package demo48;
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.mdi.client.MDIFrame;
import java.awt.Color;
import org.openswing.swing.server.QueryUtil;
import org.openswing.swing.message.send.java.GridParams;
import org.openswing.swing.client.GridControl;
import org.openswing.swing.util.java.Consts;
import org.openswing.swing.export.java.ExportOptions;
import org.openswing.swing.export.java.GridExportOptions;
import org.openswing.swing.export.java.GridExportCallbacks;
import org.openswing.swing.export.java.ComponentExportOptions;
/**
* <p>Title: OpenSwing Framework</p>
* <p>Description: Grid controller for employees.</p>
* <p>Copyright: Copyright (C) 2006 Mauro Carniel</p>
* <p> </p>
* @author Mauro Carniel
* @version 1.0
*/
public class EmpGridFrameController2 extends GridController implements GridDataLocator {
private EmpGridFrame2 frame = null;
private Connection conn = null;
public EmpGridFrameController2(Connection conn) {
this.conn = conn;
frame = new EmpGridFrame2(conn,this);
MDIFrame.add(frame);
}
/**
* 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 {
EmpVO newPersistentObject = null;
for(int i=0;i<rowNumbers.length;i++) {
newPersistentObject = (EmpVO)newValueObjects.get(i);
// mapping between attributes and database fields...
Map attribute2dbField = new HashMap();
attribute2dbField.put("empCode","EMP_CODE");
attribute2dbField.put("firstName","FIRST_NAME");
attribute2dbField.put("lastName","LAST_NAME");
attribute2dbField.put("deptCode","DEPT_CODE");
attribute2dbField.put("taskCode","TASK_CODE");
attribute2dbField.put("sex","SEX");
attribute2dbField.put("hireDate","HIRE_DATE");
attribute2dbField.put("salary","SALARY");
attribute2dbField.put("note","NOTE");
Response res = QueryUtil.insertTable(conn,newPersistentObject,"EMP",attribute2dbField,"Y","N",true);
if (res.isError()) {
conn.rollback();
return res;
}
else {
// insert 7 records in WORKING_DAYS, one for each day of week...
PreparedStatement pstmt = null;
try {
pstmt = conn.prepareStatement("insert into WORKING_DAYS(EMP_CODE,DAY) values(?,?)");
pstmt.setString(1,((EmpVO)newPersistentObject).getEmpCode());
pstmt.setInt(2,Calendar.SUNDAY);
pstmt.execute();
pstmt.setString(1,((EmpVO)newPersistentObject).getEmpCode());
pstmt.setInt(2,Calendar.MONDAY);
pstmt.execute();
pstmt.setString(1,((EmpVO)newPersistentObject).getEmpCode());
pstmt.setInt(2,Calendar.TUESDAY);
pstmt.execute();
pstmt.setString(1,((EmpVO)newPersistentObject).getEmpCode());
pstmt.setInt(2,Calendar.WEDNESDAY);
pstmt.execute();
pstmt.setString(1,((EmpVO)newPersistentObject).getEmpCode());
pstmt.setInt(2,Calendar.THURSDAY);
pstmt.execute();
pstmt.setString(1,((EmpVO)newPersistentObject).getEmpCode());
pstmt.setInt(2,Calendar.FRIDAY);
pstmt.execute();
pstmt.setString(1,((EmpVO)newPersistentObject).getEmpCode());
pstmt.setInt(2,Calendar.SATURDAY);
pstmt.execute();
}
catch (Exception ex) {
conn.rollback();
return new ErrorResponse(ex.getMessage());
}
finally {
try {
pstmt.close();
}
catch (Exception ex1) {
}
}
}
}
try {
conn.commit();
}
catch (Exception ex2) {
}
return new VOListResponse(newValueObjects,false,newValueObjects.size());
}
/**
* 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 {
EmpVO oldPersistentObject,persistentObject;
for(int i=0;i<rowNumbers.length;i++) {
oldPersistentObject = (EmpVO)oldPersistentObjects.get(i);
persistentObject = (EmpVO)persistentObjects.get(i);
// mapping between attributes and database fields...
