com.google.gwt.cell.client.ImageResourceCell.java Source code

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Here is the source code for com.google.gwt.cell.client.ImageResourceCell.java

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/*
 * Copyright 2010 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.cell.client;

import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.user.client.ui.ImageResourceRenderer;

/**
 * An {@link AbstractCell} used to render an {@link ImageResource}.
 */
public class ImageResourceCell extends AbstractCell<ImageResource> {
    private static ImageResourceRenderer renderer;

    /**
     * Construct a new ImageResourceCell.
     */
    public ImageResourceCell() {
        if (renderer == null) {
            renderer = new ImageResourceRenderer();
        }
    }

    @Override
    public void render(Context context, ImageResource value, SafeHtmlBuilder sb) {
        if (value != null) {
            sb.append(renderer.render(value));
        }
    }
}