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    1   /*
    2    * Copyright (c) 2002, 2006, Oracle and/or its affiliates. All rights reserved.
    3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
    4    *
    5    * This code is free software; you can redistribute it and/or modify it
    6    * under the terms of the GNU General Public License version 2 only, as
    7    * published by the Free Software Foundation.  Oracle designates this
    8    * particular file as subject to the "Classpath" exception as provided
    9    * by Oracle in the LICENSE file that accompanied this code.
   10    *
   11    * This code is distributed in the hope that it will be useful, but WITHOUT
   12    * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   13    * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   14    * version 2 for more details (a copy is included in the LICENSE file that
   15    * accompanied this code).
   16    *
   17    * You should have received a copy of the GNU General Public License version
   18    * 2 along with this work; if not, write to the Free Software Foundation,
   19    * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   20    *
   21    * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   22    * or visit www.oracle.com if you need additional information or have any
   23    * questions.
   24    */
   25   package javax.swing.plaf.synth;
   26   
   27   import java.awt;
   28   import javax.swing;
   29   import javax.swing.text.JTextComponent;
   30   import javax.swing.border;
   31   import javax.swing.plaf.UIResource;
   32   
   33   /**
   34    * SynthBorder is a border that delegates to a Painter. The Insets
   35    * are determined at construction time.
   36    *
   37    * @author Scott Violet
   38    */
   39   class SynthBorder extends AbstractBorder implements UIResource {
   40       private SynthUI ui;
   41       private Insets insets;
   42   
   43       SynthBorder(SynthUI ui, Insets insets) {
   44           this.ui = ui;
   45           this.insets = insets;
   46       }
   47   
   48       SynthBorder(SynthUI ui) {
   49           this(ui, null);
   50       }
   51   
   52       public void paintBorder(Component c, Graphics g, int x, int y,
   53                               int width, int height) {
   54           JComponent jc = (JComponent)c;
   55           SynthContext context = ui.getContext(jc);
   56           SynthStyle style = context.getStyle();
   57           if (style == null) {
   58               assert false: "SynthBorder is being used outside after the UI " +
   59                             "has been uninstalled";
   60               return;
   61           }
   62           ui.paintBorder(context, g, x, y, width, height);
   63           context.dispose();
   64       }
   65   
   66       /**
   67        * Reinitializes the insets parameter with this Border's current Insets.
   68        * @param c the component for which this border insets value applies
   69        * @param insets the object to be reinitialized
   70        * @return the <code>insets</code> object
   71        */
   72       public Insets getBorderInsets(Component c, Insets insets) {
   73           if (this.insets != null) {
   74               if (insets == null) {
   75                   insets = new Insets(this.insets.top, this.insets.left,
   76                                     this.insets.bottom, this.insets.right);
   77               }
   78               else {
   79                   insets.top    = this.insets.top;
   80                   insets.bottom = this.insets.bottom;
   81                   insets.left   = this.insets.left;
   82                   insets.right  = this.insets.right;
   83               }
   84           }
   85           else if (insets == null) {
   86               insets = new Insets(0, 0, 0, 0);
   87           }
   88           else {
   89               insets.top = insets.bottom = insets.left = insets.right = 0;
   90           }
   91           if (c instanceof JComponent) {
   92               Region region = Region.getRegion((JComponent)c);
   93               Insets margin = null;
   94               if ((region == Region.ARROW_BUTTON || region == Region.BUTTON ||
   95                    region == Region.CHECK_BOX ||
   96                    region == Region.CHECK_BOX_MENU_ITEM ||
   97                    region == Region.MENU || region == Region.MENU_ITEM ||
   98                    region == Region.RADIO_BUTTON ||
   99                    region == Region.RADIO_BUTTON_MENU_ITEM ||
  100                    region == Region.TOGGLE_BUTTON) &&
  101                          (c instanceof AbstractButton)) {
  102                   margin = ((AbstractButton)c).getMargin();
  103               }
  104               else if ((region == Region.EDITOR_PANE ||
  105                         region == Region.FORMATTED_TEXT_FIELD ||
  106                         region == Region.PASSWORD_FIELD ||
  107                         region == Region.TEXT_AREA ||
  108                         region == Region.TEXT_FIELD ||
  109                         region == Region.TEXT_PANE) &&
  110                           (c instanceof JTextComponent)) {
  111                   margin = ((JTextComponent)c).getMargin();
  112               }
  113               else if (region == Region.TOOL_BAR && (c instanceof JToolBar)) {
  114                   margin = ((JToolBar)c).getMargin();
  115               }
  116               else if (region == Region.MENU_BAR && (c instanceof JMenuBar)) {
  117                   margin = ((JMenuBar)c).getMargin();
  118               }
  119               if (margin != null) {
  120                   insets.top += margin.top;
  121                   insets.bottom += margin.bottom;
  122                   insets.left += margin.left;
  123                   insets.right += margin.right;
  124               }
  125           }
  126           return insets;
  127       }
  128   
  129       /**
  130        * This default implementation returns false.
  131        * @return false
  132        */
  133       public boolean isBorderOpaque() {
  134           return false;
  135       }
  136   }

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