tests/src/org/apache/pivot/tests/TableViewCellRendererCustom.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.pivot.tests;

import org.apache.pivot.json.JSON;
import org.apache.pivot.wtk.content.TableViewCellRenderer;

/**
 * Minimal sample for a customized version of table cell renderer.
 * Renders cell contents as a string, but in this case, transformed.
 * <br/>
 * Note that here it's possible to extends Label implements TableView.CellRenderer,
 * or even to extends directly TableViewCellRenderer
 * (because it extends Label and implements TableView.CellRenderer).
 */
public class TableViewCellRendererCustom extends TableViewCellRenderer {

    @Override
    public String toString(Object row, String columnName) {
        Object cellData = JSON.get(row, columnName);
        String text = (cellData == null) ? null : cellData.toString();
        if (text == null) {
            return text;
        }

        // return new StringBuffer(text).reverse().toString();  // reverse text
        return text.toUpperCase();  // to upper text
    }

}