/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     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.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

import QtQuick 1.0

Rectangle {
    id: menuBar
    width: 1000
    height:300

    property color fileColor: "plum"
    property color editColor: "powderblue"

    //container for the header and the buttons
    Rectangle{
        
        id: labelList
        height:parent.height/10
        width: parent.width
        color: "beige"
        gradient: Gradient {
                        GradientStop { position: 0.0; color: "#8C8F8C" }
                        GradientStop { position: 0.17; color: "#6A6D6A" }
                        GradientStop { position: 0.98;color: "#3F3F3F" }
                        GradientStop { position: 1.0; color: "#0e1B20" }
                }

        //default z is 0, items with higher z values are shown on top of items with lower z values
        z: 1

        //row displays its children in a vertical row
        Row{
            anchors.centerIn: parent
            spacing:40
            Button{
                height: 20
                width: 50
                label: "File"
                id: fileButton
                buttonColor : menuListView.currentIndex == 0? fileColor : Qt.darker(fileColor, 1.5)
                scale: menuListView.currentIndex == 0? 1.25: 1
                radius: 1

                //on a button click, change the list's currently selected item to FileMenu
                onButtonClick: {
                    menuListView.currentIndex = 0
                }
            }
            Button{
                height: 20
                width: 50
                id: editButton
                buttonColor : menuListView.currentIndex == 1?  editColor : Qt.darker(editColor, 1.5)
                scale: menuListView.currentIndex == 1? 1.25: 1    
                label: "Edit"
                radius: 1

                //on a button click, change the list's currently selected item to EditMenu
                onButtonClick: {
                    menuListView.currentIndex = 1    
                }

                
            }


        }
    }

    //a list of visual items already have delegates handling their display
    VisualItemModel{
        id: menuListModel

        FileMenu{
            width: menuListView.width
            height: menuBar.height
            color: fileColor
        }
        EditMenu{
            color: editColor
            width:  menuListView.width
            height: menuBar.height
            
        }
    }

    //list view will display a model according to a delegate
    ListView{
        id: menuListView
        anchors.fill:parent
        anchors.bottom: parent.bottom
        width:parent.width
        height: parent.height

        //the model contains the data
        model: menuListModel

        //control the movement of the menu switching
        snapMode: ListView.SnapOneItem
        orientation: ListView.Horizontal
        boundsBehavior: Flickable.StopAtBounds 
        flickDeceleration: 5000
        highlightFollowsCurrentItem: true
        highlightMoveDuration:240
        highlightRangeMode: ListView.StrictlyEnforceRange
    }


}
