@page "/"

@using Syncfusion.Blazor.TreeMap
@using System.Dynamic
@inject NavigationManager NavigationManager

<div class="control-section">
    <SfTreeMap DataSource="@Orders"
               WeightValuePath="Freight"
               Background="transparent"
               EnableGroupingSeparator="true">
        <TreeMapTitleSettings Text="Total" Alignment="Syncfusion.Blazor.TreeMap.Alignment.Near">

        </TreeMapTitleSettings>
        <TreeMapLevels>
            <TreeMapLevel GroupPath="OrderDate">
                <TreeMapLevelBorder Color="black" Width="0.5">
                </TreeMapLevelBorder>
            </TreeMapLevel>
        </TreeMapLevels>
        <TreeMapLeafItemSettings LabelPath="OrderDate" Opacity="0.5" Gap="20"
                                 InterSectAction="Syncfusion.Blazor.TreeMap.LabelAlignment.Trim">
            <TreeMapLeafLabelStyle Color="#fdfdfd" />
        </TreeMapLeafItemSettings>
    </SfTreeMap>
</div>

@code {
    public List<DynamicDictionary> Orders = new List<DynamicDictionary>() { };
    protected override void OnInitialized()
    {
        Orders = Enumerable.Range(1, 5).Select((x) =>
        {
            dynamic d = new DynamicDictionary();
            d.Freight = (new double[] { 2, 1, 4, 5, 3 })[new Random().Next(5)] * x;
            d.OrderDate = DateTime.Now.AddDays(-x).ToString();
            return d;
        }).Cast<DynamicDictionary>().ToList();
    }
    public class DynamicDictionary : DynamicObject
    {
        Dictionary<string, object> dictionary = new Dictionary<string, object>();

        public override bool TryGetMember(GetMemberBinder binder, out object result)
        {
            string name = binder.Name;
            return dictionary.TryGetValue(name, out result);
        }
        public override bool TrySetMember(SetMemberBinder binder, object value)
        {
            dictionary[binder.Name] = value;
            return true;
        }

        public override System.Collections.Generic.IEnumerable<string> GetDynamicMemberNames()
        {
            return this.dictionary?.Keys;
        }
    }
}