SwitchViewContainer.h

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/*
 * Copyright (c) 2019 pongasoft
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 *
 * @author Yan Pujante
 */
#pragma once

#include <pongasoft/VST/GUI/Views/CustomView.h>

namespace pongasoft::VST::GUI::Views {

class SwitchViewContainer : public CustomViewAdapter<CViewContainer>, ViewContainerListenerAdapter
{
public:
  // Lifecycle
  explicit SwitchViewContainer(const CRect &iSize);
  ~SwitchViewContainer() override;

  virtual void setSwitchControlTag (ParamID iTag) { fSwitchControlTag = iTag; };

  ParamID getSwitchControlTag () const { return fSwitchControlTag; }

  const std::vector<std::string> &getTemplateNames() const { return fTemplateNames; }
  void setTemplateNames(const std::vector<std::string> &iNames) { fTemplateNames = iNames; switchCurrentView(); }

  // registerParameters
  void registerParameters() override;

  // afterCreate
  virtual void afterCreate(IUIDescription const *iDescription, IController *iController);

  // onParameterChange
  void onParameterChange(ParamID iParamID) override;

protected:
  void viewContainerViewAdded(CViewContainer *container, CView *view) override;

  virtual void switchCurrentView();

  virtual void setCurrentView(CView *iCurrentView);

  virtual std::string computeTemplateName(int iIndex);

protected:
  IUIDescription const *fUIDescription{};
  IController *fUIController{};

  ParamID fSwitchControlTag{UNDEFINED_PARAM_ID};
  GUIOptionalParam<int32> fControlSwitch{};

  std::vector<std::string> fTemplateNames;

  CView *fCurrentView{};
  std::string fCurrentTemplateName{};

public:
  class Creator : public CustomViewCreator<SwitchViewContainer, CustomViewAdapter<CViewContainer>>
  {
  public:
    explicit Creator(char const *iViewName = nullptr, char const *iDisplayName = nullptr) :
      CustomViewCreator(iViewName, iDisplayName, VSTGUI::UIViewCreator::kCViewContainer)
    {
      registerTagAttribute("switch-control-tag", &SwitchViewContainer::getSwitchControlTag, &SwitchViewContainer::setSwitchControlTag);
      registerVectorStringAttribute("template-names", &SwitchViewContainer::getTemplateNames, &SwitchViewContainer::setTemplateNames);
    }
  };
};

template<>
SwitchViewContainer *createCustomView<SwitchViewContainer>(CRect const &iSize,
                                                           const UIAttributes &iAttributes,
                                                           const IUIDescription *iDescription);

}