com.symbian.smt.gui.smtwidgets.resources.RemoveResourceFileAction.java Source code

Introduction

Here is the source code for com.symbian.smt.gui.smtwidgets.resources.RemoveResourceFileAction.java

Source

// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
// RemoveResourceFileAction
//

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

import java.util.HashMap;
import java.util.Iterator;

import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ListViewer;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.widgets.Button;

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

/**
 * This is the action that removes a command line option from the list of
 * assigned options.
 * 
 * @author barbararosi-schwartz
 * 
 */
class RemoveResourceFileAction extends AbstractMultipleEntriesWidgetAction {

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

    RemoveResourceFileAction(Button button, ISelectionProvider filesViewer,
            HashMap<ResourcesEnums, java.util.List<CheckableResourceFilename>> resourceFilesMap,
            ListViewer resourceTypesViewer) {
        super(filesViewer, "Remove", button);

        this.resourceFilesMap = resourceFilesMap;
        this.resourceTypesViewer = resourceTypesViewer;

        setEnabled(false);
    }

    /**
     * Removes the selected filename from the model.
     */
    @Override
    public void run() {
        StructuredSelection ssel = (StructuredSelection) getSelection();
        java.util.List<CheckableResourceFilename> checkableFilenames = ResourcesWidgetHelper
                .getCheckableResourceFilenames(ResourcesWidgetHelper.getSelectedResourceType(resourceTypesViewer),
                        resourceFilesMap);

        @SuppressWarnings("unchecked")
        Iterator<CheckableResourceFilename> iter = ssel.iterator();

        while (iter.hasNext()) {
            CheckableResourceFilename to_be_removed = (CheckableResourceFilename) iter.next();
            checkableFilenames.remove(to_be_removed);
        }
    }

    /**
     * Enabled if we have at least one selection in the list.
     */
    @Override
    public void selectionChanged(IStructuredSelection selection) {
        if (selection.isEmpty()) {
            setEnabled(false);
            return;
        }

        setEnabled(true);
    }

}