Example usage for javax.swing.text Element getAttributes

Introduction

In this page you can find the example usage for javax.swing.text Element getAttributes.

Prototype

public AttributeSet getAttributes();

Source Link

Document

Fetches the collection of attributes this element contains.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    JFrame frame = new JFrame();
    JEditorPane edPane = new JEditorPane();
    edPane.setContentType("text/html");

    HTMLEditorKit hek = new HTMLEditorKit();

    edPane.setEditorKit(hek);//from   ww  w .ja v  a2  s .c  om

    HTMLDocument doc = (HTMLDocument) edPane.getDocument();

    doc.insertString(0, "Test testing", null);

    Element[] roots = doc.getRootElements();
    Element body = null;
    for (int i = 0; i < roots[0].getElementCount(); i++) {
        Element element = roots[0].getElement(i);
        if (element.getAttributes().getAttribute(StyleConstants.NameAttribute) == HTML.Tag.BODY) {
            body = element;
            break;
        }
    }

    doc.insertAfterEnd(body, "<img src=" + ClassLoader.getSystemResource("thumbnail.png").toString() + ">");
    frame.add(edPane);

    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.pack();
    frame.setVisible(true);
}

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From source file:MainClass.java

public static void main(String args[]) throws Exception {
    URL url = new URL("http://www.java2s.com");
    URLConnection connection = url.openConnection();
    InputStream is = connection.getInputStream();
    InputStreamReader isr = new InputStreamReader(is);
    BufferedReader br = new BufferedReader(isr);

    HTMLEditorKit htmlKit = new HTMLEditorKit();
    HTMLDocument htmlDoc = (HTMLDocument) htmlKit.createDefaultDocument();
    HTMLEditorKit.Parser parser = new ParserDelegator();
    HTMLEditorKit.ParserCallback callback = htmlDoc.getReader(0);
    parser.parse(br, callback, true);/*  w w  w.  jav  a 2  s .  c o  m*/

    ElementIterator iterator = new ElementIterator(htmlDoc);
    Element element;
    while ((element = iterator.next()) != null) {
        AttributeSet attributes = element.getAttributes();
        Object name = attributes.getAttribute(StyleConstants.NameAttribute);
        if ((name instanceof HTML.Tag) && (name == HTML.Tag.H1)) {
            StringBuffer text = new StringBuffer();
            int count = element.getElementCount();
            for (int i = 0; i < count; i++) {
                Element child = element.getElement(i);
                AttributeSet childAttributes = child.getAttributes();
                if (childAttributes.getAttribute(StyleConstants.NameAttribute) == HTML.Tag.CONTENT) {
                    int startOffset = child.getStartOffset();
                    int endOffset = child.getEndOffset();
                    int length = endOffset - startOffset;
                    text.append(htmlDoc.getText(startOffset, length));
                }
            }
            System.out.println(name + ": " + text.toString());
        }
    }
}

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From source file:ElementIteratorExample.java

public static void main(String args[]) throws Exception {

    if (args.length != 1) {
        System.err.println("Usage: java ElementIteratorExample input-URL");
    }/*from w  w  w .  jav a 2s  . co  m*/

    // Load HTML file synchronously
    URL url = new URL(args[0]);
    URLConnection connection = url.openConnection();
    InputStream is = connection.getInputStream();
    InputStreamReader isr = new InputStreamReader(is);
    BufferedReader br = new BufferedReader(isr);

    HTMLEditorKit htmlKit = new HTMLEditorKit();
    HTMLDocument htmlDoc = (HTMLDocument) htmlKit.createDefaultDocument();
    HTMLEditorKit.Parser parser = new ParserDelegator();
    HTMLEditorKit.ParserCallback callback = htmlDoc.getReader(0);
    parser.parse(br, callback, true);

