/*
 * 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.netbeans.modules.db.explorer.node;

import java.awt.datatransfer.Transferable;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.Action;
import org.netbeans.api.db.explorer.DatabaseException;
import org.netbeans.api.db.explorer.DatabaseMetaDataTransfer;
import org.netbeans.api.db.explorer.node.BaseNode;
import org.netbeans.api.db.explorer.node.ChildNodeFactory;
import org.netbeans.api.db.explorer.node.NodeProvider;
import org.netbeans.lib.ddl.adaptors.DefaultAdaptor;
import org.netbeans.lib.ddl.impl.Specification;
import org.netbeans.modules.db.explorer.ConnectionList;
import org.netbeans.modules.db.explorer.DatabaseConnection;
import org.netbeans.modules.db.explorer.DatabaseConnectionAccessor;
import org.netbeans.modules.db.explorer.DatabaseMetaDataTransferAccessor;
import org.netbeans.modules.db.explorer.action.ConnectAction;
import org.netbeans.modules.db.explorer.metadata.MetadataModelManager;
import org.netbeans.modules.db.metadata.model.api.MetadataModel;
import org.netbeans.modules.db.metadata.model.api.MetadataModels;
import org.netbeans.modules.db.util.PropertiesEditor;
import org.openide.DialogDisplayer;
import org.openide.NotifyDescriptor;
import org.openide.nodes.Sheet;
import org.openide.util.Exceptions;
import org.openide.util.HelpCtx;
import org.openide.util.NbBundle;
import org.openide.util.RequestProcessor;
import org.openide.util.WeakListeners;
import org.openide.util.actions.SystemAction;
import org.openide.util.datatransfer.ExTransferable;

/**
 *
 * @author Rob Englander
 */
public class ConnectionNode extends BaseNode implements PropertyChangeListener {

    private static final Logger LOG = Logger.getLogger(ConnectionNode.class.getName());
    
    private static final String CONNECTEDICONBASE = "org/netbeans/modules/db/resources/connection.gif"; // NOI18N
    private static final String DISCONNECTEDICONBASE = "org/netbeans/modules/db/resources/connectionDisconnected.gif"; // NOI18N
    private static final String CONNECTIONPROPERTIES = "ConnectionProperties"; //NOI18N
    private static final String CONNECTIONPROPERTIESDESC = "ConnectionPropertiesDescription"; //NOI18N
    private static final String SEPARATESYSTEMTABLES = "SeparateSystemTables"; //NOI18N
    private static final String SEPARATESYSTEMTABLESDESC = "SeparateSystemTablesDescription"; //NOI18N
    private static final String USESCROLLABLECURSORS = "UseScrollableCursors"; //NOI18N
    private static final String USESCROLLABLECURSORSDESC = "UseScrollableCursorsDescription"; //NOI18N
    private static final String FOLDER = "Connection"; // NOI18N
    private static final String NBDRIVER = "NBDriver"; // NOI18N
    private static final String NBDRIVERDESC = "NBDriverDescription"; // NOI18N
    private static final RequestProcessor RP = new RequestProcessor(ConnectionNode.class.getName());
    
    /** 
     * Create an instance of ConnectionNode.
     * 
     * @param dataLookup the lookup to use when creating node providers
     * @return the ConnectionNode instance
     */
    public static ConnectionNode create(NodeDataLookup dataLookup, NodeProvider provider) {
        ConnectionNode node = new ConnectionNode(dataLookup, provider);
        node.setup();
        return node;
    }
    
    // the connection
    private final DatabaseConnection connection;

    /**
     * Constructor
     * 
     * @param lookup the associated lookup
     */
    private ConnectionNode(NodeDataLookup lookup, NodeProvider provider) {
        super(new ChildNodeFactory(lookup), lookup, FOLDER, provider);
        connection = getLookup().lookup(DatabaseConnection.class);
        lookup.add(DatabaseConnectionAccessor.DEFAULT.createDatabaseConnection(connection));
    }

