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 saveColorPreferences(File file) throws IOException {
    Properties prefs1 = new Properties();
    Iterator<String> it = this.styleMap.keySet().iterator();
    String type;
    Style style;
    Color fg, bg;
    while (it.hasNext()) {
      type = it.next();
      style = this.styleMap.get(type);
      fg = StyleConstants.getForeground(style);

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    FileOutputStream out = new FileOutputStream(file);
    prefs1.store(out, "Color preferences for annotation viewer.");
  }


  public void loadColorPreferences(File file) throws IOException {
    Style parent = this.styleMap.get(CAS.TYPE_NAME_ANNOTATION);
    StyleContext sc = StyleContext.getDefaultStyleContext();
    Properties prefs1 = new Properties();
    FileInputStream in = new FileInputStream(file);
    prefs1.load(in);
    String typeName, value;
    Style style;
    Color color;
    int pos;
    Iterator<?> it = prefs1.keySet().iterator();
    while (it.hasNext()) {
      typeName = (String) it.next();

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  }


  private JPanel createCustomizationPanel(String typeName) {
    this.currentTypeName = typeName;
    String defaultAnnotStyleName = CAS.TYPE_NAME_ANNOTATION;
    Style defaultAnnotStyle = this.styleMap.get(defaultAnnotStyleName);
    GridLayout layout = new GridLayout(0, 1);
    JPanel topPanel = new JPanel(layout);
    this.textPane = new JTextPane();
    Style style = this.styleMap.get(typeName);
    if (style == null) {
      style = defaultAnnotStyle;
    }
    Style defaultStyle = StyleContext.getDefaultStyleContext().getStyle(StyleContext.DEFAULT_STYLE);
    this.textPane.addStyle(defaultStyleName, defaultStyle);
    setCurrentStyle(style);
    this.fgColor = StyleConstants.getForeground(this.currentStyle);
    this.bgColor = StyleConstants.getBackground(this.currentStyle);
    this.fgIcon = new ColorIcon(this.fgColor);

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    return topPanel;
  }


  private void setCustomizationPanel(String typeName) {
    this.currentTypeName = typeName;
    Style defaultAnnotStyle = this.styleMap.get(CAS.TYPE_NAME_ANNOTATION);
    Style style = this.styleMap.get(typeName);
    if (style == null) {
      style = defaultAnnotStyle;
    }
    // Style defaultStyle = StyleContext.getDefaultStyleContext().getStyle(
    // StyleContext.DEFAULT_STYLE);

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    buttonPanel.add(this.cancelButton);
    enableButtons(false);
  }


  private void setTextPane() {
    Style defaultStyle = this.textPane.getStyle(defaultStyleName);
    // Style style = textPane.getStyle(typeName);
    // if (style == null || defaultStyle == null) {
    // System.out.println("Style is null.");
    // }
    Document doc = this.textPane.getDocument();

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  }


  private class AcceptButtonHandler implements ActionListener {


    public void actionPerformed(ActionEvent event) {
      Style style = AnnotationDisplayCustomizationFrame.this.styleMap
          .get(AnnotationDisplayCustomizationFrame.this.currentTypeName);
      if (style == null) {
        style = AnnotationDisplayCustomizationFrame.this.textPane.addStyle(
            AnnotationDisplayCustomizationFrame.this.currentTypeName,
            AnnotationDisplayCustomizationFrame.this.styleMap.get(CAS.TYPE_NAME_ANNOTATION));

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  }


  private class CancelButtonHandler implements ActionListener {


    public void actionPerformed(ActionEvent event) {
      Style style = AnnotationDisplayCustomizationFrame.this.styleMap
          .get(AnnotationDisplayCustomizationFrame.this.currentTypeName);
      if (style == null) {
        style = AnnotationDisplayCustomizationFrame.this.styleMap.get(CAS.TYPE_NAME_ANNOTATION);
      }
      // assert(style != null);

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            welcomeTextView.setFocusable(false);
            welcomeTextView.setEditable(false);


            // Set font
            HTMLDocument doc = (HTMLDocument)welcomeTextView.getDocument();
            final Style style = doc.addStyle("normal", null);
            doc.setCharacterAttributes(0, doc.getLength(), style, false);


            welcomeText = welcomeTextView;
        } catch (IOException e)
        {

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     * @param stylefile the name of the text file
     * @throws Exception an Exception is thrown if the stylefile can't be read
     */
    public void init(String stylefile)
            throws Exception {
        Style default_style = m_doc.addStyle(StyleContext.DEFAULT_STYLE, m_doc.getLogicalStyle(0));
        Style parent_style = default_style;
        TextFile file = new TextFile(stylefile);


        file.openForRead(file_id);


        TextToken token = file.nextToken();


        for (; token != null; token = file.nextToken()) {
            parent_style = default_style;
            String style_name = token.getString();


            if (token.isIdentifier()) {


                token = file.nextToken();


                if (token.isIdentifier("extends")) {
                    token = file.nextToken();


                    Style ps = m_doc.getStyle(token.getString());


                    if (ps != null) {
                        parent_style = ps;
                    }


                    token = file.nextToken();
                }


                Style new_style = m_doc.addStyle(style_name, parent_style);


                error("new style " + style_name);


                if (!token.isChar('{')) {
                    throw new Exception("Can't read style on line " + file.getActLine());

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    public Color stringToColor(final String colorNameOrHex) {
        return CSS.ColorProperty.stringToColor(colorNameOrHex);
    }


    public AttributeSet translateHTMLToCSS(final AttributeSet htmlAttrSet) {
        final Style result = addStyle(null, null);
//        if (((Element)htmlAttrSet).isLeaf()) {
//            return result;
//        }


        final Enumeration keys = htmlAttrSet.getAttributeNames();
        while (keys.hasMoreElements()) {
            Object key = keys.nextElement();
            Object value = htmlAttrSet.getAttribute(key);
            if (key instanceof CSS.Attribute) {
                result.addAttribute(key, value);
            } else {
                Object cssKey = HTML_ATTRIBUTE_TO_CSS.get(key);
                if (cssKey != null
                    && ((Attribute)cssKey).getConverter() != null) {


                    if ((key == HTML.Attribute.HEIGHT
                         || key == HTML.Attribute.WIDTH)
                        && value instanceof String
                        && !((String)value).endsWith("%")) {


                        value = ((Attribute)cssKey).getConverter()
                                .toCSS((String)value + /*"px"*/ "pt");
                    } else if (key == HTML.Attribute.BACKGROUND) {
                        value = ((Attribute)cssKey).getConverter()
                                .toCSS("url(" + value + ")");
                    } else {
                        value = ((Attribute)cssKey).getConverter().toCSS(value);
                    }


                    if (value != null) {
                        result.addAttribute(cssKey, value);
                    }
                }
            }
        }
        return result;

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