    // Parse
    ElementIterator iterator = new ElementIterator(htmlDoc);
    Element element;
    while ((element = iterator.next()) != null) {
        AttributeSet attributes = element.getAttributes();
        Object name = attributes.getAttribute(StyleConstants.NameAttribute);
        if ((name instanceof HTML.Tag)
                && ((name == HTML.Tag.H1) || (name == HTML.Tag.H2) || (name == HTML.Tag.H3))) {
            // Build up content text as it may be within multiple elements
            StringBuffer text = new StringBuffer();
            int count = element.getElementCount();
            for (int i = 0; i < count; i++) {
                Element child = element.getElement(i);
                AttributeSet childAttributes = child.getAttributes();
                if (childAttributes.getAttribute(StyleConstants.NameAttribute) == HTML.Tag.CONTENT) {
                    int startOffset = child.getStartOffset();
                    int endOffset = child.getEndOffset();
                    int length = endOffset - startOffset;
                    text.append(htmlDoc.getText(startOffset, length));
                }
            }
            System.out.println(name + ": " + text.toString());
        }
    }
    System.exit(0);
}

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From source file:MainClass.java

public static void main(String args[]) throws Exception {
    URL url = new URL("http://www.google.com");
    URLConnection connection = url.openConnection();
    InputStream is = connection.getInputStream();
    InputStreamReader isr = new InputStreamReader(is);
    BufferedReader br = new BufferedReader(isr);

    HTMLEditorKit htmlKit = new HTMLEditorKit();
    HTMLDocument htmlDoc = (HTMLDocument) htmlKit.createDefaultDocument();
    HTMLEditorKit.Parser parser = new ParserDelegator();
    HTMLEditorKit.ParserCallback callback = htmlDoc.getReader(0);
    parser.parse(br, callback, true);//from   ww  w  .j av  a  2 s . co  m

    Element element;
    ElementIterator iterator = new ElementIterator(htmlDoc);
    while ((element = iterator.next()) != null) {
        AttributeSet attributes = element.getAttributes();
        Object name = attributes.getAttribute(StyleConstants.NameAttribute);

        if ((name instanceof HTML.Tag) && (name == HTML.Tag.H1 || name == HTML.Tag.H2 || name == HTML.Tag.P)) {
            // Build up content text as it may be within multiple elements
            int count = element.getElementCount();
            for (int i = 0; i < count; i++) {
                Element child = element.getElement(i);
                AttributeSet childAttributes = child.getAttributes();
                if (childAttributes.getAttribute(StyleConstants.NameAttribute) == HTML.Tag.CONTENT) {
                    int startOffset = child.getStartOffset();
                    int endOffset = child.getEndOffset();
                    int length = endOffset - startOffset;
                    System.out.println(htmlDoc.getText(startOffset, length));
                }
            }
        }
    }
}

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From source file:Main.java

public static void main(String args[]) throws BadLocationException {
    JTextPane textPane1 = new JTextPane();

    MutableAttributeSet black = new SimpleAttributeSet();
    MutableAttributeSet red = new SimpleAttributeSet();

    StyleConstants.setForeground(black, Color.black);
    StyleConstants.setForeground(red, Color.red);
    textPane1.setEditorKit(new StyledEditorKit());
    doc1 = textPane1.getDocument();//from  www. j  ava2 s  .  c om

    append1("This is a Test!\n");

    attribute = red;
    append1("Hello world! Hello Stackoverflow\n");

    attribute = black;
    append1("the text is black again\n");

    StyledDocument styledDocument = textPane1.getStyledDocument();
    Element element;

    JTextPane textPane2 = new JTextPane();
    textPane2.setEditorKit(new StyledEditorKit());

    doc2 = textPane2.getDocument();
    for (int i = 0; i < styledDocument.getLength(); i++) {
        element = styledDocument.getCharacterElement(i);
        AttributeSet attributeNew = element.getAttributes();
        System.out.println(i);
        append2(styledDocument.getText(i, 1), attributeNew);
    }

    JFrame frame1 = new JFrame();
    frame1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame1.setSize(400, 300);
    frame1.getContentPane().add(new JScrollPane(textPane1), BorderLayout.CENTER);
    frame1.setVisible(true);

    JFrame frame2 = new JFrame();
    frame2.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame2.setSize(400, 300);
    frame2.setLocation(300, 0);
    frame2.getContentPane().add(new JScrollPane(textPane2), BorderLayout.CENTER);
    frame2.setVisible(true);
}

