IDEMPIERE-309 Process UI: Add ask and file download dialog support

org.adempiere.base/src/org/adempiere/util/Callback.java

@@ -11,7 +11,7 @@
  * with this program; if not, write to the Free Software Foundation, Inc.,    *
  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.                     *
  *****************************************************************************/
-package org.adempiere.webui.util;
+package org.adempiere.util;
 
 /**
  * 

org.adempiere.base/src/org/adempiere/util/IProcessMonitor.java

@@ -1,33 +0,0 @@
-package org.adempiere.util;
-
-import org.compiere.process.ProcessInfo;
-
-public interface IProcessMonitor {
-
-	/**
-	 *  Lock User Interface.
-	 *  Called from the Worker before processing
-	 *  @param pi process info
-	 */
-	public void lockUI (ProcessInfo pi);
-
-	/**
-	 *  Unlock User Interface.
-	 *  Called from the Worker when processing is done
-	 *  @param pi process info
-	 */
-	public void unlockUI (ProcessInfo pi);
-
-	/**
-	 *  Is the UI locked
-	 *  @return true, if UI is locked
-	 */
-	public boolean isUILocked();
-	
-	/**
-	 * 
-	 * @param message
-	 */
-	public void statusUpdate(String message);
-	
-}

org.adempiere.base/src/org/adempiere/util/IProcessUI.java

@@ -0,0 +1,86 @@
+/******************************************************************************
+ * Copyright (C) 2012 Heng Sin Low                                            *
+ * Copyright (C) 2012 Trek Global                 							  *
+ * 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.                     *
+ *****************************************************************************/
+package org.adempiere.util;
+
+import java.io.File;
+
+import org.compiere.process.ProcessInfo;
+
+/**
+ * 
+ * @author hengsin
+ *
+ */
+public interface IProcessUI {
+
+	/**
+	 *  Lock User Interface.
+	 *  Called from the Worker before processing
+	 *  @param pi process info
+	 */
+	public void lockUI (ProcessInfo pi);
+
+	/**
+	 *  Unlock User Interface.
+	 *  Called from the Worker when processing is done
+	 *  @param pi process info
+	 */
+	public void unlockUI (ProcessInfo pi);
+
+	/**
+	 *  Is the UI locked
+	 *  @return true, if UI is locked
+	 */
+	public boolean isUILocked();
+	
+	/**
+	 * Provide status feedback to user
+	 * @param message
+	 */
+	public void statusUpdate(String message);
+	
+	/**
+	 * Prompt for user input.
+	 * 
+	 * Example Usage in process:
+	 * <pre>
+	 * 	    final StringBuffer answer = new StringBuffer();
+	 *		aProcessMonitor.ask(adMessage, new Callback<String>() {				
+	 *			@Override
+	 *			public void onCallback(String result) {
+	 *				answer.append(result != null ? result : "-");
+	 *			}
+	 *		});
+	 *      
+	 *      //wait for answer		
+	 *		while (answer.length() == 0) {
+	 *			try {
+	 *				Thread.sleep(200);
+	 *			} catch (InterruptedException e) {}
+	 *		}
+	 *
+	 *      //process answer from user
+	 *      ...
+	 * </pre>
+	 * @param message
+	 * @param callback
+	 */
+	public void ask(String message, Callback<String> callback);
+	
+	/**
+	 * add to list of file available for download after process end 
+	 * @param file
+	 */
+	public void download(File file);
+}

org.adempiere.base/src/org/adempiere/util/ProcessUtil.java

@@ -144,7 +144,7 @@ public final class ProcessUtil {
 	 * @param managedTrx false if trx is managed by caller
 	 * @return boolean
 	 */
-	public static boolean startJavaProcess(Properties ctx, ProcessInfo pi, Trx trx, boolean managedTrx, IProcessMonitor processMonitor) {
+	public static boolean startJavaProcess(Properties ctx, ProcessInfo pi, Trx trx, boolean managedTrx, IProcessUI processMonitor) {
 		String className = pi.getClassName();
 		if (className == null) {
 			MProcess proc = new MProcess(ctx, pi.getAD_Process_ID(), trx.getTrxName());
@@ -208,14 +208,14 @@ public final class ProcessUtil {
 		boolean success = false;
 		try
 		{			
-			process.setProcessMonitor(processMonitor);
+			process.setProcessUI(processMonitor);
 			success = process.startProcess(ctx, pi, trx);
 			if (success && trx != null && managedTrx)
 			{
 				trx.commit(true);
 			}
 		}
-		catch (Exception e)
+		catch (Throwable e)
 		{
 			pi.setSummary (Msg.getMsg(Env.getCtx(), "ProcessError") + " " + e.getLocalizedMessage(), true);
 			log.log(Level.SEVERE, pi.getClassName(), e);

org.adempiere.base/src/org/compiere/process/ProcessCall.java

@@ -18,7 +18,7 @@ package org.compiere.process;
 
 import java.util.Properties;
 
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.IProcessUI;
 import org.compiere.util.Trx;
 
 /**
@@ -49,6 +49,6 @@ public interface ProcessCall
 	/**
 	 * @param processMonitor
 	 */
-	public void setProcessMonitor(IProcessMonitor processMonitor);
+	public void setProcessUI(IProcessUI processUI);
 
 }   //  ProcessCall

org.adempiere.base/src/org/compiere/process/SvrProcess.java

@@ -25,7 +25,7 @@ import java.sql.Timestamp;
 import java.util.Properties;
 import java.util.logging.Level;
 
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.IProcessUI;
 import org.compiere.model.MPInstance;
 import org.compiere.model.PO;
 import org.compiere.util.CLogger;
@@ -52,7 +52,7 @@ import org.compiere.util.Trx;
 public abstract class SvrProcess implements ProcessCall
 {
 	public static final String PROCESS_INFO_CTX_KEY = "ProcessInfo";
-	public static final String PROCESS_MONITOR_CTX_KEY = "ProcessMonitor";
+	public static final String PROCESS_UI_CTX_KEY = "ProcessUI";
 	
 	/**
 	 *  Server Process.
@@ -75,7 +75,7 @@ public abstract class SvrProcess implements ProcessCall
 	private PO					m_lockedObject = null;
 	/** Process Main transaction 		*/
 	private Trx 				m_trx;
-	private IProcessMonitor 	processMonitor;
+	protected IProcessUI 	processUI;
 
 	/**	Common Error Message			*/
 	protected static String 	MSG_SaveErrorRowNotFound = "@SaveErrorRowNotFound@";
@@ -111,14 +111,14 @@ public abstract class SvrProcess implements ProcessCall
 		try 
 		{
 			m_ctx.put(PROCESS_INFO_CTX_KEY, m_pi);
-			if (processMonitor != null)
+			if (processUI != null)
-				m_ctx.put(PROCESS_MONITOR_CTX_KEY, processMonitor);
+				m_ctx.put(PROCESS_UI_CTX_KEY, processUI);
 			success = process();			
 		}
 		finally
 		{
 			m_ctx.remove(PROCESS_INFO_CTX_KEY);
-			m_ctx.remove(PROCESS_MONITOR_CTX_KEY);
+			m_ctx.remove(PROCESS_UI_CTX_KEY);
 			if (localTrx)
 			{
 				if (success)
@@ -536,9 +536,9 @@ public abstract class SvrProcess implements ProcessCall
 	}	//	get_TrxName
 
 	@Override
-	public void setProcessMonitor(IProcessMonitor monitor)
+	public void setProcessUI(IProcessUI monitor)
 	{
-		processMonitor = monitor;
+		processUI = monitor;
 	}
 	
 	/**
@@ -547,9 +547,9 @@ public abstract class SvrProcess implements ProcessCall
 	 */
 	protected void statusUpdate(String message)
 	{
-		if (processMonitor != null)
+		if (processUI != null)
 		{
-			processMonitor.statusUpdate(message);
+			processUI.statusUpdate(message);
 		}
 	}
 }   //  SvrProcess

org.adempiere.base/src/org/compiere/util/ASyncProcess.java

@@ -16,7 +16,7 @@
  *****************************************************************************/
 package org.compiere.util;
 
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.IProcessUI;
 import org.compiere.process.ProcessInfo;
 
 /**
@@ -38,7 +38,7 @@ import org.compiere.process.ProcessInfo;
  *  @version    $Id: ASyncProcess.java,v 1.2 2006/07/30 00:51:05 jjanke Exp $
  *  @deprecated
  */
-public interface ASyncProcess extends IProcessMonitor
+public interface ASyncProcess extends IProcessUI
 {
 	/**
 	 *  Method to be executed async.

