package org.kuali.student.common.ui.client.widgets.table.scroll;

 import com.google.gwt.event.dom.client.BlurEvent;

 import com.google.gwt.event.dom.client.BlurHandler;

 import com.google.gwt.event.dom.client.ChangeEvent;

 import com.google.gwt.event.dom.client.ChangeHandler;

 import com.google.gwt.event.dom.client.ClickEvent;

 import com.google.gwt.event.dom.client.ClickHandler;

 import com.google.gwt.event.dom.client.HasChangeHandlers;

 import com.google.gwt.event.dom.client.HasClickHandlers;

 import com.google.gwt.event.shared.HandlerRegistration;

 import com.google.gwt.user.client.ui.HasText;

 import com.google.gwt.user.client.ui.Label;

 import com.google.gwt.user.client.ui.SimplePanel;

 import com.google.gwt.user.client.ui.TextBox;

 public class EditableLabel extends SimplePanel implements HasClickHandlers,  HasText, HasChangeHandlers {

         Label label = new Label();

         TextBox textBox = new TextBox();

         public EditableLabel() {

                 super.setWidget(label);

                 textBox.addChangeHandler(new ChangeHandler() {

                         @Override

                         public void onChange(ChangeEvent event) {

                                 label.setText(textBox.getText());

                         }

                 });

                 textBox.addClickHandler(new ClickHandler(){

                         @Override

                         public void onClick(ClickEvent event) {

                                 event.stopPropagation();

                         }

                 });

                 textBox.addBlurHandler(new BlurHandler() {

                         @Override

                         public void onBlur(BlurEvent event) {

                                 label.setText(textBox.getText());

                                 EditableLabel.this.setWidget(label);

                         }

                 });

                 label.addClickHandler(new ClickHandler() {

                         @Override

                         public void onClick(ClickEvent event) {

                                 textBox.setText(label.getText());

                                         int width = label.getOffsetWidth();

                                         int height = label.getOffsetHeight()+3;

                                         EditableLabel.this.setWidget(textBox);

                                         textBox.setWidth(""+width+"px");

                                         textBox.setHeight(""+height+"px");

                                         textBox.selectAll();

                                         textBox.setFocus(true);

                         }

                 });

         }

         @Override

         public String getText() {

                 return label.getText();

         }

         @Override

         public void setText(String text) {

                 label.setText(text);

         }

         @Override

         public HandlerRegistration addChangeHandler(ChangeHandler handler) {

                 return textBox.addChangeHandler(handler);

         }

         @Override

         public HandlerRegistration addClickHandler(ClickHandler handler) {

                 return label.addClickHandler(handler);

         }

 }