    @Override
    protected void initialize() {
        // listen for change events
        connection.addPropertyChangeListener(WeakListeners.propertyChange(this, connection));
        updateModel();
    }

    private final RequestProcessor.Task UPDATE = RP.create(
            new Runnable() { //#203127 - asynchronous update
                @Override
                public void run() {
                    updateModel();
                }
            });

    @Override
    public void propertyChange(PropertyChangeEvent evt) {
        UPDATE.schedule(10);
    }

    @Override
    public void setPropertyValue(Property nps, Object val) {
        boolean refreshNode = true;

        if (nps.getName().equals(USER)) {
            connection.setUser(val.toString());
        } else if (nps.getName().equals(REMEMBERPW)) {
            connection.setRememberPassword((Boolean)val);
            refreshNode = false;
        } else if (nps.getName().equals(DATABASEURL)) {
            connection.setDatabase(val.toString());
        } else if (nps.getName().equals(NBDRIVER)) {
            connection.setDriverName(val.toString());
        } else if (nps.getName().equals(DRIVER)) {
            connection.setDriver(val.toString());
        } else if (nps.getName().equals(SCHEMA)) {
            connection.setSchema(val.toString());
            if( connection.getDefaultSchema() != null ) {
                try {
                    connection.setDefaultSchema(val.toString());
                } catch (Exception ex) {
                    // Seems the underlying database does not support
                    // setting the default schema - should not happen, as
                    // in this case getDefaultSchema should return null
                }
            }
        } else if (nps.getName().equals(PROP_DEFSCHEMA)) {
            connection.setSchema(val.toString());
        } else if (nps.getName().equals(DISPLAYNAME)) {
            setDisplayName(val.toString());
            refreshNode = false;
        } else if (nps.getName().equals(CONNECTIONPROPERTIES)) {
            connection.setConnectionProperties((Properties) val);
        } else if (nps.getName().equals(SEPARATESYSTEMTABLES)
                && val instanceof Boolean) {
            connection.setSeparateSystemTables((Boolean) val);
            refreshNode = false;
        } else if (nps.getName().equals(USESCROLLABLECURSORS)
                && val instanceof Boolean) {
            connection.setUseScrollableCursors((Boolean) val);
            refreshNode = false;
        }

        super.setPropertyValue(nps, val);
        
        if (refreshNode) {
            refresh();
        }
    }

    private void updateLocalProperties() {
        String displayName = null;
        
        try {
            clearProperties();
            boolean connected = connection.isConnected();
            
            displayName = connection.getDisplayName();
            
            addProperty(DISPLAYNAME, DISPLAYNAMEDESC, String.class, true, displayName);
            addProperty(DATABASEURL, DATABASEURLDESC, String.class, !connected, connection.getDatabase());
            addProperty(NBDRIVER, NBDRIVERDESC, String.class, !connected, connection.getDriverName());
            addProperty(DRIVER, DRIVERDESC, String.class, !connected, connection.getDriver());
            addProperty(SCHEMA, SCHEMADESC, String.class, !connected, connection.getSchema());
            addProperty(USER, USERDESC, String.class, !connected, connection.getUser());
            addProperty(REMEMBERPW, REMEMBERPWDESC,
                    Boolean.class, !connected, connection.rememberPassword());
            addProperty(SEPARATESYSTEMTABLES, SEPARATESYSTEMTABLESDESC, Boolean.class, true, connection.isSeparateSystemTables());
            addProperty(USESCROLLABLECURSORS, USESCROLLABLECURSORSDESC, Boolean.class, true, connection.isUseScrollableCursors());
            addProperty(CONNECTIONPROPERTIES, CONNECTIONPROPERTIESDESC, Properties.class, !connected, connection.getConnectionProperties());
            Property<?> ps = getSheet().get(Sheet.PROPERTIES).get(CONNECTIONPROPERTIES);
            ps.setValue("canEditAsText", Boolean.FALSE);                //NOI18N
            ps.setValue(NodePropertySupport.CUSTOM_EDITOR, PropertiesEditor.class);

            if (connected) {
                Specification spec = connection.getConnector().getDatabaseSpecification();
                DatabaseMetaData md = spec.getMetaData();

