1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // RemoveResourceFileAction

    15 //

    16 

    17 

    18 

    19 package com.symbian.smt.gui.smtwidgets.resources;

    20 

    21 import java.util.HashMap;

    22 import java.util.Iterator;

    23 

    24 import org.eclipse.jface.viewers.ISelectionProvider;

    25 import org.eclipse.jface.viewers.IStructuredSelection;

    26 import org.eclipse.jface.viewers.ListViewer;

    27 import org.eclipse.jface.viewers.StructuredSelection;

    28 import org.eclipse.swt.widgets.Button;

    29 

    30 import com.symbian.smt.gui.ResourcesEnums;

    31 import com.symbian.smt.gui.smtwidgets.AbstractMultipleEntriesWidgetAction;

    32 

    33 /**

    34  * This is the action that removes a command line option from the list of

    35  * assigned options.

    36  * 

    37  * @author barbararosi-schwartz

    38  * 

    39  */

    40 class RemoveResourceFileAction extends AbstractMultipleEntriesWidgetAction {

    41 

    42 	private ListViewer resourceTypesViewer;

    43 	private HashMap<ResourcesEnums, java.util.List<CheckableResourceFilename>> resourceFilesMap;

    44 

    45 	RemoveResourceFileAction(

    46 			Button button,

    47 			ISelectionProvider filesViewer,

    48 			HashMap<ResourcesEnums, java.util.List<CheckableResourceFilename>> resourceFilesMap,

    49 			ListViewer resourceTypesViewer) {

    50 		super(filesViewer, "Remove", button);

    51 

    52 		this.resourceFilesMap = resourceFilesMap;

    53 		this.resourceTypesViewer = resourceTypesViewer;

    54 

    55 		setEnabled(false);

    56 	}

    57 

    58 	/**

    59 	 * Removes the selected filename from the model.

    60 	 */

    61 	@Override

    62 	public void run() {

    63 		StructuredSelection ssel = (StructuredSelection) getSelection();

    64 		java.util.List<CheckableResourceFilename> checkableFilenames = ResourcesWidgetHelper

    65 				.getCheckableResourceFilenames(ResourcesWidgetHelper

    66 						.getSelectedResourceType(resourceTypesViewer),

    67 						resourceFilesMap);

    68 

    69 		@SuppressWarnings("unchecked")

    70 		Iterator<CheckableResourceFilename> iter = ssel.iterator();

    71 

    72 		while (iter.hasNext()) {

    73 			CheckableResourceFilename to_be_removed = (CheckableResourceFilename) iter

    74 					.next();

    75 			checkableFilenames.remove(to_be_removed);

    76 		}

    77 	}

    78 

    79 	/**

    80 	 * Enabled if we have at least one selection in the list.

    81 	 */

    82 	@Override

    83 	public void selectionChanged(IStructuredSelection selection) {

    84 		if (selection.isEmpty()) {

    85 			setEnabled(false);

    86 			return;

    87 		}

    88 

    89 		setEnabled(true);

    90 	}

    91 

    92 }