org.roda.wui.client.common.lists.DIPFileList.java Source code

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Here is the source code for org.roda.wui.client.common.lists.DIPFileList.java

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/**
 * 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.DIPFile;
import org.roda.wui.client.common.lists.utils.BasicAsyncTableCell;
import org.roda.wui.common.client.ClientLogger;

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 DIPFileList extends BasicAsyncTableCell<DIPFile> {

    private final ClientLogger logger = new ClientLogger(getClass().getName());
    private static final ClientMessages messages = GWT.create(ClientMessages.class);

    private Column<DIPFile, SafeHtml> iconColumn;
    private TextColumn<DIPFile> idColumn;

    private static final List<String> fieldsToReturn = Arrays.asList(RodaConstants.INDEX_UUID,
            RodaConstants.DIPFILE_IS_DIRECTORY, RodaConstants.DIPFILE_ID, RodaConstants.DIPFILE_DIP_ID);

    public DIPFileList() {
        this(null, null, null, false);
    }

    public DIPFileList(Filter filter, Facets facets, String summary, boolean selectable) {
        super(DIPFile.class, filter, facets, summary, selectable, fieldsToReturn);
    }

    public DIPFileList(Filter filter, Facets facets, String summary, boolean selectable, int initialPageSize,
            int pageSizeIncrement) {
        super(DIPFile.class, filter, facets, summary, selectable, initialPageSize, pageSizeIncrement,
                fieldsToReturn);
    }

    @Override
    protected void configureDisplay(CellTable<DIPFile> display) {

        iconColumn = new Column<DIPFile, SafeHtml>(new SafeHtmlCell()) {

            @Override
            public SafeHtml getValue(DIPFile file) {
                if (file != null) {
                    if (file.isDirectory()) {
                        return SafeHtmlUtils.fromSafeConstant("<i class='fa fa-folder-o'></i>");
                    } else {
                        return SafeHtmlUtils.fromSafeConstant("<i class='fa fa-file-o'></i>");
                    }
                } else {
                    logger.error("Trying to display a NULL item");
                }
                return null;
            }
        };

        idColumn = new TextColumn<DIPFile>() {

            @Override
            public String getValue(DIPFile file) {
                return file != null ? file.getId() : null;
            }
        };

        iconColumn.setSortable(true);
        idColumn.setSortable(true);

        addColumn(iconColumn, SafeHtmlUtils.fromSafeConstant("<i class='fa fa-files-o'></i>"), false, false, 2);
        display.addColumn(idColumn, messages.fileName());

        Label emptyInfo = new Label(messages.noItemsToDisplay());
        display.setEmptyTableWidget(emptyInfo);

        // define default sorting
        display.getColumnSortList().push(new ColumnSortInfo(idColumn, true));
        display.setColumnWidth(iconColumn, 2.5, Unit.EM);

        addStyleName("my-collections-table");
        emptyInfo.addStyleName("my-collections-empty-info");
    }

    @Override
    protected Sorter getSorter(ColumnSortList columnSortList) {
        Map<Column<DIPFile, ?>, List<String>> columnSortingKeyMap = new HashMap<>();
        // setting secondary sorter to title
        columnSortingKeyMap.put(iconColumn, Arrays.asList(RodaConstants.DIPFILE_IS_DIRECTORY));
        columnSortingKeyMap.put(idColumn, Arrays.asList(RodaConstants.DIPFILE_ID));
        return createSorter(columnSortList, columnSortingKeyMap);
    }

}