otbWrapperListViewParameter.h

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/*
 * Copyright (C) 2005-2022 Centre National d'Etudes Spatiales (CNES)
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * 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.
 */
 
#ifndef otbWrapperListViewParameter_h
#define otbWrapperListViewParameter_h
 
#include "otbWrapperParameterGroup.h"
#include <string>
 
namespace otb
{
namespace Wrapper
{
 
class OTBApplicationEngine_EXPORT ListViewParameter : public Parameter
{
public:
  typedef ListViewParameter             Self;
  typedef Parameter                     Superclass;
  typedef itk::SmartPointer<Self>       Pointer;
  typedef itk::SmartPointer<const Self> ConstPointer;
 
  itkNewMacro(Self);
 
  itkTypeMacro(ListViewParameter, Parameter);
 
  itkSetMacro(SingleSelection, bool);
  itkGetMacro(SingleSelection, bool);
  itkBooleanMacro(SingleSelection);
 
  void AddChoice(std::string choicekey, std::string choiceName);
 
  std::string GetChoiceKey(int i) const;
 
  std::vector<std::string> GetChoiceKeys();
 
  std::string GetChoiceName(int i);
 
  std::vector<std::string> GetChoiceNames();
 
  unsigned int GetNbChoices(void);
 
  virtual void SetValue(unsigned int v);
 
  virtual void SetValue(std::string choiceKey);
 
  virtual unsigned int GetValue() const;
 
  bool HasValue() const override
  {
    // a choice parameter always has a value
    return true;
  }
 
  void ClearValue() override
  {
    // nothing to do : a choice parameter always has a value
  }
 
  void ClearChoices();
 
  std::vector<int> GetSelectedItems()
  {
    return m_SelectedItems;
  }
 
  void SetSelectedNames(std::vector<std::string> selectedNames);
 
  std::vector<std::string> GetSelectedNames() const
  {
    return m_SelectedNames;
  }
 
 
  void SetSelectedKeys(std::vector<std::string> selectedKeys);
 
  std::vector<std::string> GetSelectedKeys()
  {
    return m_SelectedKeys;
  }
 
  void SetSelectedItemsByKeys()
  {
  }
 
  void SetSelectedItemsByNames()
  {
  }
 
  void SetSelectedItems(std::vector<std::string> selectedItems)
  {
    std::vector<int> items;
    for (unsigned int i = 0; i < selectedItems.size(); i++)
    {
      items.push_back(atoi(selectedItems[i].c_str()));
    }
    this->SetSelectedItems(items);
  }
 
  void SetSelectedItems(std::vector<int> selectedItems)
  {
    m_SelectedItems = selectedItems;
    m_SelectedNames.clear();
    m_SelectedKeys.clear();
    // update selected names and keys
    std::vector<std::string> names = this->GetChoiceNames();
    std::vector<std::string> keys  = this->GetChoiceKeys();
    for (unsigned int i = 0; i < m_SelectedItems.size(); i++)
    {
      m_SelectedNames.push_back(names[m_SelectedItems[i]]);
      m_SelectedKeys.push_back(keys[m_SelectedItems[i]]);
    }
  }
 
  ParameterType GetType() const override
  {
    return ParameterType_ListView;
  }
 
  std::string ToString() const override
  {
    std::string choiceKey    = GetChoiceKey(GetValue());
    size_t      lastPointPos = choiceKey.find_last_of('.');
 
    if (lastPointPos != std::string::npos)
    {
      return choiceKey.substr(lastPointPos);
    }
    return choiceKey;
  }
 
  void FromString(const std::string& value) override
  {
    SetSelectedNames({value});
  }
 
  std::vector<std::string> ToStringList() const override
  {
    return GetSelectedNames();
  }
 
  void FromStringList(const std::vector<std::string>& values) override
  {
    SetSelectedNames(values);
  }
 
protected:
  ListViewParameter();
 
  ~ListViewParameter() override;
 
  struct ListViewChoice
  {
    ListViewChoice()
    {
    }
 
    std::string m_Key;
    std::string m_Name;
  };
 
  typedef std::vector<ListViewChoice> ChoiceList;
  ChoiceList                          m_ChoiceList;
  unsigned int                        m_CurrentChoice;
  std::vector<int>                    m_SelectedItems;
  std::vector<std::string>            m_SelectedKeys;
  std::vector<std::string>            m_SelectedNames;
  bool                                m_SingleSelection;
 
private:
  ListViewParameter(const ListViewParameter&) = delete;
  void operator=(const ListViewParameter&) = delete;
 
}; // End class Parameter
 
} // End namespace Wrapper
} // End namespace otb
 
#endif