Changed ErrorDialog to use SWT Messagebox for OS specific error messages

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-over/trunk@152 174cde9d-5d70-4d2a-aa98-46368bc2aaf7

1 files changed, 264 insertions, 204 deletions

diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/AdvancedConfigurationComposite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/AdvancedConfigurationComposite.java
index 7cc49d18..e264aa48 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/AdvancedConfigurationComposite.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/AdvancedConfigurationComposite.java
@@ -16,6 +16,8 @@
 package at.asit.pdfover.gui.composites;
 
 // Imports
+import java.io.File;
+
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.FocusAdapter;
 import org.eclipse.swt.events.FocusEvent;
@@ -66,7 +68,7 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 	 * @param parent
 	 * @param style
 	 * @param state
-	 * @param container 
+	 * @param container
 	 */
 	public AdvancedConfigurationComposite(Composite parent, int style,
 			State state, ConfigurationContainer container) {
@@ -74,7 +76,8 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 		setLayout(new FormLayout());
 
 		Group grpSignatur = new Group(this, SWT.NONE);
-		grpSignatur.setText(Messages.getString("advanced_config.Signature_Title")); //$NON-NLS-1$
+		grpSignatur.setText(Messages
+				.getString("advanced_config.Signature_Title")); //$NON-NLS-1$
 		FormLayout layout = new FormLayout();
 		layout.marginHeight = 10;
 		layout.marginWidth = 5;
@@ -87,84 +90,100 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 
 		FontData[] fD_grpSignaturPosition = grpSignatur.getFont().getFontData();
 		fD_grpSignaturPosition[0].setHeight(TEXT_SIZE_NORMAL);
-		grpSignatur.setFont(new Font(Display.getCurrent(), fD_grpSignaturPosition[0]));
-		
-			this.btnAutomatischePositionierung = new Button(grpSignatur,
-					SWT.CHECK);
-			FormData fd_btnAutomatischePositionierung = new FormData();
-			fd_btnAutomatischePositionierung.right = new FormAttachment(100, -5);
-			fd_btnAutomatischePositionierung.top = new FormAttachment(0);
-			fd_btnAutomatischePositionierung.left = new FormAttachment(0, 5);
-			this.btnAutomatischePositionierung
-					.setLayoutData(fd_btnAutomatischePositionierung);
-			this.btnAutomatischePositionierung.setText(Messages.getString("advanced_config.AutoPosition")); //$NON-NLS-1$
-			
-			FontData[] fD_btnAutomatischePositionierung = this.btnAutomatischePositionierung.getFont().getFontData();
-			fD_btnAutomatischePositionierung[0].setHeight(TEXT_SIZE_BUTTON);
-			this.btnAutomatischePositionierung.setFont(new Font(Display.getCurrent(), fD_btnAutomatischePositionierung[0]));
-			
-			this.btnAutomatischePositionierung.addSelectionListener(new SelectionAdapter() {
-				
-				@Override
-				public void widgetSelected(SelectionEvent e) {
-					AdvancedConfigurationComposite.this.performPositionSelection(
-							AdvancedConfigurationComposite.this.btnAutomatischePositionierung.getSelection());
-				}
-			});
-			log.debug(this.btnAutomatischePositionierung.getBounds().toString());
-	
-			Label lblTransparenz = new Label(grpSignatur, SWT.HORIZONTAL);
-			FormData fd_lblTransparenz = new FormData();
-			fd_lblTransparenz.top = new FormAttachment(this.btnAutomatischePositionierung, 5);
-			fd_lblTransparenz.left = new FormAttachment(0, 5);
-			lblTransparenz.setLayoutData(fd_lblTransparenz);
