Examples of javax.swing.text.AttributeSet

javax.swing.text.AttributeSet
A collection of unique attributes. This is a read-only, immutable interface. An attribute is basically a key and a value assigned to the key. The collection may represent something like a style run, a logical style, etc. These are generally used to describe features that will contribute to some graphical representation such as a font. The set of possible keys is unbounded and can be anything. Typically View implementations will respond to attribute definitions and render something to represent the attributes.
Attributes can potentially resolve in a hierarchy. If a key doesn't resolve locally, and a resolving parent exists, the key will be resolved through the parent. @author Timothy Prinzing @see MutableAttributeSet

    return;
  }
  
  public
  int getFontSize() {
    AttributeSet attrSet = (AttributeSet) attributes.get(Priority.INFO);
    return StyleConstants.getFontSize(attrSet);
  }

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    return;
  }
  
  public
  String getFontName() {
    AttributeSet attrSet = (AttributeSet) attributes.get(Priority.INFO);
    return StyleConstants.getFontFamily(attrSet);
  }

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     */
    public void testGetAttributeString()
    {
        assertEquals( "", SinkUtils.getAttributeString( null ) );


        AttributeSet att = new SinkEventAttributeSet( SinkEventAttributeSet.BOXED );
        String expResult = " decoration=\"boxed\"";
        String result = SinkUtils.getAttributeString( att );
        assertEquals( expResult, result );


        SinkEventAttributes at = new SinkEventAttributeSet( SinkEventAttributeSet.BOLD );

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     */
    public void testFilterAttributes()
    {
        assertNull( SinkUtils.filterAttributes( null, null ) );


        AttributeSet attributes = new SinkEventAttributeSet( 1 );
        String[] valids = null;


        MutableAttributeSet result = SinkUtils.filterAttributes( attributes, valids );
        assertEquals( 0, result.getAttributeCount() );

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     * Test of copyAttributes method, of class SinkEventAttributeSet.
     */
    public void testCopyAttributes()
    {
        sinkEventAttributeSet.addAttributes( SinkEventAttributeSet.ITALIC );
        AttributeSet instance = sinkEventAttributeSet.copyAttributes();
        assertTrue( instance.isEqual( sinkEventAttributeSet ) );
    }

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    }
  }


  private static AttributeSet computeStyle(final javax.swing.text.Element elem, final StyleSheet styles)
  {
    final AttributeSet a = elem.getAttributes();
    final AttributeSet htmlAttr = styles.translateHTMLToCSS(a);
    final ArrayList<AttributeSet> muxList = new ArrayList<AttributeSet>();


    if (htmlAttr.getAttributeCount() != 0)
    {
      muxList.add(htmlAttr);
    }


    if (elem.isLeaf())
    {
      // The swing-parser has a very weird way of storing attributes for the HTML elements. The
      // tag-name is used as key for the attribute set, so you have to know the element type before
      // you can do anything sensible with it. Or as we do here, you have to search for the HTML.Tag
      // object. Arghh.
      final Enumeration keys = a.getAttributeNames();
      while (keys.hasMoreElements())
      {
        final Object key = keys.nextElement();
        if (!(key instanceof HTML.Tag))
        {
          continue;
        }


        if (key == HTML.Tag.A)
        {
          final Object o = a.getAttribute(key);
          if (o instanceof AttributeSet)
          {
            final AttributeSet attr = (AttributeSet) o;
            if (attr.getAttribute(HTML.Attribute.HREF) == null)
            {
              continue;
            }
          }
        }


        final AttributeSet cssRule = styles.getRule((HTML.Tag) key, elem);
        if (cssRule != null)
        {
          muxList.add(cssRule);
        }
      }
    }
    else
    {
      final HTML.Tag t = (HTML.Tag) a.getAttribute(StyleConstants.NameAttribute);
      final AttributeSet cssRule = styles.getRule(t, elem);
      if (cssRule != null)
      {
        muxList.add(cssRule);
      }
    }


    final MutableAttributeSet retval = new SimpleAttributeSet();
    for (int i = muxList.size() - 1; i >= 0; i--)
    {
      final AttributeSet o = muxList.get(i);
      retval.addAttributes(o);
    }
    return retval;
  }