                addProperty(DefaultAdaptor.PROP_PRODUCTNAME, null, String.class, false, md.getDatabaseProductName());
                addProperty(DefaultAdaptor.PROP_PRODUCTVERSION, null, String.class, false, md.getDatabaseProductVersion());

                addProperty(DefaultAdaptor.PROP_READONLY, null, Boolean.class, false, md.isReadOnly());

                addProperty(DefaultAdaptor.PROP_MIXEDCASE_IDENTIFIERS, null, Boolean.class, false, md.supportsMixedCaseIdentifiers());
                addProperty(DefaultAdaptor.PROP_MIXEDCASE_QUOTED_IDENTIFIERS, null, Boolean.class, false, md.supportsMixedCaseQuotedIdentifiers());
                addProperty(DefaultAdaptor.PROP_ALTER_ADD, null, Boolean.class, false, md.supportsAlterTableWithAddColumn());
                addProperty(DefaultAdaptor.PROP_ALTER_DROP, null, Boolean.class, false, md.supportsAlterTableWithDropColumn());
                addProperty(DefaultAdaptor.PROP_CONVERT, null, Boolean.class, false, md.supportsConvert());
                addProperty(DefaultAdaptor.PROP_TABLE_CORRELATION_NAMES, null, Boolean.class, false, md.supportsTableCorrelationNames());
                addProperty(DefaultAdaptor.PROP_TABLE_CORRELATION_NAMES, null, Boolean.class, false, md.supportsDifferentTableCorrelationNames());
                addProperty(DefaultAdaptor.PROP_EXPRESSIONS_IN_ORDERBY, null, Boolean.class, false, md.supportsExpressionsInOrderBy());
                addProperty(DefaultAdaptor.PROP_ORDER_BY_UNRELATED, null, Boolean.class, false, md.supportsOrderByUnrelated());
                addProperty(DefaultAdaptor.PROP_GROUP_BY, null, Boolean.class, false, md.supportsGroupBy());
                addProperty(DefaultAdaptor.PROP_UNRELATED_GROUP_BY, null, Boolean.class, false, md.supportsGroupByUnrelated());
                addProperty(DefaultAdaptor.PROP_BEYOND_GROUP_BY, null, Boolean.class, false, md.supportsGroupByBeyondSelect());
                addProperty(DefaultAdaptor.PROP_ESCAPE_LIKE, null, Boolean.class, false, md.supportsLikeEscapeClause());
                addProperty(DefaultAdaptor.PROP_MULTIPLE_RS, null, Boolean.class, false, md.supportsMultipleResultSets());
                addProperty(DefaultAdaptor.PROP_MULTIPLE_TRANSACTIONS, null, Boolean.class, false, md.supportsMultipleTransactions());
                addProperty(DefaultAdaptor.PROP_NON_NULL_COLUMNSS, null, Boolean.class, false, md.supportsNonNullableColumns());
                addProperty(DefaultAdaptor.PROP_MINUMUM_SQL_GRAMMAR, null, Boolean.class, false, md.supportsMinimumSQLGrammar());
                addProperty(DefaultAdaptor.PROP_CORE_SQL_GRAMMAR, null, Boolean.class, false, md.supportsCoreSQLGrammar());
                addProperty(DefaultAdaptor.PROP_EXTENDED_SQL_GRAMMAR, null, Boolean.class, false, md.supportsExtendedSQLGrammar());
                addProperty(DefaultAdaptor.PROP_ANSI_SQL_GRAMMAR, null, Boolean.class, false, md.supportsANSI92EntryLevelSQL());
                addProperty(DefaultAdaptor.PROP_INTERMEDIATE_SQL_GRAMMAR, null, Boolean.class, false, md.supportsANSI92IntermediateSQL());
                addProperty(DefaultAdaptor.PROP_FULL_SQL_GRAMMAR, null, Boolean.class, false, md.supportsANSI92FullSQL());
                addProperty(DefaultAdaptor.PROP_INTEGRITY_ENHANCEMENT, null, Boolean.class, false, md.supportsIntegrityEnhancementFacility());
                addProperty(DefaultAdaptor.PROP_OUTER_JOINS, null, Boolean.class, false, md.supportsOuterJoins());
                addProperty(DefaultAdaptor.PROP_FULL_OUTER_JOINS, null, Boolean.class, false, md.supportsFullOuterJoins());
                addProperty(DefaultAdaptor.PROP_LIMITED_OUTER_JOINS, null, Boolean.class, false, md.supportsLimitedOuterJoins());
                addProperty(DefaultAdaptor.PROP_SCHEMAS_IN_DML, null, Boolean.class, false, md.supportsSchemasInDataManipulation());
                addProperty(DefaultAdaptor.PROP_SCHEMAS_IN_PROCEDURE_CALL, null, Boolean.class, false, md.supportsSchemasInProcedureCalls());
                addProperty(DefaultAdaptor.PROP_SCHEMAS_IN_TABLE_DEFINITION, null, Boolean.class, false, md.supportsSchemasInTableDefinitions());
                addProperty(DefaultAdaptor.PROP_SCHEMAS_IN_INDEX, null, Boolean.class, false, md.supportsSchemasInIndexDefinitions());
                addProperty(DefaultAdaptor.PROP_SCHEMAS_IN_PRIVILEGE_DEFINITION, null, Boolean.class, false, md.supportsSchemasInPrivilegeDefinitions());
                addProperty(DefaultAdaptor.PROP_CATALOGS_IN_DML, null, Boolean.class, false, md.supportsCatalogsInDataManipulation());