-			lblTransparenz.setText(Messages.getString("advanced_config.SigPHTransparency")); //$NON-NLS-1$
-	
-			FontData[] fD_lblTransparenz = lblTransparenz.getFont().getFontData();
-			fD_lblTransparenz[0].setHeight(TEXT_SIZE_NORMAL);
-			lblTransparenz.setFont(new Font(Display.getCurrent(), fD_lblTransparenz[0]));
-
-			Label lblTransparenzLinks = new Label(grpSignatur, SWT.HORIZONTAL);
-			FormData fd_lblTransparenzLinks = new FormData();
-			fd_lblTransparenzLinks.top = new FormAttachment(lblTransparenz, 5);
-			fd_lblTransparenzLinks.left = new FormAttachment(0, 15);
-			lblTransparenzLinks.setLayoutData(fd_lblTransparenzLinks);
-			lblTransparenzLinks.setText(Messages.getString("advanced_config.SigPHTransparencyMin")); //$NON-NLS-1$
-	
-			FontData[] fD_lblTransparenzLinks = lblTransparenzLinks.getFont().getFontData();
-			fD_lblTransparenzLinks[0].setHeight(TEXT_SIZE_NORMAL);
-			lblTransparenzLinks.setFont(new Font(Display.getCurrent(), fD_lblTransparenzLinks[0]));
-
-			Label lblTransparenzRechts = new Label(grpSignatur, SWT.HORIZONTAL);
-			FormData fd_lblTransparenzRechts = new FormData();
-			fd_lblTransparenzRechts.top = new FormAttachment(lblTransparenz, 5);
-			fd_lblTransparenzRechts.right = new FormAttachment(100, -5);
-			lblTransparenzRechts.setLayoutData(fd_lblTransparenzRechts);
-			lblTransparenzRechts.setText(Messages.getString("advanced_config.SigPHTransparencyMax")); //$NON-NLS-1$
-	
-			FontData[] fD_lblTransparenzRechts = lblTransparenzRechts.getFont().getFontData();
-			fD_lblTransparenzRechts[0].setHeight(TEXT_SIZE_NORMAL);
-			lblTransparenzRechts.setFont(new Font(Display.getCurrent(), fD_lblTransparenzRechts[0]));
-
-			this.sclTransparenz = new Scale(grpSignatur, SWT.HORIZONTAL);
-			FormData fd_sldTransparenz = new FormData();
-			fd_sldTransparenz.right = new FormAttachment(lblTransparenzRechts, -5);
-			fd_sldTransparenz.top = new FormAttachment(lblTransparenz, 5);
-			fd_sldTransparenz.left = new FormAttachment(lblTransparenzLinks, 5);
-			this.sclTransparenz.setLayoutData(fd_sldTransparenz);
-			this.sclTransparenz.setMinimum(0);
-			this.sclTransparenz.setMaximum(255);
-			this.sclTransparenz.setIncrement(1);
-			this.sclTransparenz.setPageIncrement(10);
-			this.sclTransparenz.addSelectionListener(new SelectionAdapter() {
-				@Override
-				public void widgetSelected(SelectionEvent e) {
-					performPlaceholderTransparency(AdvancedConfigurationComposite.this.sclTransparenz.getSelection());
-				}
-			});
+		grpSignatur.setFont(new Font(Display.getCurrent(),
+				fD_grpSignaturPosition[0]));
+
+		this.btnAutomatischePositionierung = new Button(grpSignatur, SWT.CHECK);
+		FormData fd_btnAutomatischePositionierung = new FormData();
+		fd_btnAutomatischePositionierung.right = new FormAttachment(100, -5);
+		fd_btnAutomatischePositionierung.top = new FormAttachment(0);
+		fd_btnAutomatischePositionierung.left = new FormAttachment(0, 5);
+		this.btnAutomatischePositionierung
+				.setLayoutData(fd_btnAutomatischePositionierung);
+		this.btnAutomatischePositionierung.setText(Messages
+				.getString("advanced_config.AutoPosition")); //$NON-NLS-1$
+
+		FontData[] fD_btnAutomatischePositionierung = this.btnAutomatischePositionierung
+				.getFont().getFontData();
+		fD_btnAutomatischePositionierung[0].setHeight(TEXT_SIZE_BUTTON);
+		this.btnAutomatischePositionierung.setFont(new Font(Display
