dmn-js-decision-table/lib/features/modeling/behavior/IdClaimBehavior.js

A decision table view for dmn-js

import CommandInterceptor from 'diagram-js/lib/command/CommandInterceptor';
import { isArray } from 'min-dash';
export default class IdClaimBehavior extends CommandInterceptor {
  constructor(eventBus, moddle, modeling) {
    super(eventBus);
    this._ids = moddle.ids;
    this._modeling = modeling;
    this.preExecute(['row.add', 'col.add'], event => {
      const context = event.context,
        element = context.row || context.col;
      this.claimId(element.businessObject);
      if (element.cells) {
        element.cells.forEach(cell => this.claimId(cell.businessObject));
      }
    });
  }
  claimId(businessObject) {
    if (businessObject.id && !this._ids.assigned(businessObject.id)) {
      this._modeling.claimId(businessObject.id, businessObject);
    }
    businessObject.$descriptor.properties.forEach(property => {
      const value = businessObject[property.name];

      // not set
      if (!value) {
        return;
      }

      // array of moddle elements
      if (isArray(value)) {
        value.forEach(v => this.claimId(v));
      }

      // moddle element
      if (value.$type) {
        this.claimId(value);
      }
    });
  }
}
IdClaimBehavior.$inject = ['eventBus', 'moddle', 'modeling'];
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