package org.gcube.portlets.user.reportgenerator.client.targets;

import java.util.ArrayList;

import org.gcube.portlets.d4sreporting.common.shared.ComponentType;
import org.gcube.portlets.d4sreporting.common.shared.SerializableComponent;
import org.gcube.portlets.d4sreporting.common.shared.SerializableRepeatableSequence;
import org.gcube.portlets.user.reportgenerator.client.Presenter.Presenter;
import org.gcube.portlets.user.reportgenerator.client.model.TemplateComponent;

import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HasAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.VerticalPanel;

public class RepeatableSequence extends Composite {
	private ArrayList<TemplateComponent> groupedComponents = new ArrayList<TemplateComponent>();

	private VerticalPanel myPanel;
	private HorizontalPanel buttonPanel = new HorizontalPanel();
	private Presenter p;
	private Button addAnotherB = new Button("Add another entry");

	/**
	 * constructor used by the system when reading the model 
	 * @param sRS
	 */
	public RepeatableSequence(Presenter p, SerializableRepeatableSequence sRS) {
		this.p = p;
		addAnotherB.getElement().getStyle().setMargin(10, Unit.PX);
		addAnotherB.getElement().getStyle().setHeight(30, Unit.PX);
		addAnotherB.getElement().getStyle().setWidth(200, Unit.PX);
		myPanel = new VerticalPanel();
		myPanel.setHorizontalAlignment(HasAlignment.ALIGN_LEFT);
		int size = sRS.getGroupedComponents().size();
		for (int j = 0; j < size; j++) {
			SerializableComponent sComp = sRS.getGroupedComponents().get(j);
			if (j == size-1) {
				myPanel.add(buttonPanel); //add the button before the last element
				buttonPanel.setWidth("100%");
				buttonPanel.setHorizontalAlignment(HasAlignment.ALIGN_RIGHT);
				buttonPanel.add(addAnotherB);
			}
			add(new TemplateComponent(p.getModel(), sComp, p));
		}
		initWidget(myPanel);
		
		addAnotherB.addClickHandler(new ClickHandler() {
			
			@Override
			public void onClick(ClickEvent event) {
				Window.alert("TODO: Missing Implementation");
				
			}
		});
	}

	public void add(TemplateComponent toAdd) {
		if (toAdd.getType() != ComponentType.REPEAT_SEQUENCE_INNER) {
			groupedComponents.add(toAdd);
			GWT.log("ToAdd= getType " + toAdd.getType());
			myPanel.add(toAdd.getContent());
		}
	}


	public ArrayList<TemplateComponent> getGroupedComponents() {
		return groupedComponents;
	}

	public void setGroupedComponents(ArrayList<TemplateComponent> groupedComponents) {
		this.groupedComponents = groupedComponents;
	}	
}