Example usage for javax.swing.text.html HTMLDocument getCharacterElement

List of usage examples for javax.swing.text.html HTMLDocument getCharacterElement

Introduction

In this page you can find the example usage for javax.swing.text.html HTMLDocument getCharacterElement.

Prototype

public Element getCharacterElement(int pos) 

Source Link

Document

Gets a character element based on a position.

Usage

From source file:Main.java

private Element getHyperlinkElement(MouseEvent event) {
    Point p = event.getPoint();/* w ww . j a va2  s .  c  o m*/
    int selRow = tree.getRowForLocation(p.x, p.y);
    TreeCellRenderer r = tree.getCellRenderer();
    if (selRow == -1 || r == null) {
        return null;
    }
    TreePath path = tree.getPathForRow(selRow);
    Object lastPath = path.getLastPathComponent();
    Component rComponent = r.getTreeCellRendererComponent(tree, lastPath, tree.isRowSelected(selRow),
            tree.isExpanded(selRow), tree.getModel().isLeaf(lastPath), selRow, true);

    if (rComponent instanceof JEditorPane == false) {
        return null;
    }
    Rectangle pathBounds = tree.getPathBounds(path);
    JEditorPane editor = (JEditorPane) rComponent;
    editor.setBounds(tree.getRowBounds(selRow));
    p.translate(-pathBounds.x, -pathBounds.y);
    int pos = editor.getUI().viewToModel(editor, p);
    if (pos >= 0 && editor.getDocument() instanceof HTMLDocument) {
        HTMLDocument hdoc = (HTMLDocument) editor.getDocument();
        Element elem = hdoc.getCharacterElement(pos);
        if (elem.getAttributes().getAttribute(HTML.Tag.A) != null) {
            return elem;
        }
    }
    return null;
}

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

/**
 * Appends the given text to the end of the contained HTML document. This
 * method is used to insert smileys when user selects a smiley from the
 * menu.// www.j a v a  2s. c o m
 *
 * @param text the text to append.
 */
public void appendText(String text) {
    HTMLDocument doc = (HTMLDocument) editorPane.getDocument();

    Element currentElement = doc.getCharacterElement(editorPane.getCaretPosition());

    try {
        doc.insertAfterEnd(currentElement, text);
    } catch (BadLocationException e) {
        logger.error("Insert in the HTMLDocument failed.", e);
    } catch (IOException e) {
        logger.error("Insert in the HTMLDocument failed.", e);
    }

