ClearMetaPrint2DHandler.java

/* *****************************************************************************
 * Copyright (c) 2009 Ola Spjuth.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Ola Spjuth - initial API and implementation
 ******************************************************************************/
package net.bioclipse.metaprint2d.ui.actions;

import net.bioclipse.cdk.domain.ICDKMolecule;
import net.bioclipse.cdk.jchempaint.editor.JChemPaintEditor;
import net.bioclipse.cdk.jchempaint.view.JChemPaintView;
import net.bioclipse.cdk.ui.sdfeditor.editor.MoleculesEditor;
import net.bioclipse.cdk.ui.sdfeditor.editor.MultiPageMoleculesEditorPart;
import net.bioclipse.metaprint2d.ui.Activator;
import net.bioclipse.metaprint2d.ui.MetaPrintGenerator;
import net.bioclipse.metaprint2d.ui.Metaprint2DConstants;
import net.bioclipse.metaprint2d.ui.business.IMetaPrint2DManager;
import net.bioclipse.metaprint2d.ui.views.MetaPrint2DReportView;

import org.apache.log4j.Logger;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.contexts.IContextService;


public class ClearMetaPrint2DHandler extends AbstractHandler implements IHandler {

    Logger logger = Logger.getLogger( ClearMetaPrint2DHandler.class );

    public Object execute( ExecutionEvent event ) throws ExecutionException {

        //Make sure we are called from a supported editor
        IEditorPart part = PlatformUI.getWorkbench().getActiveWorkbenchWindow()
        .getActivePage().getActiveEditor();

        if (part instanceof net.bioclipse.cdk.ui.sdfeditor.editor.MultiPageMoleculesEditorPart) {
            executeInMoleculesEditor(part);
        }
        else if ( part instanceof JChemPaintEditor ) {
            executeInJCP(part);
        }
        
        MetaPrintGenerator.setVisible(false);

        updateLinkedViews();
        
        return null;
    }

    public void executeInJCP(IEditorPart part){
        JChemPaintEditor jcpeditor = (JChemPaintEditor) part;

        //Turn of generators
//        jcpeditor.getWidget().setUseExtensionGenerators( false );

        IMetaPrint2DManager m2d = Activator.getDefault().getMetaPrint2DManager();
        m2d.clear( jcpeditor.getCDKMolecule());
        jcpeditor.setMoleculeProperty(Metaprint2DConstants.METAPRINT_RESULT_PROPERTY, null);
        //manually update jcpeditor
        jcpeditor.update();


    }
    
    private void updateLinkedViews() {

        //Manually refresh m2d report view
        IViewPart reportView = PlatformUI.getWorkbench().
                               getActiveWorkbenchWindow().getActivePage().
                               findView(MetaPrint2DReportView.VIEW_ID);
        if (reportView!=null)
            ((MetaPrint2DReportView)reportView).refresh();
                
        //Manually refresh 2D view as well
        IViewPart jcpview = PlatformUI.getWorkbench().getActiveWorkbenchWindow()
                                .getActivePage().findView( JChemPaintView.VIEW_ID );
        if (jcpview!=null)
            ((JChemPaintView)jcpview).refresh();
    }

    
    public void executeInMoleculesEditor(IEditorPart part) {

        MultiPageMoleculesEditorPart molPart=(MultiPageMoleculesEditorPart)part;
        
        IContextService contextService = (IContextService) PlatformUI.getWorkbench().
        getService(IContextService.class);

        for (Object cs : contextService.getActiveContextIds()){
            if (MultiPageMoleculesEditorPart.JCP_CONTEXT.equals( cs )){
                //JCP is active
                Object obj = molPart.getAdapter(JChemPaintEditor.class);
                if (obj!= null){
                    JChemPaintEditor jcp=(JChemPaintEditor)obj;
                    executeInJCP( jcp );
                    return;
                }
            }

        }
        
        MoleculesEditor molEditor=molPart.getMoleculesPage();

        molEditor.setRenderer2DConfigurator( null );

        molEditor.getMolTableViewer().refresh();
        logger.debug("Removed renderer2dconfigurator in MoleculesTable");
      }



}