DVRViewPlugin.h

#pragma once

#include <ViewPlugin.h>
#include <Dataset.h>

#include <actions/PluginStatusBarAction.h>
#include <widgets/DropWidget.h>
#include <PointData/PointData.h>
#include <ImageData/ImageData.h>
#include <ImageData/Images.h>

#include "SettingsAction.h"

#include <QWidget>
#include <DVRVolumeData/Volumes.h>

/** All plugin related classes are in the ManiVault plugin namespace */
using namespace mv::plugin;

/** Drop widget used in this plugin is located in the ManiVault gui namespace */
using namespace mv::gui;

/** Dataset reference used in this plugin is located in the ManiVault util namespace */
using namespace mv::util;

class DVRWidget;

/**
 * DVR view plugin class
 */
class DVRViewPlugin : public ViewPlugin
{
    Q_OBJECT

public:

    /**
     * Constructor
     * @param factory Pointer to the plugin factory
     */
    DVRViewPlugin(const PluginFactory* factory);

    /** Destructor */
    ~DVRViewPlugin() override = default;
    
    /** This function is called by the core after the view plugin has been created */
    void init() override;

    /** Store a private reference to the data set that should be displayed */
    void loadData(const mv::Dataset<Points>& datasets);
    void loadTfData(const mv::Dataset<Images>& datasets);
    void loadReducedPosData(const mv::Dataset<Points>& datasets);
    void loadMaterialTransitionData(const mv::Dataset<Images>& datasets);
    void loadMaterialPositionsData(const mv::Dataset<Images>& datasets);


    void updateShowDropIndicator();

    /**  Updates the render settings */
    void updateRenderSettings();

    void updateVolumeData();
    void updateTfData();
    void updateReducedPosData();
    void updateMaterialTransitionData();
    void updateMaterialPositionsData();

private:
    /** We create and publish some data in order to provide a self-contained DVR project */
    std::vector<std::uint32_t> generateSequence(int n);

    QString getVolumeDataSetID() const;
    QString getTfDatasetID() const;
    QString getReducedPosDataSetID() const;
    QString getMaterialTransitionDataSetID() const;
    QString getMaterialPositionsDataSetID() const;

protected:
    DropWidget*                 _dropWidget;                /** Widget for drag and drop behavior */
    DVRWidget*                  _DVRWidget;                 /** The OpenGL widget */
    SettingsAction              _settingsAction;            /** Settings action */
    mv::Dataset<Volumes>        _volumeDataset;             /** Volume containing the multivariate dataset */
    mv::Dataset<Images>         _tfTexture;                 /** Texture containing the color transfer function data */
    mv::Dataset<Images>         _materialTransitionTexture; /** Texture containing material transition data */
    mv::Dataset<Images>         _materialPositionTexture;   /** Texture containing material position data */
    mv::Dataset<Points>         _reducedPosDataset;         /** Dataset containing the dimensionality reduced locations of all the points in the volume */
    std::vector<unsigned int>   _currentDimensions;         /** Stores which dimensions of the current data are shown */
};

/**
 * DVR view plugin factory class
 *
 * Note: Factory does not need to be altered (merely responsible for generating new plugins when requested)
 */
class DVRViewPluginFactory : public ViewPluginFactory
{
    Q_INTERFACES(mv::plugin::ViewPluginFactory mv::plugin::PluginFactory)
    Q_OBJECT
    Q_PLUGIN_METADATA(IID   "studio.manivault.DVRViewPlugin"
                      FILE  "PluginInfo.json")

public:

    /** Default constructor */
    DVRViewPluginFactory();

    /** Perform post-construction initialization */
    void initialize() override;

    /** Creates an instance of the DVR view plugin */
    ViewPlugin* produce() override;

    /** Returns the data types that are supported by the DVR view plugin */
    mv::DataTypes supportedDataTypes() const override;

    /**
     * Get plugin trigger actions given \p datasets
     * @param datasets Vector of input datasets
     * @return Vector of plugin trigger actions
     */
    PluginTriggerActions getPluginTriggerActions(const mv::Datasets& datasets) const override;

private:
    PluginStatusBarAction*  _statusBarAction;               /** For global action in a status bar */
    HorizontalGroupAction   _statusBarPopupGroupAction;     /** Popup group action for status bar action */
    StringAction            _statusBarPopupAction;          /** Popup action for the status bar */
};