List of usage examples for javax.swing.text JTextComponent setCaretPosition
@BeanProperty(bound = false, description = "the caret position") public void setCaretPosition(int position)
TextComponent. From source file:net.sf.jabref.gui.autocompleter.AutoCompleteListener.java
/** * Start a new completion attempt (instead of treating a continuation of an existing word or an interrupt of the * current word)/*from w w w. j ava2 s .c om*/ */ private void startCompletion(StringBuffer currentword, KeyEvent e) { JTextComponent comp = (JTextComponent) e.getSource(); List<String> completed = findCompletions(currentword.toString()); String prefix = completer.getPrefix(); String cWord = (prefix != null) && (!prefix.isEmpty()) ? currentword.toString().substring(prefix.length()) : currentword.toString(); LOGGER.debug("StartCompletion currentword: >" + currentword + "'<' prefix: >" + prefix + "'<' cword: >" + cWord + '<'); int no = 0; // We use the first word in the array of completions. if ((completed != null) && (!completed.isEmpty())) { lastShownCompletion = 0; lastCompletions = completed; String sno = completed.get(no); // these two lines obey the user's input //toSetIn = Character.toString(ch); //toSetIn = toSetIn.concat(sno.substring(cWord.length())); // BUT we obey the completion toSetIn = sno.substring(cWord.length() - 1); LOGGER.debug("toSetIn: >" + toSetIn + '<'); StringBuilder alltext = new StringBuilder(comp.getText()); int cp = comp.getCaretPosition(); alltext.insert(cp, toSetIn); comp.setText(alltext.toString()); comp.setCaretPosition(cp); comp.select(cp + 1, (cp + 1 + sno.length()) - cWord.length()); e.consume(); lastCaretPosition = comp.getCaretPosition(); char ch = e.getKeyChar(); LOGGER.debug("Appending >" + ch + '<'); if (cWord.length() <= 1) { lastBeginning = Character.toString(ch); } else { lastBeginning = cWord.substring(0, cWord.length() - 1).concat(Character.toString(ch)); } } }
From source file:net.sf.jabref.gui.AutoCompleteListener.java
/** * Start a new completion attempt// w w w.j a va2 s . c om * (instead of treating a continuation of an existing word or an interrupt of the current word) */ private void startCompletion(StringBuffer currentword, KeyEvent e) { JTextComponent comp = (JTextComponent) e.getSource(); String[] completed = findCompletions(currentword.toString(), comp); String prefix = completer.getPrefix(); String cWord = (prefix != null) && (!prefix.isEmpty()) ? currentword.toString().substring(prefix.length()) : currentword.toString(); LOGGER.debug("StartCompletion currentword: >" + currentword + "'<' prefix: >" + prefix + "'<' cword: >" + cWord + '<'); int no = 0; // We use the first word in the array of completions. if ((completed != null) && (completed.length > 0)) { lastShownCompletion = 0; lastCompletions = completed; String sno = completed[no]; // these two lines obey the user's input //toSetIn = Character.toString(ch); //toSetIn = toSetIn.concat(sno.substring(cWord.length())); // BUT we obey the completion toSetIn = sno.substring(cWord.length() - 1); LOGGER.debug("toSetIn: >" + toSetIn + '<'); StringBuilder alltext = new StringBuilder(comp.getText()); int cp = comp.getCaretPosition(); alltext.insert(cp, toSetIn); comp.setText(alltext.toString()); comp.setCaretPosition(cp); comp.select(cp + 1, (cp + 1 + sno.length()) - cWord.length()); e.consume(); lastCaretPosition = comp.getCaretPosition(); char ch = e.getKeyChar(); LOGGER.debug("Appending >" + ch + '<'); if (cWord.length() <= 1) { lastBeginning = Character.toString(ch); } else { lastBeginning = cWord.substring(0, cWord.length() - 1).concat(Character.toString(ch)); } } }
