Java tutorial
///////////////////////////////////////////////////////////////////////////// // // Project ProjectForge Community Edition // www.projectforge.org // // Copyright (C) 2001-2013 Kai Reinhard (k.reinhard@micromata.de) // // ProjectForge is dual-licensed. // // This community edition 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; version 3 of the License. // // This community edition 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 this program; if not, see http://www.gnu.org/licenses/. // ///////////////////////////////////////////////////////////////////////////// package org.projectforge.web.fibu; import java.util.List; import java.util.Locale; import org.apache.commons.lang.StringUtils; import org.apache.wicket.Component; import org.apache.wicket.markup.html.form.FormComponent; import org.apache.wicket.markup.html.form.SubmitLink; import org.apache.wicket.model.IModel; import org.apache.wicket.spring.injection.annot.SpringBean; import org.apache.wicket.util.convert.IConverter; import org.projectforge.common.RecentQueue; import org.projectforge.core.BaseSearchFilter; import org.projectforge.fibu.KundeDO; import org.projectforge.fibu.KundeDao; import org.projectforge.fibu.KundeFormatter; import org.projectforge.user.PFUserContext; import org.projectforge.user.PFUserDO; import org.projectforge.user.UserXmlPreferencesCache; import org.projectforge.web.wicket.AbstractSelectPanel; import org.projectforge.web.wicket.autocompletion.PFAutoCompleteTextField; import org.projectforge.web.wicket.flowlayout.ComponentWrapperPanel; /** * This panel shows the actual customer. * @author Kai Reinhard (k.reinhard@micromata.de) * */ public class NewCustomerSelectPanel extends AbstractSelectPanel<KundeDO> implements ComponentWrapperPanel { private static final long serialVersionUID = -7114401036341110814L; private static final String USER_PREF_KEY_RECENT_CUSTOMERS = "CustomerSelectPanel:recentCustomers"; private boolean defaultFormProcessing = false; @SpringBean(name = "kundeFormatter") private KundeFormatter kundeFormatter; @SpringBean(name = "kundeDao") private KundeDao kundeDao; @SpringBean(name = "userXmlPreferencesCache") protected UserXmlPreferencesCache userXmlPreferencesCache; private RecentQueue<String> recentCustomers; private final PFAutoCompleteTextField<KundeDO> customerTextField; // Only used for detecting changes: private KundeDO currentCustomer; /** * @param id * @param model * @param caller * @param selectProperty */ public NewCustomerSelectPanel(final String id, final IModel<KundeDO> model, final ISelectCallerPage caller, final String selectProperty) { this(id, model, null, caller, selectProperty); } /** * @param id * @param model * @param caller * @param selectProperty */ @SuppressWarnings("serial") public NewCustomerSelectPanel(final String id, final IModel<KundeDO> model, final String label, final ISelectCallerPage caller, final String selectProperty) { super(id, model, caller, selectProperty); customerTextField = new PFAutoCompleteTextField<KundeDO>("customerField", getModel()) { @Override protected List<KundeDO> getChoices(final String input) { final BaseSearchFilter filter = new BaseSearchFilter(); filter.setSearchFields("id", "name", "identifier", "division"); filter.setSearchString(input); final List<KundeDO> list = kundeDao.getList(filter); return list; } @Override protected List<String> getRecentUserInputs() { return getRecentCustomers().getRecents(); } @Override protected String formatLabel(final KundeDO customer) { if (customer == null) { return ""; } return kundeFormatter.format(customer, false); } @Override protected String formatValue(final KundeDO customer) { if (customer == null) { return ""; } return kundeFormatter.format(customer, false); } @Override protected void convertInput() { final KundeDO customer = getConverter(getType()).convertToObject(getInput(), getLocale()); setConvertedInput(customer); if (customer != null && (currentCustomer == null || customer.getId() != currentCustomer.getId())) { getRecentCustomers().append(kundeFormatter.format(customer, false)); } currentCustomer = customer; } /** * @see org.apache.wicket.Component#getConverter(java.lang.Class) */ @Override public <C> IConverter<C> getConverter(final Class<C> type) { return new IConverter() { @Override public Object convertToObject(final String value, final Locale locale) { if (StringUtils.isEmpty(value) == true) { getModel().setObject(null); return null; } final int ind = value.indexOf(": "); final String customername = ind >= 0 ? value.substring(0, ind) : value; // final PFUserDO user = kundeDao.getById(customername); // if (user == null) { // error(getString("user.panel.error.usernameNotFound")); // } // getModel().setObject(user); // return user; return null; } @Override public String convertToString(final Object value, final Locale locale) { if (value == null) { return ""; } final PFUserDO user = (PFUserDO) value; return user.getUsername(); } }; } }; currentCustomer = getModelObject(); customerTextField.enableTooltips().withLabelValue(true).withMatchContains(true).withMinChars(2) .withAutoSubmit(false).withWidth(400); } /** * Should be called before init() method. If true, then the validation will be done after submitting. * @param defaultFormProcessing */ public void setDefaultFormProcessing(final boolean defaultFormProcessing) { this.defaultFormProcessing = defaultFormProcessing; } @Override @SuppressWarnings("serial") public NewCustomerSelectPanel init() { super.init(); add(customerTextField); final SubmitLink selectMeButton = new SubmitLink("selectMe") { @Override public void onSubmit() { caller.select(selectProperty, PFUserContext.getUserId()); markTextFieldModelAsChanged(); } @Override public boolean isVisible() { // Is visible if no user is given or the given user is not the current logged in user. final KundeDO user = getModelObject(); return user == null || user.getId().equals(PFUserContext.getUser().getId()) == false; } }; add(selectMeButton); selectMeButton.setDefaultFormProcessing(defaultFormProcessing); //selectMeButton.add(new TooltipImage("selectMeHelp", WebConstants.IMAGE_USER_SELECT_ME, getString("tooltip.selectMe"))); return this; } private void markTextFieldModelAsChanged() { customerTextField.modelChanged(); final KundeDO user = getModelObject(); if (user != null) { getRecentCustomers().append(formatCustomer(user)); } } public NewCustomerSelectPanel withAutoSubmit(final boolean autoSubmit) { customerTextField.withAutoSubmit(autoSubmit); return this; } @Override public Component getWrappedComponent() { return customerTextField; } @Override protected void convertInput() { setConvertedInput(getModelObject()); } @SuppressWarnings("unchecked") private RecentQueue<String> getRecentCustomers() { if (this.recentCustomers == null) { this.recentCustomers = (RecentQueue<String>) userXmlPreferencesCache .getEntry(USER_PREF_KEY_RECENT_CUSTOMERS); } if (this.recentCustomers == null) { this.recentCustomers = new RecentQueue<String>(); userXmlPreferencesCache.putEntry(USER_PREF_KEY_RECENT_CUSTOMERS, this.recentCustomers, true); } return this.recentCustomers; } private String formatCustomer(final KundeDO customer) { if (customer == null) { return ""; } return kundeFormatter.format(customer, false); } /** * @see org.projectforge.web.wicket.flowlayout.ComponentWrapperPanel#getComponentOutputId() */ @Override public String getComponentOutputId() { customerTextField.setOutputMarkupId(true); return customerTextField.getMarkupId(); } /** * @see org.projectforge.web.wicket.flowlayout.ComponentWrapperPanel#getFormComponent() */ @Override public FormComponent<?> getFormComponent() { return customerTextField; } }