From 4a5b39811f84c0d47c733e94951f5703815799be Mon Sep 17 00:00:00 2001
From: Heng Sin Low <hengsin@gmail.com>
Date: Wed, 13 Jun 2007 05:17:03 +0000
Subject: [PATCH] [ 1684853 ] Add Print Preview button

---
 base/src/org/compiere/print/ReportEngine.java  | 12 +++++++-----
 base/src/org/compiere/process/ProcessInfo.java | 16 ++++++++++++++++
 2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/base/src/org/compiere/print/ReportEngine.java b/base/src/org/compiere/print/ReportEngine.java
index 473b96b683..a9cc426b0d 100644
--- a/base/src/org/compiere/print/ReportEngine.java
+++ b/base/src/org/compiere/print/ReportEngine.java
@@ -799,10 +799,10 @@ queued-job-count = 0  (class javax.print.attribute.standard.QueuedJobCount)
 
 	/**
 	 * 	Write PostScript to writer
-	 * 	@param fos file output stream
+	 * 	@param os output stream
 	 * 	@return true if success
 	 */
-	public boolean createPS (FileOutputStream fos)
+	public boolean createPS (OutputStream os)
 	{
 		try
 		{
@@ -817,7 +817,7 @@ queued-job-count = 0  (class javax.print.attribute.standard.QueuedJobCount)
 			}
 			//	just use first one - sun.print.PSStreamPrinterFactory
 			//	System.out.println("- " + spsfactories[0]);
-			StreamPrintService sps = spsfactories[0].getPrintService(fos);
+			StreamPrintService sps = spsfactories[0].getPrintService(os);
 			//	get format
 			if (m_layout == null)
 				layout();
@@ -825,8 +825,10 @@ queued-job-count = 0  (class javax.print.attribute.standard.QueuedJobCount)
 			sps.createPrintJob().print(m_layout.getPageable(false), 
 				new HashPrintRequestAttributeSet());
 			//
-			fos.flush();
-			fos.close();
+			os.flush();
+			//following 2 line for backward compatibility
+			if (os instanceof FileOutputStream)
+				((FileOutputStream)os).close();
 		}
 		catch (Exception e)
 		{
diff --git a/base/src/org/compiere/process/ProcessInfo.java b/base/src/org/compiere/process/ProcessInfo.java
index 1478b298db..fbe4195a87 100644
--- a/base/src/org/compiere/process/ProcessInfo.java
+++ b/base/src/org/compiere/process/ProcessInfo.java
@@ -44,6 +44,10 @@ public class ProcessInfo implements Serializable
 		setAD_Process_ID(AD_Process_ID);
 		setTable_ID (Table_ID);
 		setRecord_ID (Record_ID);
+		if (Ini.isPropertyBool(Ini.P_PRINTPREVIEW))
+			m_printPreview = true;
+		else
+			m_printPreview = false;
 	}   //  ProcessInfo
 
 	/**
@@ -105,6 +109,8 @@ public class ProcessInfo implements Serializable
 	
 	/** Transaction Name 			*/
 	private String				m_transactionName = null;
+	
+	private boolean				m_printPreview = false;
 
 
 	/**
@@ -602,4 +608,14 @@ public class ProcessInfo implements Serializable
 	{
 		m_transactionName = trxName;
 	}
+	
+	public void setPrintPreview(boolean b)
+	{
+		m_printPreview = b;
+	}
+	
+	public boolean isPrintPreview()
+	{
+		return m_printPreview;
+	}
 }   //  ProcessInfo