/******************************************************************************
 * Product: Adempiere ERP & CRM Smart Business Solution                        *
 * Copyright (C) 1999-2006 ComPiere, Inc. All Rights Reserved.                *
 * This program is free software; you can redistribute it and/or modify it    *
 * under the terms version 2 of the GNU General Public License as published   *
 * by the Free Software Foundation. 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.                     *
 * For the text or an alternative of this public license, you may reach us    *
 * ComPiere, Inc., 2620 Augustine Dr. #245, Santa Clara, CA 95054, USA        *
 * or via info@compiere.org or http://www.compiere.org/license.html           *
 *****************************************************************************/
package org.adempiere.webui.apps.form;

import java.io.File;
import java.io.FileInputStream;
import java.math.BigDecimal;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.EventListener;
import java.util.List;
import java.util.logging.Level;

import org.adempiere.webui.LayoutUtils;
import org.adempiere.webui.apps.AEnv;
import org.adempiere.webui.component.ConfirmPanel;
import org.adempiere.webui.component.DesktopTabpanel;
import org.adempiere.webui.component.Grid;
import org.adempiere.webui.component.GridFactory;
import org.adempiere.webui.component.Label;
import org.adempiere.webui.component.Listbox;
import org.adempiere.webui.component.ListboxFactory;
import org.adempiere.webui.component.Row;
import org.adempiere.webui.component.Tab;
import org.adempiere.webui.component.Tabbox;
import org.adempiere.webui.component.Tabpanels;
import org.adempiere.webui.component.Tabs;
import org.adempiere.webui.component.WListbox;
import org.adempiere.webui.component.Window;
import org.adempiere.webui.editor.WSearchEditor;
import org.adempiere.webui.editor.WTableDirEditor;
import org.adempiere.webui.event.ValueChangeEvent;
import org.adempiere.webui.event.ValueChangeListener;
import org.adempiere.webui.event.WTableModelEvent;
import org.adempiere.webui.event.WTableModelListener;
import org.adempiere.webui.panel.ADForm;
import org.adempiere.webui.panel.StatusBarPanel;
import org.adempiere.webui.session.SessionManager;
import org.adempiere.webui.window.FDialog;
import org.adempiere.webui.window.SimplePDFViewer;
import org.compiere.apps.ProcessCtl;
import org.compiere.minigrid.IDColumn;
import org.compiere.model.MLookup;
import org.compiere.model.MLookupFactory;
import org.compiere.model.MOrder;
import org.compiere.model.MPInstance;
import org.compiere.model.MPInstancePara;
import org.compiere.model.MPrivateAccess;
import org.compiere.model.MRMA;
import org.compiere.print.ReportEngine;
import org.compiere.process.ProcessInfo;
import org.compiere.process.ProcessInfoUtil;
import org.compiere.util.CLogger;
import org.compiere.util.DB;
import org.compiere.util.DisplayType;
import org.compiere.util.Env;
import org.compiere.util.KeyNamePair;
import org.compiere.util.Msg;
import org.compiere.util.Trx;
import org.zkoss.zk.au.out.AuEcho;
import org.zkoss.zk.ui.DesktopUnavailableException;
import org.zkoss.zk.ui.Executions;
import org.zkoss.zk.ui.WrongValueException;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zk.ui.util.Clients;
import org.zkoss.zkex.zul.Borderlayout;
import org.zkoss.zkex.zul.Center;
import org.zkoss.zkex.zul.North;
import org.zkoss.zkex.zul.South;
import org.zkoss.zul.Div;
import org.zkoss.zul.Html;
import org.zkoss.zul.Space;

/**
 *	Manual Shipment Selection
 *
 *  @author Jorg Janke
 *  @version $Id: VInOutGen.java,v 1.2 2006/07/30 00:51:28 jjanke Exp $
 */
public class WInOutGen extends ADForm implements EventListener, ValueChangeListener, WTableModelListener
{
	@Override
	protected void initForm()
	{
		log.info("");
		Env.setContext(Env.getCtx(), m_WindowNo, "IsSOTrx", "Y");
		try
		{
			fillPicks();
			zkInit();
			dynInit();
			Borderlayout contentPane = new Borderlayout();
			this.appendChild(contentPane);
			contentPane.setWidth("99%");
			contentPane.setHeight("100%");
			Center center = new Center();
			center.setStyle("border: none");
			contentPane.appendChild(center);
			center.appendChild(tabbedPane);
			center.setFlex(true);
			South south = new South();
			south.setStyle("border: none");
			contentPane.appendChild(south);
			south.appendChild(statusBar);
			LayoutUtils.addSclass("status-border", statusBar);
			south.setHeight("22px");
			
