State Machine stuff

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-over/trunk@20 174cde9d-5d70-4d2a-aa98-46368bc2aaf7

11 files changed, 875 insertions, 52 deletions

diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/BKUSelectionComposite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/BKUSelectionComposite.java
new file mode 100644
index 00000000..78ca0d23
--- /dev/null
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/BKUSelectionComposite.java
@@ -0,0 +1,167 @@
+/*
+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://joinup.ec.europa.eu/software/page/eupl
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ */
+package at.asit.pdfover.gui.components;
+
+// Imports
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.layout.FormAttachment;
+import org.eclipse.swt.layout.FormData;
+import org.eclipse.swt.layout.FormLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.asit.pdfover.gui.workflow.Workflow;
+import at.asit.pdfover.gui.workflow.states.BKUSelectionState;
+import at.asit.pdfover.gui.workflow.states.BKUSelectionState.BKUS;
+
+/**
+ * 
+ */
+public class BKUSelectionComposite extends Composite implements StateComposite {
+	
+	
+	/**
+	 * Listener for local bku selection 
+	 */
+	private final class LocalSelectionListener implements SelectionListener {
+		
+		/**
+		 * Default constructor 
+		 */
+		public LocalSelectionListener() {
+			// Nothing here
+		}
+
+		@Override
+		public void widgetSelected(SelectionEvent e) {
+			log.debug("Setting BKU to LOCAL");
+			setSelected(BKUS.LOCAL);
+		}
+
+		@Override
+		public void widgetDefaultSelected(SelectionEvent e) {
+			// Nothing here
+		}
+	}
+	
+	/**
+	 * Listener for mobile bku selection 
+	 */
+	private final class MobileSelectionListener implements SelectionListener {
+		
+		/**
+		 * Default constructor
+		 */
+		public MobileSelectionListener() {
+			// Nothing here
+		}
+
+		@Override
+		public void widgetSelected(SelectionEvent e) {
+			log.debug("Setting BKU to MOBILE");
+			setSelected(BKUS.MOBILE);
+		}
+
+		@Override
+		public void widgetDefaultSelected(SelectionEvent e) {
+			// Nothing here
+		}
+	}
+
+	/**
+	 * SLF4J Logger instance
+	 **/
+	private static final Logger log = LoggerFactory
+			.getLogger(BKUSelectionComposite.class);
+
+	private Workflow workflow;
+	
+	private BKUS selected = BKUS.NONE;
+	
+	/**
+	 * Gets selected BKU type
+	 * @return BKUS enum
+	 */
+	public BKUS getSelected() {
+		return this.selected;
+	}
+
+	/**
+	 * Sets selected BKU and updates workflow
+	 * @param selected
+	 */
+	public void setSelected(final BKUS selected) {
+		this.selected = selected;
+		this.workflow.update();
+	}
+
+	/**
+	 * Create the composite.
+	 * @param parent
+	 * @param style
+	 */
+	public BKUSelectionComposite(Composite parent, int style, Workflow flow) {
+		super(parent, style);
+
+		this.workflow = flow;
+
+		this.setLayout(new FormLayout());
+		
+		
+		Button btn_mobile = new Button(this, SWT.NATIVE | SWT.RESIZE);
+		btn_mobile.setText("MOBILE");
+		//Point mobile_size = btn_mobile.computeSize(SWT.DEFAULT, SWT.DEFAULT);
+		FormData fd_btn_mobile = new FormData();
+		fd_btn_mobile.left = new FormAttachment(40, 0);
+		fd_btn_mobile.right = new FormAttachment(50, 0);
+		fd_btn_mobile.top = new FormAttachment(45, 0);
+		fd_btn_mobile.bottom = new FormAttachment(55, 0);
+		btn_mobile.setLayoutData(fd_btn_mobile);
+		btn_mobile.addSelectionListener(new MobileSelectionListener());
+
+		Button btn_card = new Button(this, SWT.NATIVE | SWT.RESIZE);
+		btn_card.setText("CARD");
+		//Point card_size = btn_card.computeSize(SWT.DEFAULT, SWT.DEFAULT);
+		FormData fd_btn_card = new FormData();
+		fd_btn_card.left = new FormAttachment(50, 0);
+		fd_btn_card.right = new FormAttachment(60, 0);
+		fd_btn_card.top = new FormAttachment(45, 0);
+		fd_btn_card.bottom = new FormAttachment(55, 0);
+		btn_card.setLayoutData(fd_btn_card);
+		btn_card.addSelectionListener(new LocalSelectionListener());
+		
+		this.pack();
+	}
+
+	@Override
+	protected void checkSubclass() {
+		// Disable the check that prevents subclassing of SWT components
+	}
+
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.gui.components.StateComposite#doLayout()
+	 */
+	@Override
+	public void doLayout() {
+		this.layout(true, true);
+	}
+
+}
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/DataSourceSelectComposite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/DataSourceSelectComposite.java
index e6f3e1ba..d5719917 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/DataSourceSelectComposite.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/DataSourceSelectComposite.java
@@ -16,9 +16,12 @@
 package at.asit.pdfover.gui.components;
 
