DotNet 4.8.1 build of DotNetBar

PROMS/DotNetBar Source Code/TreeGX/Utilites.cs

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+using System;
+using System.ComponentModel.Design;
+using System.Drawing;
+
+namespace DevComponents.Tree
+{
+	/// <summary>
+	/// Represents class for static tree utilities.
+	/// </summary>
+	public class Utilites
+	{
+		/// <summary>
+		/// Initializes control with default settings for connectors and nodes.
+		/// </summary>
+		/// <param name="tree">Control to initialize.</param>
+		public static void InitializeTree(TreeGX tree)
+		{
+			InitializeTree(tree,new ComponentFactory());
+		}
+		
+		/// <summary>
+		/// Initializes control with default settings for connectors and nodes.
+		/// </summary>
+		/// <param name="tree">Control to initialize.</param>
+		/// <param name="factory">Factory to use to create new instances of objects.</param>
+		internal static void InitializeTree(TreeGX tree, ComponentFactory factory)
+		{
+			tree.RootConnector=factory.CreateComponent(typeof(NodeConnector)) as NodeConnector;
+			tree.RootConnector.LineWidth=5;
+			tree.RootConnector.LineColor=SystemColors.Highlight;
+			tree.NodesConnector=factory.CreateComponent(typeof(NodeConnector)) as NodeConnector;
+			tree.NodesConnector.LineWidth=5;
+			tree.NodesConnector.LineColor=SystemColors.Highlight;
+
+			eStyleBorderType border=eStyleBorderType.Solid;
+			ElementStyle style=factory.CreateComponent(typeof(ElementStyle)) as ElementStyle;
+			
+			style.BackColorSchemePart=eColorSchemePart.BarBackground;
+			style.BackColor2SchemePart=eColorSchemePart.BarBackground2;
+			style.BackColorGradientAngle=90;
+			style.CornerDiameter=4;
+			style.CornerType=eCornerType.Rounded;
+			style.BorderLeft=border;
+			style.BorderLeftWidth=1;
+			style.BorderTop=border;
+			style.BorderTopWidth=1;
+			style.BorderBottom=border;
+			style.BorderBottomWidth=1;
+			style.BorderRight=border;
+			style.BorderRightWidth=1;
+			style.BorderColorSchemePart=eColorSchemePart.BarDockedBorder;
+			style.PaddingBottom=3;
+			style.PaddingLeft=3;
+			style.PaddingRight=3;
+			style.PaddingTop=3;
+			style.TextColor=Color.FromArgb(0,0,128);
+			style.Font=tree.Font;
+			tree.Styles.Add(style);
+
+			tree.NodeStyle=style;
+		}
+		
+		/// <summary>
+		/// Creates new style and adds it to styles collection
+		/// </summary>
+		/// <param name="tree">Tree to assign style to</param>
+		/// <param name="factory">Style factory</param>
+		/// <param name="backColor"></param>
+		/// <param name="backColor2"></param>
+		/// <param name="gradientAngle"></param>
+		/// <param name="textColor"></param>
+		internal static ElementStyle CreateStyle(ComponentFactory factory, string description, Color borderColor, Color backColor, Color backColor2, int gradientAngle, Color textColor)
+		{
+			eStyleBorderType border=eStyleBorderType.Solid;
+			ElementStyle style=factory.CreateComponent(typeof(ElementStyle)) as ElementStyle;
+			
+			style.Description = description;
+			style.BackColor = backColor;
+			style.BackColor2=backColor2;
+			style.BackColorGradientAngle=gradientAngle;
+			style.CornerDiameter=4;
+			style.CornerType=eCornerType.Rounded;
+			style.BorderLeft=border;
+			style.BorderLeftWidth=1;
+			style.BorderTop=border;
+			style.BorderTopWidth=1;
+			style.BorderBottom=border;
+			style.BorderBottomWidth=1;
+			style.BorderRight=border;
+			style.BorderRightWidth=1;
+			style.BorderColor=borderColor;
+			style.PaddingBottom=3;
+			style.PaddingLeft=3;
+			style.PaddingRight=3;
+			style.PaddingTop=3;
+			style.TextColor=textColor;
+			
+			return style;
+		}
+
+		/// <summary>
+		/// Returns reference to a node that is hosting given control.
+		/// </summary>
+		/// <param name="tree">Reference to the TreeGX control instance</param>
+		/// <param name="c">Control instance to look for</param>
+		/// <returns>Reference to a node hosting control or null if node could not be found</returns>
+		public static Node FindNodeForControl(TreeGX tree, System.Windows.Forms.Control c)
+		{
+			if(tree==null || c==null || tree.Nodes.Count==0)
+				return null;
+			
+			Node node = tree.Nodes[0];
+			while(node!=null)
+			{
+				foreach(Cell cell in node.Cells)
+				{
+					if(cell.HostedControl==c)
+						return node;
+				}
+				node = node.NextVisibleNode;
+			}
+			
+			return null;
+		}
+	}
+	
+	#region ComponentFactory
+	/// <summary>
+	/// Represents internal component factory with design-time support.
+	/// </summary>
+	internal class ComponentFactory
+	{
+		private IDesignerHost m_Designer=null; 
+		/// <summary>
+		/// Creates new instace of the class.
+		/// </summary>
+		/// <param name="designer">Reference to DesignerHost to use for creation of new components.</param>
+		public ComponentFactory(IDesignerHost designer)
+		{
+			m_Designer=designer;
+		}
+
+		/// <summary>
+		/// Creates new instace of the class.
+		/// </summary>
+		public ComponentFactory() {}
+
+		/// <summary>
+		/// Creates component and returns reference to the new instace.
+		/// </summary>
+		/// <param name="type">Type that identifies component to create.</param>
+		/// <returns>New instace of the component.</returns>
+		public object CreateComponent(Type type)
+		{
+			object o=null;
+			if(m_Designer!=null)
+				o=m_Designer.CreateComponent(type);
+			else
+				o=type.Assembly.CreateInstance(type.FullName);
+			return o;
+		}
+	}
+	#endregion
+}