enable.h

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#ifndef SENSESP_SRC_SENSESP_TRANSFORMS_ENABLE_H_
#define SENSESP_SRC_SENSESP_TRANSFORMS_ENABLE_H_
 
#include "sensesp/ui/config_item.h"
#include "sensesp/transforms/transform.h"
 
namespace sensesp {
 
template <typename T>
class Enable : public Transform<T, T> {
 public:
  Enable(bool enabled = true, String config_path = "")
      : Transform<T, T>(config_path) {
    this->enabled_ = enabled;
    this->load();
  }
  virtual void set(const T& input) override {
    if (enabled_) {
      this->emit(input);
    }
  }
  virtual bool to_json(JsonObject& doc) override {
    doc["enabled"] = enabled_;
    return true;
  }
  virtual bool from_json(const JsonObject& config) override {
    if (config["enabled"].is<bool>()) {
      enabled_ = config["enabled"];
    } else {
      return false;
    }
    return true;
  }
 
 private:
  bool enabled_;
};
 
template <typename U>
const String ConfigSchema(const Enable<U>& obj) {
  return R"({"type":"object","properties":{"enabled":{"type":"boolean","title":"Enable","description":"Enable or disable the transform output"}}})";
}
 
}  // namespace sensesp
 
#endif