Examples of com.jidesoft.swing.StyleRange

com.jidesoft.swing.StyleRange
A data structure represents a style for a range of text. There are two categories of styles that currently supports. One is the font style and color which includes bold, italic, superscript, subscript as well as the color of the text. The other one is line color and style. The line style could be straight line, dotted line, waved line or any customized style using Stroke. The line could be used as underline or strikethrough line.
The name of StyleRange comes from SWT's StyleRange. We borrowed some design idea from it. StyledLabel is actually very similar to SWT's StyledText. Saying that, the features of the two components are not exactly the same since the purpose of the two components are quite different.

        int defaultFontSize = font.getSize();
        synchronized (_styledTexts) {
            StyledText[] texts = _styledTexts.toArray(new StyledText[_styledTexts.size()]);
            for (int i = texts.length - 1; i >= 0; i--) {
                StyledText styledText = texts[i];
                StyleRange style = styledText.styleRange;
                int size = (style != null &&
                        (style.isSuperscript() || style.isSubscript())) ? Math.round((float) defaultFontSize / style.getFontShrinkRatio()) : defaultFontSize;
                font = getFont(label);
                if (style != null && ((style.getFontStyle() != -1 && font.getStyle() != style.getFontStyle()) || font.getSize() != size)) {
                    font = FontUtils.getCachedDerivedFont(font, style.getFontStyle() == -1 ? font.getStyle() : style.getFontStyle(), size);
                    fm2 = label.getFontMetrics(font);
                    width += fm2.stringWidth(styledText.text);
                }
                else {
//                    fm2 = fm;
                    width += fm.stringWidth(styledText.text);
                }


                if (style != null) {
                    if (style.isUnderlined() && lineHeight < 2) {
                        lineHeight = 2;
                    }
                    if (style.isDotted() && lineHeight < 3) {
                        lineHeight = 3;
                    }
                    if (style.isWaved() && lineHeight < 4) {
                        lineHeight = 4;
                    }
                }
            }
        }

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        synchronized (_styledTexts) {
            String nextS;
            for (int i = 0; i < _styledTexts.size(); i++) {
                StyledText styledText = _styledTexts.get(i);
                StyleRange style = styledText.styleRange;


                if (mnemonicIndex >= 0 && styledText.text.length() > mnemonicIndex - charDisplayed) {
                    displayMnemonic = true;
                    mneIndex = mnemonicIndex - charDisplayed;
                }
                else {
                    displayMnemonic = false;
                }
                charDisplayed += styledText.text.length();


                y = textY;


                if (nextFm2 == null) {
                    int size = (style != null &&
                            (style.isSuperscript() || style.isSubscript())) ? Math.round((float) defaultFontSize / style.getFontShrinkRatio()) : defaultFontSize;


                    font = getFont(label);
                    if (style != null && ((style.getFontStyle() != -1 && font.getStyle() != style.getFontStyle()) || font.getSize() != size)) {
                        font = FontUtils.getCachedDerivedFont(font, style.getFontStyle() == -1 ? font.getStyle() : style.getFontStyle(), size);
                        fm2 = label.getFontMetrics(font);
                    }
                    else {
                        fm2 = fm;
                    }
                }
                else {
                    fm2 = nextFm2;
                }


                g.setFont(font);


                String s = styledText.text;


                int strWidth = fm2.stringWidth(s);


                boolean stop = false;
                int widthLeft = label.getWidth() - x;
                if (widthLeft < strWidth) {
                    // use this method to clip string
                    s = SwingUtilities.layoutCompoundLabel(label, fm2, s, null, label.getVerticalAlignment(), label.getHorizontalAlignment(),
                            label.getVerticalTextPosition(), label.getHorizontalTextPosition(), new Rectangle(x, y, widthLeft, label.getHeight()), new Rectangle(), new Rectangle(), 0);
                    strWidth = fm2.stringWidth(s);
                    stop = true;
                }
                else if (i < _styledTexts.size() - 1) {
                    BasicStyledLabelUI.StyledText nextStyledText = _styledTexts.get(i + 1);
                    String nextText = nextStyledText.text;
                    StyleRange nextStyle = nextStyledText.styleRange;
                    int size = (nextStyle != null &&
                            (nextStyle.isSuperscript() || nextStyle.isSubscript())) ? Math.round((float) defaultFontSize / nextStyle.getFontShrinkRatio()) : defaultFontSize;


                    font = getFont(label);
                    if (nextStyle != null && ((nextStyle.getFontStyle() != -1 && font.getStyle() != nextStyle.getFontStyle()) || font.getSize() != size)) {
                        font = FontUtils.getCachedDerivedFont(font, nextStyle.getFontStyle() == -1 ? font.getStyle() : nextStyle.getFontStyle(), size);
                        nextFm2 = label.getFontMetrics(font);
                    }
                    else {
                        nextFm2 = fm;
                    }

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          updateLabel( selected );
        }
      } );
      updateLabel( selectionModel.getCurrentlySelectedObject().lookup( selectionType ) );


      label.addStyleRange( new StyleRange( Font.ITALIC ) );
    }

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    textArea.setText( out.toString() );


    panel.add( getComponentFactory().createScrollPane( textArea ), BorderLayout.CENTER );


    StyledLabel label = new StyledLabel( cause.getMessage() );
    label.addStyleRange( new StyleRange( Font.BOLD ) );
    panel.add( new JLabel( cause.getMessage() ), BorderLayout.NORTH );


    return panel;
  }

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