                addProperty(DefaultAdaptor.PROP_CATALOGS_IN_PROCEDURE_CALL, null, Boolean.class, false, md.supportsCatalogsInProcedureCalls());
                addProperty(DefaultAdaptor.PROP_CATALOGS_IN_TABLE_DEFINITION, null, Boolean.class, false, md.supportsCatalogsInTableDefinitions());
                addProperty(DefaultAdaptor.PROP_CATALOGS_IN_INDEX, null, Boolean.class, false, md.supportsCatalogsInIndexDefinitions());
                addProperty(DefaultAdaptor.PROP_CATALOGS_IN_PRIVILEGE_DEFINITION, null, Boolean.class, false, md.supportsCatalogsInPrivilegeDefinitions());
                addProperty(DefaultAdaptor.PROP_POSITIONED_DELETE, null, Boolean.class, false, md.supportsPositionedDelete());
                addProperty(DefaultAdaptor.PROP_POSITIONED_UPDATE, null, Boolean.class, false, md.supportsPositionedUpdate());
                addProperty(DefaultAdaptor.PROP_SELECT_FOR_UPDATE, null, Boolean.class, false, md.supportsSelectForUpdate());
                addProperty(DefaultAdaptor.PROP_STORED_PROCEDURES, null, Boolean.class, false, md.supportsStoredProcedures());
                addProperty(DefaultAdaptor.PROP_SUBQUERY_IN_COMPARSIONS, null, Boolean.class, false, md.supportsSubqueriesInComparisons());
                addProperty(DefaultAdaptor.PROP_SUBQUERY_IN_EXISTS, null, Boolean.class, false, md.supportsSubqueriesInExists());
                addProperty(DefaultAdaptor.PROP_SUBQUERY_IN_INS, null, Boolean.class, false, md.supportsSubqueriesInIns());
                addProperty(DefaultAdaptor.PROP_SUBQUERY_IN_QUANTIFIEDS, null, Boolean.class, false, md.supportsSubqueriesInQuantifieds());
                addProperty(DefaultAdaptor.PROP_CORRELATED_SUBQUERIES, null, Boolean.class, false, md.supportsCorrelatedSubqueries());
                addProperty(DefaultAdaptor.PROP_UNION, null, Boolean.class, false, md.supportsUnion());
                addProperty(DefaultAdaptor.PROP_UNION_ALL, null, Boolean.class, false, md.supportsUnionAll());
                addProperty(DefaultAdaptor.PROP_OPEN_CURSORS_ACROSS_COMMIT, null, Boolean.class, false, md.supportsOpenCursorsAcrossCommit());
                addProperty(DefaultAdaptor.PROP_OPEN_CURSORS_ACROSS_ROLLBACK, null, Boolean.class, false, md.supportsOpenCursorsAcrossRollback());
                addProperty(DefaultAdaptor.PROP_OPEN_STATEMENTS_ACROSS_COMMIT, null, Boolean.class, false, md.supportsOpenStatementsAcrossCommit());
                addProperty(DefaultAdaptor.PROP_OPEN_STATEMENTS_ACROSS_ROLLBACK, null, Boolean.class, false, md.supportsOpenStatementsAcrossRollback());
                addProperty(DefaultAdaptor.PROP_TRANSACTIONS, null, Boolean.class, false, md.supportsTransactions());
                addProperty(DefaultAdaptor.PROP_DDL_AND_DML_TRANSACTIONS, null, Boolean.class, false, md.supportsDataDefinitionAndDataManipulationTransactions());
                addProperty(DefaultAdaptor.PROP_DML_TRANSACTIONS_ONLY, null, Boolean.class, false, md.supportsDataManipulationTransactionsOnly());
                addProperty(DefaultAdaptor.PROP_BATCH_UPDATES, null, Boolean.class, false, md.supportsBatchUpdates());
                addProperty(DefaultAdaptor.PROP_CATALOG_AT_START, null, Boolean.class, false, md.isCatalogAtStart());
                addProperty(DefaultAdaptor.PROP_COLUMN_ALIASING, null, Boolean.class, false, md.supportsColumnAliasing());
                addProperty(DefaultAdaptor.PROP_DDL_CAUSES_COMMIT, null, Boolean.class, false, md.dataDefinitionCausesTransactionCommit());
                addProperty(DefaultAdaptor.PROP_DDL_IGNORED_IN_TRANSACTIONS, null, Boolean.class, false, md.dataDefinitionIgnoredInTransactions());
                addProperty(DefaultAdaptor.PROP_DIFF_TABLE_CORRELATION_NAMES, null, Boolean.class, false, md.supportsDifferentTableCorrelationNames());
                addProperty(DefaultAdaptor.PROP_LOCAL_FILES, null, Boolean.class, false, md.usesLocalFiles());
                addProperty(DefaultAdaptor.PROP_FILE_PER_TABLE, null, Boolean.class, false, md.usesLocalFilePerTable());
                addProperty(DefaultAdaptor.PROP_ROWSIZE_INCLUDING_BLOBS, null, Boolean.class, false, md.doesMaxRowSizeIncludeBlobs());
                addProperty(DefaultAdaptor.PROP_NULL_PLUS_NULL_IS_NULL, null, Boolean.class, false, md.nullPlusNonNullIsNull());
                addProperty(DefaultAdaptor.PROP_PROCEDURES_ARE_CALLABLE, null, Boolean.class, false, md.allProceduresAreCallable());
                addProperty(DefaultAdaptor.PROP_TABLES_ARE_SELECTABLE, null, Boolean.class, false, md.allTablesAreSelectable());

