package demo44;
import org.openswing.swing.table.client.GridController;
import java.util.*;
import org.openswing.swing.message.receive.java.*;
import java.sql.*;
import org.openswing.swing.message.send.java.FilterWhereClause;
import org.openswing.swing.table.java.GridDataLocator;
import org.openswing.swing.server.QueryUtil;
import org.openswing.swing.server.UserSessionParameters;
import org.openswing.swing.client.GridControl;
import org.openswing.swing.util.client.ClientUtils;
import javax.swing.ImageIcon;
import java.awt.Color;
import java.math.BigDecimal;
import org.openswing.swing.message.send.java.GridParams;
import org.openswing.swing.export.java.ExportOptions;
/**
* <p>Title: OpenSwing Framework</p>
* <p>Description: Grid controller.</p>
* <p>Copyright: Copyright (C) 2006 Mauro Carniel</p>
* <p> </p>
* @author Mauro Carniel
* @version 1.0
*/
public class GridFrameController extends GridController implements GridDataLocator {
private GridFrame grid = null;
private Connection conn = null;
public GridFrameController(Connection conn) {
this.conn = conn;
grid = new GridFrame(conn,this);
}
/**
* Callback method invoked to load data on the grid.
* @param action fetching versus: PREVIOUS_BLOCK_ACTION, NEXT_BLOCK_ACTION or LAST_BLOCK_ACTION
* @param startPos start position of data fetching in result set
* @param filteredColumns filtered columns
* @param currentSortedColumns sorted columns
* @param currentSortedVersusColumns ordering versus of sorted columns
* @param valueObjectType v.o. type
* @param otherGridParams other grid parameters
* @return response from the server: an object of type VOListResponse if data loading was successfully completed, or an ErrorResponse onject if some error occours
*/
public Response loadData(
int action,
int startIndex,
Map filteredColumns,
ArrayList currentSortedColumns,
ArrayList currentSortedVersusColumns,
Class valueObjectType,
Map otherGridParams) {
try {
String sql = "select DEMO44.TEXT,DEMO44.DECNUM,DEMO44.CURRNUM,DEMO44.THEDATE,DEMO44.COMBO,DEMO44.CHECK_BOX,DEMO44.RADIO,DEMO44.CODE,DEMO44_LOOKUP.DESCRCODE,DEMO44.INTNUM from DEMO44,DEMO44_LOOKUP where DEMO44.CODE=DEMO44_LOOKUP.CODE";
// mapping between attributes and database fields...
Map attribute2dbField = new HashMap();
attribute2dbField.put("checkValue","DEMO44.CHECK_BOX");
attribute2dbField.put("comboValue","DEMO44.COMBO");
attribute2dbField.put("currencyValue","DEMO44.CURRNUM");
attribute2dbField.put("dateValue","DEMO44.THEDATE");
attribute2dbField.put("numericValue","DEMO44.DECNUM");
attribute2dbField.put("radioButtonValue","DEMO44.RADIO");
attribute2dbField.put("stringValue","DEMO44.TEXT");
attribute2dbField.put("lookupValue","DEMO44.CODE");
attribute2dbField.put("descrLookupValue","DEMO44_LOOKUP.DESCRCODE");
attribute2dbField.put("intValue","DEMO44.INTNUM");
Response res = QueryUtil.getQuery(
conn,
sql,
new ArrayList(), // list of values linked to "?" parameters in sql
attribute2dbField,
TestVO.class, // v.o. to dinamically create for each row...
"Y",
"N",
new GridParams(
action,
startIndex,
filteredColumns,
currentSortedColumns,
currentSortedVersusColumns,
new HashMap() // other params...
),
25, // pagination size...
true // log query...
);
if (!res.isError()) {
List rows = ((VOListResponse)res).getRows();
TestVO vo = null;
for(int i=0;i<rows.size();i++) {
vo = (TestVO)rows.get(i);
vo.setButton( getButtonIcon(vo.getCheckValue()) );
}
}
return res;
}
catch (Exception ex) {
ex.printStackTrace();
return new ErrorResponse(ex.getMessage());
}
}
/**
* Callback method invoked when the user has clicked on the insert button
* @param valueObject empty value object just created: the user can manage it to fill some attribute values
*/
public void createValueObject(ValueObject valueObject) throws Exception {
TestVO vo = (TestVO)valueObject;
vo.setCurrencyValue(new BigDecimal(1));
vo.setIntValue(new BigDecimal(grid.getGrid().getVOListTableModel().getRowCount()+1));
vo.setStringValue("ABC");
}
/**
* Method invoked when the user has clicked on save button and the grid is in INSERT mode.
