Java tutorial
/* * DBeaver - Universal Database Manager * Copyright (C) 2010-2016 Serge Rieder (serge@jkiss.org) * Copyright (C) 2011-2012 Eugene Fradkin (eugene.fradkin@gmail.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License (version 2) * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package org.jkiss.dbeaver.ext.mysql.editors; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IContributionManager; import org.eclipse.jface.action.Separator; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.widgets.Composite; import org.eclipse.ui.ISharedImages; import org.jkiss.dbeaver.Log; import org.jkiss.dbeaver.ext.mysql.MySQLMessages; import org.jkiss.dbeaver.ext.mysql.model.MySQLDataSource; import org.jkiss.dbeaver.ext.mysql.model.session.MySQLSessionManager; import org.jkiss.dbeaver.model.admin.sessions.DBAServerSession; import org.jkiss.dbeaver.model.admin.sessions.DBAServerSessionManager; import org.jkiss.dbeaver.model.exec.DBCExecutionContext; import org.jkiss.dbeaver.ui.DBeaverIcons; import org.jkiss.dbeaver.ui.UIIcon; import org.jkiss.dbeaver.ui.UIUtils; import org.jkiss.dbeaver.ui.views.session.AbstractSessionEditor; import org.jkiss.dbeaver.ui.views.session.SessionManagerViewer; import org.jkiss.utils.CommonUtils; import java.util.Collections; /** * MySQLSessionEditor */ public class MySQLSessionEditor extends AbstractSessionEditor { private static final Log log = Log.getLog(MySQLSessionEditor.class); private KillSessionAction killSessionAction; private KillSessionAction terminateQueryAction; @Override public void createPartControl(Composite parent) { killSessionAction = new KillSessionAction(false); terminateQueryAction = new KillSessionAction(true); super.createPartControl(parent); } @Override protected SessionManagerViewer createSessionViewer(DBCExecutionContext executionContext, Composite parent) { return new SessionManagerViewer(this, parent, new MySQLSessionManager((MySQLDataSource) executionContext.getDataSource())) { @Override protected void contributeToToolbar(DBAServerSessionManager sessionManager, IContributionManager contributionManager) { contributionManager.add(killSessionAction); contributionManager.add(terminateQueryAction); contributionManager.add(new Separator()); } @Override protected void onSessionSelect(DBAServerSession session) { super.onSessionSelect(session); killSessionAction.setEnabled(session != null); terminateQueryAction.setEnabled(session != null && !CommonUtils.isEmpty(session.getActiveQuery())); } }; } private class KillSessionAction extends Action { private boolean killQuery; public KillSessionAction(boolean killQuery) { super(killQuery ? MySQLMessages.editors_session_editor_action_terminate_Query : MySQLMessages.editors_session_editor_action_kill_Session, killQuery ? UIUtils.getShardImageDescriptor(ISharedImages.IMG_ELCL_STOP) : DBeaverIcons.getImageDescriptor(UIIcon.SQL_DISCONNECT)); this.killQuery = killQuery; } @Override public void run() { final DBAServerSession session = getSessionsViewer().getSelectedSession(); if (session != null && UIUtils.confirmAction(getSite().getShell(), this.getText(), NLS.bind(MySQLMessages.editors_session_editor_confirm, getText(), session))) { getSessionsViewer().alterSession(getSessionsViewer().getSelectedSession(), Collections.singletonMap(MySQLSessionManager.PROP_KILL_QUERY, (Object) killQuery)); } } } }