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/**
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* Copyright (C) 2016 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.molecular.io.wizard;
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import org.eclipse.core.databinding.validation.IValidator;
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import org.eclipse.core.databinding.validation.ValidationStatus;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.jface.databinding.swt.ISWTObservableValue;
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import org.eclipse.swt.events.SelectionAdapter;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.widgets.Button;
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/**
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* Validator to make sure a non-empty consensus sequence name is provided. It must be registered as a selection listener
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* of the export consensus sequence check box of the wizard page in order to work properly.
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*
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* @author Ben Stöver
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* @date 16.11.2016
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*/
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public class ConsensusSequenceLabelValidator extends SelectionAdapter implements IValidator {
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private boolean exportConsensusSequence = true;
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private ISWTObservableValue checkBoxObersable;
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public ConsensusSequenceLabelValidator(ISWTObservableValue checkBoxObersable) {
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super();
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this.checkBoxObersable = checkBoxObersable;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public IStatus validate(Object value) {
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if (exportConsensusSequence && ((value == null) || ((String)value).isEmpty())) {
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return ValidationStatus.error("The consensus sequence label must not be empty."); //TODO multi language
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}
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else {
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return ValidationStatus.ok();
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}
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void widgetSelected(SelectionEvent event) {
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exportConsensusSequence = ((Button)event.getSource()).getSelection();
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// Trigger validation of label:
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Object value = checkBoxObersable.getValue();
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checkBoxObersable.setValue("");
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checkBoxObersable.setValue(value);
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}
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}
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