org.adempiere.pipo/src/org/adempiere/pipo2/PackOutProcess.java

@@ -97,17 +97,10 @@ public class PackOutProcess extends SvrProcess
 
 			if (packageExp.getAD_Package_Exp_ID() == p_PackOut_ID){
 				//Create the package documentation
-				packoutDirectory = packageExp.getFile_Directory();
+				packoutDirectory = Adempiere.getAdempiereHome().trim();
-				if (packoutDirectory == null || packoutDirectory.trim().length() == 0) {
+				if (!packoutDirectory.endsWith("/") && !packoutDirectory.endsWith("\\"))
-					packoutDirectory = Adempiere.getAdempiereHome().trim();
+					packoutDirectory+= File.separator;
-					if (!packoutDirectory.endsWith("/") && !packoutDirectory.endsWith("\\"))
+				packoutDirectory = packoutDirectory + "packout" + File.separator;
-						packoutDirectory+= File.separator;
-					packoutDirectory = packoutDirectory + "packout" + File.separator;
-				} else {
-					packoutDirectory = packoutDirectory.trim();
-					if (!packoutDirectory.endsWith("/") && !packoutDirectory.endsWith("\\"))
-						packoutDirectory+= File.separator;
-				}
 
 				//create packout folder if needed
 				File packoutDirectoryFile = new File(packoutDirectory);
@@ -152,6 +145,9 @@ public class PackOutProcess extends SvrProcess
 			throw e;
 		}
 
+		if (processUI != null)
+			processUI.download(new File(exportFile));
+		
 		return "Exported="+processedCount + " File=" + exportFile;
 	}	//	doIt
 

org.adempiere.report.jasper/src/org/compiere/report/ReportStarter.java

@@ -65,7 +65,7 @@ import net.sf.jasperreports.engine.util.JRSwapFile;
 import org.adempiere.base.Service;
 import org.adempiere.exceptions.AdempiereException;
 import org.adempiere.exceptions.DBException;
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.IProcessUI;
 import org.compiere.model.MAttachment;
 import org.compiere.model.MAttachmentEntry;
 import org.compiere.model.MProcess;
@@ -120,7 +120,8 @@ public class ReportStarter implements ProcessCall, ClientProcess
 
 	private ProcessInfo processInfo;
 	private MAttachment attachment;
-	private IProcessMonitor m_processMonitor;
+	@SuppressWarnings("unused")
+	private IProcessUI m_processUI;
 
     /**
      * @author rlemeill
@@ -1164,8 +1165,8 @@ public class ReportStarter implements ProcessCall, ClientProcess
     }
 
 	@Override
-	public void setProcessMonitor(IProcessMonitor processMonitor) {
+	public void setProcessUI(IProcessUI processUI) {
-		m_processMonitor = processMonitor;
+		m_processUI = processUI;
 	}
 
 }

org.adempiere.ui.swing/src/org/compiere/apps/APanel.java

@@ -29,6 +29,7 @@ import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.InputEvent;
 import java.awt.event.KeyEvent;
+import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
@@ -59,7 +60,8 @@ import javax.swing.SwingUtilities;
 import javax.swing.event.ChangeEvent;
 import javax.swing.event.ChangeListener;
 
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.Callback;
+import org.adempiere.util.IProcessUI;
 import org.compiere.apps.form.FormFrame;
 import org.compiere.apps.search.Find;
 import org.compiere.grid.APanelTab;
@@ -144,7 +146,7 @@ import org.compiere.util.Util;
  *  @sponsor www.metas.de
  */
 public final class APanel extends CPanel
-	implements DataStatusListener, ChangeListener, ActionListener, IProcessMonitor, SystemIDs
+	implements DataStatusListener, ChangeListener, ActionListener, IProcessUI, SystemIDs
 {
 	/**
 	 * 
@@ -2968,4 +2970,16 @@ public final class APanel extends CPanel
 
 	}	//	updateToolBarAndMenuWithRestriction
 
+	@Override
+	public void ask(String message, Callback<String> callback) {
+		boolean  b = ADialog.ask(m_curWindowNo, this, message);
+		if (callback != null) {
+			callback.onCallback(b ? "OK" : "CANCEL");
+		}
+	}
+
+	@Override
+	public void download(File file) {
+	}
+
 }	//	APanel

org.adempiere.ui.swing/src/org/compiere/apps/ClientProcessCtrl.java

@@ -2,7 +2,7 @@ package org.compiere.apps;
 
 import java.awt.Container;
 
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.IProcessUI;
 import org.compiere.model.MPInstance;
 import org.compiere.process.ProcessInfo;
 import org.compiere.util.CLogger;
@@ -34,7 +34,7 @@ public class ClientProcessCtrl {
 	 *  @param trx Transaction
 	 *  @return worker started ProcessCtl instance or null for workflow
 	 */
-	public static ProcessCtl process (IProcessMonitor parent, int WindowNo, ProcessInfo pi, Trx trx)
+	public static ProcessCtl process (IProcessUI parent, int WindowNo, ProcessInfo pi, Trx trx)
 	{
 		log.fine("WindowNo=" + WindowNo + " - " + pi);
 

org.adempiere.ui.swing/src/org/compiere/apps/ProcessCtl.java

@@ -21,7 +21,7 @@ import java.awt.Container;
 import javax.swing.JFrame;
 import javax.swing.SwingUtilities;
 
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.IProcessUI;
 import org.compiere.model.MPInstance;
 import org.compiere.process.ProcessInfo;
 import org.compiere.util.CLogger;
@@ -64,7 +64,7 @@ public class ProcessCtl extends AbstractProcessCtl
 	 *  @param trx Transaction
 	 *  @return worker started ProcessCtl instance or null for workflow
 	 */
-	public static ProcessCtl process (IProcessMonitor parent, int WindowNo, ProcessInfo pi, Trx trx)
+	public static ProcessCtl process (IProcessUI parent, int WindowNo, ProcessInfo pi, Trx trx)
 	{
 		log.fine("WindowNo=" + WindowNo + " - " + pi);
 
@@ -142,7 +142,7 @@ public class ProcessCtl extends AbstractProcessCtl
 	 *  @param trx Transaction
 	 *  @return worker started ProcessCtl instance or null for workflow
 	 */
-	public static ProcessCtl process(IProcessMonitor parent, int WindowNo, IProcessParameter parameter, ProcessInfo pi, Trx trx)
+	public static ProcessCtl process(IProcessUI parent, int WindowNo, IProcessParameter parameter, ProcessInfo pi, Trx trx)
 	{
 		log.fine("WindowNo=" + WindowNo + " - " + pi);
 
@@ -206,7 +206,7 @@ public class ProcessCtl extends AbstractProcessCtl
 	 *  @param trx Transaction
 	 *  Created in process(), VInvoiceGen.generateInvoices
 	 */
-	public ProcessCtl (IProcessMonitor parent, int WindowNo, ProcessInfo pi, Trx trx)
+	public ProcessCtl (IProcessUI parent, int WindowNo, ProcessInfo pi, Trx trx)
 	{
 		super(parent, WindowNo, pi, trx);
 	}   //  ProcessCtl
@@ -317,14 +317,14 @@ public class ProcessCtl extends AbstractProcessCtl
 	abstract class ProcessUpdateRunnable implements Runnable
 	{
 		protected ProcessInfo pi = null;
-		protected IProcessMonitor parent = null;
+		protected IProcessUI parent = null;
 		
 		public void setProcessInfo(ProcessInfo pi)
 		{
 			this.pi = pi;
 		}
 		
-		public void setParent(IProcessMonitor parent) 
+		public void setParent(IProcessUI parent) 
 		{
 			this.parent = parent;
 		}

org.adempiere.ui.swing/src/org/compiere/apps/ProcessDialog.java

@@ -24,6 +24,7 @@ import java.awt.FlowLayout;
 import java.awt.GraphicsConfiguration;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.io.File;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
@@ -36,7 +37,8 @@ import javax.swing.JSeparator;
 
 import org.adempiere.exceptions.AdempiereException;
 import org.adempiere.exceptions.DBException;
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.Callback;
+import org.adempiere.util.IProcessUI;
 import org.compiere.model.SystemIDs;
 import org.compiere.print.ReportCtl;
 import org.compiere.print.ReportEngine;
@@ -68,7 +70,7 @@ import org.compiere.util.Msg;
  *  				<li>BF [ 1963128 ] Running a process w/o trl should display an error
  */
 public class ProcessDialog extends CFrame
-	implements ActionListener, IProcessMonitor, SystemIDs
+	implements ActionListener, IProcessUI, SystemIDs
 {
 	/**
 	 * 
@@ -523,4 +525,18 @@ public class ProcessDialog extends CFrame
 		message.setText(status);
 	}
 
