ResourceSpawner.hh

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/*
 * Copyright (C) 2020 Open Source Robotics Foundation
 *
 * 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 IGNITION_GAZEBO_GUI_RESOURCE_SPAWNER_HH_
#define IGNITION_GAZEBO_GUI_RESOURCE_SPAWNER_HH_

#include <memory>
#include <string>
#include <vector>

#include <ignition/gui/Plugin.hh>

namespace ignition
{
namespace gazebo
{
  class ResourceSpawnerPrivate;

  struct Resource
  {
    std::string name = "";

    std::string owner = "";

    std::string sdfPath = "";

    std::string thumbnailPath = "";

    // cppcheck-suppress unusedStructMember
    bool isFuel = false;

    // cppcheck-suppress unusedStructMember
    bool isDownloaded = false;
  };

  struct Display
  {
    std::string searchKeyword = "";

    std::string sortMethod = "";

    std::string ownerPath = "";

    bool isFuel = false;
  };

  class PathModel : public QStandardItemModel
  {
    Q_OBJECT

    public: explicit PathModel();

    public: ~PathModel() override = default;

    public slots: void AddPath(const std::string &_path);

    // Documentation inherited
    public: QHash<int, QByteArray> roleNames() const override;
  };

  class ResourceModel : public QStandardItemModel
  {
    Q_OBJECT

    public: explicit ResourceModel();

    public: ~ResourceModel() override = default;

    public: void AddResource(Resource &_resource);

    public: void AddResources(std::vector<Resource> &_resources);

    public: void Clear();

    public: void UpdateResourceModel(int index, Resource &_resource);

    // Documentation inherited
    public: QHash<int, QByteArray> roleNames() const override;

    // \brief Index to keep track of the position of each resource in the qml
    // grid, used primarily to access currently loaded resources for updates.
    public: int gridIndex = 0;
  };

  class ResourceSpawner : public ignition::gui::Plugin
  {
    Q_OBJECT

    public: ResourceSpawner();

    public: ~ResourceSpawner() override;

    // Documentation inherited
    public: void LoadConfig(const tinyxml2::XMLElement *_pluginElem) override;

    public slots: void OnResourceSpawn(const QString &_sdfPath);

    public: Resource LocalResource(const std::string &_path);

    public: void AddPath(const std::string &_path);

    public: std::vector<Resource> LocalResources(const std::string &_path);

    public: std::vector<Resource> FuelResources(const std::string &_owner);

    public: void Resources(std::vector<Resource> &_resources);

    public: void FilterResources(std::vector<Resource> &_resources);

    public: void SortResources(std::vector<Resource> &_resources);

    public slots: void DisplayResources();

    public slots: void OnPathClicked(const QString &_path);

    public slots: void OnOwnerClicked(const QString &_owner);

    public slots: void OnDownloadFuelResource(const QString &_path,
        const QString &_name, const QString &_owner, int index);

    public slots: void OnSortChosen(const QString &_sortType);

    public slots: void OnSearchEntered(const QString &_searchKeyword);

    public: void SetThumbnail(const std::string &_thumbnailPath,
                Resource &_resource);

    private: std::unique_ptr<ResourceSpawnerPrivate> dataPtr;
  };
}
}

#endif