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      return null;
    }


    if (textElement.isLeaf())
    {
      final AttributeSet attributes = textElement.getAttributes();
      if (HTML.Tag.IMG.equals(attributes.getAttribute(StyleConstants.NameAttribute)))
      {
        final Element result = new Element();
        result.setName(textElement.getName());
        result.setElementType(new ContentType());
        final String src = (String) attributes.getAttribute(HTML.Attribute.SRC);
        final String alt = (String) attributes.getAttribute(HTML.Attribute.TITLE);
        result.setAttribute(AttributeNames.Core.NAMESPACE, AttributeNames.Core.VALUE, convertURL(src));
        result.setAttribute(AttributeNames.Html.NAMESPACE, AttributeNames.Html.TITLE, alt);
        result.setAttribute(AttributeNames.Html.NAMESPACE, AttributeNames.Swing.TOOLTIP, alt);
        if (attributes.isDefined(HTML.Attribute.WIDTH) &&
            attributes.isDefined(HTML.Attribute.HEIGHT))
        {
          result.getStyle().setStyleProperty(ElementStyleKeys.SCALE, Boolean.TRUE);
          result.getStyle().setStyleProperty(ElementStyleKeys.KEEP_ASPECT_RATIO, Boolean.FALSE);
          result.getStyle().setStyleProperty(ElementStyleKeys.MIN_WIDTH,
              parseLength(String.valueOf(attributes.getAttribute(HTML.Attribute.WIDTH))));
          result.getStyle().setStyleProperty(ElementStyleKeys.MIN_HEIGHT,
              parseLength(String.valueOf(attributes.getAttribute(HTML.Attribute.HEIGHT))));
        }
        else if (attributes.isDefined(HTML.Attribute.WIDTH))
        {
          result.getStyle().setStyleProperty(ElementStyleKeys.SCALE, Boolean.TRUE);
          result.getStyle().setStyleProperty(ElementStyleKeys.KEEP_ASPECT_RATIO, Boolean.TRUE);
          result.getStyle().setStyleProperty(ElementStyleKeys.MIN_WIDTH,
              parseLength(String.valueOf(attributes.getAttribute(HTML.Attribute.WIDTH))));
          result.getStyle().setStyleProperty(ElementStyleKeys.DYNAMIC_HEIGHT, Boolean.TRUE);
        }
        else if (attributes.isDefined(HTML.Attribute.HEIGHT))
        {
          result.getStyle().setStyleProperty(ElementStyleKeys.SCALE, Boolean.TRUE);
          result.getStyle().setStyleProperty(ElementStyleKeys.KEEP_ASPECT_RATIO, Boolean.TRUE);
          result.getStyle().setStyleProperty(ElementStyleKeys.MIN_HEIGHT,
              parseLength(String.valueOf(attributes.getAttribute(HTML.Attribute.HEIGHT))));
          result.getStyle().setStyleProperty(ElementStyleKeys.DYNAMIC_HEIGHT, Boolean.TRUE);
        }
        else
        {
          result.getStyle().setStyleProperty(ElementStyleKeys.SCALE, Boolean.FALSE);

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  private boolean isInvisible(final javax.swing.text.Element textElement)
  {
    final HTMLDocument htmlDocument = (HTMLDocument) textElement.getDocument();
    final StyleSheet sheet = htmlDocument.getStyleSheet();
    final AttributeSet attr = computeStyle(textElement, sheet);
    final Object o = attr.getAttribute(CSS.Attribute.DISPLAY);
    if ("none".equals(String.valueOf(o)))
    {
      return true;
    }
    final Object tag = findTag(textElement.getAttributes());

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  private void configureStyle(final javax.swing.text.Element textElement, final Element result)
  {
    final HTMLDocument htmlDocument = (HTMLDocument) textElement.getDocument();
    final StyleSheet sheet = htmlDocument.getStyleSheet();
    final AttributeSet attr = computeStyle(textElement, sheet);
    parseBorderAndBackgroundStyle(result, sheet, attr);
    parseBoxStyle(result, attr);


    final Font font = sheet.getFont(attr);
    if (font != null)
    {
      result.getStyle().setStyleProperty(TextStyleKeys.FONT, font.getFamily());
      result.getStyle().setStyleProperty(TextStyleKeys.FONTSIZE, font.getSize());
      result.getStyle().setBooleanStyleProperty(TextStyleKeys.ITALIC, font.isItalic());
      result.getStyle().setBooleanStyleProperty(TextStyleKeys.BOLD, font.isBold());
    }


    final Object letterSpacing = attr.getAttribute(CSS.Attribute.LETTER_SPACING);
    if (letterSpacing != null)
    {
      result.getStyle().setStyleProperty
          (TextStyleKeys.X_OPTIMUM_LETTER_SPACING, parseLength(String.valueOf(letterSpacing)));
    }


    final Object wordSpacing = attr.getAttribute(CSS.Attribute.WORD_SPACING);
    if (wordSpacing != null)
    {
      result.getStyle().setStyleProperty
          (TextStyleKeys.WORD_SPACING, parseLength(String.valueOf(wordSpacing)));
    }