 // Imports
+import java.io.File;
+
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.FileDialog;
 import org.eclipse.swt.widgets.Label;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -30,6 +33,9 @@ import org.eclipse.swt.layout.FormAttachment;
 import org.eclipse.swt.layout.FormData;
 import org.eclipse.swt.layout.FormLayout;
 import org.eclipse.swt.SWT;
+import org.eclipse.swt.dnd.*;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
 
 import at.asit.pdfover.gui.workflow.Workflow;
 
@@ -37,7 +43,40 @@ import at.asit.pdfover.gui.workflow.Workflow;
  * 
  *
  */
-public class DataSourceSelectComposite extends Composite implements StateComposite {
+public class DataSourceSelectComposite extends Composite implements
+		StateComposite {
+
+	/**
+	 * 
+	 */
+	private final class FileBrowseDialog implements SelectionListener {
+		/**
+		 * 
+		 */
+		public FileBrowseDialog() {
+			// Nothing to do here
+		}
+
+		@Override
+		public void widgetSelected(SelectionEvent e) {
+			FileDialog dialog = new FileDialog(DataSourceSelectComposite.this.getShell(), SWT.OPEN);
+			dialog.setFilterExtensions(new String[] {"*.pdf"});
+			dialog.setFilterNames(new String[] {"PDF Dateien"});
+			String fileName = dialog.open();
+	        File file = null;
+	        if (fileName != null) {
+	            file = new File(fileName);
+	            if(file.exists()) {
+	            	DataSourceSelectComposite.this.setSelected(file);
+	            }
+	        }
+		}
+
+		@Override
+		public void widgetDefaultSelected(SelectionEvent e) {
+			// Nothing to do here
+		}
+	}
 
 	/**
 	 * SFL4J Logger instance
@@ -46,22 +85,46 @@ public class DataSourceSelectComposite extends Composite implements StateComposi
 			.getLogger(DataSourceSelectComposite.class);
 
