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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the examples of the Qt Mobility Components.
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** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
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**     distribution.
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import Qt 4.7
import QtMobility.gallery 1.1
import "MusicBrowserCore"

Rectangle {
    id: browser
    width: 800
    height: 480
    color: "black"

    Flipable {
        property real angle: 0

        id: menu
        anchors.fill: parent

        front: Item {
            anchors.fill: parent

            Grid {
                anchors.centerIn: parent
                columns: parent.width > parent.height ? 4 : 2

                TypeDelegate {
                    icon: "MusicBrowserCore/images/albums.png"
                    itemType: DocumentGallery.Album
                    onClicked: {
                        viewLoader.sourceComponent = albumView
                        viewButton.text = "Albums"
                        menu.state = "showView"
                    }
                }

                TypeDelegate {
                    icon: "MusicBrowserCore/images/artists.png"
                    itemType: DocumentGallery.Artist
                    onClicked: {
                        viewLoader.sourceComponent = artistView
                        viewButton.text = "Artists"
                        menu.state = "showView"
                    }
                }

                TypeDelegate {
                    icon: "MusicBrowserCore/images/genres.png"
                    itemType: DocumentGallery.AudioGenre
                    onClicked: {
                        viewLoader.sourceComponent = genreView;
                        viewButton.text = "Genres"
                        menu.state = "showView"
                    }
                }

                TypeDelegate {
                    icon: "MusicBrowserCore/images/songs.png"
                    itemType: DocumentGallery.Audio
                    onClicked: {
                        viewLoader.sourceComponent = songView;
                        viewButton.text = "Songs"
                        menu.state = "showView"
                    }
                }
            }

            Text {
                anchors.top: parent.top
                anchors.topMargin: 5
                anchors.right: parent.right
                anchors.rightMargin: 5

                color: "grey"
                font.pointSize: 20

                text: qsTr("Close")

                MouseArea {
                    anchors.fill: parent
                    onClicked: Qt.quit()
                }
            }
        }
        back: Item {
            anchors.fill: parent

            Text {
                id: menuButton
                color: "grey"
                font.pointSize: 20
                anchors.top: parent.top
                anchors.left: parent.left
                text: qsTr("Menu")

                MouseArea {
                    anchors.fill: parent
                    onClicked: menu.state = ""
                }
            }

            MenuButton {
                id: viewButton
                anchors.left: menuButton.right
                anchors.top: parent.top
                enabled: viewLoader.status == Loader.Ready && viewLoader.item.backEnabled

                onClicked: viewLoader.item.back();
            }

            MenuButton {
                id: viewBackButton
                anchors.left: viewButton.right
                anchors.top: parent.top
                visible: viewLoader.status == Loader.Ready && viewLoader.item.backEnabled
                text: viewLoader.status == Loader.Ready ? viewLoader.item.subTitle : ""
                enabled: false
            }

            Loader {
                id: viewLoader
                anchors.top: menuButton.bottom
                anchors.left: parent.left
                anchors.right: parent.right
                anchors.bottom: parent.bottom
            }
        }

        Component { id: albumView; AlbumView {} }
        Component { id: artistView; CategoryView { categoryType: DocumentGallery.Artist } }
        Component { id: genreView; CategoryView { categoryType: DocumentGallery.AudioGenre } }
        Component { id: songView; SongView {} }

        transform: Rotation {
            origin.x: menu.width / 2; origin.y: menu.height / 2;
            axis.x: 1; axis.y: 0; axis.z: 0;
            angle: menu.angle;
        }

        states: [
            State {
                name: "showView"
                PropertyChanges {
                    target: menu
                    angle: 180
                }
            }
        ]

        transitions: Transition {
            NumberAnimation { properties: "angle"; duration: 1000 }
        }
    }

    SongProperties {
        id: songProperties

        width: parent.width
        height: parent.height
        x: 0
        y: parent.height

        function show(itemId) { songId = itemId; state = 'visible' }
        function close() { songId = undefined; state = "" }

        states: [
            State {
                name: "visible"
                PropertyChanges { target: songProperties; y: 0 }
            }
        ]

        transitions: [
            Transition {
                from: ""
                to: "visible"
                PropertyAnimation { target: songProperties; property: "y"; duration: 300 }
            },
            Transition {
                from: "visible"
                to: ""
                PropertyAnimation { target: songProperties; property: "y"; duration: 200 }
            }
        ]
    }
}