Map attribute2dbField = new HashMap();
attribute2dbField.put("empCode","EMP_CODE");
attribute2dbField.put("firstName","FIRST_NAME");
attribute2dbField.put("lastName","LAST_NAME");
attribute2dbField.put("deptCode","DEPT_CODE");
attribute2dbField.put("taskCode","TASK_CODE");
attribute2dbField.put("sex","SEX");
attribute2dbField.put("hireDate","HIRE_DATE");
attribute2dbField.put("salary","SALARY");
attribute2dbField.put("note","NOTE");
HashSet pk = new HashSet();
pk.add("empCode");
Response res = QueryUtil.updateTable(conn,pk,oldPersistentObject,persistentObject,"EMP",attribute2dbField,"Y","N",true);
if (res.isError()) {
conn.rollback();
return res;
}
}
try {
conn.commit();
}
catch (Exception ex2) {
}
return new VOListResponse(persistentObjects,false,persistentObjects.size());
}
/**
* 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 EMP.EMP_CODE,EMP.FIRST_NAME, EMP.LAST_NAME,EMP.DEPT_CODE,DEPT.DESCRIPTION,EMP.TASK_CODE,TASKS.DESCRIPTION,EMP.SEX,EMP.HIRE_DATE,EMP.SALARY,EMP.NOTE "+
"from EMP,DEPT,TASKS where EMP.DEPT_CODE=DEPT.DEPT_CODE and EMP.TASK_CODE=TASKS.TASK_CODE";
// mapping between attributes and database fields...
Map attribute2dbField = new HashMap();
attribute2dbField.put("empCode","EMP.EMP_CODE");
attribute2dbField.put("firstName","EMP.FIRST_NAME");
attribute2dbField.put("lastName","EMP.LAST_NAME");
attribute2dbField.put("deptCode","EMP.DEPT_CODE");
attribute2dbField.put("deptDescription","DEPT.DESCRIPTION");
attribute2dbField.put("taskCode","EMP.TASK_CODE");
attribute2dbField.put("taskDescription","TASKS.DESCRIPTION");
attribute2dbField.put("sex","EMP.SEX");
attribute2dbField.put("hireDate","EMP.HIRE_DATE");
attribute2dbField.put("salary","EMP.SALARY");
attribute2dbField.put("note","EMP.NOTE");
return QueryUtil.getQuery(
conn,
sql,
new ArrayList(), // list of values linked to "?" parameters in sql
attribute2dbField,
EmpVO.class, // v.o. to dinamically create for each row...
"Y",
"N",
new GridParams(
action,
startIndex,
filteredColumns,
currentSortedColumns,
currentSortedVersusColumns,
otherGridParams
),
true // log query...
);
}
catch (Exception ex) {
ex.printStackTrace();
return new ErrorResponse(ex.getMessage());
}
/*
// an alternative way: you can define your own business logic to retrieve data and adding filtering/sorting conditions at hand...
PreparedStatement stmt = null;
try {
String sql = "select EMP.EMP_CODE,EMP.FIRST_NAME, EMP.LAST_NAME,EMP.DEPT_CODE,DEPT.DESCRIPTION from EMP,DEPT where EMP.DEPT_CODE=DEPT.DEPT_CODE";
Vector vals = new Vector();
if (filteredColumns.size()>0) {
FilterWhereClause[] filter = (FilterWhereClause[])filteredColumns.get("deptCode");
sql += " and EMP.DEPT_CODE "+ filter[0].getOperator()+"?";
vals.add(filter[0].getValue());
if (filter[1]!=null) {
sql += " and EMP.DEPT_CODE "+ filter[1].getOperator()+"?";
vals.add(filter[1].getValue());
}
}
if (currentSortedColumns.size()>0) {
sql += " ORDER BY EMP.FIRST_NAME "+currentSortedVersusColumns.get(0);
}
stmt = conn.prepareStatement(sql);
for(int i=0;i<vals.size();i++)
stmt.setObject(i+1,vals.get(i));
ResultSet rset = stmt.executeQuery();
ArrayList list = new ArrayList();
GridEmpVO vo = null;
while (rset.next()) {
vo = new GridEmpVO();
vo.setEmpCode(rset.getString(1));
vo.setFirstName(rset.getString(2));
vo.setLastName(rset.getString(3));
vo.setDeptCode(rset.getString(4));
vo.setDeptDescription(rset.getString(5));
list.add(vo);
}
return new VOListResponse(list,false,list.size());
}
catch (SQLException ex) {
ex.printStackTrace();
return new ErrorResponse(ex.getMessage());
}
finally {
try {
stmt.close();
}
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 EMP where EMP_CODE=?");
GridEmpVO vo = null;
for(int i=0;i<persistentObjects.size();i++) {
vo = (GridEmpVO)persistentObjects.get(i);
stmt.setString(1,vo.getEmpCode());
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) {
}
}
}
/**
* Callback method invoked when the user has selected another row.
