Package org.geoforge.guillcogc.menuitem

Source Code of org.geoforge.guillcogc.menuitem.GfrMimTrsAlrDisplayWmsYesImgLgdFolderSec

/*
*  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 2
*  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, write to the Free Software
*  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
package org.geoforge.guillcogc.menuitem;

import java.io.File;
import java.util.Observable;
import java.util.Observer;
import java.util.logging.Logger;
import javax.swing.JFrame;
import org.geoforge.guillc.menuitem.GfrMimAbs;
import org.geoforge.guillc.optionpane.GfrOptionPaneAbs;
import org.geoforge.ioogc.awt.image.GfrFactoryIconAppOgc;
import org.geoforge.ioogc.saver.GfrIoSavImgLyrWmsLgdFolder;
import org.geoforge.java.util.logging.filehandler.FileHandlerLogger;
import org.geoforge.mdldatogc.GfrMdlDatIdObjTloOgcWms;
import org.geoforge.mdldsp.event.state.multiple.GfrEvtMdlTogMltSecCbx;
import org.geoforge.mdldsp.state.multiple.GfrMdlTogMltSecCbx;
import org.geoforge.wrpbasprsdatogc.GfrWrpBasDatObjNameTloWms;
import org.geoforge.wrpbasprsdsp.state.multiple.run.GfrWrpBasPrsDspPrjObjSecMltTogCbx;
import org.geoforge.wrpbasprssynogc.GfrWrpBasSynObjNameTloWms;

/**
*
* @author bantchao
*
*/
public class GfrMimTrsAlrDisplayWmsYesImgLgdFolderSec extends GfrMimTrsAlrDisplayWmsAbs
{
   // ----
    // begin: instantiate logger for this class
    final private static Logger _LOGGER_ = Logger.getLogger(GfrMimTrsAlrDisplayWmsYesImgLgdFolderSec.class.getName());

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

    // end: instantiate logger for this class
    // ----
   
   private String _strIdViewer_ = null;
   private boolean _blnHasLegend_ = false;
  
   public GfrMimTrsAlrDisplayWmsYesImgLgdFolderSec(
           String strIdLyrOwner,
           String strIdTlo,
           String strIdViewer,
           boolean blnHasLegend)
           throws Exception
   {
      super( "Show",
              GfrFactoryIconAppOgc.s_getDisplayedYesServerChild(GfrMimAbs._INT_SIZE_ICON),
              GfrWrpBasDatObjNameTloWms.s_getIdChildLegendFromIdOwnerLayer(strIdLyrOwner)//, 
              //strIdTlo
                      );
     
      this._strIdViewer_ = strIdViewer;
      this._blnHasLegend_ = blnHasLegend;
     
      if (! this._blnHasLegend_)
         return;
     
      GfrMdlTogMltSecCbx.getInstance().addObserver((Observer) this);
     
      //_update();
    }
  
  
   @Override
   public void loadTransient() throws Exception
   {
      super.loadTransient();
     
      if (! this._blnHasLegend_)
         return;
     
      GfrMdlTogMltSecCbx.getInstance().addObserver((Observer) this);

      boolean blnIsCheckedThis = GfrWrpBasPrsDspPrjObjSecMltTogCbx.getInstance().isEnabled(this._strIdViewer_, super.getId());

      if (! blnIsCheckedThis)
      {
         this.setEnabled(true);
      }
     
   }
  
   @Override
   public void releaseTransient() throws Exception
   {
      super.releaseTransient();
     
      if (! this._blnHasLegend_)
         return;
     
      GfrMdlTogMltSecCbx.getInstance().deleteObserver((Observer) this);
   }
   
   @Override
    public void destroy()
    {
       super.destroy();
      
       if (! this._blnHasLegend_)
         return;
      
       GfrMdlTogMltSecCbx.getInstance().deleteObserver((Observer) this);
    }

   @Override
   public void update(Observable obs, Object objEvt)
   {
      if (! this._blnHasLegend_)
         return;
     
      GfrEvtMdlTogMltSecCbx evt = (GfrEvtMdlTogMltSecCbx) objEvt;
      String strIdViewer = evt.getKeyViewer();
     
      if (strIdViewer.compareTo(this._strIdViewer_) != 0)
         return;
     
      String strIdObject = evt.getKeyObject();
     
      if (strIdObject.compareTo(super.getId()) != 0)
         return;
     
      boolean bln = evt.getValueObject();
      super.setEnabled(! bln);
   }

   @Override
   protected void _doJob() throws Exception
   {
      if (! this._blnHasLegend_) // statement should never reach
         return;
     
      JFrame frmOwner = null;
     
      try
      {

         String strPathAbsLeg = GfrWrpBasSynObjNameTloWms.getInstance().getPathAbsoluteImageFile(super.getId());
         File fleLgd = new File(strPathAbsLeg);
       
         if (! fleLgd.exists())
         {
            String strIdLyrOwner = GfrWrpBasDatObjNameTloWms.s_getIdOwnerLayerFromIdChildLegend(super.getId());
           
            GfrIoSavImgLyrWmsLgdFolder savLgd = new GfrIoSavImgLyrWmsLgdFolder(strIdLyrOwner);
           
            if (! savLgd.doJob())
            {
               String strWarning = "Failed to get image legend from WMS server";
               GfrMimTrsAlrDisplayWmsYesImgLgdFolderSec._LOGGER_.warning(strWarning);
               GfrOptionPaneAbs.s_showDialogWarning(frmOwner, strWarning);
               return;
            }
           
            File fleLegend = savLgd.getResultFileImage();

            if (fleLegend == null)
            {
               String strWarning = "Failed to get image legend from WMS server";
               GfrMimTrsAlrDisplayWmsYesImgLgdFolderSec._LOGGER_.warning(strWarning);
               GfrOptionPaneAbs.s_showDialogWarning(frmOwner, strWarning);
        
               return;
            }
           
            String strNameChild = savLgd.getTitleLayer();
           
            GfrMdlDatIdObjTloOgcWms.getInstance().newObjectImageLegendLayerFolder(
                    strIdLyrOwner, strNameChild, fleLegend.getAbsolutePath());
         }

         // send to observable
         GfrMdlTogMltSecCbx.getInstance().doJob(this._strIdViewer_, super.getId(), true);
      }
     
      catch(Exception exc)
      {
         exc.printStackTrace();
         String strWarningLog = exc.getMessage();
         GfrMimTrsAlrDisplayWmsYesImgLgdFolderSec._LOGGER_.warning(strWarningLog);
         String strWarningDlg = "Failed to show image legend";
         strWarningDlg += "\n\n";
         strWarningDlg += strWarningLog;
         GfrOptionPaneAbs.s_showDialogWarning(frmOwner, strWarningDlg);
      }
   }
}
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