package com.temp.foundation.client.widget;

import com.google.gwt.event.dom.client.*;
import com.google.gwt.user.client.ui.*;

public class NamedImageButton extends CompositeButton<NamedImageButton> {
    public static final String UP = "Up";
    public static final String HOVER = "Hover";
    public static final String PRESSED = "Pressed";

    public NamedImageButton() {
    }

    public NamedImageButton( String name ) {
        this();
        setName( name );
    }

    public NamedImageButton( String name, ClickHandler handler ) {
        this( name );
        add( handler );
    }

    @Override
    public void setName( String name ) {
        super.setName( name );
        setImage( UP, proxyTo.getUpFace() );
        setImage( HOVER, proxyTo.getUpHoveringFace() );
        setImage( PRESSED, proxyTo.getDownFace(), proxyTo.getDownHoveringFace(), proxyTo.getUpDisabledFace(), proxyTo.getDownDisabledFace() );
    }

    public NamedImageButton add( ClickHandler handler ) {
        if ( handler != null ) {
            proxyTo.addClickHandler( handler );
        }
        return this;
    }

    public NamedImageButton style( String className ) {
        addStyleName( className );
        return this;
    }

    private void setImage( String imageFaceName, PushButton.Face... faces ) {
        String url = getImageUrl( getName(), imageFaceName );
        for ( PushButton.Face face : faces ) {
            face.setImage( new Image( url ) );
        }
    }

    private static String getImageUrl( String name, String imageFaceName ) {
        return "images/buttons/" + name + "/" + imageFaceName + ".png";
    }

    public static String createSafeHtmlElement( String name, String safeHtmlAltToolTip ) {
        return createSafeHtmlElementWithIdAndStyle( null, name, UP, safeHtmlAltToolTip, null );
    }

    public static String createSafeHtmlElementWithId( String id, String name, String safeHtmlAltToolTip ) {
        return createSafeHtmlElementWithIdAndStyle( id, name, UP, safeHtmlAltToolTip, null );
    }

    public static String createSafeHtmlElement( String name, String safeHtmlAltToolTip, String styleName ) {
        return createSafeHtmlElementWithIdAndStyle( null, name, UP, safeHtmlAltToolTip, styleName );
    }

    public static String createSafeHtmlElementWithId( String id, String name, String safeHtmlAltToolTip, String styleName ) {
        return createSafeHtmlElementWithIdAndStyle( id, name, UP, safeHtmlAltToolTip, styleName );
    }

    private static String createSafeHtmlElementWithIdAndStyle( String id, String name, String imageFaceName, String safeHtmlAltToolTip, String styleName ) {
        return createSafeHtmlElementWithImageUrl( id, safeHtmlAltToolTip, styleName, getImageUrl( name, imageFaceName ) );
    }
}