			executeQuery();
		}
		catch(Exception ex)
		{
			log.log(Level.SEVERE, "init", ex);
		}
	}	//	init

	private boolean			m_selectionActive = true;
	private Object 			m_M_Warehouse_ID = null;
	private Object 			m_C_BPartner_ID = null;
	/**	Logger			*/
	private static CLogger log = CLogger.getCLogger(WInOutGen.class);
	//
	private Tabbox tabbedPane = new Tabbox();
	private Borderlayout selPanel = new Borderlayout();
	private Grid selNorthPanel = GridFactory.newGridLayout();
	private Label lWarehouse = new Label();
	private WTableDirEditor fWarehouse;
	private Label lBPartner = new Label();
	private WSearchEditor fBPartner;
//	private FlowLayout northPanelLayout = new FlowLayout();
	private ConfirmPanel confirmPanelSel = new ConfirmPanel(true);
	private ConfirmPanel confirmPanelGen = new ConfirmPanel(false, true, false, false, false, false, false);
	private StatusBarPanel statusBar = new StatusBarPanel();
	private Borderlayout genPanel = new Borderlayout();
	private Html info = new Html();
//	private JScrollPane scrollPane = new JScrollPane();
	private WListbox miniTable = ListboxFactory.newDataTable();
	
	private Label     lDocType = new Label();
	private Listbox  cmbDocType = ListboxFactory.newDropdownListbox();

	/** User selection */
	private ArrayList<Integer> selection = null;
	private int[] m_ids;
	private ProcessInfo m_pi;
	
	/**
	 *	Static Init.
	 *  <pre>
	 *  selPanel (tabbed)
	 *      fOrg, fBPartner
	 *      scrollPane & miniTable
	 *  genPanel
	 *      info
	 *  </pre>
	 *  @throws Exception
	 */
	void zkInit() throws Exception
	{
		//
		selPanel.setWidth("99%");
		selPanel.setHeight("90%");
		selPanel.setStyle("border: none; position: absolute");
		lBPartner.setText("BPartner");
		DesktopTabpanel tabpanel = new DesktopTabpanel();
		tabpanel.appendChild(selPanel);
		Tabpanels tabPanels = new Tabpanels();
		tabPanels.appendChild(tabpanel);
		tabbedPane.appendChild(tabPanels);
		Tabs tabs = new Tabs();
		tabbedPane.appendChild(tabs);
		Tab tab = new Tab(Msg.getMsg(Env.getCtx(), "Select"));
		tabs.appendChild(tab);
		tabbedPane.getTabpanels();
		
		North north = new North();
		selPanel.appendChild(north);
		north.appendChild(selNorthPanel);
		Row row = selNorthPanel.newRows().newRow();
		row.appendChild(lWarehouse.rightAlign());
		row.appendChild(fWarehouse.getComponent());
		row.appendChild(new Space());
		row.appendChild(lBPartner.rightAlign());
		row.appendChild(fBPartner.getComponent());
		row.appendChild(new Space());
		
		South south = new South();
		selPanel.appendChild(south);
		south.appendChild(confirmPanelSel);
		
		Center center = new Center();
		selPanel.appendChild(center);
		center.appendChild(miniTable);
		center.setFlex(true);
		miniTable.setHeight("99%");
		confirmPanelSel.addActionListener(this);
		//
		tabpanel = new DesktopTabpanel();
		tabPanels.appendChild(tabpanel);
		tabpanel.appendChild(genPanel);
		tab = new Tab(Msg.getMsg(Env.getCtx(), "Generate"));
		tabs.appendChild(tab);
		genPanel.setWidth("99%");
		genPanel.setHeight("90%");
		genPanel.setStyle("border: none; position: absolute");
		center = new Center();
		genPanel.appendChild(center);
		Div div = new Div();
		div.appendChild(info);
		center.appendChild(div);
		south = new South();
		genPanel.appendChild(south);
		south.appendChild(confirmPanelGen);
		confirmPanelGen.addActionListener(this);
		
		row = new Row();
		selNorthPanel.getRows().appendChild(row);
		row.appendChild(lDocType.rightAlign());
		row.appendChild(cmbDocType);
	}	//	jbInit

