| 1 | // Copyright 2004-2007 Jean-Francois Poilpret |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package net.sourceforge.hivegui.component; |
| 16 | |
| 17 | import java.util.regex.Matcher; |
| 18 | import java.util.regex.Pattern; |
| 19 | |
| 20 | import javax.swing.AbstractButton; |
| 21 | |
| 22 | /** |
| 23 | * Provides miscellaneous utility functions for handling Swing components. |
| 24 | * There is no need to instantiate this class since it only provides |
| 25 | * static methods. |
| 26 | * @author Jean-Francois Poilpret |
| 27 | */ |
| 28 | public class ComponentTools |
| 29 | { |
| 30 | protected ComponentTools() |
| 31 | { |
| 32 | } |
| 33 | |
| 34 | public static void setMnemonic(AbstractButton component, String label) |
| 35 | { |
| 36 | // Find '_' in label and remove |
| 37 | Matcher matcher = _pattern.matcher(label); |
| 38 | if (!matcher.find()) |
| 39 | { |
| 40 | component.setText(label); |
| 41 | } |
| 42 | else |
| 43 | { |
| 44 | String realLabel = matcher.replaceFirst(""); |
| 45 | int index = matcher.start(); |
| 46 | component.setText(realLabel); |
| 47 | component.setMnemonic(realLabel.charAt(index)); |
| 48 | component.setDisplayedMnemonicIndex(index); |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | static private final String MNEMONIC_MARKER = "_"; |
| 53 | static private final Pattern _pattern = Pattern.compile(MNEMONIC_MARKER); |
| 54 | } |