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.scene.image.Image;
023 import javafx.scene.image.ImageView;
024
025 import java.io.File;
026 import java.io.InputStream;
027 import java.lang.reflect.Constructor;
028 import java.lang.reflect.InvocationTargetException;
029 import java.net.MalformedURLException;
030 import java.net.URI;
031 import java.net.URL;
032
033 import static griffon.util.GriffonNameUtils.isBlank;
034
035 /**
036 * @author Andres Almiray
037 */
038 @PropertyEditorFor(Image.class)
039 public class ImagePropertyEditor extends AbstractPropertyEditor {
040 @Override
041 protected void setValueInternal(Object value) {
042 if (null == value) {
043 super.setValueInternal(null);
044 } else if (value instanceof CharSequence) {
045 handleAsString(String.valueOf(value));
046 } else if (value instanceof File) {
047 handleAsFile((File) value);
048 } else if (value instanceof URL) {
049 handleAsURL((URL) value);
050 } else if (value instanceof URI) {
051 handleAsURI((URI) value);
052 } else if (value instanceof InputStream) {
053 handleAsInputStream((InputStream) value);
054 } else if (value instanceof Image) {
055 super.setValueInternal(value);
056 } else {
057 throw illegalValue(value, Image.class);
058 }
059 }
060
061 protected void handleAsString(String str) {
062 if (isBlank(str)) {
063 super.setValueInternal(null);
064 } else if (str.contains("|")) {
065 handleAsClassWithArg(str);
066 } else {
067 handleAsURL(getClass().getClassLoader().getResource(str));
068 }
069 }
070
071 protected void handleAsFile(File file) {
072 try {
073 handleAsURL(file.toURI().toURL());
074 } catch (MalformedURLException e) {
075 throw illegalValue(file, URL.class, e);
076 }
077 }
078
079 protected void handleAsURL(URL url) {
080 try {
081 super.setValueInternal(new Image(url.toString()));
082 } catch (Exception e) {
083 throw illegalValue(url, URL.class, e);
084 }
085 }
086
087 protected void handleAsURI(URI uri) {
088 try {
089 handleAsURL(uri.toURL());
090 } catch (MalformedURLException e) {
091 throw illegalValue(uri, URL.class, e);
092 }
093 }
094
095 protected void handleAsInputStream(InputStream stream) {
096 try {
097 super.setValueInternal(new Image(stream));
098 } catch (Exception e) {
099 throw illegalValue(stream, URL.class, e);
100 }
101 }
102
103 protected void handleAsClassWithArg(String str) {
104 String[] args = str.split("\\|");
105 if (args.length == 2) {
106 Class<?> iconClass = null;
107 try {
108 iconClass = ImagePropertyEditor.class.getClassLoader().loadClass(args[0]);
109 } catch (ClassNotFoundException e) {
110 throw illegalValue(str, Image.class, e);
111 }
112
113 Constructor<?> constructor = null;
114 try {
115 constructor = iconClass.getConstructor(String.class);
116 } catch (NoSuchMethodException e) {
117 throw illegalValue(str, Image.class, e);
118 }
119
120 try {
121 Object o = constructor.newInstance(args[1]);
122 if (o instanceof Image) {
123 super.setValueInternal(o);
124 } else if (o instanceof ImageView) {
125 super.setValueInternal(((ImageView) o).getImage());
126 } else {
127 throw illegalValue(str, Image.class);
128 }
129 } catch (InstantiationException | InvocationTargetException | IllegalAccessException e) {
130 throw illegalValue(str, Image.class, e);
131 }
132 } else {
133 throw illegalValue(str, Image.class);
134 }
135 }
136 }
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