com.hangum.tadpole.rdb.core.actions.connections.DeleteDBAction.java Source code

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Here is the source code for com.hangum.tadpole.rdb.core.actions.connections.DeleteDBAction.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.connections;

import org.apache.log4j.Logger;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IEditorReference;
import org.eclipse.ui.IViewActionDelegate;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PlatformUI;

import com.hangum.tadpole.commons.exception.dialog.ExceptionDetailsErrorDialog;
import com.hangum.tadpole.engine.manager.TadpoleSQLManager;
import com.hangum.tadpole.rdb.core.Activator;
import com.hangum.tadpole.rdb.core.Messages;
import com.hangum.tadpole.rdb.core.editors.main.MainEditorInput;
import com.hangum.tadpole.rdb.core.viewers.connections.ManagerViewer;
import com.hangum.tadpole.rdb.core.viewers.object.ExplorerViewer;
import com.hangum.tadpole.sql.dao.system.UserDBDAO;
import com.hangum.tadpole.sql.query.TadpoleSystem_UserDBQuery;

/**
 * delete database action.
 * 
 * @author hangum
 *
 */
public class DeleteDBAction implements IViewActionDelegate {
    /**
     * Logger for this class
     */
    private static final Logger logger = Logger.getLogger(DeleteDBAction.class);

    private IStructuredSelection sel;

    public DeleteDBAction() {
        super();
    }

    @Override
    public void run(IAction action) {

        final UserDBDAO userDB = (UserDBDAO) sel.getFirstElement();

        if (!MessageDialog.openConfirm(null, "Confirm", //$NON-NLS-1$
                "[" + userDB.getDisplay_name() + "] " + Messages.DeleteDBAction_1))
            return;

        // editor 
        MainEditorInput mei = new MainEditorInput(userDB);
        IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
        IEditorReference[] editroRefreence = page.getEditorReferences();

        String titleName = mei.getName();
        for (IEditorReference iEditorReference : editroRefreence) {
            if (iEditorReference.getTitle().indexOf(titleName) != -1) {
                page.closeEditor(iEditorReference.getEditor(false), true);
            }
        }

        // connection view  .
        final ManagerViewer managerView = (ManagerViewer) PlatformUI.getWorkbench().getActiveWorkbenchWindow()
                .getActivePage().findView(ManagerViewer.ID);
        Display.getCurrent().asyncExec(new Runnable() {
            @Override
            public void run() {
                try {
                    managerView.init();
                } catch (Exception e) {
                }
            }
        }); // end display

        // object view .
        final ExplorerViewer explorerView = (ExplorerViewer) PlatformUI.getWorkbench().getActiveWorkbenchWindow()
                .getActivePage().findView(ExplorerViewer.ID);
        Display.getCurrent().asyncExec(new Runnable() {
            @Override
            public void run() {
                explorerView.initObjectHead(null);
            }
        }); // end display

        // realdb disconnect
        try {
            TadpoleSystem_UserDBQuery.removeUserDB(userDB.getSeq());
            TadpoleSQLManager.removeInstance(userDB);
        } catch (Exception e) {
            logger.error("disconnection exception", e);

            Status errStatus = new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.getMessage(), e); //$NON-NLS-1$
            ExceptionDetailsErrorDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
                    "Error", "Disconnection Exception", errStatus); //$NON-NLS-1$ //$NON-NLS-2$
        }
    }

    @Override
    public void selectionChanged(IAction action, ISelection selection) {
        sel = (IStructuredSelection) selection;
    }

    @Override
    public void init(IViewPart view) {
    }

}