package org.litesoft.sampleapplication.sampleApplication.client;

import com.google.gwt.core.client.*;
import com.google.gwt.event.dom.client.*;
import com.google.gwt.user.client.ui.*;
import com.temp.foundation.widgets.*;
import com.temp.foundation.widgets.support.*;
import com.temp.shared.validators.*;

public class SampleApplication implements EntryPoint {
    public void onModuleLoad() {

        Label fieldLabel = new Label("Name:");
        Label errorLabel = new Label("Error");
        HTML stateLabel = new HTML(" ");
        ActiveTextBox field = new ActiveTextBox();

        final InputWidgetValidator<String> validator = new InputWidgetValidator<String>(new TextBoxBaseValueAdapter(field));
        final InputWidgetChangeFilter<String> input = new InputWidgetChangeFilter<String>(validator);

        input.addChangeHandler(new ChangeHandler() {
            @Override
            public void onChange(ChangeEvent event) {
                String value = input.getValue();
                System.out.println("Change: " + input.isChanged() + " '" + value + "'");
                if ("OK".equals(value)) {
                    input.setValue(value);
                }
            }
        });

        validator.addChangeHandler(new ChangeHandler() {
            @Override
            public void onChange(ChangeEvent event) {
                String value = input.getValue();
                System.out.println("Valid: '" + value + "' | "+ validator.getErrorData() );
            }
        });



        validator.addValidators(RequiredValueValidator.INSTANCE, //
                AlphaNumericUnderScore7bitAsciiValueValidator.INSTANCE);

        Button buttonSetValue = new Button("Set Value", new ClickHandler() {
            public void onClick(ClickEvent event) {
                input.setValue(input.getValue());
                System.out.println("Set Value!");
            }
        });
        Button buttonSetValueAsUser = new Button("User Set Value", new ClickHandler() {
            public void onClick(ClickEvent event) {
                input.setValueAsUser(input.getValue() + "!");
                System.out.println("User Set Value!");
            }
        });

        VerticalPanel zFieldErrorPanel = new VerticalPanel();
        zFieldErrorPanel.add(field);
        zFieldErrorPanel.add(errorLabel);

        VerticalPanel zVPanel = new VerticalPanel();
        zVPanel.add(new HTML("&nbsp;"));
        zVPanel.add(horizontalWithSpacers(fieldLabel, zFieldErrorPanel, stateLabel));
        zVPanel.add(new HTML("&nbsp;"));
        zVPanel.add(horizontalWithSpacers(buttonSetValue, buttonSetValueAsUser));

        RootPanel zRootPanel = RootPanel.get("centeredWidget");
        zRootPanel.add(zVPanel);
    }

    private HorizontalPanel horizontalWithSpacers(Widget... widgets) {
        HorizontalPanel zPanel = new HorizontalPanel();
        zPanel.add(widgets[0]);
        for (int i = 1; i < widgets.length; i++) {
            zPanel.add(new HTML("&nbsp;&nbsp;"));
            zPanel.add(widgets[i]);
        }
        return zPanel;
    }
}