Java tutorial
/** * Copyright 2010 the original author or authors. * * This file is part of Zksample2. http://zksample2.sourceforge.net/ * * Zksample2 is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Zksample2 is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Zksample2. If not, see <http://www.gnu.org/licenses/gpl.html>. */ package de.forsthaus.webui.security.rolegroup; import java.io.Serializable; import java.util.List; import org.apache.log4j.Logger; import org.springframework.dao.DataAccessException; import org.zkoss.zk.ui.Path; import org.zkoss.zk.ui.event.Event; import org.zkoss.zk.ui.event.Events; import org.zkoss.zul.Borderlayout; import org.zkoss.zul.Button; import org.zkoss.zul.Checkbox; import org.zkoss.zul.FieldComparator; import org.zkoss.zul.Intbox; import org.zkoss.zul.Listbox; import org.zkoss.zul.Listcell; import org.zkoss.zul.Listheader; import org.zkoss.zul.Listitem; import org.zkoss.zul.Paging; import org.zkoss.zul.Panel; import org.zkoss.zul.Window; import de.forsthaus.backend.model.SecGroup; import de.forsthaus.backend.model.SecRole; import de.forsthaus.backend.model.SecRolegroup; import de.forsthaus.backend.service.SecurityService; import de.forsthaus.backend.util.HibernateSearchObject; import de.forsthaus.webui.security.groupright.SecGrouprightCtrl; import de.forsthaus.webui.security.rolegroup.model.SecRolegroupGroupListModelItemRenderer; import de.forsthaus.webui.security.rolegroup.model.SecRolegroupRoleListModelItemRenderer; import de.forsthaus.webui.util.GFCBaseCtrl; import de.forsthaus.webui.util.SelectionCtrl; import de.forsthaus.webui.util.ZksampleMessageUtils; import de.forsthaus.webui.util.pagging.PagedListWrapper; /** * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++<br> * This is the controller class for the * /WEB-INF/pages/sec_rolegroup/secRolegroup.zul file.<br> * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++<br> * <br> * This is the controller class for the Security RoleGroup Page described in the * secRolegroup.zul file. <br> * <br> * This page allows the visual editing of three tables that represents<br> * groups that belongs to roles. <br> * <br> * 1. Roles (table: secRole) <br> * 2. Groups (table: secGroup) <br> * 3. Role-Groups (table: secRolegroup - The intersection of the two tables <br> * <br> * for working: * * @see SecGrouprightCtrl * * @changes 05/15/2009: sge Migrating the list models for paging. <br> * 07/24/2009: sge changes for clustering.<br> * 10/12/2009: sge changings in the saving routine.<br> * 11/07/2009: bbr changed to extending from GFCBaseCtrl<br> * (GenericForwardComposer) for spring-managed creation.<br> * * @author bbruhns * @author sgerth */ public class SecRolegroupCtrl extends GFCBaseCtrl implements Serializable, SelectionCtrl<SecRole> { private static final long serialVersionUID = -546886879998950467L; private static final Logger logger = Logger.getLogger(SecRolegroupCtrl.class); private transient PagedListWrapper<SecRole> plwSecRoles; private transient PagedListWrapper<SecGroup> plwSecGroups; // init the rendering of the rights private transient SecRole selectedRole; /* * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ * All the components that are defined here and have a corresponding * component with the same 'id' in the zul-file are getting autowired by our * 'extends GFCBaseCtrl' GenericForwardComposer. * ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ protected Window secRolegroupWindow; // autowired protected Panel panel_SecRoleGroup; // autowired // listbox SecRoles protected Borderlayout borderLayout_Roles; // autowired protected Paging paging_ListBoxSecRole; // autowired protected Listbox listBoxSecRole; // autowired protected Listheader listheader_SecRoleGroup_Rolename; // autowired // listbox granted groups protected Borderlayout borderLayout_Groups; // autowired protected Paging paging_ListBoxSecRolegroup; // autowired protected Listbox listBoxSecRolegroup; // autowired protected Listheader listheader_SecRoleGroup_GrantedRight; // autowired protected Listheader listheader_SecRoleGroup_GroupName; // autowired // CRUD Buttons protected Button btnSave; // autowired protected Button btnClose; // autowired protected Borderlayout borderlayoutSecRolegroup; // autowired // row count for listbox private int countRowsSecRole; private int countRowsSecRolegroup; // ServiceDAOs / Domain Classes private transient SecurityService securityService; /** * default constructor.