+	@Override
+	public void ask(String message, Callback<String> callback) {
+		boolean  b = ADialog.ask(m_WindowNo, this, message);
+		if (callback != null) {
+			callback.onCallback(b ? "OK" : "CANCEL");
+		}
+	}
+
+	@Override
+	public void download(File file) {
+		// TODO Auto-generated method stub
+		
+	}
+
 }	//	ProcessDialog

org.adempiere.ui.swing/src/org/compiere/apps/ProcessModalDialog.java

@@ -32,7 +32,7 @@ import javax.swing.JScrollPane;
 import javax.swing.JSeparator;
 
 import org.adempiere.exceptions.DBException;
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.IProcessUI;
 import org.compiere.process.ProcessInfo;
 import org.compiere.swing.CButton;
 import org.compiere.swing.CDialog;
@@ -76,13 +76,13 @@ public class ProcessModalDialog extends CDialog
 	 * @param autoStart
 	 */
 	public ProcessModalDialog (Properties ctx, Frame parent, String title, 
-			IProcessMonitor aProcess, int WindowNo, int AD_Process_ID,
+			IProcessUI aProcess, int WindowNo, int AD_Process_ID,
 			int tableId, int recordId, boolean autoStart)
 	{
 		super(parent, title, true);
 		log.info("Process=" + AD_Process_ID );
 		m_ctx = ctx;
-		m_processMonitor = aProcess;
+		m_processUI = aProcess;
 		m_WindowNo = WindowNo;
 		m_AD_Process_ID = AD_Process_ID;
 		m_tableId = tableId;
@@ -99,7 +99,7 @@ public class ProcessModalDialog extends CDialog
 		}
 	}	//	ProcessDialog
 
-	private IProcessMonitor m_processMonitor;
+	private IProcessUI m_processUI;
 	private int m_WindowNo;
 	private Properties m_ctx;
 	private int m_tableId;
@@ -333,7 +333,7 @@ public class ProcessModalDialog extends CDialog
 	{
 		if (e.getSource() == bOK)
 		{
-			ProcessCtl.process(m_processMonitor, m_WindowNo, parameterPanel, m_pi, null);
+			ProcessCtl.process(m_processUI, m_WindowNo, parameterPanel, m_pi, null);
 			dispose();
 		}
 

org.adempiere.ui.swing/src/org/compiere/apps/form/VGenPanel.java

@@ -18,6 +18,7 @@ import java.awt.Cursor;
 import java.awt.FlowLayout;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.io.File;
 import java.util.logging.Level;
 
 import javax.swing.JOptionPane;
@@ -28,7 +29,8 @@ import javax.swing.event.TableModelEvent;
 import javax.swing.event.TableModelListener;
 
 import org.adempiere.plaf.AdempierePLAF;
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.Callback;
+import org.adempiere.util.IProcessUI;
 import org.compiere.apps.ADialog;
 import org.compiere.apps.ADialogDialog;
 import org.compiere.apps.AEnv;
@@ -58,7 +60,7 @@ import org.compiere.util.Msg;
  * Generate custom form panel
  * 
  */
-public class VGenPanel extends CPanel implements ActionListener, ChangeListener, TableModelListener, IProcessMonitor
+public class VGenPanel extends CPanel implements ActionListener, ChangeListener, TableModelListener, IProcessUI
 {
 	/**
 	 * 
@@ -385,4 +387,18 @@ public class VGenPanel extends CPanel implements ActionListener, ChangeListener,
 	public void statusUpdate(String message) {
 		statusBar.setStatusLine(message);
 	}
+
+	@Override
+	public void ask(String message, Callback<String> callback) {
+		boolean  b = ADialog.ask(m_WindowNo, this, message);
+		if (callback != null) {
+			callback.onCallback(b ? "OK" : "CANCEL");
+		}
+	}
+
+	@Override
+	public void download(File file) {
+		// TODO Auto-generated method stub
+		
+	}
 }

org.adempiere.ui.swing/src/org/compiere/apps/form/VPaySelect.java

@@ -25,6 +25,7 @@ import java.awt.GridBagLayout;
 import java.awt.Insets;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.io.File;
 import java.sql.Timestamp;
 import java.util.ArrayList;
 import java.util.logging.Level;
@@ -35,7 +36,8 @@ import javax.swing.JScrollPane;
 import javax.swing.event.TableModelEvent;
 import javax.swing.event.TableModelListener;
 
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.Callback;
+import org.adempiere.util.IProcessUI;
 import org.compiere.apps.ADialog;
 import org.compiere.apps.AEnv;
 import org.compiere.apps.ConfirmPanel;
@@ -66,7 +68,7 @@ import org.compiere.util.ValueNamePair;
  *  @author Jorg Janke
  *  @version $Id: VPaySelect.java,v 1.2 2008/07/11 08:20:12 cruiz Exp $
  */
-public class VPaySelect extends PaySelect implements FormPanel, ActionListener, TableModelListener, IProcessMonitor, SystemIDs
+public class VPaySelect extends PaySelect implements FormPanel, ActionListener, TableModelListener, IProcessUI, SystemIDs
 {
 	/** @todo withholding */
 	private CPanel panel = new CPanel();
@@ -444,4 +446,18 @@ public class VPaySelect extends PaySelect implements FormPanel, ActionListener,
 	public void statusUpdate(String message) {
 		dataStatus.setText(message);
 	}
+
+	@Override
+	public void ask(String message, Callback<String> callback) {
+		boolean  b = ADialog.ask(m_WindowNo, null, message);
+		if (callback != null) {
+			callback.onCallback(b ? "OK" : "CANCEL");
+		}
+	}
+
+	@Override
+	public void download(File file) {
+		// TODO Auto-generated method stub
+		
+	}
 }   //  VPaySelect

org.adempiere.ui.swing/src/org/compiere/print/AReport.java

@@ -27,7 +27,7 @@ import javax.sql.RowSet;
 import javax.swing.JComponent;
 import javax.swing.JPopupMenu;
 
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.IProcessUI;
 import org.compiere.apps.ADialog;
 import org.compiere.apps.ClientProcessCtrl;
 import org.compiere.apps.ProcessCtl;
@@ -73,7 +73,7 @@ public class AReport implements ActionListener
 	 *  @param parent The invoking parent window
 	 *  @param WindowNo The invoking parent window number
 	 */
-	public AReport (int AD_Table_ID, JComponent invoker, MQuery	query, IProcessMonitor parent, int WindowNo)
+	public AReport (int AD_Table_ID, JComponent invoker, MQuery	query, IProcessUI parent, int WindowNo)
 	{
 		log.config("AD_Table_ID=" + AD_Table_ID + " " + query);
 		if (!MRole.getDefault().isCanReport(AD_Table_ID))
@@ -100,7 +100,7 @@ public class AReport implements ActionListener
 	 *  @param whereExtended The filtering where clause
 	 *  @param WindowNo The invoking parent window number
 	 */
-	public AReport (int AD_Table_ID, JComponent invoker, MQuery	query, IProcessMonitor parent, int WindowNo, String whereExtended)
+	public AReport (int AD_Table_ID, JComponent invoker, MQuery	query, IProcessUI parent, int WindowNo, String whereExtended)
 	{
 		log.config("AD_Table_ID=" + AD_Table_ID + " " + query);
 		if (!MRole.getDefault().isCanReport(AD_Table_ID))
@@ -129,7 +129,7 @@ public class AReport implements ActionListener
 	/**	Logger			*/
 	private static CLogger log = CLogger.getCLogger(AReport.class);
 	/** The parent window for locking/unlocking during process execution */
-	IProcessMonitor parent;
+	IProcessUI parent;
 	/** The filter to apply to this report */
 	String m_whereExtended;
 	/** The parent window number */

org.adempiere.ui.swing/src/org/eevolution/form/VInOutInvoiceGen.java

@@ -22,6 +22,7 @@ import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.beans.PropertyChangeEvent;
 import java.beans.VetoableChangeListener;
+import java.io.File;
 import java.math.BigDecimal;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
@@ -38,7 +39,8 @@ import javax.swing.event.TableModelEvent;
 import javax.swing.event.TableModelListener;
 
 import org.adempiere.plaf.AdempierePLAF;
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.Callback;
+import org.adempiere.util.IProcessUI;
 import org.compiere.apps.ADialog;
 import org.compiere.apps.ADialogDialog;
 import org.compiere.apps.AEnv;
@@ -84,7 +86,7 @@ import org.compiere.util.Trx;
  */
 public class VInOutInvoiceGen extends CPanel
 	implements FormPanel, ActionListener, VetoableChangeListener, 
-		ChangeListener, TableModelListener, IProcessMonitor, SystemIDs
+		ChangeListener, TableModelListener, IProcessUI, SystemIDs
 {
 	/**
 	 * 
@@ -901,4 +903,18 @@ public class VInOutInvoiceGen extends CPanel
 	public void statusUpdate(String message) {
 		statusBar.setStatusLine(message);
 	}
+
+	@Override
+	public void ask(String message, Callback<String> callback) {
+		boolean  b = ADialog.ask(m_WindowNo, this, message);
+		if (callback != null) {
+			callback.onCallback(b ? "OK" : "CANCEL");
+		}
+	}
+
+	@Override
+	public void download(File file) {
+		// TODO Auto-generated method stub
+		
+	}
 }	//	VInOutGen

