UN AUTRE TREEVIEW

Exemple d'utilisation

using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Drawing;
using System.Windows.Forms;

namespace Genius.Controls
{
	/// <summary>
	/// Summary description for DemoTreeView.
	/// </summary>
	public class DemoTreeView : Form
	{
		private GeniusTreeView FTree;

		private Panel panel1;
		private Splitter splitter1;
		private Panel pnlTreeview;
		private CheckBox cbShowHeader;
		private CheckBox cbShowTreeLines;
		private CheckBox cbuseColumns;
		private ContextMenu contextMenu1;
		private MenuItem menuItem10;
		private MenuItem menuItem11;
		private MenuItem menuItem12;
		private MenuItem menuItem13;
		private MenuItem menuItem14;
		private MenuItem menuItem15;
		private MenuItem menuItem16;
		private MenuItem menuItem17;
		private MenuItem menuItem18;
		private MenuItem menuItem19;
		private MenuItem menuItem20;
		private CheckBox cbCanEdit;
		private CheckBox cbCanCheck;
		private CheckBox cbCanUncheck;
		private CheckBox checkBox4;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.CheckBox cbHGridLine;
		private System.Windows.Forms.CheckBox cbVGridLine;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private Container components = null;

		public DemoTreeView()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.panel1 = new System.Windows.Forms.Panel();
			this.cbVGridLine = new System.Windows.Forms.CheckBox();
			this.label1 = new System.Windows.Forms.Label();
			this.checkBox4 = new System.Windows.Forms.CheckBox();
			this.cbCanUncheck = new System.Windows.Forms.CheckBox();
			this.cbCanCheck = new System.Windows.Forms.CheckBox();
			this.cbCanEdit = new System.Windows.Forms.CheckBox();
			this.cbuseColumns = new System.Windows.Forms.CheckBox();
			this.cbHGridLine = new System.Windows.Forms.CheckBox();
			this.cbShowTreeLines = new System.Windows.Forms.CheckBox();
			this.cbShowHeader = new System.Windows.Forms.CheckBox();
			this.splitter1 = new System.Windows.Forms.Splitter();
			this.pnlTreeview = new System.Windows.Forms.Panel();
			this.contextMenu1 = new System.Windows.Forms.ContextMenu();
			this.menuItem10 = new System.Windows.Forms.MenuItem();
			this.menuItem20 = new System.Windows.Forms.MenuItem();
			this.menuItem11 = new System.Windows.Forms.MenuItem();
			this.menuItem12 = new System.Windows.Forms.MenuItem();
			this.menuItem13 = new System.Windows.Forms.MenuItem();
			this.menuItem14 = new System.Windows.Forms.MenuItem();
			this.menuItem15 = new System.Windows.Forms.MenuItem();
			this.menuItem16 = new System.Windows.Forms.MenuItem();
			this.menuItem17 = new System.Windows.Forms.MenuItem();
			this.menuItem18 = new System.Windows.Forms.MenuItem();
			this.menuItem19 = new System.Windows.Forms.MenuItem();
			this.panel1.SuspendLayout();
			this.SuspendLayout();
			// 
			// panel1
			// 
			this.panel1.Controls.Add(this.cbVGridLine);
			this.panel1.Controls.Add(this.label1);
			this.panel1.Controls.Add(this.checkBox4);
			this.panel1.Controls.Add(this.cbCanUncheck);
			this.panel1.Controls.Add(this.cbCanCheck);
			this.panel1.Controls.Add(this.cbCanEdit);
			this.panel1.Controls.Add(this.cbuseColumns);
			this.panel1.Controls.Add(this.cbHGridLine);
			this.panel1.Controls.Add(this.cbShowTreeLines);
			this.panel1.Controls.Add(this.cbShowHeader);
			this.panel1.Dock = System.Windows.Forms.DockStyle.Top;
			this.panel1.Location = new System.Drawing.Point(0, 0);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(520, 72);
			this.panel1.TabIndex = 0;
			// 
			// cbVGridLine
			// 
			this.cbVGridLine.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.cbVGridLine.Location = new System.Drawing.Point(16, 56);
			this.cbVGridLine.Name = "cbVGridLine";
			this.cbVGridLine.Size = new System.Drawing.Size(103, 16);
			this.cbVGridLine.TabIndex = 9;
			this.cbVGridLine.Text = "ShowGridlines ?";
			this.cbVGridLine.CheckedChanged += new System.EventHandler(this.cbVGridLine_CheckedChanged);
			// 
			// label1
			// 
			this.label1.AllowDrop = true;
			this.label1.Location = new System.Drawing.Point(392, 24);
