package net.sourceforge.squirrel_sql.plugins.refactoring.commands;
/*
* Copyright (C) 2007 Rob Manning
* manningr@users.sourceforge.net
*
* This program 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 2
* of the License, or any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
import java.sql.SQLException;
import java.util.ArrayList;
import net.sourceforge.squirrel_sql.client.gui.db.ColumnListDialog;
import net.sourceforge.squirrel_sql.client.session.ISession;
import net.sourceforge.squirrel_sql.client.session.SQLExecuterTask;
import net.sourceforge.squirrel_sql.fw.dialects.HibernateDialect;
import net.sourceforge.squirrel_sql.fw.dialects.UserCancelledOperationException;
import net.sourceforge.squirrel_sql.fw.gui.GUIUtils;
import net.sourceforge.squirrel_sql.fw.sql.IDatabaseObjectInfo;
import net.sourceforge.squirrel_sql.fw.sql.ITableInfo;
import net.sourceforge.squirrel_sql.fw.sql.PrimaryKeyInfo;
import net.sourceforge.squirrel_sql.fw.sql.SQLDatabaseMetaData;
import net.sourceforge.squirrel_sql.fw.sql.TableColumnInfo;
import net.sourceforge.squirrel_sql.fw.util.StringManager;
import net.sourceforge.squirrel_sql.fw.util.StringManagerFactory;
import net.sourceforge.squirrel_sql.fw.util.log.ILogger;
import net.sourceforge.squirrel_sql.fw.util.log.LoggerController;
/**
* Implements showing a list of primay key columns for a selected table to the user, allowing the user to drop
* the primary key or view the SQL that will do this.
*
* @author manningr
*/
public class DropPrimaryKeyCommand extends AbstractRefactoringCommand
{
/**
* Logger for this class.
*/
@SuppressWarnings("unused")
private final static ILogger s_log = LoggerController.createLogger(DropColumnCommand.class);
/**
* Internationalized strings for this class.
*/
private static final StringManager s_stringMgr =
StringManagerFactory.getStringManager(DropPrimaryKeyCommand.class);
static interface i18n
{
String SHOWSQL_DIALOG_TITLE = s_stringMgr.getString("DropPrimaryKeyCommand.sqlDialogTitle");
}
/** the dialog used by this refactoring */
protected ColumnListDialog customDialog;
/**
* @param session
* @param info
*/
public DropPrimaryKeyCommand(ISession session, IDatabaseObjectInfo[] info)
{
super(session, info);
}
/**
* @see net.sourceforge.squirrel_sql.plugins.refactoring.commands.AbstractRefactoringCommand#onExecute()
*/
@Override
protected void onExecute() throws SQLException
{
if (!(_info[0] instanceof ITableInfo))
{
return;
}
ITableInfo ti = (ITableInfo) _info[0];
PrimaryKeyCommandUtility pkcUtil = new PrimaryKeyCommandUtility(super._session, _info);
if (!pkcUtil.tableHasPrimaryKey())
{
_session.showErrorMessage(s_stringMgr.getString("DropPrimaryKeyCommand.noKeyToDrop",
ti.getSimpleName()));
} else
{
showCustomDialog();
}
}
/**
* @see net.sourceforge.squirrel_sql.plugins.refactoring.commands.AbstractRefactoringCommand#generateSQLStatements()
*/
@Override
protected String[] generateSQLStatements() throws UserCancelledOperationException
{
String result = null;
try
{
result =
_dialect.getDropPrimaryKeySQL(customDialog.getPrimaryKeyName(),
customDialog.getTableName(),
_qualifier,
_sqlPrefs);
} catch (UnsupportedOperationException e2)
{
_session.showMessage(s_stringMgr.getString("DropPrimaryKeyCommand.unsupportedOperationMsg",
_dialect.getDisplayName()));
}
return new String[] { result };
}
/**
* @see net.sourceforge.squirrel_sql.plugins.refactoring.commands.AbstractRefactoringCommand#executeScript(java.lang.String)
*/
@Override
protected void executeScript(String script)
{
CommandExecHandler handler = new CommandExecHandler(_session);
SQLExecuterTask executer = new SQLExecuterTask(_session, script, handler);
executer.run(); // Execute the sql synchronously
_session.getApplication().getThreadPool().addTask(new Runnable()
{
public void run()
{
GUIUtils.processOnSwingEventThread(new Runnable()
{
public void run()
{
customDialog.setVisible(false);
_session.getSchemaInfo().reloadAll();
}
});
}
});
}
/**
* @see net.sourceforge.squirrel_sql.plugins.refactoring.commands.AbstractRefactoringCommand#isRefactoringSupportedForDialect(net.sourceforge.squirrel_sql.fw.dialects.HibernateDialect)
*/
@Override
protected boolean isRefactoringSupportedForDialect(HibernateDialect dialectExt)
{
// implemented in all originally supported dialects
return true;
}
/**
* @throws SQLException
*/
private void showCustomDialog() throws SQLException
{
ITableInfo ti = (ITableInfo) _info[0];
TableColumnInfo[] columns = getPkTableColumns(ti);
// Show the user a dialog with a list of columns and ask them to select
customDialog = new ColumnListDialog(columns, ColumnListDialog.DROP_PRIMARY_KEY_MODE);
customDialog.addColumnSelectionListener(new ExecuteListener());
customDialog.addEditSQLListener(new EditSQLListener(customDialog));
customDialog.addShowSQLListener(new ShowSQLListener(i18n.SHOWSQL_DIALOG_TITLE, customDialog));
customDialog.setLocationRelativeTo(_session.getApplication().getMainFrame());
customDialog.setMultiSelection();
customDialog.setTableName(ti.getQualifiedName());
SQLDatabaseMetaData md = _session.getSQLConnection().getSQLMetaData();
PrimaryKeyInfo[] infos = md.getPrimaryKey(ti);
String pkName = infos[0].getSimpleName();
customDialog.setPrimaryKeyName(pkName);
customDialog.setVisible(true);
}
/**
* @param ti
* @return
* @throws SQLException
*/
private TableColumnInfo[] getPkTableColumns(ITableInfo ti) throws SQLException
{
ArrayList<TableColumnInfo> result = new ArrayList<TableColumnInfo>();
PrimaryKeyInfo[] pkCols = _session.getMetaData().getPrimaryKey(ti);
TableColumnInfo[] colInfos = _session.getMetaData().getColumnInfo(ti);
for (PrimaryKeyInfo pkInfo : pkCols)
{
String pkColName = pkInfo.getQualifiedColumnName();
for (TableColumnInfo colInfo : colInfos)
{
if (colInfo.getSimpleName().equals(pkColName))
{
result.add(colInfo);
}
}
}
return result.toArray(new TableColumnInfo[result.size()]);
}
}