Java tutorial
/** * OpenKM, Open Document Management System (http://www.openkm.com) * Copyright (c) 2006-2015 Paco Avila & Josep Llort * * No bytes were intentionally harmed during the development of this application. * * 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 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, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package com.openkm.frontend.client.widget; import com.google.gwt.dom.client.Node; import com.google.gwt.user.client.DOM; import com.google.gwt.user.client.Element; import com.google.gwt.user.client.ui.ComplexPanel; import com.google.gwt.user.client.ui.InsertPanel; import com.google.gwt.user.client.ui.Widget; /** * GroupBoxPanel * * @author jllort * */ public class GroupBoxPanel extends ComplexPanel implements InsertPanel { private Element legend; /** * GroupBoxPanel */ public GroupBoxPanel() { Element fieldset = DOM.createFieldSet(); this.legend = DOM.createLegend(); DOM.appendChild(fieldset, legend); setElement(fieldset); } /** * getCaption * * @return */ public String getCaption() { return DOM.getInnerText(this.legend); } /** * setCaption * * @param caption */ public void setCaption(String caption) { DOM.setInnerText(this.legend, caption); } /** * Adds a new child widget to the panel. * * @param w the widget to be added */ @Override public void add(Widget w) { add(w, getElement()); } @Override public void clear() { // Remove all existing child nodes. Node child = getElement().getFirstChild(); while (child != null) { getElement().removeChild(child); child = getElement().getFirstChild(); } } /** * Inserts a widget before the specified index. * * @param w the widget to be inserted * @param beforeIndex the index before which it will be inserted * @throws IndexOutOfBoundsException if <code>beforeIndex</code> is out of * range */ public void insert(Widget w, int beforeIndex) { insert(w, getElement(), beforeIndex, true); } }