■ DiagramControl 클래스를 사용해 파생 도형을 생성하고 직렬화하는 방법을 보여준다.
▶ CustomDiagramShape.cs
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using DevExpress.Utils.Serializing; using DevExpress.XtraDiagram; namespace TestProject { /// <summary> /// 커스텀 다이어그램 도형 /// </summary> public class CustomDiagramShape : DiagramShape { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 데이터베이스 객체 ID - DatabaseObjectID /// <summary> /// 데이터베이스 객체 ID /// </summary> [XtraSerializableProperty] public int DatabaseObjectID { get; set; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Static #region 생성자 - CustomDiagramShape() /// <summary> /// 생성자 /// </summary> static CustomDiagramShape() { DiagramControl.ItemTypeRegistrator.Register(typeof(CustomDiagramShape)); } #endregion } } |
▶ DataObject.cs
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namespace TestProject { /// <summary> /// 데이터 객체 /// </summary> public class DataObject { //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region ID - ID /// <summary> /// ID /// </summary> public int ID { get; set; } #endregion #region 부모 ID - ParentID /// <summary> /// 부모 ID /// </summary> public int ParentID { get; set; } #endregion #region 컨텐트 - Content /// <summary> /// 컨텐트 /// </summary> public string Content { get; set; } #endregion } } |
▶ MainForm.cs
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using System; using System.Collections.Generic; using System.ComponentModel; using System.Drawing; using System.IO; using System.Linq; using DevExpress.Diagram.Core; using DevExpress.XtraEditors; using DevExpress.XtraDiagram; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : XtraForm { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 다이어그램 파일명 /// </summary> private const string DIAGRAM_FILE_NAME = "diagram.xml"; /// <summary> /// 데이터 객체 리스트 /// </summary> private List<DataObject> dataObjectList = new List<DataObject>(); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); DiagramStencil stencil = new DiagramStencil("CustomStencil", "Custom Shapes"); FactoryItemTool itemTool = new FactoryItemTool ( "CustomShape", () => "Custom Shape", diagram => { CustomDiagramShape customShape = new CustomDiagramShape() { Width = 100, Height = 50 }; return customShape; }, new System.Windows.Size(100, 50), false ); stencil.RegisterTool(itemTool); DiagramToolboxRegistrator.RegisterStencil(stencil); DiagramControl.ItemTypeRegistrator.Register(typeof(CustomDiagramShape)); this.dataObjectList.Add(new DataObject { ID = 1, ParentID = 0, Content = "Node 1" }); this.dataObjectList.Add(new DataObject { ID = 0, Content = "Start" }); this.dataObjectList.Add(new DataObject { ID = 2, ParentID = 1, Content = "Node 1_1" }); this.dataObjectList.Add(new DataObject { ID = 3, ParentID = 0, Content = "Node 2" }); this.dataObjectList.Add(new DataObject { ID = 4, ParentID = 3, Content = "Node 2_1" }); this.diagramControl.CustomGetEditableItemProperties += diagramControl_CustomGetEditableItemProperties; this.diagramControl.ShowingEditor += diagramControl_ShowingEditor; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 로드시 처리하기 - OnLoad(e) /// <summary> /// 로드시 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnLoad(EventArgs e) { base.OnLoad(e); if(!File.Exists(DIAGRAM_FILE_NAME)) { CreateDiagram(); } else { LoadDiagram(); } } #endregion #region 닫을 경우 처리하기 - OnClosing(e) /// <summary> /// 닫을 경우 처리하기 /// </summary> /// <param name="e">이벤트 인자</param> protected override void OnClosing(CancelEventArgs e) { base.OnClosing(e); this.diagramControl.SaveDocument(DIAGRAM_FILE_NAME); } #endregion ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 다이어그램 컨트롤 편집 가능한 항목 속성 커스텀 구하기 - diagramControl_CustomGetEditableItemProperties(sender, e) /// <summary> /// 다이어그램 컨트롤 편집 가능한 항목 속성 커스텀 구하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void diagramControl_CustomGetEditableItemProperties(object sender, DiagramCustomGetEditableItemPropertiesEventArgs e) { if(e.Item is CustomDiagramShape) { e.Properties.Add(TypeDescriptor.GetProperties(typeof(CustomDiagramShape))["DatabaseObjectID"]); } } #endregion #region 다이어그램 컨트롤 에디터 표시시 처리하기 - diagramControl_ShowingEditor(sender, e) /// <summary> /// 다이어그램 컨트롤 에디터 표시시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void diagramControl_ShowingEditor(object sender, DiagramShowingEditorEventArgs e) { e.Cancel = true; } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 다이어그램 생성하기 - CreateDiagram() /// <summary> /// 다이어그램 생성하기 /// </summary> private void CreateDiagram() { foreach(DataObject dataObject in this.dataObjectList) { CustomDiagramShape shape = new CustomDiagramShape { Shape = BasicShapes.Rectangle, Size = new Size(150, 100), DatabaseObjectID = dataObject.ID, Content = dataObject.Content }; this.diagramControl.Items.Add(shape); if(dataObject.ParentID != dataObject.ID) { diagramControl.Items.Add ( new DiagramConnector { BeginItem = diagramControl.Items.First ( x => x is CustomDiagramShape && ((CustomDiagramShape)x).DatabaseObjectID == dataObject.ParentID ), EndItem = shape } ); } } this.diagramControl.ApplyTreeLayout(Direction.Right); } #endregion #region 다이어그램 로드하기 - LoadDiagram() /// <summary> /// 다이어그램 로드하기 /// </summary> private void LoadDiagram() { try { this.diagramControl.LoadDocument(DIAGRAM_FILE_NAME); foreach(DiagramItem item in diagramControl.Items) { CustomDiagramShape shape = item as CustomDiagramShape; DataObject dataObject; if(shape != null) { dataObject = this.dataObjectList.FirstOrDefault(x => x.ID == shape.DatabaseObjectID); shape.Content = (dataObject == null) ? null : dataObject.Content; } } } catch { CreateDiagram(); } } #endregion } } |
