~nick-dedekind/unity/phablet-greeter-indicators

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/*
 * Copyright (C) 2013 Canonical, Ltd.
 *
 * 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 2.0
import Ubuntu.Components 0.1
import "../Components"
import "../Components/ListItems" as ListItems
import "Music"

LensView {
    id: lensView

    onIsCurrentChanged: {
        pageHeader.resetSearch();
    }

    onMovementStarted: categoryView.showHeader()

    Binding {
        target: lensView.lens
        property: "searchQuery"
        value: pageHeader.searchQuery
    }

    Connections {
        target: panel
        onSearchClicked: if (isCurrent) {
            pageHeader.triggerSearch()
            categoryView.showHeader()
        }
    }

    /* Workaround for bug: https://bugreports.qt-project.org/browse/QTBUG-28403
       When using Loader to load external QML file in the list deelgate, the ListView has
       a bug where it can position the delegate content to overlap the section header
       of the ListView - a workaround is to use sourceComponent of Loader instead */
    Component { id: musicCarousel;   MusicCarousel {} }
    Component { id: musicFilterGrid; MusicFilterGrid {} }

    function getRenderer(categoryId) {
        switch (categoryId) {
            case 0: return musicCarousel
            default: return musicFilterGrid
        }
    }

    ListViewWithPageHeader {
        id: categoryView
        anchors.fill: parent
        model: lensView.categories

        onAtYEndChanged: if (atYEnd) endReached()
        onMovingChanged: if (moving && atYEnd) endReached()

        delegate: ListItems.Base {
            id: base
            highlightWhenPressed: false

            property int categoryId: id

            Loader {
                anchors { top: parent.top; left: parent.left; right: parent.right }
                sourceComponent: lensView.getRenderer(base.categoryId)
                onLoaded: {
                    item.model = results
                }
                asynchronous: true
            }
        }

        sectionProperty: "name"
        sectionDelegate: ListItems.Header {
            width: categoryView.width
            text: section
        }
        pageHeader: PageHeader {
            id: pageHeader
            width: categoryView.width
            text: "Music"
            searchEntryEnabled: true
            searchHistory: root.searchHistory
        }
    }
}