    final Object lineHeight = attr.getAttribute(CSS.Attribute.LINE_HEIGHT);
    if (lineHeight != null)
    {
      result.getStyle().setStyleProperty
          (TextStyleKeys.LINEHEIGHT, parseLength(String.valueOf(lineHeight)));
    }
    final Object textAlign = attr.getAttribute(CSS.Attribute.TEXT_ALIGN);
    if (textAlign != null)
    {
      try
      {
        result.getStyle().setStyleProperty(ElementStyleKeys.ALIGNMENT,
            ReportParserUtil.parseHorizontalElementAlignment(String.valueOf(textAlign), null));
      }
      catch (ParseException e)
      {
        // ignore ..
      }
    }


    final Object textDecoration = attr.getAttribute(CSS.Attribute.TEXT_DECORATION);
    if (textDecoration != null)
    {
      final String[] strings = StringUtils.split(String.valueOf(textDecoration));
      result.getStyle().setStyleProperty(TextStyleKeys.STRIKETHROUGH, Boolean.FALSE);
      result.getStyle().setStyleProperty(TextStyleKeys.UNDERLINED, Boolean.FALSE);


      for (int i = 0; i < strings.length; i++)
      {
        final String value = strings[i];
        if ("line-through".equals(value))
        {
          result.getStyle().setStyleProperty(TextStyleKeys.STRIKETHROUGH, Boolean.TRUE);
        }
        if ("underline".equals(value))
        {
          result.getStyle().setStyleProperty(TextStyleKeys.UNDERLINED, Boolean.TRUE);
        }
      }
    }




    final Object valign = attr.getAttribute(CSS.Attribute.VERTICAL_ALIGN);
    if (valign != null)
    {
      final VerticalTextAlign valignValue = VerticalTextAlign.valueOf(String.valueOf(valign));
      result.getStyle().setStyleProperty(TextStyleKeys.VERTICAL_TEXT_ALIGNMENT, valignValue);
      try
      {
        result.getStyle().setStyleProperty(ElementStyleKeys.VALIGNMENT,
            ReportParserUtil.parseVerticalElementAlignment(String.valueOf(valign), null));
      }
      catch (ParseException e)
      {
        // ignore ..
      }
    }


    final Object whitespaceText = attr.getAttribute(CSS.Attribute.WHITE_SPACE);
    if (whitespaceText != null)
    {
      final String value = String.valueOf(whitespaceText);
      if ("pre".equals(value))
      {
        result.getStyle().setStyleProperty(TextStyleKeys.WHITE_SPACE_COLLAPSE, WhitespaceCollapse.PRESERVE);
        result.getStyle().setStyleProperty(TextStyleKeys.TEXT_WRAP, TextWrap.NONE);
      }
      else if ("nowrap".equals(value))
      {
        result.getStyle().setStyleProperty(TextStyleKeys.WHITE_SPACE_COLLAPSE, WhitespaceCollapse.PRESERVE_BREAKS);
        result.getStyle().setStyleProperty(TextStyleKeys.TEXT_WRAP, TextWrap.NONE);
      }
      else
      {
        result.getStyle().setStyleProperty(TextStyleKeys.WHITE_SPACE_COLLAPSE, WhitespaceCollapse.COLLAPSE);
        result.getStyle().setStyleProperty(TextStyleKeys.TEXT_WRAP, TextWrap.WRAP);
      }
    }
    else
    {
      result.getStyle().setStyleProperty(TextStyleKeys.WHITE_SPACE_COLLAPSE, WhitespaceCollapse.COLLAPSE);
      result.getStyle().setStyleProperty(TextStyleKeys.TEXT_WRAP, TextWrap.WRAP);
    }


    final Object alignAttribute = attr.getAttribute(HTML.Attribute.ALIGN);
    if (alignAttribute != null)
    {
      try
      {
        result.getStyle().setStyleProperty(ElementStyleKeys.ALIGNMENT,
            ReportParserUtil.parseHorizontalElementAlignment(String.valueOf(alignAttribute), null));
      }
      catch (ParseException e)
      {
        // ignore ..
      }
    }


    final Object titleAttribute = attr.getAttribute(HTML.Attribute.TITLE);
    if (titleAttribute != null)
    {
      result.setAttribute(AttributeNames.Html.NAMESPACE, AttributeNames.Html.TITLE,
          String.valueOf(titleAttribute));
    }


    final Object textIndentStyle = attr.getAttribute(CSS.Attribute.TEXT_INDENT);
    if (textIndentStyle != null)
    {
      result.getStyle().setStyleProperty
          (TextStyleKeys.FIRST_LINE_INDENT, parseLength(String.valueOf(textIndentStyle)));
    }

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    return;
  }
  
  public
  int getFontSize() {
    AttributeSet attrSet = (AttributeSet) attributes.get(Priority.INFO);
    return StyleConstants.getFontSize(attrSet);
  }

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