package org.gcube.portlets.widgets.ckandatapublisherwidget.client.ui;

import org.gcube.portlets.widgets.ckandatapublisherwidget.client.events.DeleteCustomFieldEvent;

import com.github.gwtbootstrap.client.ui.Button;
import com.github.gwtbootstrap.client.ui.InputAddOn;
import com.github.gwtbootstrap.client.ui.TextBox;
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.ui.Composite;
import com.google.gwt.user.client.ui.Widget;

public class CustomFieldEntry extends Composite {

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

	interface CustomFieldEntryUiBinder extends
	UiBinder<Widget, CustomFieldEntry> {
	}

	@UiField InputAddOn keyFieldPrepend;
	@UiField InputAddOn valueFieldPrepend;
	@UiField Button removeCustomField;

	// event bus
	private HandlerManager eventBus;

	public CustomFieldEntry(HandlerManager eventBus) {
		initWidget(uiBinder.createAndBindUi(this));
		this.eventBus = eventBus;
	}

	/**
	 * Check if it has been added by the user during form creation or comes from the workspace
	 * @return
	 */
	private boolean isCreatedCustomField(){

		return valueFieldPrepend.isAttached();

	}
	
	/**
	 * Retrieve the key value
	 * @return
	 */
	public String getKey(){
		
		if(isCreatedCustomField())
			return ((TextBox)keyFieldPrepend.getWidget(1)).getValue();
		else
			return valueFieldPrepend.get
		
	}

	/**
	 * Retrieve the value
	 * @return
	 */
	public String getValue(){
		
		if(isCreatedCustomField())
			return ((TextBox)valueFieldPrepend.getWidget(1)).getValue();
		else
			return valueFieldPrepend.getWidgetIndex(1).get
		
	}
	
	@UiHandler("removeCustomField")
	void onRemoveCustomField(ClickEvent e){

		// fire event
		eventBus.fireEvent(new DeleteCustomFieldEvent(this));

	}

}