Package org.geoforge.worldwind.render

Source Code of org.geoforge.worldwind.render.GfrRndSurfaceSectorTloAbs

/*
*  Copyright (C) 2011-2014 GeoForge Project
*
*  This program is free software: you can redistribute it and/or modify
*  it under the terms of the GNU Lesser General Public License as published by
*  the Free Software Foundation, either version 3 of the License, or
*  (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU Lesser General Public License for more details.
*
*  You should have received a copy of the GNU Lesser General Public License
*  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package org.geoforge.worldwind.render;

import org.geoforge.worldwind.handler.IGfrHandlerObjectRender;
import gov.nasa.worldwind.geom.LatLon;
import gov.nasa.worldwind.geom.Position;
import gov.nasa.worldwind.geom.Sector;
import gov.nasa.worldwind.render.BasicShapeAttributes;
import gov.nasa.worldwind.render.Material;
import gov.nasa.worldwind.render.SurfaceSector;
import java.awt.Color;
import java.awt.geom.Point2D;
import java.beans.PropertyChangeListener;
import java.util.Iterator;
import java.util.List;
import java.util.Observable;
import java.util.Observer;
import java.util.logging.Logger;
import org.geoforge.lang.handler.IGfrHandlerLifeCycleObject;
import org.geoforge.java.util.logging.filehandler.FileHandlerLogger;
import org.geoforge.mdl.event.GfrEvtMdlIdAbs;
import org.geoforge.mdldat.event.GfrEvtMdlIdDatRenamedTlo;
import org.geoforge.mdldsp.event.render.wwd.GfrEvtMdlIdDspRndWwdEarthShpDimTwo;
import org.geoforge.worldwind.handler.IGfrHandlerWwdEarthObjectGeoforgeRenderableLayer;
import org.geoforge.lang.util.geography.GfrUtilDmsOperation;
import org.geoforge.mdldat.event.GfrEvtMdlIdDatChangedGeometry;
import org.geoforge.mdldsp.event.render.wwd.EnuEvtDspRndWwdEarthShp;
import org.geoforge.mdldsp.event.render.wwd.EnuEvtDspRndWwdEarthDimTwo;
import org.geoforge.wrpbasprsdsp.render.wwd.GfrWrpBasPrsDspPrjRndWwdEarthShpDimTwo;

/**
*
* @author bantchao
*
* email: bantchao_AT_gmail.com
* ... please remove "_AT_" from the above string to get the right email address
*
*/
abstract public class GfrRndSurfaceSectorTloAbs extends SurfaceSector implements
        IGfrHandlerLifeCycleObject,
        IGfrHandlerWwdEarthObjectGeoforgeRenderableLayer,
        Observer,
        IGfrHandlerObjectRender
{
    // ----
    // begin: instantiate logger for this class
    final private static Logger _LOGGER_ = Logger.getLogger(GfrRndSurfaceSectorTloAbs.class.getName());

    static
    {
        GfrRndSurfaceSectorTloAbs._LOGGER_.addHandler(FileHandlerLogger.s_getInstance());
    }

    // end: instantiate logger for this class
    // ----
   
   
   
    private String _strId_ = null;
   
    protected GfrRndSurfaceSectorTloAbs(
            PropertyChangeListener lstShouldRedraw,
            String strId,
            String strName,
            List<Position> lstPosition // should be changed by latLonMin & LatLonMax
            )
            throws Exception
    {
        super();
       
        this._strId_ = strId;
       
        Position posMin = lstPosition.get(0);
        Position posMax = lstPosition.get(1);
        Sector sec = Sector.boundingSector(posMin, posMax);
        super.setSector(sec);
       
       
       
        setAttributesThis();
        setNameThis(strName);
        setEnabledTooltipThis();
       
        if (lstShouldRedraw != null)
         super.addPropertyChangeListener(lstShouldRedraw);
       