<br> */ public SecRolegroupCtrl() { super(); } /** * * @param event * @throws Exception */ public void onCreate$secRolegroupWindow(Event event) throws Exception { /* ++++ calculate the heights +++++ */ final int topHeader = 40; final int btnTopArea = 42; final int winTitle = 30; /** * Calculate how many rows have been place in the listbox. Get the * currentDesktopHeight from a hidden Intbox from the index.zul that are * filled by onClientInfo() in the indexCtroller */ int panelHeight = 25; // TODO put the logic for working with panel in the ApplicationWorkspace final boolean withPanel = false; if (withPanel == false) { panel_SecRoleGroup.setVisible(false); } else { panel_SecRoleGroup.setVisible(true); panelHeight = 0; } int height = ((Intbox) Path.getComponent("/outerIndexWindow/currentDesktopHeight")).getValue().intValue(); height = height + panelHeight; final int maxListBoxHeight = height - topHeader - btnTopArea - winTitle; setCountRowsSecRole(Math.round(maxListBoxHeight / 30)); setCountRowsSecRolegroup(Math.round(maxListBoxHeight / 30)); // System.out.println("MaxListBoxHeight : " + maxListBoxHeight); // System.out.println("==========> : " + getCountRowsSecRole()); // System.out.println("==========> : " + getCountRowsSecRolegroup()); // secRolegroupWindow.setHeight((height - topHeader) + "px"); // not used listheaders must be declared like -> // lh.setSortAscending(""); lh.setSortDescending("") // Assign the Comparator for sorting listBoxSecRole listheader_SecRoleGroup_Rolename.setSortAscending(new FieldComparator("rolShortdescription", true)); listheader_SecRoleGroup_Rolename.setSortDescending(new FieldComparator("rolShortdescription", false)); // Assign the Comparator for sorting listBoxRoleGroups listheader_SecRoleGroup_GroupName.setSortAscending(new FieldComparator("grpShortdescription", true)); listheader_SecRoleGroup_GroupName.setSortDescending(new FieldComparator("grpShortdescription", false)); /* set the PageSize */ paging_ListBoxSecRole.setPageSize(getCountRowsSecRole()); paging_ListBoxSecRole.setDetailed(true); paging_ListBoxSecRolegroup.setPageSize(getCountRowsSecRolegroup()); paging_ListBoxSecRolegroup.setDetailed(true); // main borderlayout height = window.height - (Panels Top) borderlayoutSecRolegroup.setHeight(String.valueOf(maxListBoxHeight) + "px"); borderLayout_Roles.setHeight(String.valueOf(maxListBoxHeight - 5) + "px"); borderLayout_Groups.setHeight(String.valueOf(maxListBoxHeight - 5) + "px"); listBoxSecRole.setHeight(String.valueOf(maxListBoxHeight - 130) + "px"); listBoxSecRolegroup.setHeight(String.valueOf(maxListBoxHeight - 130) + "px"); /* Tab Details */ // ++ create the searchObject and init sorting ++// HibernateSearchObject<SecRole> soSecRole = new HibernateSearchObject<SecRole>(SecRole.class, getCountRowsSecRole()); soSecRole.addSort("rolShortdescription", false); // Set the ListModel. getPlwSecRoles().init(soSecRole, listBoxSecRole, paging_ListBoxSecRole); // set the itemRenderer listBoxSecRole.setItemRenderer(new SecRolegroupRoleListModelItemRenderer()); // Before we set the ItemRenderer we select the first Item // for init the rendering of the rights setSelectedRole((SecRole) listBoxSecRole.getModel().getElementAt(0)); listBoxSecRole.setSelectedIndex(0); // ++ create the searchObject and init sorting ++// HibernateSearchObject<SecGroup> soSecRolegroup = new HibernateSearchObject<SecGroup>(SecGroup.class, getCountRowsSecRolegroup()); soSecRolegroup.addSort("grpShortdescription", false); // Set the ListModel. getPlwSecGroups().init(soSecRolegroup, listBoxSecRolegroup, paging_ListBoxSecRolegroup); // set the itemRenderer listBoxSecRolegroup.setItemRenderer(new SecRolegroupGroupListModelItemRenderer(this)); } // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // +++++++++++++++++++++++ Components events +++++++++++++++++++++++ // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ /** * when the "save" button is clicked. <br> * * @param event * @throws InterruptedException */ public void onClick$btnSave(Event event) throws InterruptedException { // logger.debug(event.toString()); doSave(); } /** * when the "help" button is clicked. <br> * * @param event * @throws InterruptedException */ public void onClick$btnHelp(Event event) throws InterruptedException { // logger.debug(event.toString()); ZksampleMessageUtils.doShowNotImplementedMessage(); } /** * when the "refresh" button is clicked. <br> * <br> * Refreshes the view by calling the onCreate event manually. * * @param event * @throws InterruptedException */ public void onClick$btnRefresh(Event event) throws InterruptedException { // logger.debug(event.toString()); Events.postEvent("onCreate", this.secRolegroupWindow, event); secRolegroupWindow.invalidate(); } // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // ++++++++++++++++++++++++ GUI operations +++++++++++++++++++++++++ // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ // +++++++++++++++++++++++++ crud operations +++++++++++++++++++++++ // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ /** * This method saves the status of the checkboxed right-item.