Java Utililty Methods JTextPane

List of utility methods to do JTextPane

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Description

The list of methods to do JTextPane are organized into topic(s).

Method

ColorgetForegroundColor(JTextPane textPane)
Returns the current foreground color. 
Color color = (Color) (textPane.getInputAttributes().getAttribute(StyleConstants.Foreground));
if (color == null) {
    color = new Color(0, 0, 0);
return color;
SimpleAttributeSetinsertStyledString(JTextPane textPane, String text, SimpleAttributeSet attrSet, Color background, Color foreground, String fontFamily, int fontSize, boolean bold, boolean italic, boolean underline, boolean strikeThrough, Boolean superscript)
insert Styled String 
if (attrSet == null) {
    attrSet = new SimpleAttributeSet();
if (background != null)
    StyleConstants.setBackground(attrSet, background);
if (foreground != null)
    StyleConstants.setForeground(attrSet, foreground);
if (fontFamily != null)
...
booleanisSelectionBold(JTextPane textPane)
Returns true if all of the selection is bold, otherwise false. 
int selectionStart = textPane.getSelectionStart();
int selectionEnd = textPane.getSelectionEnd();
StyledDocument doc = (StyledDocument) (textPane.getDocument());
if (selectionStart == selectionEnd) {
    AttributeSet attr = textPane.getInputAttributes();
    if (!attr.containsAttribute(StyleConstants.Bold, new Boolean(true))) {
        return false;
} else {
    for (int i = selectionStart; i < selectionEnd; i++) {
        AttributeSet attr = doc.getCharacterElement(i).getAttributes();
        if (!attr.containsAttribute(StyleConstants.Bold, new Boolean(true))) {
            return false;
return true;
voidoverrideStyle(String styleName, JTextPane textPane, Style newStyle)
override Style 
Style style = textPane.getStyle(styleName);
if (style == null) {
    style = styleContext.addStyle(styleName, null);
    textPane.addStyle(styleName, style);
overrideStyle(style, newStyle);
voidsaveFile(JTextPane txt)
save File 
FileWriter fw;
try {
    fw = new FileWriter(getDiretorio().getAbsoluteFile(), false);
    txt.write(fw);
    fw.close();
} catch (IOException e) {
    e.printStackTrace();
voidscrollTo(JTextPane textPane, int position)
Forces a portion of the document to become visible. 
Rectangle r = textPane.modelToView(position);
if (r != null) {
    textPane.scrollRectToVisible(r);
voidsetDefaultTextPaneProperties(JTextPane textPane)
set Default Text Pane Properties 
textPane.getDocument().putProperty(DefaultEditorKit.EndOfLineStringProperty, "\n");
voidsetJTextPaneFont(JTextPane jtp, Font font, Color c)
Utility method for setting the font and color of a JTextPane. 
MutableAttributeSet attrs = jtp.getInputAttributes();
StyleConstants.setFontFamily(attrs, font.getFamily());
StyleConstants.setFontSize(attrs, font.getSize());
StyleConstants.setItalic(attrs, (font.getStyle() & Font.ITALIC) != 0);
StyleConstants.setBold(attrs, (font.getStyle() & Font.BOLD) != 0);
StyleConstants.setForeground(attrs, c);
StyledDocument doc = jtp.getStyledDocument();
doc.setCharacterAttributes(0, doc.getLength() + 1, attrs, false);
...
voidsetSelectionFontSize(JTextPane textPane, int fontSize)
Sets the font size of the selected text. 
String FONTFAMILY = "fontSize." + fontSize;
Style fontSizeStyle = new StyleContext().addStyle(FONTFAMILY, null);
fontSizeStyle.addAttribute(StyleConstants.FontSize, new Integer(fontSize));
textPane.setCharacterAttributes(fontSizeStyle, false);
voidsetSelectionForeground(JTextPane textPane, Color color)
Sets the foreground color of the selection. 
if (color != null) {
    String FOREGROUND = "foregroundColor." + color.toString();
    Style foregroundStyle = new StyleContext().addStyle(FOREGROUND, null);
    foregroundStyle.addAttribute(StyleConstants.Foreground, color);
    textPane.setCharacterAttributes(foregroundStyle, false);