Bug 10654 Allow all jars in a folder to be added to build path
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/VariableSelectionBlock.java
layout.marginHeight= 0;
		layout.marginWidth= 0;
		layout.numColumns= nColumns;
		inner.setLayout(layout);
		
		int fieldWidthHint= converter.convertWidthInCharsToPixels(50);
		
		fVariableField.doFillIntoGrid(inner, nColumns);
		LayoutUtil.setWidthHint(fVariableField.getTextControl(null), fieldWidthHint);
		LayoutUtil.setHorizontalGrabbing(fVariableField.getTextControl(null));
		
		fExtensionField.doFillIntoGrid(inner, nColumns);
		LayoutUtil.setWidthHint(fExtensionField.getTextControl(null), fieldWidthHint);
		
		Label label= new Label(inner, SWT.LEFT);
		label.setLayoutData(new GridData());
		label.setText(NewWizardMessages.getString("VariableSelectionBlock.fullpath.label")); 
		
		fFullPath= new CLabel(inner, SWT.NONE);
		fFullPath.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
		DialogField.createEmptySpace(inner, nColumns - 2);
		updateFullTextField();
		
		setFocus(parent.getDisplay());
		
		return inner;
	}
	
	
	private class VariableSelectionAdapter implements IDialogFieldListener, IStringButtonAdapter {