ExasolServerSessionEditor.java

/*
 * DBeaver - Universal Database Manager
 * Copyright (C) 2016-2016 Karl Griesser (fullref@gmail.com)
 * Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jkiss.dbeaver.ext.exasol.model.app;

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.ext.exasol.ExasolMessages;
import org.jkiss.dbeaver.ext.exasol.model.ExasolDataSource;
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;

/**
 * @author Karl
 */
public class ExasolServerSessionEditor extends AbstractSessionEditor {

    private KillSessionAction killSessionAction = new KillSessionAction(false);
    private KillSessionAction terminateQueryAction = new KillSessionAction(true);


    @Override
    public void createEditorControl(Composite parent) {
        killSessionAction = new KillSessionAction(false);
        terminateQueryAction = new KillSessionAction(true);
        super.createEditorControl(parent);
    }

    @Override
    protected SessionManagerViewer createSessionViewer(DBCExecutionContext executionContext, Composite parent) {
        return new SessionManagerViewer(this, parent, new ExasolServerSessionManager((ExasolDataSource) executionContext.getDataSource())) {
            @Override
            @SuppressWarnings("rawtypes")
            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 ? ExasolMessages.editors_exasol_session_editor_title_kill_session_statement : ExasolMessages.editors_exasol_session_editor_title_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();
            final String action = ExasolMessages.editors_exasol_session_editor_action_kill;
            if (UIUtils.confirmAction(getSite().getShell(), "Confirm kill session",
                NLS.bind(ExasolMessages.editors_exasol_session_editor_confirm_action, action.toLowerCase(), session))) {
                getSessionsViewer().alterSession(getSessionsViewer().getSelectedSession(), Collections.singletonMap(ExasolServerSessionManager.PROP_KILL_QUERY, (Object) killQuery));
            }
        }
    }


}