Java tutorial
/* * Copyright 2009 Fred Sauer * * 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.allen_sauer.gwt.log.client.util; import com.google.gwt.core.client.GWT; import com.google.gwt.core.client.JavaScriptException; import com.google.gwt.core.client.JavaScriptObject; import com.google.gwt.user.client.Window; import com.allen_sauer.gwt.log.client.util.impl.DOMUtilImpl; /** * Provides DOM utility methods. */ public class DOMUtil { // CHECKSTYLE_JAVADOC_OFF private static DOMUtilImpl impl; static { impl = (DOMUtilImpl) GWT.create(DOMUtilImpl.class); } /** * Adjust line breaks within in the provided title for optimal readability and display length for * the current user agent. * * @param title the desired raw text * @return formatted and escaped text */ public static String adjustTitleLineBreaks(String title) { return impl.adjustTitleLineBreaks(title); } public static void reportFatalAndThrowRuntimeException(String msg) throws RuntimeException { msg = "gwt-dnd warning: " + msg; Window.alert(msg); throw new RuntimeException(msg); } public static native void windowClear(JavaScriptObject w) /*-{ w.document.body.innerHTML = ""; }-*/; public static native void windowClose(JavaScriptObject window) /*-{ window.close(); }-*/; public static native JavaScriptObject windowOpen(String features) /*-{ var w = $wnd.open("", "_blank", features); $wnd.focus(); return w; }-*/; public static native String windowReadyState(JavaScriptObject w) /*-{ return w.document.readyState; }-*/; public static native String windowSetTitle(JavaScriptObject w, String title) /*-{ w.document.title = title; }-*/; public static native void windowWrapAndAppendHTML(JavaScriptObject w, String html) throws JavaScriptException /*-{ var div = w.document.createElement('div'); div.innerHTML = html; w.document.body.appendChild(div); }-*/; }