From source file:net.sf.jabref.gui.AutoCompleteListener.java
/** * If user cancels autocompletion by/* w w w .j ava2s . c om*/ * a) entering another letter than the completed word (and there is no other auto completion) * b) space * the casing of the letters has to be kept * * Global variable "lastBeginning" keeps track of typed letters. * We rely on this variable to reconstruct the text * * @param wordSeperatorTyped indicates whether the user has typed a white space character or a */ private void setUnmodifiedTypedLetters(JTextComponent comp, boolean lastBeginningContainsTypedCharacter, boolean wordSeperatorTyped) { if (lastBeginning == null) { LOGGER.debug("No last beginning found"); // There was no previous input (if the user typed a word, where no autocompletion is available) // Thus, there is nothing to replace return; } LOGGER.debug("lastBeginning: >" + lastBeginning + '<'); if (comp.getSelectedText() == null) { // if there is no selection // the user has typed the complete word, but possibly with a different casing // we need a replacement if (wordSeperatorTyped) { LOGGER.debug("Replacing complete word"); } else { // if user did not press a white space character (space, ...), // then we do not do anything return; } } else { LOGGER.debug("Selected text " + comp.getSelectedText() + " will be removed"); // remove completion suggestion comp.replaceSelection(""); } lastCaretPosition = comp.getCaretPosition(); int endIndex = lastCaretPosition - lastBeginning.length(); if (lastBeginningContainsTypedCharacter) { // the current letter is NOT contained in comp.getText(), but in lastBeginning // thus lastBeginning.length() is one too large endIndex++; } String text = comp.getText(); comp.setText(text.substring(0, endIndex).concat(lastBeginning).concat(text.substring(lastCaretPosition))); if (lastBeginningContainsTypedCharacter) { // the current letter is NOT contained in comp.getText() // Thus, cursor position also did not get updated lastCaretPosition++; } comp.setCaretPosition(lastCaretPosition); lastBeginning = null; }
From source file:edu.ku.brc.ui.tmanfe.SpreadSheet.java
/** * // w w w . j a v a 2 s .c o m */ protected void buildSpreadsheet() { this.setShowGrid(true); int numRows = model.getRowCount(); scrollPane = new JScrollPane(this, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED); setAutoResizeMode(JTable.AUTO_RESIZE_OFF); final SpreadSheet ss = this; JButton cornerBtn = UIHelper.createIconBtn("Blank", IconManager.IconSize.Std16, "SelectAll", new ActionListener() { public void actionPerformed(ActionEvent ae) { ss.selectAll(); } }); cornerBtn.setEnabled(true); scrollPane.setCorner(ScrollPaneConstants.UPPER_LEFT_CORNER, cornerBtn); // Allows row and collumn selections to exit at the same time setCellSelectionEnabled(true); setRowSelectionAllowed(true); setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION); addMouseListener(new MouseAdapter() { /* (non-Javadoc) * @see java.awt.event.MouseAdapter#mousePressed(java.awt.event.MouseEvent) */ @SuppressWarnings("synthetic-access") @Override public void mouseReleased(MouseEvent e) { // XXX For Java 5 Bug prevRowSelInx = getSelectedRow(); prevColSelInx = getSelectedColumn(); if (e.getClickCount() == 2) { int rowIndexStart = getSelectedRow(); int colIndexStart = getSelectedColumn(); ss.editCellAt(rowIndexStart, colIndexStart); if (ss.getEditorComponent() != null && ss.getEditorComponent() instanceof JTextComponent) { ss.getEditorComponent().requestFocus(); final JTextComponent txtComp = (JTextComponent) ss.getEditorComponent(); String