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 // MoveResourceFileDownAction

    15 //

    16 

    17 

    18 

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

    20 

    21 import java.util.HashMap;

    22 

    23 import org.eclipse.jface.viewers.CheckboxTableViewer;

    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 moves a command line option up by one position in the

    35  * list of assigned options.

    36  * 

    37  * @author barbararosi-schwartz

    38  * 

    39  */

    40 class MoveResourceFileUpAction extends AbstractMultipleEntriesWidgetAction {

    41 

    42 	private CheckboxTableViewer resourceFilesViewer;

    43 	private ListViewer resourceTypesViewer;

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

    45 

    46 	/**

    47 	 * The option that has been moved by the user

    48 	 */

    49 	private CheckableResourceFilename movedCheckableFilename = null;

    50 

    51 	MoveResourceFileUpAction(

    52 			Button button,

    53 			ISelectionProvider filesViewer,

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

    55 			ListViewer resourceTypesViewer) {

    56 		super(filesViewer, "Move Up", button);

    57 

    58 		this.resourceFilesViewer = (CheckboxTableViewer) filesViewer;

    59 		this.resourceFilesMap = resourceFilesMap;

    60 		this.resourceTypesViewer = resourceTypesViewer;

    61 

    62 		setEnabled(false);

    63 	}

    64 

    65 	/**

    66 	 * Returns the CheckableResourceFilename object that was moved by the user.

    67 	 * 

    68 	 * @return the CheckableResourceFilename object that was moved by the user

    69 	 */

    70 	CheckableResourceFilename getMovedCheckableFilename() {

    71 		return movedCheckableFilename;

    72 	}

    73 

    74 	/**

    75 	 * Moves the selected CheckableResourceFilename object down by one position

    76 	 * in the model.

    77 	 */

    78 	@Override

    79 	public void run() {

    80 		movedCheckableFilename = (CheckableResourceFilename) ((StructuredSelection) getSelection())

    81 				.getFirstElement();

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

    83 				.getCheckableResourceFilenames(ResourcesWidgetHelper

    84 						.getSelectedResourceType(resourceTypesViewer),

    85 						resourceFilesMap);

    86 		int oldIndex = checkableFilenames.indexOf(movedCheckableFilename);

    87 		checkableFilenames.remove(oldIndex);

    88 		int newIndex = oldIndex - 1;

    89 		checkableFilenames.add(newIndex, movedCheckableFilename);

    90 	}

    91 

    92 	/**

    93 	 * Enabled if the list has exactly one selection and if the selection is not

    94 	 * the first element in the list.

    95 	 */

    96 	@Override

    97 	public void selectionChanged(IStructuredSelection selection) {

    98 		if (selection.size() != 1) {

    99 			setEnabled(false);

   100 			return;

   101 		}

   102 

   103 		boolean enabled = true;

   104 		CheckableResourceFilename selectedElement = (CheckableResourceFilename) selection

   105 				.getFirstElement();

   106 		CheckableResourceFilename firstElement = (CheckableResourceFilename) resourceFilesViewer

   107 				.getElementAt(0);

   108 

   109 		if (firstElement != null && selectedElement.equals(firstElement)) {

   110 			enabled = false;

   111 		}

   112 

   113 		setEnabled(enabled);

   114 	}

   115 

   116 }