ScrollablePage.qml

/*
 *   Copyright 2015 Marco Martin <mart@kde.org>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Library General Public License as
 *   published by the Free Software Foundation; either version 2, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU Library General Public License for more details
 *
 *   You should have received a copy of the GNU Library General Public
 *   License along with this program; if not, write to the
 *   Free Software Foundation, Inc.,
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

import QtQuick 2.1
import QtQuick.Layouts 1.2
import org.kde.kirigami 1.0
import "private"

Page {
    id: root

    property alias refreshing: scrollView.refreshing

    property alias supportsRefreshing: scrollView.supportsRefreshing

    property alias flickable: scrollView.flickableItem

    default property alias contentItem: scrollView.contentItem

    property alias leftPadding: scrollView.leftPadding

    property alias topPadding: scrollView.topPadding

    property alias rightPadding: scrollView.rightPadding

    property alias bottomPadding: scrollView.bottomPadding

    children: [
        RefreshableScrollView {
            id: scrollView
            topPadding: (applicationWindow() && applicationWindow().header ? applicationWindow().header.preferredHeight : 0) + (contentItem == flickable ? 0 : Units.gridUnit)
            leftPadding: contentItem == flickable ? 0 : Units.gridUnit
            rightPadding: contentItem == flickable ? 0 : Units.gridUnit
            bottomPadding: contentItem == flickable ? 0 : Units.gridUnit
            anchors {
                fill: parent
            }
        },

        Item {
            id: overlay
            anchors.fill: parent
            property Item oldContentItem
        }
    ]

    //HACK to get the contentItem as the last one, all the other eventual items as an overlay
    //no idea if is the way the user expects
    onContentItemChanged: {
         if (overlay.oldContentItem) {
             overlay.oldContentItem.parent = overlay
         }
         overlay.oldContentItem = root.contentItem
    }
}