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The source code// $Header: /home/cvs/jakarta-jmeter/src/jorphan/org/apache/jorphan/gui/ComponentUtil.java,v 1.5 2004/02/11 23:48:32 sebb Exp $ /* * Copyright 2001-2004 The Apache Software Foundation. * * 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 org.apache.jorphan.gui; import java.awt.Component; import java.awt.Dimension; /** * This class is a Util for awt Component and could be used to place them in * center of an other. * * @author Bo Regnlin * @version $Revision: 1.5 $ */ public final class ComponentUtil { /** * Use this static method if you want to center and set its position * compared to the size of the current users screen size. Valid percent * is between +-(0-100) minus is treated as plus, bigger than 100 is always * set to 100. * * @param component the component you want to center and set size on * @param percentOfScreen the percent of the current screensize you want * the component to be */ public static void centerComponentInWindow( Component component, int percentOfScreen) { if (percentOfScreen < 0) { centerComponentInWindow(component, -percentOfScreen); return; } if (percentOfScreen > 100) { centerComponentInWindow(component, 100); return; } double percent = percentOfScreen / 100.d; Dimension dimension = component.getToolkit().getScreenSize(); component.setSize( (int) (dimension.getWidth() * percent), (int) (dimension.getHeight() * percent)); centerComponentInWindow(component); } /** * Use this static method if you want to center a component in Window. * *@param component the component you want to center in window */ public static void centerComponentInWindow(Component component) { Dimension dimension = component.getToolkit().getScreenSize(); component.setLocation( (int) ((dimension.getWidth() - component.getWidth()) / 2), (int) ((dimension.getHeight() - component.getHeight()) / 2)); component.validate(); component.repaint(); } /** * Use this static method if you want to center a component over another * component. * * @param parent the component you want to use to place it on * @param toBeCentered the component you want to center */ public static void centerComponentInComponent( Component parent, Component toBeCentered) { toBeCentered.setLocation( (int) parent.getX() + (int) ((parent.getWidth() - toBeCentered.getWidth()) / 2), (int) parent.getY() + (int) ((parent.getHeight() - toBeCentered.getHeight()) / 2)); toBeCentered.validate(); toBeCentered.repaint(); } /** * Private constructor to prevent instantiation. */ private ComponentUtil() { } } |
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