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/ProcessDialog.java

@@ -12,7 +12,8 @@ import java.util.Properties;
 import java.util.concurrent.Future;
 import java.util.logging.Level;
 
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.Callback;
+import org.adempiere.util.IProcessUI;
 import org.adempiere.util.ServerContext;
 import org.adempiere.webui.AdempiereWebUI;
 import org.adempiere.webui.component.Button;
@@ -22,6 +23,7 @@ import org.adempiere.webui.desktop.IDesktop;
 import org.adempiere.webui.process.WProcessInfo;
 import org.adempiere.webui.session.SessionManager;
 import org.adempiere.webui.window.FDialog;
+import org.adempiere.webui.window.MultiFileDownloadDialog;
 import org.adempiere.webui.window.SimplePDFViewer;
 import org.compiere.Adempiere;
 import org.compiere.model.SystemIDs;
@@ -81,7 +83,7 @@ import com.lowagie.text.pdf.PdfWriter;
  *  @author     arboleda - globalqss
  *  - Implement ShowHelp option on processes and reports
  */
-public class ProcessDialog extends Window implements EventListener<Event>, IProcessMonitor, SystemIDs
+public class ProcessDialog extends Window implements EventListener<Event>, IProcessUI, SystemIDs
 {
 	/**
 	 * generate serial version ID
@@ -92,6 +94,7 @@ public class ProcessDialog extends Window implements EventListener<Event>, IProc
 	private Center center;
 	private North north;
 
+	private List<File> downloadFiles;
 	
 	/**
 	 * Dialog to start a process/report
@@ -315,6 +318,9 @@ public class ProcessDialog extends Window implements EventListener<Event>, IProc
 		m_pi.setPrintPreview(true);
 
 		this.lockUI(m_pi);
+		
+		downloadFiles = new ArrayList<File>();
+		
 		Clients.response(new AuEcho(this, "runProcess", null));
 	}
 
@@ -344,6 +350,12 @@ public class ProcessDialog extends Window implements EventListener<Event>, IProc
 		future = null;			
 		processDialogRunnable = null;
 		unlockUI(m_pi);
+		if (downloadFiles.size() > 0) {
+			MultiFileDownloadDialog downloadDialog = new MultiFileDownloadDialog(downloadFiles.toArray(new File[0]));
+			downloadDialog.setPage(this.getPage());
+			downloadDialog.setTitle(m_pi.getTitle());
+			Events.postEvent(downloadDialog, new Event(MultiFileDownloadDialog.ON_SHOW));
+		}
 	}
 	
 	private void onStatusUpdate(Event event) {
@@ -664,4 +676,19 @@ public class ProcessDialog extends Window implements EventListener<Event>, IProc
 	public void statusUpdate(String message) {
 		Executions.schedule(getDesktop(), this, new Event(ON_STATUS_UPDATE, this, message));
 	}
+
+	@Override
+	public void ask(final String message, final Callback<String> callback) {
+		Executions.schedule(getDesktop(), new EventListener<Event>() {
+			@Override
+			public void onEvent(Event event) throws Exception {
+				FDialog.ask(m_WindowNo, null, message, callback);
+			}
+		}, new Event("onAsk"));
+	}
+
+	@Override
+	public void download(File file) {
+		downloadFiles.add(file);
+	}
 }	//	ProcessDialog

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/ProcessModalDialog.java

@@ -16,14 +16,18 @@
  *****************************************************************************/
 package org.adempiere.webui.apps;
 
+import java.io.File;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Properties;
 import java.util.concurrent.Future;
 import java.util.logging.Level;
 
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.Callback;
+import org.adempiere.util.IProcessUI;
 import org.adempiere.util.ServerContext;
 import org.adempiere.webui.AdempiereWebUI;
 import org.adempiere.webui.LayoutUtils;
@@ -32,6 +36,8 @@ import org.adempiere.webui.component.Panel;
 import org.adempiere.webui.component.VerticalBox;
 import org.adempiere.webui.component.Window;
 import org.adempiere.webui.event.DialogEvents;
+import org.adempiere.webui.window.FDialog;
+import org.adempiere.webui.window.MultiFileDownloadDialog;
 import org.compiere.Adempiere;
 import org.compiere.process.ProcessInfo;
 import org.compiere.util.CLogger;
@@ -61,7 +67,7 @@ import org.zkoss.zul.Html;
  *  @author     arboleda - globalqss
  *  - Implement ShowHelp option on processes and reports
  */
-public class ProcessModalDialog extends Window implements EventListener<Event>, IProcessMonitor, DialogEvents
+public class ProcessModalDialog extends Window implements EventListener<Event>, IProcessUI, DialogEvents
 {
 	private static final String ON_STATUS_UPDATE = "onStatusUpdate";
 	private static final String ON_COMPLETE = "onComplete";
@@ -73,20 +79,37 @@ public class ProcessModalDialog extends Window implements EventListener<Event>,
 	private boolean m_autoStart;
 	private VerticalBox dialogBody;
 	
+	private List<File> downloadFiles;
+
 	/**
 	 * @param aProcess
 	 * @param WindowNo
 	 * @param pi
 	 * @param autoStart
 	 */
-	public ProcessModalDialog(IProcessMonitor aProcess, int WindowNo, ProcessInfo pi, boolean autoStart)
+	public ProcessModalDialog(int WindowNo, ProcessInfo pi, boolean autoStart)
+	{
+		this(null, WindowNo, pi, autoStart);
+	}
+	
+	/**
+	 * @param aProcess
+	 * @param WindowNo
+	 * @param pi
+	 * @param autoStart
+	 */
+	public ProcessModalDialog(EventListener<Event> listener, int WindowNo, ProcessInfo pi, boolean autoStart)
 	{
 		m_ctx = Env.getCtx();
-		m_processMonitor = aProcess;
 		m_WindowNo = WindowNo;
 		m_pi = pi;
 		m_autoStart = autoStart;
 		
+		if (listener != null) 
+		{
+			addEventListener(ON_MODAL_CLOSE, listener);
+		}
+
 		log.info("Process=" + pi.getAD_Process_ID());
 		try
 		{
@@ -99,19 +122,22 @@ public class ProcessModalDialog extends Window implements EventListener<Event>,
 		}
 	}
 
+	public ProcessModalDialog (int WindowNo, int AD_Process_ID, int tableId, int recordId, boolean autoStart)
+	{
+		this(null, WindowNo, AD_Process_ID, tableId, recordId, autoStart);
+	}
+	
 	/**
 	 * Dialog to start a process/report
-	 * @param ctx
-	 * @param aProcess
 	 * @param WindowNo
 	 * @param AD_Process_ID
 	 * @param tableId
 	 * @param recordId
 	 * @param autoStart
 	 */
-	public ProcessModalDialog (  IProcessMonitor aProcess, int WindowNo, int AD_Process_ID, int tableId, int recordId, boolean autoStart)
+	public ProcessModalDialog (EventListener<Event> listener, int WindowNo, int AD_Process_ID, int tableId, int recordId, boolean autoStart)
 	{
-		this(aProcess, WindowNo, new ProcessInfo("", AD_Process_ID, tableId, recordId), autoStart);
+		this(listener, WindowNo, new ProcessInfo("", AD_Process_ID, tableId, recordId), autoStart);
 	}
 
