001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2009 SonarSource SA 004 * mailto:contact AT sonarsource DOT com 005 * 006 * Sonar is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * Sonar is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public 017 * License along with Sonar; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 019 */ 020 package org.sonar.gwt; 021 022 import com.google.gwt.i18n.client.NumberFormat; 023 import com.google.gwt.user.client.DOM; 024 import com.google.gwt.user.client.Element; 025 026 public final class Utils { 027 028 private Utils() { 029 // only static methods 030 } 031 032 /** 033 * @return width in pixels of the GWT component in the Sonar page 034 */ 035 public static int getPageWidth() { 036 return DOM.getElementById("gwtpage").getClientWidth(); 037 } 038 039 public static String escapeHtml(String maybeHtml) { 040 final Element div = DOM.createDiv(); 041 DOM.setInnerText(div, maybeHtml); 042 return DOM.getInnerHTML(div); 043 } 044 045 public static String formatPercent(String percentage) { 046 return percentage == null || percentage.equals("") ? "" : formatPercent(new Double(percentage)); 047 } 048 049 public static String formatPercent(double percentage) { 050 return NumberFormat.getFormat("0.0").format(percentage) + "%"; 051 } 052 053 public static String formatNumber(String number) { 054 return number == null || number.equals("") ? "" : formatNumber(new Double(number)); 055 } 056 057 public static String formatNumber(double number) { 058 return NumberFormat.getDecimalFormat().format(number); 059 } 060 061 public static native void showError(String message) /*-{ 062 $wnd.error(message); 063 }-*/; 064 065 public static native void showWarning(String message) /*-{ 066 $wnd.warning(message); 067 }-*/; 068 069 public static native void showInfo(String message) /*-{ 070 $wnd.info(message); 071 }-*/; 072 }