Examples of javax.swing.text.Style

javax.swing.text.Style
A collection of attributes to associate with an element in a document. Since these are typically used to associate character and paragraph styles with the element, operations for this are provided. Other customized attributes that get associated with the element will effectively be name-value pairs that live in a hierarchy and if a name (key) is not found locally, the request is forwarded to the parent. Commonly used attributes are separated out to facilitate alternative implementations that are more efficient. @author Timothy Prinzing

     * 
     * @return the style.
     */
    public Style getStyle( String token) {
        if ( token != null) {
            Style result = (Style)styles.get( token);
            
            if ( result == null) {
                result = new NamedStyle();
                styles.put( token, result);
            }

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   * @param styleDescription
   *            which style to use (may not be normal)
   * @return the colored style
   */
  private Style getStyle(final Color desiredColor, final String styleDescription) {
    final Style s = textPane.getStyle(styleDescription);
    StyleConstants.setForeground(s, desiredColor);
    return s;
  }

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                        {
                            // no need to change the foreground color
                        }
                    }


                    Style style = null;
                    switch (responseLevel)
                    {
                        case 3 :
                            style = statsDoc.getStyle("Redirect");
                            break;

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        stats.setBackground(getBackground());


        // Add styles to use for different types of status messages        
        StyledDocument doc = (StyledDocument) stats.getDocument();


        Style style = doc.addStyle("Redirect", null);
        StyleConstants.setForeground(style, REDIRECT_COLOR);


        style = doc.addStyle("ClientError", null);
        StyleConstants.setForeground(style, CLIENT_ERROR_COLOR);

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                        {
                            // no need to change the foreground color
                        }
                    }


                    Style style = null;
                    switch (responseLevel)
                    {
                        case 3 :
                            style = statsDoc.getStyle("Redirect");
                            break;

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        stats.setBackground(getBackground());


        // Add styles to use for different types of status messages        
        StyledDocument doc = (StyledDocument) stats.getDocument();


        Style style = doc.addStyle("Redirect", null);
        StyleConstants.setForeground(style, REDIRECT_COLOR);


        style = doc.addStyle("ClientError", null);
        StyleConstants.setForeground(style, CLIENT_ERROR_COLOR);

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            }
        });
    }


    public void testGetStyle() {
        Style style;
        style = textPane.getStyle(StyleContext.DEFAULT_STYLE);
        assertEquals(StyleContext.DEFAULT_STYLE, style.getName());
        assertSame(textPane.getStyledDocument().getStyle(StyleContext.DEFAULT_STYLE), textPane
                .getStyle(StyleContext.DEFAULT_STYLE));
        textPane.addStyle("child", style);
        style = textPane.getStyle("child");
        assertEquals("child", style.getName());
        assertEquals(StyleContext.DEFAULT_STYLE, ((Style) style.getResolveParent()).getName());
        assertSame(textPane.getStyledDocument().getStyle("child"), textPane.getStyle("child"));
    }

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        assertNotSame(child, anotherStyle);
        assertNotNull(anotherStyle);
    }


    public void testRemoveStyle() {
        Style parent = textPane.addStyle("parent", null);
        Style child = textPane.addStyle("child", parent);
        textPane.removeStyle("parent");
        assertNull(textPane.getStyle("parent"));
        assertEquals(2, child.getAttributeCount());
        assertNotNull(child.getResolveParent());
        assertNull(child.getAttribute("resolver"));
    }

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        assertNull(child.getAttribute("resolver"));
    }


    public void testGetLogicalStyle() throws BadLocationException {
        textPane.getStyledDocument().insertString(11, "bold", attrs);
        Style style = textPane.addStyle("bold", textPane.getStyle(StyleContext.DEFAULT_STYLE));
        textPane.setCaretPosition(1);
        style.addAttribute(StyleConstants.Bold, Boolean.TRUE);
        textPane.setLogicalStyle(style);
        style = textPane.getLogicalStyle();
        textPane.setCaretPosition(3);
        assertSame(style, textPane.getLogicalStyle());
        assertTrue(((Boolean) style.getAttribute(StyleConstants.Bold)).booleanValue());
        attrs = new SimpleAttributeSet();
        StyleConstants.setBold(attrs, true);
        textPane.setParagraphAttributes(attrs, true);
        assertNull(textPane.getLogicalStyle());
    }

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        StyleConstants.setItalic(attrs, true);
        textPane.getStyledDocument().insertString(4, "italic\n", attrs);
        StyleConstants.setItalic(attrs, false);
        StyleConstants.setBold(attrs, true);
        // Add style
        Style style = textPane.addStyle("bold", textPane.getStyle(StyleContext.DEFAULT_STYLE));
        // Set style
        textPane.setCaretPosition(1);
        style.addAttribute(StyleConstants.Bold, Boolean.TRUE);
        assertFalse(StyleConstants.isBold(textPane.getParagraphAttributes()));
        textPane.setLogicalStyle(style);
        style = textPane.getLogicalStyle();
        textPane.setCaretPosition(3);
        assertSame(style, textPane.getLogicalStyle());
        assertTrue(((Boolean) style.getAttribute(StyleConstants.Bold)).booleanValue());
        assertTrue(StyleConstants.isBold(textPane.getParagraphAttributes()));
        assertTrue(StyleConstants.isBold(getCharacterAttributes(1)));
        // Set paragraph attributes
        attrs = new SimpleAttributeSet();
        StyleConstants.setBold(attrs, true);
        textPane.setParagraphAttributes(attrs, true);
        assertNull(textPane.getLogicalStyle());
        // Set another style
        textPane.getStyledDocument().setCharacterAttributes(1, 1, attrs, true);
        assertFalse(StyleConstants.isUnderline(textPane.getParagraphAttributes()));
        assertFalse(StyleConstants.isUnderline(getCharacterAttributes(1)));
        style = textPane.addStyle("underline", textPane.getStyle(StyleContext.DEFAULT_STYLE));
        style.addAttribute(StyleConstants.Underline, Boolean.TRUE);
        textPane.setLogicalStyle(style);
        assertNotNull(textPane.getLogicalStyle());
        assertEquals("underline", textPane.getLogicalStyle().getAttribute(
                StyleConstants.NameAttribute));
        assertTrue(StyleConstants.isUnderline(textPane.getParagraphAttributes()));

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