Example usage for javax.swing.text Utilities getRowStart

Introduction

In this page you can find the example usage for javax.swing.text Utilities getRowStart.

Prototype

@SuppressWarnings("deprecation")
public static final int getRowStart(JTextComponent c, int offs) throws BadLocationException 

Source Link

Document

Determines the starting row model position of the row that contains the specified model position.

Usage

From source file:Main.java

public static int getColumn(int pos, JTextComponent editor) {
    try {/*from  ww w.j  a  va 2s  .  c o m*/
        return pos - Utilities.getRowStart(editor, pos) + 1;
    } catch (BadLocationException e) {
        e.printStackTrace();
    }
    return -1;
}

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From source file:Main.java

public static int getRow(int pos, JTextComponent editor) throws BadLocationException {
    int rn = (pos == 0) ? 1 : 0;
    int offs = pos;
    while (offs > 0) {
        offs = Utilities.getRowStart(editor, offs) - 1;
        rn++;/* w  w  w  .  jav a 2s.  com*/
    }
    return rn;
}

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From source file:Main.java

public static int getColumn(JTextComponent editor, int pos) {
    try {/*from ww w.j av a  2  s .c o m*/
        return pos - Utilities.getRowStart(editor, pos) + 1;
    } catch (BadLocationException e) {
        e.printStackTrace();
    }
    return -1;
}

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From source file:Main.java

public static int getRow(JTextComponent editor, int pos) {
    int rn = (pos == 0) ? 1 : 0;
    try {/*  w ww  . jav a 2s.c  o m*/
        int offs = pos;
        while (offs > 0) {
            offs = Utilities.getRowStart(editor, offs) - 1;
            rn++;
        }
    } catch (BadLocationException e) {
        e.printStackTrace();
    }
    return rn;
}

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From source file:Main.java

/**
 * Method getCaretCol.//from   w w w. j  a  v a2 s  . c  o  m
 * 
 * @param idx
 * @param comp
 * @return int
 * @throws Exception
 */
public static int getCaretCol(int idx, JTextComponent comp) throws BadLocationException {

    return Math.abs(Utilities.getRowStart(comp, idx) - idx);
}

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From source file:Main.java

private void initComponents() {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTextPane textPane = new JTextPane();
    ((AbstractDocument) textPane.getDocument()).addDocumentListener(new DocumentListener() {
        @Override//w  w  w . jav a2  s . co  m
        public void insertUpdate(final DocumentEvent de) {
            SwingUtilities.invokeLater(new Runnable() {
                public void run() {
                    try {
                        StyledDocument doc = (StyledDocument) de.getDocument();
                        int start = Utilities.getRowStart(textPane, Math.max(0, de.getOffset() - 1));
                        int end = Utilities.getWordStart(textPane, de.getOffset() + de.getLength());

                        String text = doc.getText(start, end - start);

                        for (String emoticon : imageTokens) {
                            int i = text.indexOf(emoticon);
                            while (i >= 0) {
                                final SimpleAttributeSet attrs = new SimpleAttributeSet(
                                        doc.getCharacterElement(start + i).getAttributes());
                                if (StyleConstants.getIcon(attrs) == null) {
                                    switch (emoticon) {
                                    case imageToken:
                                        StyleConstants.setIcon(attrs, anImage);
                                        break;
                                    }
                                    doc.remove(start + i, emoticon.length());
                                    doc.insertString(start + i, emoticon, attrs);
                                }
                                i = text.indexOf(emoticon, i + emoticon.length());
                            }
                        }
                    } catch (BadLocationException ex) {
                        ex.printStackTrace();
                    }
                }
            });
        }

        @Override
        public void removeUpdate(DocumentEvent e) {
        }

        @Override
        public void changedUpdate(DocumentEvent e) {
        }
    });

    JScrollPane scrollPane = new JScrollPane(textPane);
    scrollPane.setPreferredSize(new Dimension(300, 300));
    frame.add(scrollPane);
    frame.pack();
    frame.setVisible(true);
}

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From source file:com.igormaznitsa.sciareto.ui.editors.mmeditors.NoteEditor.java

private static int getRow(final int pos, final JTextComponent editor) {
    int rn = (pos == 0) ? 1 : 0;
    try {// w w w.jav  a2s .  co m
        int offs = pos;
        while (offs > 0) {
            offs = Utilities.getRowStart(editor, offs) - 1;
            rn++;
        }
    } catch (BadLocationException e) {
        LOGGER.error("Bad location", e);
    }
    return rn;
}

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From source file:com.igormaznitsa.sciareto.ui.editors.mmeditors.NoteEditor.java

private static int getColumn(final int pos, final JTextComponent editor) {
    try {//from  w w  w.  java  2s  .  co  m
        return pos - Utilities.getRowStart(editor, pos) + 1;
    } catch (BadLocationException e) {
        LOGGER.error("Bad location", e);
    }
    return -1;
}

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