			this.label1.Name = "label1";
			this.label1.TabIndex = 8;
			this.label1.Text = "Drag or Drop";
			this.label1.GiveFeedback += new System.Windows.Forms.GiveFeedbackEventHandler(this.label1_GiveFeedback);
			this.label1.DragEnter += new System.Windows.Forms.DragEventHandler(this.label1_DragEnter);
			this.label1.DragOver += new System.Windows.Forms.DragEventHandler(this.label1_DragOver);
			this.label1.MouseDown += new System.Windows.Forms.MouseEventHandler(this.label1_MouseDown);
			// 
			// checkBox4
			// 
			this.checkBox4.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.checkBox4.Location = new System.Drawing.Point(216, 8);
			this.checkBox4.Name = "checkBox4";
			this.checkBox4.Size = new System.Drawing.Size(104, 16);
			this.checkBox4.TabIndex = 7;
			this.checkBox4.Text = "usecolumns ?";
			// 
			// cbCanUncheck
			// 
			this.cbCanUncheck.Checked = true;
			this.cbCanUncheck.CheckState = System.Windows.Forms.CheckState.Checked;
			this.cbCanUncheck.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.cbCanUncheck.Location = new System.Drawing.Point(216, 48);
			this.cbCanUncheck.Name = "cbCanUncheck";
			this.cbCanUncheck.Size = new System.Drawing.Size(104, 16);
			this.cbCanUncheck.TabIndex = 6;
			this.cbCanUncheck.Text = "CanUncheck";
			// 
			// cbCanCheck
			// 
			this.cbCanCheck.Checked = true;
			this.cbCanCheck.CheckState = System.Windows.Forms.CheckState.Checked;
			this.cbCanCheck.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.cbCanCheck.Location = new System.Drawing.Point(120, 48);
			this.cbCanCheck.Name = "cbCanCheck";
			this.cbCanCheck.Size = new System.Drawing.Size(104, 16);
			this.cbCanCheck.TabIndex = 5;
			this.cbCanCheck.Text = "CanCheck";
			// 
			// cbCanEdit
			// 
			this.cbCanEdit.Checked = true;
			this.cbCanEdit.CheckState = System.Windows.Forms.CheckState.Checked;
			this.cbCanEdit.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.cbCanEdit.Location = new System.Drawing.Point(120, 28);
			this.cbCanEdit.Name = "cbCanEdit";
			this.cbCanEdit.Size = new System.Drawing.Size(104, 16);
			this.cbCanEdit.TabIndex = 4;
			this.cbCanEdit.Text = "CanEdit";
			// 
			// cbuseColumns
			// 
			this.cbuseColumns.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.cbuseColumns.Location = new System.Drawing.Point(120, 8);
			this.cbuseColumns.Name = "cbuseColumns";
			this.cbuseColumns.Size = new System.Drawing.Size(104, 16);
			this.cbuseColumns.TabIndex = 3;
			this.cbuseColumns.Text = "usecolumns ?";
			this.cbuseColumns.CheckedChanged += new System.EventHandler(this.cbuseColumns_CheckedChanged);
			// 
			// cbHGridLine
			// 
			this.cbHGridLine.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.cbHGridLine.Location = new System.Drawing.Point(16, 40);
			this.cbHGridLine.Name = "cbHGridLine";
			this.cbHGridLine.Size = new System.Drawing.Size(104, 16);
			this.cbHGridLine.TabIndex = 2;
			this.cbHGridLine.Text = "ShowGridlines ?";
			this.cbHGridLine.CheckedChanged += new System.EventHandler(this.cbGridLine_CheckedChanged);
			// 
			// cbShowTreeLines
			// 
			this.cbShowTreeLines.Checked = true;
			this.cbShowTreeLines.CheckState = System.Windows.Forms.CheckState.Checked;
			this.cbShowTreeLines.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.cbShowTreeLines.Location = new System.Drawing.Point(16, 24);
			this.cbShowTreeLines.Name = "cbShowTreeLines";
			this.cbShowTreeLines.Size = new System.Drawing.Size(112, 16);
			this.cbShowTreeLines.TabIndex = 1;
			this.cbShowTreeLines.Text = "ShowTreeLines ?";
			this.cbShowTreeLines.CheckedChanged += new System.EventHandler(this.cbShowTreeLines_CheckedChanged);
			// 
			// cbShowHeader
			// 
			this.cbShowHeader.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
			this.cbShowHeader.Location = new System.Drawing.Point(16, 8);
			this.cbShowHeader.Name = "cbShowHeader";
			this.cbShowHeader.Size = new System.Drawing.Size(104, 16);
			this.cbShowHeader.TabIndex = 0;
			this.cbShowHeader.Text = "ShowHeader ?";