txt = txtComp.getText(); FontMetrics fm = txtComp.getFontMetrics(txtComp.getFont()); int x = e.getPoint().x - ss.getEditorComponent().getBounds().x - 1; int prevWidth = 0; for (int i = 0; i < txt.length(); i++) { int width = fm.stringWidth(txt.substring(0, i)); int basePlusHalf = prevWidth + (int) (((width - prevWidth) / 2) + 0.5); //System.out.println(prevWidth + " X[" + x + "] " + width+" ["+txt.substring(0, i)+"] " + i + " " + basePlusHalf); //System.out.println(" X[" + x + "] " + prevWidth + " - "+ basePlusHalf+" - " + width+" ["+txt.substring(0, i)+"] " + i); if (x < width) { // Clearing the selection is needed for Window for some reason final int inx = i + (x <= basePlusHalf ? -1 : 0); SwingUtilities.invokeLater(new Runnable() { @SuppressWarnings("synthetic-access") public void run() { txtComp.setSelectionStart(0); txtComp.setSelectionEnd(0); txtComp.setCaretPosition(inx > 0 ? inx : 0); } }); break; } prevWidth = width; } } } } }); // Create a row-header to display row numbers. // This row-header is made of labels whose Borders, // Foregrounds, Backgrounds, and Fonts must be // the one used for the table column headers. // Also ensure that the row-header labels and the table // rows have the same height. //i have no idea WHY this has to be called. i rearranged //the table and find replace panel, // i started getting an array index out of //bounds on the column header ON MAC ONLY. //tried firing this off, first and it fixed the problem.//meg this.getModel().fireTableStructureChanged(); /* * Create the Row Header Panel */ rowHeaderPanel = new JPanel((LayoutManager) null); if (getColumnModel().getColumnCount() > 0) { TableColumn column = getColumnModel().getColumn(0); TableCellRenderer renderer = getTableHeader().getDefaultRenderer(); if (renderer == null) { renderer = column.getHeaderRenderer(); } Component cellRenderComp = renderer.getTableCellRendererComponent(this, column.getHeaderValue(), false, false, -1, 0); cellFont = cellRenderComp.getFont(); } else { cellFont = (new JLabel()).getFont(); } // Calculate Row Height cellBorder = (Border) UIManager.getDefaults().get("TableHeader.cellBorder"); Insets insets = cellBorder.getBorderInsets(tableHeader); FontMetrics metrics = getFontMetrics(cellFont); rowHeight = insets.bottom + metrics.getHeight() + insets.top; rowLabelWidth = metrics.stringWidth("9999") + insets.right + insets.left; Dimension dim = new Dimension(rowLabelWidth, rowHeight * numRows); rowHeaderPanel.setPreferredSize(dim); // need to call this when no layout manager is used. rhCellMouseAdapter = new RHCellMouseAdapter(this); // Adding the row header labels for (int ii = 0; ii < numRows; ii++) { addRow(ii, ii + 1, false); } JViewport viewPort = new JViewport(); dim.height = rowHeight * numRows; viewPort.setViewSize(dim); viewPort.setView(rowHeaderPanel); scrollPane.setRowHeader(viewPort); // Experimental from the web, but I think it does the trick. addKeyListener(new KeyAdapter() { @Override public void keyPressed(KeyEvent e) { if (!ss.isEditing() && !e.isActionKey() && !e.isControlDown() && !e.isMetaDown() && !e.isAltDown() && e.getKeyCode() != KeyEvent.VK_SHIFT && e.getKeyCode() != KeyEvent.VK_TAB && e.getKeyCode() != KeyEvent.VK_ENTER) { log.error("Grabbed the event as input"); int rowIndexStart = getSelectedRow(); int colIndexStart = getSelectedColumn(); if (rowIndexStart == -1 || colIndexStart == -1) return; ss.editCellAt(rowIndexStart, colIndexStart); Component c = ss.getEditorComponent(); if (c instanceof JTextComponent) ((JTextComponent) c).setText(""); } } }); resizeAndRepaint(); // Taken