| /******************************************************************************* |
| * 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.debug.internal.ui.sourcelookup; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.debug.core.IStatusHandler; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.ui.sourcelookup.CommonSourceNotFoundEditor; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.ui.dialogs.ElementListSelectionDialog; |
| |
| /** |
| * Status handler to prompt for dupicate source element resolution. |
| * |
| * @since 3.0 |
| */ |
| public class ResolveDuplicatesHandler implements IStatusHandler { |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.IStatusHandler#handleStatus(org.eclipse.core.runtime.IStatus, java.lang.Object) |
| */ |
| public Object handleStatus(IStatus status, Object source) throws CoreException { |
| Object[] args = (Object[])source; |
| List sources = (List) args[1]; |
| return resolveSourceElement(sources); |
| } |
| |
| public Object resolveSourceElement(List sources) { |
| Object file = null; |
| sources = removeSourceNotFoundEditors(sources); |
| if(sources.size() == 1) { |
| return sources.get(0); |
| } else if(sources.size() == 0) { |
| return null; |
| } |
| ElementListSelectionDialog dialog = new ElementListSelectionDialog(DebugUIPlugin.getShell(), new SourceElementLabelProvider()); |
| dialog.setMultipleSelection(false); |
| dialog.setTitle(SourceLookupUIMessages.ResolveDuplicatesHandler_0); |
| dialog.setMessage(SourceLookupUIMessages.ResolveDuplicatesHandler_1); |
| dialog.setElements(sources.toArray()); |
| dialog.open(); |
| if(dialog.getReturnCode() == Window.OK) { |
| file = dialog.getFirstResult(); |
| } |
| return file; |
| } |
| |
| /** |
| * Remove extra source not found editors, if any. |
| * If multiple source not found editors and no "real" source inputs, |
| * return the first source not found editor. |
| * @param sources the list to be filtered |
| * @return the filtered list, may be empty |
| */ |
| private List removeSourceNotFoundEditors(List sources){ |
| Iterator iterator = sources.iterator(); |
| List filteredList = new ArrayList(); |
| Object next; |
| while(iterator.hasNext()) { |
| next = iterator.next(); |
| if (!(next instanceof CommonSourceNotFoundEditor)) { |
| filteredList.add(next); |
| } |
| } |
| if (filteredList.isEmpty() && sources.get(0) != null) { |
| filteredList.add(sources.get(0)); |
| } |
| return filteredList; |
| } |
| } |