~ahayzen/music-app/convergence-tabs-with-sidebar-01

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/*
 * Copyright (C) 2013, 2014, 2015
 *      Andrew Hayzen <ahayzen@gmail.com>
 *      Daniel Holm <d.holmen@gmail.com>
 *      Victor Thompson <victor.thompson@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 3.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import QtQuick 2.4
import Ubuntu.Components 1.3
import Ubuntu.Components.Popups 1.3


// generic page for music, could be useful for bottomedge implementation
Page {
    id: thisPage
    anchors {
        bottomMargin: musicToolbar.visible ? musicToolbar.height : 0
        fill: parent
    }
    head {  // hide default header
        locked: true
        visible: false
    }
    header: PageHeader {
        id: pageHeader
        extension: Sections {
            // Create a fake head section when needed
            // resolves issues with parent.top binding to the incorrect place
            // when head sections are then added by the state
            model: hasSections ? [" "] : []
        }

        flickable: thisPage.flickable
        leadingActionBar {
            actions: {
                if (mainPageStack.currentPage === tabs) {
                    tabs.tabActions
                } else if (mainPageStack.depth > 1) {
                    backActionComponent
                } else {
                    null
                }
            }
        }
        title: thisPage.title

        StyleHints {
            backgroundColor: mainView.headerColor
            dividerColor: Qt.darker(mainView.headerColor, 1.1)
        }

        Action {
            id: backActionComponent
            iconName: "back"
            onTriggered: mainPageStack.pop()
        }
    }

    property Dialog currentDialog
    property bool hasSections: false
    property bool searchable: false
    property int searchResultsCount
    property bool showToolbar: true

    Label {
        anchors {
            centerIn: parent
        }
        text: i18n.tr("No items found")
        visible: parent.state === "search" && searchResultsCount === 0
    }

    // FIXME: hack is a workaround for SDK bug pad.lv/1341814
    // which causes the header and contents of the page to become out of sync
    property Item __oldContents: null

    Connections {
        target: thisPage.head
        onContentsChanged: {
            if (thisPage.__oldContents) {
                thisPage.__oldContents.parent = null;
            }
            thisPage.__oldContents = thisPage.head.contents;
        }
    }

    onVisibleChanged: {
        if (visible) {
            mainPageStack.setPage(thisPage);
        }
    }
}