actions/effect/SimulateColorBlind.ts

import {Action} from "../../internal/Action.js";
import {Qualifier} from "../../internal/qualifier/Qualifier.js";
import {SimulateColorBlindType} from "../../types/types.js";
import {ISimulateColorBlindEffectModel} from "../../internal/models/IEffectActionModel.js";
import {IActionModel} from "../../internal/models/IActionModel.js";

/**
 * @description Simulates the way an image would appear to someone with the specified color blind condition
 * @extends SDK.Action
 * @memberOf Actions.Effect
 * @see Visit {@link Actions.Effect|Effect} for an example
 */
class SimulateColorBlindEffectAction extends Action {
  protected _actionModel: ISimulateColorBlindEffectModel = {};
  constructor() {
    super();
    this._actionModel.actionType = 'simulateColorblind';
    this.addQualifier(new Qualifier('e', `simulate_colorblind`));
  }

  private setQualifier(val? : string) {
    const strToAppend = `:${val}`;
    if (val) {
      this.addQualifier(new Qualifier('e', `simulate_colorblind${strToAppend}`));
    }
    return this;
  }

  /**
   * @description Sets the color blind condition to simulate.
   * @param {Qualifiers.simulateColorBlindValues | SimulateColorBlindType | string} cond
   * @return {this}
   */
  condition(cond: SimulateColorBlindType | string): this {
    this._actionModel.condition = cond;
    return this.setQualifier(cond);
  }

  static fromJson(actionModel: IActionModel): SimulateColorBlindEffectAction {
    const {actionType, condition} = (actionModel as ISimulateColorBlindEffectModel);

    // We are using this() to allow inheriting classes to use super.fromJson.apply(this, [actionModel])
    // This allows the inheriting classes to determine the class to be created
    const result = new this();
    condition && result.condition(condition);

    return result;
  }
}



export {SimulateColorBlindEffectAction};