			this.cbShowHeader.CheckedChanged += new System.EventHandler(this.cbShowHeader_CheckedChanged);
			// 
			// splitter1
			// 
			this.splitter1.Dock = System.Windows.Forms.DockStyle.Top;
			this.splitter1.Location = new System.Drawing.Point(0, 72);
			this.splitter1.Name = "splitter1";
			this.splitter1.Size = new System.Drawing.Size(520, 3);
			this.splitter1.TabIndex = 1;
			this.splitter1.TabStop = false;
			// 
			// pnlTreeview
			// 
			this.pnlTreeview.Dock = System.Windows.Forms.DockStyle.Fill;
			this.pnlTreeview.Location = new System.Drawing.Point(0, 75);
			this.pnlTreeview.Name = "pnlTreeview";
			this.pnlTreeview.Size = new System.Drawing.Size(520, 322);
			this.pnlTreeview.TabIndex = 2;
			// 
			// contextMenu1
			// 
			this.contextMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.menuItem10});
			// 
			// menuItem10
			// 
			this.menuItem10.Index = 0;
			this.menuItem10.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					   this.menuItem20,
																					   this.menuItem11,
																					   this.menuItem12,
																					   this.menuItem13,
																					   this.menuItem14,
																					   this.menuItem15,
																					   this.menuItem16,
																					   this.menuItem17,
																					   this.menuItem18,
																					   this.menuItem19});
			this.menuItem10.Text = "&Voir";
			// 
			// menuItem20
			// 
			this.menuItem20.Checked = true;
			this.menuItem20.Index = 0;
			this.menuItem20.Text = "Colonne 0";
			this.menuItem20.Click += new System.EventHandler(this.ColonneClick);
			// 
			// menuItem11
			// 
			this.menuItem11.Checked = true;
			this.menuItem11.Index = 1;
			this.menuItem11.Text = "Colonne 1";
			this.menuItem11.Click += new System.EventHandler(this.ColonneClick);
			// 
			// menuItem12
			// 
			this.menuItem12.Checked = true;
			this.menuItem12.Index = 2;
			this.menuItem12.Text = "Colonne 2";
			this.menuItem12.Click += new System.EventHandler(this.ColonneClick);
			// 
			// menuItem13
			// 
			this.menuItem13.Checked = true;
			this.menuItem13.Index = 3;
			this.menuItem13.Text = "Colonne 3";
			this.menuItem13.Click += new System.EventHandler(this.ColonneClick);
			// 
			// menuItem14
			// 
			this.menuItem14.Checked = true;
			this.menuItem14.Index = 4;
			this.menuItem14.Text = "Colonne 4";
			this.menuItem14.Click += new System.EventHandler(this.ColonneClick);
			// 
			// menuItem15
			// 
			this.menuItem15.Checked = true;
			this.menuItem15.Index = 5;
			this.menuItem15.Text = "Colonne 5";
			this.menuItem15.Click += new System.EventHandler(this.ColonneClick);
			// 
			// menuItem16
			// 
			this.menuItem16.Checked = true;
			this.menuItem16.Index = 6;
			this.menuItem16.Text = "Colonne 6";
			this.menuItem16.Click += new System.EventHandler(this.ColonneClick);
			// 
			// menuItem17
			// 
			this.menuItem17.Checked = true;
			this.menuItem17.Index = 7;
			this.menuItem17.Text = "Colonne 7";
			this.menuItem17.Click += new System.EventHandler(this.ColonneClick);
			// 
			// menuItem18
			// 
			this.menuItem18.Checked = true;
			this.menuItem18.Index = 8;
			this.menuItem18.Text = "Colonne 8";
			this.menuItem18.Click += new System.EventHandler(this.ColonneClick);
			// 
			// menuItem19
			// 
			this.menuItem19.Checked = true;
			this.menuItem19.Index = 9;
			this.menuItem19.Text = "Colonne 9";
			this.menuItem19.Click += new System.EventHandler(this.ColonneClick);
			// 
			// DemoTreeView
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.BackColor = System.Drawing.SystemColors.Control;
			this.ClientSize = new System.Drawing.Size(520, 397);
			this.Controls.Add(this.pnlTreeview);
			this.Controls.Add(this.splitter1);
			this.Controls.Add(this.panel1);
			this.Name = "DemoTreeView";
			this.Text = "DemoTreeView";
			this.Load += new System.EventHandler(this.DemoTreeView_Load);
			this.panel1.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		private void DemoTreeView_Load(object sender, EventArgs e)
		{
			