    this.editorPane.setCaretPosition(doc.getLength());
}

From source file:com.hexidec.ekit.action.ListAutomationAction.java

public void actionPerformed(ActionEvent ae) {
    try {//from   w  w w.j  a va 2 s  . c  o  m
        JEditorPane jepEditor = (JEditorPane) (parentEkit.getTextPane());
        String selTextBase = jepEditor.getSelectedText();
        int textLength = -1;
        if (selTextBase != null) {
            textLength = selTextBase.length();
        }
        if (selTextBase == null || textLength < 1) {
            int pos = parentEkit.getCaretPosition();
            parentEkit.setCaretPosition(pos);
            if (ae.getActionCommand() != "newListPoint") {
                if (htmlUtilities.checkParentsTag(HTML.Tag.OL) || htmlUtilities.checkParentsTag(HTML.Tag.UL)) {
                    revertList(htmlUtilities.getListItemContainer());
                    return;
                }
            }
            String sListType = (baseTag == HTML.Tag.OL ? "ol" : "ul");
            StringBuffer sbNew = new StringBuffer();
            if (htmlUtilities.checkParentsTag(baseTag)) {
                sbNew.append("<li></li>");
                insertHTML(parentEkit.getTextPane(), parentEkit.getExtendedHtmlDoc(),
                        parentEkit.getTextPane().getCaretPosition(), sbNew.toString(), 0, 0, HTML.Tag.LI);
            } else {
                boolean isLast = false;
                int caretPos = parentEkit.getCaretPosition();
                if (caretPos == parentEkit.getExtendedHtmlDoc().getLength()) {
                    isLast = true;
                }
                sbNew.append("<" + sListType + "><li></li></" + sListType + ">"
                        + (isLast ? "<p style=\"margin-top: 0\">&nbsp;</p>" : ""));
                insertHTML(parentEkit.getTextPane(), parentEkit.getExtendedHtmlDoc(),
                        parentEkit.getTextPane().getCaretPosition(), sbNew.toString(), 0, 0,
                        (sListType.equals("ol") ? HTML.Tag.OL : HTML.Tag.UL));
                if (true) {
                    parentEkit.setCaretPosition(caretPos + 1);
                }
            }
            parentEkit.refreshOnUpdate();
        } else {
            if (htmlUtilities.checkParentsTag(HTML.Tag.OL) || htmlUtilities.checkParentsTag(HTML.Tag.UL)) {
                revertList(htmlUtilities.getListItemContainer());
                return;
            } else {
                String sListType = (baseTag == HTML.Tag.OL ? "ol" : "ul");
                HTMLDocument htmlDoc = (HTMLDocument) (jepEditor.getDocument());
                int iStart = jepEditor.getSelectionStart();
                int iEnd = jepEditor.getSelectionEnd();
                String selText = htmlDoc.getText(iStart, iEnd - iStart);
                /*
                for(int ch = 0; ch < selText.length(); ch++)
                {
                   Element elem = htmlDoc.getCharacterElement(iStart + ch);
                   log.debug("elem " + ch + ": " + elem.getName());
                   log.debug("char " + ch + ": " + selText.charAt(ch) + " [" + Character.getNumericValue(selText.charAt(ch)) + "]");
                   if(Character.getNumericValue(selText.charAt(ch)) < 0)
                   {
                      log.debug("  is space?    " + ((selText.charAt(ch) == '\u0020') ? "YES" : "---"));
                      log.debug("  is return?   " + ((selText.charAt(ch) == '\r') ? "YES" : "---"));
                      log.debug("  is newline?  " + ((selText.charAt(ch) == '\n') ? "YES" : "---"));
                      log.debug("  is nextline? " + ((selText.charAt(ch) == '\u0085') ? "YES" : "---"));
                      log.debug("  is linesep?  " + ((selText.charAt(ch) == '\u2028') ? "YES" : "---"));
                      log.debug("  is parasep?  " + ((selText.charAt(ch) == '\u2029') ? "YES" : "---"));
                      log.debug("  is verttab?  " + ((selText.charAt(ch) == '\u000B') ? "YES" : "---"));
                      log.debug("  is formfeed? " + ((selText.charAt(ch) == '\u000C') ? "YES" : "---"));
                   }
                }
                */
                StringBuffer sbNew = new StringBuffer();
                sbNew.append("<" + sListType + ">");
                // tokenize on known linebreaks if present, otherwise manually parse on <br> break tags
                if ((selText.indexOf("\r") > -1) || (selText.indexOf("\n") > -1)) {
                    String sToken = ((selText.indexOf("\r") > -1) ? "\r" : "\n");
                    StringTokenizer stTokenizer = new StringTokenizer(selText, sToken);
                    while (stTokenizer.hasMoreTokens()) {
                        sbNew.append("<li>");
                        sbNew.append(stTokenizer.nextToken());
                        sbNew.append("</li>");
                    }
                } else {
                    StringBuffer sbItem = new StringBuffer();
                    for (int ch = 0; ch < selText.length(); ch++) {
                        String elem = (htmlDoc.getCharacterElement(iStart + ch) != null
                                ? htmlDoc.getCharacterElement(iStart + ch).getName().toLowerCase()
                                : "[null]");
                        if (elem.equals("br") && sbItem.length() > 0) {
                            sbNew.append("<li>");
                            sbNew.append(sbItem.toString());
                            sbNew.append("</li>");
                            sbItem.delete(0, sbItem.length());
                        } else {
                            sbItem.append(selText.charAt(ch));
                        }
                    }
                }
                sbNew.append("</" + sListType + ">");
                htmlDoc.remove(iStart, iEnd - iStart);
                insertHTML(jepEditor, htmlDoc, iStart, sbNew.toString(), 1, 1, null);
            }
        }
    } catch (BadLocationException ble) {
    }
}