Java tutorial
/** * Copyright (C) 2011 BonitaSoft S.A. * BonitaSoft, 32 rue Gustave Eiffel - 38000 Grenoble * This program 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 2.0 of the License, or * (at your option) any later version. * * This program 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.bonitasoft.web.toolkit.client.ui.component.containers; import java.util.List; import org.bonitasoft.web.toolkit.client.ui.JsId; import org.bonitasoft.web.toolkit.client.ui.component.core.Component; import org.bonitasoft.web.toolkit.client.ui.component.core.Node; import org.bonitasoft.web.toolkit.client.ui.html.HTML; import com.google.gwt.user.client.DOM; import com.google.gwt.user.client.Element; /** * @author Sverin Moussel * */ public class ContainerStyled<T extends Node> extends Container<T> { public ContainerStyled() { super(); } public ContainerStyled(final JsId jsid, final T... components) { super(jsid, components); } public ContainerStyled(final JsId jsid) { super(jsid); } public ContainerStyled(final T... components) { super(components); } private String makeClasses(final String rootClass, final int index, final int lastIndex) { return rootClass + "_" + String.valueOf(index + 1) + (index == lastIndex ? " " + rootClass + "_last" : "") + (index % 2 == 0 ? " odd" : " even"); } @SuppressWarnings("unchecked") @Override protected Element makeElement() { // Root element this.element = DOM.createElement(this.rootTagName); if (this.rootTagClass != null) { this.element.addClassName(this.rootTagClass); } if (getJsId() != null) { this.element.addClassName(getJsId().toString()); } // Styling and adding children final int size = this.components.size(); int counter = 0; for (final T component : this.components) { final List<Element> childElements = component.getElements(); // Set style on children if also styled (and avoid mapper) if (component instanceof ContainerStyled) { childElements.get(0).addClassName( this.makeClasses(((ContainerStyled<Node>) component).getRootTagClass(), counter, size - 1)); // Adding this to DOM HTML.append(this.element, childElements); } // If we use a wrapper else if (this.wrapTagName != null) { final Element wrapper = DOM.createElement(this.wrapTagName); if (this.wrapTagClass != null) { wrapper.addClassName(this.wrapTagClass); wrapper.addClassName(this.makeClasses(this.wrapTagClass, counter, size - 1)); } else { wrapper.addClassName(this.makeClasses("", counter, size - 1)); } HTML.append(wrapper, childElements); // Adding this to DOM this.element.appendChild(wrapper); } // If we don't use a wrapper else { // If the component is a singleElementComponent, we set the style on the component if (component instanceof Component) { if (this.wrapTagClass != null) { childElements.get(0).addClassName(this.wrapTagClass); childElements.get(0).addClassName(this.makeClasses(this.wrapTagClass, counter, size - 1)); } else { childElements.get(0).addClassName(this.makeClasses("", counter, size - 1)); } } // Adding this to DOM HTML.append(this.element, childElements); } counter++; } return this.element; } @Override public Container<T> append(final T... components) { return super.append(components); } @Override public Container<T> prepend(final T... components) { return super.prepend(components); } }