Example usage for javax.swing.text Element getElementCount

List of usage examples for javax.swing.text Element getElementCount

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Introduction

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

Prototype

public int getElementCount();

Source Link

Document

Gets the number of child elements contained by this element.

Usage

From source file:EditorPaneExample16.java

public Heading getNextHeading(Document doc, ElementIterator iter) {
    Element elem;

    while ((elem = iter.next()) != null) {
        AttributeSet attrs = elem.getAttributes();
        Object type = attrs.getAttribute(StyleConstants.NameAttribute);
        int level = getHeadingLevel(type);
        if (level > 0) {
            // It is a heading - get the text
            String headingText = "";
            int count = elem.getElementCount();
            for (int i = 0; i < count; i++) {
                Element child = elem.getElement(i);
                AttributeSet cattrs = child.getAttributes();
                if (cattrs.getAttribute(StyleConstants.NameAttribute) == HTML.Tag.CONTENT) {
                    try {
                        int offset = child.getStartOffset();
                        headingText += doc.getText(offset, child.getEndOffset() - offset);
                    } catch (BadLocationException e) {
                    }/* w w  w.j  a  v a2s .c o m*/
                }
            }
            headingText = headingText.trim();
            return new Heading(headingText, level, elem.getStartOffset());
        }
    }
    return null;
}

From source file:com.centurylink.mdw.designer.pages.ExportHelper.java

private List<Object> generateElementChildrenHtml(Element element, int depth, Font font) {
    int n = element.getElementCount();
    List<Object> children = new ArrayList<Object>();
    for (int i = 0; i < n; i++) {
        Element subelem = element.getElement(i);
        Object child = generateElementHtml(subelem, depth, font);
        if (child != null)
            children.add(child);// w  w w  .  j  av  a2s  .c om
    }
    return children;
}

From source file:com.centurylink.mdw.designer.pages.ExportHelper.java

private void printElementChildrenHtml(Element element, Object parent, int depth, Font font, int parent_level) {
    int n = element.getElementCount();
    for (int i = 0; i < n; i++) {
        Element subelem = element.getElement(i);
        printElementHtml(subelem, parent, depth, font, parent_level);
    }/*from  w w w  . j a v  a2 s  .com*/
}

From source file:au.org.ala.delta.ui.rtf.RTFWriter.java

private void writeElement(Element element, int pos, int length) throws BadLocationException, IOException {
    AttributeSet elementAttributes = element.getAttributes();

    writeAttributeChangesAsRTF(elementAttributes);

    if (element.isLeaf()) {
        String plainText = _document.getText(pos, length);
        for (int i = 0; i < plainText.length(); ++i) {
            char ch = plainText.charAt(i);
            if (ch > 127) {
                CharacterKeyword kwd = Keyword.findKeywordForCharacter(ch);
                if (kwd != null) {
                    _writer.write("\\");
                    _writer.write(kwd.getKeyword());
                    _writer.write(" ");
                } else {
                    _writer.write("\\u");
                    _writer.write(Integer.toString(ch));
                    _writer.write("?");
                }/*ww  w .  j  a  v  a 2  s. c o  m*/
            } else {
                if (ch == '\n') {
                    _writer.write("\\par ");
                } else {
                    _writer.write(ch);
                }
            }
        }
    } else {
        for (int i = 0; i < element.getElementCount(); i++) {
            writeElement(element.getElement(i));
        }
    }

}

From source file:net.java.sip.communicator.impl.gui.main.chat.ChatConversationPanel.java

/**
 * Appends the given string at the end of the contained in this panel
 * document./*w  w  w  .  jav a2  s  . co  m*/
 *
 * Note: Currently, it looks like appendMessageToEnd is only called for
 * messages that are already converted to HTML. So It is quite possible that
 * we can remove the content type without any issues.
 *
 * @param original the message string to append
 * @param contentType the message's content type
 */
public void appendMessageToEnd(final String original, final String contentType) {
    if (!SwingUtilities.isEventDispatchThread()) {
        SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                appendMessageToEnd(original, contentType);
            }
        });
        return;
    }

    if (original == null) {
        return;
    }

    final String message;
    if (ChatHtmlUtils.HTML_CONTENT_TYPE.equalsIgnoreCase(contentType)) {
        message = original;
    } else {
        message = StringEscapeUtils.escapeHtml4(original);
    }

    synchronized (scrollToBottomRunnable) {
        Element root = document.getDefaultRootElement();

        try {
            document.insertBeforeEnd(
                    // the body element
                    root.getElement(root.getElementCount() - 1),
                    // the message to insert
                    message);

            // Need to call explicitly scrollToBottom, because for some
            // reason the componentResized event isn't fired every time we
            // add text.
            SwingUtilities.invokeLater(scrollToBottomRunnable);
        } catch (BadLocationException e) {
            logger.error("Insert in the HTMLDocument failed.", e);
        } catch (IOException e) {
            logger.error("Insert in the HTMLDocument failed.", e);
        }
    }