from a JavaWorld Example (But it works) KeyStroke cut = KeyStroke.getKeyStroke(KeyEvent.VK_X, Toolkit.getDefaultToolkit().getMenuShortcutKeyMask(), false); KeyStroke copy = KeyStroke.getKeyStroke(KeyEvent.VK_C, Toolkit.getDefaultToolkit().getMenuShortcutKeyMask(), false); KeyStroke paste = KeyStroke.getKeyStroke(KeyEvent.VK_V, Toolkit.getDefaultToolkit().getMenuShortcutKeyMask(), false); Action ssAction = new AbstractAction() { @Override public void actionPerformed(ActionEvent e) { SpreadSheet.this.actionPerformed(e); } }; getInputMap().put(cut, "Cut"); getActionMap().put("Cut", ssAction); getInputMap().put(copy, "Copy"); getActionMap().put("Copy", ssAction); getInputMap().put(paste, "Paste"); getActionMap().put("Paste", ssAction); ((JMenuItem) UIRegistry.get(UIRegistry.COPY)).addActionListener(this); ((JMenuItem) UIRegistry.get(UIRegistry.CUT)).addActionListener(this); ((JMenuItem) UIRegistry.get(UIRegistry.PASTE)).addActionListener(this); setSortOrderCycle(SortOrder.ASCENDING, SortOrder.DESCENDING, SortOrder.UNSORTED); }
From source file:com.hexidec.ekit.EkitCore.java
/** * Method for finding (and optionally replacing) a string in the text *///from ww w . j av a 2 s. co m private int findText(String findTerm, String replaceTerm, boolean bCaseSenstive, int iOffset) { JTextComponent jtpFindSource; if (sourceWindowActive || jtpSource.hasFocus()) { jtpFindSource = (JTextComponent) jtpSource; } else { jtpFindSource = (JTextComponent) jtpMain; } int searchPlace = -1; try { Document baseDocument = jtpFindSource.getDocument(); searchPlace = (bCaseSenstive ? baseDocument.getText(0, baseDocument.getLength()).indexOf(findTerm, iOffset) : baseDocument.getText(0, baseDocument.getLength()).toLowerCase() .indexOf(findTerm.toLowerCase(), iOffset)); if (searchPlace > -1) { if (replaceTerm != null) { AttributeSet attribs = null; if (baseDocument instanceof HTMLDocument) { Element element = ((HTMLDocument) baseDocument).getCharacterElement(searchPlace); attribs = element.getAttributes(); } baseDocument.remove(searchPlace, findTerm.length()); baseDocument.insertString(searchPlace, replaceTerm, attribs); jtpFindSource.setCaretPosition(searchPlace + replaceTerm.length()); jtpFindSource.requestFocus(); jtpFindSource.select(searchPlace, searchPlace + replaceTerm.length()); } else { jtpFindSource.setCaretPosition(searchPlace + findTerm.length()); jtpFindSource.requestFocus(); jtpFindSource.select(searchPlace, searchPlace + findTerm.length()); } } } catch (BadLocationException ble) { logException("BadLocationException in actionPerformed method", ble); new SimpleInfoDialog(this.getWindow(), Translatrix.getTranslationString("Error"), true, Translatrix.getTranslationString("ErrorBadLocationException"), SimpleInfoDialog.ERROR); } return searchPlace; }
From source file:org.apache.jmeter.testbeans.gui.ComboStringEditor.java
private void startEditing() { JTextComponent textField = (JTextComponent) combo.getEditor().getEditorComponent(); combo.setEditable(true);// w ww . ja v a2 s . c o m textField.requestFocusInWindow(); String text = translate(initialEditValue); if (text == null) { text = ""; // will revert to last valid value if invalid } combo.setSelectedItem(text); int i = text.indexOf("${}"); if (i != -1) { textField.setCaretPosition(i + 2); } else { textField.selectAll(); } }
From source file:org.executequery.gui.text.TextUtilities.java
public static void selectNone(JTextComponent textComponent) { textComponent.setCaretPosition(0); }
From source file:org.executequery.gui.text.TextUtilities.java
