CCM NG: Editor component for LocalizedString for the Vaadin prototype
git-svn-id: https://svn.libreccm.org/ccm/ccm_ng@5009 8810af33-2d31-482b-a856-94f89814c4dfccm-docs
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package org.libreccm.l10n.ui;
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import com.vaadin.data.provider.QuerySortOrder;
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import com.vaadin.server.SerializableSupplier;
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import com.vaadin.ui.CustomComponent;
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import com.vaadin.ui.Grid;
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import org.libreccm.l10n.GlobalizationHelper;
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import org.libreccm.l10n.LocalizedString;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import java.util.Objects;
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import java.util.stream.Stream;
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/*
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* Copyright (C) 2015 LibreCCM Foundation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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/**
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* A editor widget for properties of type {@link LocalizedString}. The widget
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* consists of the following components:
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*
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* <ul>
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* <li>A table displaying a variants of the localised string.</li>
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* <li>An editor for the values.</li>
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* </ul>
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*
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* If the localised string is a single line string, the strings can be edited
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* directly in the table. Otherwise a popup window with a text area is opened.
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*
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*
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* @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
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*/
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public class LocalizedStringEditor extends CustomComponent {
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private static final long serialVersionUID = 1275927615085548961L;
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private static final String COL_LOCALE = "col_locale";
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private static final String COL_VALUE = "col_value";
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private static final String COL_EDIT = "col_edit";
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private static final String COL_REMOVE = "col_remove";
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private final GlobalizationHelper globalizationHelper;
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private boolean multiline;
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private LocalizedString localizedString;
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private final Grid<LocalizedStringValue> grid;
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public LocalizedStringEditor(final GlobalizationHelper globalizationHelper) {
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super();
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this.globalizationHelper = globalizationHelper;
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multiline = false;
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grid = new Grid<>();
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grid.setDataProvider(this::fetchValues,
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() -> localizedString.getAvailableLocales().size());
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grid.addColumn(LocalizedStringValue::getLocaleLabel)
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.setCaption("Language")
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.setId(COL_LOCALE);
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}
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public LocalizedStringEditor(final LocalizedString localizedString,
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final GlobalizationHelper globalizationHelper) {
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this(globalizationHelper);
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this.localizedString = localizedString;
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multiline = false;
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}
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public LocalizedStringEditor(final boolean multiline,
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final GlobalizationHelper globalizationHelper) {
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this(globalizationHelper);
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this.multiline = multiline;
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}
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public LocalizedStringEditor(final LocalizedString localizedString,
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final boolean multiline,
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final GlobalizationHelper globalizationHelper) {
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this(globalizationHelper);
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this.localizedString = localizedString;
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this.multiline = multiline;
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}
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public boolean isMultiline() {
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return multiline;
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}
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public void setMultiline(final boolean multiline) {
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this.multiline = multiline;
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}
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public LocalizedString getLocalizedString() {
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return localizedString;
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}
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public void setLocalizedString(final LocalizedString localizedString) {
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this.localizedString = localizedString;
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}
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private class LocalizedStringValue {
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private Locale locale;
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private String value;
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public LocalizedStringValue(final Locale locale,
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final String value) {
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this.locale = locale;
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this.value = value;
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}
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public Locale getLocale() {
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return locale;
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}
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public String getLocaleLabel() {
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return locale
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.getDisplayName(globalizationHelper.getNegotiatedLocale());
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}
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public void setLocale(final Locale locale) {
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this.locale = locale;
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}
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public String getValue() {
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return value;
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}
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public String getText() {
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if (multiline) {
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final String withoutHtml = value
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.replaceAll("<[\\w/]*>", " ")
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.replaceAll("\\s{2,}", " ").trim();
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return String.format("%s...", withoutHtml.substring(0, 256));
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} else {
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return value;
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}
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}
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public void setValue(final String value) {
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this.value = value;
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}
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}
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private Stream<LocalizedStringValue> fetchValues(
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final List<QuerySortOrder> sortOrder,
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final int offset,
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final int limit) {
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final List<Locale> locales = new ArrayList<>(localizedString
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.getAvailableLocales());
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locales.sort((locale1, locale2) -> {
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return Objects
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.toString(locale1)
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.compareTo(Objects.toString(locale2));
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});
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locales.subList(offset, limit);
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return locales
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.stream()
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.map(locale -> new LocalizedStringValue(
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locale, localizedString.getValue(locale)));
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}
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}
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