001    /*
002     * Copyright 2006 Mat Gessel <mat.gessel@gmail.com>
003     * 
004     * Licensed under the Apache License, Version 2.0 (the "License"); you may not
005     * use this file except in compliance with the License. You may obtain a copy of
006     * 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, WITHOUT
012     * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
013     * License for the specific language governing permissions and limitations under
014     * the License.
015     */
016    package asquare.gwt.tk.client.ui.commands;
017    
018    import com.google.gwt.user.client.Command;
019    import com.google.gwt.user.client.ui.TextBoxBase;
020    
021    /**
022     * Selects all the text in a widget. 
023     * 
024     * @see com.google.gwt.user.client.DeferredCommand#add(com.google.gwt.user.client.Command)
025     */
026    public class SelectAllCommand implements Command
027    {
028            private final TextBoxBase m_textBox;
029            
030            public SelectAllCommand(TextBoxBase textBox)
031            {
032                    m_textBox = textBox;
033            }
034            
035            public void execute()
036            {
037                    String text = m_textBox.getText();
038                    int length = (text != null) ? text.length() : 0;
039                    if (length > 0 && m_textBox.getSelectionLength() < length)
040                    {
041                            m_textBox.setSelectionRange(0, length);
042                    }
043            }
044    }