    }
   
    @Override
    public void update(Observable obs, Object objEvt)
    {
       // beg display
      
       if (objEvt instanceof GfrEvtMdlIdDspRndWwdEarthShpDimTwo)
       {
          GfrEvtMdlIdDspRndWwdEarthShpDimTwo evt = (GfrEvtMdlIdDspRndWwdEarthShpDimTwo) objEvt;
         
          String strId = evt.getId();
         
          if (strId.compareTo(this._strId_) != 0)
             return;
         
          Object objWhat = evt.getWhat();
         
          if (objWhat == EnuEvtDspRndWwdEarthShp.TOOLTIP)
          {
             Boolean boo = (Boolean) evt.getValue();
             super.setValue(GfrKeysRnd.STR_HAS_TOOLTIP, boo.booleanValue());
             // memo: no need to send event to redraw!
             return;
          }
         
          if (objWhat == EnuEvtDspRndWwdEarthDimTwo.COLOR_IN) // what about transparency?
          {
             Color col = (Color) evt.getValue();
             BasicShapeAttributes bsa = (BasicShapeAttributes) super.getAttributes();
             bsa.setInteriorMaterial(new Material(col));
             this.firePropertyChange(GfrShouldRedrawRnd.STR, null, null);
             return;
          }
         
          if (objWhat == EnuEvtDspRndWwdEarthDimTwo.TRANSPARENCY_IN)
          {
             Float flo = (Float) evt.getValue();
             float fltAlpha = flo.floatValue();
             BasicShapeAttributes bsa = (BasicShapeAttributes) super.getAttributes();
             bsa.setInteriorOpacity((double) fltAlpha);
             this.firePropertyChange(GfrShouldRedrawRnd.STR, null, null);
             return;
          }
         
          if (objWhat == EnuEvtDspRndWwdEarthDimTwo.COLOR_OUT) // what about transparency?
          {
             Color col = (Color) evt.getValue();
             BasicShapeAttributes bsa = (BasicShapeAttributes) super.getAttributes();
             bsa.setOutlineMaterial(new Material(col));
             this.firePropertyChange(GfrShouldRedrawRnd.STR, null, null);
             return;
          }
         
          if (objWhat == EnuEvtDspRndWwdEarthDimTwo.TRANSPARENCY_OUT)
          {
             Float flo = (Float) evt.getValue();
             float fltAlpha = flo.floatValue();
             BasicShapeAttributes bsa = (BasicShapeAttributes) super.getAttributes();
             bsa.setOutlineOpacity((double) fltAlpha);
             this.firePropertyChange(GfrShouldRedrawRnd.STR, null, null);
             return;
          }
         
         
          return;
       }
      
       // end display
      
      
       // beg data
      
       GfrEvtMdlIdAbs objId = (GfrEvtMdlIdAbs) objEvt;
      
       String strIdEvt = objId.getId();
      
       if (strIdEvt.compareTo(this._strId_) != 0)
          return;
      
       if (objId instanceof GfrEvtMdlIdDatChangedGeometry)
       {
          /*
            * memo:
               * altPoint2d:
               * . Point2D.Double[0].x ==> latMin
               * . Point2D.Double[0].y ==> lonMin
               *
               * . Point2D.Double[1].x ==> latMax
               * . Point2D.Double[1].y ==> lonMax
            */
         
         
          GfrEvtMdlIdDatChangedGeometry evt = (GfrEvtMdlIdDatChangedGeometry) objEvt;
          List<Point2D.Double> lstP2d = (List<Point2D.Double>) evt.getGeometry();
          Point2D.Double p2dMin = lstP2d.get(0);
          Point2D.Double p2dMax = lstP2d.get(1);

          Position posMin = Position.fromDegrees(p2dMin.y, p2dMin.x);
          Position posMax = Position.fromDegrees(p2dMax.y, p2dMax.x);
          Sector sec = Sector.boundingSector(posMin, posMax);
          super.setSector(sec);
          this.firePropertyChange(GfrShouldRedrawRnd.STR, null, null);
          return;
       }
      
       if (objId instanceof GfrEvtMdlIdDatRenamedTlo)
       {
          GfrEvtMdlIdDatRenamedTlo objRename = (GfrEvtMdlIdDatRenamedTlo) objId;
          super.setValue(gov.nasa.worldwind.avlist.AVKey.DISPLAY_NAME, objRename.getValueNew());
         // memo: no need to redraw, coz of just handling toolTip
          return;
       }
      