+				.getCurrent(), fD_btnAutomatischePositionierung[0]));
+
+		this.btnAutomatischePositionierung
+				.addSelectionListener(new SelectionAdapter() {
+
+					@Override
+					public void widgetSelected(SelectionEvent e) {
+						AdvancedConfigurationComposite.this
+								.performPositionSelection(AdvancedConfigurationComposite.this.btnAutomatischePositionierung
+										.getSelection());
+					}
+				});
+		log.debug(this.btnAutomatischePositionierung.getBounds().toString());
+
+		Label lblTransparenz = new Label(grpSignatur, SWT.HORIZONTAL);
+		FormData fd_lblTransparenz = new FormData();
+		fd_lblTransparenz.top = new FormAttachment(
+				this.btnAutomatischePositionierung, 5);
+		fd_lblTransparenz.left = new FormAttachment(0, 5);
+		lblTransparenz.setLayoutData(fd_lblTransparenz);
+		lblTransparenz.setText(Messages
+				.getString("advanced_config.SigPHTransparency")); //$NON-NLS-1$
+
+		FontData[] fD_lblTransparenz = lblTransparenz.getFont().getFontData();
+		fD_lblTransparenz[0].setHeight(TEXT_SIZE_NORMAL);
+		lblTransparenz.setFont(new Font(Display.getCurrent(),
+				fD_lblTransparenz[0]));
+
+		Label lblTransparenzLinks = new Label(grpSignatur, SWT.HORIZONTAL);
+		FormData fd_lblTransparenzLinks = new FormData();
+		fd_lblTransparenzLinks.top = new FormAttachment(lblTransparenz, 5);
+		fd_lblTransparenzLinks.left = new FormAttachment(0, 15);
+		lblTransparenzLinks.setLayoutData(fd_lblTransparenzLinks);
+		lblTransparenzLinks.setText(Messages
+				.getString("advanced_config.SigPHTransparencyMin")); //$NON-NLS-1$
+
+		FontData[] fD_lblTransparenzLinks = lblTransparenzLinks.getFont()
+				.getFontData();
+		fD_lblTransparenzLinks[0].setHeight(TEXT_SIZE_NORMAL);
+		lblTransparenzLinks.setFont(new Font(Display.getCurrent(),
+				fD_lblTransparenzLinks[0]));
+
+		Label lblTransparenzRechts = new Label(grpSignatur, SWT.HORIZONTAL);
+		FormData fd_lblTransparenzRechts = new FormData();
+		fd_lblTransparenzRechts.top = new FormAttachment(lblTransparenz, 5);
+		fd_lblTransparenzRechts.right = new FormAttachment(100, -5);
+		lblTransparenzRechts.setLayoutData(fd_lblTransparenzRechts);
+		lblTransparenzRechts.setText(Messages
+				.getString("advanced_config.SigPHTransparencyMax")); //$NON-NLS-1$
+
+		FontData[] fD_lblTransparenzRechts = lblTransparenzRechts.getFont()
+				.getFontData();
+		fD_lblTransparenzRechts[0].setHeight(TEXT_SIZE_NORMAL);
+		lblTransparenzRechts.setFont(new Font(Display.getCurrent(),
+				fD_lblTransparenzRechts[0]));
+
+		this.sclTransparenz = new Scale(grpSignatur, SWT.HORIZONTAL);
+		FormData fd_sldTransparenz = new FormData();
+		fd_sldTransparenz.right = new FormAttachment(lblTransparenzRechts, -5);
+		fd_sldTransparenz.top = new FormAttachment(lblTransparenz, 5);
+		fd_sldTransparenz.left = new FormAttachment(lblTransparenzLinks, 5);
+		this.sclTransparenz.setLayoutData(fd_sldTransparenz);
+		this.sclTransparenz.setMinimum(0);
+		this.sclTransparenz.setMaximum(255);
+		this.sclTransparenz.setIncrement(1);
+		this.sclTransparenz.setPageIncrement(10);
+		this.sclTransparenz.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				performPlaceholderTransparency(AdvancedConfigurationComposite.this.sclTransparenz
+						.getSelection());
+			}
+		});
 
 		Group grpBkuAuswahl = new Group(this, SWT.NONE);
-		grpBkuAuswahl.setText(Messages.getString("advanced_config.BKUSelection_Title")); //$NON-NLS-1$
+		grpBkuAuswahl.setText(Messages
