Java Swing Text Style overrideStyle(Style originalStyle, Style newStyle)

Description

override Style

License

Open Source License

Declaration

public static void overrideStyle(Style originalStyle, Style newStyle) 

Method Source Code

//package com.java2s;

import javax.swing.JTextPane;

import javax.swing.text.Style;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyleContext;
import javax.swing.text.StyledDocument;

public class Main {
    protected static StyleContext styleContext = new StyleContext();

    public static void overrideStyle(String styleName,
            StyledDocument document, Style newStyle) {
        Style style = document.getStyle(styleName);
        if (style == null) {
            style = styleContext.addStyle(styleName, null);
            document.addStyle(styleName, style);
        }/* w  w w .j  a  v  a  2s.  c  o  m*/

        overrideStyle(style, newStyle);
    }

    public static void overrideStyle(String styleName, JTextPane textPane,
            Style newStyle) {
        Style style = textPane.getStyle(styleName);
        if (style == null) {
            style = styleContext.addStyle(styleName, null);
            textPane.addStyle(styleName, style);
        }

        overrideStyle(style, newStyle);
    }

    public static void overrideStyle(Style originalStyle, Style newStyle) {
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.FontFamily);
        overrideStyleElement(originalStyle, newStyle, StyleConstants.Family);
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.FontSize);
        overrideStyleElement(originalStyle, newStyle, StyleConstants.Size);
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.Foreground);
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.Background);

        overrideStyleElement(originalStyle, newStyle, StyleConstants.Bold);
        overrideStyleElement(originalStyle, newStyle, StyleConstants.Italic);
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.StrikeThrough);
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.Subscript);
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.Superscript);
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.Underline);

        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.RightIndent);
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.LeftIndent);
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.SpaceAbove);
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.SpaceBelow);
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.FirstLineIndent);
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.LineSpacing);

        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.Alignment);
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.BidiLevel);
        overrideStyleElement(originalStyle, newStyle,
                StyleConstants.Orientation);
        overrideStyleElement(originalStyle, newStyle, StyleConstants.TabSet);
    }

    public static boolean overrideStyleElement(Style originalStyle,
            Style newStyle, Object key) {
        //        System.out.println( "DocumentUtils: setting " + key + " to " + newStyle.getAttribute( key ) );

        originalStyle.removeAttribute(key);

        Object attribute = newStyle.getAttribute(key);
        if (attribute != null) {
            originalStyle.addAttribute(key, attribute);
            return true;
        }

        return false;
    }
}

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