com.sap.dirigible.ide.template.ui.ed.view.ExtensionsView.java Source code

Introduction

Here is the source code for com.sap.dirigible.ide.template.ui.ed.view.ExtensionsView.java

Source

/*******************************************************************************
 * Copyright (c) 2014 SAP AG or an SAP affiliate company. All rights reserved.
 * 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 com.sap.dirigible.ide.template.ui.ed.view;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.part.ViewPart;

import com.sap.dirigible.ide.common.CommonParameters;
import com.sap.dirigible.ide.common.CommonUtils;
import com.sap.dirigible.ide.datasource.DataSourceFacade;
import com.sap.dirigible.ide.logging.Logger;
import com.sap.dirigible.ide.repository.RepositoryFacade;
import com.sap.dirigible.ide.template.ui.ed.wizard.Messages;
import com.sap.dirigible.ide.workspace.RemoteResourcesPlugin;
import com.sap.dirigible.ide.workspace.ui.commands.OpenHandler;
import com.sap.dirigible.repository.ext.extensions.ExtensionDefinition;
import com.sap.dirigible.repository.ext.extensions.ExtensionManager;
import com.sap.dirigible.repository.ext.extensions.ExtensionPointDefinition;

public class ExtensionsView extends ViewPart {

    private static final Logger logger = Logger.getLogger(ExtensionsView.class);

    public static final String EXTENSIONS_ERROR = Messages.ExtensionsView_EXTENSIONS_ERROR;

    private TreeViewer viewer;

    private ExtensionManager extensionManager = ExtensionManager.getInstance(
            RepositoryFacade.getInstance().getRepository(), DataSourceFacade.getInstance().getDataSource());

    @Override
    public void createPartControl(Composite parent) {
        viewer = new TreeViewer(parent, SWT.SINGLE | SWT.BORDER | SWT.V_SCROLL);
        viewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        viewer.setContentProvider(new ExtensionsContentProvider(extensionManager, viewer.getControl().getShell()));
        viewer.setLabelProvider(new ExtensionsLabelProvider());
        viewer.setSorter(new ViewerSorter());
        viewer.setInput(getExtensionPoints());

        viewer.addDoubleClickListener(new IDoubleClickListener() {

            @Override
            public void doubleClick(DoubleClickEvent event) {
                IStructuredSelection selection = (IStructuredSelection) event.getSelection();
                Object firstElement = selection.getFirstElement();

                if (firstElement != null) {
                    if (firstElement instanceof ExtensionPointDefinition) {
                        ExtensionPointDefinition extensionPoint = (ExtensionPointDefinition) firstElement;
                        openEditor(CommonUtils.formatToIDEPath(CommonParameters.EXTENSION_CONTENT_FOLDER,
                                extensionPoint.getLocation()) + CommonParameters.EXTENSION_POINT_EXTENSION);
                    } else if (firstElement instanceof ExtensionDefinition) {
                        ExtensionDefinition extension = (ExtensionDefinition) firstElement;
                        openEditor(CommonUtils.formatToIDEPath(CommonParameters.EXTENSION_CONTENT_FOLDER,
                                extension.getLocation()) + CommonParameters.EXTENSION_EXTENSION);
                    }
                }
            }
        });
    }

    private void openEditor(String path) {
        IPath location = new Path(path);
        IWorkspace workspace = RemoteResourcesPlugin.getWorkspace();
        IWorkspaceRoot root = workspace.getRoot();
        IFile file = root.getFile(location);
        if (file.exists()) {
            OpenHandler.open(file, 0);
        }
    }

    private List<ExtensionPointDefinition> getExtensionPoints() {
        List<ExtensionPointDefinition> extensionPoints = new ArrayList<ExtensionPointDefinition>();
        try {
            for (String nextExtensionPoint : extensionManager.getExtensionPoints()) {
                extensionPoints.add(extensionManager.getExtensionPoint(nextExtensionPoint));
            }
        } catch (Exception e) {
            logger.error(EXTENSIONS_ERROR, e);
            MessageDialog.openError(viewer.getControl().getShell(), EXTENSIONS_ERROR, e.getMessage());
        }
        return extensionPoints;
    }

    @Override
    public void setFocus() {
        viewer.getControl().setFocus();
    }

}