com.hangum.tadpole.rdb.core.actions.global.DeleteResourceAction.java Source code

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Here is the source code for com.hangum.tadpole.rdb.core.actions.global.DeleteResourceAction.java

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/*******************************************************************************
 * Copyright (c) 2013 hangum.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v2.1
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * 
 * Contributors:
 *     hangum - initial API and implementation
 ******************************************************************************/
package com.hangum.tadpole.rdb.core.actions.global;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.ISelectionListener;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.actions.ActionFactory.IWorkbenchAction;

import com.hangum.tadpole.rdb.core.Activator;
import com.hangum.tadpole.rdb.core.Messages;
import com.hangum.tadpole.rdb.core.actions.erd.rdb.RDBERDDeleteAction;
import com.hangum.tadpole.sql.dao.system.UserDBResourceDAO;
import com.swtdesigner.ResourceManager;

/**
 *  ?? ? ? ? .
 * 
 * @author hangum
 *
 */
public class DeleteResourceAction extends Action implements ISelectionListener, IWorkbenchAction {
    private final IWorkbenchWindow window;
    private final static String ID = "com.hangum.db.browser.rap.core.actions.global.DeleteResourceAction"; //$NON-NLS-1$
    private IStructuredSelection iss;

    public DeleteResourceAction(IWorkbenchWindow window) {
        this.window = window;

        setId(ID);
        setText(Messages.DeleteResourceAction_0);
        setToolTipText(Messages.DeleteResourceAction_0);
        setImageDescriptor(ResourceManager.getPluginImageDescriptor(Activator.PLUGIN_ID,
                "resources/icons/delete-relation.png")); //$NON-NLS-1$
        setEnabled(false);

        window.getSelectionService().addPostSelectionListener(this);
    }

    @Override
    public void run() {
        UserDBResourceDAO userResourceDB = (UserDBResourceDAO) iss.getFirstElement();
        if (!MessageDialog.openConfirm(window.getShell(), Messages.DeleteResourceAction_3,
                Messages.DeleteResourceAction_4))
            return;

        RDBERDDeleteAction erdDelete = new RDBERDDeleteAction();
        erdDelete.run(userResourceDB);
    }

    @Override
    public void dispose() {
        window.getSelectionService().removePostSelectionListener(this);
    }

    @Override
    public void selectionChanged(IWorkbenchPart part, ISelection selection) {
        IStructuredSelection sel = (IStructuredSelection) selection;
        if (sel != null) {
            if (sel.getFirstElement() instanceof UserDBResourceDAO) {
                iss = sel;

                setEnabled(true);
            } else
                setEnabled(false);
        } else
            setEnabled(false);
    }

}