// Copyright (c) 2018 Ultimaker B.V.
// Cura is released under the terms of the LGPLv3 or higher.

import QtQuick 2.2
import QtQuick.Controls 2.0
import UM 1.3 as UM
import Cura 1.0 as Cura

// TODO: Theme & documentation!
// The expandable component has 3 major sub components:
//      * The headerItem Always visible and should hold some info about what happens if the component is expanded
//      * The popupItem The content that needs to be shown if the component is expanded.
Item
{
    id: base

    property bool expanded: false
    property var borderWidth: 1
    property color borderColor: "#EAEAEC"
    property color headerBackgroundColor: "white"
    property color headerHoverColor: "#f5f5f5"
    property color drawerBackgroundColor: "white"
    property alias headerItem: header.children
    property alias drawerItem: drawer.children

    width: parent.width
    height: childrenRect.height

    Rectangle
    {
        id: header
        border
        {
            color: borderColor
            width: borderWidth
        }
        color: headerMouseArea.containsMouse ? headerHoverColor : headerBackgroundColor
        height: childrenRect.height
        width: parent.width
        Behavior on color
        {
            ColorAnimation
            {
                duration: 100
            }
        }
    }

    MouseArea
    {
        id: headerMouseArea
        anchors.fill: header
        onClicked: base.expanded = !base.expanded
        hoverEnabled: true
    }

    Rectangle
    {
        id: drawer
        anchors
        {
            top: header.bottom
            topMargin: -1
        }
        border
        {
            color: borderColor
            width: borderWidth
        }
        clip: true
        color: headerBackgroundColor
        height: base.expanded ? childrenRect.height : 0
        width: parent.width
        Behavior on height
        {
            NumberAnimation
            {
                duration: 100
            }
        }
    }
}