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// $Id$
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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.view.datasource.handler;
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import org.eclipse.core.commands.AbstractHandler;
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import org.eclipse.core.commands.ExecutionEvent;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.ui.handlers.HandlerUtil;
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import eu.etaxonomy.taxeditor.datasource.CdmDataSourceRepository;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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import eu.etaxonomy.taxeditor.store.StoreUtil;
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import eu.etaxonomy.taxeditor.view.datasource.CdmMetaDataAwareDataSourceContainer;
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/**
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* <p>ChangeConnectionHandler class.</p>
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*
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* @author n.hoffmann
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* @created 15.04.2009
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* @version 1.0
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*/
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public class ChangeConnectionHandler extends AbstractHandler {
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/* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.store.datasource.handler.AbstractDataSourceHandler#specificExecute(org.eclipse.core.commands.ExecutionEvent)
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*/
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/** {@inheritDoc} */
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public Object execute(ExecutionEvent event) {
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ISelection selection = HandlerUtil.getCurrentSelection(event);
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if(selection != null && selection instanceof IStructuredSelection){
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CdmMetaDataAwareDataSourceContainer container = (CdmMetaDataAwareDataSourceContainer) ((IStructuredSelection) selection).getFirstElement();
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if(CdmStore.isConnecting()){
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StoreUtil.warningDialog("Already connecting", this, "You are currently connecting to a different datasource already.");
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return null;
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}
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try {
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container.getDataSource().testConnection();
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boolean confirmed = StoreUtil.confirmDialog("Confirm Datasource Connection", "Do you really want to connect to this datasource?\n\n"
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+ container.getDataSource().getName());
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if(confirmed){
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CdmDataSourceRepository.changeDataSource(container.getDataSource());
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}
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} catch (Exception e) {
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StoreUtil.warningDialog("Chosen datasource is not available", this, "This could mean that either the database server is " +
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"not running or the machine is not reachable.\n\n" +
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"Please also make sure that you are connected to the network when trying to connect to a remote datasource.");
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StoreUtil.warn(getClass(), e);
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return null;
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}
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}
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return null;
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}
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}
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