/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.apache.directory.studio.schemaeditor; import java.io.IOException; import java.net.URL; import java.util.ArrayList; import java.util.List; import java.util.PropertyResourceBundle; import org.apache.directory.studio.schemaeditor.controller.ProjectsHandler; import org.apache.directory.studio.schemaeditor.controller.ProjectsHandlerListener; import org.apache.directory.studio.schemaeditor.controller.SchemaHandler; import org.apache.directory.studio.schemaeditor.model.Project; import org.apache.directory.studio.schemaeditor.model.schemachecker.SchemaChecker; import org.apache.directory.studio.schemaeditor.view.editors.attributetype.AttributeTypeEditor; import org.apache.directory.studio.schemaeditor.view.editors.objectclass.ObjectClassEditor; import org.apache.directory.studio.schemaeditor.view.editors.schema.SchemaEditor; import org.apache.directory.studio.schemaeditor.view.widget.SchemaCodeScanner; import org.apache.directory.studio.schemaeditor.view.widget.SchemaTextAttributeProvider; import org.eclipse.core.runtime.FileLocator; import org.eclipse.core.runtime.Path; import org.eclipse.core.runtime.Status; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.text.rules.ITokenScanner; import org.eclipse.swt.graphics.Image; import org.eclipse.ui.IEditorReference; import org.eclipse.ui.plugin.AbstractUIPlugin; import org.osgi.framework.BundleContext; /** * The activator class controls the plug-in life cycle. * * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> */ public class Activator extends AbstractUIPlugin { /** The shared instance */ private static Activator plugin; /** the Schema Code Scanner */ private ITokenScanner schemaCodeScanner; /** The Schema Text Attribute Provider */ private SchemaTextAttributeProvider schemaTextAttributeProvider; /** The SchemaHandler */ private SchemaHandler schemaHandler; /** The SchemaCheker */ private SchemaChecker schemaChecker; /** The ProjectsHandler */ private ProjectsHandler projectsHandler; /** The plugin properties */ private PropertyResourceBundle properties; /** * Creates a new instance of Activator. */ public Activator() { plugin = this; projectsHandler = ProjectsHandler.getInstance(); schemaChecker = SchemaChecker.getInstance(); } /** * Closes the project editors. */ private void closeProjectEditors() { // Listing all the editors from the Schema Editor Plugin. List<IEditorReference> editors = new ArrayList<IEditorReference>(); for ( IEditorReference editorReference : getWorkbench().getActiveWorkbenchWindow().getActivePage() .getEditorReferences() ) { if ( ( editorReference.getId().equals( AttributeTypeEditor.ID ) ) || ( editorReference.getId().equals( ObjectClassEditor.ID ) ) || ( editorReference.getId().equals( SchemaEditor.ID ) ) ) { editors.add( editorReference ); } } // Closing the opened editors if ( !getWorkbench().getActiveWorkbenchWindow().getActivePage().closeEditors( editors.toArray( new IEditorReference[0] ), true ) ) { // If all the editors have not been closed, we force them to be closed. getWorkbench().getActiveWorkbenchWindow().getActivePage().closeEditors( editors.toArray( new IEditorReference[0] ), false ); } } /** * {@inheritDoc} */ public void start( BundleContext context ) throws Exception { super.start( context ); // Loading the projects PluginUtils.loadProjects(); projectsHandler.addListener( new ProjectsHandlerListener() { public void openProjectChanged( Project oldProject, Project newProject ) { closeProjectEditors(); if ( newProject == null ) { schemaHandler = null; } else { schemaHandler = newProject.getSchemaHandler(); } schemaChecker.reload(); PluginUtils.saveProjects(); } public void projectAdded( Project project ) { PluginUtils.saveProjects(); } public void projectRemoved( Project project ) { PluginUtils.saveProjects(); } } ); } /** * {@inheritDoc} */ public void stop( BundleContext context ) throws Exception { // Saving the projects PluginUtils.saveProjects(); super.stop( context ); plugin = null; } /** * Returns the shared instance. * * @return * the shared instance */ public static Activator getDefault() { return plugin; } /** * Gets the SchemaHandler * * @return * the SchemaHandler */ public SchemaHandler getSchemaHandler() { return schemaHandler; } /** * Gets the SchemaChecker * * @return * the SchemaChecker */ public SchemaChecker getSchemaChecker() { return schemaChecker; } /** * Gets the ProjectsHandler * * @return * the ProjectsHandler */ public ProjectsHandler getProjectsHandler() { return projectsHandler; } /** * Returns the Schema Code Scanner. * * @return * the Schema Code Scanner */ public ITokenScanner getSchemaCodeScanner() { if ( schemaCodeScanner == null ) { schemaCodeScanner = new SchemaCodeScanner( getSchemaTextAttributeProvider() ); } return schemaCodeScanner; } /** * Returns the Schema Text Attribute Provider. * * @return * the Schema Text Attribute Provider */ private SchemaTextAttributeProvider getSchemaTextAttributeProvider() { if ( schemaTextAttributeProvider == null ) { schemaTextAttributeProvider = new SchemaTextAttributeProvider(); } return schemaTextAttributeProvider; } /** * Use this method to get SWT images. Use the IMG_ constants from * PluginConstants for the key. * * @param key * The key (relative path to the image in filesystem) * @return The image descriptor or null */ public ImageDescriptor getImageDescriptor( String key ) { if ( key != null ) { URL url = FileLocator.find( getBundle(), new Path( key ), null ); if ( url != null ) return ImageDescriptor.createFromURL( url ); else return null; } else { return null; } } /** * Use this method to get SWT images. Use the IMG_ constants from * PluginConstants for the key. A ImageRegistry is used to manage the * the key->Image mapping. * <p> * Note: Don't dispose the returned SWT Image. It is disposed * automatically when the plugin is stopped. * * @param key * The key (relative path to the image in filesystem) * @return The SWT Image or null */ public Image getImage( String key ) { Image image = getImageRegistry().get( key ); if ( image == null ) { ImageDescriptor id = getImageDescriptor( key ); if ( id != null ) { image = id.createImage(); getImageRegistry().put( key, image ); } } return image; } /** * Gets the plugin properties. * * @return * the plugin properties */ public PropertyResourceBundle getPluginProperties() { if ( properties == null ) { try { properties = new PropertyResourceBundle( FileLocator.openStream( this.getBundle(), new Path( "plugin.properties" ), false ) ); //$NON-NLS-1$ } catch ( IOException e ) { // We can't use the PLUGIN_ID constant since loading the plugin.properties file has failed, // So we're using a default plugin id. getLog().log( new Status( Status.ERROR, "org.apache.directory.studio.schemaeditor", Status.OK, //$NON-NLS-1$ Messages.getString( "Activator.UnablePluginProperties" ), e ) ); //$NON-NLS-1$ } } return properties; } }