItem = delegate.createObject(viewItem, { "modelData": currentElement })
 
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            viewItem.currentItem.anchors.fill=viewItem
 
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            if(oldItem) {
 
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                if(force) {
 
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                    oldItem.destroy()
 
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                } else {
 
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                    viewItem.currentItem.opacity = 0
 
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                    oldItem.z = viewItem.currentItem.z+1
 
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                    fadeoutAnimation.target = oldItem
 
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                    fadeinAnimation.target = viewItem.currentItem
 
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                    destroyAnimation.start()
 
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                }
 
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            }
 
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        } catch (e) {
 
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            console.log("error: "+e)
 
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            console.log("comp error: "+delegate.errorString())
 
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        }
 
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        if(timer.running)
 
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            timer.restart()
 
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    }
 
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    property real endOfWindow: 1230
 
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    ParallelAnimation {
 
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        id: destroyAnimation
 
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        NumberAnimation {
 
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            id: fadeoutAnimation
 
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            duration: 500
 
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            to: viewItem.endOfWindow
 
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            property: "anchors.leftMargin"
 
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            easing.type: Easing.InQuad
 
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        }
 
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        NumberAnimation {
 
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            duration: 500
 
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            to: -viewItem.endOfWindow
 
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            property: "anchors.rightMargin"
 
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            target: fadeoutAnimation.target
 
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            easing.type: fadeoutAnimation.easing.type
 
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        }
 
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        NumberAnimation {
 
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            duration: 500
 
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            from: 1
 
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            to: 0
 
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            property: "opacity"
 
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            target: fadeoutAnimation.target
 
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            easing.type: Easing.InQuad
 
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        }
 
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        NumberAnimation {
 
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            id: fadeinAnimation
 
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            duration: 500
 
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            from: 0
 
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            to: 1
 
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            property: "opacity"
 
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            target: viewItem.currentItem
 
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            easing.type: Easing.InQuad
 
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        }
 
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        onCompleted: fadeoutAnimation.target.destroy()
 
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    }
 
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    function next() {
 
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        viewItem.current = (viewItem.current+1)%dataModel.count
 
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    }
 
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    function previous() {
 
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        var val = viewItem.current-1
 
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        if(val<0)
 
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            val = dataModel.count-1
 
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        viewItem.current = val
 
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    }
 
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    MouseArea {
 
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        anchors.fill: parent
 
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        onClicked: info.next()
 
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    }
 
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    Timer {
 
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        id: timer
 
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        interval: 5000; running: viewItem.visible; repeat: true
 
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        onTriggered: info.next()
 
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    }
 
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}
 
 
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