                addProperty(DefaultAdaptor.PROP_MAX_BINARY_LITERAL_LENGTH, null, Integer.class, false, md.getMaxBinaryLiteralLength());
                addProperty(DefaultAdaptor.PROP_MAX_CHAR_LITERAL_LENGTH, null, Integer.class, false, md.getMaxCharLiteralLength());
                addProperty(DefaultAdaptor.PROP_MAX_COLUMN_NAME_LENGTH, null, Integer.class, false, md.getMaxColumnNameLength());
                addProperty(DefaultAdaptor.PROP_MAX_COLUMNS_IN_GROUPBY, null, Integer.class, false, md.getMaxColumnsInGroupBy());
                addProperty(DefaultAdaptor.PROP_MAX_COLUMNS_IN_INDEX, null, Integer.class, false, md.getMaxColumnsInIndex());
                addProperty(DefaultAdaptor.PROP_MAX_COLUMNS_IN_ORDERBY, null, Integer.class, false, md.getMaxColumnsInOrderBy());
                addProperty(DefaultAdaptor.PROP_MAX_COLUMNS_IN_SELECT, null, Integer.class, false, md.getMaxColumnsInSelect());
                addProperty(DefaultAdaptor.PROP_MAX_COLUMNS_IN_TABLE, null, Integer.class, false, md.getMaxColumnsInTable());
                addProperty(DefaultAdaptor.PROP_MAX_CONNECTIONS, null, Integer.class, false, md.getMaxConnections());
                addProperty(DefaultAdaptor.PROP_MAX_CURSORNAME_LENGTH, null, Integer.class, false, md.getMaxCursorNameLength());
                addProperty(DefaultAdaptor.PROP_MAX_INDEX_LENGTH, null, Integer.class, false, md.getMaxIndexLength());
                addProperty(DefaultAdaptor.PROP_MAX_SCHEMA_NAME, null, Integer.class, false, md.getMaxSchemaNameLength());
                addProperty(DefaultAdaptor.PROP_MAX_PROCEDURE_NAME, null, Integer.class, false, md.getMaxProcedureNameLength());
                addProperty(DefaultAdaptor.PROP_MAX_CATALOG_NAME, null, Integer.class, false, md.getMaxCatalogNameLength());
                addProperty(DefaultAdaptor.PROP_MAX_ROW_SIZE, null, Integer.class, false, md.getMaxRowSize());
                addProperty(DefaultAdaptor.PROP_MAX_STATEMENT_LENGTH, null, Integer.class, false, md.getMaxStatementLength());
                addProperty(DefaultAdaptor.PROP_MAX_STATEMENTS, null, Integer.class, false, md.getMaxStatements());
                addProperty(DefaultAdaptor.PROP_MAX_TABLENAME_LENGTH, null, Integer.class, false, md.getMaxTableNameLength());
                addProperty(DefaultAdaptor.PROP_MAX_TABLES_IN_SELECT, null, Integer.class, false, md.getMaxTablesInSelect());
                addProperty(DefaultAdaptor.PROP_MAX_USERNAME, null, Integer.class, false, md.getMaxUserNameLength());
                addProperty(DefaultAdaptor.PROP_DEFAULT_ISOLATION, null, Integer.class, false, md.getDefaultTransactionIsolation());

