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.awt.event.ActionEvent;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.sql.SQLException;
import javax.swing.JOptionPane;
import net.sourceforge.squirrel_sql.client.gui.db.ColumnDetailDialog;
import net.sourceforge.squirrel_sql.client.session.ISession;
import net.sourceforge.squirrel_sql.client.session.SQLExecuterTask;
import net.sourceforge.squirrel_sql.fw.dialects.DatabaseObjectQualifier;
import net.sourceforge.squirrel_sql.fw.dialects.DialectFactory;
import net.sourceforge.squirrel_sql.fw.dialects.HibernateDialect;
import net.sourceforge.squirrel_sql.fw.gui.GUIUtils;
import net.sourceforge.squirrel_sql.fw.sql.IDatabaseObjectInfo;
import net.sourceforge.squirrel_sql.fw.sql.ISQLDatabaseMetaData;
import net.sourceforge.squirrel_sql.fw.sql.ITableInfo;
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;
import org.hibernate.HibernateException;
public class AddColumnCommand extends AbstractRefactoringCommand
{
/**
* Logger for this class.
*/
private final static ILogger s_log = LoggerController.createLogger(AddColumnCommand.class);
/**
* Internationalized strings for this class.
*/
private static final StringManager s_stringMgr =
StringManagerFactory.getStringManager(AddColumnCommand.class);
static interface i18n
{
String SHOWSQL_DIALOG_TITLE = s_stringMgr.getString("AddColumnCommand.sqlDialogTitle");
String COLUMN_ALREADY_EXISTS_TITLE = s_stringMgr.getString("AddColumnCommand.columnAlreadyExistsTitle");
}
protected ColumnDetailDialog customDialog;
public AddColumnCommand(ISession session, IDatabaseObjectInfo[] info)
{
super(session, info);
}
/**
* @see net.sourceforge.squirrel_sql.plugins.refactoring.commands.AbstractRefactoringCommand#onExecute()
*/
@Override
protected void onExecute()
{
showCustomDialog();
}
/**
* @see net.sourceforge.squirrel_sql.plugins.refactoring.commands.AbstractRefactoringCommand#generateSQLStatements()
*/
@Override
protected String[] generateSQLStatements() throws Exception
{
TableColumnInfo info = customDialog.getColumnInfo();
String[] result = null;
DatabaseObjectQualifier qualifier =
new DatabaseObjectQualifier(info.getCatalogName(), info.getSchemaName());
try
{
result = _dialect.getAddColumnSQL(info, qualifier, _sqlPrefs);
} catch (HibernateException e1)
{
String dataType = customDialog.getSelectedTypeName();
JOptionPane.showMessageDialog(customDialog,
s_stringMgr.getString("AbstractRefactoringCommand.unsupportedTypeMsg",
_dialect.getDisplayName(),
dataType),
AbstractRefactoringCommand.i18n.UNSUPPORTED_TYPE_TITLE,
JOptionPane.ERROR_MESSAGE);
} catch (UnsupportedOperationException e2)
{
_session.showMessage(s_stringMgr.getString("AddColumnCommand.unsupportedOperationMsg",
_dialect.getDisplayName()));
}
return 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
GUIUtils.processOnSwingEventThread(new Runnable()
{
public void run()
{
customDialog.setVisible(false);
}
});
}
/**
* Returns a boolean value indicating whether or not this refactoring is supported for the specified
* dialect.
*
* @param dialect
* the HibernateDialect to check
* @return true if this refactoring is supported; false otherwise.
*/
@Override
protected boolean isRefactoringSupportedForDialect(HibernateDialect dialect)
{
// implemented in all originally supported dialects
return true;
}
private void showCustomDialog()
{
_session.getApplication().getThreadPool().addTask(new Runnable()
{
public void run()
{
GUIUtils.processOnSwingEventThread(new Runnable()
{
public void run()
{
customDialog = new ColumnDetailDialog(ColumnDetailDialog.ADD_MODE);
customDialog.setTableName(_info[0].getQualifiedName());
customDialog.setSelectedDialect(_dialect.getDisplayName());
customDialog.addExecuteListener(new AddColumnExecuteListener());
customDialog.addEditSQLListener(new EditSQLListener(customDialog));
customDialog.addShowSQLListener(new ShowSQLListener(i18n.SHOWSQL_DIALOG_TITLE, customDialog));
customDialog.addDialectListListener(new DialectListListener());
customDialog.setLocationRelativeTo(_session.getApplication().getMainFrame());
customDialog.setVisible(true);
}
});
}
});
}
private class AddColumnExecuteListener extends ExecuteListener
{
public void actionPerformed(ActionEvent e)
{
String columnName = customDialog.getColumnInfo().getColumnName();
try
{
if (!isColumnNameUnique(columnName))
{
String message =
s_stringMgr.getString("AddColumnCommand.columnAlreadyExistsMsg",
customDialog.getTableName(),
columnName);
JOptionPane.showMessageDialog(customDialog,
message,
i18n.COLUMN_ALREADY_EXISTS_TITLE,
JOptionPane.ERROR_MESSAGE);
} else
{
super.actionPerformed(e);
}
} catch (SQLException ex)
{
_session.showErrorMessage(ex);
s_log.error("Unexpected exception - " + ex.getMessage(), ex);
}
}
/**
* Tests to see if the specified column name already exists.
*
* @param columnName
* the column name to check.
* @return true if the column name doesn't exists; false otherwise
* @throws java.sql.SQLException
* unexpected sql exception
*/
private boolean isColumnNameUnique(String columnName) throws SQLException
{
boolean result = true;
ISQLDatabaseMetaData md = _session.getMetaData();
TableColumnInfo[] columnInfos = md.getColumnInfo((ITableInfo) _info[0]);
for (TableColumnInfo columnInfo : columnInfos)
{
String existingColumnName = columnInfo.getColumnName();
if (columnName.equalsIgnoreCase(existingColumnName))
{
result = false;
break;
}
}
return result;
}
}
private class DialectListListener implements ItemListener
{
public void itemStateChanged(ItemEvent e)
{
_dialect = DialectFactory.getDialect(customDialog.getSelectedDBName());
}
}
}