com.nextep.designer.dbgm.ui.rcp.ConnectionsView.java Source code

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Here is the source code for com.nextep.designer.dbgm.ui.rcp.ConnectionsView.java

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/*******************************************************************************
 * Copyright (c) 2011 neXtep Software and contributors.
 * All rights reserved.
 *
 * This file is part of neXtep designer.
 *
 * NeXtep designer is free software: you can redistribute it 
 * and/or modify it under the terms of the GNU General Public 
 * License as published by the Free Software Foundation, either 
 * version 3 of the License, or any later version.
 *
 * NeXtep designer 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Contributors:
 *     neXtep Softwares - initial API and implementation
 *******************************************************************************/
/**
 *
 */
package com.nextep.designer.dbgm.ui.rcp;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.jface.action.GroupMarker;
import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseListener;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.ViewPart;
import com.nextep.datadesigner.ctrl.ConnectionNavigator;
import com.nextep.datadesigner.exception.CancelException;
import com.nextep.datadesigner.gui.impl.TreeSelectionProvider;
import com.nextep.datadesigner.gui.model.INavigatorConnector;
import com.nextep.datadesigner.model.IElementType;
import com.nextep.datadesigner.vcs.gui.external.VersionablePaintItemListener;
import com.nextep.designer.ui.factories.UIControllerFactory;
import com.nextep.designer.vcs.VCSPlugin;
import com.nextep.designer.vcs.model.ITargetSet;
import com.nextep.designer.vcs.ui.navigators.TargetSetNavigator;

/**
 * @author Christophe Fondacci
 */
public class ConnectionsView extends ViewPart {

    private Tree connectionsTree;
    // private TreeItem rootItem;
    private INavigatorConnector targetSetNavigator;
    private final static Log log = LogFactory.getLog(ConnectionsView.class);

    /**
     * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
     */
    @Override
    public void createPartControl(Composite parent) {
        connectionsTree = new Tree(parent, SWT.BORDER);
        VersionablePaintItemListener.handle(connectionsTree, false, false, true);
        refreshView();

        connectionsTree.addMouseListener(new MouseListener() {

            @Override
            public void mouseDoubleClick(MouseEvent e) {
                TreeItem i = connectionsTree.getItem(new Point(e.x, e.y));
                if (i != null && i.getData() instanceof ConnectionNavigator) {
                    try {
                        ((INavigatorConnector) i.getData()).defaultAction();
                    } catch (CancelException ex) {
                        log.info(ex.getMessage());
                    } catch (RuntimeException ex) {
                        log.info(ex.getMessage(), ex);
                    }
                }
            }

            @Override
            public void mouseDown(MouseEvent e) {
            }

            @Override
            public void mouseUp(MouseEvent e) {
            }

        });
        // rootItem = new TreeItem(connectionsTree, SWT.NONE);
        // rootItem.setText("Database connections");
        // rootItem.setData(IElementType.getInstance("CONNECTION"));
        ISelectionProvider provider = TreeSelectionProvider.handle(connectionsTree, true);
        this.getSite().setSelectionProvider(provider);
        registerContextMenu(provider);
        PlatformUI.getWorkbench().getHelpSystem().setHelp(connectionsTree,
                "com.neXtep.designer.dbgm.ui.ConnectionsView"); //$NON-NLS-1$
    }

    private void registerContextMenu(ISelectionProvider provider) {
        MenuManager contextMenu = new MenuManager();
        contextMenu.setRemoveAllWhenShown(true);

        // this is to work around complaints about missing standard groups.
        contextMenu.addMenuListener(new IMenuListener() {

            public void menuAboutToShow(IMenuManager manager) {
                manager.add(new GroupMarker("editions")); //$NON-NLS-1$
                manager.add(new Separator());
                manager.add(new GroupMarker("sql")); //$NON-NLS-1$
                manager.add(new GroupMarker("actions")); //$NON-NLS-1$
                manager.add(new Separator());
                manager.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));

            }
        });

        getSite().registerContextMenu(contextMenu, provider);
        Menu menu = contextMenu.createContextMenu(connectionsTree);
        connectionsTree.setMenu(menu);
    }

    /**
     * @see org.eclipse.ui.part.WorkbenchPart#setFocus()
     */
    @Override
    public void setFocus() {
        connectionsTree.setFocus();
    }

    private void refreshView() {
        connectionsTree.removeAll();
        targetSetNavigator = new TargetSetNavigator(VCSPlugin.getViewService().getCurrentViewTargets(),
                UIControllerFactory.getController(IElementType.getInstance(ITargetSet.TYPE_ID)), connectionsTree);

        targetSetNavigator.create(null, -1);
        targetSetNavigator.initialize();
        targetSetNavigator.refreshConnector();
    }

}