                addProperty(DefaultAdaptor.PROP_DRIVERNAME, null, String.class, false, md.getDriverName());
                addProperty(DefaultAdaptor.PROP_DRIVER_VERSION, null, String.class, false, md.getDriverVersion());
                addProperty(DefaultAdaptor.PROP_DRIVER_MAJOR_VERSION, null, Integer.class, false, md.getDriverMajorVersion());
                addProperty(DefaultAdaptor.PROP_DRIVER_MINOR_VERSION, null, Integer.class, false, md.getDriverMinorVersion());

                addProperty(DefaultAdaptor.PROP_IDENTIFIER_QUOTE, null, String.class, false, md.getIdentifierQuoteString());
                addProperty(DefaultAdaptor.PROP_SQL_KEYWORDS, null, String.class, false, md.getSQLKeywords());

                addProperty(DefaultAdaptor.PROP_NUMERIC_FUNCTIONS, null, String.class, false, md.getNumericFunctions());
                addProperty(DefaultAdaptor.PROP_STRING_FUNCTIONS, null, String.class, false, md.getStringFunctions());
                addProperty(DefaultAdaptor.PROP_SYSTEM_FUNCTIONS, null, String.class, false, md.getSystemFunctions());
                addProperty(DefaultAdaptor.PROP_TIME_FUNCTIONS, null, String.class, false, md.getTimeDateFunctions());
                addProperty(DefaultAdaptor.PROP_STRING_ESCAPE, null, String.class, false, md.getSearchStringEscape());
                addProperty(DefaultAdaptor.PROP_EXTRA_CHARACTERS, null, String.class, false, md.getExtraNameCharacters());
                addProperty(DefaultAdaptor.PROP_SCHEMA_TERM, null, String.class, false, md.getSchemaTerm());
                addProperty(DefaultAdaptor.PROP_PROCEDURE_TERM, null, String.class, false, md.getProcedureTerm());
                addProperty(DefaultAdaptor.PROP_CATALOG_TERM, null, String.class, false, md.getCatalogTerm());
                addProperty(DefaultAdaptor.PROP_CATALOGS_SEPARATOR, null, String.class, false, md.getCatalogSeparator());
            }
        } catch (Exception e) {
            LOG.log(Level.INFO, "Failed to update properties of ConnectionNode '" + displayName + "'", e);
        }
    }

