001 /*
002 * Copyright 2008-2014 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.metadata.PropertyEditorFor;
020 import javafx.geometry.Point2D;
021
022 import java.util.List;
023 import java.util.Map;
024
025 import static griffon.util.GriffonNameUtils.isBlank;
026
027 /**
028 * @author Andres Almiray
029 */
030 @PropertyEditorFor(Point2D.class)
031 public class Point2DPropertyEditor extends AbstractPropertyEditor {
032 public String getAsText() {
033 if (null == getValue()) return null;
034 Point2D p = (Point2D) getValue();
035 return p.getX() + ", " + p.getY();
036 }
037
038 protected void setValueInternal(Object value) {
039 if (null == value) {
040 super.setValueInternal(null);
041 } else if (value instanceof CharSequence) {
042 handleAsString(String.valueOf(value));
043 } else if (value instanceof List) {
044 handleAsList((List) value);
045 } else if (value instanceof Map) {
046 handleAsMap((Map) value);
047 } else if (value instanceof Number) {
048 handleAsNumber((Number) value);
049 } else if (value instanceof Point2D) {
050 super.setValueInternal(value);
051 } else {
052 throw illegalValue(value, Point2D.class);
053 }
054 }
055
056 private void handleAsString(String str) {
057 if (isBlank(str)) {
058 super.setValueInternal(null);
059 return;
060 }
061
062 String[] parts = str.split(",");
063 switch (parts.length) {
064 case 1:
065 double s = parseValue(parts[0]);
066 super.setValueInternal(new Point2D(s, s));
067 break;
068 case 2:
069 double x = parseValue(parts[0]);
070 double y = parseValue(parts[1]);
071 super.setValueInternal(new Point2D(x, y));
072 break;
073 default:
074 throw illegalValue(str, Point2D.class);
075 }
076 }
077
078 private void handleAsList(List<?> list) {
079 if (list.isEmpty()) {
080 super.setValueInternal(null);
081 return;
082 }
083
084 switch (list.size()) {
085 case 1:
086 double s = parseValue(list.get(0));
087 super.setValueInternal(new Point2D(s, s));
088 break;
089 case 2:
090 double x = parseValue(list.get(0));
091 double y = parseValue(list.get(1));
092 super.setValueInternal(new Point2D(x, y));
093 break;
094 default:
095 throw illegalValue(list, Point2D.class);
096 }
097 }
098
099 private void handleAsMap(Map<?, ?> map) {
100 if (map.isEmpty()) {
101 super.setValueInternal(null);
102 return;
103 }
104
105 double x = getMapValue(map, "x", 0);
106 double y = getMapValue(map, "y", 0);
107 super.setValueInternal(new Point2D(x, y));
108 }
109
110 private double parseValue(Object value) {
111 if (value instanceof CharSequence) {
112 return parse(String.valueOf(value));
113 } else if (value instanceof Number) {
114 return parse((Number) value);
115 }
116 throw illegalValue(value, Point2D.class);
117 }
118
119 private double parse(String val) {
120 try {
121 return Double.parseDouble(val.trim());
122 } catch (NumberFormatException e) {
123 throw illegalValue(val, Point2D.class, e);
124 }
125 }
126
127 private double parse(Number val) {
128 return val.doubleValue();
129 }
130
131 private double getMapValue(Map<?, ?> map, String key, double defaultValue) {
132 Object val = map.get(key);
133 if (null == val) {
134 return defaultValue;
135 } else if (val instanceof CharSequence) {
136 return parse(String.valueOf(val));
137 } else if (val instanceof Number) {
138 return parse((Number) val);
139 }
140 throw illegalValue(map, Point2D.class);
141 }
142
143 private void handleAsNumber(Number value) {
144 double s = parse(value);
145 super.setValueInternal(new Point2D(s, s));
146 }
147 }
|