| /******************************************************************************* |
| * Copyright (c) 2004, 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.wst.command.internal.env.core.selection; |
| |
| import java.util.Vector; |
| |
| /** |
| * This is a Dynamic version of the SelectionListChoices class. |
| */ |
| public class DynamicList |
| { |
| private Vector stringList_ = new Vector(); |
| private Vector dynamicListVectorList_ = new Vector(); |
| |
| /** |
| * Adds an entry into the dynamic list. |
| * |
| * @param values the string values that lead to the target. |
| * @param target the target. |
| */ |
| public void add( String[] values, Object target ) |
| { |
| DynamicList currentList = this; |
| |
| for( int index = 0; index < values.length; index++ ) |
| { |
| String value = values[index]; |
| int length = currentList.stringList_.size(); |
| int foundIndex = -1; |
| |
| // Find the string in the current list. |
| for( int searchIndex = 0; searchIndex < length; searchIndex++ ) |
| { |
| String string = (String)currentList.stringList_.elementAt( searchIndex ); |
| |
| if( string.equals( value ) ) |
| { |
| foundIndex = searchIndex; |
| break; |
| } |
| } |
| |
| if( foundIndex == -1 ) |
| { |
| // We have a new string so add it to the list. |
| currentList.stringList_.add( value ); |
| currentList.dynamicListVectorList_.add( new DynamicList() ); |
| foundIndex = length; |
| } |
| |
| currentList = (DynamicList)currentList.dynamicListVectorList_.elementAt( foundIndex ); |
| } |
| |
| currentList.dynamicListVectorList_.add( target ); |
| } |
| |
| /** |
| * |
| * @return returns a SelectionListChoices object from this DynamicList |
| * object. |
| */ |
| public SelectionListChoices toListChoices() |
| { |
| SelectionList list = new SelectionList( (String[])stringList_.toArray( new String[0] ), 0); |
| int length = dynamicListVectorList_.size(); |
| Vector vector = new Vector(); |
| |
| for( int index = 0; index < length; index++ ) |
| { |
| Object obj = dynamicListVectorList_.elementAt(index); |
| |
| if( obj instanceof DynamicList ) |
| { |
| vector.add( ((DynamicList)obj).toListChoices() ); |
| } |
| else |
| { |
| vector.add( obj ); |
| } |
| } |
| |
| return new SelectionListChoices( list, vector ); |
| } |
| } |