 	/**
@@ -119,7 +145,6 @@ public class ProcessModalDialog extends Window implements EventListener<Event>,
 	 * @param ctx
 	 * @param parent not used
 	 * @param title not used
-	 * @param aProcess
 	 * @param WindowNo
 	 * @param AD_Process_ID
 	 * @param tableId
@@ -128,10 +153,10 @@ public class ProcessModalDialog extends Window implements EventListener<Event>,
 	 * @deprecated
 	 */
 	public ProcessModalDialog (Window parent, String title,
-			IProcessMonitor aProcess, int WindowNo, int AD_Process_ID,
+			int WindowNo, int AD_Process_ID,
 			int tableId, int recordId, boolean autoStart)
 	{
-		this(aProcess, WindowNo, AD_Process_ID, tableId, recordId, autoStart);
+		this(WindowNo, AD_Process_ID, tableId, recordId, autoStart);
 	}	//	ProcessDialog
 
 	private void initComponents() {
@@ -145,8 +170,6 @@ public class ProcessModalDialog extends Window implements EventListener<Event>,
 		dialogBody.appendChild(div);
 		centerPanel = new Panel();
 		dialogBody.appendChild(centerPanel);
-//		div = new Div();
-//		div.setStyle("text-align: right");
 		Hbox hbox = new Hbox();
 		hbox.setWidth("100%");
 		hbox.setStyle("margin-top: 10px");
@@ -163,13 +186,11 @@ public class ProcessModalDialog extends Window implements EventListener<Event>,
 
 		hbox.appendChild(btn);
 		hbox.setPack("end");
-//		div.appendChild(hbox);
 		dialogBody.appendChild(hbox);
 		this.appendChild(dialogBody);
 
 	}
 
-	private IProcessMonitor m_processMonitor;
 	private int m_WindowNo;
 	private Properties m_ctx;
 	private String		    m_Name = null;
@@ -326,12 +347,9 @@ public class ProcessModalDialog extends Window implements EventListener<Event>,
 	{		
 		m_pi.setPrintPreview(true);
 
-		if (m_processMonitor != null) {
-			m_processMonitor.lockUI(m_pi);
-			Clients.clearBusy();
-		}
-		
 		lockUI(m_pi);
+		
+		downloadFiles = new ArrayList<File>();
 
 		//use echo, otherwise lock ui wouldn't work
 		Clients.response(new AuEcho(this, "runProcess", null));
@@ -416,11 +434,14 @@ public class ProcessModalDialog extends Window implements EventListener<Event>,
 		Env.getCtx().putAll(processDialogRunnable.getProperties());
 		future = null;			
 		processDialogRunnable = null;
-		dispose();		
-		if (m_processMonitor != null) {
-			m_processMonitor.unlockUI(m_pi);
-		}
 		unlockUI(m_pi);
+		if (downloadFiles.size() > 0) {
+			MultiFileDownloadDialog downloadDialog = new MultiFileDownloadDialog(downloadFiles.toArray(new File[0]));
+			downloadDialog.setPage(this.getPage());
+			downloadDialog.setTitle(m_pi.getTitle());
+			Events.postEvent(downloadDialog, new Event(MultiFileDownloadDialog.ON_SHOW));
+		}
+		dispose();		
 		Events.sendEvent(this, new Event(ON_MODAL_CLOSE, this, null));				
 	}
 
@@ -482,4 +503,19 @@ public class ProcessModalDialog extends Window implements EventListener<Event>,
 			return properties;
 		}		
 	}
+
+	@Override
+	public void ask(final String message, final Callback<String> callback) {
+		Executions.schedule(getDesktop(), new EventListener<Event>() {
+			@Override
+			public void onEvent(Event event) throws Exception {
+				FDialog.ask(m_WindowNo, null, message, callback);
+			}
+		}, new Event("onAsk"));		
+	}
+
+	@Override
+	public void download(File file) {
+		downloadFiles.add(file);
+	}
 }	//	ProcessDialog

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/WProcessCtl.java

@@ -16,7 +16,7 @@
  *****************************************************************************/
 package org.adempiere.webui.apps;
 
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.IProcessUI;
 import org.adempiere.webui.component.Window;
 import org.compiere.apps.AbstractProcessCtl;
 import org.compiere.apps.IProcessParameter;
@@ -48,12 +48,11 @@ public class WProcessCtl extends AbstractProcessCtl {
 	 *  lockUI and unlockUI if parent is a ASyncProcess
 	 *  <br>
 	 *
-	 *  @param aProcessMonitor ASyncProcess & Container
 	 *  @param WindowNo window no
 	 *  @param pi ProcessInfo process info
 	 *  @param trx Transaction
 	 */
-	public static void process (IProcessMonitor aProcessMonitor, int WindowNo, ProcessInfo pi, Trx trx)
+	public static void process (int WindowNo, ProcessInfo pi, Trx trx)
 	{
 		log.fine("WindowNo=" + WindowNo + " - " + pi);
 
@@ -82,7 +81,7 @@ public class WProcessCtl extends AbstractProcessCtl {
 		pi.setAD_PInstance_ID (instance.getAD_PInstance_ID());
 
 		//	Get Parameters (Dialog)
-		ProcessModalDialog para = new ProcessModalDialog(aProcessMonitor, WindowNo, pi, false);
+		ProcessModalDialog para = new ProcessModalDialog(WindowNo, pi, false);
 		if (para.isValid())
 		{
 			para.setWidth("500px");
@@ -105,13 +104,13 @@ public class WProcessCtl extends AbstractProcessCtl {
 	 *  <br>
 	 *	Called from ProcessDialog.actionPerformed
 	 *
-	 *  @param aProcessMonitor ASyncProcess & Container
+	 *  @param aProcessUI ASyncProcess & Container
 	 *  @param WindowNo window no
 	 *  @param paraPanel Process Parameter Panel
 	 *  @param pi ProcessInfo process info
 	 *  @param trx Transaction
 	 */
-	public static void process(IProcessMonitor aProcessMonitor, int WindowNo, IProcessParameter parameter, ProcessInfo pi, Trx trx)
+	public static void process(IProcessUI aProcessUI, int WindowNo, IProcessParameter parameter, ProcessInfo pi, Trx trx)
 	{
 		log.fine("WindowNo=" + WindowNo + " - " + pi);
 
@@ -153,7 +152,7 @@ public class WProcessCtl extends AbstractProcessCtl {
 		}
 
 		//	execute
-		WProcessCtl worker = new WProcessCtl(aProcessMonitor, WindowNo, pi, trx);
+		WProcessCtl worker = new WProcessCtl(aProcessUI, WindowNo, pi, trx);
 		worker.run();
 	}
 
@@ -163,9 +162,9 @@ public class WProcessCtl extends AbstractProcessCtl {
 	 * @param pi
 	 * @param trx
 	 */
-	public WProcessCtl(IProcessMonitor aProcessMonitor, int WindowNo, ProcessInfo pi,
+	public WProcessCtl(IProcessUI aProcessUI, int WindowNo, ProcessInfo pi,
 			Trx trx) {
-		super(aProcessMonitor, WindowNo, pi, trx);
+		super(aProcessUI, WindowNo, pi, trx);
 	}
 
 	@Override

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/WReport.java

@@ -46,7 +46,7 @@ import org.zkoss.zul.Menupopup;
  * @author Low Heng Sin
  *
  */
-public class WReport implements EventListener {
+public class WReport implements EventListener<Event> {
 
 	/**
 	 *	Constructor
@@ -227,7 +227,7 @@ public class WReport implements EventListener {
 			ProcessInfo pi = new ProcessInfo ("", pf.getJasperProcess_ID(), pf.getAD_Table_ID(), Record_ID);
 			
 			//	Execute Process
-			WProcessCtl.process(null, WindowNo, pi, null);
+			WProcessCtl.process(WindowNo, pi, null);
 		}
 		else
 		{

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/form/WPaySelect.java

@@ -18,11 +18,13 @@
  *****************************************************************************/
 package org.adempiere.webui.apps.form;
 
+import java.io.File;
 import java.sql.Timestamp;
 import java.util.ArrayList;
 import java.util.logging.Level;
 
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.Callback;
+import org.adempiere.util.IProcessUI;
 import org.adempiere.webui.apps.ProcessModalDialog;
 import org.adempiere.webui.component.Button;
 import org.adempiere.webui.component.Checkbox;
@@ -52,6 +54,7 @@ import org.compiere.util.Env;
 import org.compiere.util.KeyNamePair;
 import org.compiere.util.Msg;
 import org.compiere.util.ValueNamePair;
+import org.zkoss.zk.ui.Executions;
 import org.zkoss.zk.ui.SuspendNotAllowedException;
 import org.zkoss.zk.ui.event.Event;
 import org.zkoss.zk.ui.event.EventListener;
@@ -73,15 +76,10 @@ import org.zkoss.zul.Space;
  *  @version $Id: VPaySelect.java,v 1.3 2006/07/30 00:51:28 jjanke Exp $
  */
 public class WPaySelect extends PaySelect
-	implements IFormController, EventListener, WTableModelListener, IProcessMonitor, SystemIDs
+	implements IFormController, EventListener<Event>, WTableModelListener, IProcessUI, SystemIDs
 {
 	/** @todo withholding */
 	
