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

 */
public void format() {
    JTextPane textPane = (JTextPane)getComponent();


    Format format = field.getFormat();
    Style style = StyleContext.getDefaultStyleContext()
  .getStyle(StyleContext.DEFAULT_STYLE);


    // Save selection and select all text
    int selStart = textPane.getSelectionStart();
    int selEnd = textPane.getSelectionEnd();

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    super(parent, name);
    textPane = new JTextPane();
    document = textPane.getDocument();
    scrollPane = new JScrollPane(textPane);


    Style def = StyleContext.getDefaultStyleContext().getStyle(StyleContext.DEFAULT_STYLE);


    Style black = textPane.addStyle("black", def);
    ColorConstants.setForeground(black, Color.black);


    Style white = textPane.addStyle("white", def);
    ColorConstants.setForeground(white, Color.white);


    Style gray = textPane.addStyle("gray", def);
    ColorConstants.setForeground(gray, Color.gray);


    Style blue = textPane.addStyle("blue", def);
    ColorConstants.setForeground(blue, Color.blue);


    Style cyan = textPane.addStyle("cyan", def);
    ColorConstants.setForeground(cyan, Color.cyan);


    Style yellow = textPane.addStyle("yellow", def);
    ColorConstants.setForeground(yellow, Color.yellow);


    Style green = textPane.addStyle("green", def);
    ColorConstants.setForeground(green, Color.green);


    Style darkGreen = textPane.addStyle("darkgreen", def);
    ColorConstants.setForeground(darkGreen, new Color(0, 100, 0));


    Style red = textPane.addStyle("red", def);
    ColorConstants.setForeground(red, Color.red);
  }

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    });
  }


  public void addIcon(ImageIcon icon) throws GUIException {
    String name = "icon" + counter;
    Style style = textPane.addStyle(name, null);
    StyleConstants.setIcon(style, icon);
    addText(name, name);
    counter++;
  }

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        init();
    }


    private void init() {
        StyleContext styleContext = StyleContext.getDefaultStyleContext();
        Style defaultStyle = styleContext.getStyle(StyleContext.DEFAULT_STYLE);


        Style comment = styleContext.addStyle(COMMENT, defaultStyle);
        StyleConstants.setForeground(comment, COMMENT_COLOR);
        StyleConstants.setItalic(comment, true);


        Style quotes = styleContext.addStyle(QUOTES, defaultStyle);
        StyleConstants.setForeground(quotes, Color.MAGENTA.darker().darker());


        Style charQuotes = styleContext.addStyle(SINGLE_QUOTES, defaultStyle);
        StyleConstants.setForeground(charQuotes, Color.GREEN.darker().darker());


        Style slashyQuotes = styleContext.addStyle(SLASHY_QUOTES, defaultStyle);
        StyleConstants.setForeground(slashyQuotes, Color.ORANGE.darker());


        Style digit = styleContext.addStyle(DIGIT, defaultStyle);
        StyleConstants.setForeground(digit, Color.RED.darker());


        Style operation = styleContext.addStyle(OPERATION, defaultStyle);
        StyleConstants.setBold(operation, true);


        Style ident = styleContext.addStyle(IDENT, defaultStyle);


        Style reservedWords = styleContext.addStyle(RESERVED_WORD, defaultStyle);
        StyleConstants.setBold(reservedWords, true);
        StyleConstants.setForeground(reservedWords, Color.BLUE.darker().darker());


        Style leftParens = styleContext.addStyle(IDENT, defaultStyle);


        getRootNode().putStyle(SLASH_STAR_COMMENT, comment);
        getRootNode().putStyle(SLASH_SLASH_COMMENT, comment);
        getRootNode().putStyle(QUOTES, quotes);
        getRootNode().putStyle(SINGLE_QUOTES, charQuotes);

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    }


    /** Change the text on the Editor Pane */
    public void changeText(String text) {


        Style def = StyleContext.getDefaultStyleContext().getStyle(
                StyleContext.DEFAULT_STYLE);


        // Default style for text
        Style regular = taArea0.addStyle("regular", def);
        StyleConstants.setFontSize(regular, 14);
        StyleConstants.setFontFamily(def, "SansSerif");


        // Bold style for "Did you know ???"
        Style s = taArea0.addStyle("bold", regular);
        StyleConstants.setFontSize(s, 18);
        StyleConstants.setItalic(s, true);


        String[] initString = {
                GanttLanguage.getInstance().getText("didYouKnow") + "\n\n", // bold

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     * 
     * @exception BadLocationException if the range is invalid
     */
    static int drawUnselectedText( View view, XMLScanner scanner, XMLContext context, Graphics g, int x, int y, int start, int end) throws BadLocationException {
        Document doc = view.getDocument();
        Style lastStyle = null;
        String lastToken = null;
        int mark = start;


        Color forceColor = null;
        if (view instanceof XMLView) {
            Color bgPaintColor = ((XMLView)view).getBgPaintColor();
            if (bgPaintColor != null) {
                if ( bgPaintColor.equals(XMLView.ERROR_COLOR) || bgPaintColor.equals(XMLView.DEBUG_STOP_COLOR) ) {
                    forceColor = Color.white;
                }
            }
        }


        while ( start < end) {
            updateScanner( scanner, doc, start);


            int p = Math.min( scanner.getEndOffset(), end);
            p = (p <= start) ? end : p;


            Style style = context.getStyle( scanner.token);


            // If the style changes, do paint...
            if ( style != lastStyle && lastStyle != null) {
                // color change, flush what we have
                g.setColor( forceColor != null ? forceColor : context.getForeground( lastStyle));

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     * 
     * @exception BadLocationException if the range is invalid
     */
    static int drawSelectedText( View view, XMLScanner scanner, XMLContext context, Graphics g, int x, int y, int start, int end) throws BadLocationException {
        Document doc = view.getDocument();
        Style lastStyle = null;
        String lastToken = null;
        int mark = start;


        g.setColor(Color.white);


        while ( start < end) {
            updateScanner( scanner, doc, start);


            int p = Math.min( scanner.getEndOffset(), end);
            p = (p <= start) ? end : p;


            Style style = context.getStyle( scanner.token);


            // If the style changes, do paint...
            if ( style != lastStyle && lastStyle != null) {
                // color change, flush what we have
                g.setFont( g.getFont().deriveFont( context.getFontStyle( lastStyle)));

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     * @param token the token to set the font for.
     * @param style the font-style value for the token.
     */
    public void setFontStyle( String token, int style) {


        Style s = this.getStyle( token);


        StyleConstants.setItalic( s, (style & Font.ITALIC) > 0);
        StyleConstants.setBold( s, (style & Font.BOLD) > 0);
    }

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     * @param token the token to set the foreground for.
     * @param color the foreground color value for the token.
     */
    public void setForeground( String token, Color color) {


        Style s = getStyle( token);
        StyleConstants.setForeground( s, color);
    }

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     * @param token the style value for the token.
     * @return the foreground color value for the token.
     */
    public Color getForeground( String token) {
        if ( token != null) {
            Style s = (Style)styles.get( token);
            
            if ( s != null) {
                return super.getForeground( s);
            }
        }

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