D-Net

package eu.dnetlib.client.rightColumn;

import com.github.gwtbootstrap.client.ui.Heading;

import com.github.gwtbootstrap.client.ui.constants.AlertType;

import com.google.gwt.core.client.JsonUtils;

import com.google.gwt.event.dom.client.LoadEvent;

import com.google.gwt.event.dom.client.LoadHandler;

import com.google.gwt.http.client.Request;

import com.google.gwt.http.client.RequestBuilder;

import com.google.gwt.http.client.RequestCallback;

import com.google.gwt.http.client.RequestException;

import com.google.gwt.http.client.Response;

import com.google.gwt.user.client.Random;

import com.google.gwt.user.client.Window;

import com.google.gwt.user.client.ui.FlexTable;

import com.google.gwt.user.client.ui.FlowPanel;

import com.google.gwt.user.client.ui.HTML;

import com.google.gwt.user.client.ui.RootPanel;

import com.google.gwt.user.client.ui.Widget;

import eu.dnetlib.client.Generate;

import eu.dnetlib.client.widgets.AlertWidget;

import eu.dnetlib.shared.TableInfoResponse;

public class DataBox extends Widget{

	private FlowPanel masterPanel = new FlowPanel();

	private FlexTable tableOfContent = new FlexTable();

	private TableInfoResponse tableInfoResponse;

	private HTML loadingWheel = new HTML("<div class=\"loader-big\"></div><div class=\"whiteFilm\"></div>"); 

	private AlertWidget infoAlert = new AlertWidget("Could not retrieve JSON", AlertType.ERROR);

	public DataBox(){

//		RootPanel.get("tableChart").clear();

		final Heading infoHeading = new Heading(3);

		infoHeading.setText("The table of contents will be displayed here..");

		infoHeading.addStyleName("info-preview");

		RootPanel.get("tableChart").add(infoHeading);

		//designFakeDataBox();

		Generate.getInstance().getThemeForTable().addStyleName("my-frame");

		RootPanel.get("tableChart").add(Generate.getInstance().getThemeForTable());

		Generate.getInstance().getThemeForTable().addLoadHandler(new LoadHandler() {

			@Override

			public void onLoad(LoadEvent event) {

				// TODO Auto-generated method stub

				RootPanel.get("tableChart").remove(infoHeading);

			}

		});

	}

	public DataBox(String URL){

		RootPanel.get("tableChart").add(infoAlert);

		RootPanel.get("tableChart").addStyleName("loading");

		RootPanel.get("tableChart").add(loadingWheel);

		bringTableInfoData(URL);

	}

	public void designDataBox(){

		RootPanel.get("tableChart").clear();

		tableOfContent.addStyleName("databox-table");

		tableOfContent.getRowFormatter().addStyleName(0, "databox-header");

		tableOfContent.setText(0, 0, "Values of categories");

		int counter = 0;

		for(int i=0;i<tableInfoResponse.getResponse().length();i++){//adding the tiles at the top of the table

			for(int j=0;j<tableInfoResponse.getResponse().get(i).getTitles().length();j++){

				counter++;

				if(tableInfoResponse.getResponse().get(i).getTitles().get(j).equals("empty")){

					tableOfContent.setText(0,counter,"Series "+ counter);

				}else{

					tableOfContent.setText(0,counter,tableInfoResponse.getResponse().get(i).getTitles().get(j)+"");

				}

			}

		}

		for(int i=0;i<tableInfoResponse.getResponse().length();i++){//adding the main values (1st column)

			for(int j=0;j<tableInfoResponse.getResponse().get(i).getNaming().length();j++){

				tableOfContent.getRowFormatter().addStyleName(j+1, "databox-data");

				tableOfContent.setText(j+1, 0, tableInfoResponse.getResponse().get(i).getNaming().get(j).toString());

			}

		}

			counter=0;

		for(int i=0;i<tableInfoResponse.getResponse().length();i++){//adding the rest values(all the other columns)

			for(int j=0;j<tableInfoResponse.getResponse().get(i).getValues().length();j++){

				counter++;

				for(int y=0;y<tableInfoResponse.getResponse().get(i).getValues().get(j).length();y++){

					tableOfContent.setText(y+1, counter , Integer.parseInt(tableInfoResponse.getResponse().get(i).getValues().get(j).get(y))+"");

				}

			}

		}

		masterPanel.add(tableOfContent);

		masterPanel.addStyleName("databox");

		RootPanel.get("tableChart").add(masterPanel);

	}

	public void bringTableInfoData(String url){

		  RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, url);

			try {

				Request request = builder.sendRequest(null, new RequestCallback() {

					@Override

					public void onResponseReceived(Request request, Response response) {

						if(response.getStatusCode()==200){

							tableInfoResponse = JsonUtils.safeEval(response.getText().toString());

							RootPanel.get("tableChart").removeStyleName("loading");

							RootPanel.get("tableChart").remove(loadingWheel);

							designDataBox();

						}else{

							RootPanel.get("tableChart").clear();

							RootPanel.get("tableChart").add(infoAlert);

							RootPanel.get("tableChart").removeStyleName("loading");

							RootPanel.get("tableChart").remove(loadingWheel);

							infoAlert.trigger();

						}

					}

					@Override

					public void onError(Request request, Throwable exception) {

						RootPanel.get("tableChart").clear();

						RootPanel.get("tableChart").add(infoAlert);

						RootPanel.get("tableChart").removeStyleName("loading");

						RootPanel.get("tableChart").remove(loadingWheel);

						infoAlert.trigger();

					}

				});

			} catch (RequestException e) {

				RootPanel.get("tableChart").clear();

				RootPanel.get("tableChart").add(infoAlert);

				RootPanel.get("tableChart").removeStyleName("loading");

				RootPanel.get("tableChart").remove(loadingWheel);

				infoAlert.trigger();

			}

	  }

	  public void DisplayError(String msg){

			Window.alert(msg);

	  }

}