/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
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** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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**
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** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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****************************************************************************/

import QtQuick 1.0
import Qt.labs.particles 1.0

Item { id:link
    property bool dying: false
    property bool spawned: false
    property int type: 0
    property int row: 0
    property int column: 0
    property int rotation;

    width: 40;
    height: 40

    x: margin - 3 + gridSize * column
    y: margin - 3 + gridSize * row
    Behavior on x { NumberAnimation { duration: spawned ? heartbeatInterval : 0} }
    Behavior on y { NumberAnimation { duration: spawned ? heartbeatInterval : 0 } }


    Item {
        id: img
        anchors.fill: parent
        Image {
            source: {
                if(type == 1) {
                    "pics/blueStone.png";
                } else if (type == 2) {
                    "pics/head.png";
                } else {
                    "pics/redStone.png";
                }
            }

            transform: Rotation {
                id: actualImageRotation
                origin.x: width/2; origin.y: height/2;
                angle: rotation * 90
                Behavior on angle {
                    RotationAnimation{
                        direction: RotationAnimation.Shortest
                        duration: spawned ? 200 : 0
                    }
                }
            }
        }

        Image {
            source: "pics/stoneShadow.png"
        }

        opacity: 0
    }


    Particles { id: particles
        width:1; height:1; anchors.centerIn: parent;
        emissionRate: 0;
        lifeSpan: 700; lifeSpanDeviation: 600;
        angle: 0; angleDeviation: 360;
        velocity: 100; velocityDeviation:30;
        source: {
            if(type == 1){
                "pics/blueStar.png";
            } else {
                "pics/redStar.png";
            }
        }
    }

    states: [
        State{ name: "AliveState"; when: spawned == true && dying == false
            PropertyChanges { target: img; opacity: 1 }
        },
        State{ name: "DeathState"; when: dying == true
            StateChangeScript { script: particles.burst(50); }
            PropertyChanges { target: img; opacity: 0 }
        }
    ]

    transitions: [
        Transition {
            NumberAnimation { target: img; property: "opacity"; duration: 200 }
        }
    ]

}