List of usage examples for javax.swing.text JTextComponent getText
public String getText(int offs, int len) throws BadLocationException
From source file:Main.java
public static void main(String[] argv) throws Exception { JTextComponent c = new JTextArea(); c.getCaretPosition();//from ww w. ja v a 2 s . com if (c.getCaretPosition() < c.getDocument().getLength()) { char ch = c.getText(c.getCaretPosition(), 1).charAt(0); } // Set the caret color c.setCaretColor(Color.red); }
From source file:Main.java
public static void main(String[] argv) throws Exception { JTextComponent c = new JTextArea(); c.getCaretPosition();/*from w ww.j a v a 2 s . c o m*/ if (c.getCaretPosition() < c.getDocument().getLength()) { char ch = c.getText(c.getCaretPosition(), 1).charAt(0); } // Move the caret int newPosition = 0; c.moveCaretPosition(newPosition); }
From source file:Main.java
public void highLight(JTextComponent component, String patteren) { try {// www . jav a 2 s .c om Document doc = component.getDocument(); String text = component.getText(0, doc.getLength()); int pos = component.getCaretPosition(); if (pos == doc.getLength()) { pos = 0; } int index = text.toUpperCase().indexOf(patteren.toUpperCase(), pos); if (index >= 0) { component.setSelectionStart(index); component.setSelectionEnd(index + patteren.length()); component.getCaret().setSelectionVisible(true); } } catch (Exception e) { e.printStackTrace(); } }
From source file:FancyCaret.java
public void paint(Graphics g) { JTextComponent comp = getComponent(); if (comp == null) return;/*from ww w .j ava 2 s . c o m*/ int dot = getDot(); Rectangle r = null; char dotChar; try { r = comp.modelToView(dot); if (r == null) return; dotChar = comp.getText(dot, 1).charAt(0); } catch (BadLocationException e) { return; } if ((x != r.x) || (y != r.y)) { repaint(); x = r.x; y = r.y; height = r.height; } g.setColor(comp.getCaretColor()); g.setXORMode(comp.getBackground()); if (dotChar == '\n') { int diam = r.height; if (isVisible()) g.fillArc(r.x - diam / 2, r.y, diam, diam, 270, 180); // half circle width = diam / 2 + 2; return; } if (dotChar == '\t') try { Rectangle nextr = comp.modelToView(dot + 1); if ((r.y == nextr.y) && (r.x < nextr.x)) { width = nextr.x - r.x; if (isVisible()) g.fillRoundRect(r.x, r.y, width, r.height, 12, 12); return; } else dotChar = ' '; } catch (BadLocationException e) { dotChar = ' '; } width = g.getFontMetrics().charWidth(dotChar); if (isVisible()) g.fillRect(r.x, r.y, width, r.height); }
From source file:net.sf.jabref.gui.AutoCompleteListener.java
protected int findNamePositionStatus(JTextComponent comp) { String upToCaret;/*from w w w. j av a 2 s . c o m*/ try { upToCaret = comp.getText(0, comp.getCaretPosition()); // Clip off evertyhing up to and including the last " and " before: upToCaret = upToCaret.substring(upToCaret.lastIndexOf(" and ") + 1); int commaIndex = upToCaret.indexOf(','); if (commaIndex < 0) { return AutoCompleteListener.ANY_NAME; } else { return AutoCompleteListener.FIRST_NAME; } } catch (BadLocationException ex) { return AutoCompleteListener.ANY_NAME; } }
From source file:net.sf.jabref.gui.autocompleter.AutoCompleteListener.java
private StringBuffer getCurrentWord(JTextComponent comp) { StringBuffer res = new StringBuffer(); String upToCaret;/*from w ww . j ava 2 s .co m*/ try { upToCaret = comp.getText(0, comp.getCaretPosition()); // We now have the text from the start of the field up to the caret position. // In most fields, we are only interested in the currently edited word, so we // seek from the caret backward to the closest space: if (!completer.isSingleUnitField()) { if ((comp.getCaretPosition() < comp.getText().length()) && Character.isWhitespace(comp.getText().charAt(comp.getCaretPosition()))) { // caret is in the middle of the text AND current character is a whitespace // that means: a new word is started and there is no current word return new StringBuffer(); } int piv = upToCaret.length() - 1; while ((piv >= 0) && !Character.isWhitespace(upToCaret.charAt(piv))) { piv--; } // piv points to whitespace char or piv is -1 // copy everything from the next char up to the end of "upToCaret" res.append(upToCaret.substring(piv + 1)); } else { // For fields such as "journal" it is more reasonable to try to complete on the entire // text field content, so we skip the searching and keep the entire part up to the caret: res.append(upToCaret); } LOGGER.debug("AutoCompListener: " + res); } catch (BadLocationException ignore) { // Ignored } return res; }
From source file:net.sf.jabref.gui.AutoCompleteListener.java
private StringBuffer getCurrentWord(JTextComponent comp) { StringBuffer res = new StringBuffer(); String upToCaret;// w w w . j ava 2 s . c om try { upToCaret = comp.getText(0, comp.getCaretPosition()); // We now have the text from the start of the field up to the caret position. // In most fields, we are only interested in the currently edited word, so we // seek from the caret backward to the closest space: if (!completer.isSingleUnitField()) { if ((comp.getCaretPosition() < comp.getText().length()) && Character.isWhitespace(comp.getText().charAt(comp.getCaretPosition()))) { // caret is in the middle of the text AND current character is a whitespace // that means: a new word is started and there is no current word return null; } int piv = upToCaret.length() - 1; while ((piv >= 0) && !Character.isWhitespace(upToCaret.charAt(piv))) { piv--; } // priv points to whitespace char or priv is -1 // copy everything from the next char up to the end of "upToCaret" res.append(upToCaret.substring(piv + 1)); } else { // For fields such as "journal" it is more reasonable to try to complete on the entire // text field content, so we skip the searching and keep the entire part up to the caret: res.append(upToCaret); } //Util.pr("AutoCompListener: "+res.toString()); } catch (BadLocationException ignore) { } return res; }