 	private Workflow workflow;
-	
+
+	/**
+	 * Set this value through the setter method!!
+	 */
+	private File selected = null;
+
+	/**
+	 * Sets the selected file and calls update to the workflow
+	 * @param selected
+	 */
+	protected void setSelected(File selected) {
+		this.selected = selected;
+		workflow.update();
+	}
+
+	/**
+	 * Gets the selected file
+	 * 
+	 * @return the selected file
+	 */
+	public File getSelected() {
+		return this.selected;
+	}
+
 	/**
 	 * Create the composite.
+	 * 
 	 * @param parent
 	 * @param style
-	 * @param flow 
+	 * @param flow
 	 */
 	public DataSourceSelectComposite(Composite parent, int style, Workflow flow) {
 		super(parent, style);
-		
+
 		this.workflow = flow;
-		
+
 		this.setLayout(new FormLayout());
-		
+
 		Color back = new Color(Display.getCurrent(), 77, 190, 250);
-		
+
 		this.drop_area = new Composite(this, SWT.RESIZE | SWT.BORDER_DASH);
 		FormData fd_drop_area = new FormData();
 		fd_drop_area.left = new FormAttachment(0, 0);
@@ -71,8 +134,89 @@ public class DataSourceSelectComposite extends Composite implements StateComposi
 		this.drop_area.setLayoutData(fd_drop_area);
 		this.drop_area.setLayout(new FormLayout());
 		this.drop_area.setBackground(back);
-		
-		final Label lbl_drag = new Label(this.drop_area, SWT.NONE | SWT.RESIZE );
+
+		DropTarget dnd_target = new DropTarget(this.drop_area, DND.DROP_DEFAULT
+				| DND.DROP_COPY);
+		final FileTransfer fileTransfer = FileTransfer.getInstance();
+		Transfer[] types = new Transfer[] { fileTransfer };
+		dnd_target.setTransfer(types);
+
+		dnd_target.addDropListener(new DropTargetListener() {
+
+			@Override
+			public void dropAccept(DropTargetEvent event) {
+				// TODO Auto-generated method stub
+
+			}
+
+			@Override
+			public void drop(DropTargetEvent event) {
+				if (fileTransfer.isSupportedType(event.currentDataType)){
+					String[] files = (String[])event.data;
+					if(files.length > 0) {
+						// Only taking first file ...
+						File file = new File(files[0]);
+						if(!file.exists())
+						{
+							log.error("File: " + files[0] + " doesnot exists!");
+							return;
+						}
+						DataSourceSelectComposite.this.setSelected(file);
+					}
+				}
+			}
+
+			@Override
+			public void dragOver(DropTargetEvent event) {
+				// TODO Auto-generated method stub
+
+			}
+
+			@Override
+			public void dragOperationChanged(DropTargetEvent event) {
+				if (event.detail == DND.DROP_DEFAULT) {
+					if ((event.operations & DND.DROP_COPY) != 0) {
+						event.detail = DND.DROP_COPY;
+					} else {
+						event.detail = DND.DROP_NONE;
+					}
+				}
+			}
+
+			@Override
+			public void dragLeave(DropTargetEvent event) {
+				// No need to do anything here...
+			}
+
+			@Override
+			public void dragEnter(DropTargetEvent event) {
+				if (event.detail == DND.DROP_DEFAULT) {
+					if ((event.operations & DND.DROP_COPY) != 0) {
+						event.detail = DND.DROP_COPY;
+					} else {
+						event.detail = DND.DROP_NONE;
+					}
+				}
+				// Only drop one item!
+				if(event.dataTypes.length > 1) {
+					event.detail = DND.DROP_NONE;
+					return;
+				}
+				// will accept text but prefer to have files dropped
+				for (int i = 0; i < event.dataTypes.length; i++) {
+					if (fileTransfer.isSupportedType(event.dataTypes[i])) {
+						event.currentDataType = event.dataTypes[i];
+						// files should only be copied
+						if (event.detail != DND.DROP_COPY) {
+							event.detail = DND.DROP_NONE;
+						}
+						break;
+					}
+				}
+			}
+		});
+
+		final Label lbl_drag = new Label(this.drop_area, SWT.NONE | SWT.RESIZE);
 		FormData fd_lbl_drag = new FormData();
 		fd_lbl_drag.left = new FormAttachment(5, 5);
 		fd_lbl_drag.right = new FormAttachment(100, -5);
@@ -81,13 +225,12 @@ public class DataSourceSelectComposite extends Composite implements StateComposi
 		lbl_drag.setLayoutData(fd_lbl_drag);
 		FontData[] fD = lbl_drag.getFont().getFontData();
 		fD[0].setHeight(18);
-		lbl_drag.setFont( new Font(Display.getCurrent(),fD[0]));
+		lbl_drag.setFont(new Font(Display.getCurrent(), fD[0]));
 		lbl_drag.setText("Drag and Drop");
 		lbl_drag.setAlignment(SWT.CENTER);
 		lbl_drag.setBackground(back);
-		
-		
-		Button btn_open = new Button(this.drop_area, SWT.NATIVE | SWT.RESIZE );
+
+		Button btn_open = new Button(this.drop_area, SWT.NATIVE | SWT.RESIZE);
 		btn_open.setText("Choose file ...");
 		Point size = btn_open.computeSize(SWT.DEFAULT, SWT.DEFAULT);
 		FormData fd_btn_open = new FormData();
@@ -97,28 +240,25 @@ public class DataSourceSelectComposite extends Composite implements StateComposi
 		fd_btn_open.bottom = new FormAttachment(100, -5);
 		btn_open.setLayoutData(fd_btn_open);
 		btn_open.setBackground(back);
-		
+		btn_open.addSelectionListener(new FileBrowseDialog());
 		this.drop_area.pack();
-		
-		/*Button btn = new Button(this, SWT.NATIVE);
-		btn.setBounds(50, 20, 100, 50);
-		btn.setText("Click Me");
-		btn.addSelectionListener(new SelectionListener() {
-			
-			@Override
-			public void widgetSelected(SelectionEvent arg0) {
-				DataSourceSelectComposite.this.setPress(true);
-				DataSourceSelectComposite.this.workflow.update();
-			}
-			
-			@Override
-			public void widgetDefaultSelected(SelectionEvent arg0) {
-				// TODO Auto-generated method stub
-				
-			}
-		});*/
+
+		/*
+		 * Button btn = new Button(this, SWT.NATIVE); btn.setBounds(50, 20, 100,
+		 * 50); btn.setText("Click Me"); btn.addSelectionListener(new
+		 * SelectionListener() {
+		 * 
+		 * @Override public void widgetSelected(SelectionEvent arg0) {
+		 * DataSourceSelectComposite.this.setPress(true);
+		 * DataSourceSelectComposite.this.workflow.update(); }
+		 * 
+		 * @Override public void widgetDefaultSelected(SelectionEvent arg0) { //
+		 * TODO Auto-generated method stub
+		 * 
+		 * } });
+		 */
 	}
-	
+
 	private boolean press = false;
 
