linear-app-launcher/Windows/Forms/Tile/TileContainer.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Threading;
using AppLauncher.Models;

namespace AppLauncher.Windows.Forms
{
    public partial class TileContainer : AUserControl
    {
        protected int collapseIncrement = 6;
        protected int expandIncrement = 8;
        protected TileGroupModel groupInfo = null;

        public TileContainer(TileGroupModel model) : base()
        {
            InitializeComponent();

            label1.TileGroupPanel = this;

            groupInfo = model;

            label1.TitleText = groupInfo.Title;
            panel1.SetGridSize(groupInfo.GridSize.Width, groupInfo.GridSize.Height);
            label1.Checked = groupInfo.IsExpanded;

            //label1.Width = panel1.Width;
            //label1.PanelHeight = panel1.Height;

            //this.Margin = new Padding(0);
            //this.Size = new Size(panel1.Width, (label1.Height + panel1.Height));
            //this.MaximumSize = this.Size;
            //this.MinimumSize = this.Size;

            //this.BackColor = Color.MistyRose;

            panel1.LoadTiles(model.Items);
        }

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            label1.Width = panel1.Width;

            this.Margin = new Padding(0);
            this.MaximumSize = new Size(panel1.Width, (label1.Height + panel1.ExpandedHeight));
            this.MinimumSize = new Size(panel1.Width, label1.Height);
            this.Size = this.MaximumSize;
        }

        protected int collapseHeight => label1.Height + panel1.CollapseHeight;

        protected int expandedHeight => label1.Height + panel1.ExpandedHeight;

        public async Task Collapse()
        {
            await Task.Run(() =>
            {
                while (this.Height > collapseHeight)
                {
                    if (this.InvokeRequired)
                    {
                        this.Invoke(new MethodInvoker(() => {
                            this.Height -= collapseIncrement;
                        }));
                    }
                    else
                    {
                        this.Height -= collapseIncrement;
                    }

                    Thread.Sleep(10);
                }
            });
        }

        public async Task CollapseNow()
        {
            await Task.Run(() =>
            {
                if (this.InvokeRequired)
                {
                    this.Invoke(new MethodInvoker(() => {
                        this.Height = collapseHeight;
                    }));
                }
                else
                {
                    this.Height = collapseHeight;
                }
            });
        }

        public async Task Expand()
        {
            await Task.Run(() =>
            {
                while (this.Height < expandedHeight)
                {
                    if (this.InvokeRequired)
                    {
                        this.Invoke(new MethodInvoker(() => {
                            this.Height += expandIncrement;
                            this.Invalidate();
                        }));
                    }
                    else
                    {
                        this.Height += expandIncrement;
                        this.Invalidate();
                    }

                    Thread.Sleep(10);
                }
            });
        }

    }
}