001    /*
002     *  Copyright 2012 GWT-Bootstrap
003     *
004     *  Licensed under the Apache License, Version 2.0 (the "License");
005     *  you may not use this file except in compliance with the License.
006     *  You may obtain a copy of the License at
007     *
008     *      http://www.apache.org/licenses/LICENSE-2.0
009     *
010     *  Unless required by applicable law or agreed to in writing, software
011     *  distributed under the License is distributed on an "AS IS" BASIS,
012     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     *  See the License for the specific language governing permissions and
014     *  limitations under the License.
015     */
016    package com.github.gwtbootstrap.client.ui;
017    
018    import com.github.gwtbootstrap.client.ui.base.AlertBase;
019    
020    /**
021     * Simple Alert widget that uses bold text as a heading.
022     * <p>
023     * <h3>UiBinder Usage:</h3>
024     * <code>{@code <b:Alert heading="Warning." type="ERROR">Something went wrong...</b:Alert>}</code>
025     * </p>
026     * <p>
027     * All parameters are optional and map to the class's setters.
028     * </p>
029     * 
030     * @since 2.0.4.0
031     * 
032     * @author Dominik Mayer
033     * 
034     * @see AlertBlock
035     * @see <a
036     *      href="http://twitter.github.com/bootstrap/components.html#alerts">Bootstrap
037     *      documentation</a>
038     */
039    public class Alert extends AlertBase {
040    
041            
042            public Alert() {
043                    super("");
044            }
045            
046            public Alert(String html) {
047                    super(html);
048            }
049            
050            /**
051             * Sets the text of an optional heading. It is wrapped in {@code <strong>}
052             * tags and placed before the text.
053             */
054            @Override
055            public void setHeading(String text) {
056                    if (text == null || text.isEmpty())
057                            super.setHeading("");
058                    else
059                            super.setHeading("<strong>" + text + "</strong> ");
060            }
061    }