com.nokia.tools.s60ct.confml.commands.AbstractSelectionCommand.java Source code

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Here is the source code for com.nokia.tools.s60ct.confml.commands.AbstractSelectionCommand.java

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/*
* Copyright (c) 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:
*
*/

package com.nokia.tools.s60ct.confml.commands;

import org.eclipse.emf.common.command.AbstractCommand;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;

public abstract class AbstractSelectionCommand extends AbstractCommand implements ISelectionCommand {

    public boolean isSelectionOK() {

        ISelectionProvider provider = getEditor();
        if (provider != null) {
            IStructuredSelection selection = (IStructuredSelection) provider.getSelection();
            if (!selection.isEmpty() && selection.getFirstElement().equals(getModel())) {
                return true;
            } else {
                return false;
            }
        }

        return true;
    }

    public void select() {
        ISelectionProvider provider = getEditor();
        if (provider != null) {
            provider.setSelection(new StructuredSelection(getModel()));
        }
    }

    public abstract Object getModel();

    private ISelectionProvider getEditor() {
        IWorkbenchPage activePage = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
        if (activePage != null) {

            IEditorPart activeEditor = activePage.getActiveEditor();
            if (activeEditor instanceof ISelectionProvider) {
                return (ISelectionProvider) activeEditor;
            }
        }
        return null;
    }

    @Override
    protected boolean prepare() {
        return true;
    }

    public void execute() {

    }

    public void redo() {

    }

}