	/**
	 *	Fill Picks.
	 *		Column_ID from C_Order
	 *  @throws Exception if Lookups cannot be initialized
	 */
	private void fillPicks() throws Exception
	{
		//	C_OrderLine.M_Warehouse_ID
		MLookup orgL = MLookupFactory.get (Env.getCtx(), m_WindowNo, 0, 2223, DisplayType.TableDir);
		fWarehouse = new WTableDirEditor ("M_Warehouse_ID", true, false, true, orgL);
		lWarehouse.setText(Msg.translate(Env.getCtx(), "M_Warehouse_ID"));
		fWarehouse.addValueChangeListener(this);
		fWarehouse.setValue(Env.getContextAsInt(Env.getCtx(), "#M_Warehouse_ID"));
		m_M_Warehouse_ID = fWarehouse.getValue();
		//	C_Order.C_BPartner_ID
		MLookup bpL = MLookupFactory.get (Env.getCtx(), m_WindowNo, 0, 2762, DisplayType.Search);
		fBPartner = new WSearchEditor("C_BPartner_ID", false, false, true, bpL);
		lBPartner.setText(Msg.translate(Env.getCtx(), "C_BPartner_ID"));
		fBPartner.addValueChangeListener(this);
		//Document Type Sales Order/Vendor RMA
		lDocType.setText(Msg.translate(Env.getCtx(), "C_DocType_ID"));
		cmbDocType.addItem(new KeyNamePair(MOrder.Table_ID, Msg.translate(Env.getCtx(), "Order")));
		cmbDocType.addItem(new KeyNamePair(MRMA.Table_ID, Msg.translate(Env.getCtx(), "VendorRMA")));
		cmbDocType.addActionListener(this);
		cmbDocType.setSelectedIndex(0);
	}	//	fillPicks

	/**
	 *	Dynamic Init.
	 *	- Create GridController & Panel
	 *	- AD_Column_ID from C_Order
	 */
	private void dynInit()
	{
		//  create Columns
		miniTable.addColumn("C_Order_ID");
		miniTable.addColumn("AD_Org_ID");
		miniTable.addColumn("C_DocType_ID");
		miniTable.addColumn("DocumentNo");
		miniTable.addColumn("C_BPartner_ID");
		miniTable.addColumn("DateOrdered");
		miniTable.addColumn("TotalLines");
		//
		miniTable.setMultiSelection(true);
//		miniTable.setRowSelectionAllowed(true);
		//  set details
		miniTable.setColumnClass(0, IDColumn.class, false, " ");
		miniTable.setColumnClass(1, String.class, true, Msg.translate(Env.getCtx(), "AD_Org_ID"));
		miniTable.setColumnClass(2, String.class, true, Msg.translate(Env.getCtx(), "C_DocType_ID"));
		miniTable.setColumnClass(3, String.class, true, Msg.translate(Env.getCtx(), "DocumentNo"));
		miniTable.setColumnClass(4, String.class, true, Msg.translate(Env.getCtx(), "C_BPartner_ID"));
		miniTable.setColumnClass(5, Timestamp.class, true, Msg.translate(Env.getCtx(), "DateOrdered"));
		miniTable.setColumnClass(6, BigDecimal.class, true, Msg.translate(Env.getCtx(), "TotalLines"));
		//
		miniTable.autoSize();
		miniTable.getModel().addTableModelListener(this);
		//	Info
		statusBar.setStatusLine(Msg.getMsg(Env.getCtx(), "InOutGenerateSel"));//@@
		statusBar.setStatusDB(" ");
		//	Tabbed Pane Listener
		tabbedPane.addEventListener(Events.ON_SELECT, this);
	}	//	dynInit

