ckan-metadata-publisher-widget/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/ui/workspace/SelectResourceByWEMainPanel.java

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

import java.util.HashMap;
import java.util.Map;

import org.gcube.portlets.widgets.ckandatapublisherwidget.shared.ResourceElementBean;
import org.gcube.portlets.widgets.wsexplorer.client.explore.WorkspaceResourcesBExplorerPanel;
import org.gcube.portlets.widgets.wsexplorer.client.explore.WorkspaceResourcesExplorerPanel;
import org.gcube.portlets.widgets.wsexplorer.client.notification.WorkspaceExplorerSelectBNotification.WorskpaceExplorerSelectBNotificationListener;
import org.gcube.portlets.widgets.wsexplorer.client.view.grid.ItemsTable.DISPLAY_FIELD;
import org.gcube.portlets.widgets.wsexplorer.shared.Item;

import com.github.gwtbootstrap.client.ui.Button;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * The Class SelectResourceByWEMainPanel.
 *
 * @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
 * 
 *         Mar 5, 2021
 */
public class SelectResourceByWEMainPanel extends Composite {

	/** The ui binder. */
	private static SelectResourceByWEMainPanelUiBinder uiBinder = GWT.create(SelectResourceByWEMainPanelUiBinder.class);

	private static boolean frozen = false;
	private final ResourceElementBean initialBean;

	@UiField
	VerticalPanel wsContainer;
	@UiField
	VerticalPanel selectResourcesContainer;
	
	@UiField
	Button buttSelectResource;
	
	private Item selectedWEItem;
	
	Map<String, SelectResourceWidget> mapSelectedResources = new HashMap<String, SelectResourceWidget>();

	/**
	 * The Interface SelectResourceByWEMainPanelUiBinder.
	 *
	 * @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
	 * 
	 *         Mar 5, 2021
	 */
	interface SelectResourceByWEMainPanelUiBinder extends UiBinder<Widget, SelectResourceByWEMainPanel> {
	}

	/**
	 * Instantiates a new select resource by WE main panel.
	 */
	public SelectResourceByWEMainPanel(ResourceElementBean initialBean) {
		initWidget(uiBinder.createAndBindUi(this));

		this.frozen = false;

		this.initialBean = initialBean;

		WorkspaceResourcesExplorerPanel rp = null;

		DISPLAY_FIELD[] displayFields = new DISPLAY_FIELD[] { DISPLAY_FIELD.ICON, DISPLAY_FIELD.NAME,
				DISPLAY_FIELD.OWNER };

		try {
			String wsRootId = initialBean.isFolder() ? initialBean.getOriginalIdInWorkspace()
					: initialBean.getParent().getOriginalIdInWorkspace();
			// WorkspaceResourcesBExplorerPanel(String folderId, boolean showOnlyFolders,
			// List<String> showProperties, FilterCriteria filter, boolean showGcubeInfo,
			// DISPLAY_FIELD sortByColumn) throws Exception {
			WorkspaceResourcesBExplorerPanel workspaceExplorerPanel = new WorkspaceResourcesBExplorerPanel(wsRootId,
					false);
			WorskpaceExplorerSelectBNotificationListener wsResourceExplorerListener = new WorskpaceExplorerSelectBNotificationListener() {

	

				@Override
				public void onSelectedItem(Item item) {
					GWT.log("Listener Selected Item " + item);
					selectedWEItem = item;
				}

				@Override
				public void onFailed(Throwable throwable) {
					// Log.error(throwable.getLocalizedMessage());
					throwable.printStackTrace();
				}
				

				@Override
				public void onAborted() {

				}

				@Override
				public void onNotValidSelection() {
					selectedWEItem = null;
				}

				@Override
				public void onBreadcrumbChanged(Item item) {
					GWT.log("Breadcrumb Changed: " + item);

				}
			};

			workspaceExplorerPanel.addWorkspaceExplorerSelectNotificationListener(wsResourceExplorerListener);
			wsContainer.add(workspaceExplorerPanel);

		} catch (Exception e) {
			e.printStackTrace();
		}
		
		if(!initialBean.isFolder()) {
			addSelectResource(initialBean.getOriginalIdInWorkspace(), initialBean.getName(),initialBean.getFullPath());
		}
		
		
		buttSelectResource.addClickHandler(new ClickHandler() {
			
			@Override
			public void onClick(ClickEvent event) {
				if(selectedWEItem!=null) {
					addSelectResource(selectedWEItem.getId(), selectedWEItem.getName(), selectedWEItem.getPath());
				}
				
			}
		});
		
	}
	
	public void addSelectResource(String wsItemId, String name, String path) {

		SelectResourceWidget selWidg = mapSelectedResources.get(wsItemId);
		if (selWidg != null) {
			Window.alert("Item '" + name + "' already selected");
			return;
		}

		ResourceElementBean rb = new ResourceElementBean();
		rb.setOriginalIdInWorkspace(wsItemId);
		rb.setName(name);
		rb.setFullPath(path);
		rb.setEditableName(name);
		selWidg = new SelectResourceWidget(rb);
		
		mapSelectedResources.put(wsItemId, selWidg);
		
		selectResourcesContainer.add(selWidg);
		
	}

	public ResourceElementBean getResourcesToPublish() {
		// TODO Auto-generated method stub
		Window.alert("getResourcesToPublish() must be implemented");
		
		/*List<ResourceElementBean> current = dataProviderRight.getList();

		ResourceElementBean toReturn = new ResourceElementBean();
		List<ResourceElementBean> children = new ArrayList<ResourceElementBean>();

		for (ResourceElementBean resource : current) {
			if(resource.isToBeAdded() && !resource.isFolder()){ // be sure ...
				ResourceElementBean beanWithoutChildren = new ResourceElementBean(resource);
				beanWithoutChildren.setName(resource.getEditableName());
				children.add(beanWithoutChildren);
			}
		}

		toReturn.setToPublish(children);
		return toReturn;*/
		return null;

	}

	public void freeze() {
		// TODO Auto-generated method stub
		Window.alert("freeze() must be implemented");
	}

}