| 1 | // Copyright 2004-2007 Jean-Francois Poilpret |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package net.sourceforge.hivegui.docking; |
| 16 | |
| 17 | import java.awt.Component; |
| 18 | import java.awt.Polygon; |
| 19 | import java.util.Map; |
| 20 | |
| 21 | import org.flexdock.docking.Dockable; |
| 22 | import org.flexdock.docking.DockingPort; |
| 23 | import org.flexdock.docking.drag.effects.DragPreview; |
| 24 | import org.flexdock.docking.drag.preview.GhostPreview; |
| 25 | |
| 26 | import net.sourceforge.hivegui.application.ApplicationContextHolder; |
| 27 | |
| 28 | public class CursorTrackGhostPreview |
| 29 | extends GhostPreview |
| 30 | implements DragPreview |
| 31 | { |
| 32 | public void setContextHolder(ApplicationContextHolder holder) |
| 33 | { |
| 34 | _tracker.setContext(holder.getContext()); |
| 35 | } |
| 36 | |
| 37 | @Override public Polygon createPreviewPolygon( Component dockable, |
| 38 | DockingPort port, |
| 39 | Dockable hover, |
| 40 | String targetRegion, |
| 41 | Component paintingTarget, |
| 42 | Map dragInfo) |
| 43 | { |
| 44 | if (!_tracker.trackCursor(dockable, port, targetRegion, paintingTarget)) |
| 45 | { |
| 46 | return null; |
| 47 | } |
| 48 | else |
| 49 | { |
| 50 | return super.createPreviewPolygon( dockable, |
| 51 | port, |
| 52 | hover, |
| 53 | targetRegion, |
| 54 | paintingTarget, |
| 55 | dragInfo); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | private final CursorTracker _tracker = new CursorTracker(); |
| 60 | } |