| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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 com.intellij.uiDesigner.core; |
| |
| import javax.swing.*; |
| import java.lang.reflect.Method; |
| |
| /** |
| * @author Vladimir Kondratyev |
| */ |
| public final class SupportCode { |
| /** |
| * Parses text that might contain mnemonic and returns structure which contains |
| * plain text and index of mnemonic char (if any) |
| */ |
| public static TextWithMnemonic parseText(final String textWithMnemonic){ |
| if(textWithMnemonic == null){ |
| throw new IllegalArgumentException("textWithMnemonic cannot be null"); |
| } |
| // Parsing is copied from Presentation.setText(String, boolean) |
| int index = -1; |
| final StringBuffer plainText = new StringBuffer(); |
| for(int i = 0; i < textWithMnemonic.length(); i++){ |
| char ch = textWithMnemonic.charAt(i); |
| if (ch == '&'){ |
| i++; |
| if (i >= textWithMnemonic.length()){ |
| break; |
| } |
| ch = textWithMnemonic.charAt(i); |
| if (ch != '&'){ |
| index = plainText.length(); |
| } |
| } |
| plainText.append(ch); |
| } |
| |
| return new TextWithMnemonic(plainText.toString(), index); |
| } |
| |
| public static final class TextWithMnemonic{ |
| /** |
| * Plain text |
| */ |
| public final String myText; |
| /** |
| * Index of mnemonic char. -1 means that text doesn't contain mnemonic char |
| */ |
| public final int myMnemonicIndex; |
| |
| private TextWithMnemonic(final String text, final int index){ |
| if(text == null){ |
| throw new IllegalArgumentException("text cannot be null"); |
| } |
| if(index != -1 && (index < 0 || index >= text.length() )){ |
| throw new IllegalArgumentException("wrong index: " + index + "; text = '" + text + "'"); |
| } |
| myText = text; |
| myMnemonicIndex = index; |
| } |
| |
| public char getMnemonicChar(){ |
| if(myMnemonicIndex == -1){ |
| throw new IllegalStateException("text doesn't contain mnemonic"); |
| } |
| return Character.toUpperCase(myText.charAt(myMnemonicIndex)); |
| } |
| } |
| |
| /** |
| * For JDK 1.3 compatibility. |
| * Used in generated byte code. |
| */ |
| public static void setDisplayedMnemonicIndex(JComponent component, int index) { |
| try { |
| Method method = component.getClass().getMethod("setDisplayedMnemonicIndex", new Class[]{int.class}); |
| method.setAccessible(true); |
| method.invoke(component, new Object[]{new Integer(index)}); |
| } |
| catch (Exception e) { |
| // JDK earlier than 1.4 - do nothing |
| } |
| } |
| } |