source/ch/cyberduck/ui/cocoa/HyperlinkAttributedStringFactory.java

   1 package ch.cyberduck.ui.cocoa;
   2
   3 /*
   4  *  Copyright (c) 2008 David Kocher. All rights reserved.
   5  *  http://cyberduck.ch/
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  Bug fixes, suggestions and comments should be sent to:
  18  *  dkocher@cyberduck.ch
  19  */
  20
  21 import ch.cyberduck.core.DescriptiveUrl;
  22 import ch.cyberduck.core.Local;
  23 import ch.cyberduck.binding.application.NSColor;
  24 import ch.cyberduck.binding.application.NSFont;
  25 import ch.cyberduck.binding.foundation.NSAttributedString;
  26 import ch.cyberduck.binding.foundation.NSMutableAttributedString;
  27 import ch.cyberduck.binding.foundation.NSNumber;
  28 import ch.cyberduck.binding.foundation.NSRange;
  29
  30 import org.apache.commons.lang3.StringUtils;
  31 import org.rococoa.cocoa.foundation.NSUInteger;
  32
  33 /**
  34  * From http://developer.apple.com/qa/qa2006/qa1487.html
  35  *
  36  * @version $Id$
  37  */
  38 public final class HyperlinkAttributedStringFactory {
  39
  40     private HyperlinkAttributedStringFactory() {
  41         super();
  42     }
  43
  44     public static NSAttributedString create(final DescriptiveUrl url) {
  45         if(url.equals(DescriptiveUrl.EMPTY)) {
  46             return NSAttributedString.attributedString(StringUtils.EMPTY);
  47         }
  48         return create(url.getUrl());
  49     }
  50
  51     /**
  52      * @param url URL
  53      * @return Clickable and underlined string to put into textfield.
  54      */
  55     public static NSAttributedString create(final String url) {
  56         if(null == url) {
  57             return NSAttributedString.attributedString(StringUtils.EMPTY);
  58         }
  59         return create(url, url);
  60     }
  61
  62     public static NSAttributedString create(final String title, final Local file) {
  63         if(null == file) {
  64             return NSAttributedString.attributedString(title);
  65         }
  66         return create(NSMutableAttributedString.create(title,
  67                 BundleController.TRUNCATE_MIDDLE_ATTRIBUTES), file.getAbsolute());
  68     }
  69
  70     public static NSAttributedString create(final String title, final String url) {
  71         if(null == url) {
  72             return NSAttributedString.attributedString(title);
  73         }
  74         return create(NSMutableAttributedString.create(title,
  75                 BundleController.TRUNCATE_MIDDLE_ATTRIBUTES), url);
  76     }
  77
  78     /**
  79      * @param value     Existing attributes
  80      * @param hyperlink URL
  81      * @return Clickable and underlined string to put into text field.
  82      */
  83     private static NSAttributedString create(final NSMutableAttributedString value, final String hyperlink) {
  84         final NSRange range = NSRange.NSMakeRange(new NSUInteger(0), value.length());
  85         value.beginEditing();
  86         value.addAttributeInRange(NSMutableAttributedString.LinkAttributeName,
  87                 hyperlink, range);
  88         // make the text appear in blue
  89         value.addAttributeInRange(NSMutableAttributedString.ForegroundColorAttributeName,
  90                 NSColor.blueColor(), range);
  91         // system font
  92         value.addAttributeInRange(NSMutableAttributedString.FontAttributeName,
  93                 NSFont.systemFontOfSize(NSFont.smallSystemFontSize()), range);
  94         // next make the text appear with an underline
  95         value.addAttributeInRange(NSMutableAttributedString.UnderlineStyleAttributeName,
  96                 NSNumber.numberWithInt(NSMutableAttributedString.SingleUnderlineStyle), range);
  97         value.endEditing();
  98         return value;
  99     }
 100 }