AssistTemplatesHandler.java

/*
 * DBeaver - Universal Database Manager
 * 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.ui.editors.sql.handlers;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.handlers.HandlerUtil;
import org.jkiss.dbeaver.ui.editors.sql.SQLEditorBase;
import org.jkiss.dbeaver.ui.editors.sql.syntax.SQLCompletionProcessor;

public class AssistTemplatesHandler extends AbstractHandler {

    public AssistTemplatesHandler()
    {
    }

    @Override
    public Object execute(ExecutionEvent event) throws ExecutionException
    {
        IEditorPart activeEditor = HandlerUtil.getActiveEditor(event);
        if (activeEditor instanceof SQLEditorBase) {
            SQLEditorBase editor = (SQLEditorBase)activeEditor;
            boolean oldValue = SQLCompletionProcessor.isLookupTemplates();
            SQLCompletionProcessor.setLookupTemplates(true);
            try {
                editor.getTextViewer().doOperation(SourceViewer.CONTENTASSIST_PROPOSALS);
            } finally {
                SQLCompletionProcessor.setLookupTemplates(oldValue);
            }
        }
        return null;
    }

}