| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.netbeans.modules.editor.actions; |
| |
| import java.awt.Point; |
| import java.awt.Rectangle; |
| import java.awt.event.ActionEvent; |
| import java.util.ArrayList; |
| import java.util.List; |
| import javax.swing.text.BadLocationException; |
| import javax.swing.text.Caret; |
| import javax.swing.text.JTextComponent; |
| import javax.swing.text.Position; |
| import org.netbeans.api.editor.EditorActionNames; |
| import org.netbeans.api.editor.EditorActionRegistration; |
| import org.netbeans.api.editor.EditorActionRegistrations; |
| import org.netbeans.api.editor.caret.EditorCaret; |
| import org.netbeans.api.editor.caret.CaretMoveContext; |
| import org.netbeans.editor.BaseDocument; |
| import org.netbeans.editor.Utilities; |
| import org.netbeans.spi.editor.AbstractEditorAction; |
| import org.netbeans.spi.editor.caret.CaretMoveHandler; |
| |
| /** |
| * |
| * @author Ralph Ruijs |
| */ |
| @EditorActionRegistrations({ |
| @EditorActionRegistration(name = EditorActionNames.addCaretUp, category = "edit.multicaret"), |
| @EditorActionRegistration(name = EditorActionNames.addCaretDown, category = "edit.multicaret") |
| }) |
| public class AddCaretAction extends AbstractEditorAction { |
| |
| @Override |
| protected void actionPerformed(ActionEvent evt, final JTextComponent target) { |
| if (target != null) { |
| Caret caret = target.getCaret(); |
| if (caret != null && caret instanceof EditorCaret) { |
| final EditorCaret editorCaret = (EditorCaret) caret; |
| final BaseDocument doc = (BaseDocument) target.getDocument(); |
| final boolean upAction = EditorActionNames.addCaretUp.equals(actionName()); |
| doc.runAtomicAsUser(new Runnable() { |
| @Override |
| public void run() { |
| final List<Position> dotAndMarks = new ArrayList<>(editorCaret.getCarets().size() << 1); |
| final List<Position.Bias> dotAndMarkBiases = new ArrayList<>(editorCaret.getCarets().size() << 1); |
| editorCaret.moveCarets(new CaretMoveHandler() { |
| @Override |
| public void moveCarets(CaretMoveContext context) { |
| for (org.netbeans.api.editor.caret.CaretInfo caretInfo : context.getOriginalCarets()) { |
| try { |
| int dot = caretInfo.getDot(); |
| Position.Bias dotBias = caretInfo.getDotBias(); |
| Point p = caretInfo.getMagicCaretPosition(); |
| if (p == null) { |
| Rectangle r = target.getUI().modelToView(target, dot, dotBias); |
| if (r != null) { |
| p = new Point(r.x, r.y); |
| context.setMagicCaretPosition(caretInfo, p); |
| } else { |
| return; // model to view failed |
| } |
| } |
| try { |
| dot = upAction |
| ? Utilities.getPositionAbove(target, dot, p.x) |
| : Utilities.getPositionBelow(target, dot, p.x); |
| // TODO compute proper bias by using getNextVisualPositionFrom() either in target.navifilter or target.ui |
| Position dotPos = doc.createPosition(dot); |
| dotAndMarks.add(dotPos); |
| dotAndMarks.add(dotPos); |
| dotAndMarkBiases.add(dotBias); |
| dotAndMarkBiases.add(dotBias); |
| |
| } catch (BadLocationException e) { |
| // the position stays the same |
| } |
| } catch (BadLocationException ex) { |
| target.getToolkit().beep(); |
| } |
| } |
| } |
| }); |
| |
| editorCaret.addCarets(dotAndMarks, dotAndMarkBiases); |
| } |
| }); |
| } |
| } |
| } |
| |
| } |