123 lines
3.5 KiB
C#
123 lines
3.5 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
|
|
namespace AlicizaX.UI
|
|
{
|
|
public class GroupAdapter<TData> : Adapter<TData> where TData : IGroupViewData, new()
|
|
{
|
|
private readonly List<TData> showList = new();
|
|
private string groupViewName;
|
|
|
|
public GroupAdapter(RecyclerView recyclerView, string groupViewName) : base(recyclerView)
|
|
{
|
|
this.groupViewName = groupViewName;
|
|
}
|
|
|
|
public GroupAdapter(RecyclerView recyclerView, List<TData> list) : base(recyclerView, list)
|
|
{
|
|
}
|
|
|
|
public GroupAdapter(RecyclerView recyclerView, List<TData> list, Action<TData> onItemClick) : base(recyclerView, list, onItemClick)
|
|
{
|
|
}
|
|
|
|
public GroupAdapter(RecyclerView recyclerView) : base(recyclerView)
|
|
{
|
|
}
|
|
|
|
|
|
public override int GetItemCount()
|
|
{
|
|
return showList.Count;
|
|
}
|
|
|
|
public override string GetViewName(int index)
|
|
{
|
|
return showList[index].TemplateName;
|
|
}
|
|
|
|
public override void OnBindViewHolder(ViewHolder viewHolder, int index)
|
|
{
|
|
if (index < 0 || index >= GetItemCount()) return;
|
|
|
|
TData data = showList[index];
|
|
|
|
viewHolder.BindViewData(data);
|
|
viewHolder.BindItemClick(data, t =>
|
|
{
|
|
if (data.TemplateName == groupViewName)
|
|
{
|
|
data.Expanded = !data.Expanded;
|
|
NotifyDataChanged();
|
|
}
|
|
else
|
|
{
|
|
SetChoiceIndex(index);
|
|
onItemClick?.Invoke(data);
|
|
}
|
|
});
|
|
}
|
|
|
|
public override void NotifyDataChanged()
|
|
{
|
|
foreach (var data in list)
|
|
{
|
|
CreateGroup(data.Type);
|
|
}
|
|
|
|
var groupList = showList.FindAll(data => data.TemplateName == groupViewName);
|
|
for (int i = 0; i < groupList.Count; i++)
|
|
{
|
|
int index = showList.IndexOf(groupList[i]);
|
|
Collapse(index);
|
|
if (groupList[i].Expanded)
|
|
{
|
|
Expand(index);
|
|
}
|
|
}
|
|
|
|
foreach (var group in groupList)
|
|
{
|
|
if (list.FindAll(data => data.Type == group.Type).Count == 0)
|
|
{
|
|
showList.Remove(group);
|
|
}
|
|
}
|
|
|
|
base.NotifyDataChanged();
|
|
}
|
|
|
|
protected internal override void SetList(List<TData> list)
|
|
{
|
|
showList.Clear();
|
|
base.SetList(list);
|
|
}
|
|
|
|
private void CreateGroup(int type)
|
|
{
|
|
var groupData = showList.Find(data => data.Type == type && data.TemplateName == groupViewName);
|
|
if (groupData == null)
|
|
{
|
|
groupData = new TData
|
|
{
|
|
TemplateName = groupViewName,
|
|
Type = type
|
|
};
|
|
showList.Add(groupData);
|
|
}
|
|
}
|
|
|
|
public void Expand(int index)
|
|
{
|
|
var expandList = list.FindAll(data => data.Type == showList[index].Type);
|
|
showList.InsertRange(index + 1, expandList);
|
|
}
|
|
|
|
public void Collapse(int index)
|
|
{
|
|
var collapseList = showList.FindAll(data => data.Type == showList[index].Type && data.TemplateName != groupViewName);
|
|
showList.RemoveRange(index + 1, collapseList.Count);
|
|
}
|
|
}
|
|
}
|