org.rstudio.core.client.widget.Base64ImageCell.java Source code

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Here is the source code for org.rstudio.core.client.widget.Base64ImageCell.java

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/*
 * Base64ImageCell.java
 *
 * Copyright (C) 2009-16 by RStudio, Inc.
 *
 * Unless you have received this program directly from RStudio pursuant
 * to the terms of a commercial license agreement with RStudio, then
 * this program is licensed to you under the terms of version 3 of the
 * GNU Affero General Public License. This program is distributed WITHOUT
 * ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
 * AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
 *
 */

package org.rstudio.core.client.widget;

import com.google.gwt.cell.client.AbstractCell;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;

public class Base64ImageCell extends AbstractCell<String> {
    public Base64ImageCell() {
        width_ = 0;
        height_ = 0;
    }

    public Base64ImageCell(int width, int height) {
        width_ = width;
        height_ = height;
    }

    @Override
    public void render(com.google.gwt.cell.client.Cell.Context ctx, String value, SafeHtmlBuilder builder) {
        if (value != null) {
            builder.appendHtmlConstant("<img src=\"" + value + "\"");
            // apply width and height if specified
            if (width_ > 0)
                builder.appendHtmlConstant(" width=\"" + width_ + "\"");
            if (height_ > 0)
                builder.appendHtmlConstant(" height=\"" + height_ + "\"");
            builder.appendHtmlConstant("/>");
        }
    }

    private final int width_;
    private final int height_;
}