LoadPanel.java

package edu.tamu.csdl.dcm.ui.panels;import java.util.ArrayList;import java.util.List;import org.apache.wicket.ajax.AjaxRequestTarget;import org.apache.wicket.ajax.markup.html.form.AjaxButton;import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow;import org.apache.wicket.markup.html.form.Form;import org.apache.wicket.markup.html.panel.Panel;import org.apache.wicket.model.IModel;import org.apache.wicket.model.Model;import com.inmethod.grid.IGridColumn;import com.inmethod.grid.column.PropertyColumn;import com.inmethod.grid.datagrid.DataGrid;import edu.tamu.csdl.dcm.data.Collection;import edu.tamu.csdl.dcm.model.CollectionDataModel;import edu.tamu.csdl.dcm.model.CollectionDataSource;import edu.tamu.csdl.dcm.util.Store;public class LoadPanel extends Panel {	/**	 * 	 */	private static final long serialVersionUID = 3610144741483525440L;	private int userID;	private ModalWindow window;	private LoadForm form;	public LoadPanel(ModalWindow window, int userID) {		super(window.getContentId());		this.userID = userID;		this.window = window;				this.form = new LoadForm("loadform");		add(this.form);	}	class LoadForm extends Form {		/**		 * 		 */		private static final long serialVersionUID = -4956979569026153640L;		private DataGrid table;		public LoadForm(String id) {			super(id);      			this.table = generateTable();			add(this.table);			AjaxButton loadSubmit = new AjaxButton("loadsubmit") {				/**				 * 				 */				private static final long serialVersionUID = 5643876668191005404L;				@Override				protected void onSubmit(AjaxRequestTarget arg0, Form arg1) {					if(LoadForm.this.table.getSelectedItems().size() > 0)					{						java.util.Collection<IModel> selected = LoadForm.this.table.getSelectedItems();						List<IModel> selectedList = new ArrayList<IModel>(selected);						Collection collection = ((CollectionDataModel) selectedList.get(0)).getCollection();						Store.getInstance(LoadPanel.this.userID).setCollection(collection);												LoadPanel.this.window.close(arg0);					}					else					{						LoadForm.this.error("No Row Selected!", null);					}				}			};			add(loadSubmit);			AjaxButton loadCancel = new AjaxButton("loadcancel"){				/**				 * 				 */				private static final long serialVersionUID = 7342495723185113323L;				@Override				protected void onSubmit(AjaxRequestTarget arg0, Form form) {					LoadPanel.this.window.close(arg0);				}			};  			add(loadCancel);		}		private DataGrid generateTable() {			List<IGridColumn> columns = new ArrayList<IGridColumn>();			columns.add(new PropertyColumn(new Model("Index"),"collectionID", "collectionID"));			columns.add(new PropertyColumn(new Model("Name"),"collectionName", "collectionName"));			columns.add(new PropertyColumn(new Model("Size"),"size", "size"));			DataGrid table = new DataGrid("loadtable", new CollectionDataSource(LoadPanel.this.userID), columns);			table.setClickRowToSelect(true);			table.setClickRowToDeselect(true);			table.setAllowSelectMultiple(false);						return table;		}		@Override		protected void onSubmit() {		}            	}	public DataGrid getTable() {		return this.form.table;	}}L