net.sf.oreka.tapestry.TableHeader.java Source code

Introduction

Here is the source code for net.sf.oreka.tapestry.TableHeader.java

Source

/*
 * Oreka -- A media capture and retrieval platform
 * 
 * Copyright (C) 2005, orecx LLC
 *
 * http://www.orecx.com
 *
 * This program is free software, distributed under the terms of
 * the GNU General Public License.
 * Please refer to http://www.gnu.org/copyleft/gpl.html
 *
 */

/**
 * 
 */
package net.sf.oreka.tapestry;

import java.util.*;
import org.apache.commons.lang.StringUtils;
import org.apache.log4j.*;
import org.apache.tapestry.*;

public abstract class TableHeader extends BaseComponent {

    static Logger logger = Logger.getLogger(TableHeader.class);

    public abstract TableState getTableState();

    public abstract void setTableState(TableState state);

    //private String columns;
    public abstract String getColumnsCSV();

    public abstract void setColumnsCSV(String columns);

    public List getColumns() {
        String[] columnsArray = StringUtils.split(getColumnsCSV(), ", ");
        //logger.log(Level.INFO, "ColumnsCSV: "+getColumnsCSV());

        List columns = new ArrayList();
        for (int i = 0; i < columnsArray.length; i++) {
            TableColumn column = new TableColumn();
            column.setSortable(true);
            String columnKey = columnsArray[i];
            if (columnsArray[i].charAt(0) == '!') {
                column.setSortable(false);
                columnKey = columnsArray[i].substring(1);
            }
            column.setKey(columnKey);
            String LocalizedMessage = getPage().getMessages().getMessage(columnKey);
            column.setMessage(LocalizedMessage);
            columns.add(column);
        }
        return columns;
    }

    public abstract void setColumn(TableColumn col);

    public abstract TableColumn getColumn();

    /**
     * 
     */
    public TableHeader() {
    }

    public void columnClickAction(IRequestCycle cycle) {

        Object[] parameters = cycle.getServiceParameters();
        String column = (String) parameters[0];
        if (!column.equals(getTableState().getOrderBy())) {
            getTableState().setOrderBy(column);
            getTableState().setAscending(true);
        } else {
            // Toggle direction
            getTableState().setAscending(!getTableState().isAscending());
        }
        setTableState(getTableState());
    }
}