-	/**
-	 * 
-	 */
-	private static final long serialVersionUID = -6031404894392912610L;
-	
 	private CustomForm form = new CustomForm();
 
 	//
@@ -447,4 +445,20 @@ public class WPaySelect extends PaySelect
 	@Override
 	public void statusUpdate(String message) {
 	}
+
+	@Override
+	public void ask(final String message, final Callback<String> callback) {
+		Executions.schedule(form.getDesktop(), new EventListener<Event>() {
+			@Override
+			public void onEvent(Event event) throws Exception {
+				FDialog.ask(m_WindowNo, null, message, callback);
+			}
+		}, new Event("onAsk"));		
+	}
+
+	@Override
+	public void download(File file) {
+		// TODO Auto-generated method stub
+		
+	}
 }   //  VPaySelect

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/component/DynamicMediaLink.java

@@ -0,0 +1,59 @@
+/******************************************************************************
+ * Copyright (C) 2012 Heng Sin Low                                            *
+ * Copyright (C) 2012 Trek Global                 							  *
+ * 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.                     *
+ *****************************************************************************/
+package org.adempiere.webui.component;
+
+
+import org.zkoss.util.media.AMedia;
+import org.zkoss.zk.ui.event.Event;
+import org.zkoss.zk.ui.event.EventListener;
+import org.zkoss.zk.ui.event.Events;
+import org.zkoss.zul.A;
+import org.zkoss.zul.Filedownload;
+
+/**
+ * @author hengsin
+ *
+ */
+public class DynamicMediaLink extends A {
+
+	/**
+	 * generated serial id
+	 */
+	private static final long serialVersionUID = 5017833977652241179L;
+	
+	private AMedia media;
+	
+	public DynamicMediaLink() {
+		super();
+		this.addEventListener(Events.ON_CLICK, new EventListener<Event>() {
+
+			@Override
+			public void onEvent(Event event) throws Exception {
+				Filedownload.save(media);
+			}
+		});
+	}
+
+	public DynamicMediaLink(String label, String image) {
+		super(label, image);
+	}
+
+	public DynamicMediaLink(String label) {
+		super(label);
+	}
+	
+	public void setMedia(AMedia media) {
+		this.media = media;
+	}	
+}

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/component/Messagebox.java

@@ -19,6 +19,7 @@ package org.adempiere.webui.component;
 
 import java.util.Properties;
 
+import org.adempiere.util.Callback;
 import org.adempiere.webui.LayoutUtils;
 import org.adempiere.webui.apps.AEnv;
 import org.compiere.util.Env;
@@ -39,7 +40,7 @@ import org.zkoss.zul.Separator;
 * @date    Jul 31, 2007
 */
 
-public class Messagebox extends Window implements EventListener
+public class Messagebox extends Window implements EventListener<Event>
 {	
 	/**
 	 * generated serial version ID
@@ -62,6 +63,8 @@ public class Messagebox extends Window implements EventListener
 	private Image img = new Image();
 
 	private int returnValue;
+	private Callback<String> callback;
+	private String callbackValue;
 
 	/** A OK button. */
 	public static final int OK = 0x0001;
@@ -192,9 +195,15 @@ public class Messagebox extends Window implements EventListener
 	}
 
 	public int show(String message, String title, int buttons, String icon)
+	{
+		return show(message, title, buttons, icon, null);
+	}
+	
+	public int show(String message, String title, int buttons, String icon, Callback<String> callback)
 	{
 		this.msg = message;
 		this.imgSrc = icon;
+		this.callback = callback;
 
 		btnOk.setVisible(false);
 		btnCancel.setVisible(false);
@@ -243,10 +252,15 @@ public class Messagebox extends Window implements EventListener
 	}
 
 	public static int showDialog(String message, String title, int buttons, String icon) throws InterruptedException
+	{
+		return showDialog(message, title, buttons, icon, null);
+	}
+	
+	public static int showDialog(String message, String title, int buttons, String icon, Callback<String> callback) throws InterruptedException
 	{
 		Messagebox msg = new Messagebox();
 
-		return msg.show(message, title, buttons, icon);
+		return msg.show(message, title, buttons, icon, callback);
 	}
 
 	public void onEvent(Event event) throws Exception
@@ -254,35 +268,53 @@ public class Messagebox extends Window implements EventListener
 		if (event == null)
 			return;
 
+		callbackValue = null;
+		
 		if (event.getTarget() == btnOk)
 		{
 			returnValue = OK;
+			callbackValue = "OK";
 		}
 		else if (event.getTarget() == btnCancel)
 		{
 			returnValue = CANCEL;
+			callbackValue = "CANCEL";
 		}
 		else if (event.getTarget() == btnYes)
 		{
 			returnValue = YES;
+			callbackValue = "YES";
 		}
 		else if (event.getTarget() == btnNo)
 		{
 			returnValue = NO;
+			callbackValue = "NO";
 		}
 		else if (event.getTarget() == btnAbort)
 		{
 			returnValue = ABORT;
+			callbackValue = "ABORT";
 		}
 		else if (event.getTarget() == btnRetry)
 		{
 			returnValue = RETRY;
+			callbackValue = "RETRY";
 		}
 		else if (event.getTarget() == btnIgnore)
 		{
 			returnValue = IGNORE;
+			callbackValue = "IGNORE";
 		}
 
 		this.detach();
 	}
+
+	@Override
+	public void detach() {
+		super.detach();
+		if (callback != null)
+		{
+			callback.onCallback(callbackValue);
+		}
+	}
 }

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/panel/AbstractADWindowPanel.java

@@ -29,7 +29,7 @@ import java.util.TreeMap;
 import java.util.Vector;
 import java.util.logging.Level;
 
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.Callback;
 import org.adempiere.webui.WArchive;
 import org.adempiere.webui.WRequest;
 import org.adempiere.webui.WZoomAcross;
@@ -54,7 +54,6 @@ import org.adempiere.webui.exception.ApplicationException;
 import org.adempiere.webui.panel.action.ExportAction;
 import org.adempiere.webui.part.AbstractUIPart;
 import org.adempiere.webui.session.SessionManager;
-import org.adempiere.webui.util.Callback;
 import org.adempiere.webui.window.FDialog;
 import org.adempiere.webui.window.FindWindow;
 import org.adempiere.webui.window.WChat;
@@ -90,7 +89,6 @@ import org.zkoss.zk.ui.Session;
 import org.zkoss.zk.ui.event.Event;
 import org.zkoss.zk.ui.event.EventListener;
 import org.zkoss.zk.ui.event.Events;
-import org.zkoss.zk.ui.util.Clients;
 import org.zkoss.zul.Button;
 import org.zkoss.zul.Div;
 import org.zkoss.zul.Hbox;
@@ -122,7 +120,7 @@ import org.zkoss.zul.Menupopup;
  *  		https://sourceforge.net/tracker/?func=detail&aid=2985892&group_id=176962&atid=955896
  */
 public abstract class AbstractADWindowPanel extends AbstractUIPart implements ToolbarListener,
-        EventListener<Event>, DataStatusListener, ActionListener, IProcessMonitor, SystemIDs
+        EventListener<Event>, DataStatusListener, ActionListener, SystemIDs
 {
     private static final CLogger logger;
 
@@ -161,8 +159,6 @@ public abstract class AbstractADWindowPanel extends AbstractUIPart implements To
 
 	private Component parent;
 
