/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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**
** 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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** modification, are permitted provided that the following conditions are
** met:
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**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
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**     of its contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
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import QtQuick 2.0
import "content"
import "content/calculator.js" as CalcEngine


Rectangle {
    id: window
    width: 320
    height: 480
    focus: true
    color: "#272822"

    onWidthChanged: controller.reload()

    function operatorPressed(operator) { CalcEngine.operatorPressed(operator) }
    function digitPressed(digit) { CalcEngine.digitPressed(digit) }

    Item {
        id: pad
        width: window.width * 0.58
        NumberPad { y: 10; anchors.horizontalCenter: parent.horizontalCenter }
    }

    AnimationController {
        id: controller
        animation: ParallelAnimation {
            id: anim
            NumberAnimation { target: display; property: "x"; duration: 400; from: -16; to: window.width - display.width; easing.type: Easing.InOutQuad }
            NumberAnimation { target: pad; property: "x"; duration: 400; from: window.width - pad.width; to: 0; easing.type: Easing.InOutQuad }
            SequentialAnimation {
                NumberAnimation { target: pad; property: "scale"; duration: 200; from: 1; to: 0.97; easing.type: Easing.InOutQuad }
                NumberAnimation { target: pad; property: "scale"; duration: 200; from: 0.97; to: 1; easing.type: Easing.InOutQuad }
            }
        }
    }

    Display {
        id: display
        x: -16
        width: window.width * 0.42
        height: parent.height

        MouseArea {
            property real startX: 0
            property real oldP: 0
            property bool rewind: false

            anchors.fill: parent
            onPositionChanged: {
                var reverse = startX > window.width / 2
                var mx = mapToItem(window, mouse.x).x
                var p = Math.abs((mx - startX) / (window.width - display.width))
                if (p < oldP)
                    rewind = reverse ? false : true
                else
                    rewind = reverse ? true : false
                controller.progress = reverse ? 1 - p : p
                oldP = p
            }
            onPressed: startX = mapToItem(window, mouse.x).x
            onReleased: {
                if (rewind)
                    controller.completeToBeginning()
                else
                    controller.completeToEnd()
            }
        }
    }

}