// ------------------------------ public void scrollToCaret() { // not called - fixed with putting visible scrollbars on JScrollPane // Rectangle rect1 = scroller1.getViewport().getViewRect(); double x1 = rect1.getX(); double y1 = rect1.getY(); double r1height = rect1.getHeight(); double r1width = rect1.getWidth(); Caret caret1 = editor1.getCaret(); Point pt2 = caret1.getMagicCaretPosition(); // the end of the string double x2 = pt2.getX(); double y2 = pt2.getY(); if (((x2 > x1) && (x2 < (x1 + r1width))) && ((y2 > y1) && (y2 < (y1 + r1height)))) { // inview } else { double newheight = r1height / 2; double newwidth = r1width / 2; double x3 = pt2.getX() - newwidth; double y3 = pt2.getY() - newheight; if (x3 < 0) x3 = 0; if (y3 < 0) y3 = 0; Rectangle rect3 = new Rectangle((int) x3, (int) y3, (int) newwidth, (int) newheight); editor1.scrollRectToVisible(rect3); } } // end scrollToCaret
public void actionPerformed(JTextComponent text) { indentationLogic = ((EditorPane) text).getIndentationLogic(); StyledDocument doc = (StyledDocument) text.getDocument(); Element map = doc.getDefaultRootElement(); Caret c = text.getCaret(); int dot = c.getDot(); int mark = c.getMark(); int line1 = map.getElementIndex(dot); if (dot != mark) { int line2 = map.getElementIndex(mark); int begin = Math.min(line1, line2); int end = Math.max(line1, line2); Element elem; try { for (line1 = begin; line1 < end; line1++) { elem = map.getElement(line1); handleDecreaseIndent(line1, elem, doc); } elem = map.getElement(end); int start = elem.getStartOffset(); if (Math.max(c.getDot(), c.getMark()) != start) { handleDecreaseIndent(end, elem, doc); } } catch (BadLocationException ble) { Debug.error(me + "Problem while de-indenting line\n%s", ble.getMessage()); UIManager.getLookAndFeel().provideErrorFeedback(text); } } else { Element elem = map.getElement(line1); try { handleDecreaseIndent(line1, elem, doc); } catch (BadLocationException ble) { Debug.error(me + "Problem while de-indenting line\n%s", ble.getMessage()); UIManager.getLookAndFeel().provideErrorFeedback(text); } } }
public void actionPerformed(JTextComponent text) { indentationLogic = ((EditorPane) text).getIndentationLogic(); boolean indentError = false; Document doc = text.getDocument(); Element map = doc.getDefaultRootElement(); String tabWhitespace = PreferencesUser.getInstance().getTabWhitespace(); Caret c = text.getCaret(); int dot = c.getDot(); int mark = c.getMark(); int dotLine = map.getElementIndex(dot); int markLine = map.getElementIndex(mark); if (dotLine != markLine) { int first = Math.min(dotLine, markLine); int last = Math.max(dotLine, markLine); Element elem; int start; try { for (int i = first; i < last; i++) { elem = map.getElement(i); start = elem.getStartOffset(); doc.insertString(start, tabWhitespace, null); } elem = map.getElement(last); start = elem.getStartOffset(); if (Math.max(c.getDot(), c.getMark()) != start) { doc.insertString(start, tabWhitespace, null); } } catch (BadLocationException ble) { Debug.error(me + "Problem while indenting line\n%s", ble.getMessage()); UIManager.getLookAndFeel().provideErrorFeedback(text); } } else { text.replaceSelection(tabWhitespace); } }
public void setCaretPosition(int position) { Caret c = textView.getCaret(); // move the caret c.setDot(position); }
public int getCaretPosition() { Caret c = textView.getCaret(); return c.getDot(); }
@Override public void actionPerformed(ActionEvent e) { JTextComponent textArea = (JTextComponent) e.getSource(); Caret caret = textArea.getCaret(); int dot = caret.getDot(); /* * Move to the beginning/end of selection on a "non-shifted" * left- or right-keypress. We shouldn't have to worry about * navigation filters as, if one is being used, it let us get * to that position before. */ if (!select) { switch (direction) { case SwingConstants.EAST: int mark = caret.getMark(); if (dot != mark) { caret.setDot(Math.max(dot, mark)); return; } break; case SwingConstants.WEST: mark = caret.getMark(); if (dot != mark) { caret.setDot(Math.min(dot, mark)); return; } break; default: } } Position.Bias[] bias = new Position.Bias[1]; Point magicPosition = caret.getMagicCaretPosition(); try { if (magicPosition == null && (direction == SwingConstants.NORTH || direction == SwingConstants.SOUTH)) { Rectangle r = textArea.modelToView(dot); magicPosition = new Point(r.x, r.y); } NavigationFilter filter = textArea.getNavigationFilter(); if (filter != null) { dot = filter.getNextVisualPositionFrom( textArea, dot, Position.Bias.Forward, direction, bias); } else { if (direction == SwingConstants.NORTH || direction == SwingConstants.SOUTH) { dot = getNSVisualPosition((EditorPane) textArea, dot, direction); } else { dot = textArea .getUI() .getNextVisualPositionFrom( textArea, dot, Position.Bias.Forward, direction, bias); } } if (select) { caret.moveDot(dot); } else { caret.setDot(dot); } if (magicPosition != null && (direction == SwingConstants.NORTH || direction == SwingConstants.SOUTH)) { caret.setMagicCaretPosition(magicPosition); } } catch (BadLocationException ble) { Debug.error(me + "Problem while trying to move caret\n%s", ble.getMessage()); } }