diff options
Diffstat (limited to 'libjava/classpath/javax/swing/text/DefaultEditorKit.java')
| -rw-r--r-- | libjava/classpath/javax/swing/text/DefaultEditorKit.java | 1088 |
1 files changed, 690 insertions, 398 deletions
diff --git a/libjava/classpath/javax/swing/text/DefaultEditorKit.java b/libjava/classpath/javax/swing/text/DefaultEditorKit.java index c0056963c78..1b686182b6a 100644 --- a/libjava/classpath/javax/swing/text/DefaultEditorKit.java +++ b/libjava/classpath/javax/swing/text/DefaultEditorKit.java @@ -63,6 +63,663 @@ import javax.swing.Action; */ public class DefaultEditorKit extends EditorKit { + static class SelectionPreviousWordAction + extends TextAction + { + SelectionPreviousWordAction() + { + super(selectionPreviousWordAction); + } + + public void actionPerformed(ActionEvent event) + { + try + { + JTextComponent t = getTextComponent(event); + + if (t != null) + { + int offs = Utilities.getPreviousWord(t, t.getCaretPosition()); + + Caret c = t.getCaret(); + c.moveDot(offs); + c.setMagicCaretPosition(t.modelToView(offs).getLocation()); + } + } + catch(BadLocationException ble) + { + // Can't happen. + } + } + } + + static class SelectionNextWordAction + extends TextAction + { + SelectionNextWordAction() + { + super(selectionNextWordAction); + } + + public void actionPerformed(ActionEvent event) + { + try + { + JTextComponent t = getTextComponent(event); + + if (t != null) + { + int offs = Utilities.getNextWord(t, t.getCaretPosition()); + + Caret c = t.getCaret(); + c.moveDot(offs); + c.setMagicCaretPosition(t.modelToView(offs).getLocation()); + } + } + catch(BadLocationException ble) + { + // Can't happen. + } + } + } + + static class PreviousWordAction + extends TextAction + { + PreviousWordAction() + { + super(previousWordAction); + } + + public void actionPerformed(ActionEvent event) + { + try + { + JTextComponent t = getTextComponent(event); + + if (t != null) + { + int offs = Utilities.getPreviousWord(t, t.getCaretPosition()); + + Caret c = t.getCaret(); + c.setDot(offs); + c.setMagicCaretPosition(t.modelToView(offs).getLocation()); + } + } + catch(BadLocationException ble) + { + // Can't happen. + } + } + } + + static class NextWordAction + extends TextAction + { + NextWordAction() + { + super(nextWordAction); + } + + public void actionPerformed(ActionEvent event) + { + try + { + JTextComponent t = getTextComponent(event); + + if (t != null) + { + int offs = Utilities.getNextWord(t, t.getCaretPosition()); + + Caret c = t.getCaret(); + c.setDot(offs); + c.setMagicCaretPosition(t.modelToView(offs).getLocation()); + } + } + catch(BadLocationException ble) + { + // Can't happen. + } + } + } + + static class SelectAllAction + extends TextAction + { + SelectAllAction() + { + super(selectAllAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + int offs = t.getDocument().getLength(); + Caret c = t.getCaret(); + c.setDot(0); + c.moveDot(offs); + + try + { + c.setMagicCaretPosition(t.modelToView(offs).getLocation()); + } + catch(BadLocationException ble) + { + // Can't happen. + } + } + } + + static class SelectionBeginAction + extends TextAction + { + SelectionBeginAction() + { + super(selectionBeginAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + Caret c = t.getCaret(); + c.moveDot(0); + try + { + c.setMagicCaretPosition(t.modelToView(0).getLocation()); + } + catch(BadLocationException ble) + { + // Can't happen. + } + } + } + + static class SelectionEndAction + extends TextAction + { + SelectionEndAction() + { + super(selectionEndAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + int offs = t.getDocument().getLength(); + Caret c = t.getCaret(); + c.moveDot(offs); + try + { + c.setMagicCaretPosition(t.modelToView(offs).getLocation()); + } + catch(BadLocationException ble) + { + // Can't happen. + } + } + } + + static class SelectionEndLineAction + extends TextAction + { + SelectionEndLineAction() + { + super(selectionEndLineAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + try + { + Point p = t.modelToView(t.getCaret().getDot()).getLocation(); + int cur = t.getCaretPosition(); + int y = p.y; + int length = t.getDocument().getLength(); + while (y == p.y && cur < length) + y = t.modelToView(++cur).getLocation().y; + if (cur != length) + cur--; + + Caret c = t.getCaret(); + c.moveDot(cur); + c.setMagicCaretPosition(t.modelToView(cur).getLocation()); + } + catch (BadLocationException ble) + { + // Nothing to do here + } + } + } + + static class SelectionBeginLineAction + extends TextAction + { + SelectionBeginLineAction() + { + super(selectionBeginLineAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + + try + { + // TODO: There is a more efficent solution, but + // viewToModel doesn't work properly. + Point p = t.modelToView(t.getCaret().getDot()).getLocation(); + + int cur = t.getCaretPosition(); + int y = p.y; + + while (y == p.y && cur > 0) + y = t.modelToView(--cur).getLocation().y; + if (cur != 0) + cur++; + + Caret c = t.getCaret(); + c.moveDot(cur); + c.setMagicCaretPosition(t.modelToView(cur).getLocation()); + } + catch (BadLocationException ble) + { + // Do nothing here. + } + } + } + + static class SelectionDownAction + extends TextAction + { + SelectionDownAction() + { + super(selectionDownAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + try + { + if (t != null) + { + Caret c = t.getCaret(); + // The magic caret position may be null when the caret + // has not moved yet. + Point mcp = c.getMagicCaretPosition(); + int x = (mcp != null) ? mcp.x : 0; + int pos = Utilities.getPositionBelow(t, t.getCaretPosition(), x); + + if (pos > -1) + t.moveCaretPosition(pos); + } + } + catch(BadLocationException ble) + { + // FIXME: Swallowing allowed? + } + } + } + + static class SelectionUpAction + extends TextAction + { + SelectionUpAction() + { + super(selectionUpAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + try + { + if (t != null) + { + Caret c = t.getCaret(); + // The magic caret position may be null when the caret + // has not moved yet. + Point mcp = c.getMagicCaretPosition(); + int x = (mcp != null) ? mcp.x : 0; + int pos = Utilities.getPositionAbove(t, t.getCaretPosition(), x); + + if (pos > -1) + t.moveCaretPosition(pos); + } + } + catch(BadLocationException ble) + { + // FIXME: Swallowing allowed? + } + } + } + + static class SelectionForwardAction + extends TextAction + { + SelectionForwardAction() + { + super(selectionForwardAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + if (t != null) + { + int offs = t.getCaretPosition() + 1; + + if(offs <= t.getDocument().getLength()) + { + Caret c = t.getCaret(); + c.moveDot(offs); + try + { + c.setMagicCaretPosition(t.modelToView(offs).getLocation()); + } + catch(BadLocationException ble) + { + // Can't happen. + } + } + } + } + } + + static class SelectionBackwardAction + extends TextAction + { + SelectionBackwardAction() + { + super(selectionBackwardAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + if (t != null) + { + int offs = t.getCaretPosition() - 1; + + if(offs >= 0) + { + Caret c = t.getCaret(); + c.moveDot(offs); + try + { + c.setMagicCaretPosition(t.modelToView(offs).getLocation()); + } + catch(BadLocationException ble) + { + // Can't happen. + } + } + } + } + } + + static class DownAction + extends TextAction + { + DownAction() + { + super(downAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + try + { + if (t != null) + { + Caret c = t.getCaret(); + // The magic caret position may be null when the caret + // has not moved yet. + Point mcp = c.getMagicCaretPosition(); + int x = (mcp != null) ? mcp.x : 0; + int pos = Utilities.getPositionBelow(t, t.getCaretPosition(), x); + + if (pos > -1) + t.setCaretPosition(pos); + } + } + catch(BadLocationException ble) + { + // FIXME: Swallowing allowed? + } + } + } + + static class UpAction + extends TextAction + { + UpAction() + { + super(upAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + try + { + if (t != null) + { + Caret c = t.getCaret(); + // The magic caret position may be null when the caret + // has not moved yet. + Point mcp = c.getMagicCaretPosition(); + int x = (mcp != null) ? mcp.x : 0; + int pos = Utilities.getPositionAbove(t, t.getCaretPosition(), x); + + if (pos > -1) + t.setCaretPosition(pos); + } + } + catch(BadLocationException ble) + { + // FIXME: Swallowing allowed? + } + } + } + + static class ForwardAction + extends TextAction + { + ForwardAction() + { + super(forwardAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + if (t != null) + { + int offs = t.getCaretPosition() + 1; + if (offs <= t.getDocument().getLength()) + { + Caret c = t.getCaret(); + c.setDot(offs); + + try + { + c.setMagicCaretPosition(t.modelToView(offs).getLocation()); + } + catch (BadLocationException ble) + { + // Should not happen. + } + } + } + + } + } + + static class BackwardAction + extends TextAction + { + BackwardAction() + { + super(backwardAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + if (t != null) + { + int offs = t.getCaretPosition() - 1; + if (offs >= 0) + { + Caret c = t.getCaret(); + c.setDot(offs); + + try + { + c.setMagicCaretPosition(t.modelToView(offs).getLocation()); + } + catch (BadLocationException ble) + { + // Should not happen. + } + } + } + } + } + + static class DeletePrevCharAction + extends TextAction + { + DeletePrevCharAction() + { + super(deletePrevCharAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + if (t != null) + { + try + { + int pos = t.getSelectionStart(); + int len = t.getSelectionEnd() - pos; + + if (len > 0) + t.getDocument().remove(pos, len); + else if (pos > 0) + { + pos--; + t.getDocument().remove(pos, 1); + Caret c = t.getCaret(); + c.setDot(pos); + c.setMagicCaretPosition(t.modelToView(pos).getLocation()); + } + } + catch (BadLocationException e) + { + // FIXME: we're not authorized to throw this.. swallow it? + } + } + } + } + + static class DeleteNextCharAction + extends TextAction + { + DeleteNextCharAction() + { + super(deleteNextCharAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + if (t != null) + { + try + { + int pos = t.getSelectionStart(); + int len = t.getSelectionEnd() - pos; + + if (len > 0) + t.getDocument().remove(pos, len); + else if (pos < t.getDocument().getLength()) + t.getDocument().remove(pos, 1); + + Caret c = t.getCaret(); + c.setDot(pos); + c.setMagicCaretPosition(t.modelToView(pos).getLocation()); + } + catch (BadLocationException e) + { + // FIXME: we're not authorized to throw this.. swallow it? + } + } + } + } + + static class EndLineAction + extends TextAction + { + EndLineAction() + { + super(endLineAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + try + { + int offs = Utilities.getRowEnd(t, t.getCaretPosition()); + + if (offs > -1) + { + Caret c = t.getCaret(); + c.setDot(offs); + c.setMagicCaretPosition(t.modelToView(offs).getLocation()); + } + } + catch (BadLocationException ble) + { + // Nothing to do here + } + } + } + + static class BeginLineAction + extends TextAction + { + BeginLineAction() + { + super(beginLineAction); + } + + public void actionPerformed(ActionEvent event) + { + JTextComponent t = getTextComponent(event); + try + { + int offs = Utilities.getRowStart(t, t.getCaretPosition()); + + if (offs > -1) + { + Caret c = t.getCaret(); + c.setDot(offs); + c.setMagicCaretPosition(t.modelToView(offs).getLocation()); + } + } + catch (BadLocationException ble) + { + // Do nothing here. + } + } + } + /** * Creates a beep on the PC speaker. * @@ -692,6 +1349,7 @@ public class DefaultEditorKit extends EditorKit // to handle this. private static Action[] defaultActions = new Action[] { + // These classes are public because they are so in the RI. new BeepAction(), new CopyAction(), new CutAction(), @@ -700,404 +1358,38 @@ public class DefaultEditorKit extends