Class HistoryManagerBuilder

Inheritance
System.Object
HistoryManagerBuilder
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Syncfusion.JavaScript.DataVisualization
Assembly: Syncfusion.EJ.dll
Syntax
public class HistoryManagerBuilder

Constructors

HistoryManagerBuilder(DiagramProperties)

Declaration
public HistoryManagerBuilder(DiagramProperties model)
Parameters
Type Name Description
DiagramProperties model

Fields

diagramModel

Declaration
public DiagramProperties diagramModel
Field Value
Type Description
DiagramProperties

Methods

Redo(String)

Gets or sets what should be happened while trying to revert a custom change

Declaration
public HistoryManagerBuilder Redo(string redo)
Parameters
Type Name Description
System.String redo
Returns
Type Description
HistoryManagerBuilder

null
Examples
@{Html.EJ().Diagram("Diagram").Height("600px").HistoryManager(h => h.Undo("customUndoRedo").Redo("customUndoRedo"));}
   <script>
       //Method to handle the custom action
       function customUndoRedo(args) {
       var diagram = $("#diagram").ejDiagram("instance");
       var node = args.object;
       var currentState = node.empInfo;
       //Resets the state
       node.empInfo = args.prevState;
       //Saves the previous state
       args.prevState = currentState;
   } 
   </script>

Undo(String)

Gets or sets what should be happened while trying to revert a custom change

Declaration
public HistoryManagerBuilder Undo(string undo)
Parameters
Type Name Description
System.String undo
Returns
Type Description
HistoryManagerBuilder

null
Examples
@{Html.EJ().Diagram("Diagram").Height("600px").HistoryManager(h => h.Undo("customUndoRedo").Redo("customUndoRedo"));}
   <script>
       //Method to handle the custom action
       function customUndoRedo(args) {
       var diagram = $("#diagram").ejDiagram("instance");
       var node = args.object;
       var currentState = node.empInfo;
       //Resets the state
       node.empInfo = args.prevState;
       //Saves the previous state
       args.prevState = currentState;
   } 
   </script>