+				.getString("advanced_config.BKUSelection_Title")); //$NON-NLS-1$
 		layout = new FormLayout();
 		layout.marginHeight = 10;
 		layout.marginWidth = 5;
@@ -177,45 +196,53 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 
 		FontData[] fD_grpBkuAuswahl = grpBkuAuswahl.getFont().getFontData();
 		fD_grpBkuAuswahl[0].setHeight(TEXT_SIZE_NORMAL);
-		grpBkuAuswahl.setFont(new Font(Display.getCurrent(), fD_grpBkuAuswahl[0]));
-		
-			this.cmbBKUAuswahl = new Combo(grpBkuAuswahl, SWT.READ_ONLY);
-			FormData fd_cmbBKUAuswahl = new FormData();
-			fd_cmbBKUAuswahl.right = new FormAttachment(100, -5);
-			fd_cmbBKUAuswahl.top = new FormAttachment(0);
-			fd_cmbBKUAuswahl.left = new FormAttachment(0, 5);
-	
-			FontData[] fD_cmbBKUAuswahl = this.cmbBKUAuswahl.getFont().getFontData();
-			fD_cmbBKUAuswahl[0].setHeight(TEXT_SIZE_NORMAL);
-			this.cmbBKUAuswahl.setFont(new Font(Display.getCurrent(), fD_cmbBKUAuswahl[0]));
-			
-			int blen = BKUs.values().length;
-	
-			this.bkuStrings = new String[blen];
-	
-			for (int i = 0; i < blen; i++) {
-				String lookup = "BKU." + BKUs.values()[i].toString(); //$NON-NLS-1$
-				this.bkuStrings[i] = Messages.getString(lookup);
-			}
-	
-			this.cmbBKUAuswahl.setItems(this.bkuStrings);
-	
-			this.cmbBKUAuswahl.setLayoutData(fd_cmbBKUAuswahl);
-			
-			this.cmbBKUAuswahl.addSelectionListener(new SelectionAdapter() {
-				
-				@Override
-				public void widgetSelected(SelectionEvent e) {
-					int selectionIndex = getBKUElementIndex(AdvancedConfigurationComposite.this.configurationContainer.getBKUSelection());
-					if(AdvancedConfigurationComposite.this.cmbBKUAuswahl.getSelectionIndex() != selectionIndex) {
-						selectionIndex = AdvancedConfigurationComposite.this.cmbBKUAuswahl.getSelectionIndex();
-						performBKUSelectionChanged(AdvancedConfigurationComposite.this.cmbBKUAuswahl.getItem(selectionIndex));
-					}
+		grpBkuAuswahl.setFont(new Font(Display.getCurrent(),
+				fD_grpBkuAuswahl[0]));
+
+		this.cmbBKUAuswahl = new Combo(grpBkuAuswahl, SWT.READ_ONLY);
+		FormData fd_cmbBKUAuswahl = new FormData();
+		fd_cmbBKUAuswahl.right = new FormAttachment(100, -5);
+		fd_cmbBKUAuswahl.top = new FormAttachment(0);
+		fd_cmbBKUAuswahl.left = new FormAttachment(0, 5);
+
+		FontData[] fD_cmbBKUAuswahl = this.cmbBKUAuswahl.getFont()
+				.getFontData();
+		fD_cmbBKUAuswahl[0].setHeight(TEXT_SIZE_NORMAL);
+		this.cmbBKUAuswahl.setFont(new Font(Display.getCurrent(),
+				fD_cmbBKUAuswahl[0]));
+
+		int blen = BKUs.values().length;
+
+		this.bkuStrings = new String[blen];
+
+		for (int i = 0; i < blen; i++) {
+			String lookup = "BKU." + BKUs.values()[i].toString(); //$NON-NLS-1$
+			this.bkuStrings[i] = Messages.getString(lookup);
+		}
+
+		this.cmbBKUAuswahl.setItems(this.bkuStrings);
+
+		this.cmbBKUAuswahl.setLayoutData(fd_cmbBKUAuswahl);
+
+		this.cmbBKUAuswahl.addSelectionListener(new SelectionAdapter() {
+
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				int selectionIndex = getBKUElementIndex(AdvancedConfigurationComposite.this.configurationContainer
+						.getBKUSelection());
+				if (AdvancedConfigurationComposite.this.cmbBKUAuswahl
+						.getSelectionIndex() != selectionIndex) {
+					selectionIndex = AdvancedConfigurationComposite.this.cmbBKUAuswahl
+							.getSelectionIndex();
+					performBKUSelectionChanged(AdvancedConfigurationComposite.this.cmbBKUAuswahl
+							.getItem(selectionIndex));
 				}
-			});
+			}
+		});
 
