/**
 *
 */

package org.gcube.portlets.user.workspaceexplorerapp.client;

import org.gcube.portlets.user.workspaceexplorerapp.client.WorkspaceExplorerSelectNotification.WorskpaceExplorerSelectNotificationListener;
import org.gcube.portlets.user.workspaceexplorerapp.client.grid.DisplayField;
import org.gcube.portlets.user.workspaceexplorerapp.shared.Item;

import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.dom.client.ContextMenuEvent;
import com.google.gwt.event.dom.client.ContextMenuHandler;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.RootPanel;

/**
 * The Class WorkspaceExplorerAppController.
 *
 * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
 * @Oct 8, 2014
 */
public class WorkspaceExplorerAppController {

//	private VerticalPanel mainPanel = new VerticalPanel();

	private WorkspaceExplorerAppPanel mainPanel;
	private WorkspaceResourcesExplorerPanel wsResourcesExplorerPanel;
	private final HandlerManager eventBus = new HandlerManager(null);

	/**
	 * Instantiates a new workspace explorer app controller.
	 */
	public WorkspaceExplorerAppController() {
	}

	/**
	 * Go.
	 *
	 * @param rootPanel the root panel
	 */
	public void go(final RootPanel rootPanel) {
		RootPanel.getBodyElement().getStyle().setPadding(0, Unit.PX);
//		mainPanel.setWidth("100%");

		try {
			String folderId = Window.Location.getParameter("folderId");

			//TODO CHECK FOLDER ID
			if(folderId==null)
				Window.alert("Folder Id not found, it is not possible to retrieve a folder without a valid id");

			RootPanel.get().addDomHandler(new ContextMenuHandler() {

				@Override
				public void onContextMenu(ContextMenuEvent event) {
					event.preventDefault();
					event.stopPropagation();
				}
			}, ContextMenuEvent.getType());

			wsResourcesExplorerPanel = new WorkspaceResourcesExplorerPanel(eventBus, folderId, false);
			WorskpaceExplorerSelectNotificationListener listener = new WorskpaceExplorerSelectNotificationListener() {

					@Override
					public void onSelectedItem(Item item) {

						GWT.log("Listener Selected Item " + item);
					}

					@Override
					public void onFailed(Throwable throwable) {

						GWT.log("There are networks problem, please check your connection.");
					}

					@Override
					public void onAborted() {

					}

					@Override
					public void onNotValidSelection() {

					}
			};
			wsResourcesExplorerPanel.addWorkspaceExplorerSelectNotificationListener(listener);

			/*new com.google.gwt.user.client.Timer() {

				@Override
				public void run() {

					//TODO  //IS A TEST REMOVE
					ArrayList<Item> tests = new ArrayList<Item>();
					for (int i = 0; i < 50; i++) {
						tests.add(new Item(i+""+Random.nextInt(), "name"+i, false));
					}
					wsResourcesExplorerPanel.getWsExplorer().updateExplorer(tests);
				}
			}.schedule(1000);*/

			mainPanel = new WorkspaceExplorerAppPanel(wsResourcesExplorerPanel);
		}
		catch (Exception e) {
			e.printStackTrace();
		}
	}


	/**
	 * Gets the main panel.
	 *
	 * @return the mainPanel
	 */
	public WorkspaceExplorerAppPanel getMainPanel() {
		return mainPanel;
	}


	/**
	 * Gets the event bus.
	 *
	 * @return the event bus
	 */
	public HandlerManager getEventBus(){
		return eventBus;
	}

	/**
	 * Gets the display fields.
	 *
	 * @return the display fields
	 */
	public DisplayField[] getDisplayFields(){
		return wsResourcesExplorerPanel.getDisplayFields();
	}
}