Animation: Expand and collapse (Smart GWT)
/* * SmartGWT (GWT for SmartClient) * Copyright 2008 and beyond, Isomorphic Software, Inc. * * SmartGWT is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License version 3 * as published by the Free Software Foundation. SmartGWT is also * available under typical commercial license terms - see * http://smartclient.com/license * 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. */ package com.smartgwt.sample.showcase.client; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.user.client.ui.RootPanel; import com.smartgwt.client.types.Overflow; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.widgets.HTMLFlow; import com.smartgwt.client.widgets.IButton; import com.smartgwt.client.widgets.events.ClickEvent; import com.smartgwt.client.widgets.events.ClickHandler; import com.smartgwt.client.widgets.layout.HLayout; import com.smartgwt.client.widgets.layout.VLayout; public class Showcase implements EntryPoint { public void onModuleLoad() { RootPanel.get().add(getViewPanel()); } public Canvas getViewPanel() { Canvas canvas = new Canvas(); VLayout layout = new VLayout(); layout.setMembersMargin(10); final HTMLFlow flow = new HTMLFlow(); flow .setContents("<span class='exampleDropTitle'>Ajax </span> <b>A</b>synchronous <b>J</b>avaScript <b>A</b>nd " + "<b>X</b>ML (AJAX) is a Web development technique for creating interactive <b>web applications</b>. The intent is to " + "make web pages feel more responsive by exchanging small amounts of data with the server behind the scenes, so that the " + "entire Web page does not have to be reloaded each time the user makes a change. This is meant to increase the " + "Web page's <b>interactivity</b>, <b>speed</b>, and <b>usability</b>. (Source: <a href='http://www.wikipedia.org' " + "title='Wikipedia' target='_blank'>Wikipedia</a>)"); flow.setStyleName("exampleTextBlock"); flow.setOverflow(Overflow.HIDDEN); flow.setShowEdges(true); flow.setPadding(5); flow.setWidth(75); flow.setHeight(45); flow.setTop(50); flow.setAnimateTime(800); // in milliseconds IButton expandButton = new IButton(); expandButton.setTitle("Expand"); expandButton.setLeft(40); expandButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { flow.animateResize(310, 195); } }); IButton collapseButton = new IButton(); collapseButton.setTitle("Collapse"); collapseButton.addClickHandler(new ClickHandler() { public void onClick(ClickEvent event) { flow.animateResize(75, 45); } }); HLayout hLayout = new HLayout(); hLayout.setMembersMargin(10); hLayout.addMember(expandButton); hLayout.addMember(collapseButton); layout.addMember(hLayout); layout.addMember(flow); canvas.addChild(layout); return canvas; } }