com.google.gwt.gen2.table.client.DefaultRowRenderer.java Source code

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Here is the source code for com.google.gwt.gen2.table.client.DefaultRowRenderer.java

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/*
 * Copyright 2008 Google Inc.
 * 
 * Licensed 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 com.google.gwt.gen2.table.client;

import com.google.gwt.gen2.table.client.TableDefinition.AbstractRowView;

/**
 * The default {@link RowRenderer} used by the {@link DefaultTableDefinition}
 * when the user does not specify one.
 * 
 * @param <RowType> the type of the row value
 */
public class DefaultRowRenderer<RowType> implements RowRenderer<RowType> {
    /**
     * The alternating colors to apply to the rows.
     */
    private String[] rowColors;

    /**
     * Construct a new {@link DefaultRowRenderer}.
     */
    public DefaultRowRenderer() {
        this(null);
    }

    /**
     * Construct a new {@link DefaultRowRenderer}.
     * 
     * @param rowColors an array of alternating colors to apply to the rows
     */
    public DefaultRowRenderer(String[] rowColors) {
        this.rowColors = rowColors;
    }

    public void renderRowValue(RowType rowValue, AbstractRowView<RowType> view) {
        if (rowColors != null) {
            int index = view.getRowIndex() % rowColors.length;
            view.setStyleAttribute("background", rowColors[index]);
        }
    }
}