it.eng.spagobi.meta.editor.business.actions.RefreshViewerAction.java Source code

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Here is the source code for it.eng.spagobi.meta.editor.business.actions.RefreshViewerAction.java

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/**
 SpagoBI, the Open Source Business Intelligence suite
    
 Copyright (C) 2012 Engineering Ingegneria Informatica S.p.A. - SpagoBI Competency Center
 This Source Code Form is subject to the terms of the Mozilla Public
 License, v. 2.0. If a copy of the MPL was not distributed with this file,
 You can obtain one at http://mozilla.org/MPL/2.0/.
     
**/
package it.eng.spagobi.meta.editor.business.actions;

import it.eng.spagobi.commons.resource.IResourceLocator;
import it.eng.spagobi.meta.editor.SpagoBIMetaEditorPlugin;

import org.eclipse.emf.common.ui.viewer.IViewerProvider;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.ui.IEditorPart;

/**
 * @author Andrea Gioia (andrea.gioia@eng.it)
 *
 */
public class RefreshViewerAction extends Action {

    IEditorPart activeEditorPart;

    private static IResourceLocator RL = SpagoBIMetaEditorPlugin.getInstance().getResourceLocator();

    public RefreshViewerAction() {
        super(RL.getString("business.action.refresh.label"));
    }

    public void setActiveEditorPart(IEditorPart activeEditorPart) {
        this.activeEditorPart = activeEditorPart;
    }

    @Override
    public boolean isEnabled() {
        return activeEditorPart instanceof IViewerProvider;
    }

    @Override
    public void run() {
        if (activeEditorPart instanceof IViewerProvider) {
            Viewer viewer = ((IViewerProvider) activeEditorPart).getViewer();
            if (viewer != null) {
                if (viewer instanceof TreeViewer) {
                    TreeViewer treeViewer = (TreeViewer) viewer;

                    Object[] elements = treeViewer.getExpandedElements();
                    //               for(int i = 0; i < elements.length; i++) {
                    //                  treeViewer.refresh(elements[i]);
                    //                  if(elements[i] instanceof BusinessColumnFolderItemProvider) {
                    //                     BusinessColumnFolderItemProvider bcfip = (BusinessColumnFolderItemProvider)elements[i];
                    //                     treeViewer.setExpandedState(elements[i], true);                     
                    //                  } else {
                    //                     treeViewer.setExpandedState(elements[i], true);
                    //                  }
                    //               }
                    //               
                    treeViewer.refresh();
                    treeViewer.setExpandedElements(elements);
                } else {
                    viewer.refresh();
                }
            }
        }
    }
}