| 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.application; |
| 16 | |
| 17 | import java.awt.Cursor; |
| 18 | import java.awt.Dimension; |
| 19 | import java.awt.Point; |
| 20 | import java.awt.Toolkit; |
| 21 | import java.util.HashMap; |
| 22 | import java.util.Map; |
| 23 | import java.util.StringTokenizer; |
| 24 | |
| 25 | import javax.swing.ImageIcon; |
| 26 | |
| 27 | import org.jdesktop.application.ResourceConverter; |
| 28 | import org.jdesktop.application.ResourceMap; |
| 29 | |
| 30 | import net.sourceforge.hivegui.component.CursorInfo; |
| 31 | import net.sourceforge.hivegui.component.Cursors; |
| 32 | |
| 33 | public class CursorInfoConverter extends ResourceConverter |
| 34 | { |
| 35 | public CursorInfoConverter() |
| 36 | { |
| 37 | super(CursorInfo.class); |
| 38 | _iconConverter = forType(ImageIcon.class); |
| 39 | |
| 40 | // Initialize pre-defined cursors first |
| 41 | // Initialize pre-defined cursors first |
| 42 | _cursors.put(Cursors.CROSSHAIR, buildCursor(Cursor.CROSSHAIR_CURSOR)); |
| 43 | _cursors.put(Cursors.HAND, buildCursor(Cursor.HAND_CURSOR)); |
| 44 | _cursors.put(Cursors.TEXT, buildCursor(Cursor.TEXT_CURSOR)); |
| 45 | _cursors.put(Cursors.WAIT, buildCursor(Cursor.WAIT_CURSOR)); |
| 46 | _cursors.put(Cursors.E_RESIZE, buildCursor(Cursor.E_RESIZE_CURSOR)); |
| 47 | _cursors.put(Cursors.W_RESIZE, buildCursor(Cursor.W_RESIZE_CURSOR)); |
| 48 | _cursors.put(Cursors.N_RESIZE, buildCursor(Cursor.N_RESIZE_CURSOR)); |
| 49 | _cursors.put(Cursors.S_RESIZE, buildCursor(Cursor.S_RESIZE_CURSOR)); |
| 50 | _cursors.put(Cursors.NE_RESIZE, buildCursor(Cursor.NE_RESIZE_CURSOR)); |
| 51 | _cursors.put(Cursors.SE_RESIZE, buildCursor(Cursor.SE_RESIZE_CURSOR)); |
| 52 | _cursors.put(Cursors.NW_RESIZE, buildCursor(Cursor.NW_RESIZE_CURSOR)); |
| 53 | _cursors.put(Cursors.SW_RESIZE, buildCursor(Cursor.SW_RESIZE_CURSOR)); |
| 54 | _cursors.put(Cursors.MOVE, buildCursor(Cursor.MOVE_CURSOR)); |
| 55 | _cursors.put(Cursors.DEFAULT, buildCursor(Cursor.DEFAULT_CURSOR)); |
| 56 | } |
| 57 | |
| 58 | private CursorInfo buildCursor(int id) |
| 59 | { |
| 60 | return new CursorInfo(Cursor.getPredefinedCursor(id)); |
| 61 | } |
| 62 | |
| 63 | @Override public Object parseString(String s, ResourceMap r) |
| 64 | throws ResourceConverterException |
| 65 | { |
| 66 | CursorInfo info = _cursors.get(s); |
| 67 | if (info == null) |
| 68 | { |
| 69 | // Split s into: iconfile, hotspotx, hotspoty |
| 70 | StringTokenizer tokenize = new StringTokenizer(s, ","); |
| 71 | if (tokenize.countTokens() != 0 && tokenize.countTokens() != MAX_TOKENS) |
| 72 | { |
| 73 | throw new ResourceConverterException( |
| 74 | "Bad format, expected: \"icon[,hotspotx[,hotspoty]]", s); |
| 75 | } |
| 76 | ImageIcon icon = (ImageIcon) _iconConverter.parseString(tokenize.nextToken(), r); |
| 77 | double x = getHotspotRate(tokenize); |
| 78 | double y = getHotspotRate(tokenize); |
| 79 | |
| 80 | Toolkit kit = Toolkit.getDefaultToolkit(); |
| 81 | Dimension dim = kit.getBestCursorSize(icon.getIconWidth(), icon.getIconHeight()); |
| 82 | Point hotspot = new Point((int) (x * dim.width), (int) (y * dim.height)); |
| 83 | info = new CursorInfo(icon, hotspot, dim); |
| 84 | _cursors.put(s, info); |
| 85 | } |
| 86 | return info; |
| 87 | } |
| 88 | |
| 89 | static private double getHotspotRate(StringTokenizer token) |
| 90 | { |
| 91 | if (!token.hasMoreTokens()) |
| 92 | { |
| 93 | return MEAN_COORDINATE; |
| 94 | } |
| 95 | try |
| 96 | { |
| 97 | double coord = Double.parseDouble(token.nextToken()); |
| 98 | if (coord >= 1.0) |
| 99 | { |
| 100 | coord = MAX_COORDINATE; |
| 101 | } |
| 102 | else if (coord < 0.0) |
| 103 | { |
| 104 | coord = MEAN_COORDINATE; |
| 105 | } |
| 106 | return coord; |
| 107 | } |
| 108 | catch (NumberFormatException e) |
| 109 | { |
| 110 | return MEAN_COORDINATE; |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | static private final int MAX_TOKENS = 3; |
| 115 | static private final double MAX_COORDINATE = 0.99; |
| 116 | static private final double MEAN_COORDINATE = 0.5; |
| 117 | |
| 118 | private final ResourceConverter _iconConverter; |
| 119 | private final Map<String, CursorInfo> _cursors = new HashMap<String, CursorInfo>(); |
| 120 | } |