 	private Composite drop_area;
@@ -136,13 +276,16 @@ public class DataSourceSelectComposite extends Composite implements StateComposi
 	}
 
 	/**
-	 * @param press the press to set
+	 * @param press
+	 *            the press to set
 	 */
 	public void setPress(boolean press) {
 		this.press = press;
 	}
 
-	/* (non-Javadoc)
+	/*
+	 * (non-Javadoc)
+	 * 
 	 * @see at.asit.pdfover.gui.components.StateComposite#doLayout()
 	 */
 	@Override
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/MainWindow.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/MainWindow.java
index 704a2440..731c5f57 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/MainWindow.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/MainWindow.java
@@ -16,8 +16,6 @@
 package at.asit.pdfover.gui.components;
 
 // Imports
-import javax.swing.GroupLayout;
-
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Display;
@@ -28,9 +26,31 @@ import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.CLabel;
 import org.eclipse.swt.custom.StackLayout;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.layout.FormLayout;
 import org.eclipse.swt.layout.FormData;
 import org.eclipse.swt.layout.FormAttachment;
+import java.lang.Class;
+import java.util.HashMap;
+import java.util.Map;
+
+import at.asit.pdfover.gui.components.main_behavior.ConfigOpenEnabled;
+import at.asit.pdfover.gui.components.main_behavior.ConfigOpenPositionEnabled;
+import at.asit.pdfover.gui.components.main_behavior.MainWindowAllDisabled;
+import at.asit.pdfover.gui.components.main_behavior.MainWindowBehavior;
+import at.asit.pdfover.gui.components.main_behavior.OnlyConfigEnabled;
+import at.asit.pdfover.gui.workflow.Workflow;
+import at.asit.pdfover.gui.workflow.WorkflowState;
+import at.asit.pdfover.gui.workflow.states.BKUSelectionState;
+import at.asit.pdfover.gui.workflow.states.DataSourceSelectionState;
+import at.asit.pdfover.gui.workflow.states.LocalBKUState;
+import at.asit.pdfover.gui.workflow.states.MobileBKUState;
+import at.asit.pdfover.gui.workflow.states.OutputState;
+import at.asit.pdfover.gui.workflow.states.PositioningState;
+import at.asit.pdfover.gui.workflow.states.PrepareConfigurationState;
+import at.asit.pdfover.gui.workflow.states.PrepareSigningState;
+import at.asit.pdfover.gui.workflow.states.SigningState;
 
 /**
  * The Main Window of PDFOver 4.0
@@ -38,6 +58,29 @@ import org.eclipse.swt.layout.FormAttachment;
 public class MainWindow {
 
