Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ColorManager |
|
| 1.8571428571428572;1.857 |
1 | /* | |
2 | * Copyright 2004-2008 the Seasar Foundation and the Others. | |
3 | * | |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, | |
13 | * either express or implied. See the License for the specific language | |
14 | * governing permissions and limitations under the License. | |
15 | */ | |
16 | package org.seasar.eclipse.common.util; | |
17 | ||
18 | import org.eclipse.jface.resource.ColorDescriptor; | |
19 | import org.eclipse.jface.resource.ColorRegistry; | |
20 | import org.eclipse.swt.graphics.Color; | |
21 | import org.eclipse.swt.graphics.RGB; | |
22 | ||
23 | /** | |
24 | * {@link Color} オブジェクトを管理するためのユーティリティクラスです。<br /> | |
25 | * | |
26 | * @author y-komori | |
27 | */ | |
28 | public class ColorManager { | |
29 | 4 | private static ColorRegistry registry = new ColorRegistry(); |
30 | ||
31 | private static final String SHARP = "#"; | |
32 | ||
33 | private static final String ZERO = "0"; | |
34 | ||
35 | 0 | private ColorManager() { |
36 | 0 | } |
37 | ||
38 | /** | |
39 | * カラーを登録します。<br /> | |
40 | * | |
41 | * @param symbolicName | |
42 | * カラー名称 | |
43 | * @param colorData | |
44 | * カラーデータ | |
45 | * @see ColorRegistry#put(String, RGB) | |
46 | */ | |
47 | public static void putColor(final String symbolicName, final RGB colorData) { | |
48 | 76 | registry.put(symbolicName, colorData); |
49 | 76 | } |
50 | ||
51 | /** | |
52 | * カラーを登録します。<br /> | |
53 | * カラー名称は <code>colorData</code> をもとに、<code>#RRGGBB</code> となります。<br /> | |
54 | * | |
55 | * @param colorData | |
56 | * カラーデータ | |
57 | * @see ColorRegistry#put(String, RGB) | |
58 | */ | |
59 | public static void putColor(final RGB colorData) { | |
60 | 0 | StringBuffer symbolicName = new StringBuffer(7); |
61 | 0 | symbolicName.append(SHARP).append(toFixedHexString(colorData.red)) |
62 | .append(toFixedHexString(colorData.green)).append( | |
63 | toFixedHexString(colorData.blue)); | |
64 | 0 | putColor(symbolicName.toString(), colorData); |
65 | 0 | } |
66 | ||
67 | private static String toFixedHexString(final int value) { | |
68 | 0 | return (value < 0x10) ? ZERO + Integer.toHexString(value) : Integer |
69 | .toHexString(value); | |
70 | } | |
71 | ||
72 | /** | |
73 | * 指定された名称の {@link Color} オブジェクトを返します。<br /> | |
74 | * | |
75 | * @param symbolicName | |
76 | * カラー名称 | |
77 | * @return {@link Color} オブジェクト | |
78 | * @see ColorRegistry#get(String) | |
79 | */ | |
80 | public static Color getColor(final String symbolicName) { | |
81 | 160 | Color color = registry.get(symbolicName); |
82 | 160 | if (color == null) { |
83 | 76 | String symbol = putColorByColorText(symbolicName); |
84 | 76 | if (symbol != null) { |
85 | 20 | color = registry.get(symbol); |
86 | } | |
87 | } | |
88 | 160 | return color; |
89 | } | |
90 | ||
91 | /** | |
92 | * 指定された名称の {@link ColorDescriptor} オブジェクトを返します。<br /> | |
93 | * | |
94 | * @param symbolicName | |
95 | * カラー名称 | |
96 | * @return {@link ColorDescriptor} オブジェクト | |
97 | * @see ColorRegistry#getColorDescriptor(String) | |
98 | */ | |
99 | public static ColorDescriptor getColorDescriptor(final String symbolicName) { | |
100 | 0 | ColorDescriptor color = registry.getColorDescriptor(symbolicName); |
101 | 0 | if (color == null) { |
102 | 0 | String symbol = putColorByColorText(symbolicName); |
103 | 0 | if (symbol != null) { |
104 | 0 | color = registry.getColorDescriptor(symbol); |
105 | } | |
106 | } | |
107 | 0 | return color; |
108 | } | |
109 | ||
110 | /** | |
111 | * <code>#RRGGBB</code> 形式のテキストを元にカラーを登録します。<br /> | |
112 | * 登録時のカラー名称は、<code>#RRGGBB</code> (ただし、<code>RRGGBB</code> | |
113 | * の部分は大文字に変換される)となります。 | |
114 | * | |
115 | * @param colorText | |
116 | * <code>#RRGGBB</code> 形式のテキスト | |
117 | * @return 登録したカラー名称 | |
118 | */ | |
119 | public static String putColorByColorText(final String colorText) { | |
120 | 76 | if (colorText.startsWith(SHARP) && colorText.length() == 7) { |
121 | 20 | int red = Integer.parseInt(colorText.substring(1, 3), 16); |
122 | 20 | int green = Integer.parseInt(colorText.substring(3, 5), 16); |
123 | 20 | int blue = Integer.parseInt(colorText.substring(5, 7), 16); |
124 | 20 | RGB rgb = new RGB(red, green, blue); |
125 | 20 | String newName = colorText.toUpperCase(); |
126 | 20 | putColor(newName, rgb); |
127 | ||
128 | 20 | return newName; |
129 | } | |
130 | 56 | return null; |
131 | } | |
132 | } |