Java tutorial
/** * The contents of this file are subject to the license and copyright * detailed in the LICENSE file at the root of the source * tree and available online at * * https://github.com/keeps/roda */ package org.roda.wui.client.common.lists; import java.util.Arrays; import java.util.HashMap; import java.util.List; import java.util.Map; import org.roda.core.data.common.RodaConstants; import org.roda.core.data.v2.index.facet.Facets; import org.roda.core.data.v2.index.filter.Filter; import org.roda.core.data.v2.index.sort.Sorter; import org.roda.core.data.v2.ip.IndexedAIP; import org.roda.wui.client.common.lists.utils.BasicAsyncTableCell; import org.roda.wui.common.client.ClientLogger; import org.roda.wui.common.client.tools.DescriptionLevelUtils; import org.roda.wui.common.client.tools.Humanize; import com.google.gwt.cell.client.SafeHtmlCell; import com.google.gwt.core.client.GWT; import com.google.gwt.dom.client.Style.Unit; import com.google.gwt.safehtml.shared.SafeHtml; import com.google.gwt.safehtml.shared.SafeHtmlUtils; import com.google.gwt.user.cellview.client.CellTable; import com.google.gwt.user.cellview.client.Column; import com.google.gwt.user.cellview.client.ColumnSortList; import com.google.gwt.user.cellview.client.ColumnSortList.ColumnSortInfo; import com.google.gwt.user.cellview.client.TextColumn; import com.google.gwt.user.client.ui.Label; import config.i18n.client.ClientMessages; public class AIPList extends BasicAsyncTableCell<IndexedAIP> { private final ClientLogger logger = new ClientLogger(getClass().getName()); private static final ClientMessages messages = GWT.create(ClientMessages.class); private static final SafeHtml HAS_REPRESENTATIONS_ICON = SafeHtmlUtils.fromSafeConstant( "<i class='fa fa-paperclip' title='" + messages.aipHasRepresentations() + "' aria-hidden='true'></i>"); private Column<IndexedAIP, SafeHtml> levelColumn; private TextColumn<IndexedAIP> titleColumn; private TextColumn<IndexedAIP> datesColumn; private Column<IndexedAIP, SafeHtml> hasRepresentationsColumn; private static final List<String> fieldsToReturn = Arrays.asList(RodaConstants.INDEX_UUID, RodaConstants.AIP_LEVEL, RodaConstants.AIP_TITLE, RodaConstants.AIP_DATE_INITIAL, RodaConstants.AIP_DATE_FINAL, RodaConstants.AIP_HAS_REPRESENTATIONS); public AIPList() { this(null, false, null, null, false); } public AIPList(Filter filter, boolean justActive, Facets facets, String summary, boolean selectable) { super(IndexedAIP.class, filter, justActive, facets, summary, selectable, fieldsToReturn); } public AIPList(Filter filter, boolean justActive, Facets facets, String summary, boolean selectable, int initialPageSize, int pageSizeIncrement) { super(IndexedAIP.class, filter, justActive, facets, summary, selectable, initialPageSize, pageSizeIncrement, fieldsToReturn); } @Override protected void configureDisplay(CellTable<IndexedAIP> display) { levelColumn = new Column<IndexedAIP, SafeHtml>(new SafeHtmlCell()) { @Override public SafeHtml getValue(IndexedAIP aip) { SafeHtml ret; if (aip == null) { logger.error("Trying to display a NULL item"); ret = null; } else { ret = DescriptionLevelUtils.getElementLevelIconSafeHtml(aip.getLevel(), true); } return ret; } }; titleColumn = new TextColumn<IndexedAIP>() { @Override public String getValue(IndexedAIP aip) { return aip != null ? aip.getTitle() : null; } }; datesColumn = new TextColumn<IndexedAIP>() { @Override public String getValue(IndexedAIP aip) { return Humanize.getDatesText(aip.getDateInitial(), aip.getDateFinal(), false); } }; hasRepresentationsColumn = new Column<IndexedAIP, SafeHtml>(new SafeHtmlCell()) { @Override public SafeHtml getValue(IndexedAIP aip) { SafeHtml ret; if (aip == null) { logger.error("Trying to display a NULL item"); ret = null; } else if (aip.getHasRepresentations()) { // TODO set title and aria ret = HAS_REPRESENTATIONS_ICON; } else { ret = null; } return ret; } }; levelColumn.setSortable(true); titleColumn.setSortable(true); datesColumn.setSortable(true); hasRepresentationsColumn.setSortable(true); display.addColumn(levelColumn, SafeHtmlUtils.fromSafeConstant("<i class='fa fa-tag'></i> " + messages.aipLevel())); display.addColumn(titleColumn, messages.aipGenericTitle()); display.addColumn(datesColumn, messages.aipDates()); display.addColumn(hasRepresentationsColumn, HAS_REPRESENTATIONS_ICON); Label emptyInfo = new Label(messages.noItemsToDisplay()); display.setEmptyTableWidget(emptyInfo); // define default sorting display.getColumnSortList().push(new ColumnSortInfo(datesColumn, true)); display.setColumnWidth(levelColumn, 7.0, Unit.EM); display.setColumnWidth(datesColumn, 13.0, Unit.EM); display.setColumnWidth(hasRepresentationsColumn, 3.0, Unit.EM); levelColumn.setCellStyleNames("nowrap"); datesColumn.setCellStyleNames("nowrap"); addStyleName("my-collections-table"); emptyInfo.addStyleName("my-collections-empty-info"); } @Override protected Sorter getSorter(ColumnSortList columnSortList) { Map<Column<IndexedAIP, ?>, List<String>> columnSortingKeyMap = new HashMap<>(); // setting secondary sorter to title columnSortingKeyMap.put(levelColumn, Arrays.asList(RodaConstants.AIP_LEVEL, RodaConstants.AIP_TITLE_SORT)); columnSortingKeyMap.put(titleColumn, Arrays.asList(RodaConstants.AIP_TITLE_SORT)); columnSortingKeyMap.put(datesColumn, Arrays.asList(RodaConstants.AIP_DATE_INITIAL, RodaConstants.AIP_DATE_FINAL, RodaConstants.AIP_TITLE_SORT)); columnSortingKeyMap.put(hasRepresentationsColumn, Arrays.asList(RodaConstants.AIP_HAS_REPRESENTATIONS, RodaConstants.AIP_TITLE_SORT)); return createSorter(columnSortList, columnSortingKeyMap); } }