Java tutorial
/** * This file is part of mycollab-web. * * mycollab-web 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. * * mycollab-web 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 mycollab-web. If not, see <http://www.gnu.org/licenses/>. */ package com.esofthead.mycollab.vaadin.web.ui; import com.esofthead.mycollab.common.i18n.GenericI18Enum; import com.esofthead.mycollab.core.arguments.SearchCriteria; import com.esofthead.mycollab.core.db.query.Param; import com.esofthead.mycollab.core.db.query.SearchFieldInfo; import com.esofthead.mycollab.eventmanager.EventBusFactory; import com.esofthead.mycollab.shell.events.ShellEvent; import com.esofthead.mycollab.vaadin.AppContext; import com.vaadin.server.FontAwesome; import com.vaadin.shared.ui.MarginInfo; import com.vaadin.ui.*; import com.vaadin.ui.Button.ClickEvent; import org.vaadin.viritin.layouts.MHorizontalLayout; import java.util.List; /** * @param <S> * @author MyCollab Ltd. * @since 4.0 */ public abstract class DynamicQueryParamLayout<S extends SearchCriteria> extends GenericSearchPanel.SearchLayout<S> { private static final long serialVersionUID = 1L; protected String type; protected BuildCriterionComponent<S> buildCriterionComp; protected ComponentContainer header; public DynamicQueryParamLayout(DefaultGenericSearchPanel<S> parent, String type) { super(parent, "advancedSearch"); setStyleName("advancedSearchLayout"); this.type = type; initLayout(); } protected void initLayout() { header = constructHeader(); buildCriterionComp = new BuildCriterionComponent<S>(this, getParamFields(), getType(), type) { private static final long serialVersionUID = 1L; @Override protected Component buildPropertySearchComp(String fieldId) { return buildSelectionComp(fieldId); } }; this.addComponent(header, "advSearchHeader"); this.addComponent(buildCriterionComp, "advSearchBody"); this.addComponent(createButtonControls(), "advSearchFooter"); } @Override protected void addHeaderRight(Component c) { if (header == null) return; header.addComponent(c); } private HorizontalLayout createButtonControls() { MHorizontalLayout buttonControls = new MHorizontalLayout() .withMargin(new MarginInfo(false, true, false, true)); Button searchBtn = new Button(AppContext.getMessage(GenericI18Enum.BUTTON_SEARCH), new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { callSearchAction(); } }); searchBtn.setStyleName(UIConstants.BUTTON_ACTION); searchBtn.setIcon(FontAwesome.SEARCH); buttonControls.with(searchBtn).withAlign(searchBtn, Alignment.MIDDLE_CENTER); Button clearBtn = new Button(AppContext.getMessage(GenericI18Enum.BUTTON_CLEAR), new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { clearFields(); } }); clearBtn.setStyleName(UIConstants.BUTTON_OPTION); buttonControls.with(clearBtn).withAlign(clearBtn, Alignment.MIDDLE_CENTER); Button basicSearchBtn = new Button(AppContext.getMessage(GenericI18Enum.BUTTON_BASIC_SEARCH), new Button.ClickListener() { private static final long serialVersionUID = 1L; @Override public void buttonClick(final ClickEvent event) { ((DefaultGenericSearchPanel<S>) searchPanel).moveToBasicSearchLayout(); } }); basicSearchBtn.setStyleName(UIConstants.BUTTON_LINK); buttonControls.with(basicSearchBtn).withAlign(basicSearchBtn, Alignment.MIDDLE_CENTER); return buttonControls; } protected void clearFields() { buildCriterionComp.clearAllFields(); } public void displaySearchFieldInfos(List<SearchFieldInfo> searchFieldInfos) { buildCriterionComp.fillSearchFieldInfoAndInvokeSearchRequest(searchFieldInfos); } @Override protected S fillUpSearchCriteria() { List<SearchFieldInfo> searchFieldInfos = buildCriterionComp.buildSearchFieldInfos(); EventBusFactory.getInstance().post(new ShellEvent.AddQueryParam(this, searchFieldInfos)); return SearchFieldInfo.buildSearchCriteria(getType(), searchFieldInfos); } protected abstract Class<S> getType(); public abstract ComponentContainer constructHeader(); public abstract Param[] getParamFields(); protected Component buildSelectionComp(String fieldId) { return null; } }