2 * Copyright 2008, 2009, 2010 Electronic Business Systems Ltd.
4 * This file is part of GSS.
6 * GSS is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * GSS is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with GSS. If not, see <http://www.gnu.org/licenses/>.
19 package gr.grnet.pithos.web.client.animation;
21 import com.google.gwt.animation.client.Animation;
22 import com.google.gwt.user.client.DOM;
23 import com.google.gwt.user.client.ui.Widget;
30 public class FadeIn extends Animation {
32 int initialOpacity = 100;
33 double currOpacity = 100;
35 public FadeIn(Widget aWidget){
40 protected void onUpdate(double progress) {
41 if(currOpacity > 0.0){
42 progress = 1.0 - progress;
43 currOpacity = initialOpacity * progress;
44 DOM.setStyleAttribute(widget.getElement(), "opacity", ""+new Double(1d - currOpacity / 100d));
45 //required for ie to work
46 //Disabled because IE has bugs rendering non-opaque objects
47 //int opacityToSet = new Double(currOpacity).intValue();
48 //DOM.setStyleAttribute(widget.getElement(), "filter", "alpha(opacity=" + (initialOpacity - opacityToSet) + ")");