EditorKit new InsertContentAction(), new InsertTabAction(), new PasteAction(), - new TextAction(beginLineAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - try - { - int offs = Utilities.getRowStart(t, t.getCaretPosition()); - - if (offs > -1) - { - Caret c = t.getCaret(); - c.setDot(offs); - c.setMagicCaretPosition(t.modelToView(offs).getLocation()); - } - } - catch (BadLocationException ble) - { - // Do nothing here. - } - } - }, - new TextAction(endLineAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - try - { - int offs = Utilities.getRowEnd(t, t.getCaretPosition()); - - if (offs > -1) - { - Caret c = t.getCaret(); - c.setDot(offs); - c.setMagicCaretPosition(t.modelToView(offs).getLocation()); - } - } - catch (BadLocationException ble) - { - // Nothing to do here - } - } - }, - new TextAction(deleteNextCharAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - if (t != null) - { - try - { - int pos = t.getSelectionStart(); - int len = t.getSelectionEnd() - pos; - - if (len > 0) - t.getDocument().remove(pos, len); - else if (pos < t.getDocument().getLength()) - t.getDocument().remove(pos, 1); - - Caret c = t.getCaret(); - c.setDot(pos); - c.setMagicCaretPosition(t.modelToView(pos).getLocation()); - } - catch (BadLocationException e) - { - // FIXME: we're not authorized to throw this.. swallow it? - } - } - } - }, - new TextAction(deletePrevCharAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - if (t != null) - { - try - { - int pos = t.getSelectionStart(); - int len = t.getSelectionEnd() - pos; - - if (len > 0) - t.getDocument().remove(pos, len); - else if (pos > 0) - { - pos--; - t.getDocument().remove(pos, 1); - Caret c = t.getCaret(); - c.setDot(pos); - c.setMagicCaretPosition(t.modelToView(pos).getLocation()); - } - } - catch (BadLocationException e) - { - // FIXME: we're not authorized to throw this.. swallow it? - } - } - } - }, - new TextAction(backwardAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - if (t != null) - { - int offs = t.getCaretPosition() - 1; - if (offs >= 0) - { - Caret c = t.getCaret(); - c.setDot(offs); - - try - { - c.setMagicCaretPosition(t.modelToView(offs).getLocation()); - } - catch (BadLocationException ble) - { - // Should not happen. - } - } - } - } - }, - new TextAction(forwardAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - if (t != null) - { - int offs = t.getCaretPosition() + 1; - if (offs <= t.getDocument().getLength()) - { - Caret c = t.getCaret(); - c.setDot(offs); - - try - { - c.setMagicCaretPosition(t.modelToView(offs).getLocation()); - } - catch (BadLocationException ble) - { - // Should not happen. - } - } - } - - } - }, - new TextAction(upAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - try - { - if (t != null) - { - Caret c = t.getCaret(); - // The magic caret position may be null when the caret - // has not moved yet. - Point mcp = c.getMagicCaretPosition(); - int x = (mcp != null) ? mcp.x : 0; - int pos = Utilities.getPositionAbove(t, t.getCaretPosition(), x); - - if (pos > -1) - t.setCaretPosition(pos); - } - } - catch(BadLocationException ble) - { - // FIXME: Swallowing allowed? - } - } - }, - new TextAction(downAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - try - { - if (t != null) - { - Caret c = t.getCaret(); - // The magic caret position may be null when the caret - // has not moved yet. - Point mcp = c.getMagicCaretPosition(); - int x = (mcp != null) ? mcp.x : 0; - int pos = Utilities.getPositionBelow(t, t.getCaretPosition(), x); - - if (pos > -1) - t.setCaretPosition(pos); - } - } - catch(BadLocationException ble) - { - // FIXME: Swallowing allowed? - } - } - }, - new TextAction(selectionBackwardAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - if (t != null) - { - int offs = t.getCaretPosition() - 1; - - if(offs >= 0) - { - Caret c = t.getCaret(); - c.moveDot(offs); - try - { - c.setMagicCaretPosition(t.modelToView(offs).getLocation()); - } - catch(BadLocationException