package org.gcube.portlets.user.geoportaldataviewer.client.ui.images;

import org.gcube.application.geoportalcommon.shared.products.content.WorkspaceContentDV;
import org.gcube.application.geoportalcommon.shared.products.model.UploadedImageDV;
import org.gcube.portlets.user.geoportaldataviewer.client.ui.ModalWindow;
import org.gcube.portlets.user.geoportaldataviewer.client.util.NewBrowserWindow;
import org.gcube.portlets.user.geoportaldataviewer.client.util.StringUtil;

import com.github.gwtbootstrap.client.ui.Button;
import com.github.gwtbootstrap.client.ui.Heading;
import com.github.gwtbootstrap.client.ui.Image;
import com.github.gwtbootstrap.client.ui.Paragraph;
import com.github.gwtbootstrap.client.ui.constants.ButtonType;
import com.github.gwtbootstrap.client.ui.constants.IconType;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Style.TextAlign;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Widget;

public class ImageView extends Composite {

	private static ImageViewUiBinder uiBinder = GWT.create(ImageViewUiBinder.class);

	interface ImageViewUiBinder extends UiBinder<Widget, ImageView> {
	}

	public ImageView() {
		initWidget(uiBinder.createAndBindUi(this));
	}

	@UiField
	Image imageURL;
	
	@UiField
	Heading heading;
	
	@UiField
	Paragraph paragraph1;
	
	@UiField
	Paragraph paragraph2;
	
	@UiField
	Button openImage;
	
	@UiField
	Button viewImage;
	
	private WorkspaceContentDV latest;
	

	public ImageView(UploadedImageDV imageDV, final boolean showView, final boolean showOpen) {
		initWidget(uiBinder.createAndBindUi(this));
	
		if(imageDV.getTitolo()!=null && !imageDV.getTitolo().isEmpty()) {
			heading.setText(imageDV.getTitolo());
		}
		paragraph1.setText(imageDV.getDidascalia());
		paragraph1.getElement().getStyle().setTextAlign(TextAlign.LEFT);
		
		if(!showView && imageDV.getLicenseID()!=null) {
			paragraph2.setVisible(true);
			paragraph2.setText("ID Licenza: "+imageDV.getLicenseID());
		}
		
		if(imageDV.getListWsContent()!=null && imageDV.getListWsContent().size()>0) {
			latest = imageDV.getListWsContent().get(imageDV.getListWsContent().size()-1);
			openImage.setVisible(true);
			viewImage.setVisible(true);
			imageURL.setVisible(true);
			imageURL.setUrl(latest.getLink());
		}
		
		openImage.setType(ButtonType.LINK);
		openImage.setIcon(IconType.EXTERNAL_LINK);
		openImage.setTitle("Open Image in New Browser Window");
		openImage.setVisible(showOpen);
		
		openImage.addClickHandler(new ClickHandler() {
			
			@Override
			public void onClick(ClickEvent event) {
				
				if(latest!=null) {
					NewBrowserWindow.open(latest.getLink()+"?content-disposition=inline", "_blank", null);
				}
			}
		});
		
		viewImage.setVisible(false);
		viewImage.setType(ButtonType.LINK);
		viewImage.setIcon(IconType.EXPAND);
		viewImage.setTitle("View Image in New Dialog");
		viewImage.setVisible(showView);
		
		
		viewImage.addClickHandler(new ClickHandler() {
			
			@Override
			public void onClick(ClickEvent event) {
				
				if(latest!=null) {
					
					ModalWindow mw = new ModalWindow(StringUtil.ellipsize(imageDV.getDidascalia(), 50), 900, 600);
					mw.add(new ImageView(imageDV, false, true));
					mw.setCaller(ImageView.this);
					//mw.setWidth(900);
					mw.show();
				}
				
			}
		});
	}
	
	
	/**
	 * Sets the heading.
	 *
	 * @param title the new heading
	 */
	protected void setHeading(String title) {
		heading.setText(title);
	}
	
	protected void setParagraph(String text) {
		paragraph1.setText(text);
	}

}