import QtQuick 2.15
import QtQuick.Layouts
import FluentUI

Window {
    id: fileListTestWindow
    visible: true
    width: 800
    height: 600
    title: "File List Test1"
    Item {

        anchors.fill: parent
        ListView {
            id: listView
            anchors.fill: parent
            spacing: 10
            header: fileListItemHeader
            model: fileListModel
            delegate: fileListItemDelegate
        }
        Component {
            id: fileListItemHeader
            Item {
                id: fileListItemHeaderItem
                width: ListView.view.width
                height: 48
                FluBreadcrumbBar {
                    id: header
                    width: parent.width
                    height: parent.height
                    separator: ">"
                    items: [{
                            "title": "Home"
                        }, {
                            "title": "Documents"
                        }, {
                            "title": "File List"
                        }]
                    onClickItem: function (model) {
                        if (model.index + 1 !== count()) {
                            items = items.slice(0, model.index + 1)
                        }
                    }
                    onItemsChanged: {
                        fileListItemHeaderItem.update()
                    }
                }
                function add(folderName) {
                    listView.headerItem.children[0].items
                            = listView.headerItem.children[0].items.concat([{
                                                                                "title": folderName
                                                                            }])
                }
                function update() {
                    // combine all header items to a path
                    var path = ""
                    for (var i = 0; i < listView.headerItem.children[0].items.length; i++) {
                        path += listView.headerItem.children[0].items[i].title + "/"
                    }
                    console.log(path)
                    var newListModel = []
                    // http request for new list data
                    // fileListModel.clear()
                    // fileListModel.append(newListModel)
                }
            }
        }
        Component {
            id: fileListItemDelegate
            Rectangle {
                id: fileListItemRect
                width: ListView.view.width
                height: 100
                color: !ListView.isCurrentItem ? "lightgray" : "red"
                FileListItem {
                    width: parent.width
                    height: parent.height
                    title: model.title
                    isDir: model.isDir
                    brief: model.brief
                    size: model.size
                    type: model.type
                    date: model.date
                    pageView: model.pageView
                    stars: model.stars
                }
                MouseArea {
                    anchors.fill: parent
                    onClicked: {
                        listView.currentIndex = index
                        if (model.isDir) {
                            listView.headerItem.add(model.title)
                        }
                    }
                }
            }
        }
        ListModel {
            id: fileListModel
            ListElement {
                title: "File 1"
                isDir: true
                brief: "This is a test file"
                type: "FOLDER"
            }
            ListElement {
                title: "File 2"
                isDir: false
                brief: "This is a test file"
                size: 500
                type: "WORD"
                date: "2020-09-09"
                pageView: 100
                stars: 10
            }
            ListElement {
                title: "File 3"
                isDir: false
                brief: "This is a test file"
                type: "PPT"
                date: "2020-09-09"
                pageView: 100
                size: 10200000022
                stars: 10
            }
        }
    }
}