* @param rowNumbers row indexes related to the new rows to save
* @param newValueObjects list of new value objects to save
* @return an ErrorResponse value object in case of errors, VOListResponse if the operation is successfully completed
*/
public Response insertRecords(int[] rowNumbers, ArrayList newValueObjects) throws Exception {
/*
PreparedStatement stmt = null;
try {
stmt = conn.prepareStatement("insert into DEMO44(TEXT,DECNUM,CURRNUM,THEDATE,COMBO,CHECK_BOX,RADIO,CODE) values(?,?,?,?,?,?,?,?)");
TestVO vo = null;
for(int i=0;i<newValueObjects.size();i++) {
vo = (TestVO)newValueObjects.get(i);
stmt.setObject(6,vo.getCheckValue()==null || !vo.getCheckValue().booleanValue() ? "N":"Y");
stmt.setString(5,vo.getComboValue());
stmt.setBigDecimal(3,vo.getCurrencyValue());
stmt.setDate(4,vo.getDateValue());
stmt.setBigDecimal(2,vo.getNumericValue());
stmt.setObject(7,vo.getRadioButtonValue()==null || !vo.getRadioButtonValue().booleanValue() ? "N":"Y");
stmt.setString(1,vo.getStringValue());
stmt.setString(8,vo.getLookupValue());
stmt.execute();
}
return new VOListResponse(newValueObjects,false,newValueObjects.size());
}
catch (SQLException ex) {
ex.printStackTrace();
return new ErrorResponse(ex.getMessage());
}
finally {
try {
stmt.close();
conn.commit();
}
catch (SQLException ex1) {
}
}
*/
try {
HashMap map = new HashMap();
map.put("stringValue","TEXT");
map.put("numericValue","DECNUM");
map.put("currencyValue","CURRNUM");
map.put("dateValue","THEDATE");
map.put("comboValue","COMBO");
map.put("checkValue","CHECK_BOX");
map.put("radioButtonValue","RADIO");
map.put("lookupValue","CODE");
map.put("intValue","INTNUM");
return QueryUtil.insertTable(
conn,
new UserSessionParameters(),
newValueObjects,
"DEMO44",
map,
"Y",
"N",
null,
true
);
}
catch (SQLException ex) {
ex.printStackTrace();
return new ErrorResponse(ex.getMessage());
}
finally {
try {
conn.commit();
}
catch (SQLException ex1) {
}
}
}
/**
* Method invoked when the user has clicked on save button and the grid is in EDIT mode.
* @param rowNumbers row indexes related to the changed rows
* @param oldPersistentObjects old value objects, previous the changes
* @param persistentObjects value objects relatied to the changed rows
* @return an ErrorResponse value object in case of errors, VOListResponse if the operation is successfully completed
*/
public Response updateRecords(int[] rowNumbers,ArrayList oldPersistentObjects,ArrayList persistentObjects) throws Exception {
PreparedStatement stmt = null;
PreparedStatement stmt2 = null;
try {
stmt = conn.prepareStatement("update DEMO44 set TEXT=?,DECNUM=?,CURRNUM=?,THEDATE=?,COMBO=?,CHECK_BOX=?,RADIO=?,CODE=?,INTNUM=? where TEXT=?");
stmt2 = conn.prepareStatement("insert into DEMO44(TEXT,DECNUM,CURRNUM,THEDATE,COMBO,CHECK_BOX,RADIO,CODE,INTNUM) values(?,?,?,?,?,?,?,?,?)");
TestVO vo = null;
TestVO oldVO = null;
for(int i=0;i<persistentObjects.size();i++) {
oldVO = (TestVO)oldPersistentObjects.get(i);
vo = (TestVO)persistentObjects.get(i);
if (oldVO!=null) {
stmt.setObject(6,vo.getCheckValue()==null || !vo.getCheckValue().booleanValue() ? "N":"Y");
stmt.setString(5,vo.getComboValue());
stmt.setBigDecimal(3,vo.getCurrencyValue());
stmt.setDate(4,vo.getDateValue());
stmt.setBigDecimal(2,vo.getNumericValue());
stmt.setObject(7,vo.getRadioButtonValue()==null || !vo.getRadioButtonValue().booleanValue() ? "N":"Y");
stmt.setString(1,vo.getStringValue());
stmt.setString(8,vo.getLookupValue());
stmt.setBigDecimal(9,vo.getIntValue());
stmt.setString(10,vo.getStringValue());
stmt.execute();
}
else {
stmt2.setObject(6,vo.getCheckValue()==null || !vo.getCheckValue().booleanValue() ? "N":"Y");
stmt2.setString(5,vo.getComboValue());
stmt2.setBigDecimal(3,vo.getCurrencyValue());
stmt2.setDate(4,vo.getDateValue());
stmt2.setBigDecimal(2,vo.getNumericValue());