			FTree = new GeniusTreeView();
			FTree.KeyDown +=new KeyEventHandler(FTree_KeyDown);
			FTree.AllowDrop = true;
			FTree.ContextMenu = this.contextMenu1;
			FTree.Dock = DockStyle.Fill;
			this.pnlTreeview.Controls.Add(FTree);
			FTree.BeginUpdate();
			try
			{
				FTree.OnBeginCheck +=new OnCheckDelegate(FTree_OnBeginCheck);
				FTree.OnBeginCollapse +=new OnCollapseDelegate(FTree_OnBeginCollapse);
				FTree.OnBeginExpand +=new OnExpandDelegate(FTree_OnBeginExpand);
				FTree.OnBeginUnCheck +=new OnUnCheckDelegate(FTree_OnBeginUnCheck);
				FTree.OnCanEdit +=new OnCanEditDelegate(FTree_OnCanEdit);
				FTree.OnGetNodeText +=new OnGetNodeTextDelegate(FTree_OnGetNodeText);
				for(int i = 0; i < 10; i++)
				{
					INode n = FTree.Add(null, new DataNode(i));
					if (i % 2 == 0)
						n.State |= NodeState.HasCheck;
					n.Text = "Node " + i.ToString();
					for(int j = 0; j < 10; j++)
					{
						INode n1 = FTree.Add(n, new DataNode(j));
						if (j % 2 == 0)
							n1.State |= NodeState.HasCheck;
						n1.Text = "Node " + i.ToString() + j.ToString();
						if (i== 2 && j == 2)
							n1.State |= NodeState.Signaled;
						if (j == 9)
							FTree.SetVisibleNode(n1, false);
							//n1.State &= ~NodeState.Visible;
					}
					GeniusTreeViewColonne col = FTree.Header.Add();
					col.Titre = "Colonne : " + i.ToString();
					if (i == 0)
					{
						col.BackColor = new GeniusLinearGradientBrush(Color.FromArgb(247,247,247));						
					}
					else if (i % 2 == 0)
						col.BackColor = new GeniusLinearGradientBrush(Color.White, Color.LightBlue, 90);
					else
						col.BackColor = new GeniusLinearGradientBrush(Color.Beige);
				}
			}
			finally
			{
				FTree.EndUpdate();
			}
		}

