| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.refactoring.nls; |
| |
| import java.util.List; |
| |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Shell; |
| |
| import org.eclipse.jface.dialogs.StatusDialog; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.nls.NLSSubstitution; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringDialogField; |
| |
| /** |
| * |
| */ |
| public class RenameKeysDialog extends StatusDialog { |
| |
| private StringDialogField fNameField; |
| private List fSelectedSubstitutions; |
| private int fCommonPrefixLength; |
| |
| /** |
| * @param parent |
| */ |
| public RenameKeysDialog(Shell parent, List selectedSubstitutions) { |
| super(parent); |
| setTitle(NLSUIMessages.RenameKeysDialog_title); |
| |
| fSelectedSubstitutions= selectedSubstitutions; |
| String prefix= getInitialPrefix(selectedSubstitutions); |
| fCommonPrefixLength= prefix.length(); |
| |
| fNameField= new StringDialogField(); |
| fNameField.setText(prefix); |
| |
| if (prefix.length() == 0) { |
| fNameField.setLabelText(NLSUIMessages.RenameKeysDialog_description_noprefix); |
| } else { |
| fNameField.setLabelText(NLSUIMessages.RenameKeysDialog_description_withprefix + prefix + ':'); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite) |
| */ |
| protected Control createDialogArea(Composite parent) { |
| Composite composite= (Composite) super.createDialogArea(parent); |
| |
| fNameField.doFillIntoGrid(composite, 2); |
| LayoutUtil.setHorizontalGrabbing(fNameField.getTextControl(null)); |
| return composite; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.Dialog#okPressed() |
| */ |
| protected void okPressed() { |
| String prefix= fNameField.getText(); |
| for (int i= 0; i < fSelectedSubstitutions.size(); i++) { |
| NLSSubstitution sub= (NLSSubstitution) fSelectedSubstitutions.get(i); |
| String newKey= prefix + sub.getKey().substring(fCommonPrefixLength); |
| sub.setKey(newKey); |
| } |
| super.okPressed(); |
| } |
| |
| private String getInitialPrefix(List selectedSubstitutions) { |
| String prefix= null; |
| for (int i= 0; i < selectedSubstitutions.size(); i++) { |
| NLSSubstitution sub= (NLSSubstitution) selectedSubstitutions.get(i); |
| String curr= sub.getKey(); |
| if (prefix == null) { |
| prefix= curr; |
| } else if (!curr.startsWith(prefix)) { |
| prefix= getCommonPrefix(prefix, curr); |
| if (prefix.length() == 0) { |
| return prefix; |
| } |
| } |
| } |
| return prefix; |
| } |
| |
| private String getCommonPrefix(String a, String b) { |
| String shorter= a.length() <= b.length() ? a : b; |
| int len= shorter.length(); |
| for (int i= 0; i < len; i++) { |
| if (a.charAt(i) != b.charAt(i)) { |
| return a.substring(0, i); |
| } |
| } |
| return shorter; |
| } |
| |
| |
| } |