 		Group grpSpeicherort = new Group(this, SWT.NONE);
-		grpSpeicherort.setText(Messages.getString("advanced_config.OutputFolder_Title")); //$NON-NLS-1$
+		grpSpeicherort.setText(Messages
+				.getString("advanced_config.OutputFolder_Title")); //$NON-NLS-1$
 		layout = new FormLayout();
 		layout.marginHeight = 10;
 		layout.marginWidth = 5;
@@ -228,88 +255,100 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 
 		FontData[] fD_grpSpeicherort = grpSpeicherort.getFont().getFontData();
 		fD_grpSpeicherort[0].setHeight(TEXT_SIZE_NORMAL);
-		grpSpeicherort.setFont(new Font(Display.getCurrent(), fD_grpSpeicherort[0]));
-		
-			Label lblDefaultOutputFolder = new Label(grpSpeicherort, SWT.NONE);
-			FormData fd_lblDefaultOutputFolder = new FormData();
-			fd_lblDefaultOutputFolder.top = new FormAttachment(0);
-			fd_lblDefaultOutputFolder.left = new FormAttachment(0, 5);
-			lblDefaultOutputFolder.setLayoutData(fd_lblDefaultOutputFolder);
-			lblDefaultOutputFolder.setText(Messages.getString("advanced_config.OutputFolder")); //$NON-NLS-1$
-	
-			FontData[] fD_lblDefaultOutputFolder = lblDefaultOutputFolder.getFont().getFontData();
-			fD_lblDefaultOutputFolder[0].setHeight(TEXT_SIZE_NORMAL);
-			lblDefaultOutputFolder.setFont(new Font(Display.getCurrent(), fD_lblDefaultOutputFolder[0]));
-			
-			this.txtOutputFolder = new Text(grpSpeicherort, SWT.BORDER);
-			FormData fd_text = new FormData();
-			fd_text.top = new FormAttachment(lblDefaultOutputFolder, 5);
-			fd_text.left = new FormAttachment(0, 15);
-			this.txtOutputFolder.setLayoutData(fd_text);
-	
-			FontData[] fD_txtOutputFolder = this.txtOutputFolder.getFont().getFontData();
-			fD_txtOutputFolder[0].setHeight(TEXT_SIZE_NORMAL);
-			this.txtOutputFolder.setFont(new Font(Display.getCurrent(), fD_txtOutputFolder[0]));
-			
-			this.txtOutputFolder.addFocusListener(new FocusAdapter() {
-				
-				@Override
-				public void focusLost(FocusEvent e) {
-					performOutputFolderChanged(AdvancedConfigurationComposite.this.txtOutputFolder.getText());
-				}
-			});
-			
-			Button btnBrowse = new Button(grpSpeicherort, SWT.NONE);
-			fd_text.right = new FormAttachment(btnBrowse, -5);
-	
-			FontData[] fD_btnBrowse = btnBrowse.getFont().getFontData();
-			fD_btnBrowse[0].setHeight(TEXT_SIZE_BUTTON);
-			btnBrowse.setFont(new Font(Display.getCurrent(), fD_btnBrowse[0]));
-			
-			FormData fd_btnBrowse = new FormData();
-			fd_btnBrowse.top = new FormAttachment(lblDefaultOutputFolder, 5);
-			fd_btnBrowse.right = new FormAttachment(100, -5);
-			btnBrowse.setLayoutData(fd_btnBrowse);
-			btnBrowse.setText(Messages.getString("common.browse")); //$NON-NLS-1$
-	
-			btnBrowse.addSelectionListener(new SelectionAdapter() {
-	
-				@Override
-				public void widgetSelected(SelectionEvent e) {
-					DirectoryDialog dlg = new DirectoryDialog(
-							AdvancedConfigurationComposite.this.getShell());
-	
-					// Set the initial filter path according
-					// to anything they've selected or typed in
-					dlg.setFilterPath(AdvancedConfigurationComposite.this.txtOutputFolder
-							.getText());
-	
-					// Change the title bar text
-					dlg.setText(Messages.getString("advanced_config.OutputFolder.Dialog_Title")); //$NON-NLS-1$
-	
-					// Customizable message displayed in the dialog
-					dlg.setMessage(Messages.getString("advanced_config.OutputFolder.Dialog")); //$NON-NLS-1$
-	
-					// Calling open() will open and run the dialog.