-	private boolean m_uiLocked;
-
 	private boolean m_findCancelled;
 
 	private int embeddedTabindex = -1;
@@ -996,44 +992,50 @@ public abstract class AbstractADWindowPanel extends AbstractUIPart implements To
      */
     public void onEvent(Event event)
     {
-    	if (!Events.ON_SELECT.equals(event.getName()))
+    	if (Events.ON_SELECT.equals(event.getName()))
-    		return;
-
-    	IADTabList tabList = null;
-    	Component target = event.getTarget();
-    	if (target instanceof IADTabList)
     	{
-    		tabList = (IADTabList) target;
+	    	IADTabList tabList = null;
+	    	Component target = event.getTarget();
+	    	if (target instanceof IADTabList)
+	    	{
+	    		tabList = (IADTabList) target;
+	    	}
+	    	else
+	    	{
+	    		target = target.getParent();
+	    		while(target != null)
+	    		{
+	    			if (target instanceof IADTabList)
+	    	    	{
+	    	    		tabList = (IADTabList) target;
+	    	    		break;
+	    	    	}
+	    			target = target.getParent();
+	    		}
+	    	}
+	
+	        if (tabList != null)
+	        {
+	        	int newTabIndex = tabList.getSelectedIndex();
+	
+	            if (setActiveTab(newTabIndex))
+	            {
+	            	//force sync model
+	            	tabList.refresh();
+	            }
+	            else
+	            {
+	            	//reset to original
+	            	tabList.setSelectedIndex(curTabIndex);
+	            }
+	        }
     	}
-    	else
+    	else if (event.getTarget() instanceof ProcessModalDialog)
     	{
-    		target = target.getParent();
+    		ProcessModalDialog dialog = (ProcessModalDialog) event.getTarget();
-    		while(target != null)
+    		onModalClose(dialog.getProcessInfo());
-    		{
+    		onRefresh(false);
-    			if (target instanceof IADTabList)
-    	    	{
-    	    		tabList = (IADTabList) target;
-    	    		break;
-    	    	}
-    			target = target.getParent();
-    		}
     	}
-
-        if (tabList != null)
-        {
-        	int newTabIndex = tabList.getSelectedIndex();
-
-            if (setActiveTab(newTabIndex))
-            {
-            	//force sync model
-            	tabList.refresh();
-            }
-            else
-            {
-            	//reset to original
-            	tabList.setSelectedIndex(curTabIndex);
-            }
-        }
     }
 
 	private boolean setActiveTab(int newTabIndex) {
@@ -1935,12 +1937,11 @@ public abstract class AbstractADWindowPanel extends AbstractUIPart implements To
 		int table_ID = curTab.getAD_Table_ID();
 		int record_ID = curTab.getRecord_ID();
 
-		ProcessModalDialog dialog = new ProcessModalDialog(this,getWindowNo(),
+		ProcessModalDialog dialog = new ProcessModalDialog(this, getWindowNo(), AD_Process_ID,table_ID, record_ID, true);
-				AD_Process_ID,table_ID, record_ID, true);
 		if (dialog.isValid()) {
 			dialog.setPosition("center");
-				dialog.setPage(this.getComponent().getPage());
+			dialog.setPage(this.getComponent().getPage());
-				dialog.doModal();
+			dialog.doHighlighted();
 		}
 	}
 
@@ -2349,8 +2350,7 @@ public abstract class AbstractADWindowPanel extends AbstractUIPart implements To
 		}
 		else
 		{
-			ProcessModalDialog dialog = new ProcessModalDialog(this, curWindowNo,
+			ProcessModalDialog dialog = new ProcessModalDialog(this, curWindowNo, wButton.getProcess_ID(), table_ID, record_ID, startWOasking);
-					wButton.getProcess_ID(), table_ID, record_ID, startWOasking);
 
 			if (dialog.isValid())
 			{
@@ -2358,12 +2358,6 @@ public abstract class AbstractADWindowPanel extends AbstractUIPart implements To
 				dialog.setVisible(true);
 				dialog.setPosition("center");
 				dialog.setAttribute(Window.MODE_KEY, Window.MODE_HIGHLIGHTED);
-				dialog.addEventListener(DialogEvents.ON_MODAL_CLOSE, new EventListener<Event>() {
-					@Override
-					public void onEvent(Event event) throws Exception {
-						onRefresh(false);
-					}
-				});
 				AEnv.showWindow(dialog);
 			}
 			else
@@ -2427,49 +2421,10 @@ public abstract class AbstractADWindowPanel extends AbstractUIPart implements To
 	public void executeASync(ProcessInfo pi) {
 	}
 
-	/**
-	 * @return boolean
-	 */
-	public boolean isUILocked() {
-		return m_uiLocked;
-	}
-
 	/**
 	 * @param pi
 	 */
-	public void lockUI(ProcessInfo pi) {
+	private void onModalClose(ProcessInfo pi) {
-		if (m_uiLocked) return;
-
-		m_uiLocked = true;
-
-		if (Executions.getCurrent() != null)
-			Clients.showBusy(null);
-		else
-		{
-			try {
-				//acquire desktop, 2 second timeout
-				Executions.activate(getComponent().getDesktop(), 2000);
-				try {
-					Clients.showBusy(null);
-                } catch(Error ex){
-                	throw ex;
-                } finally{
-                	//release full control of desktop
-                	Executions.deactivate(getComponent().getDesktop());
-                }
-			} catch (Exception e) {
-				logger.log(Level.WARNING, "Failed to lock UI.", e);
-			}
-		}
-	}
-
-	/**
-	 * @param pi
-	 */
-	public void unlockUI(ProcessInfo pi) {
-		if (!m_uiLocked) return;
-
-		m_uiLocked = false;
 		boolean notPrint = pi != null
 		&& pi.getAD_Process_ID() != curTab.getAD_Process_ID()
 		&& pi.isReportingProcess() == false;
@@ -2482,7 +2437,6 @@ public abstract class AbstractADWindowPanel extends AbstractUIPart implements To
 			{
 				updateUI(pi);
 			}
-			Clients.clearBusy(null);
 		}
 		else
 		{
@@ -2494,7 +2448,6 @@ public abstract class AbstractADWindowPanel extends AbstractUIPart implements To
 					{
 						updateUI(pi);
 					}
-                	Clients.clearBusy(null);
                 } catch(Error ex){
                 	throw ex;
                 } finally{
@@ -2502,23 +2455,15 @@ public abstract class AbstractADWindowPanel extends AbstractUIPart implements To
                 	Executions.deactivate(getComponent().getDesktop());
                 }
 			} catch (Exception e) {
-				logger.log(Level.WARNING, "Failed to update UI upon unloc.", e);
+				logger.log(Level.WARNING, "Failed to update UI upon unlock.", e);
 			}
 		}
 	}
 
-	@Override
-	public void statusUpdate(String message) {
-		statusBar.setStatusLine(message);
-	}
-	
 	private void updateUI(ProcessInfo pi) {
-		//	Refresh data
-		curTab.dataRefresh(false);
 		//	Timeout
 		if (pi.isTimeout())		//	set temporarily to R/O
 			Env.setContext(ctx, curWindowNo, "Processed", "Y");
-		curTabpanel.dynamicDisplay(0);
 		//	Update Status Line
 		String summary = pi.getSummary();
 		if (summary != null && summary.indexOf('@') != -1)
@@ -2553,5 +2498,4 @@ public abstract class AbstractADWindowPanel extends AbstractUIPart implements To
 	public int getWindowNo() {
 		return curWindowNo;
 	}
-
 }

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/FDialog.java

@@ -26,6 +26,7 @@ import org.compiere.util.Msg;
 import org.compiere.util.Trace;
 
 import org.zkoss.zk.ui.Component;
+import org.adempiere.util.Callback;
 import org.adempiere.webui.apps.AEnv;
 import org.adempiere.webui.component.Messagebox;
 
@@ -267,7 +268,7 @@ public class FDialog
 		return ask(windowNo, comp, s);
     }
     
-	/**************************************************************************
+    /**************************************************************************
 	 *	Ask Question with question icon and (OK) (Cancel) buttons
 	 *
 	 *	@param	WindowNo	Number of Window
@@ -278,11 +279,27 @@ public class FDialog
 	 */
     
     public static boolean ask(int windowNo, Component comp, String adMessage)
+    {
+    	return ask(windowNo, comp, adMessage, (Callback<String>)null);
+    }
+    
+	/**************************************************************************
+	 *	Ask Question with question icon and (OK) (Cancel) buttons
+	 *
+	 *	@param	WindowNo	Number of Window
+	 *  @param  c           Container (owner)
+	 *	@param	AD_Message	Message to be translated
+	 *
+	 *	@return true, if OK
+	 */
+    
+    public static boolean ask(int windowNo, Component comp, String adMessage, Callback<String> callback)
     {
         try
         {
         	String s = Msg.getMsg(Env.getCtx(), adMessage).replace("\n", "<br>");
-            int response = Messagebox.showDialog(s, AEnv.getDialogHeader(Env.getCtx(), windowNo), Messagebox.OK | Messagebox.CANCEL, Messagebox.QUESTION);
+            int response = Messagebox.showDialog(s, AEnv.getDialogHeader(Env.getCtx(), windowNo), 
+            		Messagebox.OK | Messagebox.CANCEL, Messagebox.QUESTION, callback);
 
             return (response == Messagebox.OK);
         }

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/MultiFileDownloadDialog.java

