Java tutorial
/* * Copyright (C) 2009 - 2012 SMVP4G.COM * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 3 of * the License, or (at your option) any later version. * * This software 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package com.smvp4g.mvp.client.core.utils; import com.allen_sauer.gwt.log.client.Log; import com.google.gwt.user.client.ui.HasText; import com.google.gwt.user.client.ui.Image; import com.google.gwt.user.client.ui.UIObject; import com.google.gwt.user.client.ui.Widget; import com.sencha.gxt.widget.core.client.WidgetComponent; import com.sencha.gxt.widget.core.client.form.Field; /** * The Class WidgetUtils. * * @author dungvn3000 * @since 6/26/11, 11:21 AM */ public final class WidgetUtils { private WidgetUtils() { //Hide it. } /** * Using for set text for GWT and GXT Widget. * * @param widget * @param text */ public static void setText(Object widget, String text) { // if (widget instanceof Text) { // //for ext gwt widget. // ((Text) widget).setText(text); // } else if (widget instanceof Button) { // ((Button) widget).setText(text); // } else if (widget instanceof Field) { // ((Field) widget).setFieldLabel(text); // } else if (widget instanceof ContentPanel) { // ((ContentPanel) widget).setHeading(text); // } else // if (widget instanceof Image) { ((Image) widget).setTitle(text); } else if (widget instanceof HasText) { //for gwt widget. ((HasText) widget).setText(text); } else if (widget != null) { Log.error("Can't set text for class " + widget.getClass()); } } /** * Set empty text for GWT and GXT Widget. * * @param widget * @param emptyText */ public static void setEmptyText(Object widget, String emptyText) { if (widget instanceof Field) { // ((Field) widget).setEmptyText(emptyText); } else if (widget != null) { Log.error("Can't set empty text for class " + widget.getClass()); } } /** * Set visible for GWT & GXT Widget. * * @param widget * @param visible */ public static void setVisible(Object widget, boolean visible) { if (widget instanceof UIObject) { ((UIObject) widget).setVisible(visible); } else if (widget != null) { Log.error("Can't set visible for cass " + widget.getClass()); } } /** * Remove widget form parent. * * @param widget */ public static void removeFormParent(Object widget) { if (widget instanceof Widget) { Widget parent = ((Widget) widget).getParent(); if (parent != null) { if (parent instanceof WidgetComponent) { //It was wrapped by WidgetComponent. parent = parent.getParent(); } // if (parent instanceof LayoutContainer) { // ((LayoutContainer) parent).remove((Widget)widget); // } // else { ((Widget) widget).removeFromParent(); } } } else if (widget != null) { Log.error("Can't remove cass " + widget.getClass()); } } }