SharepointUtility 1.0.1

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Net;
using System.Security;

namespace SharepointUtilityTester
{
	public partial class SharepointUtilityTester : Form
	{
		public SharepointUtilityTester()
		{
			/**
			 * If Net Framework version is less than 4.7, SecurityProtocol must be set below
			 */
			ServicePointManager.SecurityProtocol =
				SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;

			var statusStrip = new StatusStrip() { Parent = this, };
			var toolStripStatusLabel = new ToolStripStatusLabel() { Text = "Ready", TextAlign = ContentAlignment.MiddleLeft, Spring = true, };
			statusStrip.Items.Add(toolStripStatusLabel);

			TabControl tabControl = new TabControl() { Parent = this, Dock = DockStyle.Top, };


			ToolStrip toolStrip = new ToolStrip() { Parent = this, Dock = DockStyle.Top, };
			ToolStripButton toolStripButtonAdd = new ToolStripButton() { Text = "Add", AutoSize = false, Width = 200, Alignment = ToolStripItemAlignment.Right, BackColor = Color.Lime, };
			toolStrip.Items.Add(toolStripButtonAdd);

			toolStripButtonAdd.Click += (sender, e) =>
			{
				Form formAadd = new Form()
				{
					Text = "Add new connection",
					Font = SystemInformation.MenuFont,
					StartPosition = FormStartPosition.CenterScreen,
					Width = 600,
				};

				var panelheight = new TextBox().Height;
				Panel panelOKCancel = new Panel() { Parent = formAadd, Dock = DockStyle.Top, Height = panelheight, };
				Button buttonOK = new Button() { Parent = panelOKCancel, Text = "OK", DialogResult = DialogResult.OK, Dock = DockStyle.Right, };
				Button buttonCancel = new Button() { Parent = panelOKCancel, Text = "Cancel", DialogResult = DialogResult.Cancel, Dock = DockStyle.Right, };


				Panel panelShortcut = new Panel() { Parent = formAadd, Dock = DockStyle.Top, Height = panelheight * 5, };
				TextBox textBoxShortcut = new TextBox() { Parent = panelShortcut, Dock = DockStyle.Left, Multiline = true, Height = panelheight * 5, Text = "/foo/bar", };
				Label labelShortcut = new Label() { Parent = panelShortcut, Dock = DockStyle.Left, Text = "Shortcut serverRelativeUrl", };

				Panel panelPassword = new Panel() { Parent = formAadd, Dock = DockStyle.Top, Height = panelheight, };
				TextBox textBoxPassword = new TextBox() { Parent = panelPassword, Dock = DockStyle.Left, PasswordChar = '*', };
				Label labelPassword = new Label() { Parent = panelPassword, Dock = DockStyle.Left, Text = "Password", };
				Panel panelUserName = new Panel() { Parent = formAadd, Dock = DockStyle.Top, Height = panelheight, };
				TextBox textBoxUserName = new TextBox() { Parent = panelUserName, Dock = DockStyle.Left, };
				Label labelUserName = new Label() { Parent = panelUserName, Dock = DockStyle.Left, Text = "Username", };
				Panel panelUrl = new Panel() { Parent = formAadd, Dock = DockStyle.Top, Height = panelheight, };
				TextBox textBoxUrl = new TextBox() { Parent = panelUrl, Dock = DockStyle.Left, };
				Label labelUrl = new Label() { Parent = panelUrl, Dock = DockStyle.Left, Text = "Url", };
				textBoxPassword.Width = textBoxUrl.Width = textBoxUserName.Width = textBoxShortcut.Width = panelUrl.Width - labelUrl.Width;

				Action chk = ()=>
				{
					buttonOK.Enabled = !string.IsNullOrEmpty(textBoxUrl.Text) && !string.IsNullOrEmpty(textBoxUserName.Text);
				};
				textBoxUrl.TextChanged += (sender2, e2) => { chk(); };
				textBoxUserName.TextChanged += (sender2, e2) => { chk(); };
				chk();

				if (formAadd.ShowDialog() == DialogResult.OK)
				{
					if (string.IsNullOrEmpty(textBoxUrl.Text))
					{
						toolStripStatusLabel.Text = "Url is empty.";
						return;
					}
					if (string.IsNullOrEmpty(textBoxUserName.Text))
					{
						toolStripStatusLabel.Text = "Usernanme is empty.";
						return;
					}

					/** If SecureString is null, password input dialog is shown when connect */
					SecureString ss = null;
					if (!string.IsNullOrEmpty(textBoxPassword.Text))
					{
						ss = new SecureString();
						foreach (var c in textBoxPassword.Text) { ss.AppendChar(c); }
					}

					SharepointUtility.SharepointUtility sharePointUtility =
						new SharepointUtility.SharepointUtility(textBoxUrl.Text, textBoxUserName.Text, ss, (v) => { toolStripStatusLabel.Text = v; });
					TabPage page = new TabPage() { Text = textBoxUrl.Text, };
					page.Controls.Add(sharePointUtility.Panel);
					sharePointUtility.Panel.Dock = DockStyle.Fill;

					/** Add folder shortcut. The path is serverRelaativeUrl */
					ToolStripMenuItem toolStripMenuItemFolderList = new ToolStripMenuItem() { Text = "Shortcut", };
					foreach (var d in textBoxShortcut.Text.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries))
					{
						var tsmi = new ToolStripMenuItem() { Text = d, };
						tsmi.Click += async (sender2, e2) =>
						{
							toolStripStatusLabel.Text = d;
							await sharePointUtility.ChangeFolder(d);
						};
						toolStripMenuItemFolderList.DropDownItems.Add(tsmi);
					}
					sharePointUtility.ToolStrip.Items.Add(toolStripMenuItemFolderList);


					/** Can add to contextmenu what you like */
					ToolStripMenuItem toolStripMenuItemGlimps = new ToolStripMenuItem() {Text="Glimps", };
					toolStripMenuItemGlimps.Click += async (sender2, e2) => 
					{
						foreach(var si in sharePointUtility.SelectedItems)
						{
							if(!si.IsDir)
							{
								var d = await sharePointUtility.DownloadBinary(si.ServerRelativeUrl);
								MessageBox.Show(Encoding.UTF8.GetString(d));
							}
						}
					};

					sharePointUtility.ContextMenuStrip.Items.Insert(0,toolStripMenuItemGlimps);
					sharePointUtility.ContextMenuStrip.Items.Insert(1, new ToolStripSeparator());

					tabControl.Controls.Add(page);


					toolStripStatusLabel.Text = "Added a new sharePointUtility ";
				}

			};





			Font = SystemInformation.MenuFont;
			SizeChanged += (sender, e) =>
			{
				tabControl.Height = ClientSize.Height - statusStrip.Height;
			};

			ClientSize = new Size(1200, 800);
			StartPosition = FormStartPosition.CenterScreen;
			Text = "SharepointUtility Tester";
		}
	}
}