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Java > Open Source Codes > org > eclipse > debug > internal > ui > stringsubstitution > IArgumentSelector


1 /*******************************************************************************
2  * Copyright (c) 2000, 2005 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.debug.internal.ui.stringsubstitution;
12
13 import org.eclipse.core.variables.IStringVariable;
14 import org.eclipse.swt.widgets.Shell;
15
16
17 /**
18  * A variable presentation extension can contribute an argument selector
19  * which is use to configure the argument for a string substitution
20  * variable.
21  *
22  * @since 3.0
23  */
24 public interface IArgumentSelector {
25
26     /**
27      * Selects and returns an argument for the given variable,
28      * or <code>null</code> if none.
29      *
30      * @param variable the variable an arugment is being seleted for
31      * @param the shell to create any dialogs on, or <code>null</code> if none
32      * @return argument for the given variable or <code>null</code>
33      * if none
34      */
35     public String JavaDoc selectArgument(IStringVariable variable, Shell shell);
36 }
37
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