@@ -0,0 +1,80 @@
+/******************************************************************************
+ * Copyright (C) 2012 Heng Sin Low                                            *
+ * Copyright (C) 2012 Trek Global                 							  *
+ * 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.                     *
+ *****************************************************************************/
+package org.adempiere.webui.window;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+
+import javax.activation.MimetypesFileTypeMap;
+
+import org.adempiere.webui.component.DynamicMediaLink;
+import org.adempiere.webui.component.Window;
+import org.zkoss.util.media.AMedia;
+import org.zkoss.zk.ui.event.Event;
+import org.zkoss.zk.ui.event.EventListener;
+import org.zkoss.zul.Vlayout;
+
+/**
+ * @author hengsin
+ *
+ */
+public class MultiFileDownloadDialog extends Window {
+
+	public static final String ON_SHOW = "onShow";
+	/**
+	 * generated serial dialog
+	 */
+	private static final long serialVersionUID = -6078788264410182680L;
+	private File[] files;
+
+	public MultiFileDownloadDialog(File[] files) {
+		super();
+		this.files = files;
+		this.addEventListener(ON_SHOW, new EventListener<Event>() {
+			@Override
+			public void onEvent(Event event) throws Exception {
+				MultiFileDownloadDialog.this.show();
+			}
+		});
+	}
+
+	private void show() {
+		Vlayout layout = new Vlayout();
+		layout.setStyle("padding-top: 10px; padding-bottom: 10px;");
+		appendChild(layout);
+		MimetypesFileTypeMap mimeMap = new MimetypesFileTypeMap();
+		for(File file : files) {
+			try {
+				AMedia media = new AMedia(file, mimeMap.getContentType(file), null);
+				DynamicMediaLink link = new DynamicMediaLink();
+				layout.appendChild(link);
+				link.setMedia(media);
+				link.setLabel(media.getName());				
+				link.setStyle("margin: 5px;");
+			} catch (FileNotFoundException e) {				
+			}
+		}
+		
+		this.setClosable(true);
+		this.setSizable(true);
+		this.setMaximizable(true);
+		this.setBorder("normal");
+		this.setContentStyle("min-height: 200px; min-width:300px");
+		this.setPosition("center");
+		if (this.getTitle() == null || this.getTitle().length() == 0) {
+			this.setTitle("Downloads");
+		}
+		this.doHighlighted();
+	}
+}

org.adempiere.ui/src/org/compiere/apps/AbstractProcessCtl.java

@@ -22,7 +22,7 @@ import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.util.logging.Level;
 
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.IProcessUI;
 import org.adempiere.util.ProcessUtil;
 import org.compiere.db.CConnection;
 import org.compiere.interfaces.Server;
@@ -62,10 +62,10 @@ public abstract class AbstractProcessCtl implements Runnable
 	 *  @param trx Transaction
 	 *  Created in process(), VInvoiceGen.generateInvoices
 	 */
-	public AbstractProcessCtl (IProcessMonitor aProcessMonitor, int WindowNo, ProcessInfo pi, Trx trx)
+	public AbstractProcessCtl (IProcessUI aProcessUI, int WindowNo, ProcessInfo pi, Trx trx)
 	{
 		windowno = WindowNo;
-		m_processMonitor = aProcessMonitor;
+		m_processUI = aProcessUI;
 		m_pi = pi;
 		m_trx = trx;	//	handeled correctly
 	}   //  ProcessCtl
@@ -73,7 +73,7 @@ public abstract class AbstractProcessCtl implements Runnable
 	/** Windowno */
 	private int windowno;
 	/** Parenr */
-	private IProcessMonitor m_processMonitor;
+	private IProcessUI m_processUI;
 	/** Process Info */
 	private ProcessInfo m_pi;
 	private Trx				m_trx;
@@ -276,7 +276,7 @@ public abstract class AbstractProcessCtl implements Runnable
 		{
 			m_pi.setReportingProcess(true);
 			//	Start Report	-----------------------------------------------
-			boolean ok = ReportCtl.start(m_processMonitor, windowno, m_pi, IsDirectPrint);
+			boolean ok = ReportCtl.start(m_processUI, windowno, m_pi, IsDirectPrint);
 			m_pi.setSummary("Report", !ok);
 			unlock ();
 		}
@@ -322,12 +322,12 @@ public abstract class AbstractProcessCtl implements Runnable
 		return m_pi;
 	}
 	
-	protected IProcessMonitor getProcessMonitor()
+	protected IProcessUI getProcessMonitor()
 	{
-		return m_processMonitor;
+		return m_processUI;
 	}
 	
-	protected IProcessMonitor getParent()
+	protected IProcessUI getParent()
 	{
 		return getProcessMonitor();
 	}
@@ -445,7 +445,7 @@ public abstract class AbstractProcessCtl implements Runnable
 			if (m_pi.getClassName().toLowerCase().startsWith(MRule.SCRIPT_PREFIX)) {
 				return ProcessUtil.startScriptProcess(Env.getCtx(), m_pi, m_trx);
 			} else {
-				return ProcessUtil.startJavaProcess(Env.getCtx(), m_pi, m_trx, true, m_processMonitor);
+				return ProcessUtil.startJavaProcess(Env.getCtx(), m_pi, m_trx, true, m_processUI);
 			}
 		}
 		return !m_pi.isError();

org.adempiere.ui/src/org/compiere/print/ReportCtl.java

@@ -21,7 +21,7 @@ import java.util.logging.Level;
 
 import org.adempiere.base.Service;
 import org.adempiere.exceptions.AdempiereException;
-import org.adempiere.util.IProcessMonitor;
+import org.adempiere.util.IProcessUI;
 import org.compiere.model.MPaySelectionCheck;
 import org.compiere.model.MProcess;
 import org.compiere.model.MQuery;
@@ -92,7 +92,7 @@ public class ReportCtl implements SystemIDs
 	 *  @param IsDirectPrint if true, prints directly - otherwise View
 	 *  @return true if created
 	 */
-	static public boolean start (IProcessMonitor parent, int WindowNo, ProcessInfo pi, boolean IsDirectPrint)
+	static public boolean start (IProcessUI parent, int WindowNo, ProcessInfo pi, boolean IsDirectPrint)
 	{
 		pi.setPrintPreview(!IsDirectPrint);
 		return start(parent, WindowNo, pi);
@@ -109,7 +109,7 @@ public class ReportCtl implements SystemIDs
 	 *  @param IsDirectPrint if true, prints directly - otherwise View
 	 *  @return true if created
 	 */
-	static public boolean start (IProcessMonitor parent, int WindowNo, ProcessInfo pi)
+	static public boolean start (IProcessUI parent, int WindowNo, ProcessInfo pi)
 	{
 		s_log.info("start - " + pi);
 
@@ -261,7 +261,7 @@ public class ReportCtl implements SystemIDs
 	 * 	@param printerName 	Specified printer name
 	 * 	@return true if success
 	 */
-	public static boolean startDocumentPrint(int type, MPrintFormat customPrintFormat, int Record_ID, IProcessMonitor parent, int WindowNo, String printerName)
+	public static boolean startDocumentPrint(int type, MPrintFormat customPrintFormat, int Record_ID, IProcessUI parent, int WindowNo, String printerName)
 	{
 		return(startDocumentPrint(type, customPrintFormat, Record_ID, parent, WindowNo, true, printerName));
 	}
@@ -276,7 +276,7 @@ public class ReportCtl implements SystemIDs
 	 * 	@param IsDirectPrint if true, prints directly - otherwise View
 	 * 	@return true if success
 	 */
-	public static boolean startDocumentPrint(int type, int Record_ID, IProcessMonitor parent, int WindowNo,
+	public static boolean startDocumentPrint(int type, int Record_ID, IProcessUI parent, int WindowNo,
 			boolean IsDirectPrint)
 	{
 		return(startDocumentPrint(type, null, Record_ID, parent, WindowNo, IsDirectPrint, null ));
@@ -291,7 +291,7 @@ public class ReportCtl implements SystemIDs
 	 * 	@param printerName 	Specified printer name
 	 * 	@return true if success
 	 */
-	public static boolean startDocumentPrint (int type, MPrintFormat customPrintFormat, int Record_ID, IProcessMonitor parent, int WindowNo,
+	public static boolean startDocumentPrint (int type, MPrintFormat customPrintFormat, int Record_ID, IProcessUI parent, int WindowNo,
 			boolean IsDirectPrint, String printerName)
 	{
 		ReportEngine re = ReportEngine.get (Env.getCtx(), type, Record_ID);