stmt2.setObject(7,vo.getRadioButtonValue()==null || !vo.getRadioButtonValue().booleanValue() ? "N":"Y");
stmt2.setString(1,vo.getStringValue());
stmt2.setString(8,vo.getLookupValue());
stmt2.setBigDecimal(9,vo.getIntValue());
stmt2.execute();
}
}
return new VOListResponse(persistentObjects,false,persistentObjects.size());
}
catch (SQLException ex) {
ex.printStackTrace();
return new ErrorResponse(ex.getMessage());
}
finally {
try {
stmt.close();
stmt2.close();
conn.commit();
}
catch (SQLException ex1) {
}
}
}
/**
* Method invoked when the user has clicked on delete button and the grid is in READONLY mode.
* @param persistentObjects value objects to delete (related to the currently selected rows)
* @return an ErrorResponse value object in case of errors, VOResponse if the operation is successfully completed
*/
public Response deleteRecords(ArrayList persistentObjects) throws Exception {
PreparedStatement stmt = null;
try {
stmt = conn.prepareStatement("delete from DEMO44 where TEXT=?");
for(int i=0;i<persistentObjects.size();i++) {
TestVO vo = (TestVO)persistentObjects.get(i);
stmt.setString(1,vo.getStringValue());
stmt.execute();
}
return new VOResponse(new Boolean(true));
}
catch (SQLException ex) {
ex.printStackTrace();
return new ErrorResponse(ex.getMessage());
}
finally {
try {
stmt.close();
conn.commit();
}
catch (SQLException ex1) {
}
}
}
private ImageIcon getButtonIcon(Boolean checkValue) {
if (checkValue!=null && checkValue.booleanValue())
return new ImageIcon(ClientUtils.getImage("chiuso.gif"));
else
return new ImageIcon(ClientUtils.getImage("aperto.gif"));
}
/**
* Callback method invoked each time a cell is edited: this method define if the new value is valid.
* This method is invoked ONLY if:
* - the edited value is not equals to the old value OR it has exmplicitely called setCellAt or setValueAt
* - the cell is editable
* Default behaviour: cell value is valid.
* @param rowNumber selected row index
* @param attributeName attribute name related to the column currently selected
* @param oldValue old cell value (before cell editing)
* @param newValue new cell value (just edited)
* @return <code>true</code> if cell value is valid, <code>false</code> otherwise
*/
public boolean validateCell(int rowNumber,String attributeName,Object oldValue,Object newValue) {
if (attributeName.equals("checkValue")) {
TestVO vo = (TestVO)grid.getGrid().getVOListTableModel().getObjectForRow(rowNumber);
vo.setButton( getButtonIcon((Boolean)newValue) );
}
return true;
}
/**
* @param grid grid
* @param row selected row index
* @param attributeName attribute name that identifies the selected grid column
* @return <code>true</code> if the selected cell is editable, <code>false</code> otherwise
*/
public boolean isCellEditable(GridControl grid,int row,String attributeName) {
TestVO vo = (TestVO)grid.getVOListTableModel().getObjectForRow(row);
if (attributeName.equals("button") && "O".equals(vo.getComboValue())) {
return false;
}
return grid.isFieldEditable(row,attributeName);
}
/**
* Method used to define the background color for each cell of the grid.
* @param rowNumber selected row index
* @param attributeName attribute name related to the column currently selected
* @param value object contained in the selected cell
* @return background color of the selected cell
*/
public Color getBackgroundColor(int row,String attributeName,Object value) {
if (attributeName.equals("button"))
return new Color(200,200,220);
return super.getBackgroundColor(row,attributeName,value);
}
/**
* Callback method invoked by grid when exporting data from grid.
* @param exportOptions options used to export data; these options can be programmatically changed, in order to customize esporting result
*/
public void exportGrid(ExportOptions exportOptions) {
}
}