	/**
	 * Get SQL for Orders that needs to be shipped
	 * @return sql
	 */
	private String getOrderSQL()
	{
	//  Create SQL
        StringBuffer sql = new StringBuffer(
            "SELECT C_Order_ID, o.Name, dt.Name, DocumentNo, bp.Name, DateOrdered, TotalLines "
            + "FROM M_InOut_Candidate_v ic, AD_Org o, C_BPartner bp, C_DocType dt "
            + "WHERE ic.AD_Org_ID=o.AD_Org_ID"
            + " AND ic.C_BPartner_ID=bp.C_BPartner_ID"
            + " AND ic.C_DocType_ID=dt.C_DocType_ID"
            + " AND ic.AD_Client_ID=?");

        if (m_M_Warehouse_ID != null)
            sql.append(" AND ic.M_Warehouse_ID=").append(m_M_Warehouse_ID);
        if (m_C_BPartner_ID != null)
            sql.append(" AND ic.C_BPartner_ID=").append(m_C_BPartner_ID);
        
        // bug - [ 1713317 ] Generate Shipments (manual) show locked records
        /* begin - Exclude locked records; @Trifon */
        int AD_User_ID = Env.getContextAsInt(Env.getCtx(), "#AD_User_ID");
        String lockedIDs = MPrivateAccess.getLockedRecordWhere(MOrder.Table_ID, AD_User_ID);
        if (lockedIDs != null)
        {
            if (sql.length() > 0)
                sql.append(" AND ");
            sql.append("C_Order_ID").append(lockedIDs);
        }
        /* eng - Exclude locked records; @Trifon */
          
        //
        sql.append(" ORDER BY o.Name,bp.Name,DateOrdered");
        
        return sql.toString();
	}
	
	/**
	 * Get SQL for Vendor RMA that need to be shipped
	 * @return sql
	 */
	private String getRMASql()
	{
	    StringBuffer sql = new StringBuffer();
	    
	    sql.append("SELECT rma.M_RMA_ID, org.Name, dt.Name, rma.DocumentNo, bp.Name, rma.Created, rma.Amt ");
	    sql.append("FROM M_RMA rma INNER JOIN AD_Org org ON rma.AD_Org_ID=org.AD_Org_ID ");
	    sql.append("INNER JOIN C_DocType dt ON rma.C_DocType_ID=dt.C_DocType_ID ");
	    sql.append("INNER JOIN C_BPartner bp ON rma.C_BPartner_ID=bp.C_BPartner_ID ");
	    sql.append("INNER JOIN M_InOut io ON rma.InOut_ID=io.M_InOut_ID ");
	    sql.append("WHERE rma.DocStatus='CO' ");
	    sql.append("AND dt.DocBaseType = 'POO' ");
	    sql.append("AND EXISTS (SELECT * FROM M_RMA r INNER JOIN M_RMALine rl ");
	    sql.append("ON r.M_RMA_ID=rl.M_RMA_ID WHERE r.M_RMA_ID=rma.M_RMA_ID ");
	    sql.append("AND rl.IsActive='Y' AND rl.M_InOutLine_ID > 0 AND rl.QtyDelivered < rl.Qty) ");
	    sql.append("AND NOT EXISTS (SELECT * FROM M_InOut oio WHERE oio.M_RMA_ID=rma.M_RMA_ID ");
	    sql.append("AND oio.DocStatus IN ('IP', 'CO', 'CL')) " );
	    sql.append("AND rma.AD_Client_ID=?");
	    
	    if (m_M_Warehouse_ID != null)
            sql.append(" AND io.M_Warehouse_ID=").append(m_M_Warehouse_ID);
        if (m_C_BPartner_ID != null)
            sql.append(" AND bp.C_BPartner_ID=").append(m_C_BPartner_ID);
        
        int AD_User_ID = Env.getContextAsInt(Env.getCtx(), "#AD_User_ID");
        String lockedIDs = MPrivateAccess.getLockedRecordWhere(MRMA.Table_ID, AD_User_ID);
        if (lockedIDs != null)
        {
            sql.append(" AND rma.M_RMA_ID").append(lockedIDs);
        }
	    
	    sql.append(" ORDER BY org.Name, bp.Name, rma.Created ");

	    return sql.toString();
	}
	
	/**
	 *  Query Info
	 */
	private void executeQuery()
	{
		log.info("");
		int AD_Client_ID = Env.getAD_Client_ID(Env.getCtx());
		
		String sql = "";
		
