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Viewing changes to laf-widget/src/main/java/org/pushingpixels/lafwidget/LafWidgetUtilities2.java

  • Committer: Package Import Robot
  • Author(s): Felix Natter
  • Date: 2016-01-18 20:58:45 UTC
  • Revision ID: package-import@ubuntu.com-20160118205845-crbmrkda61qsi5qa
Tags: upstream-7.3+dfsg2
Import upstream version 7.3+dfsg2

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laf-widget/src/main/java/org/pushingpixels/lafwidget/LafWidgetUtilities2.java
 
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/*
 
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 * Copyright (c) 2005-2010 Laf-Widget Kirill Grouchnikov. All Rights Reserved.
 
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 *
 
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 * Redistribution and use in source and binary forms, with or without
 
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 * modification, are permitted provided that the following conditions are met:
 
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 *
 
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 *  o Redistributions of source code must retain the above copyright notice,
 
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 *    this list of conditions and the following disclaimer.
 
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 *
 
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 *  o Redistributions in binary form must reproduce the above copyright notice,
 
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 *    this list of conditions and the following disclaimer in the documentation
 
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 *    and/or other materials provided with the distribution.
 
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 *
 
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 *  o Neither the name of Laf-Widget Kirill Grouchnikov nor the names of
 
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 *    its contributors may be used to endorse or promote products derived
 
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 *    from this software without specific prior written permission.
 
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 *
 
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 
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 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 
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 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 
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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 
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 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 
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 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
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 */
 
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package org.pushingpixels.lafwidget;
 
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import java.awt.Component;
 
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import java.awt.Container;
 
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import javax.swing.JComponent;
 
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import javax.swing.JPasswordField;
 
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import javax.swing.JTabbedPane;
 
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import javax.swing.UIManager;
 
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import org.pushingpixels.lafwidget.preview.PreviewPainter;
 
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import org.pushingpixels.lafwidget.tabbed.TabPreviewPainter;
 
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import org.pushingpixels.lafwidget.text.PasswordStrengthChecker;
 
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/**
 
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 * Various utility functions.
 
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 * 
 
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 * @author Kirill Grouchnikov
 
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 * @author Romain Guy
 
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 */
 
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public class LafWidgetUtilities2 {
 
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        /**
 
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         * Private constructor. Is here to enforce using static methods only.
 
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         */
 
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        private LafWidgetUtilities2() {
 
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        }
 
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        /**
 
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         * Returns the preview painter for the specified tabbed pane.
 
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         * 
 
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         * @param tabbedPane
 
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         *            Tabbed pane.
 
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         * @return Preview painter for the specified tabbed pane.
 
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         */
 
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        public static TabPreviewPainter getTabPreviewPainter(JTabbedPane tabbedPane) {
 
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                if (tabbedPane == null)
 
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                        return null;
 
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                // check property on tabbed pane
 
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                Object tabProp = tabbedPane
 
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                                .getClientProperty(LafWidget.TABBED_PANE_PREVIEW_PAINTER);
 
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                if (tabProp instanceof TabPreviewPainter)
 
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                        return (TabPreviewPainter) tabProp;
 
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                return null;
 
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        }
 
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        /**
 
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         * Returns the preview painter for the specified component.
 
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         * 
 
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         * @param comp
 
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         *            Component.
 
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         * @return Preview painter for the specified component.
 
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         * @since 2.1
 
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         */
 
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        public static PreviewPainter getComponentPreviewPainter(Component comp) {
 
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                if (comp == null)
 
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                        return null;
 
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                // check property on component
 
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                if (comp instanceof JComponent) {
 
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                        Object compProp = ((JComponent) comp)
 
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                                        .getClientProperty(LafWidget.COMPONENT_PREVIEW_PAINTER);
 
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                        if (compProp instanceof PreviewPainter)
 
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                                return (PreviewPainter) compProp;
 
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                }
 
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                // check property on parent
 
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                Container parent = comp.getParent();
 
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                if (parent instanceof JComponent) {
 
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                        Object parentProp = ((JComponent) parent)
 
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                                        .getClientProperty(LafWidget.COMPONENT_PREVIEW_PAINTER);
 
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                        if (parentProp instanceof PreviewPainter)
 
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                                return (PreviewPainter) parentProp;
 
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                }
 
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                Object globProp = UIManager.get(LafWidget.COMPONENT_PREVIEW_PAINTER);
 
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                if (globProp instanceof PreviewPainter)
 
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                        return (PreviewPainter) globProp;
 
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                return null;
 
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        }
 
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        /**
 
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         * Returns the password strength checker for the specified password field.
 
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         * 
 
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         * @param jpf
 
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         *            Password field.
 
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         * @return Password strength checker for the specified password field. The
 
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         *         result can be <code>null</code>.
 
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         */
 
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        public static PasswordStrengthChecker getPasswordStrengthChecker(
 
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                        JPasswordField jpf) {
 
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                Object obj = jpf.getClientProperty(LafWidget.PASSWORD_STRENGTH_CHECKER);
 
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                if ((obj != null) && (obj instanceof PasswordStrengthChecker))
 
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                        return (PasswordStrengthChecker) obj;
 
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                return null;
 
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        }
 
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}