com.hangum.tadpole.erd.core.actions.TableSelectionAction.java Source code

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Here is the source code for com.hangum.tadpole.erd.core.actions.TableSelectionAction.java

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/*******************************************************************************
 * Copyright (c) 2012 Cho Hyun Jong.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Cho Hyun Jong - initial API and implementation
 ******************************************************************************/
package com.hangum.tadpole.erd.core.actions;

import org.apache.log4j.Logger;
import org.eclipse.gef.GraphicalViewer;
import org.eclipse.gef.ui.actions.SelectionAction;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;

import com.hangum.tadpole.define.Define;
import com.hangum.tadpole.erd.core.part.TableEditPart;
import com.hangum.tadpole.model.Table;

/**
 * table selection action
 * 
 * @author hangum
 *
 */
public class TableSelectionAction extends SelectionAction {
    /**
     * Logger for this class
     */
    private static final Logger logger = Logger.getLogger(TableSelectionAction.class);

    public static final String ID = "com.hangum.tadpole.erd.core.actions.TableSelectionAction";
    private GraphicalViewer viewer;

    public TableSelectionAction(IWorkbenchPart part, GraphicalViewer graphicalViewer) {
        super(part);

        setId(ID);
        setText("Table Selection");

        setLazyEnablementCalculation(false);
        this.viewer = graphicalViewer;
    }

    public GraphicalViewer getViewer() {
        return viewer;
    }

    @Override
    protected boolean calculateEnabled() {
        IStructuredSelection is = (IStructuredSelection) getViewer().getSelection();
        if (!is.isEmpty()) {
            if (is.getFirstElement() instanceof TableEditPart) {
                TableEditPart tablePart = (TableEditPart) is.getFirstElement();
                Table tableModel = (Table) tablePart.getModel();

                PlatformUI.getPreferenceStore().setValue(Define.SELECT_ERD_TABLE, tableModel.getName()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
            }
        }

        return true;
    }

    @Override
    public void run() {
        super.run();
    }

}