D-Net

package eu.dnetlib.client.leftColumn;

import java.util.ArrayList;

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

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

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

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

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

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

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

import com.github.gwtbootstrap.client.ui.event.HideEvent;

import com.github.gwtbootstrap.client.ui.event.HideHandler;

import com.github.gwtbootstrap.client.ui.event.ShowEvent;

import com.github.gwtbootstrap.client.ui.event.ShowHandler;

import com.google.gwt.dom.client.Element;

import com.google.gwt.dom.client.Style.Overflow;

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

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

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

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

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

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

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

import eu.dnetlib.client.leftColumn.FilterWidget.AppliedListener;

import eu.dnetlib.client.leftColumn.SingleFilterWidget.ApplyFinalListener;

import eu.dnetlib.client.leftColumn.SingleFilterWidget.DeletedListener;

import eu.dnetlib.shared.SchemaAnswer;

import eu.dnetlib.shared.ValuesOfFields;

public class FiltersPanel implements IsWidget {

    private FlowPanel filtersPanel = new FlowPanel();

    private FlowPanel subFiltersPanel = new FlowPanel();

    private Button addNewFilter = new Button();

    private int numberOfFilters = 0;

    private int totalFilters = 0;

    private SchemaAnswer schemaFromServer;

    private int numberOfCurrentColumn;

    private ArrayList<FiltersPanel> filtersPanels = new ArrayList<FiltersPanel>();

    private Alert infoAlert = new Alert();

    public Alert getInfoAlert(){

    	return this.infoAlert;

    }

    public Button getAddNewFilter() {

		return this.addNewFilter;

	}

	private ArrayList <Image> listOfImages = new ArrayList<Image>();

    public FiltersPanel(SchemaAnswer schemaFromServer,int numberOfCurrentColumn,boolean loaded,ArrayList<FiltersPanel> filtersPanels) {

    	this.filtersPanels = filtersPanels;

    	this.numberOfCurrentColumn = numberOfCurrentColumn;

    	this.schemaFromServer = schemaFromServer;

    	init();

    	if(loaded){

    		loaded();

    	}

    }

    public FlowPanel getFiltersPanel(){

    	return this.filtersPanel;

    }

    public void init(){

    	infoAlert.setVisible(false);

		addNewFilter.setVisible(true);

    	infoAlert.addStyleName("infoalert-add");

    	infoAlert.setText("Please add value for x-axis to proceed");

    	infoAlert.setType(AlertType.WARNING);

    	infoAlert.setClose(false);

    	addNewFilter.setText("Add new filter");

    	addNewFilter.addStyleName("addNewFilterButton");

    	addNewFilter.setType(ButtonType.PRIMARY);

    	addNewFilter.addClickHandler(new ClickHandler() {

			@Override

			public void onClick(ClickEvent arg0) {

				final SingleFilterWidget singleFilterWidget = new SingleFilterWidget(schemaFromServer, numberOfCurrentColumn,numberOfFilters,false,filtersPanels);

				ApplyFinalListener applyFinalListener = new ApplyFinalListener(){

					@Override

					public void onEvent() {

							if(!singleFilterWidget.isForEdit){

								numberOfFilters++;

					        	totalFilters++;

					        	filtersPanel.add(singleFilterWidget);

							}

							if(singleFilterWidget.getFilterWidget().isApplyToAll()){

								for(int i=0;i<filtersPanels.size();i++){

									if(i!=numberOfCurrentColumn){

										filtersPanels.get(i).filtersPanel.clear();

										filtersPanels.get(i).init();

										filtersPanels.get(i).loaded();

									}

								}

								singleFilterWidget.getFilterWidget().setApplyToAll(false);

							}

					}

				};

				singleFilterWidget.setApplyFinalListener(applyFinalListener);

				DeletedListener deletedListener = new DeletedListener() {

					@Override

					public void onEvent() {

						numberOfFilters--;

						totalFilters--;

					}

				};

				singleFilterWidget.setDeletedListener(deletedListener);

			}

		});

    	filtersPanel.add(subFiltersPanel);

    	filtersPanel.add(infoAlert);

    	filtersPanel.add(addNewFilter);

    }

     public void loaded() {

    	 numberOfFilters = ValuesOfFields.getInstance().getColumnsDataList().get(numberOfCurrentColumn).getFilters().size();

    	 for(int i=0;i<numberOfFilters;i++){

    		 final SingleFilterWidget singleFilterWidget = new SingleFilterWidget(schemaFromServer, numberOfCurrentColumn,i,true,filtersPanels);

    		 ApplyFinalListener applyFinalListener = new ApplyFinalListener(){

					@Override

					public void onEvent() {

							filtersPanel.add(singleFilterWidget);

							if(!singleFilterWidget.isForEdit){

								numberOfFilters++;

								totalFilters++;

							}

					}

				};

				singleFilterWidget.setApplyFinalListener(applyFinalListener);

				DeletedListener deletedListener = new DeletedListener() {

					@Override

					public void onEvent() {

						numberOfFilters--;

					}

				};

				singleFilterWidget.setDeletedListener(deletedListener);

				filtersPanel.add(singleFilterWidget);

    	 }

	}

    @Override

    public Widget asWidget() {

        return filtersPanel;

    }

}