ble) - { - // Can't happen. - } - } - } - } - }, - new TextAction(selectionForwardAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - if (t != null) - { - int offs = t.getCaretPosition() + 1; - - if(offs <= t.getDocument().getLength()) - { - Caret c = t.getCaret(); - c.moveDot(offs); - try - { - c.setMagicCaretPosition(t.modelToView(offs).getLocation()); - } - catch(BadLocationException ble) - { - // Can't happen. - } - } - } - } - }, - new TextAction(selectionUpAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - try - { - if (t != null) - { - Caret c = t.getCaret(); - // The magic caret position may be null when the caret - // has not moved yet. - Point mcp = c.getMagicCaretPosition(); - int x = (mcp != null) ? mcp.x : 0; - int pos = Utilities.getPositionAbove(t, t.getCaretPosition(), x); - - if (pos > -1) - t.moveCaretPosition(pos); - } - } - catch(BadLocationException ble) - { - // FIXME: Swallowing allowed? - } - } - }, - new TextAction(selectionDownAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - try - { - if (t != null) - { - Caret c = t.getCaret(); - // The magic caret position may be null when the caret - // has not moved yet. - Point mcp = c.getMagicCaretPosition(); - int x = (mcp != null) ? mcp.x : 0; - int pos = Utilities.getPositionBelow(t, t.getCaretPosition(), x); - - if (pos > -1) - t.moveCaretPosition(pos); - } - } - catch(BadLocationException ble) - { - // FIXME: Swallowing allowed? - } - } - }, - new TextAction(selectionBeginLineAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - - try - { - // TODO: There is a more efficent solution, but - // viewToModel doesn't work properly. - Point p = t.modelToView(t.getCaret().getDot()).getLocation(); - - int cur = t.getCaretPosition(); - int y = p.y; - - while (y == p.y && cur > 0) - y = t.modelToView(--cur).getLocation().y; - if (cur != 0) - cur++; - - Caret c = t.getCaret(); - c.moveDot(cur); - c.setMagicCaretPosition(t.modelToView(cur).getLocation()); - } - catch (BadLocationException ble) - { - // Do nothing here. - } - } - }, - new TextAction(selectionEndLineAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - try - { - Point p = t.modelToView(t.getCaret().getDot()).getLocation(); - int cur = t.getCaretPosition(); - int y = p.y; - int length = t.getDocument().getLength(); - while (y == p.y && cur < length) - y = t.modelToView(++cur).getLocation().y; - if (cur != length) - cur--; - - Caret c = t.getCaret(); - c.moveDot(cur); - c.setMagicCaretPosition(t.modelToView(cur).getLocation()); - } - catch (BadLocationException ble) - { - // Nothing to do here - } - } - }, - new TextAction(selectionEndAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - int offs = t.getDocument().getLength(); - Caret c = t.getCaret(); - c.moveDot(offs); - try - { - c.setMagicCaretPosition(t.modelToView(offs).getLocation()); - } - catch(BadLocationException ble) - { - // Can't happen. - } - } - }, - new TextAction(selectionBeginAction) - { - public void actionPerformed(ActionEvent event) - { - JTextComponent t = getTextComponent(event); - Caret c = t.getCaret(); - c.moveDot(0); - try - { - c.setMagicCaretPosition(t.modelToView(0).getLocation()); - } - catch(BadLocationException ble) - { - // Can't happen. - } - } - } + + // These are (package-)private inner classes. + new DeleteNextCharAction(), + new DeletePrevCharAction(), + + new BeginLineAction(), + new SelectionBeginLineAction(), + + new EndLineAction(), + new SelectionEndLineAction(), + + new BackwardAction(), + new SelectionBackwardAction(), + + new ForwardAction(), + new SelectionForwardAction(), + + new UpAction(), + new SelectionUpAction(), + + new DownAction(), + new SelectionDownAction(), + + new NextWordAction(), + new SelectionNextWordAction(), + + new PreviousWordAction(), + new SelectionPreviousWordAction(), + + new SelectionBeginAction(), + new SelectionEndAction(), + new SelectAllAction(), }; /** |