		private void cbShowHeader_CheckedChanged(object sender, EventArgs e)
		{
			FTree.ShowHeader = cbShowHeader.Checked;
		}

		private void cbShowTreeLines_CheckedChanged(object sender, EventArgs e)
		{
			if (cbShowTreeLines.Checked)
				FTree.PaintOptions |= PaintOptionsEnum.ShowTreeLines;
			else
				FTree.PaintOptions &= (~PaintOptionsEnum.ShowTreeLines);
		}

		private void cbGridLine_CheckedChanged(object sender, EventArgs e)
		{
			if (cbHGridLine.Checked)
				FTree.PaintOptions |= (PaintOptionsEnum.ShowHorzGridLines);
			else
				FTree.PaintOptions &= ~(PaintOptionsEnum.ShowHorzGridLines);
		}

		private void cbuseColumns_CheckedChanged(object sender, EventArgs e)
		{
			FTree.UseColumns = cbuseColumns.Checked;
		}

		private void ColonneClick(object sender, EventArgs e)
		{
			string aText = (sender as MenuItem).Text;
			(sender as MenuItem).Checked = !(sender as MenuItem).Checked;
			aText = aText.Substring(8);
			int aIndex = int.Parse(aText);
			FTree.Header[aIndex].Visible = (sender as MenuItem).Checked;
		}

		private void FTree_OnBeginCheck(GeniusTreeView Sender, CheckEventArgs e)
		{
			e.CanCheck = cbCanCheck.Checked;
		}

		private void FTree_OnBeginCollapse(GeniusTreeView Sender, CollapseEventArgs e)
		{

		}

		private void FTree_OnBeginExpand(GeniusTreeView Sender, ExpandEventArgs e)
		{

		}

		private void FTree_OnBeginUnCheck(GeniusTreeView Sender, UnCheckEventArgs e)
		{
			e.CanUnCheck = cbCanUncheck.Checked;
		}

		private void FTree_OnCanEdit(GeniusTreeView Sender, CanEditEventArgs e)
		{
			e.CanEdit = cbCanEdit.Checked;
		}

		private void label1_DragEnter(object sender, System.Windows.Forms.DragEventArgs e)
		{

			e.Effect = DragDropEffects.Copy;
			Debug.WriteLine("label1_drageenter = " + e.Effect.ToString() + ":" + e.AllowedEffect.ToString());
		}

		private void label1_DragOver(object sender, System.Windows.Forms.DragEventArgs e)
		{
			e.Effect = DragDropEffects.Copy;
		}

		private void label1_GiveFeedback(object sender, System.Windows.Forms.GiveFeedbackEventArgs e)
		{
			Debug.WriteLine("label1_givefeedback = " + e.Effect.ToString());
			//e.Effect = DragDropEffects.Link;
		}

		private void label1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			label1.DoDragDrop(label1, DragDropEffects.All);
		}

		private void FTree_KeyDown(object sender, KeyEventArgs e)
		{
			if (e.KeyCode == Keys.Delete)
			{
				FTree.Delete(FTree.SelectedNode);
			}
		}

		private void FTree_OnGetNodeText(GeniusTreeView Sender, NodeTextEventArgs e)
		{
			if (e.ColIndex == 1)
			{
				e.Text = ((DataNode)e.Node.Data).Index.ToString();
			}
		}

		private void cbVGridLine_CheckedChanged(object sender, System.EventArgs e)
		{
			if (cbVGridLine.Checked)
				FTree.PaintOptions |= (PaintOptionsEnum.ShowVertGridLines);
			else
				FTree.PaintOptions &= ~(PaintOptionsEnum.ShowVertGridLines);
		}
	}
	class DataNode
	{
		public int Index;
		public DataNode(int n)
		{
			Index = n;
		}
	}
}