    public DatabaseConnection getDatabaseConnection() {
        return connection;
    }
    
    private synchronized void updateModel() {
        RP.post(
            new Runnable() {
                @Override
                public void run() {
                    boolean connected = connection.isConnected();

                    if (connected) {
                        MetadataModel model = MetadataModels.createModel(connection.getJDBCConnection(), connection.getSchema());
                        connection.setMetadataModel(model);
                        MetadataModelManager.update(connection.getDatabaseConnection(), model);
                        refresh();

                    } else {
                        connection.setMetadataModel(null);
                        ConnectionNode.this.getNodeRegistry().removeAllNodes();  //#170935 - workaround
                        refresh();
                    }

                    updateLocalProperties();

                }
            }
        );
    }

    @Override
    public boolean canDestroy() {
        boolean result = true;
        
        Connection conn = connection.getJDBCConnection();
        if (conn != null) {
            result = ! connection.isVitalConnection();
        }
        
        return result;
    }
    
    @NbBundle.Messages({
        "# {0} - Connection name",
        "MSG_Confirm_Connection_Delete=Really delete connection {0}?",
        "MSG_Confirm_Connection_Delete_Title=Delete Connection"})
    @Override
    public void destroy() {
        NotifyDescriptor d =
                new NotifyDescriptor.Confirmation(
                Bundle.MSG_Confirm_Connection_Delete(connection.getName()),
                Bundle.MSG_Confirm_Connection_Delete_Title(),
                NotifyDescriptor.YES_NO_OPTION);
        Object result = DialogDisplayer.getDefault().notify(d);
        if (!NotifyDescriptor.OK_OPTION.equals(result)) {
            return;
        }
        RP.post(
            new Runnable() {
                @Override
                public void run() {
                    try {
                        ConnectionList.getDefault().remove(connection);
                    } catch (DatabaseException e) {
                        Exceptions.printStackTrace(e);
                    }
                }
            }
        );
    }
    
    @Override
    public String getName() {
        return connection.getDisplayName();
    }

    @Override
    public void setName(String name) {
        String old = getName();
        connection.setDisplayName(name);
        fireNameChange(old, name);
    }

    @Override
    public String getDisplayName() {
        return connection.getDisplayName();
    }

    @Override
    public void setDisplayName(String name) {
        String old = getDisplayName();
        connection.setDisplayName(name);
        fireDisplayNameChange(old, name);
    }

    @Override
    public boolean canRename() {
        return true;
    }

    @Override
    public String getIconBase() {
        boolean disconnected = ! connection.isVitalConnection();

        if (disconnected) {
            return DISCONNECTEDICONBASE;
        }
        else {
            return CONNECTEDICONBASE;
        }
    }

    @Override
    public boolean canCopy() {
        return true;
    }

    @Override
    public Transferable clipboardCopy() throws IOException {
        ExTransferable result = ExTransferable.create(super.clipboardCopy());
        result.put(new ExTransferable.Single(DatabaseMetaDataTransfer.CONNECTION_FLAVOR) {
            @Override
            protected Object getData() {
                return DatabaseMetaDataTransferAccessor.DEFAULT.createConnectionData(connection.getDatabaseConnection(),
                        connection.findJDBCDriver());
            }
        });
        return result;
    }

    @Override
    public String getShortDescription() {
        if (!getName().equals(getDisplayName())) {
            return getName();
        } else {
            return NbBundle.getMessage (ConnectionNode.class, "ND_Connection"); //NOI18N
        }
    }

    @Override
    public HelpCtx getHelpCtx() {
        return null;
    }

    @Override
    public Action getPreferredAction() {
        boolean disconnected = ! connection.isVitalConnection();
        if (disconnected) {
            return SystemAction.get(ConnectAction.class);
        } else {
            return null;
        }
    }
}
