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

voidaddStyle(JTextPane textPane, String name, Color foreground)
add Style 
addStyle(textPane, name, foreground, null, false);
voidappendAsGreen(JTextPane pane, String fontName, int fontSize, String s)
append As Green 
if (pane.getStyle("greenStyle") == null) {
    Style greenStyle = pane.addStyle("greenStyle", null);
    StyleConstants.setForeground(greenStyle, SUCCESSFUL_GREEN);
    StyleConstants.setFontFamily(greenStyle, fontName);
    StyleConstants.setFontSize(greenStyle, fontSize);
StyledDocument doc = (StyledDocument) pane.getDocument();
try {
...
voidappendAsMessage(JTextPane pane, String fontName, int fontSize, String s)
Appends a given string to the StyledDocument of a pane as a message, that is, using the Style 'MessageStyle'. 
if (pane.getStyle("MessageStyle") == null) {
    Style messageStyle = pane.addStyle("MessageStyle", null);
    StyleConstants.setForeground(messageStyle, Color.BLACK);
    StyleConstants.setFontFamily(messageStyle, fontName);
    StyleConstants.setFontSize(messageStyle, fontSize);
StyledDocument doc = (StyledDocument) pane.getDocument();
try {
...
voidappendString(String str, JTextPane jtext)
append String 
StyledDocument document = (StyledDocument) jtext.getDocument();
document.insertString(document.getLength(), str, null);
voidappendToPane(JTextPane textPane, String text, Color foregroundColor, Color backgroundColor)
Append some text in one JTextPane, using colors. 
StyleContext sc = StyleContext.getDefaultStyleContext();
AttributeSet aset = sc.addAttribute(SimpleAttributeSet.EMPTY, StyleConstants.Foreground, foregroundColor);
aset = sc.addAttribute(aset, StyleConstants.Background, backgroundColor);
int len = textPane.getDocument().getLength();
textPane.setCaretPosition(len);
textPane.setCharacterAttributes(aset, false);
textPane.replaceSelection(text);
voidapplyRegex(String regex, JTextPane pane, Color highlightColor)
apply Regex 
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(pane.getText());
while (matcher.find()) {
    StyleContext sc = StyleContext.getDefaultStyleContext();
    AttributeSet aset = sc.addAttribute(SimpleAttributeSet.EMPTY, StyleConstants.Foreground,
            highlightColor);
    pane.getStyledDocument().setCharacterAttributes(matcher.start(), matcher.end() - matcher.start(), aset,
            true);
...
voidcenterText(JTextPane pane)
center Text 
StyledDocument doc = pane.getStyledDocument();
SimpleAttributeSet center = new SimpleAttributeSet();
StyleConstants.setAlignment(center, StyleConstants.ALIGN_CENTER);
doc.setParagraphAttributes(0, doc.getLength(), center, false);
JTextPanecreateJTextPane(String text, Color backgroundColor)
Creates a new JTextPane object with the given properties. 
JTextPane jTextPane = new JTextPane();
jTextPane.setBorder(null);
jTextPane.setEditable(false);
jTextPane.setBackground(backgroundColor);
jTextPane.setFont(new Font("Times New Roman", Font.PLAIN, 14));
if (text != null) {
    jTextPane.setText(text);
jTextPane.setVerifyInputWhenFocusTarget(false);
jTextPane.setAutoscrolls(false);
return jTextPane;
JScrollPanecreateTextPaneScrollPane(JTextPane textPane)
Creates a default scroll pane for a text pane. 
JPanel noWrapPanel = new JPanel(new BorderLayout());
noWrapPanel.add(textPane);
JScrollPane scrollPane = new JScrollPane(noWrapPanel);
scrollPane.getVerticalScrollBar().setUnitIncrement(textPane.getFont().getSize() * 2);
return scrollPane;
StringgetFontFamily(JTextPane textPane)
Returns the font family of the current character. 
String family = (String) (textPane.getInputAttributes().getAttribute(StyleConstants.FontFamily));
return family;