CopySupport.java

package jetbrains.mps.workbench.dialogs.project.components.parts;

/*Generated by MPS */

import javax.swing.JComponent;
import java.awt.PopupMenu;
import java.awt.MenuItem;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.datatransfer.Clipboard;
import java.awt.Toolkit;
import javax.swing.TransferHandler;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.Point;
import javax.swing.JList;
import org.jetbrains.mps.openapi.model.SModelReference;
import java.awt.datatransfer.StringSelection;

public class CopySupport {
  public CopySupport() {
  }
  public static void addCopyPopup(final JComponent component) {
    final PopupMenu popup = new PopupMenu();
    MenuItem menuItem = new MenuItem("Copy name to clipboard");
    menuItem.addActionListener(new ActionListener() {
      @Override
      public void actionPerformed(ActionEvent e) {
        Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
        component.getTransferHandler().exportToClipboard(component, clipboard, TransferHandler.COPY);
      }
    });
    popup.add(menuItem);
    component.add(popup);
    component.addMouseListener(new MouseAdapter() {
      @Override
      public void mouseClicked(MouseEvent e) {
        if (e.getButton() == MouseEvent.BUTTON3) {
          Point point = e.getPoint();
          popup.show(component, point.x, point.y);
        }
      }
    });
  }
  public static class ModelReferenceTransferHandler extends TransferHandler {
    public ModelReferenceTransferHandler() {
    }
    @Override
    public void exportToClipboard(JComponent comp, Clipboard clip, int action) throws IllegalStateException {
      int clipboardAction = getSourceActions(comp) & action;
      if (clipboardAction == TransferHandler.NONE) {
        exportDone(comp, null, TransferHandler.NONE);
      }
      Object[] selected = ((JList) comp).getSelectedValues();
      StringBuilder textPresentation = new StringBuilder();
      for (int i = 0; i < selected.length; i++) {
        SModelReference modelRef = (SModelReference) selected[i];
        textPresentation.append(modelRef.getModelName());
        if (i != selected.length - 1) {
          textPresentation.append("\n");
        }
      }
      StringSelection t = new StringSelection(textPresentation.toString());
      try {
        clip.setContents(t, null);
        exportDone(comp, t, action);
      } catch (IllegalStateException e) {
        exportDone(comp, t, TransferHandler.NONE);
      }
    }
  }
}