Small bugs fixed.

Added method performCancel in GUI.java to confirm the exit.

mpa/org.universaal.tools.packaging.tool/src/org/universaal/tools/packaging/tool/gui/GUI.java

@@ -187,6 +187,11 @@ public class GUI extends WizardMod {
 	    setPages(decoratedPhases);
 	}
 
+	@Override
+	public boolean performCancel(){
+		return MessageDialog.openConfirm(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Confirm Exit", "Are you sure you want to Exit?");
+	}
+	
 	@Override
 	public boolean performFinish() {
 

mpa/org.universaal.tools.packaging.tool/src/org/universaal/tools/packaging/tool/gui/Page1.java

@@ -42,6 +42,7 @@ import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Label;
+import org.eclipse.ui.PlatformUI;
 import org.universaal.tools.packaging.tool.impl.PageImpl;
 import org.universaal.tools.packaging.tool.util.Dialog;
 import org.universaal.tools.packaging.tool.util.XSDParser;
@@ -245,9 +246,9 @@ public class Page1 extends PageImpl {
 						if (width != 512 || height != 512){
 							app.getApplication().getMenuEntry().setIconScale(true);
 							if (aspect_ratio == 1.0)
-								MessageDialog.openError(null, "Invalid size", "The selected image will be scaled due to invalid pixel size.\n\nThe optimal size is 512x512 pixels (A/R 1:1)");
+								MessageDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Invalid size", "The selected image will be scaled due to invalid pixel size.\n\nThe optimal size is 512x512 pixels (A/R 1:1)");
 							else
-								MessageDialog.openError(null, "Invalid size and aspect ratio", "The selected image will be scaled and stretched due to invalid pixel size and aspect ratio.\n\nThe optimal size is 512x512 pixels (A/R 1:1)");
+								MessageDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Invalid size and aspect ratio", "The selected image will be scaled and stretched due to invalid pixel size and aspect ratio.\n\nThe optimal size is 512x512 pixels (A/R 1:1)");
 						}
 	
 						

mpa/org.universaal.tools.packaging.tool/src/org/universaal/tools/packaging/tool/gui/StartPage.java

@@ -154,14 +154,15 @@ public class StartPage extends PageImpl {
 			public void widgetSelected(SelectionEvent e) {
 				Dialog d = new Dialog();
 				destination = d.open(parent.getShell(), new String[]{"*.uapp"}, false, "UAPP file path...");			
+				if(destination != null){
+					if(!destination.getAbsolutePath().endsWith(".uapp"))
+						destination = new File(destination+".uapp");
 
-				if(!destination.getAbsolutePath().endsWith(".uapp"))
-					destination = new File(destination+".uapp");
+					name.setText(destination.getAbsolutePath());
 
-				name.setText(destination.getAbsolutePath());
-
-				if(destination != null && destination.isAbsolute() && parts.size() > 0)
-					setPageComplete(true);
+					if(destination.isAbsolute() && parts.size() > 0)
+						setPageComplete(true);
+				}
 			}
 
 			public void widgetDefaultSelected(SelectionEvent e) {