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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// MoveResourceFileDownAction
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//
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package com.symbian.smt.gui.smtwidgets.resources;
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import java.util.HashMap;
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import org.eclipse.jface.viewers.CheckboxTableViewer;
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import org.eclipse.jface.viewers.ISelectionProvider;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.ListViewer;
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import org.eclipse.jface.viewers.StructuredSelection;
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import org.eclipse.swt.widgets.Button;
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import com.symbian.smt.gui.ResourcesEnums;
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import com.symbian.smt.gui.smtwidgets.AbstractMultipleEntriesWidgetAction;
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/**
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* This is the action that moves a command line option up by one position in the
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* list of assigned options.
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*
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* @author barbararosi-schwartz
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*
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*/
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class MoveResourceFileUpAction extends AbstractMultipleEntriesWidgetAction {
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private CheckboxTableViewer resourceFilesViewer;
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private ListViewer resourceTypesViewer;
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private HashMap<ResourcesEnums, java.util.List<CheckableResourceFilename>> resourceFilesMap;
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/**
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* The option that has been moved by the user
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*/
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private CheckableResourceFilename movedCheckableFilename = null;
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MoveResourceFileUpAction(
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Button button,
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ISelectionProvider filesViewer,
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HashMap<ResourcesEnums, java.util.List<CheckableResourceFilename>> resourceFilesMap,
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ListViewer resourceTypesViewer) {
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super(filesViewer, "Move Up", button);
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this.resourceFilesViewer = (CheckboxTableViewer) filesViewer;
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this.resourceFilesMap = resourceFilesMap;
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this.resourceTypesViewer = resourceTypesViewer;
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setEnabled(false);
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}
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/**
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* Returns the CheckableResourceFilename object that was moved by the user.
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*
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* @return the CheckableResourceFilename object that was moved by the user
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*/
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CheckableResourceFilename getMovedCheckableFilename() {
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return movedCheckableFilename;
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}
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/**
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* Moves the selected CheckableResourceFilename object down by one position
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* in the model.
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*/
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@Override
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public void run() {
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movedCheckableFilename = (CheckableResourceFilename) ((StructuredSelection) getSelection())
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.getFirstElement();
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java.util.List<CheckableResourceFilename> checkableFilenames = ResourcesWidgetHelper
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.getCheckableResourceFilenames(ResourcesWidgetHelper
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.getSelectedResourceType(resourceTypesViewer),
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resourceFilesMap);
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int oldIndex = checkableFilenames.indexOf(movedCheckableFilename);
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checkableFilenames.remove(oldIndex);
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int newIndex = oldIndex - 1;
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checkableFilenames.add(newIndex, movedCheckableFilename);
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}
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/**
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* Enabled if the list has exactly one selection and if the selection is not
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* the first element in the list.
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*/
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@Override
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public void selectionChanged(IStructuredSelection selection) {
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if (selection.size() != 1) {
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setEnabled(false);
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return;
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}
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boolean enabled = true;
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CheckableResourceFilename selectedElement = (CheckableResourceFilename) selection
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.getFirstElement();
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CheckableResourceFilename firstElement = (CheckableResourceFilename) resourceFilesViewer
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.getElementAt(0);
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if (firstElement != null && selectedElement.equals(firstElement)) {
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enabled = false;
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}
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setEnabled(enabled);
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}
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}
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