Java tutorial
///////////////////////////////////////////////////////////////////////////// // // Project ProjectForge Community Edition // www.projectforge.org // // Copyright (C) 2001-2014 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.user; 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.business.user.GroupDao; import org.projectforge.framework.persistence.api.BaseSearchFilter; import org.projectforge.framework.persistence.user.entities.GroupDO; import org.projectforge.framework.utils.RecentQueue; import org.projectforge.web.fibu.ISelectCallerPage; import org.projectforge.web.wicket.AbstractSelectPanel; import org.projectforge.web.wicket.WebConstants; import org.projectforge.web.wicket.autocompletion.PFAutoCompleteTextField; import org.projectforge.web.wicket.components.TooltipImage; import org.projectforge.web.wicket.flowlayout.ComponentWrapperPanel; /** * This panel shows the actual group. * * @author Werner Feder (werner.feder@t-online.de) * */ public class NewGroupSelectPanel extends AbstractSelectPanel<GroupDO> implements ComponentWrapperPanel { private static final long serialVersionUID = -2461567910550650952L; private static final String USER_PREF_KEY_RECENT_GROUPS = "GroupSelectPanel:recentGroups"; private boolean defaultFormProcessing = false; @SpringBean private GroupDao groupDao; private RecentQueue<String> recentGroups; private final PFAutoCompleteTextField<GroupDO> groupTextField; // Only used for detecting changes: private GroupDO currentGoup; /** * @param id * @param model * @param caller * @param selectProperty */ public NewGroupSelectPanel(final String id, final IModel<GroupDO> model, final ISelectCallerPage caller, final String selectProperty) { this(id, model, null, caller, selectProperty); } /** * @param id * @param model * @param caller * @param selectProperty */ @SuppressWarnings("serial") public NewGroupSelectPanel(final String id, final IModel<GroupDO> model, final String label, final ISelectCallerPage caller, final String selectProperty) { super(id, model, caller, selectProperty); groupTextField = new PFAutoCompleteTextField<GroupDO>("groupField", getModel()) { @Override protected List<GroupDO> getChoices(final String input) { final BaseSearchFilter filter = new BaseSearchFilter(); filter.setSearchFields("id", "name"); filter.setSearchString(input); final List<GroupDO> list = groupDao.getList(filter); return list; } @Override protected List<String> getRecentUserInputs() { return getRecentCustomers().getRecents(); } @Override protected String formatLabel(final GroupDO group) { if (group == null) { return ""; } return group.getName(); } @Override protected String formatValue(final GroupDO group) { if (group == null) { return ""; } return group.getName(); } @Override protected void convertInput() { final GroupDO group = getConverter(getType()).convertToObject(getInput(), getLocale()); setConvertedInput(group); if (group != null && (currentGoup == null || group.getId() != currentGoup.getId())) { getRecentCustomers().append(group.getName()); } currentGoup = group; } /** * @see org.apache.wicket.Component#getConverter(java.lang.Class) */ @SuppressWarnings({ "unchecked", "rawtypes" }) @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; } // ### FORMAT ### final GroupDO group = groupDao.getByName(value); if (group == null) { error(getString("panel.error.groupNotFound")); } getModel().setObject(group); return group; } @Override public String convertToString(final Object value, final Locale locale) { if (value == null) { return ""; } final GroupDO group = (GroupDO) value; return formatLabel(group); } }; } }; currentGoup = getModelObject(); groupTextField.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; } @SuppressWarnings("serial") @Override public NewGroupSelectPanel init() { super.init(); add(groupTextField); final SubmitLink selectButton = new SubmitLink("select") { @Override public void onSubmit() { setResponsePage(new GroupListPage(caller, selectProperty)); }; }; selectButton.setDefaultFormProcessing(defaultFormProcessing); add(selectButton); selectButton.add( new TooltipImage("selectHelp", WebConstants.IMAGE_GROUP_SELECT, getString("tooltip.selectGroup"))); final SubmitLink unselectButton = new SubmitLink("unselect") { @Override public void onSubmit() { caller.unselect(selectProperty); } @Override public boolean isVisible() { return isRequired() == false && getModelObject() != null; } }; unselectButton.setDefaultFormProcessing(defaultFormProcessing); add(unselectButton); unselectButton.add(new TooltipImage("unselectHelp", WebConstants.IMAGE_GROUP_UNSELECT, getString("tooltip.unselectGroup"))); return this; } public NewGroupSelectPanel withAutoSubmit(final boolean autoSubmit) { groupTextField.withAutoSubmit(autoSubmit); return this; } @Override public Component getWrappedComponent() { return groupTextField; } @Override protected void convertInput() { setConvertedInput(getModelObject()); } @SuppressWarnings("unchecked") private RecentQueue<String> getRecentCustomers() { if (this.recentGroups == null) { this.recentGroups = (RecentQueue<String>) UserPreferencesHelper.getEntry(USER_PREF_KEY_RECENT_GROUPS); } if (this.recentGroups == null) { this.recentGroups = new RecentQueue<String>(); UserPreferencesHelper.putEntry(USER_PREF_KEY_RECENT_GROUPS, this.recentGroups, true); } return this.recentGroups; } /** * @see org.projectforge.web.wicket.flowlayout.ComponentWrapperPanel#getComponentOutputId() */ @Override public String getComponentOutputId() { groupTextField.setOutputMarkupId(true); return groupTextField.getMarkupId(); } /** * @see org.projectforge.web.wicket.flowlayout.ComponentWrapperPanel#getFormComponent() */ @Override public FormComponent<?> getFormComponent() { return groupTextField; } public PFAutoCompleteTextField<GroupDO> getTextField() { return groupTextField; } }