workspace-explorer/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/view/grid/ItemsTable.java

/**
 * 
 */
package org.gcube.portlets.widgets.wsexplorer.client.view.grid;

import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.gcube.portlets.widgets.wsexplorer.client.Util;
import org.gcube.portlets.widgets.wsexplorer.shared.Item;

import com.github.gwtbootstrap.client.ui.Pagination;
import com.google.gwt.cell.client.Cell.Context;
import com.google.gwt.cell.client.ImageResourceCell;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.user.cellview.client.AbstractCellTable;
import com.google.gwt.user.cellview.client.Column;
import com.google.gwt.user.cellview.client.ColumnSortEvent.ListHandler;
import com.google.gwt.user.cellview.client.SimplePager;
import com.google.gwt.user.cellview.client.TextColumn;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.view.client.SelectionChangeEvent;
import com.google.gwt.view.client.SelectionChangeEvent.Handler;
import com.google.gwt.view.client.SingleSelectionModel;
/**
 * The Class PackagesTable.
 *
 * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
 * Feb 19, 2015
 */
public class ItemsTable extends AbstractItemsCellTable {
	
	private Column<Item, ImageResource> icon;
	private TextColumn<Item> name;
	private TextColumn<Item> owner;
	private Item selectedItem = null;

	/**
	 * Instantiates a new items table.
	 */
	public ItemsTable() {
		super();
		
	}

	/* (non-Javadoc)
	 * @see org.gcube.portlets.admin.gcubereleases.client.view.AbstractPackageTable#addPackages(java.util.List)
	 */
	public void addItems(List<Item> packages) {
		dataProvider.getList().clear();

		for (Item pckg : packages)
			addItem(pckg);

		cellTable.setPageSize(packages.size()+1);
		cellTable.redraw();
	}

	/**
	 * Adds the package.
	 *
	 * @param pckg the pckg
	 */
	private void addItem(Item pckg) {
		dataProvider.getList().add(pckg);
		dataProvider.flush();
		dataProvider.refresh();
	}

	/* (non-Javadoc)
	 * @see org.gcube.portlets.admin.gcubereleases.client.view.AbstractPackageTable#initTable(com.google.gwt.user.cellview.client.AbstractCellTable, com.google.gwt.user.cellview.client.SimplePager, com.github.gwtbootstrap.client.ui.Pagination)
	 */
	@Override
	public void initTable(AbstractCellTable<Item> packageTable, final SimplePager pager, final Pagination pagination) {
		packageTable.setEmptyTableWidget(new Label("No data."));

		//ICONS
	    ImageResourceCell iconResourceCell = new ImageResourceCell() {
	        public Set<String> getConsumedEvents() {
	            HashSet<String> events = new HashSet<String>();
	            events.add("click");
	            return events;
	        }
	        
	    };

	    icon = new Column<Item, ImageResource>(iconResourceCell) {
	        @Override
	        public ImageResource getValue(Item dataObj) {
	        	return Util.getImage(dataObj);
	        }

//	        @Override
//	        public void onBrowserEvent(Context context, Element elem, Item object, NativeEvent event) {
//	            super.onBrowserEvent(context, elem, object, event); 
//	            if ("click".equals(event.getType())) {
////	            	  Window.open(object.getURL(), "_blank", "");
////	            	  GcubeReleasesAppController.eventBus.fireEvent(new PackageClickEvent(object, AccoutingReference.DOWNLOAD));
//	            }
//	        }
	        
	        /* (non-Javadoc)
	         * @see com.google.gwt.user.cellview.client.Column#render(com.google.gwt.cell.client.Cell.Context, java.lang.Object, com.google.gwt.safehtml.shared.SafeHtmlBuilder)
	         */
	        @Override
	        public void render(Context context, Item object, SafeHtmlBuilder sb) {
	        	super.render(context, object, sb);
	        	
