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MapModule.h

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/*
 * MapModule.h
 *
 *  Created on: 26-aug-2009
 *      Author: dodijk
 */

#ifndef MAPMODULE_H_
#define MAPMODULE_H_

#include "OglGui/GroupBox.h"
#include "OglGui/WindowView2D.h"
#include "OglGui/ZoomPanControl.h"

#include "../TableDataStore.h"
#include "../TableDataView.h"

#include "Application/TagsLife/ViewListenerCircles.h"

namespace Impala {
namespace Application {
namespace MediaTable {

class MapModule : public VisualizationModule {

    typedef OglGui::WindowView2D                WindowView2D;
    typedef OglGui::ZoomPanControl              ZoomPanControl;

public:
        MapModule() : VisualizationModule("Map") {}

    void ButtonSelectionEvent(OglGui::Button *src, void *userData)
    {
                if(src->GetLabel() == "New " + GetName())
        {
                        StoreConfigWindowValues();
                        DoHandleNewWindow("Map", mConfigWindow);
                        delete mConfigWindow;
                        DoReleaseConfigWindow();
                }
        // RvB: Here was a BUG. Added else clause as otherwise
        // a reference to something that was deleted above would be passed on
        else
            VisualizationModule::ButtonSelectionEvent(src, userData);
    }

        void ViewSelected() {
                VisualizationModule::DrawConfigWindow();
                OglGui::GroupBox* grp = new OglGui::GroupBox(mConfigWindow, mConfigWindow->W()-2, 362, "");

                AddSelectorWithColumnsOfType(grp, "Latitude", mStringValues["View"],
                                TableDataSource::TYPE_FLAG_NUMBER, true);
                AddSelectorWithColumnsOfType(grp, "Longitude", mStringValues["View"],
                                TableDataSource::TYPE_FLAG_NUMBER, true);
                AddSelectorWithColumnsOfType(grp, "Magnitude", mStringValues["View"],
                                TableDataSource::TYPE_FLAG_NUMBER, true);
                (new OglGui::Button(grp, grp->W()-4, 26, "New "+GetName(), BEV_ETCHED))
                        ->SetButtonListener(this);

                grp->RepositionViewports();
                grp->ScaleChildren();
        }

        void NewWindow(OglGui::Window* mMapWnd)
    {
        OGLIMAGE* oglIm = TryReadPNG("world.png");
        WindowView2D* mGlobeMap =
            new WindowView2D(mMapWnd,0,92,mMapWnd->W(),mMapWnd->H()-92,oglIm);
        mGlobeMap->SetBorderType(1);
        mGlobeMap->SetScaleToWindow(false);
        mGlobeMap->ConnectTo(mMapWnd);

        // Turn the C-Based OGLVIEW2D into a C++ based View with listener
        OGLVIEW* oglView = mGlobeMap->GetOglView();
        new OglGui::View(oglView, &mViewListenerCircles);

        ZoomPanControl* mZoomPanControl =
            new ZoomPanControl(mMapWnd,0,0,400,90,mGlobeMap->GetOGLWND(),5,1);
                mZoomPanControl->PanWindow()->SetRoundness(0,0,0,0);
                mZoomPanControl->ConnectTo(mMapWnd,OglGui::TOBOTTOM|OglGui::TOLEFTRIGHT);

        // Turn the C-Based OGLVIEW2D into a C++ based View with listener
        OGLWND* oglWnd = mZoomPanControl->PanWindow()->GetOGLWND();
        oglView = (OGLVIEW*) oglWnd->objectList->info;
        new OglGui::View(oglView, &mViewListenerCircles);

                TableDataView* view =
            TableDataStore::GetInstance()->GetTableDataView(mStringValues["View"]);
        view->SetStartRow(0);
        view->SetNumberOfRows(view->GetTotalRows());
        //mCache = new TableViewCache(this, mSource);

        float lat2ym65 = lat2y(-65), lat2y85 = lat2y(85);

        double longitude, latitude;
        for (int i=0; i<view->GetTotalRows(); i++)
        {
            longitude = view->GetSortedDoubleData(mStringValues["Latitude"], i);
            latitude = view->GetSortedDoubleData(mStringValues["Longitude"], i);
            int x = map(longitude, -180, 180, 0, oglIm->w);
            int y = map(lat2y(latitude), lat2ym65, lat2y85, 0, oglIm->h);
            int r = view->GetSortedIntData(mStringValues["Magnitude"], i)+3;
                mViewListenerCircles.AddCircle(x, y, r);
        }
        ReleaseOglImage(oglIm);
    }

    float y2lat(float a) { return 180/M_PI * (2 * atan(exp(a*M_PI/180)) - M_PI/2); }
    float lat2y(float a) { return 180/M_PI * log(tan(M_PI/4+a*(M_PI/180)/2)); }

    float map(float v, float vmin, float vmax, float min, float max)
    {
        float r = (v-vmin)/(vmax-vmin);
        r *= (max-min);
        r += min;
        return r;
    }

    TagsLife::ViewListenerCircles mViewListenerCircles;
};

} } }  /* Namespace Impala::Application::MediaTable */

#endif /* MapModule_H_ */

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