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/*******************************************************************************
* 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 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.command.internal.env.core.selection;
/**
* This class stores a list strings along with a selectionIndex which
* stores the current string that selected. There is also a selection
* value. If this value is one of the strings in the the string list
* then selectionIndex will contain the index of this string. If it
* is not in the list then the selectionValue string will contain this
* value and selectionIndex will be set to -1. This class can be
* used to store the state data for a Combo box.
*/
public class SelectionList
{
private int selectionIndex_;
private String[] list_;
private String selectionValue_;
public SelectionList( String[] list, int selectionIndex )
{
list_ = list;
selectionIndex_ = selectionIndex;
}
/**
* Sets the selection value for this object.
*
* @param value the value.
*/
public void setSelectionValue( String value )
{
selectionValue_ = value;
selectionIndex_ = -1;
for( int index = 0; index < list_.length; index++ )
{
if( value.equals( list_[index] ) )
{
selectionIndex_ = index;
break;
}
}
}
/*
* @return returns the string list.
*/
public String[] getList()
{
return list_;
}
/*
* Sets the currently selected string in the list.
*/
public void setIndex( int index )
{
selectionIndex_ = index;
selectionValue_ = null;
}
/*
* @return returns the index of the current string. The value
* will be -1 if the selection value is not in the string list.
*/
public int getIndex()
{
return selectionIndex_;
}
/*
* @return returns the current string selection for this object.
*/
public String getSelection()
{
if( selectionValue_ != null ) return selectionValue_;
if( selectionIndex_ == -1 || selectionIndex_ > list_.length-1 )
{
return "";
}
else
{
return list_[ selectionIndex_ ];
}
}
}
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