/**
 * <copyright>
 * </copyright>
 *
 * $Id: RefactoringWizardPage.javajet,v 1.2 2012/10/16 21:03:02 tarendt Exp $
 */
 package org.eclipse.emf.refactor.refactorings.uml24.pullupattribute;

import java.util.List;

import org.eclipse.emf.refactor.refactoring.runtime.ltk.ui.AbstractRefactoringWizard;
import org.eclipse.emf.refactor.refactoring.runtime.ui.IInputPageButtonCreator;
import org.eclipse.emf.refactor.refactoring.runtime.ui.InputPageButtonLoader;
import org.eclipse.ltk.ui.refactoring.UserInputWizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.uml2.uml.Class;
import org.eclipse.uml2.uml.Property;

/**
 * Class for setting model refactoring specific parameters
 * by the user.
 * @generated
 */
public class RefactoringWizardPage extends 
				UserInputWizardPage implements Listener {
	
	/**
	 * Controller of the EMF model refactoring.
	 * @generated
	 */			
	private final RefactoringController controller;
	
	/**
	 * Label for each parameter.
	 * @generated
	 */	
	private Label classNameLabel;
	
	private List<Class> superclasses;
	
	private Combo classNameWidget;

	/**
	 * Default constructor using a name and the controller of the 
	 * EMF model refactoring.
	 * @param name Name of the WizardPage.
	 * @param controller Controller of the EMF model refactoring.
	 * @generated
	 */
	public RefactoringWizardPage
		(String name, RefactoringController controller) {
		super(name);
		this.controller = controller;		
		this.setUpMembers();
	}

	private void setUpMembers() {
		RefactoringDataManagement dataManagement = (RefactoringDataManagement) this.controller.getDataManagementObject();
		Property attribute = (Property) dataManagement.getInPortByName(dataManagement.SELECTEDEOBJECT).getValue();
		Class owningClass = attribute.getClass_();
		superclasses = owningClass.getSuperClasses();
	}

	/**
	 * @see org.eclipse.swt.widgets.Listener#
	 * handleEvent(org.eclipse.swt.widgets.Event)
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public void handleEvent(Event event) {		
		getWizard().getContainer().updateButtons();
				
		if (classNameWidget != null) {			
			int index = classNameWidget.getSelectionIndex();
			String className = superclasses.get(index).getName();
			if (!className.isEmpty()){
				((RefactoringDataManagement) 
						this.controller.getDataManagementObject()).
						getInPortByName("className").
						setValue(className);
			} else {
				((RefactoringDataManagement) 
						this.controller.getDataManagementObject()).
						getInPortByName("className").
						setValue("unspecified");
			}
		}
	}
	
	/**
	 * @see org.eclipse.jface.dialogs.IDialogPage#
	 * createControl(org.eclipse.swt.widgets.Composite)
	 * @generated
	 */
	@Override
	public void createControl(Composite parent) {
		Composite composite = new Composite(parent, SWT.NONE);
		GridLayout gl = new GridLayout();
		gl.numColumns = 2;
		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
		composite.setLayout(gl);
			
		
		classNameLabel = new Label(composite, SWT.NONE);
		classNameLabel.setText("Name of the superclass to be pulled up to: ");
		classNameLabel.setEnabled(true);
		
		classNameWidget = new Combo(composite, SWT.DROP_DOWN | SWT.BORDER);	    
		classNameWidget.setToolTipText
				("value of variable 'className'");
		classNameWidget.setEnabled(true);
		classNameWidget.setLayoutData(gd);
		classNameWidget.addListener(SWT.Modify, this);	    
	    for (int i = 0; i < superclasses.size(); i++) {
	    	classNameWidget.add(superclasses.get(i).getQualifiedName());
	    }		
		
		List<IInputPageButtonCreator> buttonCreators = InputPageButtonLoader.iNSTANCE.getInputPageButtonCreatorClasses();
		for(IInputPageButtonCreator creator : buttonCreators){
			creator.createButton(composite, controller, (AbstractRefactoringWizard)this.getWizard());
		}		
		
		setControl(composite);
	}
	
}