		KeyNamePair docTypeKNPair = cmbDocType.getSelectedItem().toKeyNamePair();
		
		if (docTypeKNPair.getKey() == MRMA.Table_ID)
		{
		    sql = getRMASql();
		}
		else
		{
		    sql = getOrderSQL();
		}

		log.fine(sql);
		//  reset table
		int row = 0;
		miniTable.setRowCount(row);
		//  Execute
		try
		{
			PreparedStatement pstmt = DB.prepareStatement(sql.toString(), null);
			pstmt.setInt(1, AD_Client_ID);
			ResultSet rs = pstmt.executeQuery();
			//
			while (rs.next())
			{
				//  extend table
				miniTable.setRowCount(row+1);
				//  set values
				miniTable.setValueAt(new IDColumn(rs.getInt(1)), row, 0);   //  C_Order_ID
				miniTable.setValueAt(rs.getString(2), row, 1);              //  Org
				miniTable.setValueAt(rs.getString(3), row, 2);              //  DocType
				miniTable.setValueAt(rs.getString(4), row, 3);              //  Doc No
				miniTable.setValueAt(rs.getString(5), row, 4);              //  BPartner
				miniTable.setValueAt(rs.getTimestamp(6), row, 5);           //  DateOrdered
				miniTable.setValueAt(rs.getBigDecimal(7), row, 6);          //  TotalLines
				//  prepare next
				row++;
			}
			rs.close();
			pstmt.close();
		}
		catch (SQLException e)
		{
			log.log(Level.SEVERE, sql.toString(), e);
		}
		//
		miniTable.repaint();
		this.invalidate();
	//	statusBar.setStatusDB(String.valueOf(miniTable.getRowCount()));
	}   //  executeQuery

	/**
	 *	Action Listener
	 *  @param e event
	 */
	public void onEvent(Event e)
	{
		log.info("Cmd=" + e.getTarget().getId());
		//
		if (e.getTarget().getId().equals(ConfirmPanel.A_CANCEL))
		{
			dispose();
			return;
		}
		else if (e.getTarget() instanceof Tab)
		{
			int index = tabbedPane.getSelectedIndex();
			m_selectionActive = (index == 0);
			return;
		}
		else if (cmbDocType.equals(e.getTarget()))
		{
		    executeQuery();
		    return;
		}
		
		if (m_selectionActive && 
			(m_M_Warehouse_ID == null || (Integer)m_M_Warehouse_ID <= 0)) {
			throw new WrongValueException(fWarehouse.getComponent(), Msg.translate(Env.getCtx(), "FillMandatory"));
		}
		//
		saveSelection();
		if (selection != null
			&& selection.size() > 0
			&& m_selectionActive	//	on selection tab
			&& m_M_Warehouse_ID != null)
			generateShipments ();
		else
			dispose();
	}	//	actionPerformed

	/**
	 *	Value Change Listener - requery
	 *  @param e event
	 */
	public void valueChange(ValueChangeEvent e)
	{
		log.info(e.getPropertyName() + "=" + e.getNewValue());
		if (e.getPropertyName().equals("M_Warehouse_ID"))
			m_M_Warehouse_ID = e.getNewValue();
		if (e.getPropertyName().equals("C_BPartner_ID"))
		{
			m_C_BPartner_ID = e.getNewValue();
			fBPartner.setValue(m_C_BPartner_ID);	//	display value
		}
		executeQuery();
	}	//	vetoableChange


	/**
	 *  Table Model Listener
	 *  @param e event
	 */
	public void tableChanged(WTableModelEvent e)
	{
		int rowsSelected = 0;
		int rows = miniTable.getRowCount();
		for (int i = 0; i < rows; i++)
		{
			IDColumn id = (IDColumn)miniTable.getValueAt(i, 0);     //  ID in column 0
			if (id != null && id.isSelected())
				rowsSelected++;
		}
		statusBar.setStatusDB(" " + rowsSelected + " ");
	}   //  tableChanged

	/**
	 *	Save Selection & return selecion Query or ""
	 *  @return where clause like C_Order_ID IN (...)
	 */
	private void saveSelection()
	{
		log.info("");
		//  ID selection may be pending
//		miniTable.editingStopped(new ChangeEvent(this));
		//  Array of Integers
		ArrayList<Integer> results = new ArrayList<Integer>();
		selection = null;

