Java tutorial
/***************************************************************** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.yafra.rcp.admin; import java.util.Iterator; import java.util.List; import javax.naming.NamingException; import org.eclipse.core.databinding.observable.list.WritableList; import org.eclipse.jface.databinding.viewers.ObservableListContentProvider; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TableViewerColumn; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.yafra.model.MYafraBusinessRole; import org.yafra.model.MYafraUser; import org.yafra.rcp.GlobalSettings; import org.yafra.server.ejbRemote.MHIYafraBusinessRoleRemote; import org.yafra.server.ejbRemote.MHIYafraUserRemote; /** * Manage JFace Table of Yafra Business Role to be used within a group * * @author <a href="mailto:yafra@yafra.org">Martin Weber</a> * @version $Id: YafraUserView.java,v 1.8 2009-12-19 20:40:33 mwn Exp $ * @since 1.0 */ public class YafraBusRoleTable { private GlobalSettings glob; private YafraBusRoleTableSorter tableSorterBRoles; public MHIYafraBusinessRoleRemote mhibrole = null; public YafraBusRoleTable() { glob = GlobalSettings.getSingletonObject(); } public void loadTableData(TableViewer viewerBRoles, WritableList inputBRoles) { // Get the content for the viewer, setInput will call getElements in the // contentProvider // viewerUser.setInput(YafraUserDataProvider.getInstance().getPersons()); viewerBRoles.setInput(inputBRoles); tableSorterBRoles = new YafraBusRoleTableSorter(); viewerBRoles.setSorter(tableSorterBRoles); } /** * @wbp.parser.entryPoint */ public void createTable(TableViewer viewerBRoles, List<MGYafraBusRole> broles) { // business role table viewer this.fillTable(broles); this.tableCreateCols(viewerBRoles); viewerBRoles.setContentProvider(new ObservableListContentProvider()); // viewerUser.setContentProvider(new YafraUserContentProvider()); viewerBRoles.setLabelProvider(new YafraBusRoleLabelProvider()); } private void tableCreateCols(final TableViewer viewer) { String[] titles = { "Name", "Description", "Active" }; int[] bounds = { 200, 500, 100 }; for (int i = 0; i < titles.length; i++) { final int index = i; final TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE); viewerColumn.getColumn().setText(titles[i]); viewerColumn.getColumn().setWidth(bounds[i]); viewerColumn.getColumn().setResizable(true); viewerColumn.getColumn().setMoveable(true); // Setting the right sorter viewerColumn.getColumn().addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { YafraBusRoleTableSorter tableSorterBusRoles; tableSorterBusRoles = (YafraBusRoleTableSorter) viewer.getSorter(); tableSorterBusRoles.setColumn(index); int dir = viewer.getTable().getSortDirection(); if (viewer.getTable().getSortColumn() == viewerColumn.getColumn()) { dir = dir == SWT.UP ? SWT.DOWN : SWT.UP; } else { dir = SWT.DOWN; } viewer.getTable().setSortDirection(dir); viewer.getTable().setSortColumn(viewerColumn.getColumn()); viewer.refresh(); } }); } GridData gridData = new GridData(SWT.LEFT, SWT.CENTER, true, false, 1, 1); viewer.getTable().setLayoutData(gridData); viewer.getTable().setHeaderVisible(true); viewer.getTable().setLinesVisible(true); } protected void fillTable(List<MGYafraBusRole> broles) { getMHIBusRoles(); List<MYafraBusinessRole> brlist = (List<MYafraBusinessRole>) mhibrole.getBusinessRoles(false); Iterator<MYafraBusinessRole> it = brlist.iterator(); while (it.hasNext()) { MYafraBusinessRole dbbr = it.next(); MGYafraBusRole mgbr = new MGYafraBusRole(); mgbr.setName(dbbr.getName()); mgbr.setDescription(dbbr.getDescription()); mgbr.setFlag(dbbr.isFlag()); broles.add(mgbr); } } public void deleteEntry(WritableList inputBRoles, ISelection selection) { glob.setDebugmessage(" - start deleteEntry"); if (selection == null || !(selection instanceof IStructuredSelection)) return; IStructuredSelection sel = (IStructuredSelection) selection; MGYafraBusRole YafraBusRoleElement = (MGYafraBusRole) sel.getFirstElement(); glob.setDebugmessage(" - selection on master table on deletion of " + YafraBusRoleElement.getName()); // TODO potential multiple selection delete - not wished at this moment getMHIBusRoles(); mhibrole.deleteBusinessRole(YafraBusRoleElement.getName()); inputBRoles.remove(YafraBusRoleElement); } public MHIYafraBusinessRoleRemote getMHIBusRoles() { glob.setDebugmessage(" - get ejb handler implementation"); if (mhibrole != null) return mhibrole; try { mhibrole = (MHIYafraBusinessRoleRemote) glob.getEjbcontext().lookup("MHIYafraBusinessRoleRemote"); } catch (NamingException e) { glob.setDebugmessage(" - error with ejb context"); e.printStackTrace(); } return mhibrole; } /* * add / remove role to / from user */ public void addRole(MGYafraBusRole mgbr, ISelection selection, MHIYafraUserRemote mhiuser) { glob.setDebugmessage(" - start add new business role"); if (selection == null || !(selection instanceof IStructuredSelection)) return; IStructuredSelection sel = (IStructuredSelection) selection; MGYafraUser YafraUserElement = (MGYafraUser) sel.getFirstElement(); glob.setDebugmessage(" - selection on master table on deletion of " + YafraUserElement.getName()); getMHIBusRoles(); MYafraUser myu = mhiuser.selectUser(YafraUserElement.getUserId()); MYafraBusinessRole mybr = mhibrole.selectBusinessRole(mgbr.getName()); mhiuser.addBusinessRole(myu, mybr); } public void removeRole(MGYafraBusRole mgbr, ISelection selection, MHIYafraUserRemote mhiuser) { glob.setDebugmessage(" - start remove business role"); if (selection == null || !(selection instanceof IStructuredSelection)) return; IStructuredSelection sel = (IStructuredSelection) selection; MGYafraUser YafraUserElement = (MGYafraUser) sel.getFirstElement(); glob.setDebugmessage(" - selection on master table on deletion of " + YafraUserElement.getName()); getMHIBusRoles(); MYafraUser myu = mhiuser.selectUser(YafraUserElement.getUserId()); MYafraBusinessRole mybr = mhibrole.selectBusinessRole(mgbr.getName()); mhiuser.removeBusinessRole(myu, mybr); } }