	        }
	    };
//	    icon.setCellStyleNames("img-centered-clickable");
	    icon.setSortable(false);
		packageTable.addColumn(icon, "");
	    packageTable.setColumnWidth(icon, 10.0, Unit.PCT);
	    
		//ARTIFACT ID
		name = new TextColumn<Item>() {
			@Override
			public String getValue(Item object) {
				return object.getName();
			}
		};
		name.setSortable(true);
		packageTable.addColumn(name, "Name");
		packageTable.setColumnWidth(name, 60.0, Unit.PCT);
		
		ListHandler<Item> nameColumnHandler = new ListHandler<Item>(dataProvider.getList());
		nameColumnHandler.setComparator(name, new Comparator<Item>() {
			@Override
			public int compare(Item o1, Item o2) {
				return o1.getName().compareTo(o2.getName());
			}
		});
		
		packageTable.addColumnSortHandler(nameColumnHandler);
		
		owner = new TextColumn<Item>() {
			@Override
			public String getValue(Item object) {
				return object.getOwner() != null ? object.getOwner() : "";
			}
		};
		
		owner.setSortable(true);
		packageTable.addColumn(owner, "Owner");
		packageTable.setColumnWidth(owner, 40.0, Unit.PCT);
		
		ListHandler<Item> ownerColumnHandler = new ListHandler<Item>(dataProvider.getList());
		nameColumnHandler.setComparator(owner, new Comparator<Item>() {
			@Override
			public int compare(Item o1, Item o2) {
				return o1.getOwner().compareTo(o2.getOwner());
			}
		});
		packageTable.addColumnSortHandler(ownerColumnHandler);
		/*
	    packageTable.addColumn(icon, "Download");
		packageTable.setColumnWidth(icon, 10.0, Unit.PCT);
		*/
		//MAVEN COORDS
	    ImageResourceCell myImgMavenCell = new ImageResourceCell() {
	        public Set<String> getConsumedEvents() {
	            HashSet<String> events = new HashSet<String>();
	            events.add("click");
	            return events;
	        }
	    };
	    
	    /*
		//AS LINK
	    final SafeHtmlRenderer<String> mvnCoordinatesRenderer = new AbstractSafeHtmlRenderer<String>() {
	      @Override
	      public SafeHtml render(String object) {
	        SafeHtmlBuilder sb = new SafeHtmlBuilder();
	        sb.appendHtmlConstant("<a target=\"_blank\" href=\""+object+"\">").appendEscaped("Maven Repo").appendHtmlConstant("</a>");
	        return sb.toSafeHtml();
	      }
	    };
	
	    mvnCoordinates = new Column<Package, String>(new ClickableTextCell(mvnCoordinatesRenderer)) {
	      @Override
	      public String getValue(Package object) {
	    	 return "http://maven.research-infrastructures.eu/nexus/index.html#nexus-search;quick~"+object.getArtifactID();
	      }
	    };
	    */
//		mvn.setSortable(false);

		final SingleSelectionModel<Item> selectionModel = new SingleSelectionModel<Item>();
		selectionModel.addSelectionChangeHandler(new Handler() {
			@Override
			public void onSelectionChange(SelectionChangeEvent event) {
//				Package p = selectionModel.getSelectedObject();
				// CellTables.this.driver.edit(person);
			}
		});

//		exampleTable.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.BOUND_TO_SELECTION);
//		packageTable.setSelectionModel(selectionModel);
		// pager.setDisplay(exampleTable);
		// pagination.clear();

	}

	/* (non-Javadoc)
	 * @see org.gcube.portlets.widgets.wsexplorer.client.grid.AbstractItemsCellTable#selectedItem(org.gcube.portlets.widgets.wsexplorer.shared.Item)
	 */
	@Override
	public void selectedItem(Item item) {
		this.selectedItem = item;
	}

	/* (non-Javadoc)
	 * @see org.gcube.portlets.widgets.wsexplorer.client.notification.SelectionItemHandler#getSelectionItem()
	 */
	@Override
	public Item getSelectedItem() {
		return selectedItem;
	}
}