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/**
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* Copyright (C) 2017 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.cdm.vaadin.component;
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import com.vaadin.data.Property;
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import com.vaadin.ui.AbstractTextField;
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import com.vaadin.ui.TextField;
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/**
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* TextField which has "" as null representation, fixed the ugly "null"s in the
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* default TextField implementation in vaadin 7. TODO: this might no longer be
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* required in vaadin 8 since it is supposed to have a mechanism to configure
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* the null representations.
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* <p>
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* Additional features:
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* <ul>
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* <li>entered text is trimmed</li>
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* </ul>
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*
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*
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* @author a.kohlbecker
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* @since Dec 21, 2017
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*
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*/
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public class TextFieldNFix extends TextField {
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private static final long serialVersionUID = -7582619519894748364L;
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public TextFieldNFix(String format) {
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super(format);
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init();
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}
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public TextFieldNFix() {
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super();
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init();
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}
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public TextFieldNFix(Property dataSource) {
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super(dataSource);
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init();
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}
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public TextFieldNFix(String caption, Property dataSource) {
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super(caption, dataSource);
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init();
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}
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public TextFieldNFix(String caption, String value) {
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super(caption, value);
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init();
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}
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protected void init() {
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setNullSettingAllowed(true);
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addBlurListener(e -> {
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AbstractTextField c = ((AbstractTextField) e.getComponent());
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if (c.getValue() != null) {
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c.setValue(c.getValue().trim());
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}
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});
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}
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@Override
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public String getNullRepresentation() {
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return "";
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}
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// @Override
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// protected void setValue(String newFieldValue, boolean repaintIsNotNeeded,
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// boolean ignoreReadOnly) {
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// newFieldValue = trimValue(newFieldValue);
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// super.setValue(newFieldValue, repaintIsNotNeeded, ignoreReadOnly);
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// }
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//
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// @Override
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// protected void setInternalValue(String newValue) {
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// newValue = trimValue(newValue);
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// super.setInternalValue(newValue);
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// }
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//
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//
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//
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// /**
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// * @param newValue
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// * @return
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// */
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// protected String trimValue(String newValue) {
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// if(newValue != null){
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// newValue = newValue.trim();
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// if(newValue.isEmpty()){
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// newValue = null;
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// }
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// }
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// return newValue;
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// }
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}
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