Java tutorial
/** * This file is part of mycollab-web. * * mycollab-web is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * mycollab-web is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with mycollab-web. If not, see <http://www.gnu.org/licenses/>. */ package com.esofthead.mycollab.vaadin.ui; import com.esofthead.mycollab.core.utils.TimezoneMapper; import com.esofthead.mycollab.core.utils.TimezoneMapper.TimezoneExt; import com.vaadin.data.Property; import com.vaadin.ui.Component; import com.vaadin.ui.CustomField; import org.vaadin.maddon.layouts.MHorizontalLayout; import org.vaadin.maddon.layouts.MVerticalLayout; import java.util.ArrayList; import java.util.List; /** * * @author MyCollab Ltd. * @since 1.0 * */ @SuppressWarnings("serial") public class TimeZoneSelectionField extends CustomField<String> { private boolean isVerticalDisplay = true; private ValueComboBox comboArea; private ValueComboBox comboTimezone; private List<String> lstLimeZoneArea = new ArrayList<>(); public TimeZoneSelectionField(boolean isVerticalDisplay) { this.isVerticalDisplay = isVerticalDisplay; comboArea = new ValueComboBox(false, TimezoneMapper.AREAS); comboArea.addValueChangeListener(new Property.ValueChangeListener() { @Override public void valueChange(com.vaadin.data.Property.ValueChangeEvent event) { lstLimeZoneArea.clear(); setCboTimeZone(event.getProperty().getValue().toString().trim()); } }); for (TimezoneExt timezone : TimezoneMapper.timeMap.values()) { if (timezone.getArea().equals(comboArea.getValue())) { lstLimeZoneArea.add(timezone.getDisplayName()); } } String[] arrayTimezone = lstLimeZoneArea.toArray(new String[lstLimeZoneArea.size()]); comboTimezone = new ValueComboBox(false, arrayTimezone); } @Override protected Component initContent() { if (isVerticalDisplay) { MVerticalLayout layout = new MVerticalLayout().withMargin(false); layout.with(comboArea, comboTimezone); return layout; } else { MHorizontalLayout layout = new MHorizontalLayout(); layout.with(comboArea, comboTimezone); return layout; } } private void setCboTimeZone(String area) { for (TimezoneExt timezone : TimezoneMapper.timeMap.values()) { if (timezone.getArea().trim().equals(area)) { lstLimeZoneArea.add(timezone.getDisplayName()); } } comboTimezone.removeAllItems(); String[] arrayTimezone = lstLimeZoneArea.toArray(new String[lstLimeZoneArea.size()]); comboTimezone.loadData(arrayTimezone); } public void setTimeZone(TimezoneExt timeZone) { if (timeZone != null && !timeZone.getArea().equals("")) { comboArea.select(timeZone.getArea()); setCboTimeZone(timeZone.getArea()); comboTimezone.select(timeZone.getDisplayName()); } } public TimezoneExt getTimeZone() { for (TimezoneExt timezone : TimezoneMapper.timeMap.values()) { if (timezone.getDisplayName().trim().equals(comboTimezone.getValue())) { return timezone; } } return null; } @Override public Class<String> getType() { return String.class; } }