SelectedComparisonAction.java

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//
// Copyright (C) 2006-2016 Talend Inc. - www.talend.com
//
// This source code is available under agreement available at
// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
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package org.talend.cwm.compare.ui.actions;

import java.lang.reflect.InvocationTargetException;

import org.apache.log4j.Logger;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.widgets.Display;
import org.talend.core.model.metadata.builder.connection.Connection;
import org.talend.cwm.compare.exception.ReloadCompareException;
import org.talend.cwm.compare.factory.ComparisonLevelFactory;
import org.talend.cwm.compare.factory.IComparisonLevel;
import org.talend.cwm.compare.i18n.Messages;
import org.talend.cwm.compare.ui.ImageLib;
import org.talend.dataprofiler.core.CorePlugin;
import org.talend.dataprofiler.core.ui.progress.ProgressUI;
import org.talend.dataprofiler.core.ui.utils.MessageUI;
import org.talend.dataprofiler.core.ui.views.DQRespositoryView;

/**
 * DOC mzhao class global comment. Compare selected model elements action.
 */
public class SelectedComparisonAction extends Action {

    private static Logger log = Logger.getLogger(SelectedComparisonAction.class);

    private Object selectedObj1, selectedObj2;

    public SelectedComparisonAction(String menuText) {
        super(menuText);
        setImageDescriptor(ImageLib.getImageDescriptor(ImageLib.COMPARE_IMAGE));
    }

    /**
     * DOC mzhao Refrech selected object when selection changed.
     * 
     * @param mSelectedObj1
     * @param mSelectedObj2
     */
    public void refreshSelectedObj(Object mSelectedObj1, Object mSelectedObj2) {
        this.selectedObj1 = mSelectedObj1;
        this.selectedObj2 = mSelectedObj2;
    }

    @Override
    public void run() {
        IRunnableWithProgress op = new IRunnableWithProgress() {

            public void run(IProgressMonitor monitor) throws InvocationTargetException {
                final IComparisonLevel creatComparisonLevel = ComparisonLevelFactory.creatComparisonLevel(selectedObj1,
                        selectedObj2);
                Display.getDefault().asyncExec(new Runnable() {

                    public void run() {
                        try {
                            creatComparisonLevel.popComparisonUI(new UiHandler());
                        } catch (ReloadCompareException e) {
                            log.error(e, e);
                        }

                    }
                });
            }
        };
        try {
            ProgressUI.popProgressDialog(op);
            if (selectedObj1 instanceof Connection && selectedObj2 instanceof Connection) {
                DQRespositoryView repositoryView = CorePlugin.getDefault().getRepositoryView();
                if (repositoryView != null) {
                    repositoryView.refresh();
                }
            }
        } catch (InvocationTargetException e) {
            MessageUI.openError(Messages.getString("PopComparisonUIAction.checkConnectionFailure", e.getCause().getMessage())); //$NON-NLS-1$
            log.error(e, e);
        } catch (InterruptedException e) {
            log.error(e, e);
        }
    }
}