dmn-js-shared/lib/features/modeling/behavior/NameChangeBehavior.js

Shared components used by dmn-js

import CommandInterceptor from 'diagram-js/lib/command/CommandInterceptor';
import { getBusinessObject, is } from 'dmn-js-shared/lib/util/ModelUtil';
export default class NameChangeBehavior extends CommandInterceptor {
  static $inject = ['eventBus', 'modeling'];
  constructor(eventBus, modeling) {
    super(eventBus);
    this._modeling = modeling;
    this.postExecuted('element.updateProperties', this.updateVariableFromElement);
    this.postExecuted('element.updateLabel', this.updateVariableFromLabel);
  }
  updateVariableFromLabel = ({
    context
  }) => {
    const {
      element,
      newLabel
    } = context;
    const bo = getBusinessObject(element),
      variable = bo.variable;
    if (!variable) {
      return;
    }
    this._modeling.updateProperties(variable, {
      name: newLabel
    });
  };
  updateVariableFromElement = ({
    context
  }) => {
    const {
      element,
      properties
    } = context;
    const bo = getBusinessObject(element);
    if (!bo.variable) {
      return;
    }
    if (!(is(element, 'dmn:Decision') || is(element, 'dmn:BusinessKnowledgeModel'))) {
      return;
    }
    if (!this.isNameChanged(properties)) {
      return;
    }
    if (this.isVariable(element)) {
      return;
    } else if (!this.shouldSyncVariable(element)) {
      this.syncElementVariableChange(bo);
    }
  };
  isNameChanged(properties) {
    return 'name' in properties;
  }
  isVariable(element) {
    const parent = getParent(element);
    return is(element, 'dmn:InformationItem') && parent && parent.get('variable') === element;
  }
  shouldSyncVariable(element) {
    const bo = getBusinessObject(element),
      variable = bo.get('variable');
    return variable && bo.name === variable.name;
  }
  syncElementVariableChange(businessObject) {
    const name = businessObject.get('name');
    const variable = businessObject.variable;
    this._modeling.updateProperties(variable, {
      name
    });
  }
}

// helpers //////////////////////

function getParent(element) {
  return element.$parent;
}
//# sourceMappingURL=NameChangeBehavior.js.map