content: /*
  * Copyright (c) 1997 - 2016
  * Actelion Pharmaceuticals Ltd.
  * Gewerbestrasse 16
  * CH-4123 Allschwil, Switzerland
  *
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  * 1. Redistributions of source code must retain the above copyright notice, this
  *    list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright notice,
  *    this list of conditions and the following disclaimer in the documentation
  *    and/or other materials provided with the distribution.
  * 3. Neither the name of the the copyright holder nor the
  *    names of its contributors may be used to endorse or promote products
  *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
  
  package com.actelion.research.jfx.gui.misc;
  
  import com.actelion.research.chem.*;
  import com.actelion.research.jfx.dataformat.MoleculeDataFormats;
  import javafx.scene.input.Clipboard;
  import javafx.scene.input.ClipboardContent;
  import javafx.scene.input.DataFormat;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Set;
  
  /**
   * Created by baerr on 7/28/14.
   */
  public class ClipboardHelper {
      private ClipboardHelper() {
      }
  
      public static ClipboardContent writeContent(StereoMolecule mol) {
          return writeContent(mol, null);
      }
  
      public static ClipboardContent writeContent(StereoMolecule mol, ClipboardContent content) {
          if(content==null)
              content = new ClipboardContent();
  
          // JavaFx/awt clipboard
          content.put(MoleculeDataFormats.DF_SERIALIZEDMOLECULE, mol);
  
          MolfileV3Creator molfileV3Creator = new MolfileV3Creator(mol);
          content.put(MoleculeDataFormats.DF_MDLMOLFILEV3, molfileV3Creator.getMolfile());
  
          MolfileCreator molfileCreator = new MolfileCreator(mol);
          content.put(MoleculeDataFormats.DF_MDLMOLFILE, molfileCreator.getMolfile());
  
          Canonizer can = new Canonizer(mol);
          String idcode = String.format("%s %s", can.getIDCode(), can.getEncodedCoordinates(true));
          content.putString(idcode);
  
          IsomericSmilesCreator smilesCreator = new IsomericSmilesCreator(mol);
          content.put(MoleculeDataFormats.DF_SMILES, smilesCreator.getSmiles());
  
          return content;
      }
  
      public static void copy(StereoMolecule mol) {
          // JavaFx clipboard
  //        final Clipboard clipboard = Clipboard.getSystemClipboard();
  //        clipboard.setContent(writeContent(mol));
  
          // Native clipboard
  //        ClipboardHandler handler = new ClipboardHandler();
  //        handler.copyMolecule(mol);
      }
  
      public static StereoMolecule readContent(Clipboard clipboard) {
          StereoMolecule mol = null;
          List<DataFormat> formats = getAcceptedFormats(clipboard);
  
          int i = -1;
          while (mol == null && ++i < formats.size()) {
              DataFormat format = formats.get(i);
  
              if (format.equals(MoleculeDataFormats.DF_SERIALIZEDMOLECULE)) {
                  System.out.println("Put molecule using " + format);
                  try {
                      mol = (StereoMolecule) clipboard.getContent(format);
                  } catch (Exception e) {
                      System.err.println("Cannot parse serialized data for molecule");
                  }
              } else if (format.equals(MoleculeDataFormats.DF_MDLMOLFILEV3) || format.equals(MoleculeDataFormats.DF_MDLMOLFILE)) {
                  System.out.println("Put molecule using " + format);
                  try {
                      MolfileParser p = new MolfileParser();
                      p.parse(mol, clipboard.getContent(format).toString());
                  } catch (Exception e) {
                      System.err.println("Cannot parse molfile/molfilev3 data for molecule");
                  }
              } else if (format.equals(DataFormat.PLAIN_TEXT)) {
                  System.out.println("Put molecule using " + format);
                  try {
                      IDCodeParser p = new IDCodeParser(true);
                      p.parse(mol, clipboard.getString());
                  } catch (Exception e) {
                      System.err.println("Cannot parse idcode data for molecule");
                  }
              } else if (format.equals(MoleculeDataFormats.DF_SMILES)) {
                  System.out.println("Put molecule using " + format);
                  try {
                      SmilesParser p = new SmilesParser();
                      p.parse(mol, clipboard.getContent(format).toString());
                  } catch (Exception e) {
                      System.err.println("Cannot parse smiles data for molecule");
                  }
              }
          }
          return mol;
      }
  
      public static StereoMolecule paste() {
          StereoMolecule mol = null;
  
          // Native clipboard
  //        ClipboardHandler handler = new ClipboardHandler();
  //        mol = handler.pasteMolecule();
          if(mol!=null) {
              System.out.println("Got molecule from native clipboard");
          } else {
              // JavaFx clipboard
              final Clipboard clipboard = Clipboard.getSystemClipboard();
              mol = readContent(clipboard);
              if(mol!=null) {
                  System.out.println("Got molecule from standard clipboard");
              }
          }
  
          return mol;
      }
  
      public static List<DataFormat> getAcceptedFormats(Clipboard clipboard)
      {
          Set<DataFormat> formats = clipboard.getContentTypes();
          List<DataFormat> res = new ArrayList<DataFormat>();
          for (DataFormat dataFormat : MoleculeDataFormats.DATA_FORMATS) {
              for (DataFormat f : formats) {
                  if (f.equals(dataFormat)) {
                      res.add(f);
                      break;
                  }
              }
          }
          return res;
      }
  }
  