-					// It will return the selected directory, or
-					// null if user cancels
-					String dir = dlg.open();
-					if (dir != null) {
-						// Set the text box to the new selection
-						performOutputFolderChanged(dir);
-					}
+		grpSpeicherort.setFont(new Font(Display.getCurrent(),
+				fD_grpSpeicherort[0]));
+
+		Label lblDefaultOutputFolder = new Label(grpSpeicherort, SWT.NONE);
+		FormData fd_lblDefaultOutputFolder = new FormData();
+		fd_lblDefaultOutputFolder.top = new FormAttachment(0);
+		fd_lblDefaultOutputFolder.left = new FormAttachment(0, 5);
+		lblDefaultOutputFolder.setLayoutData(fd_lblDefaultOutputFolder);
+		lblDefaultOutputFolder.setText(Messages
+				.getString("advanced_config.OutputFolder")); //$NON-NLS-1$
+
+		FontData[] fD_lblDefaultOutputFolder = lblDefaultOutputFolder.getFont()
+				.getFontData();
+		fD_lblDefaultOutputFolder[0].setHeight(TEXT_SIZE_NORMAL);
+		lblDefaultOutputFolder.setFont(new Font(Display.getCurrent(),
+				fD_lblDefaultOutputFolder[0]));
+
+		this.txtOutputFolder = new Text(grpSpeicherort, SWT.BORDER);
+		FormData fd_text = new FormData();
+		fd_text.top = new FormAttachment(lblDefaultOutputFolder, 5);
+		fd_text.left = new FormAttachment(0, 15);
+		this.txtOutputFolder.setLayoutData(fd_text);
+
+		FontData[] fD_txtOutputFolder = this.txtOutputFolder.getFont()
+				.getFontData();
+		fD_txtOutputFolder[0].setHeight(TEXT_SIZE_NORMAL);
+		this.txtOutputFolder.setFont(new Font(Display.getCurrent(),
+				fD_txtOutputFolder[0]));
+
+		this.txtOutputFolder.addFocusListener(new FocusAdapter() {
+
+			@Override
+			public void focusLost(FocusEvent e) {
+				performOutputFolderChanged(AdvancedConfigurationComposite.this.txtOutputFolder
+						.getText());
+			}
+		});
+
+		Button btnBrowse = new Button(grpSpeicherort, SWT.NONE);
+		fd_text.right = new FormAttachment(btnBrowse, -5);
+
+		FontData[] fD_btnBrowse = btnBrowse.getFont().getFontData();
+		fD_btnBrowse[0].setHeight(TEXT_SIZE_BUTTON);
+		btnBrowse.setFont(new Font(Display.getCurrent(), fD_btnBrowse[0]));
+
+		FormData fd_btnBrowse = new FormData();
+		fd_btnBrowse.top = new FormAttachment(lblDefaultOutputFolder, 5);
+		fd_btnBrowse.right = new FormAttachment(100, -5);
+		btnBrowse.setLayoutData(fd_btnBrowse);
+		btnBrowse.setText(Messages.getString("common.browse")); //$NON-NLS-1$
+
+		btnBrowse.addSelectionListener(new SelectionAdapter() {
+
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				DirectoryDialog dlg = new DirectoryDialog(
+						AdvancedConfigurationComposite.this.getShell());
+
+				// Set the initial filter path according
+				// to anything they've selected or typed in
+				dlg.setFilterPath(AdvancedConfigurationComposite.this.txtOutputFolder
+						.getText());
+
+				// Change the title bar text
+				dlg.setText(Messages
+						.getString("advanced_config.OutputFolder.Dialog_Title")); //$NON-NLS-1$
+
+				// Customizable message displayed in the dialog
+				dlg.setMessage(Messages
+						.getString("advanced_config.OutputFolder.Dialog")); //$NON-NLS-1$
+
+				// Calling open() will open and run the dialog.
