001 /*
002 * Copyright 2008-2015 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016 package griffon.javafx.editors;
017
018 import griffon.core.editors.AbstractPropertyEditor;
019 import griffon.core.formatters.Formatter;
020 import griffon.core.formatters.ParseException;
021 import griffon.javafx.formatters.ColorFormatter;
022 import griffon.metadata.PropertyEditorFor;
023 import javafx.scene.paint.Color;
024
025 import java.util.ArrayList;
026 import java.util.List;
027 import java.util.Map;
028
029 import static griffon.util.GriffonNameUtils.isBlank;
030
031
032 /**
033 * @author Andres Almiray
034 */
035 @PropertyEditorFor(Color.class)
036 public class ColorPropertyEditor extends AbstractPropertyEditor {
037 public static String format(Color color) {
038 return ColorFormatter.LONG.format(color);
039 }
040
041 @Override
042 public String getAsText() {
043 if (null == getValue()) return null;
044 return isBlank(getFormat()) ? format((Color) getValueInternal()) : getFormattedValue();
045 }
046
047 protected void setValueInternal(Object value) {
048 if (null == value) {
049 super.setValueInternal(null);
050 } else if (value instanceof CharSequence) {
051 handleAsString(String.valueOf(value).trim());
052 } else if (value instanceof List) {
053 handleAsList((List) value);
054 } else if (value instanceof Map) {
055 handleAsMap((Map) value);
056 } else if (value instanceof Number) {
057 handleAsNumber((Number) value);
058 } else if (value instanceof Color) {
059 super.setValueInternal(value);
060 } else {
061 throw illegalValue(value, Color.class);
062 }
063 }
064
065 @Override
066 protected Formatter<Color> resolveFormatter() {
067 return !isBlank(getFormat()) ? ColorFormatter.getInstance(getFormat()) : null;
068 }
069
070 private void handleAsString(String str) {
071 if (isBlank(str)) {
072 super.setValueInternal(null);
073 return;
074 }
075 try {
076 super.setValueInternal(ColorFormatter.parseColor(str));
077 } catch (ParseException e) {
078 throw illegalValue(str, Color.class, e);
079 }
080 }
081
082 private void handleAsList(List<?> list) {
083 if (list.isEmpty()) {
084 super.setValueInternal(null);
085 return;
086 }
087
088 List<Object> values = new ArrayList<>();
089 values.addAll(list);
090 switch (list.size()) {
091 case 3:
092 values.add(1d);
093 break;
094 case 4:
095 // ok
096 break;
097 default:
098 throw illegalValue(list, Color.class);
099 }
100 for (int i = 0, valuesSize = values.size(); i < valuesSize; i++) {
101 Object val = values.get(i);
102 if (val instanceof Number) {
103 values.set(i, parse((Number) val));
104 } else if (val instanceof CharSequence) {
105 values.set(i, parse(String.valueOf(val)));
106 } else {
107 throw illegalValue(list, Color.class);
108 }
109 }
110 super.setValueInternal(
111 new Color(
112 (Double) values.get(0),
113 (Double) values.get(1),
114 (Double) values.get(2),
115 (Double) values.get(3)
116 )
117 );
118 }
119
120 private void handleAsMap(Map<?, ?> map) {
121 if (map.isEmpty()) {
122 super.setValueInternal(null);
123 return;
124 }
125
126 double r = getMapValue(map, "red", 0d);
127 double g = getMapValue(map, "green", 0d);
128 double b = getMapValue(map, "blue", 0d);
129 double a = getMapValue(map, "alpha", 1d);
130 super.setValueInternal(new Color(r, g, b, a));
131 }
132
133 private double parse(String val) {
134 try {
135 return (Integer.parseInt(String.valueOf(val).trim(), 16) & 0xFF) / 255d;
136 } catch (NumberFormatException e) {
137 throw illegalValue(val, Color.class, e);
138 }
139 }
140
141 private double parse(Number val) {
142 return val.doubleValue();
143 }
144
145 private double getMapValue(Map<?, ?> map, String key, double defaultValue) {
146 Object val = map.get(key);
147 if (null == val) val = map.get(String.valueOf(key.charAt(0)));
148 if (null == val) {
149 return defaultValue;
150 } else if (val instanceof CharSequence) {
151 return parse(String.valueOf(val));
152 } else if (val instanceof Number) {
153 return parse((Number) val);
154 }
155 throw illegalValue(map, Color.class);
156 }
157
158 private void handleAsNumber(Number value) {
159 double c = parse(value);
160 super.setValueInternal(new Color(c, c, c, 1d));
161 }
162 }
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