 	/**
+	 * 
+	 */
+	private final class DataSourceSelectionListener implements
+			SelectionListener {
+		/**
+		 * 
+		 */
+		public DataSourceSelectionListener() {
+			// Nothing to do here
+		}
+
+		@Override
+		public void widgetSelected(SelectionEvent e) {
+			MainWindow.this.workflow.setWorkflowState(new DataSourceSelectionState());
+		}
+
+		@Override
+		public void widgetDefaultSelected(SelectionEvent e) {
+			// Nothing to do here
+		}
+	}
+
+	/**
 	 * SFL4J Logger instance
 	 **/
 	private static final Logger log = LoggerFactory.getLogger(MainWindow.class);
@@ -45,12 +88,81 @@ public class MainWindow {
 	private CLabel lbl_status;
 	private Composite container;
 	private StackLayout stack;
+	private Workflow workflow;
+	private Button btn_sign;
+	
+	/**
+	 * Gets the sign button
+	 * @return the sign button
+	 */
+	public Button getBtn_sign() {
+		return this.btn_sign;
+	}
+
+	private Button btn_position;
+	
+	/**
+	 * Gets the position button
+	 * @return the position button
+	 */
+	public Button getBtn_position() {
+		return this.btn_position;
+	}
+
+	private Button btn_open;
+	
+	/**
+	 * Gets the open button
+	 * @return the open button
+	 */
+	public Button getBtn_open() {
+		return this.btn_open;
+	}
+
+	private Button btn_config;
+	
+	/**
+	 * Gets the config button
+	 * @return the config button
+	 */
+	public Button getBtn_config() {
+		return this.btn_config;
+	}
+
+	private Map<Class, MainWindowBehavior> behavior = new HashMap<Class, MainWindowBehavior>();
+	
+	/**
+	 * Default contsructor
+	 * @param workflow The main workflow
+	 */
+	public MainWindow(Workflow workflow) {
+		super();
+		
+		this.behavior.put(PrepareConfigurationState.class, new MainWindowAllDisabled());
+		this.behavior.put(PrepareSigningState.class, new MainWindowAllDisabled());
+		this.behavior.put(SigningState.class, new MainWindowAllDisabled());
+		this.behavior.put(LocalBKUState.class, new MainWindowAllDisabled());
+		this.behavior.put(MobileBKUState.class, new MainWindowAllDisabled());
+		
+		this.behavior.put(OutputState.class, new MainWindowAllDisabled());
+		
+		this.behavior.put(DataSourceSelectionState.class, new OnlyConfigEnabled());
+		
+		this.behavior.put(PositioningState.class, new ConfigOpenEnabled());
+		
+		this.behavior.put(BKUSelectionState.class, new ConfigOpenPositionEnabled());
+		
+		this.workflow = workflow;
+	}
 
 	/**
 	 * Set current status (may be removed in production release)
 	 * @param value
 	 */
 	public void setStatus(String value) {
+		if(this.getShell().isDisposed()) {
+			return;
+		}
 		this.lbl_status.setText("[DEBUG]: Current workflow state: " + value);
 	}
 
@@ -61,6 +173,14 @@ public class MainWindow {
 	public void setTopControl(Control ctrl) {
 		log.debug("Top control: " + ctrl.toString());
 		this.stack.topControl = ctrl;
+		this.doLayout();
+	}
+	
+	/**
+	 * Layout the Main Window
+	 */
+	public void doLayout() {
+		Control ctrl = this.stack.topControl;
 		this.container.layout(true, true);
 		this.shell.layout(true, true);
 		// Note: SWT only layouts children! No grandchildren!
@@ -84,7 +204,7 @@ public class MainWindow {
 	public static void main(String[] args) {
 		Display display = Display.getDefault();
 		
-		MainWindow window = new MainWindow();
+		MainWindow window = new MainWindow(null);
 		
 		window.open();
 		
@@ -126,41 +246,42 @@ public class MainWindow {
 		composite.setLayoutData(fd_composite);
 		composite.setLayout(new FormLayout());
 		
-		Button btn_config = new Button(composite, SWT.NONE);
+		this.btn_config = new Button(composite, SWT.NONE);
 		FormData fd_config = new FormData();
 		fd_config.left = new FormAttachment(0, 0);
 		fd_config.right = new FormAttachment(25, 0);
 		fd_config.top = new FormAttachment(0, 0);
 		fd_config.bottom = new FormAttachment(100, 0);
-		btn_config.setLayoutData(fd_config);
-		btn_config.setText("Config ...");
+		this.btn_config.setLayoutData(fd_config);
+		this.btn_config.setText("Config ...");
 		