public static void deleteLine(JTextComponent textComponent) { char newLine = '\n'; String _newLine = "\n"; int caretIndex = textComponent.getCaretPosition(); String text = textComponent.getText(); StringBuilder sb = new StringBuilder(text); int endOfLineIndexBefore = -1; int endOfLineIndexAfter = sb.indexOf(_newLine, caretIndex); char[] textChars = text.toCharArray(); for (int i = 0; i < textChars.length; i++) { if (i >= caretIndex) { break; } else {//from w ww . jav a 2 s. c o m if (textChars[i] == newLine) endOfLineIndexBefore = i; } } if (endOfLineIndexBefore == -1) { endOfLineIndexBefore = 0; } if (endOfLineIndexAfter == -1) { sb.delete(endOfLineIndexBefore, sb.length()); } else if (endOfLineIndexBefore == -1) { sb.delete(0, endOfLineIndexAfter + 1); } else if (endOfLineIndexBefore == 0 && endOfLineIndexAfter == 0) { sb.deleteCharAt(0); } else { sb.delete(endOfLineIndexBefore, endOfLineIndexAfter); } textComponent.setText(sb.toString()); if (endOfLineIndexBefore + 1 > sb.length()) { textComponent.setCaretPosition(endOfLineIndexBefore == -1 ? 0 : endOfLineIndexBefore); } else { textComponent.setCaretPosition(endOfLineIndexBefore + 1); } }
From source file:org.executequery.gui.text.TextUtilities.java
public static void deleteWord(JTextComponent textComponent) { char space = ' '; String _space = " "; int caretIndex = textComponent.getCaretPosition(); String text = textComponent.getText(); StringBuilder sb = new StringBuilder(text); int startOfWordIndex = -1; int endOfWordIndex = sb.indexOf(_space, caretIndex); char[] textChars = text.toCharArray(); for (int i = 0; i < textChars.length; i++) { if (i >= caretIndex) { break; }// w w w . j av a 2 s . c o m else { if (textChars[i] == space) startOfWordIndex = i; } } if (endOfWordIndex == -1) return; else if (startOfWordIndex == 0 && endOfWordIndex == 0) return; else if (startOfWordIndex == endOfWordIndex) return; sb.delete(startOfWordIndex + 1, endOfWordIndex); textComponent.setText(sb.toString()); textComponent.setCaretPosition(startOfWordIndex + 1); }
From source file:org.executequery.gui.text.TextUtilities.java
public static void insertFromFile(JTextComponent textComponent) { StringBuffer buf = null;// w w w.j a va 2 s.com String text = null; FileChooserDialog fileChooser = new FileChooserDialog(); fileChooser.setDialogTitle("Insert from file"); fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY); fileChooser.setDialogType(JFileChooser.OPEN_DIALOG); int result = fileChooser.showDialog(GUIUtilities.getInFocusDialogOrWindow(), "Insert"); if (result == JFileChooser.CANCEL_OPTION) return; File file = fileChooser.getSelectedFile(); try { FileInputStream input = new FileInputStream(file); BufferedReader reader = new BufferedReader(new InputStreamReader(input)); buf = new StringBuffer(10000); char newLine = '\n'; while ((text = reader.readLine()) != null) buf.append(text).append(newLine); reader.close(); reader = null; input.close(); input = null; int index = textComponent.getCaretPosition(); StringBuffer sb = new StringBuffer(textComponent.getText()); sb.insert(index, buf.toString()); textComponent.setText(sb.toString()); textComponent.setCaretPosition(index + buf.length()); } catch (OutOfMemoryError e) { buf = null; text = null; System.gc(); GUIUtilities.displayErrorMessage("Out of Memory.\nThe file is " + "too large to\nopen for viewing."); } catch (IOException e) { e.printStackTrace(); StringBuffer sb = new StringBuffer(); sb.append("An error occurred opening the selected file.").append("\n\nThe system returned:\n") .append(e.getMessage()); GUIUtilities.displayExceptionErrorDialog(sb.toString(), e); } }