<br> * <br> * 1. we iterate over all items in the listbox <br> * 2. for each 'checked item' we must check if it is 'newly' checked <br> * 3. if newly than get a new object first and <b>save</b> it to DB. <br> * 4. for each 'unchecked item' we must check if it newly unchecked <br> * 5. if newly unchecked we must <b>delete</b> this item from DB. <br> * * @throws InterruptedException */ public void doSave() throws InterruptedException { List<Listitem> li = this.listBoxSecRolegroup.getItems(); for (Listitem listitem : li) { Listcell lc = (Listcell) listitem.getFirstChild(); Checkbox cb = (Checkbox) lc.getFirstChild(); if (cb != null) { if (cb.isChecked() == true) { // Get the group object by casting SecGroup aGroup = (SecGroup) listitem.getAttribute("data"); // get the role SecRole aRole = getSelectedRole(); // check if the item is newly checked. If so we cannot found // it in the SecGroupRight-table SecRolegroup aRoleGroup = getSecurityService().getRolegroupByRoleAndGroup(aRole, aGroup); // if new, we make a newly Object if (aRoleGroup == null) { aRoleGroup = getSecurityService().getNewSecRolegroup(); aRoleGroup.setSecGroup(aGroup); aRoleGroup.setSecRole(aRole); } try { // save to DB getSecurityService().saveOrUpdate(aRoleGroup); } catch (DataAccessException e) { ZksampleMessageUtils.showErrorMessage(e.getMostSpecificCause().toString()); } } else if (cb.isChecked() == false) { // Get the group object by casting SecGroup aGroup = (SecGroup) listitem.getAttribute("data"); // get the role SecRole aRole = getSelectedRole(); // check if the item is newly unChecked. If so we must // found it in the SecRolegroup-table SecRolegroup aRoleGroup = getSecurityService().getRolegroupByRoleAndGroup(aRole, aGroup); if (aRoleGroup != null) { // delete from DB getSecurityService().delete(aRoleGroup); } } } } } public void onSelect$listBoxSecRole(Event event) throws Exception { // get the selected object Listitem item = this.listBoxSecRole.getSelectedItem(); // Casting SecRole aRole = (SecRole) item.getAttribute("data"); setSelectedRole(aRole); // ++ create the searchObject and init sorting ++// HibernateSearchObject<SecGroup> soSecRolegroup = new HibernateSearchObject<SecGroup>(SecGroup.class, getCountRowsSecRolegroup()); soSecRolegroup.addSort("grpShortdescription", false); // Set the ListModel. getPlwSecGroups().init(soSecRolegroup, listBoxSecRolegroup, paging_ListBoxSecRolegroup); } // +++++++++++++++++++++++++++++++++++++++++++++++++ // // ++++++++++++++++ Setter/Getter ++++++++++++++++++ // // +++++++++++++++++++++++++++++++++++++++++++++++++ // public int getCountRowsSecRole() { return this.countRowsSecRole; } public void setCountRowsSecRole(int countRowsSecRole) { this.countRowsSecRole = countRowsSecRole; } public int getCountRowsSecRolegroup() { return this.countRowsSecRolegroup; } public void setCountRowsSecRolegroup(int countRowsSecRolegroup) { this.countRowsSecRolegroup = countRowsSecRolegroup; } public void setSelectedRole(SecRole role) { this.selectedRole = role; } public SecRole getSelectedRole() { return this.selectedRole; } public SecurityService getSecurityService() { return this.securityService; } public void setSecurityService(SecurityService securityService) { this.securityService = securityService; } public void setPlwSecRoles(PagedListWrapper<SecRole> plwSecRoles) { this.plwSecRoles = plwSecRoles; } public PagedListWrapper<SecRole> getPlwSecRoles() { return this.plwSecRoles; } public void setPlwSecGroups(PagedListWrapper<SecGroup> plwSecGroups) { this.plwSecGroups = plwSecGroups; } public PagedListWrapper<SecGroup> getPlwSecGroups() { return this.plwSecGroups; } /* * (non-Javadoc) * * @see de.forsthaus.webui.util.SelectionCtrl#getSelected() */ @Override public SecRole getSelected() { return getSelectedRole(); } }