-		Button btn_open = new Button(composite, SWT.NONE);
+		this.btn_open = new Button(composite, SWT.NONE);
 		FormData fd_open = new FormData();
 		fd_open.left = new FormAttachment(25, 0);
 		fd_open.right = new FormAttachment(50, 0);
 		fd_open.top = new FormAttachment(0, 0);
 		fd_open.bottom = new FormAttachment(100, 0);
-		btn_open.setLayoutData(fd_open);
-		btn_open.setText("Open ...");
+		this.btn_open.setLayoutData(fd_open);
+		this.btn_open.setText("Open ...");
+		this.btn_open.addSelectionListener(new DataSourceSelectionListener());
 		
-		Button btn_position = new Button(composite, SWT.NONE);
+		this.btn_position = new Button(composite, SWT.NONE);
 		FormData fd_position = new FormData();
 		fd_position.left = new FormAttachment(50, 0);
 		fd_position.right = new FormAttachment(75, 0);
 		fd_position.top = new FormAttachment(0, 0);
 		fd_position.bottom = new FormAttachment(100, 0);
-		btn_position.setLayoutData(fd_position);
-		btn_position.setText("Positon ...");
+		this.btn_position.setLayoutData(fd_position);
+		this.btn_position.setText("Positon ...");
 		
-		Button btn_sign = new Button(composite, SWT.NONE);
+		this.btn_sign = new Button(composite, SWT.NONE);
 		FormData fd_sign = new FormData();
 		fd_sign.left = new FormAttachment(75, 0);
 		fd_sign.right = new FormAttachment(100, 0);
 		fd_sign.top = new FormAttachment(0, 0);
 		fd_sign.bottom = new FormAttachment(100, 0);
-		btn_sign.setLayoutData(fd_sign);
-		btn_sign.setText("Sign ...");
+		this.btn_sign.setLayoutData(fd_sign);
+		this.btn_sign.setText("Sign ...");
 		
 		this.container = new Composite(getShell(), SWT.BORDER | SWT.RESIZE);
 		FormData fd_composite_1 = new FormData();
@@ -184,6 +305,19 @@ public class MainWindow {
 	}
 
 	/**
+	 * Update MainWindow to fit new status
+	 */
+	public void UpdateNewState() {
+		WorkflowState state = this.workflow.getState();
+		
+		log.debug("Updating MainWindow state for : " + state.toString());
+		
+		if(this.behavior.containsKey(state.getClass())) {
+			this.behavior.get(state.getClass()).SetState(this);
+		}
+	}
+	
+	/**
 	 * @return the shell
 	 */
 	public Shell getShell() {
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/PositioningComposite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/PositioningComposite.java
index 79cbbc68..7c1d4d06 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/PositioningComposite.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/PositioningComposite.java
@@ -17,12 +17,16 @@ package at.asit.pdfover.gui.components;
 
 // Imports
 import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Label;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import at.asit.pdfover.gui.workflow.Workflow;
+import at.asit.pdfover.signator.SignaturePosition;
 
 /**
  * 
@@ -31,11 +35,56 @@ import at.asit.pdfover.gui.workflow.Workflow;
 public class PositioningComposite extends Composite implements StateComposite {
 
 	/**
+	 * Selection listener when position was fixed
+	 */
+	private final class PositionSelectedListener implements SelectionListener {
+		
+		/**
+		 * Default constructor
+		 */
+		public PositionSelectedListener() {
+			// Nothing to do
+		}
+
+		@Override
+		public void widgetSelected(SelectionEvent e) {
+			// TODO: FIX to get real position
+			PositioningComposite.this.setPosition(new SignaturePosition()); // Setting auto position for testing
+			PositioningComposite.this.workflow.update();
+		}
+
+		@Override
+		public void widgetDefaultSelected(SelectionEvent e) {
+			// Nothing to do
+		}
+	}
+
+	/**
 	 * SFL4J Logger instance
 	 **/
 	private static final Logger log = LoggerFactory
 			.getLogger(PositioningComposite.class);
 
