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validation()

Description​

Validates cells of the swimlane by the direction and action type

Usage​

validation(
    cellIndex: number, 
    dir: string, // "up" | "down" | "left" | "right"
    action: string // "move" | "remove" | "add"
): boolean;

Parameters​

  • cellIndex - (required) the start index of a cell in a layout. The count of the index starts from 0
  • dir - (required) the direction of the action: "up" | "down" | "left" | "right"
  • action - (required) the type of the action: "move" | "remove" | "add"

Returns​

The method returns true if the cell is validated, otherwise false

Example​

// initialization of the diagram
const diagram = new dhx.Diagram("diagram_container", {
    // config options
});
diagram.data.parse(data);

// sets active swimlane
diagram.cellManager.setSwimlane("main");

// validates if the cell with index 0 can be moved down
diagram.cellManager.validation(0, "down", "move"); // -> true

Change log: Added in v4.0

Related articles: Configuring Swimlanes