com.bluexml.side.view.edit.ui.actions.SynchronizeViews.java Source code

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Here is the source code for com.bluexml.side.view.edit.ui.actions.SynchronizeViews.java

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/*
Copyright (C) 2007-2011  BlueXML - www.bluexml.com
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 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 General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
    
*/

package com.bluexml.side.view.edit.ui.actions;

import java.util.Iterator;

import org.eclipse.emf.common.command.CompoundCommand;
import org.eclipse.emf.ecore.plugin.EcorePlugin;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.edit.domain.IEditingDomainProvider;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.ui.IWorkbenchPart;

import com.bluexml.side.view.AbstractView;
import com.bluexml.side.view.AbstractViewOf;
import com.bluexml.side.view.ViewCollection;
import com.bluexml.side.view.edit.ui.utils.InternalModification;
import com.bluexml.side.view.edit.ui.utils.model.ClassUtils;

public class SynchronizeViews extends Action implements ISelectionChangedListener {

    protected ViewCollection selectedObject;
    private EditingDomain domain;

    public void selectionChanged(SelectionChangedEvent event) {
        if (event.getSelection() instanceof IStructuredSelection) {
            setEnabled(updateSelection((IStructuredSelection) event.getSelection()));
        } else {
            setEnabled(false);
        }
    }

    public boolean updateSelection(IStructuredSelection selection) {
        selectedObject = null;
        for (Iterator<?> objects = selection.iterator(); objects.hasNext();) {
            Object object = objects.next();
            if (object instanceof ViewCollection) {
                selectedObject = (ViewCollection) object;
            } else {
                return false;
            }
        }
        return selectedObject != null;
    }

    @Override
    public void run() {
        super.run();
        doAction(selectedObject);
    }

    private void doAction(ViewCollection av) {
        InternalModification.dontMoveToDisabled();
        try {
            CompoundCommand cmd = new CompoundCommand();
            for (AbstractView view : av.getViews()) {
                if (view instanceof AbstractViewOf) {
                    cmd.append(ClassUtils.synchronizeView((AbstractViewOf) view, domain));
                }
            }
            domain.getCommandStack().execute(cmd);
        } catch (Exception e) {
            e.printStackTrace();
            EcorePlugin.INSTANCE.log("Synchronization failed : " + e.getMessage());
            e.printStackTrace();
            InternalModification.moveToDisabled();
        }
        InternalModification.moveToDisabled();
    }

    @Override
    public String getText() {
        return "Synchronize views with Class Diagram";
    }

    public void setActiveWorkbenchPart(IWorkbenchPart workbenchPart) {
        if (workbenchPart instanceof IEditingDomainProvider) {
            domain = ((IEditingDomainProvider) workbenchPart).getEditingDomain();
        }
    }

}