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// $Id$
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/**
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* Copyright (C) 2015 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.operation;
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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.core.commands.ExecutionException;
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import org.eclipse.core.commands.operations.AbstractOperation;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.jface.dialogs.ErrorDialog;
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import eu.etaxonomy.taxeditor.model.AbstractUtility;
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import eu.etaxonomy.taxeditor.model.MessagingUtils;
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/**
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* @author cmathew
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* @date 16 Jun 2015
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*
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*/
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public abstract class RemotingCdmHandler extends AbstractHandler {
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private final String label;
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public RemotingCdmHandler(String label) {
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this.label = label;
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}
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/* (non-Javadoc)
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* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
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*/
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@Override
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public Object execute(ExecutionEvent event) throws ExecutionException {
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IStatus allowStatus = allowOperations(event);
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if(allowStatus.isOK()) {
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AbstractOperation op = prepareOperation(event);
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if(op != null) {
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AbstractUtility.executeOperation(op, this);
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}
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} else if(allowStatus.getSeverity() == IStatus.ERROR ||
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allowStatus.getSeverity() == IStatus.WARNING ||
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allowStatus.getSeverity() == IStatus.INFO) {
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MessagingUtils.warningDialog("Can not perform " + label, event.getTrigger(), allowStatus);
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}
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return null;
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}
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public void postOperation(IStatus status) {
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switch(status.getSeverity()) {
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case IStatus.WARNING:
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ErrorDialog.openError(null, "Operation successful but with warnings", null, status);
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break;
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case IStatus.ERROR:
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ErrorDialog.openError(null, "Error executing operation", null, status);
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break;
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default:
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}
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onComplete();
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}
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public abstract IStatus allowOperations(ExecutionEvent event);
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public abstract AbstractOperation prepareOperation(ExecutionEvent event);
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public abstract void onComplete();
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}
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