001 /*
002 * SPDX-License-Identifier: Apache-2.0
003 *
004 * Copyright 2008-2017 the original author or authors.
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018 package griffon.javafx.editors;
019
020 import griffon.core.editors.AbstractPropertyEditor;
021 import griffon.metadata.PropertyEditorFor;
022 import javafx.geometry.Dimension2D;
023
024 import java.util.List;
025 import java.util.Map;
026
027 import static griffon.util.GriffonNameUtils.isBlank;
028
029 /**
030 * @author Andres Almiray
031 */
032 @PropertyEditorFor(Dimension2D.class)
033 public class Dimension2DPropertyEditor extends AbstractPropertyEditor {
034 @Override
035 public String getAsText() {
036 if (null == getValue()) return null;
037 Dimension2D dimension = (Dimension2D) getValue();
038 return dimension.getWidth() + ", " + dimension.getHeight();
039 }
040
041 @Override
042 protected void setValueInternal(Object value) {
043 if (null == value) {
044 super.setValueInternal(null);
045 } else if (value instanceof CharSequence) {
046 handleAsString(String.valueOf(value));
047 } else if (value instanceof List) {
048 handleAsList((List) value);
049 } else if (value instanceof Map) {
050 handleAsMap((Map) value);
051 } else if (value instanceof Number) {
052 handleAsNumber((Number) value);
053 } else if (value instanceof Dimension2D) {
054 super.setValueInternal(value);
055 } else {
056 throw illegalValue(value, Dimension2D.class);
057 }
058 }
059
060 protected void handleAsString(String str) {
061 if (isBlank(str)) {
062 super.setValueInternal(null);
063 return;
064 }
065
066 String[] parts = str.split(",");
067 switch (parts.length) {
068 case 1:
069 double s = parseValue(parts[0]);
070 super.setValueInternal(new Dimension2D(s, s));
071 break;
072 case 2:
073 double w = parseValue(parts[0]);
074 double h = parseValue(parts[1]);
075 super.setValueInternal(new Dimension2D(w, h));
076 break;
077 default:
078 throw illegalValue(str, Dimension2D.class);
079 }
080 }
081
082 protected void handleAsList(List<?> list) {
083 if (list.isEmpty()) {
084 super.setValueInternal(null);
085 return;
086 }
087
088 switch (list.size()) {
089 case 1:
090 double s = parseValue(list.get(0));
091 super.setValueInternal(new Dimension2D(s, s));
092 break;
093 case 2:
094 double w = parseValue(list.get(0));
095 double h = parseValue(list.get(1));
096 super.setValueInternal(new Dimension2D(w, h));
097 break;
098 default:
099 throw illegalValue(list, Dimension2D.class);
100 }
101 }
102
103 protected void handleAsMap(Map<?, ?> map) {
104 if (map.isEmpty()) {
105 super.setValueInternal(null);
106 return;
107 }
108
109 double w = getMapValue(map, "width", 0);
110 double h = getMapValue(map, "height", 0);
111 super.setValueInternal(new Dimension2D(w, h));
112 }
113
114 protected double parseValue(Object value) {
115 if (value instanceof CharSequence) {
116 return parse(String.valueOf(value));
117 } else if (value instanceof Number) {
118 return parse((Number) value);
119 }
120 throw illegalValue(value, Dimension2D.class);
121 }
122
123 protected double parse(String val) {
124 try {
125 return Double.parseDouble(val.trim());
126 } catch (NumberFormatException e) {
127 throw illegalValue(val, Dimension2D.class, e);
128 }
129 }
130
131 protected double parse(Number val) {
132 return val.doubleValue();
133 }
134
135 protected double getMapValue(Map<?, ?> map, String key, double defaultValue) {
136 Object val = map.get(key);
137 if (null == val) val = map.get(String.valueOf(key.charAt(0)));
138 if (null == val) {
139 return defaultValue;
140 } else if (val instanceof CharSequence) {
141 return parse(String.valueOf(val));
142 } else if (val instanceof Number) {
143 return parse((Number) val);
144 }
145 throw illegalValue(map, Dimension2D.class);
146 }
147
148 protected void handleAsNumber(Number value) {
149 double s = parse(value);
150 super.setValueInternal(new Dimension2D(s, s));
151 }
152 }
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