n3phele.client.widgets.IconTextSafeHtmlRenderer.java Source code

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Here is the source code for n3phele.client.widgets.IconTextSafeHtmlRenderer.java

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/**
 * @author Nigel Cook
 *
 * (C) Copyright 2010-2012. Nigel Cook. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Licensed under the terms described in LICENSE file that accompanied this code, (the "License"); you may not use this file
 * except in compliance with the License. 
 * 
 *  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 n3phele.client.widgets;

import com.google.gwt.core.client.GWT;
import com.google.gwt.safehtml.client.SafeHtmlTemplates;
import com.google.gwt.safehtml.shared.SafeHtml;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;
import com.google.gwt.text.shared.SafeHtmlRenderer;

public class IconTextSafeHtmlRenderer<T extends IconText> implements SafeHtmlRenderer<T> {
    interface Template extends SafeHtmlTemplates {
        @Template("<div style=\"height:{1}px;width:100%;position:relative;padding-left:{2}px;zoom:1;\">"
                + "<div style=\"position:absolute;left:0px;top:50%;height:{1}px;width:{0}px;margin-top:-{5}px;\" >"
                + "{3}" + "</div>"
                + "<div style=\"line-height:{1}px; overflow: hidden; white-space:nowrap;\">{4}</div></div>")
        SafeHtml iconText(int width, int height, int textIndent, SafeHtml Image, SafeHtml text, int halfHeight);
    }

    private static Template template;
    private int iconWidth;
    private int iconHeight;
    private int padding;

    public IconTextSafeHtmlRenderer(int width, int height, int padding) {
        this.iconWidth = width;
        this.iconHeight = height;
        this.padding = padding;
        if (template == null) {
            template = GWT.create(Template.class);
        }
    }

    @Override
    public SafeHtml render(IconText object) {
        //object.getImageHtml();
        if (object == null)
            return SafeHtmlUtils.fromTrustedString("<div></div>");
        else {
            if (object.hasImageHtml()) {
                return template.iconText(this.iconWidth, this.iconHeight, this.iconWidth + padding,
                        object.getImageHtml(), object.getTextHtml(), 1 + (int) Math.round(iconHeight / 2.0));
            } else {
                String s = "<img src=\"" + object.getUrl()
                        + "\" style=\"width:100%;height:100%;no-repeat 0px 0px\" border=\"0\"/>";
                return template.iconText(this.iconWidth, this.iconHeight, this.iconWidth + this.padding,
                        SafeHtmlUtils.fromTrustedString(s), object.getTextHtml(),
                        1 + (int) Math.round(iconHeight / 2.0));
            }
        }
    }

    @Override
    public void render(IconText object, SafeHtmlBuilder builder) {
        builder.append(render(object));

    }

}