+	private Workflow workflow;
+	
+	private SignaturePosition position = null;
+	
+	/**
+	 * Gets the Position
+	 * @return
+	 */
+	public SignaturePosition getPosition() {
+		return this.position;
+	}
+
+	/**
+	 * Sets the position
+	 * @param position
+	 */
+	public void setPosition(SignaturePosition position) {
+		this.position = position;
+	}
+
 	/**
 	 * Create the composite.
 	 * @param parent
@@ -43,9 +92,17 @@ public class PositioningComposite extends Composite implements StateComposite {
 	 */
 	public PositioningComposite(Composite parent, int style, Workflow workflow) {
 		super(parent, style);
+		
+		this.workflow = workflow;
+		
 		Label test = new Label(this, SWT.NATIVE);
-		test.setBounds(10, 20, 100, 50);
-		test.setText("POSITIONING ----");
+		test.setBounds(10, 20, 100, 30);
+		test.setText("POSITIONING ---- TODO!!");
+		
+		Button btn_position = new Button(this, SWT.NATIVE | SWT.RESIZE);
+		btn_position.setBounds(10, 50, 100, 30);
+		btn_position.setText("FAKE Position");
+		btn_position.addSelectionListener(new PositionSelectedListener());
 	}
 
 	@Override
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/WaitingComposite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/WaitingComposite.java
new file mode 100644
index 00000000..371d5e26
--- /dev/null
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/WaitingComposite.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://joinup.ec.europa.eu/software/page/eupl
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ */
+package at.asit.pdfover.gui.components;
+
+// Imports
+import org.eclipse.swt.widgets.Composite;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.eclipse.swt.widgets.ProgressBar;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.FormLayout;
+import org.eclipse.swt.layout.FormData;
+import org.eclipse.swt.layout.FormAttachment;
+
+import at.asit.pdfover.gui.workflow.Workflow;
+
+/**
+ * 
+ */
+public class WaitingComposite extends Composite {
+	/**
+	 * SLF4J Logger instance
+	 **/
+	private static final Logger log = LoggerFactory
+			.getLogger(WaitingComposite.class);
+
+	private Workflow workflow;
+	
+	/**
+	 * Create the composite.
+	 * @param parent
+	 * @param style
+	 */
+	public WaitingComposite(Composite parent, int style, Workflow workflow) {
+		super(parent, style);
+		setLayout(new FormLayout());
+		
+		this.workflow = workflow;
+		
+		ProgressBar progressBar = new ProgressBar(this, SWT.HORIZONTAL | SWT.INDETERMINATE);
+		FormData fd_progressBar = new FormData();
+		fd_progressBar.top = new FormAttachment(50, -15);
+		fd_progressBar.bottom = new FormAttachment(50, +15);
+		fd_progressBar.left = new FormAttachment(50, -100);
+		fd_progressBar.right = new FormAttachment(50, +100);
+		progressBar.setLayoutData(fd_progressBar);
+	}
+
+	@Override
+	protected void checkSubclass() {
+		// Disable the check that prevents subclassing of SWT components
+	}
+}
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/ConfigOpenEnabled.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/ConfigOpenEnabled.java
new file mode 100644
index 00000000..a9280624
--- /dev/null
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/ConfigOpenEnabled.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://joinup.ec.europa.eu/software/page/eupl
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ */
+package at.asit.pdfover.gui.components.main_behavior;
+
+// Imports
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.asit.pdfover.gui.components.MainWindow;
+
+/**
+ * 
+ */
+public class ConfigOpenEnabled implements MainWindowBehavior {
+	/**
+	 * SLF4J Logger instance
+	 **/
+	private static final Logger log = LoggerFactory
+			.getLogger(ConfigOpenEnabled.class);
+
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.gui.components.MainWindowBehavior#SetState(at.asit.pdfover.gui.components.MainWindow)
+	 */
+	@Override
+	public void SetState(MainWindow window) {
+		log.debug("ENABLING config & open");
+		window.getBtn_config().setEnabled(true);
+		window.getBtn_open().setEnabled(true);
+		window.getBtn_position().setEnabled(false);
+		window.getBtn_sign().setEnabled(false);
+	}
+}
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/ConfigOpenPositionEnabled.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/ConfigOpenPositionEnabled.java
new file mode 100644
index 00000000..7e1af1ef
--- /dev/null
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/ConfigOpenPositionEnabled.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://joinup.ec.europa.eu/software/page/eupl
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ */
+package at.asit.pdfover.gui.components.main_behavior;
+
+// Imports
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.asit.pdfover.gui.components.MainWindow;
+
+/**
+ * 
+ */
+public class ConfigOpenPositionEnabled implements MainWindowBehavior {
+	/**
+	 * SLF4J Logger instance
+	 **/
+	private static final Logger log = LoggerFactory