		//	Get selected entries
		int rows = miniTable.getRowCount();
		for (int i = 0; i < rows; i++)
		{
			IDColumn id = (IDColumn)miniTable.getValueAt(i, 0);     //  ID in column 0
		//	log.fine( "Row=" + i + " - " + id);
			if (id != null && id.isSelected())
				results.add(id.getRecord_ID());
		}

		if (results.size() == 0)
			return;
		log.config("Selected #" + results.size());
		selection = results;
	}	//	saveSelection

	
	/**************************************************************************
	 *	Generate Shipments
	 */
	private void generateShipments ()
	{
		log.info("M_Warehouse_ID=" + m_M_Warehouse_ID);
		String trxName = Trx.createTrxName("IOG");	
		Trx trx = Trx.get(trxName, true);	//trx needs to be committed too
//		String trxName = null;
//		Trx trx = null;

		m_selectionActive = false;  //  prevents from being called twice
		statusBar.setStatusLine(Msg.getMsg(Env.getCtx(), "InOutGenerateGen"));
		statusBar.setStatusDB(String.valueOf(selection.size()));

		//	Prepare Process
        int AD_Process_ID = 0;    
        KeyNamePair docTypeKNPair = (KeyNamePair)cmbDocType.getSelectedItem().toKeyNamePair();
        
        if (docTypeKNPair.getKey() == MRMA.Table_ID)
        {
            AD_Process_ID = 52001; // M_InOut_GenerateRMA - org.adempiere.process.InOutGenerateRMA
        }
        else
        {
            AD_Process_ID = 199;      // M_InOut_Generate - org.compiere.process.InOutGenerate
        }
		
		MPInstance instance = new MPInstance(Env.getCtx(), AD_Process_ID, 0);
		if (!instance.save())
		{
			info.setContent(Msg.getMsg(Env.getCtx(), "ProcessNoInstance"));
			return;
		}
		
		//insert selection
		StringBuffer insert = new StringBuffer();
		insert.append("INSERT INTO T_SELECTION(AD_PINSTANCE_ID, T_SELECTION_ID) ");
		int counter = 0;
		for(Integer selectedId : selection)
		{
			counter++;
			if (counter > 1)
				insert.append(" UNION ");
			insert.append("SELECT ");
			insert.append(instance.getAD_PInstance_ID());
			insert.append(", ");
			insert.append(selectedId);
			insert.append(" FROM DUAL ");
			
			if (counter == 1000) 
			{
				if ( DB.executeUpdate(insert.toString(), trxName) < 0 )
				{
					String msg = "No Shipments";     //  not translated!
					log.config(msg);
					info.setContent(msg);
					trx.rollback();
					return;
				}
				insert = new StringBuffer();
				insert.append("INSERT INTO T_SELECTION(AD_PINSTANCE_ID, T_SELECTION_ID) ");
				counter = 0;
			}
		}
		if (counter > 0)
		{
			if ( DB.executeUpdate(insert.toString(), trxName) < 0 )
			{
				String msg = "No Shipments";     //  not translated!
				log.config(msg);
				info.setContent(msg);
				trx.rollback();
				return;
			}
		}
		
		//call process
		m_pi = new ProcessInfo ("VInOutGen", AD_Process_ID);
		m_pi.setAD_PInstance_ID (instance.getAD_PInstance_ID());

		//	Add Parameter - Selection=Y
		MPInstancePara ip = new MPInstancePara(instance, 10);
		ip.setParameter("Selection","Y");
		if (!ip.save())
		{
			String msg = "No Parameter added";  //  not translated
			info.setContent(msg);
			log.log(Level.SEVERE, msg);
			return;
		}
		//	Add Parameter - M_Warehouse_ID=x
		ip = new MPInstancePara(instance, 20);
		ip.setParameter("M_Warehouse_ID", Integer.parseInt(m_M_Warehouse_ID.toString()));
		if (!ip.save())
		{
			String msg = "No Parameter added";  //  not translated
			info.setContent(msg);
			log.log(Level.SEVERE, msg);
			return;
		}

