n3phele.client.presenter.helpers.StyledTextCellRenderer.java Source code

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Here is the source code for n3phele.client.presenter.helpers.StyledTextCellRenderer.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.presenter.helpers;

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 abstract class StyledTextCellRenderer<C> implements SafeHtmlRenderer<C> {
    public interface Template extends SafeHtmlTemplates {
        @Template("<div class='{2}' title='{1}' >{0}</div>")
        SafeHtml text(SafeHtml text, String title, String style);
    }

    protected static Template template;

    protected final String style;

    public StyledTextCellRenderer(String style) {
        if (template == null)
            template = GWT.create(Template.class);
        this.style = style;
    }

    public SafeHtml render(C object) {
        String name = this.getValue(object);
        return template.text(SafeHtmlUtils.fromString(name), getTooltip(object), style);
    }

    public void render(C object, SafeHtmlBuilder appendable) {
        String name = this.getValue(object);
        appendable.append(template.text(SafeHtmlUtils.fromString(name), name, style));
    }

    public abstract String getValue(C object);

    protected String getTooltip(C object) {
        return getValue(object);
    }

}