       // end data
    }

    @Override
    public String getIdObjectGeoforgeWwdEarth() { return this._strId_;}

    @Override
    public Position getPositionBarycentricObjectGeoforgeWwdEarth() throws Exception
    {
       return super.getReferencePosition();
    }
   
   
   
    @Override
    public boolean init()
    {
        return true;
    }

    @Override
    public void destroy()
    {
    }


   @Override
   public double getCharacteristicDimensionObjectGeoforgeRenderableLayer() throws Exception
   {
      Sector sec = super.getSector();
     
        Iterator<? extends LatLon> itr = sec.asList().iterator();
       
        if (! itr.hasNext())
        {
            String str = "! itr.hasNext()";
            GfrRndSurfaceSectorTloAbs._LOGGER_.severe(str);
            throw new Exception(str);
        }
       
        double dblMinLat = 500;
        double dblMaxLat = -500;
        double dblMinLon = 500;
        double dblMaxLon = -500;
       
        while (itr.hasNext())
        {
            LatLon llnCur = itr.next();
            double[] dbls = llnCur.asDegreesArray();
           
            if (dbls[0] < dblMinLat)//=a
                dblMinLat = dbls[0];
           
            if (dbls[1] < dblMinLon)//=c
                dblMinLon = dbls[1];
           
            if (dbls[0] > dblMaxLat)//=b
                dblMaxLat = dbls[0];
           
            if (dbls[1] > dblMaxLon)//=d
                dblMaxLon = dbls[1];
        }
       
        double dist = GfrUtilDmsOperation.s_getDistanceFromDeg(dblMinLat, dblMinLon, dblMaxLat, dblMaxLon);
        dist *= 1.5;
        return dist;
   }
  
   public void setAttributesThis() throws Exception
   {
      BasicShapeAttributes bsa = new BasicShapeAttributes();
     
      // beg out
      bsa.setDrawOutline(true);
      final double dblWidthOut = 1;
      bsa.setOutlineWidth(dblWidthOut);
     
      Color colRgbOut = GfrWrpBasPrsDspPrjRndWwdEarthShpDimTwo.getInstance().getColorOut(this._strId_)
     bsa.setOutlineMaterial(new Material(colRgbOut));
    
     float fltAlphaOut = GfrWrpBasPrsDspPrjRndWwdEarthShpDimTwo.getInstance().getTransparencyOut(this._strId_);
     bsa.setOutlineOpacity((double) fltAlphaOut);
      // end out
     
      // beg in
     bsa.setDrawInterior(true);
     Color colRgbIn = GfrWrpBasPrsDspPrjRndWwdEarthShpDimTwo.getInstance().getColorIn(this._strId_)
     bsa.setInteriorMaterial(new Material(colRgbIn));
    
     float fltAlphaIn = GfrWrpBasPrsDspPrjRndWwdEarthShpDimTwo.getInstance().getTransparencyIn(this._strId_);
     bsa.setInteriorOpacity((double) fltAlphaIn);
      // end in
    
     super.setAttributes(bsa);
   }
  
   @Override
   public void setNameThis(String strName)
    {
       super.setValue(gov.nasa.worldwind.avlist.AVKey.DISPLAY_NAME, strName);
       super.setValue(GfrKeysRnd.STR_HAS_CONTEXTUAL_MENU, true); // always true
    }
   
   @Override
    public void setEnabledTooltipThis() throws Exception
    {
       boolean blnIsToolTip = GfrWrpBasPrsDspPrjRndWwdEarthShpDimTwo.getInstance().isTooltip(this._strId_);
       super.setValue(GfrKeysRnd.STR_HAS_TOOLTIP, blnIsToolTip);
    }
}
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