		//	Execute Process
		if (!getDesktop().isServerPushEnabled())
			getDesktop().enableServerPush(true);

		this.lockUI();
		final ProcessCtl worker = new ProcessCtl(null, m_WindowNo, m_pi, trx);
		Runnable runnable = new Runnable() {
			public void run() {
				//get full control of desktop
				org.zkoss.zk.ui.Desktop desktop = WInOutGen.this.getDesktop();
				try {
					Executions.activate(desktop);
					try {                    						
						worker.run();     //  complete tasks in unlockUI / generateShipments_complete						
					} finally{						
						unlockUI();
						//release full control of desktop
						Executions.deactivate(desktop);
					}
				} catch (DesktopUnavailableException e) {
					log.log(Level.SEVERE, e.getLocalizedMessage(), e);
				} catch (InterruptedException e) {
					log.log(Level.WARNING, e.getLocalizedMessage(), e);
				}												
			}			
		};
		new Thread(runnable).start();				
		//
	}	//	generateShipments

	/**
	 *  Complete generating shipments.
	 *  Called from Unlock UI
	 *  @param pi process info
	 */
	private void generateShipments_complete ()
	{
		Clients.showBusy(null, false);
		
		//  Switch Tabs
		tabbedPane.setSelectedIndex(1);
		//
		ProcessInfoUtil.setLogFromDB(m_pi);
		StringBuffer iText = new StringBuffer();
		iText.append("<b>").append(m_pi.getSummary())
			.append("</b><br>(")
			.append(Msg.getMsg(Env.getCtx(), "InOutGenerateInfo"))
			//  Shipments are generated depending on the Delivery Rule selection in the Order
			.append(")<br>")
			.append(m_pi.getLogInfo(true));
		info.setContent(iText.toString());

		//	Get results
		int[] ids = m_pi.getIDs();
		if (ids == null || ids.length == 0)
			return;
		log.config("PrintItems=" + ids.length);
		
		m_ids = ids;
		Clients.response(new AuEcho(this, "onAfterProcess", null));
		
	}   //  generateShipments_complete
	
	
	public void onAfterProcess()
	{
		//	OK to print shipments
		if (FDialog.ask(m_WindowNo, this, "PrintShipments"))
		{
			//	info.append("\n\n" + Msg.getMsg(Env.getCtx(), "PrintShipments"));
			Clients.showBusy("Processing...", true);
			Clients.response(new AuEcho(this, "onPrintShipments", null));			
		}	//	OK to print shipments
	}
	
	public void onPrintShipments() 
	{
//		Loop through all items
		List<File> pdfList = new ArrayList<File>();
		for (int i = 0; i < m_ids.length; i++)
		{
			int M_InOut_ID = m_ids[i];
			ReportEngine re = ReportEngine.get (Env.getCtx(), ReportEngine.SHIPMENT, M_InOut_ID);
			pdfList.add(re.getPDF());				
		}
		
		if (pdfList.size() > 1) {
			try {
				File outFile = File.createTempFile("WInOutGen", ".pdf");					
				AEnv.mergePdf(pdfList, outFile);

				Clients.showBusy(null, false);
				Window win = new SimplePDFViewer(this.getFormName(), new FileInputStream(outFile));
				SessionManager.getAppDesktop().showWindow(win, "center");
			} catch (Exception e) {
				log.log(Level.SEVERE, e.getLocalizedMessage(), e);
			}
		} else if (pdfList.size() > 0) {
			Clients.showBusy(null, false);
			try {
				Window win = new SimplePDFViewer(this.getFormName(), new FileInputStream(pdfList.get(0)));
				SessionManager.getAppDesktop().showWindow(win, "center");
			} catch (Exception e)
			{
				log.log(Level.SEVERE, e.getLocalizedMessage(), e);
			}
		}
	}

	/**************************************************************************
	 *  Lock User Interface.
	 *  Called from the Worker before processing
	 *  @param pi process info
	 */
	public void lockUI ()
	{
		Clients.showBusy("Processing...", true);
	}   //  lockUI

	/**
	 *  Unlock User Interface.
	 *  Called from the Worker when processing is done
	 *  @param pi result of execute ASync call
	 */
	public void unlockUI ()
	{		
		generateShipments_complete();
	}   //  unlockUI
	
	@Override
	public void dispose() {
		SessionManager.getAppDesktop().closeActiveWindow();
	}

}	//	VInOutGen
