Bug 42655 SourceAttachmentBlock does not use dialog font for all widgets [dialogs] [build path]
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/SourceAttachmentBlock.java
/*
	 * Opens a dialog to choose a jar from the file system.
	 */
	private IPath chooseExtJarFile() {
		IPath currPath= new Path(fFileNameField.getText());
		if (currPath.isEmpty()) {
			currPath= fEntry.getPath();
		}		
			
		if (ArchiveFileFilter.isArchivePath(currPath)) {
			currPath= currPath.removeLastSegments(1);
		}
	
		FileDialog dialog= new FileDialog(getShell());
		dialog.setText(NewWizardMessages.getString("SourceAttachmentBlock.extjardialog.text")); 
		dialog.setFilterExtensions(new String[] {"*.jar;*.zip"}); 
		dialog.setFilterPath(currPath.toOSString());
		String res= dialog.open();
		if (res != null) {
			return new Path(res).makeAbsolute();
		}
		return null;
	}
	
	private IPath chooseExtFolder() {
		IPath currPath= new Path(fFileNameField.getText());
		if (currPath.isEmpty()) {
			currPath= fEntry.getPath();
		}