* @param rowNumber selected row index
*/
public void rowChanged(int rowNumber) {
if (rowNumber==-1)
return;
EmpVO vo = (EmpVO)frame.getGrid().getVOListTableModel().getObjectForRow(rowNumber);
frame.getWDGrid().getOtherGridParams().put("empCode",vo.getEmpCode());
frame.getWDGrid().reloadData();
}
/**
* Callback method invoked after saving data when the grid was in INSERT mode (on pressing save button).
* The method is called ONLY if the operation is successfully completed.
*/
public void afterInsertGrid(GridControl grid) {
if (frame.getGrid().getSelectedRow()==-1)
return;
EmpVO vo = (EmpVO)frame.getGrid().getVOListTableModel().getObjectForRow(frame.getGrid().getSelectedRow());
frame.getWDGrid().getOtherGridParams().put("empCode",vo.getEmpCode());
}
/**
* Callback method invoked after deleting data when the grid was in READONLY mode (on pressing delete button).
* The method is called ONLY if the operation is successfully completed.
*/
public void afterDeleteGrid() {
frame.getWDGrid().clearData();
}
/**
* Callback method invoked each time the grid mode is changed.
* @param currentMode current grid mode
*/
public void modeChanged(int currentMode) {
if (currentMode==Consts.INSERT) {
frame.getWDGrid().clearData();
frame.setEnableGridButtons(false);
}
else {
frame.setEnableGridButtons(true);
}
}
/**
* Callback method invoked by grid before showing exporting dialog;
* this method can be overrided to redefine document formats allowed for the grid
* @return list of available formats; possible values: ExportOptions.XLS_FORMAT, ExportOptions.CSV_FORMAT1, ExportOptions.CSV_FORMAT2, ExportOptions.XML_FORMAT, ExportOptions.XML_FORMAT_FAT, ExportOptions.HTML_FORMAT, ExportOptions.PDF_FORMAT, ExportOptions.RTF_FORMAT; default value: ClientSettings.EXPORTING_FORMATS
*/
public String[] getExportingFormats() {
return new String[]{ ExportOptions.PDF_FORMAT,ExportOptions.XLS_FORMAT,ExportOptions.HTML_FORMAT,ExportOptions.CSV_FORMAT1,ExportOptions.XML_FORMAT };
}
/**
* 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 exporting result
*/
public void exportGrid(ExportOptions exportOptions) {
// exportOptions.getComponentsExportOptions().add(frame.getWDGrid().getDefaultGridExportOptions());
GridExportOptions empsOpts = (GridExportOptions)exportOptions.getComponentsExportOptions().get(0);
final GridExportOptions wdOpts = frame.getWDGrid().getDefaultGridExportOptions();
GridExportCallbacks callbacks = new GridExportCallbacks() {
/**
* @param vo value object related to current exported row
* @param row row index just exported
* @return method invoked after adding a row to export document; if not null, then specified ComponentExportOptions will be added after current row
*/
public ComponentExportOptions getComponentPerRow(ValueObject vo,int row) {
EmpVO empVO = (EmpVO)vo;
wdOpts.getOtherGridParams().put("empCode",empVO.getEmpCode());
return wdOpts;
}
};
empsOpts.setCallbacks(callbacks);
}
}