tabular-data-table-widget/src/main/java/org/gcube/portlets/user/td/tablewidget/client/rows/DeleteRows.java

package org.gcube.portlets.user.td.tablewidget.client.rows;

import java.util.ArrayList;

import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
import org.gcube.portlets.user.td.gwtservice.shared.exception.TDGWTSessionExpiredException;
import org.gcube.portlets.user.td.gwtservice.shared.tr.rows.DeleteRowsSession;
import org.gcube.portlets.user.td.tablewidget.client.progress.DeleteRowsProgressDialog;
import org.gcube.portlets.user.td.tablewidget.client.util.UtilsGXT3;
import org.gcube.portlets.user.td.widgetcommonevent.client.event.SessionExpiredEvent;
import org.gcube.portlets.user.td.widgetcommonevent.client.type.SessionExpiredType;
import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;

import com.allen_sauer.gwt.log.client.Log;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.web.bindery.event.shared.EventBus;

/**
 * Delete rows in table
 * 
 * @author "Giancarlo Panichi"
 * 
 */
public class DeleteRows {
	protected TRId trId;
	protected EventBus eventBus;
	protected ArrayList<String> rows;
	protected DeleteRowsSession deleteRowsSession;
	protected DeleteRowsProgressDialog deleteRowsProgressDialog;

	public DeleteRows(TRId trId, ArrayList<String> rows, EventBus eventBus) {
		this.trId = trId;
		this.rows = rows;
		this.eventBus = eventBus;
	}

	public void delete() {
		deleteRowsSession = new DeleteRowsSession(trId, rows);
		onDelete();
	}

	protected void onDelete() {
		TDGWTServiceAsync.INSTANCE.startDeleteRows(deleteRowsSession,
				new AsyncCallback<Void>() {

					public void onFailure(Throwable caught) {
						if (caught instanceof TDGWTSessionExpiredException) {
							eventBus.fireEvent(new SessionExpiredEvent(
									SessionExpiredType.EXPIREDONSERVER));
						} else {
							Log.debug("Delete Rows Error: "
									+ caught.getLocalizedMessage());
							UtilsGXT3
									.alert("Error Deleting Rows",
											"Error in invocation Delete Rows operation!");
						}
					}

					public void onSuccess(Void result) {
						deleteRowsProgressDialog = new DeleteRowsProgressDialog(
								deleteRowsSession, eventBus);
					}

				});

	}

}