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From source file:Main.java

public static HTML.Tag nameOf(Element element) {
    return (HTML.Tag) element.getAttributes().getAttribute(AttributeSet.NameAttribute);
}

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From source file:Main.java

private static AttributeSet getAttributes(MouseEvent e) {
    JTextPane text = (JTextPane) e.getSource();
    Point mouseLocation = new Point(e.getX(), e.getY());
    int pos = text.viewToModel(mouseLocation);

    if (pos >= 0) {
        try {/*w  ww .  j  a  v a  2  s . c  o  m*/
            Rectangle rect = text.modelToView(pos);
            int lowerCorner = rect.y + rect.height;
            if (e.getX() < rect.x && e.getY() < lowerCorner && pos > 0) {
                pos--;
            }
        } catch (BadLocationException ex) {
            ex.printStackTrace();
        }
        StyledDocument doc = text.getStyledDocument();
        Element element = doc.getCharacterElement(pos);
        return element.getAttributes();
    }
    return null;
}

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From source file:Main.java

public static boolean containsAttribute(Element element, Object name, Object value) {
    if (element == null) {
        return false;
    }//from  w  w  w .  ja v a  2s  .  c  o  m

    Object attribute = element.getAttributes().getAttribute(name);

    if (attribute == null) {
        return containsAttribute(element.getParentElement(), name, value);
    }
    return value.equals(attribute.toString());
}

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From source file:ShowHTMLViews.java

public static void displayElement(Document doc, Element e, int indent, PrintStream out) {
    for (int i = 0; i < indent; i++) {
        out.print("  ");
    }/*from ww  w . ja v  a 2 s  .  c  o m*/
    out.println("===== Element Class: " + getShortClassName(e.getClass()));
    for (int i = 0; i < indent; i++) {
        out.print("  ");
    }
    int startOffset = e.getStartOffset();
    int endOffset = e.getEndOffset();
    out.println("Offsets [" + startOffset + ", " + endOffset + "]");
    AttributeSet a = e.getAttributes();
    Enumeration x = a.getAttributeNames();
    for (int i = 0; i < indent; i++) {
        out.print("  ");
    }
    out.println("ATTRIBUTES:");
    while (x.hasMoreElements()) {
        for (int i = 0; i < indent; i++) {
            out.print("  ");
        }
        Object attr = x.nextElement();
        out.println(" (" + attr + ", " + a.getAttribute(attr) + ")" + " [" + getShortClassName(attr.getClass())
                + "/" + getShortClassName(a.getAttribute(attr).getClass()) + "] ");
    }

    // Display the text for a leaf element
    if (e.isLeaf()) {
        try {
            String str = doc.getText(startOffset, endOffset - startOffset);
            if (str.length() > 40) {
                str = str.substring(0, 40);
            }
            if (str.length() > 0) {
                for (int i = 0; i < indent; i++) {
                    out.print("  ");
                }
                out.println("[" + str + "]");
            }
        } catch (BadLocationException ex) {
        }
    }

    // Display child elements
    int count = e.getElementCount();
    for (int i = 0; i < count; i++) {
        displayElement(doc, e.getElement(i), indent + 1, out);
    }
}

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From source file:Main.java

private void changeStyle() {
    StyledDocument doc = (StyledDocument) textPane.getDocument();
    int selectionEnd = textPane.getSelectionEnd();
    int selectionStart = textPane.getSelectionStart();
    if (selectionStart == selectionEnd) {
        return;/*from  www  .  j  a  v a  2s .com*/
    }
    Element element = doc.getCharacterElement(selectionStart);
    AttributeSet as = element.getAttributes();

    MutableAttributeSet asNew = new SimpleAttributeSet(as.copyAttributes());
    StyleConstants.setBold(asNew, !StyleConstants.isBold(as));
    doc.setCharacterAttributes(selectionStart, textPane.getSelectedText().length(), asNew, true);
    String text = (StyleConstants.isBold(as) ? "Cancel Bold" : "Bold");
    btnStyle.setText(text);
}

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