ckan-content-moderator-widget/src/main/java/org/gcube/portlets/widgets/ckancontentmoderator/client/CkanContentModeratorWidget.java

package org.gcube.portlets.widgets.ckancontentmoderator.client;

import org.gcube.datacatalogue.utillibrary.shared.ItemStatus;
import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ClickItemEvent;
import org.gcube.portlets.widgets.ckancontentmoderator.client.events.ClickItemEventHandler;
import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.ContentModeratorPaginatedView;
import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.ContentModeratorSystemBaseView;
import org.gcube.portlets.widgets.ckancontentmoderator.client.ui.table.ItemsTable.DISPLAY_FIELD;
import org.gcube.portlets.widgets.ckancontentmoderator.shared.CatalogueDataset;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Composite;

/**
 * The Class CkanContentModeratorWidget.
 *
 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
 * 
 *         Jun 15, 2021
 */
public class CkanContentModeratorWidget {

	public final static CkanContentModeratorServiceAsync contentModeratorService = GWT
			.create(CkanContentModeratorService.class);

//	private ItemsTable<CatalogueDataset> itemsTable;
	private ContentModeratorSystemBaseView cmsPanel = new ContentModeratorSystemBaseView();
	private Boolean isContentModeratorEnabled = null;
	private ContentModeratorPaginatedView paginatedView;
	public final static HandlerManager eventBus = new HandlerManager(null);

	/**
	 * Instantiates a new ckan content moderator widget.
	 *
	 * @param displayFields the display fields
	 * @param sortByField   the sort by field
	 */
	public CkanContentModeratorWidget(ItemStatus status, DISPLAY_FIELD[] displayFields, DISPLAY_FIELD sortByField) {
//		itemsTable = new ItemsTable<CatalogueDataset>(null, displayFields, sortByField);
//		itemsTable.initTable(null, null, new ListDataProvider<CatalogueDataset>());
//		cmsPanel.add(itemsTable.getCellTable());
		
		paginatedView = new ContentModeratorPaginatedView(eventBus, status, displayFields, sortByField);
		//cmsPanel.addToTop(new LoadingPanel(new HTML("Loading...")));
		cmsPanel.addToCenter(paginatedView.getCellPanel());
		cmsPanel.addToBottom(paginatedView.getPagerPanel());
		bindEvents();
	}
	
	private void bindEvents() {
		
		
		eventBus.addHandler(ClickItemEvent.TYPE, new ClickItemEventHandler() {
			
			@Override
			public <T> void onClick(ClickItemEvent<T> clickItemEvent) {
				
				if(clickItemEvent.getItem() instanceof CatalogueDataset) {
					CatalogueDataset clickedDataset = (CatalogueDataset) clickItemEvent.getItem();
					//Window.open(clickedDataset.getUrl(), null, "_blank");
				}
				
			}
		});
	}

//	/**
//	 * Load items for status.
//	 *
//	 * @param status the status
//	 * @throws Exception the exception
//	 */
//	public void loadItemsForStatus(ItemStatus status) throws Exception {
//
//		if (isContentModeratorEnabled == null)
//			throw new Exception("Please, first check if the content moderator is enabled in this context");
//
//		if (!isContentModeratorEnabled)
//			throw new Exception("Content Moderator is not enabled in this context");
//
//		cmsPanel.showLoading(true);
//		contentModeratorService.getListItemsForStatus(status, ContentModeratorWidgetConstants.ITEMS_PER_PAGE,
//				ContentModeratorWidgetConstants.ITEM_START_INDEX, new AsyncCallback<List<CatalogueDataset>>() {
//
//					@Override
//					public void onSuccess(List<CatalogueDataset> result) {
//						cmsPanel.showLoading(false);
//						itemsTable.updateItems(result, true);
//
//					}
//
//					@Override
//					public void onFailure(Throwable caught) {
//						cmsPanel.showLoading(false);
//						// TODO Auto-generated method stub
//
//					}
//				});
//
//	}

	/**
	 * Checks if is content moderator enabled.
	 *
	 * @param onCompletation the on completation
	 */
	public void isContentModeratorEnabled(final Command onCompletation) {

		contentModeratorService.isContentModeratorEnabled(new AsyncCallback<Boolean>() {

			@Override
			public void onFailure(Throwable caught) {
				onCompletation.execute();

			}

			@Override
			public void onSuccess(Boolean result) {
				isContentModeratorEnabled = result;
				onCompletation.execute();

			}
		});

	}

	public Composite getPanel(){
		return cmsPanel.getPanel();
	}
}