Source/AdvTree/Layout/NodeLayout.cs

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using System;
using System.Drawing;
using System.Collections;
using DevComponents.DotNetBar;
using System.Drawing.Drawing2D;
using System.Drawing.Text;

namespace DevComponents.AdvTree.Layout
{
	/// <summary>
	/// Summary description for NodeLayout.
	/// </summary>
	internal abstract class NodeLayout
	{
		#region Private Variables
		protected int m_Height=0;
		protected int m_Width=0;
		protected AdvTree m_Tree=null;
		protected Rectangle m_ClientArea;
		//protected int m_ExpandAreaWidth=8;
		protected Size m_ExpandPartSize=new Size(8,8);
		private int m_CommandAreaWidth=10;
		private int m_TreeLayoutChildNodeIndent = 16;

		private System.Windows.Forms.LeftRightAlignment m_LeftRight=System.Windows.Forms.LeftRightAlignment.Left;
		private int m_NodeVerticalSpacing=3;
		private int m_NodeHorizontalSpacing=0;
		private CellLayout m_CellLayout=null;
		private Graphics m_Graphics=null;
		#endregion

		public NodeLayout(AdvTree treeControl, Rectangle clientArea)
		{
			m_Tree=treeControl;
			m_ClientArea=clientArea;
		}

		/// <summary>
		/// Performs layout of the nodes inside of the tree control.
		/// </summary>
		public virtual void PerformLayout()
		{
		}

        public virtual void UpdateTopLevelColumnsWidth()
        {
        }

		/// <summary>
		/// Performs layout for single unassigned node. Node does not have to be part of the tree control.
		/// </summary>
		/// <param name="node">Node to perform layout on.</param>
		public virtual void PerformSingleNodeLayout(Node node)
		{
			if(node==null)
				return;

			this.PrepareStyles();
			// Get default Columns