    String lastElemContent = getElementContent(lastMessageUID, message);

    if (lastElemContent != null) {
        finishMessageAdd(lastElemContent);
    }
}

From source file:net.java.sip.communicator.impl.gui.main.chat.ChatConversationPanel.java

/**
 * Finds the first element with <tt>name</tt> among the child elements of
 * <tt>element</tt>.//from  w w w  .ja  va  2  s.  c  o  m
 * @param element the element to searh for.
 * @param name the name to search for.
 * @return the first element with <tt>name</tt>.
 */
private Element findFirstElement(Element element, String name) {
    if (element.getName().equalsIgnoreCase(name))
        return element;

    Element resultElement = null;

    // Count how many messages we have in the document.
    for (int i = 0; i < element.getElementCount(); i++) {
        resultElement = findFirstElement(element.getElement(i), name);

        if (resultElement != null)
            return resultElement;
    }

    return null;
}

From source file:net.java.sip.communicator.impl.gui.main.chat.ChatConversationPanel.java

/**
 *
 * @param element/*from w  ww .j a  va2 s. c o  m*/
 * @param attrName
 * @param matchStrings
 * @return
 */
private Element findFirstElement(Element element, HTML.Attribute attrName, String[] matchStrings) {
    String attr = (String) element.getAttributes().getAttribute(attrName);

    if (attr != null)
        for (String matchString : matchStrings)
            if (attr.startsWith(matchString))
                return element;

    Element resultElement = null;

    // Count how many messages we have in the document.
    for (int i = 0; i < element.getElementCount(); i++) {
        resultElement = findFirstElement(element.getElement(i), attrName, matchStrings);
        if (resultElement != null)
            return resultElement;
    }

    return null;
}

From source file:com.hexidec.ekit.EkitCore.java

/**
 * Traverses nodes for the describing method
 */// w  ww . j a v  a2s.co  m
private void traverseElement(Element element, StringBuilder sb) {
    indent += indentStep;
    for (int i = 0; i < element.getElementCount(); i++) {
        for (int j = 0; j < indent; j++) {
            sb.append(" ");
        }
        sb.append(element.getElement(i));
        traverseElement(element.getElement(i), sb);
    }
    indent -= indentStep;
}

From source file:com.hexidec.ekit.EkitCore.java

public void removeEmptyLists() {
    javax.swing.text.ElementIterator ei = new javax.swing.text.ElementIterator(htmlDoc);
    Element ele;
    while ((ele = ei.next()) != null) {
        if (ele.getName().equals("ul") || ele.getName().equals("ol")) {
            int listChildren = 0;
            for (int i = 0; i < ele.getElementCount(); i++) {
                if (ele.getElement(i).getName().equals("li")) {
                    listChildren++;/*from  w w w.j a  va2 s  .  co m*/
                }
            }
            if (listChildren <= 0) {
                htmlUtilities.removeTag(ele, true);
            }
        }
    }
    refreshOnUpdate();
}

From source file:com.hexidec.ekit.EkitCore.java

private void moveCaretOnTable(Element tdElement, boolean up, boolean selecting) {

    int caretPos = jtpMain.getCaretPosition();

    Element rowElement = tdElement.getParentElement();
    Element tableElement = rowElement.getParentElement();

    int rowIndex = DocumentUtil.getIndexInParent(rowElement);
    if (up) {/*  w ww. j  ava 2 s . c  om*/
        if (rowIndex == 0) {
            moveCaret(Math.max(tableElement.getStartOffset() - 1, 0), selecting);
        } else {
            rowElement = tableElement.getElement(rowIndex - 1);
            int posInCell = caretPos - tdElement.getStartOffset();
            int colIndex = DocumentUtil.getIndexInParent(tdElement);
            tdElement = rowElement.getElement(colIndex);
            moveCaret(
                    tdElement.getStartOffset()
                            + Math.min(posInCell, tdElement.getEndOffset() - tdElement.getStartOffset() - 1),
                    selecting);
        }
    } else { // down
        if (rowIndex >= tableElement.getElementCount() - 1) {
            moveCaret(Math.min(tableElement.getEndOffset(), htmlDoc.getLength() - 1), selecting);
        } else {
            rowElement = tableElement.getElement(rowIndex + 1);
            int posInCell = caretPos - tdElement.getStartOffset();
            int colIndex = DocumentUtil.getIndexInParent(tdElement);
            tdElement = rowElement.getElement(colIndex);
            moveCaret(
                    tdElement.getStartOffset()
                            + Math.min(posInCell, tdElement.getEndOffset() - tdElement.getStartOffset() - 1),
                    selecting);
        }
    }

}