+			.getLogger(ConfigOpenPositionEnabled.class);
+
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.gui.components.MainWindowBehavior#SetState(at.asit.pdfover.gui.components.MainWindow)
+	 */
+	@Override
+	public void SetState(MainWindow window) {
+		log.debug("ENABLING config & open & position");
+		window.getBtn_config().setEnabled(true);
+		window.getBtn_open().setEnabled(true);
+		window.getBtn_position().setEnabled(true);
+		window.getBtn_sign().setEnabled(false);
+	}
+}
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/MainWindowAllDisabled.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/MainWindowAllDisabled.java
new file mode 100644
index 00000000..c5b70852
--- /dev/null
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/MainWindowAllDisabled.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://joinup.ec.europa.eu/software/page/eupl
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ */
+package at.asit.pdfover.gui.components.main_behavior;
+
+// Imports
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.asit.pdfover.gui.components.MainWindow;
+
+/**
+ * 
+ */
+public class MainWindowAllDisabled implements MainWindowBehavior {
+	/**
+	 * SLF4J Logger instance
+	 **/
+	private static final Logger log = LoggerFactory
+			.getLogger(MainWindowAllDisabled.class);
+
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.gui.components.MainWindowBehavior#SetState(at.asit.pdfover.gui.components.MainWindow)
+	 */
+	@Override
+	public void SetState(MainWindow window) {
+		log.debug("DISABLING ALL");
+		window.getBtn_config().setEnabled(false);
+		window.getBtn_open().setEnabled(false);
+		window.getBtn_position().setEnabled(false);
+		window.getBtn_sign().setEnabled(false);
+	}
+
+}
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/MainWindowAllEnable.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/MainWindowAllEnable.java
new file mode 100644
index 00000000..91d5237a
--- /dev/null
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/MainWindowAllEnable.java
@@ -0,0 +1,46 @@
+package at.asit.pdfover.gui.components.main_behavior;
+/*
+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://joinup.ec.europa.eu/software/page/eupl
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ */
+
+// Imports
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.asit.pdfover.gui.components.MainWindow;
+
+/**
+ * 
+ */
+public class MainWindowAllEnable implements MainWindowBehavior {
+	/**
+	 * SLF4J Logger instance
+	 **/
+	private static final Logger log = LoggerFactory
+			.getLogger(MainWindowAllEnable.class);
+
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.gui.components.MainWindowBehavior#SetState(at.asit.pdfover.gui.components.MainWindow)
+	 */
+	@Override
+	public void SetState(MainWindow window) {
+		log.debug("ENABLING ALL");
+		window.getBtn_config().setEnabled(true);
+		window.getBtn_open().setEnabled(true);
+		window.getBtn_position().setEnabled(true);
+		window.getBtn_sign().setEnabled(true);
+	}
+
+}
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/MainWindowBehavior.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/MainWindowBehavior.java
new file mode 100644
index 00000000..b36f6b51
--- /dev/null
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/MainWindowBehavior.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://joinup.ec.europa.eu/software/page/eupl
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ */
+package at.asit.pdfover.gui.components.main_behavior;
+
+import at.asit.pdfover.gui.components.MainWindow;
+
+/**
+ * 
+ */
+public interface MainWindowBehavior {
+	/**
+	 * Changes the state of the main window
+	 * @param window
+	 */
+	public void SetState(MainWindow window);
+}
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/OnlyConfigEnabled.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/OnlyConfigEnabled.java
new file mode 100644
index 00000000..2a7e863f
--- /dev/null
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/components/main_behavior/OnlyConfigEnabled.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://joinup.ec.europa.eu/software/page/eupl
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ */
+package at.asit.pdfover.gui.components.main_behavior;
+
+// Imports
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.asit.pdfover.gui.components.MainWindow;
+
+/**
+ * 
+ */
+public class OnlyConfigEnabled implements MainWindowBehavior  {
+	/**
+	 * SLF4J Logger instance
+	 **/
+	private static final Logger log = LoggerFactory
+			.getLogger(OnlyConfigEnabled.class);
+
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.gui.components.MainWindowBehavior#SetState(at.asit.pdfover.gui.components.MainWindow)
+	 */
+	@Override
+	public void SetState(MainWindow window) {
+		log.debug("ENABLING ONLY config");
+		window.getBtn_config().setEnabled(true);
+		window.getBtn_open().setEnabled(false);
+		window.getBtn_position().setEnabled(false);
+		window.getBtn_sign().setEnabled(false);
+	}
+}