org.pepstock.jem.gwt.client.panels.gfs.commons.FilesTable.java Source code

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Here is the source code for org.pepstock.jem.gwt.client.panels.gfs.commons.FilesTable.java

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/**
JEM, the BEE - Job Entry Manager, the Batch Execution Environment
Copyright (C) 2012-2015   Andrea "Stock" Stocchero
This program 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
any later version.
    
This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package org.pepstock.jem.gwt.client.panels.gfs.commons;

import java.util.Date;

import org.pepstock.jem.gfs.GfsFile;
import org.pepstock.jem.gwt.client.commons.AbstractTable;
import org.pepstock.jem.gwt.client.commons.FileSystemTableStyle;
import org.pepstock.jem.gwt.client.commons.IndexedColumnComparator;
import org.pepstock.jem.gwt.client.commons.JemConstants;

import com.google.gwt.core.client.GWT;
import com.google.gwt.i18n.client.NumberFormat;
import com.google.gwt.user.cellview.client.CellTable;
import com.google.gwt.user.cellview.client.CellTable.Resources;
import com.google.gwt.user.cellview.client.Column;
import com.google.gwt.user.cellview.client.TextColumn;

/**
 * Creates all columns to show into table, defening the sorter too.
 * 
 * @author Andrea "Stock" Stocchero
 * @version 1.0   
 *
 */
public abstract class FilesTable extends AbstractTable<GfsFile> {

    /**
     *  Empty constructor with default style
     * @param preferenceKey preference key to extract previous choice
     */
    public FilesTable() {
        super((Resources) GWT.create(FileSystemTableStyle.class), Integer.MAX_VALUE);
    }

    /**
     * Abstract to implement
     */
    @Override
    public final IndexedColumnComparator<GfsFile> initCellTable(CellTable<GfsFile> table) {
        loadCellTable(table);
        return getIndexedColumnComparator();
    }

    /**
     * @return index column comparator for sorting
     */
    public abstract IndexedColumnComparator<GfsFile> getIndexedColumnComparator();

    /**
     * Adds all columns to table, defining the sort columns too.
     * @param table table to show
     */
    public void loadCellTable(CellTable<GfsFile> table) {

        /*-------------------------+
         | Name      |
         +-------------------------*/
        // construct a column that uses anchorRenderer
        Column<GfsFile, GfsFile> name = null;
        if (isOverviewOnly()) {
            name = new FolderLinkTextColumn() {

                @Override
                public void onClick(int index, GfsFile object) {
                    getInspectListener().inspect(object);
                }
            };
            name.setSortable(true);
            table.addColumn(name, "Name");

        } else {
            name = new FullLinkTextColumn() {

                @Override
                public void onClick(int index, GfsFile object) {
                    getInspectListener().inspect(object);
                }
            };
            name.setSortable(true);
            table.addColumn(name, "Name");
        }

        /*-------------------------+
         | Size  in bytes          |
         +-------------------------*/
        TextColumn<GfsFile> size = new TextColumn<GfsFile>() {
            @Override
            public String getValue(GfsFile memberSample) {
                long size = memberSample.getLength();
                if (size >= 0) {
                    return NumberFormat.getFormat("###,###,###,###,###,##0").format(size);
                } else {
                    return "";
                }
            }
        };
        size.setSortable(true);
        table.addColumn(size, "Size (bytes)");

        TextColumn<GfsFile> lastMod = new TextColumn<GfsFile>() {
            @Override
            public String getValue(GfsFile file) {
                return JemConstants.DATE_TIME_FULL.format(new Date(file.getLastModified()));
            }
        };
        lastMod.setSortable(true);
        table.addColumn(lastMod, "Last modified");
    }

    /**
     * @return
     */
    public abstract boolean isOverviewOnly();
}