geoportal-data-entry-app/src/main/java/org/gcube/portlets/user/geoportaldataentry/client/ui/form/GeonaDataEntryMainForm.java

package org.gcube.portlets.user.geoportaldataentry.client.ui.form;

import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;

import org.gcube.portlets.user.geoportaldataentry.client.events.SaveGeonaDataFormsEvent;
import org.gcube.portlets.user.geoportaldataentry.client.ui.card.GeoNaFormCardModel;
import org.gcube.portlets.user.geoportaldataentry.client.ui.card.MetadataFormCard;
import org.gcube.portlets.user.geoportaldataentry.shared.GeoNaFormDataObject;
import org.gcube.portlets.widgets.mpformbuilder.client.form.generic.CreateMetadataForm;
import org.gcube.portlets.widgets.mpformbuilder.shared.GenericDatasetBean;

import com.github.gwtbootstrap.client.ui.AlertBlock;
import com.github.gwtbootstrap.client.ui.Button;
import com.github.gwtbootstrap.client.ui.Tab;
import com.github.gwtbootstrap.client.ui.TabPanel;
import com.github.gwtbootstrap.client.ui.constants.AlertType;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Widget;

public class GeonaDataEntryMainForm extends Composite {

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

	interface GeonaDataEntryMainFormUiBinder extends UiBinder<Widget, GeonaDataEntryMainForm> {
	}
	
	private List<GeoNaFormCardModel> listCards = new ArrayList<GeoNaFormCardModel>();

	@UiField
	HTMLPanel mainHTMLPanel;
	
	@UiField
	TabPanel mainTabPanel;
	
	@UiField
	AlertBlock alertFormAction;
	
	@UiField
	Button buttonSave;
	
	private LinkedHashMap<String,MetadataFormCard> mapForms = new LinkedHashMap<String,MetadataFormCard>();
	
	private List<Tab> listTabs = new ArrayList<Tab>();

	private HandlerManager appManagerBus;

	public GeonaDataEntryMainForm(HandlerManager appManagerBus) {
		initWidget(uiBinder.createAndBindUi(this));
		this.appManagerBus = appManagerBus;
	}

	public void addForm(String tabHeading, GeoNaFormCardModel geonFormModel){
		listCards.add(geonFormModel);
		createNewCard(tabHeading, geonFormModel);
	}
		
	
	private void createNewCard(String tabHeading, final GeoNaFormCardModel geonFormModel){
		final Tab tab = new Tab();
		tab.setHeading(tabHeading);
		//MetadataFormCard mfc = new MetadataFormCard(tab, createMetadataForm, repeatible);
		MetadataFormCard mfc = new MetadataFormCard(tab,geonFormModel,appManagerBus);
		listTabs.add(tab);
		mainTabPanel.add(tab);
		
		if(listTabs.size()==1) {
			tab.setActive(true);
			mainTabPanel.selectTab(0);
		}
		
		mapForms.put(tabHeading, mfc);
	}
	
	public void reset() {
		mapForms.clear();
		mainTabPanel.clear();
		listTabs.clear();
	}
	
	
	public void selectTab(int index){
		
		GWT.log("Selecting tab index: "+ index +" of "+listTabs.size());
		
		if(listTabs.size()<index) {
			mainTabPanel.selectTab(index);
			
		}
	}
	
	@UiHandler("buttonSave")
	void saveData(ClickEvent e){
		
		boolean canSave = true;
		
		for (String metadataType : mapForms.keySet()) {
			MetadataFormCard card = mapForms.get(metadataType);
			boolean isValid = card.validateForm();
			card.setValidCard(isValid);
			if(isValid==false)
				canSave = false;
		}
		
		List<GeoNaFormDataObject> listGeonaFormObjects = new ArrayList<GeoNaFormDataObject>();
		
		if(canSave) {
			for (String metadataType : mapForms.keySet()) {
				MetadataFormCard card = mapForms.get(metadataType);
				List<GenericDatasetBean> listGDB = new ArrayList<GenericDatasetBean>(card.getListForms().size());
				for (CreateMetadataForm form : card.getListForms()) {
					listGDB.add(form.getFormDataBean());
				
				}
				listGeonaFormObjects.add(new GeoNaFormDataObject(listGDB, card.getGeonaFormModel().getFormCardTitle()));
			}
			appManagerBus.fireEvent(new SaveGeonaDataFormsEvent(listGeonaFormObjects));
		}else {
			showAlertOnSaveAction("Detected errors, please fix it/them", AlertType.ERROR, true);
		}
			
		
		//Window.alert("I can save: "+listGeonaFormObjects);
		
	}
	
	public void showAlertOnSaveAction(String text, AlertType type, boolean hideAfterAWhile){
		
		//Window.alert("Called alertOnCreate");
		alertFormAction.setText(text);
		alertFormAction.setType(type);
		alertFormAction.setVisible(true);
		//goBackButtonSecondStep.setEnabled(true);

		if(hideAfterAWhile){
			// hide after some seconds
			Timer t = new Timer() {

				@Override
				public void run() {

					alertFormAction.setVisible(false);

				}
			};
			t.schedule(10000);
		}
	}
	
	public void enableButtonSave(boolean enabled) {
		buttonSave.setEnabled(enabled);
	}
	
	
	/**
	 * Sets the ative after.
	 *
	 * @param index the index
	 * @param bool the bool
	 */
	public void setAtiveAfter(int index, boolean bool){
		
//		if(listTabs.size()<index) {
//			for (int i = index; i < listTabs.size(); i++) {
//				listTabs.get(i).setEnabled(bool);
//			}
//		}
	}

}