Java tutorial
/* * Copyright (c) 2010 Zhihua (Dennis) Jiang * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.gwtm.ui.client.widgets; import com.google.gwt.user.client.ui.HTML; import com.gwtm.ui.client.core.Utils; import com.gwtm.ui.client.themes.ThemeConstants; import com.gwtm.ui.client.themes.ThemeManager; public class CheckBox extends com.google.gwt.user.client.ui.CheckBox { public CheckBox() { super(); if (Utils.DeviceInfo.isAndroid() && Utils.DeviceInfo.isDeviceGroupMedium()) { CheckBoxIndicator indicator = new CheckBoxIndicator(); this.getElement().insertFirst(indicator.getElement()); } } @Override protected void onLoad() { super.onLoad(); } @Override public void setValue(Boolean value) { setValue(value, false); } @Override public void setValue(Boolean checked, boolean fireEvents) { super.setValue(checked, fireEvents); if (checked) { Utils.Widgets.setExtensionCssClass(this, ThemeConstants.Extension.selected); } else { Utils.Widgets.removeExtensionCssClass(this, ThemeConstants.Extension.selected); } } static class CheckBoxIndicator extends HTML { public CheckBoxIndicator() { super("<div><div></div></div><div></div><div></div><div></div>"); Utils.Widgets.setSecondaryCssClass(this, ThemeManager.getTheme().checkboxindicator()); } } }