+				// It will return the selected directory, or
+				// null if user cancels
+				String dir = dlg.open();
+				if (dir != null) {
+					// Set the text box to the new selection
+					performOutputFolderChanged(dir);
 				}
-			});
+			}
+		});
 	}
 
-	/* (non-Javadoc)
-	 * @see at.asit.pdfover.gui.composites.BaseConfigurationComposite#signerChanged()
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * at.asit.pdfover.gui.composites.BaseConfigurationComposite#signerChanged()
 	 */
 	@Override
 	protected void signerChanged() {
 		// Nothing to do here (yet)
 	}
-	
+
 	void performOutputFolderChanged(String foldername) {
 		log.debug("Selected Output folder: " + foldername); //$NON-NLS-1$
 		this.configurationContainer.setOutputFolder(foldername);
@@ -319,18 +358,18 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 	int getBKUElementIndex(BKUs bku) {
 		String lookup = "BKU." + bku.toString(); //$NON-NLS-1$
 		String bkuName = Messages.getString(lookup);
-		
-		for(int i = 0; i < this.bkuStrings.length; i++) {
-			if(this.bkuStrings[i].equals(bkuName)) {
+
+		for (int i = 0; i < this.bkuStrings.length; i++) {
+			if (this.bkuStrings[i].equals(bkuName)) {
 				log.debug("BKU: " + bkuName + " IDX: " + i); //$NON-NLS-1$ //$NON-NLS-2$
 				return i;
 			}
 		}
-		
+
 		log.warn("NO BKU match for " + bkuName); //$NON-NLS-1$
 		return 0;
 	}
-	
+
 	void performBKUSelectionChanged(BKUs selected) {
 		log.debug("Selected BKU: " + selected.toString()); //$NON-NLS-1$
 		this.configurationContainer.setBKUSelection(selected);
@@ -343,24 +382,24 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 			this.performBKUSelectionChanged(bkuvalue);
 		} catch (Exception ex) {
 			log.error("Failed to parse BKU value: " + selected, ex); //$NON-NLS-1$
-			ErrorDialog dialog = new ErrorDialog(getShell(), SWT.NONE, Messages.getString("error.InvalidBKU"), ex, false); //$NON-NLS-1$
+			ErrorDialog dialog = new ErrorDialog(getShell(), Messages.getString("error.InvalidBKU"), false); //$NON-NLS-1$
 			dialog.open();
 		}
 	}
-	
+
 	BKUs resolvBKU(String localizedBKU) {
 		int blen = BKUs.values().length;
 
 		for (int i = 0; i < blen; i++) {
 			String lookup = "BKU." + BKUs.values()[i].toString(); //$NON-NLS-1$
-			if(Messages.getString(lookup).equals(localizedBKU)) {
+			if (Messages.getString(lookup).equals(localizedBKU)) {
 				return BKUs.values()[i];
 			}
 		}
 
 		return BKUs.NONE;
 	}
-	
+
 	void performPositionSelection(boolean automatic) {
 		log.debug("Selected Position: " + automatic); //$NON-NLS-1$
 		this.configurationContainer.setAutomaticPosition(automatic);
@@ -391,20 +430,41 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 	@Override
 	public void loadConfiguration() {
 		// load advanced settings
-		this.performBKUSelectionChanged(this.configurationContainer.getBKUSelection());
+		this.performBKUSelectionChanged(this.configurationContainer
+				.getBKUSelection());
 		String outputFolder = this.configurationContainer.getOutputFolder();
-		if(outputFolder != null) {
+		if (outputFolder != null) {
 			this.performOutputFolderChanged(outputFolder);
 		}
-		this.performPositionSelection(this.configurationContainer.getAutomaticPosition());
-		this.sclTransparenz.setSelection(this.configurationContainer.getPlaceholderTransparency());
+		this.performPositionSelection(this.configurationContainer
+				.getAutomaticPosition());
+		this.sclTransparenz.setSelection(this.configurationContainer
+				.getPlaceholderTransparency());
 	}
 
-	/* (non-Javadoc)
-	 * @see at.asit.pdfover.gui.composites.BaseConfigurationComposite#validateSettings()
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * at.asit.pdfover.gui.composites.BaseConfigurationComposite#validateSettings
+	 * ()
 	 */
 	@Override
 	public void validateSettings() throws Exception {
-		// Nothing to do here (yet)
+		
+		String foldername = this.configurationContainer.getOutputFolder();
+		
+		if (foldername != null && !foldername.equals("")) {
+			File outputFolder = new File(foldername);
+			if (!outputFolder.exists()) {
+				throw new Exception("Path " + outputFolder.getAbsolutePath()
+								+ " doesnot exists!");
+			}
+
+			if (!outputFolder.isDirectory()) {
+				throw new Exception("Path " + outputFolder.getAbsolutePath()
+								+ " is not a directory!");
+			}
+		}
 	}
 }